From 06570ea7ad93cdd659980bdda3485bc29c6ac64a Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Tue, 11 Feb 2020 16:49:45 +0000
Subject: [PATCH] Remove backbuffer comparisons from test suite, simplify
 default triangle

* It's not particularly scalable and can be brittle to driver changes, and we
  can use targeted specific pixel tests to check what we really want - to see if
  the output has rendered correctly.
* Overlay tests still check files directly - this is a future refactor to
  remove.
---
 .../data/D3D11_Overlay_Test/backbuffer.png    | Bin 3851 -> 0 bytes
 .../D3D11_Primitive_Restart/backbuffer.png    | Bin 9693 -> 0 bytes
 .../D3D11_Resource_Lifetimes/backbuffer.png   | Bin 6591 -> 0 bytes
 .../data/D3D11_Simple_Triangle/backbuffer.png | Bin 8545 -> 0 bytes
 .../data/D3D12_Overlay_Test/backbuffer.png    | Bin 3851 -> 0 bytes
 .../D3D12_Resource_Lifetimes/backbuffer.png   | Bin 6591 -> 0 bytes
 .../data/D3D12_Simple_Triangle/backbuffer.png | Bin 8545 -> 0 bytes
 util/test/data/GL_DX_Interop/backbuffer.png   | Bin 1430 -> 0 bytes
 util/test/data/GL_Overlay_Test/backbuffer.png | Bin 3851 -> 0 bytes
 .../data/GL_Resource_Lifetimes/backbuffer.png | Bin 2462 -> 0 bytes
 .../data/GL_Simple_Triangle/backbuffer.png    | Bin 8545 -> 0 bytes
 util/test/data/GL_VAO_0/backbuffer.png        | Bin 4872 -> 0 bytes
 util/test/data/VK_Indirect/backbuffer.png     | Bin 7204 -> 0 bytes
 util/test/data/VK_Int8_IBuffer/backbuffer.png | Bin 9693 -> 0 bytes
 util/test/data/VK_Overlay_Test/backbuffer.png | Bin 3851 -> 0 bytes
 .../data/VK_Resource_Lifetimes/backbuffer.png | Bin 6591 -> 0 bytes
 .../data/VK_Secondary_CmdBuf/backbuffer.png   | Bin 9362 -> 0 bytes
 .../data/VK_Simple_Triangle/backbuffer.png    | Bin 8545 -> 0 bytes
 util/test/demos/d3d11/d3d11_1_many_uavs.cpp   |   2 +-
 .../demos/d3d11/d3d11_array_interpolator.cpp  |   2 +-
 .../d3d11/d3d11_byte_address_buffers.cpp      |   2 +-
 util/test/demos/d3d11/d3d11_cbuffer_zoo.cpp   |   2 +-
 .../demos/d3d11/d3d11_counter_query_pred.cpp  |   2 +-
 util/test/demos/d3d11/d3d11_deferred_map.cpp  |   2 +-
 .../d3d11_deferred_updatesubresource.cpp      |   2 +-
 .../demos/d3d11/d3d11_divergent_shader.cpp    |   2 +-
 util/test/demos/d3d11/d3d11_draw_zoo.cpp      |   2 +-
 .../d3d11/d3d11_empty_compute_dispatch.cpp    |   2 +-
 .../test/demos/d3d11/d3d11_empty_drawcall.cpp |   2 +-
 .../demos/d3d11/d3d11_empty_viewports.cpp     |   2 +-
 util/test/demos/d3d11/d3d11_many_rtvs.cpp     |   2 +-
 util/test/demos/d3d11/d3d11_map_overrun.cpp   |   2 +-
 util/test/demos/d3d11/d3d11_mesh_zoo.cpp      |   2 +-
 .../demos/d3d11/d3d11_midframe_create.cpp     |   2 +-
 util/test/demos/d3d11/d3d11_mip_gen_rt.cpp    |   4 +-
 util/test/demos/d3d11/d3d11_mip_rtv.cpp       |   4 +-
 .../demos/d3d11/d3d11_overdraw_stress.cpp     |   2 +-
 util/test/demos/d3d11/d3d11_overlay_test.cpp  |   2 +-
 .../demos/d3d11/d3d11_primitive_restart.cpp   |  28 +++----
 .../test/demos/d3d11/d3d11_refcount_check.cpp |   2 +-
 .../demos/d3d11/d3d11_resource_lifetimes.cpp  |  31 ++++++--
 util/test/demos/d3d11/d3d11_saturate.cpp      |   6 +-
 .../demos/d3d11/d3d11_shader_debug_zoo.cpp    |   4 +-
 .../test/demos/d3d11/d3d11_shader_editing.cpp |   4 +-
 util/test/demos/d3d11/d3d11_shader_isa.cpp    |   4 +-
 .../demos/d3d11/d3d11_simple_dispatch.cpp     |   2 +-
 .../demos/d3d11/d3d11_simple_triangle.cpp     |   4 +-
 util/test/demos/d3d11/d3d11_stream_out.cpp    |   6 +-
 .../demos/d3d11/d3d11_stripped_shaders.cpp    |   2 +-
 ...d11_structured_buffer_misaligned_dirty.cpp |   2 +-
 .../d3d11/d3d11_structured_buffer_nested.cpp  |   2 +-
 .../d3d11/d3d11_structured_buffer_read.cpp    |   2 +-
 util/test/demos/d3d11/d3d11_texture_3d.cpp    |   2 +-
 util/test/demos/d3d11/d3d11_texture_zoo.cpp   |   2 +-
 .../d3d11_untyped_backbuffer_descriptor.cpp   |   2 +-
 .../demos/d3d11/d3d11_vertex_attr_zoo.cpp     |   2 +-
 .../test/demos/d3d11/d3d11_video_textures.cpp |   2 +-
 util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp   |   4 +-
 util/test/demos/d3d12/d3d12_mesh_zoo.cpp      |   2 +-
 util/test/demos/d3d12/d3d12_overlay_test.cpp  |   2 +-
 .../demos/d3d12/d3d12_resource_lifetimes.cpp  |  28 +++++--
 .../demos/d3d12/d3d12_shader_debug_zoo.cpp    |   4 +-
 .../test/demos/d3d12/d3d12_shader_editing.cpp |   4 +-
 util/test/demos/d3d12/d3d12_shader_isa.cpp    |   4 +-
 .../demos/d3d12/d3d12_simple_triangle.cpp     |   4 +-
 util/test/demos/d3d12/d3d12_test.cpp          |   3 +
 util/test/demos/d3d12/d3d12_texture_zoo.cpp   |   4 +-
 .../d3d12_untyped_backbuffer_descriptor.cpp   |   2 +-
 .../demos/d3d12/d3d12_vertex_attr_zoo.cpp     |   2 +-
 .../test/demos/d3d12/d3d12_video_textures.cpp |   2 +-
 .../demos/d3d12/d3d12_write_subresource.cpp   |   2 +-
 util/test/demos/gl/gl_buffer_spam.cpp         |   2 +-
 util/test/demos/gl/gl_buffer_updates.cpp      |   2 +-
 util/test/demos/gl/gl_callstacks.cpp          |   2 +-
 util/test/demos/gl/gl_cbuffer_zoo.cpp         |   2 +-
 util/test/demos/gl/gl_depthstencil_fbo.cpp    |   2 +-
 util/test/demos/gl/gl_dx_interop.cpp          |  10 +--
 util/test/demos/gl/gl_entry_points.cpp        |   2 +-
 util/test/demos/gl/gl_large_bcn_arrays.cpp    |   2 +-
 util/test/demos/gl/gl_map_overrun.cpp         |   2 +-
 util/test/demos/gl/gl_mesh_zoo.cpp            |   2 +-
 .../demos/gl/gl_midframe_context_create.cpp   |   2 +-
 util/test/demos/gl/gl_mip_gen_rt.cpp          |   2 +-
 util/test/demos/gl/gl_multi_window.cpp        |   2 +-
 util/test/demos/gl/gl_overlay_test.cpp        |   2 +-
 util/test/demos/gl/gl_per_type_tex_units.cpp  |   2 +-
 util/test/demos/gl/gl_resource_lifetimes.cpp  |  13 ++--
 .../demos/gl/gl_runtime_bind_prog_to_pipe.cpp |   2 +-
 .../demos/gl/gl_separable_geometry_shader.cpp |   2 +-
 util/test/demos/gl/gl_shader_editing.cpp      |   2 +-
 util/test/demos/gl/gl_shader_isa.cpp          |   2 +-
 util/test/demos/gl/gl_simple_triangle.cpp     |   2 +-
 util/test/demos/gl/gl_spirv_shader.cpp        |   2 +-
 .../demos/gl/gl_structured_buffer_nested.cpp  |   2 +-
 util/test/demos/gl/gl_texture_zoo.cpp         |   2 +-
 .../demos/gl/gl_unsized_ms_fbo_attachment.cpp |   2 +-
 util/test/demos/gl/gl_vao_0.cpp               |   2 +-
 util/test/demos/gl/gl_vertex_attr_zoo.cpp     |   2 +-
 util/test/demos/test_common.cpp               |   4 +-
 util/test/demos/vk/vk_adv_cbuffer_zoo.cpp     |   2 +-
 util/test/demos/vk/vk_cbuffer_zoo.cpp         |   2 +-
 util/test/demos/vk/vk_descriptor_index.cpp    |   2 +-
 util/test/demos/vk/vk_discard_rects.cpp       |   2 +-
 util/test/demos/vk/vk_draw_zoo.cpp            |   2 +-
 util/test/demos/vk/vk_ext_buffer_address.cpp  |   2 +-
 util/test/demos/vk/vk_image_layouts.cpp       |   2 +-
 .../demos/vk/vk_imageless_framebuffer.cpp     |   2 +-
 util/test/demos/vk/vk_indirect.cpp            |  50 ++++++------
 util/test/demos/vk/vk_int8_ibuffer.cpp        |  26 +++----
 util/test/demos/vk/vk_khr_buffer_address.cpp  |   2 +-
 util/test/demos/vk/vk_line_raster.cpp         |   2 +-
 util/test/demos/vk/vk_mesh_zoo.cpp            |   2 +-
 util/test/demos/vk/vk_misaligned_dirty.cpp    |   2 +-
 .../test/demos/vk/vk_multi_thread_windows.cpp |   2 +-
 util/test/demos/vk/vk_overlay_test.cpp        |   2 +-
 util/test/demos/vk/vk_parameter_zoo.cpp       |   4 +-
 util/test/demos/vk/vk_resource_lifetimes.cpp  |  72 +++++++++++-------
 util/test/demos/vk/vk_sample_locations.cpp    |   2 +-
 util/test/demos/vk/vk_secondary_cmdbuf.cpp    |  14 ++--
 util/test/demos/vk/vk_shader_editing.cpp      |   2 +-
 util/test/demos/vk/vk_shader_isa.cpp          |   4 +-
 util/test/demos/vk/vk_simple_triangle.cpp     |   4 +-
 util/test/demos/vk/vk_spec_constants.cpp      |   2 +-
 util/test/demos/vk/vk_spirv_13_shaders.cpp    |   2 +-
 .../demos/vk/vk_structured_buffer_nested.cpp  |   2 +-
 util/test/demos/vk/vk_texture_zoo.cpp         |   2 +-
 util/test/demos/vk/vk_triangle_fan.cpp        |   2 +-
 util/test/demos/vk/vk_truncated_cbuffer.cpp   |   2 +-
 util/test/demos/vk/vk_vertex_attr_zoo.cpp     |   2 +-
 util/test/demos/vk/vk_video_textures.cpp      |   2 +-
 util/test/demos/vk/vk_vs_max_desc_set.cpp     |   2 +-
 util/test/rdtest/testcase.py                  |  39 +++++++---
 util/test/tests/D3D11/D3D11_Overlay_Test.py   |  30 +++++++-
 .../tests/D3D11/D3D11_Primitive_Restart.py    |  20 ++++-
 .../tests/D3D11/D3D11_Resource_Lifetimes.py   |  45 ++++++++++-
 util/test/tests/D3D11/D3D11_Shader_Editing.py |   8 +-
 .../test/tests/D3D11/D3D11_Simple_Triangle.py |  10 ++-
 .../tests/D3D12/D3D12_Execute_Indirect.py     |  16 +---
 util/test/tests/D3D12/D3D12_Overlay_Test.py   |  32 +++++++-
 .../tests/D3D12/D3D12_Resource_Lifetimes.py   |  45 ++++++++++-
 util/test/tests/D3D12/D3D12_Shader_Editing.py |   8 +-
 .../test/tests/D3D12/D3D12_Simple_Triangle.py |  10 ++-
 util/test/tests/GL/GL_DX_Interop.py           |  29 ++++++-
 util/test/tests/GL/GL_Overlay_Test.py         |  30 +++++++-
 util/test/tests/GL/GL_Parameter_Zoo.py        |   4 +-
 util/test/tests/GL/GL_Resource_Lifetimes.py   |  45 ++++++++++-
 .../tests/GL/GL_Separable_Geometry_Shaders.py |  17 +++--
 util/test/tests/GL/GL_Shader_Editing.py       |  16 ++--
 util/test/tests/GL/GL_Simple_Triangle.py      |  10 ++-
 util/test/tests/GL/GL_VAO_0.py                |  11 ++-
 util/test/tests/Vulkan/VK_Indirect.py         |  25 +++++-
 util/test/tests/Vulkan/VK_Int8_IBuffer.py     |  19 ++++-
 util/test/tests/Vulkan/VK_Overlay_Test.py     |  30 +++++++-
 .../tests/Vulkan/VK_Resource_Lifetimes.py     |  45 ++++++++++-
 util/test/tests/Vulkan/VK_Secondary_CmdBuf.py |  12 ++-
 util/test/tests/Vulkan/VK_Shader_Editing.py   |   8 +-
 util/test/tests/Vulkan/VK_Simple_Triangle.py  |  10 ++-
 157 files changed, 769 insertions(+), 326 deletions(-)
 delete mode 100644 util/test/data/D3D11_Overlay_Test/backbuffer.png
 delete mode 100644 util/test/data/D3D11_Primitive_Restart/backbuffer.png
 delete mode 100644 util/test/data/D3D11_Resource_Lifetimes/backbuffer.png
 delete mode 100644 util/test/data/D3D11_Simple_Triangle/backbuffer.png
 delete mode 100644 util/test/data/D3D12_Overlay_Test/backbuffer.png
 delete mode 100644 util/test/data/D3D12_Resource_Lifetimes/backbuffer.png
 delete mode 100644 util/test/data/D3D12_Simple_Triangle/backbuffer.png
 delete mode 100644 util/test/data/GL_DX_Interop/backbuffer.png
 delete mode 100644 util/test/data/GL_Overlay_Test/backbuffer.png
 delete mode 100644 util/test/data/GL_Resource_Lifetimes/backbuffer.png
 delete mode 100644 util/test/data/GL_Simple_Triangle/backbuffer.png
 delete mode 100644 util/test/data/GL_VAO_0/backbuffer.png
 delete mode 100644 util/test/data/VK_Indirect/backbuffer.png
 delete mode 100644 util/test/data/VK_Int8_IBuffer/backbuffer.png
 delete mode 100644 util/test/data/VK_Overlay_Test/backbuffer.png
 delete mode 100644 util/test/data/VK_Resource_Lifetimes/backbuffer.png
 delete mode 100644 util/test/data/VK_Secondary_CmdBuf/backbuffer.png
 delete mode 100644 util/test/data/VK_Simple_Triangle/backbuffer.png

diff --git a/util/test/data/D3D11_Overlay_Test/backbuffer.png b/util/test/data/D3D11_Overlay_Test/backbuffer.png
deleted file mode 100644
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diff --git a/util/test/demos/d3d11/d3d11_1_many_uavs.cpp b/util/test/demos/d3d11/d3d11_1_many_uavs.cpp
index 28002416f..7f50051fa 100644
--- a/util/test/demos/d3d11/d3d11_1_many_uavs.cpp
+++ b/util/test/demos/d3d11/d3d11_1_many_uavs.cpp
@@ -56,7 +56,7 @@ void main()
 
     while(Running())
     {
-      Vec4f col(0.4f, 0.5f, 0.6f, 1.0f);
+      Vec4f col(0.2f, 0.2f, 0.2f, 1.0f);
       ClearRenderTargetView(bbRTV, col);
 
       ctx->ClearUnorderedAccessViewUint(uav, (uint32_t *)&col.x);
diff --git a/util/test/demos/d3d11/d3d11_array_interpolator.cpp b/util/test/demos/d3d11/d3d11_array_interpolator.cpp
index 959dede7b..7c0393b65 100644
--- a/util/test/demos/d3d11/d3d11_array_interpolator.cpp
+++ b/util/test/demos/d3d11/d3d11_array_interpolator.cpp
@@ -93,7 +93,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_byte_address_buffers.cpp b/util/test/demos/d3d11/d3d11_byte_address_buffers.cpp
index b70fbd473..a1bd2729a 100644
--- a/util/test/demos/d3d11/d3d11_byte_address_buffers.cpp
+++ b/util/test/demos/d3d11/d3d11_byte_address_buffers.cpp
@@ -65,7 +65,7 @@ void main()
 
     while(Running())
     {
-      Vec4f col(0.4f, 0.5f, 0.6f, 1.0f);
+      Vec4f col(0.2f, 0.2f, 0.2f, 1.0f);
       ClearRenderTargetView(bbRTV, col);
 
       ctx->ClearUnorderedAccessViewUint(uav, (uint32_t *)&col.x);
diff --git a/util/test/demos/d3d11/d3d11_cbuffer_zoo.cpp b/util/test/demos/d3d11/d3d11_cbuffer_zoo.cpp
index 9de2db337..50a3154bc 100644
--- a/util/test/demos/d3d11/d3d11_cbuffer_zoo.cpp
+++ b/util/test/demos/d3d11/d3d11_cbuffer_zoo.cpp
@@ -291,7 +291,7 @@ float4 main() : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_counter_query_pred.cpp b/util/test/demos/d3d11/d3d11_counter_query_pred.cpp
index 4a0df944e..ea4c2b245 100644
--- a/util/test/demos/d3d11/d3d11_counter_query_pred.cpp
+++ b/util/test/demos/d3d11/d3d11_counter_query_pred.cpp
@@ -184,7 +184,7 @@ RD_TEST(D3D11_Counter_Query_Pred, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_deferred_map.cpp b/util/test/demos/d3d11/d3d11_deferred_map.cpp
index ca7dbc965..47cf39857 100644
--- a/util/test/demos/d3d11/d3d11_deferred_map.cpp
+++ b/util/test/demos/d3d11/d3d11_deferred_map.cpp
@@ -87,7 +87,7 @@ float4 main(v2f IN) : SV_Target0
     Vec4f *data = NULL;
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_deferred_updatesubresource.cpp b/util/test/demos/d3d11/d3d11_deferred_updatesubresource.cpp
index 45439c008..b6df2ce93 100644
--- a/util/test/demos/d3d11/d3d11_deferred_updatesubresource.cpp
+++ b/util/test/demos/d3d11/d3d11_deferred_updatesubresource.cpp
@@ -163,7 +163,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_divergent_shader.cpp b/util/test/demos/d3d11/d3d11_divergent_shader.cpp
index 9efe5536b..58cbf42be 100644
--- a/util/test/demos/d3d11/d3d11_divergent_shader.cpp
+++ b/util/test/demos/d3d11/d3d11_divergent_shader.cpp
@@ -143,7 +143,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_draw_zoo.cpp b/util/test/demos/d3d11/d3d11_draw_zoo.cpp
index 6aab26c91..2ce53c641 100644
--- a/util/test/demos/d3d11/d3d11_draw_zoo.cpp
+++ b/util/test/demos/d3d11/d3d11_draw_zoo.cpp
@@ -233,7 +233,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d11/d3d11_empty_compute_dispatch.cpp b/util/test/demos/d3d11/d3d11_empty_compute_dispatch.cpp
index 8abff1174..90a0101fb 100644
--- a/util/test/demos/d3d11/d3d11_empty_compute_dispatch.cpp
+++ b/util/test/demos/d3d11/d3d11_empty_compute_dispatch.cpp
@@ -55,7 +55,7 @@ void main()
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->CSSetShader(cs, NULL, 0);
 
diff --git a/util/test/demos/d3d11/d3d11_empty_drawcall.cpp b/util/test/demos/d3d11/d3d11_empty_drawcall.cpp
index 1f83b5441..a6f29a40d 100644
--- a/util/test/demos/d3d11/d3d11_empty_drawcall.cpp
+++ b/util/test/demos/d3d11/d3d11_empty_drawcall.cpp
@@ -46,7 +46,7 @@ RD_TEST(D3D11_Empty_Drawcall, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_empty_viewports.cpp b/util/test/demos/d3d11/d3d11_empty_viewports.cpp
index 3601c86c6..8ae27e070 100644
--- a/util/test/demos/d3d11/d3d11_empty_viewports.cpp
+++ b/util/test/demos/d3d11/d3d11_empty_viewports.cpp
@@ -47,7 +47,7 @@ RD_TEST(D3D11_Empty_Viewports, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_many_rtvs.cpp b/util/test/demos/d3d11/d3d11_many_rtvs.cpp
index 86e4390e6..121346983 100644
--- a/util/test/demos/d3d11/d3d11_many_rtvs.cpp
+++ b/util/test/demos/d3d11/d3d11_many_rtvs.cpp
@@ -73,7 +73,7 @@ float4 main() : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 
diff --git a/util/test/demos/d3d11/d3d11_map_overrun.cpp b/util/test/demos/d3d11/d3d11_map_overrun.cpp
index 7ec8e72eb..9facc4945 100644
--- a/util/test/demos/d3d11/d3d11_map_overrun.cpp
+++ b/util/test/demos/d3d11/d3d11_map_overrun.cpp
@@ -95,7 +95,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_mesh_zoo.cpp b/util/test/demos/d3d11/d3d11_mesh_zoo.cpp
index 72d112af6..839bb3e2d 100644
--- a/util/test/demos/d3d11/d3d11_mesh_zoo.cpp
+++ b/util/test/demos/d3d11/d3d11_mesh_zoo.cpp
@@ -142,7 +142,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->ClearDepthStencilView(bbDSV, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.0f, 0);
 
diff --git a/util/test/demos/d3d11/d3d11_midframe_create.cpp b/util/test/demos/d3d11/d3d11_midframe_create.cpp
index 1a03e74e6..05e715561 100644
--- a/util/test/demos/d3d11/d3d11_midframe_create.cpp
+++ b/util/test/demos/d3d11/d3d11_midframe_create.cpp
@@ -115,7 +115,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_mip_gen_rt.cpp b/util/test/demos/d3d11/d3d11_mip_gen_rt.cpp
index 7ffd0fbf6..b7337329d 100644
--- a/util/test/demos/d3d11/d3d11_mip_gen_rt.cpp
+++ b/util/test/demos/d3d11/d3d11_mip_gen_rt.cpp
@@ -115,9 +115,9 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
       for(int i = 0; i < NumMips; i++)
-        ClearRenderTargetView(rtv[i], {0.4f, 0.5f, 0.6f, 1.0f});
+        ClearRenderTargetView(rtv[i], {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->UpdateSubresource(rt, 0, NULL, ramp, 1024 * sizeof(uint32_t),
                              1024 * 1024 * sizeof(uint32_t));
diff --git a/util/test/demos/d3d11/d3d11_mip_rtv.cpp b/util/test/demos/d3d11/d3d11_mip_rtv.cpp
index 17173f920..bd2187478 100644
--- a/util/test/demos/d3d11/d3d11_mip_rtv.cpp
+++ b/util/test/demos/d3d11/d3d11_mip_rtv.cpp
@@ -71,9 +71,9 @@ float4 main() : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
       for(int i = 0; i < 4; i++)
-        ClearRenderTargetView(rtv[i], {0.4f, 0.5f, 0.6f, 1.0f});
+        ClearRenderTargetView(rtv[i], {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 
diff --git a/util/test/demos/d3d11/d3d11_overdraw_stress.cpp b/util/test/demos/d3d11/d3d11_overdraw_stress.cpp
index b7c5ed1f3..0f1119900 100644
--- a/util/test/demos/d3d11/d3d11_overdraw_stress.cpp
+++ b/util/test/demos/d3d11/d3d11_overdraw_stress.cpp
@@ -95,7 +95,7 @@ RD_TEST(D3D11_Overdraw_Stress, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->ClearDepthStencilView(bbDSV, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.0f, 0);
 
diff --git a/util/test/demos/d3d11/d3d11_overlay_test.cpp b/util/test/demos/d3d11/d3d11_overlay_test.cpp
index b48560936..1c1f06e1b 100644
--- a/util/test/demos/d3d11/d3d11_overlay_test.cpp
+++ b/util/test/demos/d3d11/d3d11_overlay_test.cpp
@@ -131,7 +131,7 @@ RD_TEST(D3D11_Overlay_Test, D3D11GraphicsTest)
 
       ctx->OMSetRenderTargets(1, &bbRTV.GetInterfacePtr(), dsv);
 
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
       ctx->ClearDepthStencilView(dsv, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.0f, 0);
 
       // draw the setup triangles
diff --git a/util/test/demos/d3d11/d3d11_primitive_restart.cpp b/util/test/demos/d3d11/d3d11_primitive_restart.cpp
index 60d712a81..f3b6eae51 100644
--- a/util/test/demos/d3d11/d3d11_primitive_restart.cpp
+++ b/util/test/demos/d3d11/d3d11_primitive_restart.cpp
@@ -44,23 +44,23 @@ RD_TEST(D3D11_Primitive_Restart, D3D11GraphicsTest)
     ID3D11PixelShaderPtr ps = CreatePS(psblob);
 
     DefaultA2V strip[] = {
-        {Vec3f(-0.8f, 0.2f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(-0.8f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.4f, 0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.4f, 0.7f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.4f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.4f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(0.0f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.0f, 0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, 0.2f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, 0.7f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.0f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
 
-        {Vec3f(-0.8f, -0.7f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.8f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(-0.4f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.4f, -0.2f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.0f, -0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.4f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.0f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(0.0f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, -0.7f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, -0.2f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
     };
 
     ID3D11BufferPtr vb = MakeBuffer().Vertex().Data(strip);
@@ -93,7 +93,7 @@ RD_TEST(D3D11_Primitive_Restart, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetIndexBuffer(ib, DXGI_FORMAT_R16_UINT, 0);
@@ -109,7 +109,7 @@ RD_TEST(D3D11_Primitive_Restart, D3D11GraphicsTest)
 
       ctx->DrawIndexed(17, 0, 0);
 
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->IASetIndexBuffer(ib2, DXGI_FORMAT_R16_UINT, 0);
 
diff --git a/util/test/demos/d3d11/d3d11_refcount_check.cpp b/util/test/demos/d3d11/d3d11_refcount_check.cpp
index 36caf0fa5..1401f1ea7 100644
--- a/util/test/demos/d3d11/d3d11_refcount_check.cpp
+++ b/util/test/demos/d3d11/d3d11_refcount_check.cpp
@@ -53,7 +53,7 @@ RD_TEST(D3D11_Refcount_Check, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_resource_lifetimes.cpp b/util/test/demos/d3d11/d3d11_resource_lifetimes.cpp
index 19cdb152e..173339f83 100644
--- a/util/test/demos/d3d11/d3d11_resource_lifetimes.cpp
+++ b/util/test/demos/d3d11/d3d11_resource_lifetimes.cpp
@@ -42,7 +42,8 @@ struct v2f
 
 Texture2D smiley : register(t0);
 Texture2D checker : register(t1);
-SamplerState samp : register(s0);
+SamplerState smileysamp : register(s0);
+SamplerState checkersamp : register(s1);
 
 cbuffer consts : register(b0)
 {
@@ -54,7 +55,9 @@ float4 main(v2f IN) : SV_Target0
   if(flags.x != 1.0f || flags.y != 2.0f || flags.z != 4.0f || flags.w != 8.0f)
     return float4(1.0f, 0.0f, 1.0f, 1.0f);
 
-	return smiley.Sample(samp, IN.uv * 2.0f) * checker.Sample(samp, IN.uv * 5.0f);
+	float4 col = smiley.Sample(smileysamp, IN.uv * 2.0f) * checker.Sample(checkersamp, IN.uv * 5.0f);
+  col.w = 1.0f;
+  return col;
 }
 
 )EOSHADER";
@@ -84,7 +87,13 @@ float4 main(v2f IN) : SV_Target0
 
     ctx->UpdateSubresource(smiley, 0, NULL, rgba8.data.data(), rgba8.width * sizeof(uint32_t), 0);
 
-    ID3D11SamplerStatePtr samp = MakeSampler().Address(D3D11_TEXTURE_ADDRESS_WRAP);
+    ID3D11SamplerStatePtr smileysamp = MakeSampler()
+                                           .AddressU(D3D11_TEXTURE_ADDRESS_CLAMP)
+                                           .AddressV(D3D11_TEXTURE_ADDRESS_WRAP)
+                                           .AddressW(D3D11_TEXTURE_ADDRESS_WRAP)
+                                           .Filter(D3D11_FILTER_MIN_MAG_MIP_POINT);
+    ID3D11SamplerStatePtr checkersamp =
+        MakeSampler().Address(D3D11_TEXTURE_ADDRESS_WRAP).Filter(D3D11_FILTER_MIN_MAG_MIP_POINT);
 
     auto SetupBuf = [this]() {
       const Vec4f flags = {1.0f, 2.0f, 4.0f, 8.0f};
@@ -155,16 +164,20 @@ float4 main(v2f IN) : SV_Target0
       srv = NULL;
     };
 
-    ID3D11ShaderResourceView *srvs[2] = {smileysrv};
+    ID3D11Texture2DPtr clearTex = MakeTexture(DXGI_FORMAT_R8G8B8A8_UNORM, 128, 128).RTV();
+    ID3D11RenderTargetViewPtr clearRTV = MakeRTV(clearTex);
 
-    ctx->PSSetSamplers(0, 1, &samp.GetInterfacePtr());
+    ID3D11ShaderResourceView *srvs[2] = {smileysrv};
+    ID3D11SamplerState *samps[2] = {smileysamp, checkersamp};
+
+    ctx->PSSetSamplers(0, 2, samps);
 
     ID3D11BufferPtr cb = SetupBuf();
     ID3D11ShaderResourceViewPtr srv = SetupSRV();
     srvs[1] = srv;
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
@@ -174,6 +187,12 @@ float4 main(v2f IN) : SV_Target0
       ctx->PSSetShader(ps, NULL, 0);
       ctx->OMSetRenderTargets(1, &bbRTV.GetInterfacePtr(), NULL);
 
+      // lazy partial clears!
+      ClearRenderTargetView(clearRTV, {0.0f, 1.0f, 0.0f, 1.0f});
+      ctx->CopySubresourceRegion(bbTex, 0, 0, 0, 0, clearTex, 0, NULL);
+      ClearRenderTargetView(clearRTV, {0.0f, 0.0f, 1.0f, 1.0f});
+      ctx->CopySubresourceRegion(bbTex, 0, 128, 0, 0, clearTex, 0, NULL);
+
       // render with last frame's resources
       RSSetViewport({0.0f, 0.0f, 128.0f, 128.0f, 0.0f, 1.0f});
       ctx->Draw(3, 0);
diff --git a/util/test/demos/d3d11/d3d11_saturate.cpp b/util/test/demos/d3d11/d3d11_saturate.cpp
index 01e00564c..579b812dc 100644
--- a/util/test/demos/d3d11/d3d11_saturate.cpp
+++ b/util/test/demos/d3d11/d3d11_saturate.cpp
@@ -79,9 +79,9 @@ void main(float4 pos : SV_Position, out float4 a : SV_Target0, out float4 b : SV
 
     while(Running())
     {
-      ClearRenderTargetView(fltRT[0], {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(fltRT[1], {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(fltRT[0], {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(fltRT[1], {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d11/d3d11_shader_debug_zoo.cpp b/util/test/demos/d3d11/d3d11_shader_debug_zoo.cpp
index 29f11cf6c..91834f87a 100644
--- a/util/test/demos/d3d11/d3d11_shader_debug_zoo.cpp
+++ b/util/test/demos/d3d11/d3d11_shader_debug_zoo.cpp
@@ -657,8 +657,8 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(fltRT, {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(fltRT, {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(ConstsA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_shader_editing.cpp b/util/test/demos/d3d11/d3d11_shader_editing.cpp
index cecbb66ed..ba837ff7e 100644
--- a/util/test/demos/d3d11/d3d11_shader_editing.cpp
+++ b/util/test/demos/d3d11/d3d11_shader_editing.cpp
@@ -78,8 +78,8 @@ float4 main() : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(fltRT, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(fltRT, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_shader_isa.cpp b/util/test/demos/d3d11/d3d11_shader_isa.cpp
index effd7b675..8d4614878 100644
--- a/util/test/demos/d3d11/d3d11_shader_isa.cpp
+++ b/util/test/demos/d3d11/d3d11_shader_isa.cpp
@@ -52,8 +52,8 @@ RD_TEST(D3D11_Shader_ISA, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(fltRT, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(fltRT, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_simple_dispatch.cpp b/util/test/demos/d3d11/d3d11_simple_dispatch.cpp
index 13637b713..5db451302 100644
--- a/util/test/demos/d3d11/d3d11_simple_dispatch.cpp
+++ b/util/test/demos/d3d11/d3d11_simple_dispatch.cpp
@@ -76,7 +76,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       ctx->ClearRenderTargetView(bbRTV, col);
 
       ctx->CSSetShader(cs, NULL, 0);
diff --git a/util/test/demos/d3d11/d3d11_simple_triangle.cpp b/util/test/demos/d3d11/d3d11_simple_triangle.cpp
index 1fd5c9842..755726933 100644
--- a/util/test/demos/d3d11/d3d11_simple_triangle.cpp
+++ b/util/test/demos/d3d11/d3d11_simple_triangle.cpp
@@ -52,8 +52,8 @@ RD_TEST(D3D11_Simple_Triangle, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(fltRT, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(fltRT, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_stream_out.cpp b/util/test/demos/d3d11/d3d11_stream_out.cpp
index 647ebdcd5..be1b8cb42 100644
--- a/util/test/demos/d3d11/d3d11_stream_out.cpp
+++ b/util/test/demos/d3d11/d3d11_stream_out.cpp
@@ -101,7 +101,7 @@ RD_TEST(D3D11_Stream_Out, D3D11GraphicsTest)
       ctx->UpdateSubresource(so[0], 0, NULL, empty, 2048, 2048);
       ctx->UpdateSubresource(so[1], 0, NULL, empty, 2048, 2048);
 
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
@@ -124,14 +124,14 @@ RD_TEST(D3D11_Stream_Out, D3D11GraphicsTest)
       ctx->UpdateSubresource(so[0], 0, NULL, empty, 2048, 2048);
       ctx->UpdateSubresource(so[1], 0, NULL, empty, 2048, 2048);
 
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->Draw(3, 0);
 
       ctx->UpdateSubresource(so[0], 0, NULL, empty, 2048, 2048);
       ctx->UpdateSubresource(so[1], 0, NULL, empty, 2048, 2048);
 
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       // test using offsets of NULL. Should be equivalent to passing -1
       bufs[0] = so[1];
diff --git a/util/test/demos/d3d11/d3d11_stripped_shaders.cpp b/util/test/demos/d3d11/d3d11_stripped_shaders.cpp
index 50f0b49b3..e4a25db49 100644
--- a/util/test/demos/d3d11/d3d11_stripped_shaders.cpp
+++ b/util/test/demos/d3d11/d3d11_stripped_shaders.cpp
@@ -57,7 +57,7 @@ RD_TEST(D3D11_Stripped_Shaders, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_structured_buffer_misaligned_dirty.cpp b/util/test/demos/d3d11/d3d11_structured_buffer_misaligned_dirty.cpp
index 87042de23..ec8d5cbc4 100644
--- a/util/test/demos/d3d11/d3d11_structured_buffer_misaligned_dirty.cpp
+++ b/util/test/demos/d3d11/d3d11_structured_buffer_misaligned_dirty.cpp
@@ -93,7 +93,7 @@ float4 main() : SV_Target0
     {
       ctx->Flush();
 
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       // map the buffer, but only update a misaligned section - so the update won't be aligned to
       // structured size.
diff --git a/util/test/demos/d3d11/d3d11_structured_buffer_nested.cpp b/util/test/demos/d3d11/d3d11_structured_buffer_nested.cpp
index 685e08f0e..9a8591693 100644
--- a/util/test/demos/d3d11/d3d11_structured_buffer_nested.cpp
+++ b/util/test/demos/d3d11/d3d11_structured_buffer_nested.cpp
@@ -107,7 +107,7 @@ float4 main() : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_structured_buffer_read.cpp b/util/test/demos/d3d11/d3d11_structured_buffer_read.cpp
index 254fe12e1..ec9b402bd 100644
--- a/util/test/demos/d3d11/d3d11_structured_buffer_read.cpp
+++ b/util/test/demos/d3d11/d3d11_structured_buffer_read.cpp
@@ -79,7 +79,7 @@ float4 main() : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_texture_3d.cpp b/util/test/demos/d3d11/d3d11_texture_3d.cpp
index 7f20c28fd..1de83e4ad 100644
--- a/util/test/demos/d3d11/d3d11_texture_3d.cpp
+++ b/util/test/demos/d3d11/d3d11_texture_3d.cpp
@@ -241,7 +241,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_texture_zoo.cpp b/util/test/demos/d3d11/d3d11_texture_zoo.cpp
index f3a3734d1..ccdd7320f 100644
--- a/util/test/demos/d3d11/d3d11_texture_zoo.cpp
+++ b/util/test/demos/d3d11/d3d11_texture_zoo.cpp
@@ -1029,7 +1029,7 @@ int4 main(float4 pos : SV_Position, uint samp : SV_SampleIndex) : SV_Target0
     while(Running())
     {
       ctx->ClearState();
-      ClearRenderTargetView(fltRT, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(fltRT, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 
diff --git a/util/test/demos/d3d11/d3d11_untyped_backbuffer_descriptor.cpp b/util/test/demos/d3d11/d3d11_untyped_backbuffer_descriptor.cpp
index 4ddaa9937..31b1f76c5 100644
--- a/util/test/demos/d3d11/d3d11_untyped_backbuffer_descriptor.cpp
+++ b/util/test/demos/d3d11/d3d11_untyped_backbuffer_descriptor.cpp
@@ -53,7 +53,7 @@ RD_TEST(D3D11_Untyped_Backbuffer_Descriptor, D3D11GraphicsTest)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_vertex_attr_zoo.cpp b/util/test/demos/d3d11/d3d11_vertex_attr_zoo.cpp
index b0c350bec..32be14c49 100644
--- a/util/test/demos/d3d11/d3d11_vertex_attr_zoo.cpp
+++ b/util/test/demos/d3d11/d3d11_vertex_attr_zoo.cpp
@@ -206,7 +206,7 @@ void main(triangle v2f input[3], inout TriangleStream<v2f> TriStream)
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(vertin), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d11/d3d11_video_textures.cpp b/util/test/demos/d3d11/d3d11_video_textures.cpp
index 967b299ab..fa5e7b8d7 100644
--- a/util/test/demos/d3d11/d3d11_video_textures.cpp
+++ b/util/test/demos/d3d11/d3d11_video_textures.cpp
@@ -755,7 +755,7 @@ float4 main(v2f IN) : SV_Target0
 
     while(Running())
     {
-      ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       IASetVertexBuffer(vb, sizeof(DefaultA2V), 0);
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
diff --git a/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp b/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp
index f834deca8..a89eb78b6 100644
--- a/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp
+++ b/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp
@@ -355,11 +355,11 @@ float4 main() : SV_Target0
       D3D12_CPU_DESCRIPTOR_HANDLE bbrtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, bbrtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, bbrtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       D3D12_CPU_DESCRIPTOR_HANDLE offrtv = MakeRTV(rtvtex).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, offrtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, offrtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d12/d3d12_mesh_zoo.cpp b/util/test/demos/d3d12/d3d12_mesh_zoo.cpp
index 4a4f046f1..9e3b454d6 100644
--- a/util/test/demos/d3d12/d3d12_mesh_zoo.cpp
+++ b/util/test/demos/d3d12/d3d12_mesh_zoo.cpp
@@ -155,7 +155,7 @@ float4 main(v2f IN) : SV_Target0
 
       OMSetRenderTargets(cmd, {rtv}, MakeDSV(dsv).CreateCPU(0));
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
       ClearDepthStencilView(cmd, dsv, D3D12_CLEAR_FLAG_DEPTH | D3D12_CLEAR_FLAG_STENCIL, 1.0f, 0);
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d12/d3d12_overlay_test.cpp b/util/test/demos/d3d12/d3d12_overlay_test.cpp
index 0fdfd41db..dce99ac81 100644
--- a/util/test/demos/d3d12/d3d12_overlay_test.cpp
+++ b/util/test/demos/d3d12/d3d12_overlay_test.cpp
@@ -161,7 +161,7 @@ RD_TEST(D3D12_Overlay_Test, D3D12GraphicsTest)
 
       OMSetRenderTargets(cmd, {rtv}, MakeDSV(dsv).CreateCPU(0));
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
       ClearDepthStencilView(cmd, dsv, D3D12_CLEAR_FLAG_DEPTH | D3D12_CLEAR_FLAG_STENCIL, 1.0f, 0);
 
       cmd->OMSetStencilRef(0x55);
diff --git a/util/test/demos/d3d12/d3d12_resource_lifetimes.cpp b/util/test/demos/d3d12/d3d12_resource_lifetimes.cpp
index a942a3f51..dcf027977 100644
--- a/util/test/demos/d3d12/d3d12_resource_lifetimes.cpp
+++ b/util/test/demos/d3d12/d3d12_resource_lifetimes.cpp
@@ -42,7 +42,8 @@ struct v2f
 
 Texture2D smiley : register(t0);
 Texture2D checker : register(t1);
-SamplerState samp : register(s0);
+SamplerState smileysamp : register(s0);
+SamplerState checkersamp : register(s1);
 
 cbuffer consts : register(b0)
 {
@@ -54,7 +55,9 @@ float4 main(v2f IN) : SV_Target0
   if(flags.x != 1.0f || flags.y != 2.0f || flags.z != 4.0f || flags.w != 8.0f)
     return float4(1.0f, 0.0f, 1.0f, 1.0f);
 
-	return smiley.Sample(samp, IN.uv * 2.0f) * checker.Sample(samp, IN.uv * 5.0f);
+	float4 col = smiley.Sample(smileysamp, IN.uv * 2.0f) * checker.Sample(checkersamp, IN.uv * 5.0f);
+  col.w = 1.0f;
+  return col;
 }
 
 )EOSHADER";
@@ -71,8 +74,8 @@ float4 main(v2f IN) : SV_Target0
     ID3D12ResourcePtr vb = MakeBuffer().Data(DefaultTri);
 
     D3D12_STATIC_SAMPLER_DESC samp = {
-        D3D12_FILTER_MIN_MAG_MIP_LINEAR,
-        D3D12_TEXTURE_ADDRESS_MODE_WRAP,
+        D3D12_FILTER_MIN_MAG_MIP_POINT,
+        D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
         D3D12_TEXTURE_ADDRESS_MODE_WRAP,
         D3D12_TEXTURE_ADDRESS_MODE_WRAP,
         0.0f,
@@ -86,13 +89,18 @@ float4 main(v2f IN) : SV_Target0
         D3D12_SHADER_VISIBILITY_PIXEL,
     };
 
+    D3D12_STATIC_SAMPLER_DESC samps[2];
+    samps[0] = samps[1] = samp;
+    samps[1].ShaderRegister = 1;
+    samps[1].AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+
     ID3D12RootSignaturePtr sig = MakeSig(
         {
             tableParam(D3D12_SHADER_VISIBILITY_PIXEL, D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 0, 0, 1, 0),
             tableParam(D3D12_SHADER_VISIBILITY_PIXEL, D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 0, 1, 1, 1),
             tableParam(D3D12_SHADER_VISIBILITY_PIXEL, D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 0, 0, 1, 2),
         },
-        D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT, 1, &samp);
+        D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT, 2, samps);
 
     ID3D12PipelineStatePtr pso = MakePSO().RootSig(sig).InputLayout().VS(vsblob).PS(psblob);
 
@@ -420,7 +428,15 @@ float4 main(v2f IN) : SV_Target0
 
         rtv = MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-        ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+        ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
+
+        D3D12_RECT rect = {0, 0, 128, 128};
+        Vec4f col(0.0f, 1.0f, 0.0f, 1.0f);
+        cmd->ClearRenderTargetView(rtv, &col.x, 1, &rect);
+
+        rect = {128, 0, 256, 128};
+        col = Vec4f(0.0f, 0.0f, 1.0f, 1.0f);
+        cmd->ClearRenderTargetView(rtv, &col.x, 1, &rect);
 
         cmd->Close();
 
diff --git a/util/test/demos/d3d12/d3d12_shader_debug_zoo.cpp b/util/test/demos/d3d12/d3d12_shader_debug_zoo.cpp
index 0df2a933f..5eb2a30cf 100644
--- a/util/test/demos/d3d12/d3d12_shader_debug_zoo.cpp
+++ b/util/test/demos/d3d12/d3d12_shader_debug_zoo.cpp
@@ -716,7 +716,7 @@ float4 main(v2f IN) : SV_Target0
 
       D3D12_CPU_DESCRIPTOR_HANDLE rtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(1);
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       ID3D12PipelineStatePtr psos[2] = {pso_5_0, pso_5_1};
       float blitOffsets[2] = {0.0f, 4.0f};
@@ -726,7 +726,7 @@ float4 main(v2f IN) : SV_Target0
       // Clear, draw, and blit to backbuffer twice - once for SM 5.0 and again for SM 5.1
       for(int i = 0; i < 2; ++i)
       {
-        ClearRenderTargetView(cmd, fltRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+        ClearRenderTargetView(cmd, fltRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
         IASetVertexBuffer(cmd, vb, sizeof(ConstsA2V), 0);
         cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
diff --git a/util/test/demos/d3d12/d3d12_shader_editing.cpp b/util/test/demos/d3d12/d3d12_shader_editing.cpp
index dceaab696..a3dec18e9 100644
--- a/util/test/demos/d3d12/d3d12_shader_editing.cpp
+++ b/util/test/demos/d3d12/d3d12_shader_editing.cpp
@@ -93,8 +93,8 @@ float4 main() : SV_Target0
 
       D3D12_CPU_DESCRIPTOR_HANDLE offrtv = MakeRTV(rtvtex).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, offrtv, {0.4f, 0.5f, 0.6f, 1.0f});
-      ClearRenderTargetView(cmd, bbrtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, offrtv, {0.2f, 0.2f, 0.2f, 1.0f});
+      ClearRenderTargetView(cmd, bbrtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d12/d3d12_shader_isa.cpp b/util/test/demos/d3d12/d3d12_shader_isa.cpp
index 1f26e4e78..63361231c 100644
--- a/util/test/demos/d3d12/d3d12_shader_isa.cpp
+++ b/util/test/demos/d3d12/d3d12_shader_isa.cpp
@@ -62,9 +62,9 @@ RD_TEST(D3D12_Shader_ISA, D3D12GraphicsTest)
       D3D12_CPU_DESCRIPTOR_HANDLE rtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
-      ClearRenderTargetView(cmd, MakeRTV(rtvtex).CreateCPU(1), {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, MakeRTV(rtvtex).CreateCPU(1), {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d12/d3d12_simple_triangle.cpp b/util/test/demos/d3d12/d3d12_simple_triangle.cpp
index 5b1e5a3ea..2e64e220f 100644
--- a/util/test/demos/d3d12/d3d12_simple_triangle.cpp
+++ b/util/test/demos/d3d12/d3d12_simple_triangle.cpp
@@ -62,9 +62,9 @@ RD_TEST(D3D12_Simple_Triangle, D3D12GraphicsTest)
       D3D12_CPU_DESCRIPTOR_HANDLE rtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
-      ClearRenderTargetView(cmd, MakeRTV(rtvtex).CreateCPU(1), {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, MakeRTV(rtvtex).CreateCPU(1), {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d12/d3d12_test.cpp b/util/test/demos/d3d12/d3d12_test.cpp
index 612b4d1cb..e9e4d175e 100644
--- a/util/test/demos/d3d12/d3d12_test.cpp
+++ b/util/test/demos/d3d12/d3d12_test.cpp
@@ -260,6 +260,9 @@ bool D3D12GraphicsTest::Init()
       bbDesc.SampleDesc.Quality = 0;
       bbDesc.Width = screenWidth;
 
+      if(bbDesc.Format == DXGI_FORMAT_R8G8B8A8_UNORM)
+        bbDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
+
       D3D12_HEAP_PROPERTIES heapProps;
       heapProps.Type = D3D12_HEAP_TYPE_DEFAULT;
       heapProps.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
diff --git a/util/test/demos/d3d12/d3d12_texture_zoo.cpp b/util/test/demos/d3d12/d3d12_texture_zoo.cpp
index 48f27e5d6..f76e6c449 100644
--- a/util/test/demos/d3d12/d3d12_texture_zoo.cpp
+++ b/util/test/demos/d3d12/d3d12_texture_zoo.cpp
@@ -1127,7 +1127,7 @@ int4 main(float4 pos : SV_Position, uint samp : SV_SampleIndex) : SV_Target0
 
       D3D12_CPU_DESCRIPTOR_HANDLE fltRTV = MakeRTV(fltTex).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, fltRTV, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, fltRTV, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 
@@ -1195,7 +1195,7 @@ int4 main(float4 pos : SV_Position, uint samp : SV_SampleIndex) : SV_Target0
       D3D12_CPU_DESCRIPTOR_HANDLE rtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       OMSetRenderTargets(cmd, {rtv}, {});
 
diff --git a/util/test/demos/d3d12/d3d12_untyped_backbuffer_descriptor.cpp b/util/test/demos/d3d12/d3d12_untyped_backbuffer_descriptor.cpp
index 9646fec95..48c532a81 100644
--- a/util/test/demos/d3d12/d3d12_untyped_backbuffer_descriptor.cpp
+++ b/util/test/demos/d3d12/d3d12_untyped_backbuffer_descriptor.cpp
@@ -60,7 +60,7 @@ RD_TEST(D3D12_Untyped_Backbuffer_Descriptor, D3D12GraphicsTest)
       // create a descriptor with an UNKNOWN format
       D3D12_CPU_DESCRIPTOR_HANDLE rtv = MakeRTV(bb).Format(DXGI_FORMAT_UNKNOWN).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d12/d3d12_vertex_attr_zoo.cpp b/util/test/demos/d3d12/d3d12_vertex_attr_zoo.cpp
index 410031245..7ce8fa0d9 100644
--- a/util/test/demos/d3d12/d3d12_vertex_attr_zoo.cpp
+++ b/util/test/demos/d3d12/d3d12_vertex_attr_zoo.cpp
@@ -211,7 +211,7 @@ void main(triangle v2f input[3], inout TriangleStream<v2f> TriStream)
       D3D12_CPU_DESCRIPTOR_HANDLE rtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
diff --git a/util/test/demos/d3d12/d3d12_video_textures.cpp b/util/test/demos/d3d12/d3d12_video_textures.cpp
index 3dce30104..030134398 100644
--- a/util/test/demos/d3d12/d3d12_video_textures.cpp
+++ b/util/test/demos/d3d12/d3d12_video_textures.cpp
@@ -648,7 +648,7 @@ float4 main(v2f IN) : SV_Target0
 
       OMSetRenderTargets(cmd, {rtv}, {});
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 
diff --git a/util/test/demos/d3d12/d3d12_write_subresource.cpp b/util/test/demos/d3d12/d3d12_write_subresource.cpp
index aca307e30..7145f1ebc 100644
--- a/util/test/demos/d3d12/d3d12_write_subresource.cpp
+++ b/util/test/demos/d3d12/d3d12_write_subresource.cpp
@@ -121,7 +121,7 @@ float4 main(v2f IN) : SV_Target0
       D3D12_CPU_DESCRIPTOR_HANDLE rtv =
           MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
 
-      ClearRenderTargetView(cmd, rtv, {0.4f, 0.5f, 0.6f, 1.0f});
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
 
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 
diff --git a/util/test/demos/gl/gl_buffer_spam.cpp b/util/test/demos/gl/gl_buffer_spam.cpp
index a881fc830..8a9e60d72 100644
--- a/util/test/demos/gl/gl_buffer_spam.cpp
+++ b/util/test/demos/gl/gl_buffer_spam.cpp
@@ -110,7 +110,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_buffer_updates.cpp b/util/test/demos/gl/gl_buffer_updates.cpp
index ba5c8968c..7ff7272e5 100644
--- a/util/test/demos/gl/gl_buffer_updates.cpp
+++ b/util/test/demos/gl/gl_buffer_updates.cpp
@@ -278,7 +278,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_callstacks.cpp b/util/test/demos/gl/gl_callstacks.cpp
index 62440d3f3..8cabe1c0e 100644
--- a/util/test/demos/gl/gl_callstacks.cpp
+++ b/util/test/demos/gl/gl_callstacks.cpp
@@ -105,7 +105,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_cbuffer_zoo.cpp b/util/test/demos/gl/gl_cbuffer_zoo.cpp
index 094c7a546..da2f7e76a 100644
--- a/util/test/demos/gl/gl_cbuffer_zoo.cpp
+++ b/util/test/demos/gl/gl_cbuffer_zoo.cpp
@@ -383,7 +383,7 @@ void main()
     {
       glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindFramebuffer(GL_FRAMEBUFFER, fbo);
diff --git a/util/test/demos/gl/gl_depthstencil_fbo.cpp b/util/test/demos/gl/gl_depthstencil_fbo.cpp
index d0e0905c2..f8ac58623 100644
--- a/util/test/demos/gl/gl_depthstencil_fbo.cpp
+++ b/util/test/demos/gl/gl_depthstencil_fbo.cpp
@@ -162,7 +162,7 @@ void main()
       GLenum bufs[] = {GL_COLOR_ATTACHMENT0};
       glDrawBuffers(1, bufs);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
       glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0f, 0);
 
diff --git a/util/test/demos/gl/gl_dx_interop.cpp b/util/test/demos/gl/gl_dx_interop.cpp
index acd4fcf95..faf3750d0 100644
--- a/util/test/demos/gl/gl_dx_interop.cpp
+++ b/util/test/demos/gl/gl_dx_interop.cpp
@@ -157,8 +157,8 @@ void main()
     ID3D11ShaderResourceViewPtr srv = d3d.MakeSRV(d3d_tod3d);
     ID3D11RenderTargetViewPtr rtv2 = d3d.MakeRTV(d3d_tod3d);
 
-    float black[4] = {};
-    d3d.ctx->ClearRenderTargetView(rtv2, black);
+    float base[4] = {0.2f, 0.2f, 0.2f, 1.0f};
+    d3d.ctx->ClearRenderTargetView(rtv2, base);
 
     // initialise, create window, create context, etc
     if(!Init())
@@ -244,7 +244,7 @@ void main()
 
       TEST_ASSERT(res, "wglDXLockObjectsNV buffer failed");
 
-      float col2[] = {0.6f, 0.4f, 0.6f, 1.0f};
+      float col2[] = {0.0f, 1.0f, 0.0f, 1.0f};
       ctx->ClearRenderTargetView(rtv, col2);
 
       ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
@@ -273,13 +273,11 @@ void main()
 
       glUseProgram(program);
 
-      glUniform2f(glGetUniformLocation(program, "wave"), sinf(delta * 0.9f), -cosf(delta * 2.7f));
-
       delta += 0.1f;
 
       glBindTexture(GL_TEXTURE_2D, gl_fromd3d);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {1.0f, 0.0f, 0.0f, 1.0f};
 
       // render back into d3d
       glViewport(0, 0, 1024, 1024);
diff --git a/util/test/demos/gl/gl_entry_points.cpp b/util/test/demos/gl/gl_entry_points.cpp
index b4f44f2c1..dfa51cd99 100644
--- a/util/test/demos/gl/gl_entry_points.cpp
+++ b/util/test/demos/gl/gl_entry_points.cpp
@@ -79,7 +79,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_large_bcn_arrays.cpp b/util/test/demos/gl/gl_large_bcn_arrays.cpp
index 4095d6ae1..98d32cc2c 100644
--- a/util/test/demos/gl/gl_large_bcn_arrays.cpp
+++ b/util/test/demos/gl/gl_large_bcn_arrays.cpp
@@ -166,7 +166,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_map_overrun.cpp b/util/test/demos/gl/gl_map_overrun.cpp
index f384158a8..dcdb780a6 100644
--- a/util/test/demos/gl/gl_map_overrun.cpp
+++ b/util/test/demos/gl/gl_map_overrun.cpp
@@ -104,7 +104,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_mesh_zoo.cpp b/util/test/demos/gl/gl_mesh_zoo.cpp
index b6b45d694..ab053b889 100644
--- a/util/test/demos/gl/gl_mesh_zoo.cpp
+++ b/util/test/demos/gl/gl_mesh_zoo.cpp
@@ -211,7 +211,7 @@ void main()
     while(Running())
     {
       glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
       glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0f, 0);
 
diff --git a/util/test/demos/gl/gl_midframe_context_create.cpp b/util/test/demos/gl/gl_midframe_context_create.cpp
index 80d07b59d..fbf275279 100644
--- a/util/test/demos/gl/gl_midframe_context_create.cpp
+++ b/util/test/demos/gl/gl_midframe_context_create.cpp
@@ -109,7 +109,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glUseProgram(program);
diff --git a/util/test/demos/gl/gl_mip_gen_rt.cpp b/util/test/demos/gl/gl_mip_gen_rt.cpp
index 781cb281b..35cefae3d 100644
--- a/util/test/demos/gl/gl_mip_gen_rt.cpp
+++ b/util/test/demos/gl/gl_mip_gen_rt.cpp
@@ -109,7 +109,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glBindFramebuffer(GL_FRAMEBUFFER, 0);
       glClearBufferfv(GL_COLOR, 0, col);
 
diff --git a/util/test/demos/gl/gl_multi_window.cpp b/util/test/demos/gl/gl_multi_window.cpp
index ca8898e1b..3ce914db1 100644
--- a/util/test/demos/gl/gl_multi_window.cpp
+++ b/util/test/demos/gl/gl_multi_window.cpp
@@ -123,7 +123,7 @@ void main()
     {
       ActivateContext(mainWindow, mainContext);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_overlay_test.cpp b/util/test/demos/gl/gl_overlay_test.cpp
index bfafdc7ce..62b6f2748 100644
--- a/util/test/demos/gl/gl_overlay_test.cpp
+++ b/util/test/demos/gl/gl_overlay_test.cpp
@@ -192,7 +192,7 @@ void main()
       glViewport(10, 10, GLsizei(screenWidth) - 20, GLsizei(screenHeight) - 20);
 
       glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
       glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0f, 0);
 
diff --git a/util/test/demos/gl/gl_per_type_tex_units.cpp b/util/test/demos/gl/gl_per_type_tex_units.cpp
index f7a0b7d55..10147de7e 100644
--- a/util/test/demos/gl/gl_per_type_tex_units.cpp
+++ b/util/test/demos/gl/gl_per_type_tex_units.cpp
@@ -139,7 +139,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_resource_lifetimes.cpp b/util/test/demos/gl/gl_resource_lifetimes.cpp
index a13dd6d0c..60588b27f 100644
--- a/util/test/demos/gl/gl_resource_lifetimes.cpp
+++ b/util/test/demos/gl/gl_resource_lifetimes.cpp
@@ -378,15 +378,16 @@ void main()
       glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
       glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearNamedFramebufferfv(0, GL_COLOR, 0, col);
 
       // render with last frame's resources
-      float col1[] = {0.5f, 0.1f, 0.1f, 1.0f};
+      float col1[] = {0.0f, 1.0f, 0.0f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col1);
 
       glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_SHORT, NULL);
-      glBlitNamedFramebuffer(fbo, 0, 0, 0, 128, 128, 0, 0, 128, 128, GL_COLOR_BUFFER_BIT, GL_NEAREST);
+      glBlitNamedFramebuffer(fbo, 0, 0, 0, 128, 128, 0, screenHeight - 128, 128, screenHeight,
+                             GL_COLOR_BUFFER_BIT, GL_NEAREST);
 
       // trash last frame's resources
       TrashFBO(fbo);
@@ -407,12 +408,12 @@ void main()
       pipe = SetupPipe(vsprog, fsprog);
       tex = SetupTex();
       buf = SetupBuf();
-      float col2[] = {0.1f, 0.1f, 0.5f, 1.0f};
+      float col2[] = {0.0f, 0.0f, 1.0f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col2);
 
       glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_SHORT, NULL);
-      glBlitNamedFramebuffer(fbo, 0, 0, 0, 128, 128, 128, 0, 256, 128, GL_COLOR_BUFFER_BIT,
-                             GL_NEAREST);
+      glBlitNamedFramebuffer(fbo, 0, 0, 0, 128, 128, 128, screenHeight - 128, 256, screenHeight,
+                             GL_COLOR_BUFFER_BIT, GL_NEAREST);
       TrashFBO(fbo);
       TrashVAO(vao);
       TrashSampler(sampler);
diff --git a/util/test/demos/gl/gl_runtime_bind_prog_to_pipe.cpp b/util/test/demos/gl/gl_runtime_bind_prog_to_pipe.cpp
index b019c11aa..d7fa7db87 100644
--- a/util/test/demos/gl/gl_runtime_bind_prog_to_pipe.cpp
+++ b/util/test/demos/gl/gl_runtime_bind_prog_to_pipe.cpp
@@ -114,7 +114,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_separable_geometry_shader.cpp b/util/test/demos/gl/gl_separable_geometry_shader.cpp
index ea6d0298e..c0b4d5a93 100644
--- a/util/test/demos/gl/gl_separable_geometry_shader.cpp
+++ b/util/test/demos/gl/gl_separable_geometry_shader.cpp
@@ -184,7 +184,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_shader_editing.cpp b/util/test/demos/gl/gl_shader_editing.cpp
index 8134502c5..deda0e29f 100644
--- a/util/test/demos/gl/gl_shader_editing.cpp
+++ b/util/test/demos/gl/gl_shader_editing.cpp
@@ -177,7 +177,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_shader_isa.cpp b/util/test/demos/gl/gl_shader_isa.cpp
index fffef31ac..e4780d8bd 100644
--- a/util/test/demos/gl/gl_shader_isa.cpp
+++ b/util/test/demos/gl/gl_shader_isa.cpp
@@ -105,7 +105,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glClearTexImage(tex, 0, GL_RGBA, GL_FLOAT, col);
diff --git a/util/test/demos/gl/gl_simple_triangle.cpp b/util/test/demos/gl/gl_simple_triangle.cpp
index aebb1289a..76569c90a 100644
--- a/util/test/demos/gl/gl_simple_triangle.cpp
+++ b/util/test/demos/gl/gl_simple_triangle.cpp
@@ -105,7 +105,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glClearTexImage(tex, 0, GL_RGBA, GL_FLOAT, col);
diff --git a/util/test/demos/gl/gl_spirv_shader.cpp b/util/test/demos/gl/gl_spirv_shader.cpp
index 4c5093541..e0b4d4dc1 100644
--- a/util/test/demos/gl/gl_spirv_shader.cpp
+++ b/util/test/demos/gl/gl_spirv_shader.cpp
@@ -224,7 +224,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       GLsizei w = GLsizei(screenWidth) >> 1;
diff --git a/util/test/demos/gl/gl_structured_buffer_nested.cpp b/util/test/demos/gl/gl_structured_buffer_nested.cpp
index b446f8cf0..aff9f099a 100644
--- a/util/test/demos/gl/gl_structured_buffer_nested.cpp
+++ b/util/test/demos/gl/gl_structured_buffer_nested.cpp
@@ -188,7 +188,7 @@ void main()
       glBindBuffer(GL_SHADER_STORAGE_BUFFER, outbuf);
       glClearBufferSubData(GL_SHADER_STORAGE_BUFFER, GL_RGBA32F, 0, 1024, GL_RGBA, GL_FLOAT, zeros);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_texture_zoo.cpp b/util/test/demos/gl/gl_texture_zoo.cpp
index 0a6026f93..31f6cd640 100644
--- a/util/test/demos/gl/gl_texture_zoo.cpp
+++ b/util/test/demos/gl/gl_texture_zoo.cpp
@@ -967,7 +967,7 @@ void main()
     {
       glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/gl/gl_unsized_ms_fbo_attachment.cpp b/util/test/demos/gl/gl_unsized_ms_fbo_attachment.cpp
index 220653b31..de323e349 100644
--- a/util/test/demos/gl/gl_unsized_ms_fbo_attachment.cpp
+++ b/util/test/demos/gl/gl_unsized_ms_fbo_attachment.cpp
@@ -133,7 +133,7 @@ void main()
       GLenum bufs[] = {GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1};
       glDrawBuffers(2, bufs);
 
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
       glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0f, 0);
 
diff --git a/util/test/demos/gl/gl_vao_0.cpp b/util/test/demos/gl/gl_vao_0.cpp
index 3ddd57569..7973359b2 100644
--- a/util/test/demos/gl/gl_vao_0.cpp
+++ b/util/test/demos/gl/gl_vao_0.cpp
@@ -104,7 +104,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       // try to delete VAO 0. Should do nothing
diff --git a/util/test/demos/gl/gl_vertex_attr_zoo.cpp b/util/test/demos/gl/gl_vertex_attr_zoo.cpp
index d540ae457..ac7a234c0 100644
--- a/util/test/demos/gl/gl_vertex_attr_zoo.cpp
+++ b/util/test/demos/gl/gl_vertex_attr_zoo.cpp
@@ -244,7 +244,7 @@ void main()
 
     while(Running())
     {
-      float col[] = {0.4f, 0.5f, 0.6f, 1.0f};
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
       glClearBufferfv(GL_COLOR, 0, col);
 
       glBindVertexArray(vao);
diff --git a/util/test/demos/test_common.cpp b/util/test/demos/test_common.cpp
index 206e7f8a6..a2473aea8 100644
--- a/util/test/demos/test_common.cpp
+++ b/util/test/demos/test_common.cpp
@@ -28,9 +28,9 @@
 #include <algorithm>
 
 const DefaultA2V DefaultTri[3] = {
-    {Vec3f(-0.5f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+    {Vec3f(-0.5f, -0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
     {Vec3f(0.0f, 0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-    {Vec3f(0.5f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+    {Vec3f(0.5f, -0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 };
 
 /* XPM */
diff --git a/util/test/demos/vk/vk_adv_cbuffer_zoo.cpp b/util/test/demos/vk/vk_adv_cbuffer_zoo.cpp
index 92b1d4b37..949794ef5 100644
--- a/util/test/demos/vk/vk_adv_cbuffer_zoo.cpp
+++ b/util/test/demos/vk/vk_adv_cbuffer_zoo.cpp
@@ -373,7 +373,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_cbuffer_zoo.cpp b/util/test/demos/vk/vk_cbuffer_zoo.cpp
index 14df68151..6b1556f9b 100644
--- a/util/test/demos/vk/vk_cbuffer_zoo.cpp
+++ b/util/test/demos/vk/vk_cbuffer_zoo.cpp
@@ -652,7 +652,7 @@ float4 main() : SV_Target0
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdBeginRenderPass(cmd, vkh::RenderPassBeginInfo(renderPass, framebuffer, mainWindow->scissor,
-                                                         {vkh::ClearValue(0.4f, 0.5f, 0.6f, 1.0f)}),
+                                                         {vkh::ClearValue(0.2f, 0.2f, 0.2f, 1.0f)}),
                            VK_SUBPASS_CONTENTS_INLINE);
 
       vkh::cmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, layout, 0, {descset}, {});
diff --git a/util/test/demos/vk/vk_descriptor_index.cpp b/util/test/demos/vk/vk_descriptor_index.cpp
index 75cfd7d7d..63df268e0 100644
--- a/util/test/demos/vk/vk_descriptor_index.cpp
+++ b/util/test/demos/vk/vk_descriptor_index.cpp
@@ -537,7 +537,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, comppipe);
diff --git a/util/test/demos/vk/vk_discard_rects.cpp b/util/test/demos/vk/vk_discard_rects.cpp
index 49c394bf0..1cb6ba034 100644
--- a/util/test/demos/vk/vk_discard_rects.cpp
+++ b/util/test/demos/vk/vk_discard_rects.cpp
@@ -172,7 +172,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_draw_zoo.cpp b/util/test/demos/vk/vk_draw_zoo.cpp
index e26ba8d9e..44593f8b3 100644
--- a/util/test/demos/vk/vk_draw_zoo.cpp
+++ b/util/test/demos/vk/vk_draw_zoo.cpp
@@ -315,7 +315,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_ext_buffer_address.cpp b/util/test/demos/vk/vk_ext_buffer_address.cpp
index d4e603837..81109b33c 100644
--- a/util/test/demos/vk/vk_ext_buffer_address.cpp
+++ b/util/test/demos/vk/vk_ext_buffer_address.cpp
@@ -234,7 +234,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_image_layouts.cpp b/util/test/demos/vk/vk_image_layouts.cpp
index b5857b7df..dfaaed776 100644
--- a/util/test/demos/vk/vk_image_layouts.cpp
+++ b/util/test/demos/vk/vk_image_layouts.cpp
@@ -186,7 +186,7 @@ void main()
                               });
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       // the manual images are transitioned into general for copying, from pre-initialised and
diff --git a/util/test/demos/vk/vk_imageless_framebuffer.cpp b/util/test/demos/vk/vk_imageless_framebuffer.cpp
index ddacef1cd..acabf6ae2 100644
--- a/util/test/demos/vk/vk_imageless_framebuffer.cpp
+++ b/util/test/demos/vk/vk_imageless_framebuffer.cpp
@@ -177,7 +177,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       VkImageView curView = mainWindow->GetView();
diff --git a/util/test/demos/vk/vk_indirect.cpp b/util/test/demos/vk/vk_indirect.cpp
index 2ca87c51d..6696d0840 100644
--- a/util/test/demos/vk/vk_indirect.cpp
+++ b/util/test/demos/vk/vk_indirect.cpp
@@ -195,42 +195,42 @@ void main()
     const DefaultA2V vbdata[24] = {
         // non-indexed indirect draw
         {Vec3f(-0.8f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.7f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(-0.6f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.7f, 0.8f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(-0.6f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 
         // non-indexed KHR_draw_indirect_count draw
-        {Vec3f(-0.8f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, -0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(-0.7f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(-0.6f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.6f, -0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 
         // indexed indirect draw 1
-        {Vec3f(-0.6f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.5f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(-0.6f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.5f, 0.8f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 1.0f)},
         {Vec3f(-0.4f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 
         // indexed indirect draw 2
-        {Vec3f(-0.4f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.3f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(-0.2f, 0.8f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
-        {Vec3f(-0.1f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.0f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(0.1f, 0.8f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.4f, 0.5f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.3f, 0.8f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(-0.2f, 0.8f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.1f, 0.5f, 0.0f), Vec4f(0.0f, 1.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.0f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 1.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(0.1f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 
         // indexed KHR_draw_indirect_count draw 1
-        {Vec3f(-0.6f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.5f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(-0.4f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.6f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.5f, -0.2f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(-0.4f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 
         // indexed KHR_draw_indirect_count draw 2
         // empty
 
         // indexed indirect draw 3
-        {Vec3f(-0.4f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.3f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(-0.2f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
-        {Vec3f(-0.1f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.0f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(0.1f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.4f, -0.5f, 0.0f), Vec4f(0.5f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.3f, -0.2f, 0.0f), Vec4f(0.5f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(-0.2f, -0.2f, 0.0f), Vec4f(0.5f, 1.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.1f, -0.5f, 0.0f), Vec4f(0.5f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.0f, -0.2f, 0.0f), Vec4f(0.5f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(0.1f, -0.2f, 0.0f), Vec4f(0.5f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
     };
 
     AllocatedBuffer vb(this,
@@ -281,7 +281,7 @@ void main()
       setMarker(primary, "Do Clear");
 
       vkCmdClearColorImage(primary, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       {
@@ -379,6 +379,8 @@ void main()
         }
       }
 
+      setMarker(primary, "Primary: Final");
+
       vkCmdEndRenderPass(primary);
 
       vkh::cmdPipelineBarrier(
@@ -402,7 +404,7 @@ void main()
       vkBeginCommandBuffer(primary, vkh::CommandBufferBeginInfo());
 
       vkCmdClearColorImage(primary, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       VkCommandBuffer dispatch_secondary = GetCommandBuffer(VK_COMMAND_BUFFER_LEVEL_SECONDARY);
@@ -520,6 +522,8 @@ void main()
 
       vkCmdExecuteCommands(primary, 1, &draw_secondary);
 
+      setMarker(primary, "Secondary: Final");
+
       vkCmdEndRenderPass(primary);
 
       vkh::cmdPipelineBarrier(
diff --git a/util/test/demos/vk/vk_int8_ibuffer.cpp b/util/test/demos/vk/vk_int8_ibuffer.cpp
index 9deeb7b7f..d8703557e 100644
--- a/util/test/demos/vk/vk_int8_ibuffer.cpp
+++ b/util/test/demos/vk/vk_int8_ibuffer.cpp
@@ -109,23 +109,23 @@ void main()
     VkPipeline pipe = createGraphicsPipeline(pipeCreateInfo);
 
     DefaultA2V strip[] = {
-        {Vec3f(-0.8f, 0.2f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(-0.8f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.4f, 0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.4f, 0.7f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.4f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.4f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(0.0f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.0f, 0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, 0.2f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, 0.7f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.0f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, 0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, 0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
 
-        {Vec3f(-0.8f, -0.7f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.8f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.8f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(-0.4f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.4f, -0.2f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.0f, -0.7f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.4f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.0f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
         {Vec3f(0.0f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, -0.7f, 0.0f), Vec4f(1.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.4f, -0.2f, 0.0f), Vec4f(1.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, -0.7f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.4f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
     };
 
     AllocatedBuffer vb(this,
@@ -162,7 +162,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_khr_buffer_address.cpp b/util/test/demos/vk/vk_khr_buffer_address.cpp
index bf8035193..098b6c2d9 100644
--- a/util/test/demos/vk/vk_khr_buffer_address.cpp
+++ b/util/test/demos/vk/vk_khr_buffer_address.cpp
@@ -264,7 +264,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_line_raster.cpp b/util/test/demos/vk/vk_line_raster.cpp
index 64bc5dcab..37927f213 100644
--- a/util/test/demos/vk/vk_line_raster.cpp
+++ b/util/test/demos/vk/vk_line_raster.cpp
@@ -219,7 +219,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_mesh_zoo.cpp b/util/test/demos/vk/vk_mesh_zoo.cpp
index 2a26bd758..32bbaa6a1 100644
--- a/util/test/demos/vk/vk_mesh_zoo.cpp
+++ b/util/test/demos/vk/vk_mesh_zoo.cpp
@@ -209,7 +209,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_misaligned_dirty.cpp b/util/test/demos/vk/vk_misaligned_dirty.cpp
index dee2da425..5ece54098 100644
--- a/util/test/demos/vk/vk_misaligned_dirty.cpp
+++ b/util/test/demos/vk/vk_misaligned_dirty.cpp
@@ -131,7 +131,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       VkBufferCopy region = {};
diff --git a/util/test/demos/vk/vk_multi_thread_windows.cpp b/util/test/demos/vk/vk_multi_thread_windows.cpp
index 77cad0c8e..ff5809e1f 100644
--- a/util/test/demos/vk/vk_multi_thread_windows.cpp
+++ b/util/test/demos/vk/vk_multi_thread_windows.cpp
@@ -155,7 +155,7 @@ void main()
             StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL, win);
 
         vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                             vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                             vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                              vkh::ImageSubresourceRange());
 
         vkCmdBeginRenderPass(cmd, vkh::RenderPassBeginInfo(win->rp, win->GetFB(), win->scissor),
diff --git a/util/test/demos/vk/vk_overlay_test.cpp b/util/test/demos/vk/vk_overlay_test.cpp
index cc560a9ec..7c3cd1065 100644
--- a/util/test/demos/vk/vk_overlay_test.cpp
+++ b/util/test/demos/vk/vk_overlay_test.cpp
@@ -266,7 +266,7 @@ void main()
       vkh::cmdBindVertexBuffers(cmd, 0, {vb.buffer}, {0});
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_parameter_zoo.cpp b/util/test/demos/vk/vk_parameter_zoo.cpp
index f5e05238d..778082d10 100644
--- a/util/test/demos/vk/vk_parameter_zoo.cpp
+++ b/util/test/demos/vk/vk_parameter_zoo.cpp
@@ -915,7 +915,7 @@ void main()
             StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
         vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                             vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                             vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                              vkh::ImageSubresourceRange());
 
         vkEndCommandBuffer(cmd);
@@ -1100,7 +1100,7 @@ void main()
             StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
         vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                             vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                             vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                              vkh::ImageSubresourceRange());
 
         vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_resource_lifetimes.cpp b/util/test/demos/vk/vk_resource_lifetimes.cpp
index b00f01529..105b64934 100644
--- a/util/test/demos/vk/vk_resource_lifetimes.cpp
+++ b/util/test/demos/vk/vk_resource_lifetimes.cpp
@@ -85,6 +85,7 @@ void main()
   }
 
 	Color = texture(smiley, vertIn.uv.xy * 2.0f) * texture(checker, vertIn.uv.xy * 5.0f);
+  Color.w = 1.0f;
 }
 
 )EOSHADER";
@@ -202,13 +203,18 @@ void main()
 
     badcb.upload(&flags, sizeof(flags));
 
-    VkSampler sampler = VK_NULL_HANDLE;
+    VkSampler checkersampler = VK_NULL_HANDLE;
+    VkSampler smileysampler = VK_NULL_HANDLE;
 
     VkSamplerCreateInfo sampInfo = {VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO};
-    sampInfo.magFilter = VK_FILTER_LINEAR;
-    sampInfo.minFilter = VK_FILTER_LINEAR;
+    sampInfo.magFilter = VK_FILTER_NEAREST;
+    sampInfo.minFilter = VK_FILTER_NEAREST;
 
-    vkCreateSampler(device, &sampInfo, NULL, &sampler);
+    vkCreateSampler(device, &sampInfo, NULL, &checkersampler);
+
+    sampInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+
+    vkCreateSampler(device, &sampInfo, NULL, &smileysampler);
 
     auto SetupBuffer = [this]() {
       VkBuffer cb = VK_NULL_HANDLE;
@@ -378,35 +384,36 @@ void main()
           NULL, &descpool));
     }
 
-    auto SetupDescSet = [this, setlayout, descpool, sampler, smileyview](VkBuffer cb,
-                                                                         VkImageView view) {
+    auto SetupDescSet = [this, setlayout, descpool, smileysampler, checkersampler, smileyview](
+        VkBuffer cb, VkImageView view) {
       VkDescriptorSet descset = VK_NULL_HANDLE;
 
       vkAllocateDescriptorSets(device, vkh::DescriptorSetAllocateInfo(descpool, {setlayout}),
                                &descset);
 
       vkh::updateDescriptorSets(
-          device, {
-                      vkh::WriteDescriptorSet(
-                          descset, 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
-                          {
-                              vkh::DescriptorImageInfo(
-                                  smileyview, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, sampler),
-                          }),
-                      vkh::WriteDescriptorSet(
-                          descset, 1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
-                          {
-                              vkh::DescriptorImageInfo(
-                                  view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, sampler),
-                          }),
-                      vkh::WriteDescriptorSet(descset, 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
-                                              {vkh::DescriptorBufferInfo(cb)}),
-                  });
+          device,
+          {
+              vkh::WriteDescriptorSet(
+                  descset, 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+                  {
+                      vkh::DescriptorImageInfo(smileyview, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
+                                               smileysampler),
+                  }),
+              vkh::WriteDescriptorSet(
+                  descset, 1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+                  {
+                      vkh::DescriptorImageInfo(view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
+                                               checkersampler),
+                  }),
+              vkh::WriteDescriptorSet(descset, 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
+                                      {vkh::DescriptorBufferInfo(cb)}),
+          });
 
       return descset;
     };
 
-    auto TrashDescSet = [this, descpool, sampler, &badcb, badview](VkDescriptorSet descset) {
+    auto TrashDescSet = [this, descpool, checkersampler, &badcb, badview](VkDescriptorSet descset) {
 
       // update with bad data
       vkh::updateDescriptorSets(
@@ -415,13 +422,13 @@ void main()
                           descset, 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
                           {
                               vkh::DescriptorImageInfo(
-                                  badview, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, sampler),
+                                  badview, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, checkersampler),
                           }),
                       vkh::WriteDescriptorSet(
                           descset, 1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
                           {
                               vkh::DescriptorImageInfo(
-                                  badview, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, sampler),
+                                  badview, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, checkersampler),
                           }),
                       vkh::WriteDescriptorSet(descset, 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
                                               {vkh::DescriptorBufferInfo(badcb.buffer)}),
@@ -450,7 +457,7 @@ void main()
             StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
         vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                             vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                             vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                              vkh::ImageSubresourceRange());
 
         vkEndCommandBuffer(cmd);
@@ -468,6 +475,11 @@ void main()
             cmd, vkh::RenderPassBeginInfo(mainWindow->rp, mainWindow->GetFB(), mainWindow->scissor),
             VK_SUBPASS_CONTENTS_INLINE);
 
+        VkClearAttachment att = {VK_IMAGE_ASPECT_COLOR_BIT, 0,
+                                 vkh::ClearValue(0.0f, 1.0f, 0.0f, 1.0f)};
+        VkClearRect rect = {vkh::Rect2D({0, 0}, {128, 128}), 0, 1};
+        vkCmdClearAttachments(cmd, 1, &att, 1, &rect);
+
         vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
         vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, layout, 0, 1, &descset, 0,
                                 NULL);
@@ -509,6 +521,11 @@ void main()
             cmd, vkh::RenderPassBeginInfo(mainWindow->rp, mainWindow->GetFB(), mainWindow->scissor),
             VK_SUBPASS_CONTENTS_INLINE);
 
+        VkClearAttachment att = {VK_IMAGE_ASPECT_COLOR_BIT, 0,
+                                 vkh::ClearValue(0.0f, 0.0f, 1.0f, 1.0f)};
+        VkClearRect rect = {vkh::Rect2D({128, 0}, {128, 128}), 0, 1};
+        vkCmdClearAttachments(cmd, 1, &att, 1, &rect);
+
         vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
         vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, layout, 0, 1, &descset, 0,
                                 NULL);
@@ -563,7 +580,8 @@ void main()
     TrashDescSet(descset);
 
     vkDestroyDescriptorPool(device, descpool, NULL);
-    vkDestroySampler(device, sampler, NULL);
+    vkDestroySampler(device, checkersampler, NULL);
+    vkDestroySampler(device, smileysampler, NULL);
 
     return 0;
   }
diff --git a/util/test/demos/vk/vk_sample_locations.cpp b/util/test/demos/vk/vk_sample_locations.cpp
index ce8cf3abb..abd56cdbb 100644
--- a/util/test/demos/vk/vk_sample_locations.cpp
+++ b/util/test/demos/vk/vk_sample_locations.cpp
@@ -179,7 +179,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkh::cmdPipelineBarrier(
diff --git a/util/test/demos/vk/vk_secondary_cmdbuf.cpp b/util/test/demos/vk/vk_secondary_cmdbuf.cpp
index 6532ec740..701c8399b 100644
--- a/util/test/demos/vk/vk_secondary_cmdbuf.cpp
+++ b/util/test/demos/vk/vk_secondary_cmdbuf.cpp
@@ -137,12 +137,12 @@ void main()
     setName(pipe1, "Pipeline 1");
 
     const DefaultA2V TwoTris[] = {
-        {Vec3f(-0.75f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(-0.25f, 0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
-        {Vec3f(0.25f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
+        {Vec3f(-0.75f, -0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(-0.5f, 0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(-0.25f, -0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
 
-        {Vec3f(-0.25f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
-        {Vec3f(0.25f, 0.5f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
+        {Vec3f(0.25f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 0.0f)},
+        {Vec3f(0.5f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(0.0f, 1.0f)},
         {Vec3f(0.75f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
     };
 
@@ -180,11 +180,11 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(cmd, vkh::RenderPassBeginInfo(renderPass, framebuffer, size,
-                                                         {vkh::ClearValue(0.0f, 0.0f, 0.0f, 1.0f)}),
+                                                         {vkh::ClearValue(0.2f, 0.2f, 0.2f, 1.0f)}),
                            VK_SUBPASS_CONTENTS_INLINE);
 
       vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe0);
diff --git a/util/test/demos/vk/vk_shader_editing.cpp b/util/test/demos/vk/vk_shader_editing.cpp
index c02759c1e..350dc8ed4 100644
--- a/util/test/demos/vk/vk_shader_editing.cpp
+++ b/util/test/demos/vk/vk_shader_editing.cpp
@@ -129,7 +129,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdBeginRenderPass(cmd, vkh::RenderPassBeginInfo(renderPass, framebuffer, mainWindow->scissor,
-                                                         {vkh::ClearValue(0.4f, 0.5f, 0.6f, 1.0f)}),
+                                                         {vkh::ClearValue(0.2f, 0.2f, 0.2f, 1.0f)}),
                            VK_SUBPASS_CONTENTS_INLINE);
 
       VkViewport v = mainWindow->viewport;
diff --git a/util/test/demos/vk/vk_shader_isa.cpp b/util/test/demos/vk/vk_shader_isa.cpp
index d9a783d8d..45c523e97 100644
--- a/util/test/demos/vk/vk_shader_isa.cpp
+++ b/util/test/demos/vk/vk_shader_isa.cpp
@@ -121,7 +121,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkh::cmdPipelineBarrier(
@@ -131,7 +131,7 @@ void main()
                });
 
       vkCmdClearColorImage(cmd, offimg.image, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_simple_triangle.cpp b/util/test/demos/vk/vk_simple_triangle.cpp
index be9554f7c..97fbb71d9 100644
--- a/util/test/demos/vk/vk_simple_triangle.cpp
+++ b/util/test/demos/vk/vk_simple_triangle.cpp
@@ -121,7 +121,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkh::cmdPipelineBarrier(
@@ -131,7 +131,7 @@ void main()
                });
 
       vkCmdClearColorImage(cmd, offimg.image, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_spec_constants.cpp b/util/test/demos/vk/vk_spec_constants.cpp
index bb81c3f29..805709eeb 100644
--- a/util/test/demos/vk/vk_spec_constants.cpp
+++ b/util/test/demos/vk/vk_spec_constants.cpp
@@ -146,7 +146,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_spirv_13_shaders.cpp b/util/test/demos/vk/vk_spirv_13_shaders.cpp
index 1a5bbbe02..97910331d 100644
--- a/util/test/demos/vk/vk_spirv_13_shaders.cpp
+++ b/util/test/demos/vk/vk_spirv_13_shaders.cpp
@@ -110,7 +110,7 @@ void fragmain(in float4 incol : COL, out float4 ocol : SV_Target0)
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_structured_buffer_nested.cpp b/util/test/demos/vk/vk_structured_buffer_nested.cpp
index 7de945314..5f6c75fd2 100644
--- a/util/test/demos/vk/vk_structured_buffer_nested.cpp
+++ b/util/test/demos/vk/vk_structured_buffer_nested.cpp
@@ -277,7 +277,7 @@ float4 main() : SV_Target0
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkh::cmdPipelineBarrier(
diff --git a/util/test/demos/vk/vk_texture_zoo.cpp b/util/test/demos/vk/vk_texture_zoo.cpp
index 5fbd70e1b..92a2fd451 100644
--- a/util/test/demos/vk/vk_texture_zoo.cpp
+++ b/util/test/demos/vk/vk_texture_zoo.cpp
@@ -1417,7 +1417,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdBeginRenderPass(cmd, vkh::RenderPassBeginInfo(rp, framebuffer, mainWindow->scissor,
-                                                         {vkh::ClearValue(0.4f, 0.5f, 0.6f, 1.0f)}),
+                                                         {vkh::ClearValue(0.2f, 0.2f, 0.2f, 1.0f)}),
                            VK_SUBPASS_CONTENTS_INLINE);
 
       VkViewport view = {0.0f, 0.0f, 10.0f, 10.0f, 0.0f, 1.0f};
diff --git a/util/test/demos/vk/vk_triangle_fan.cpp b/util/test/demos/vk/vk_triangle_fan.cpp
index d0da412dd..a0978e4bc 100644
--- a/util/test/demos/vk/vk_triangle_fan.cpp
+++ b/util/test/demos/vk/vk_triangle_fan.cpp
@@ -153,7 +153,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_truncated_cbuffer.cpp b/util/test/demos/vk/vk_truncated_cbuffer.cpp
index 210a4b037..abc97f816 100644
--- a/util/test/demos/vk/vk_truncated_cbuffer.cpp
+++ b/util/test/demos/vk/vk_truncated_cbuffer.cpp
@@ -154,7 +154,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_vertex_attr_zoo.cpp b/util/test/demos/vk/vk_vertex_attr_zoo.cpp
index 8bebe230a..c31921c64 100644
--- a/util/test/demos/vk/vk_vertex_attr_zoo.cpp
+++ b/util/test/demos/vk/vk_vertex_attr_zoo.cpp
@@ -393,7 +393,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_video_textures.cpp b/util/test/demos/vk/vk_video_textures.cpp
index ea3baf7c4..a04201af2 100644
--- a/util/test/demos/vk/vk_video_textures.cpp
+++ b/util/test/demos/vk/vk_video_textures.cpp
@@ -911,7 +911,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/demos/vk/vk_vs_max_desc_set.cpp b/util/test/demos/vk/vk_vs_max_desc_set.cpp
index 4afc2f0c6..44793ce91 100644
--- a/util/test/demos/vk/vk_vs_max_desc_set.cpp
+++ b/util/test/demos/vk/vk_vs_max_desc_set.cpp
@@ -229,7 +229,7 @@ void main()
           StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
 
       vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
-                           vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
                            vkh::ImageSubresourceRange());
 
       vkCmdBeginRenderPass(
diff --git a/util/test/rdtest/testcase.py b/util/test/rdtest/testcase.py
index 8908bb2d6..c6bdde628 100644
--- a/util/test/rdtest/testcase.py
+++ b/util/test/rdtest/testcase.py
@@ -308,11 +308,28 @@ class TestCase:
         if type(y) is float:
             y = int((tex_details.height-1) * y)
 
-        picked: rd.PixelValue = self.controller.PickPixel(tex, x, y, rd.Subresource(0, 0, 0), rd.CompType.Typeless)
+        cast = rd.CompType.Typeless
+        if tex_details.creationFlags & rd.TextureCategory.SwapBuffer:
+            cast = rd.CompType.UNormSRGB
+
+        # Reduce epsilon for RGBA8 textures if it's not already reduced
+        if tex_details.format.compByteWidth == 1 and eps == util.FLT_EPSILON:
+            eps = (1.0 / 255.0)
+
+        picked: rd.PixelValue = self.controller.PickPixel(tex, x, y, rd.Subresource(0, 0, 0), cast)
 
         if not util.value_compare(picked.floatValue, value, eps):
+            save_data = rd.TextureSave()
+            save_data.resourceId = tex
+            save_data.destType = rd.FileType.PNG
+
+            img_path = util.get_tmp_path('output.png')
+
+            self.controller.SaveTexture(save_data, img_path)
+
             raise TestFailureException(
-                "Picked value {} at {},{} doesn't match expectation of {}".format(picked.floatValue, x, y, value))
+                "Picked value {} at {},{} doesn't match expectation of {}".format(picked.floatValue, x, y, value),
+                img_path)
 
         log.success("Picked value at {},{} in {} is as expected".format(x, y, res_details.name))
 
@@ -331,17 +348,17 @@ class TestCase:
         if fore is None:
             fore = [0.0, 1.0, 0.0, 1.0]
         if vp is None:
-            vp = (float(tex_details.width), float(tex_details.height), 0.0, 0.0)
+            vp = (0.0, 0.0, float(tex_details.width), float(tex_details.height))
 
-        self.check_pixel_value(out, int(0.5*vp[0]+vp[2]), int(0.5*vp[1]+vp[3]), fore)
-        self.check_pixel_value(out, int(0.5*vp[0]+vp[2]), int(0.3*vp[1]+vp[3]), fore)
-        self.check_pixel_value(out, int(0.3*vp[0]+vp[2]), int(0.7*vp[1]+vp[3]), fore)
-        self.check_pixel_value(out, int(0.7*vp[0]+vp[2]), int(0.7*vp[1]+vp[3]), fore)
+        self.check_pixel_value(out, int(0.5*vp[2]+vp[0]), int(0.5*vp[3]+vp[1]), fore)
+        self.check_pixel_value(out, int(0.5*vp[2]+vp[0]), int(0.3*vp[3]+vp[1]), fore)
+        self.check_pixel_value(out, int(0.3*vp[2]+vp[0]), int(0.7*vp[3]+vp[1]), fore)
+        self.check_pixel_value(out, int(0.7*vp[2]+vp[0]), int(0.7*vp[3]+vp[1]), fore)
 
-        self.check_pixel_value(out, int(0.3*vp[0]+vp[2]), int(0.5*vp[1]+vp[3]), back)
-        self.check_pixel_value(out, int(0.7*vp[0]+vp[2]), int(0.5*vp[1]+vp[3]), back)
-        self.check_pixel_value(out, int(0.5*vp[0]+vp[2]), int(0.8*vp[1]+vp[3]), back)
-        self.check_pixel_value(out, int(0.5*vp[0]+vp[2]), int(0.2*vp[1]+vp[3]), back)
+        self.check_pixel_value(out, int(0.3*vp[2]+vp[0]), int(0.5*vp[3]+vp[1]), back)
+        self.check_pixel_value(out, int(0.7*vp[2]+vp[0]), int(0.5*vp[3]+vp[1]), back)
+        self.check_pixel_value(out, int(0.5*vp[2]+vp[0]), int(0.8*vp[3]+vp[1]), back)
+        self.check_pixel_value(out, int(0.5*vp[2]+vp[0]), int(0.2*vp[3]+vp[1]), back)
 
         log.success("Simple triangle is as expected")
 
diff --git a/util/test/tests/D3D11/D3D11_Overlay_Test.py b/util/test/tests/D3D11/D3D11_Overlay_Test.py
index 797e8a212..a9e8f194e 100644
--- a/util/test/tests/D3D11/D3D11_Overlay_Test.py
+++ b/util/test/tests/D3D11/D3D11_Overlay_Test.py
@@ -35,8 +35,6 @@ class D3D11_Overlay_Test(rdtest.TestCase):
         rdtest.log.success("Reference and output image are identical for {}".format(test_name))
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
@@ -50,6 +48,34 @@ class D3D11_Overlay_Test(rdtest.TestCase):
         tex = rd.TextureDisplay()
         tex.resourceId = pipe.GetOutputTargets()[0].resourceId
 
+        # Check the actual output is as expected first.
+
+        # Background around the outside
+        self.check_pixel_value(tex.resourceId, 0.1, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.95, [0.2, 0.2, 0.2, 1.0])
+
+        # Large dark grey triangle
+        self.check_pixel_value(tex.resourceId, 0.5, 0.1, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.2, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.9, [0.1, 0.1, 0.1, 1.0])
+
+        # Red upper half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.4, [1.0, 0.0, 0.0, 1.0])
+        # Blue lower half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.6, [0.0, 0.0, 1.0, 1.0])
+
+        # Floating clipped triangle
+        self.check_pixel_value(tex.resourceId, 335, 140, [0.0, 0.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 340, 140, [0.2, 0.2, 0.2, 1.0])
+
+        # Triangle size triangles
+        self.check_pixel_value(tex.resourceId, 200, 51, [1.0, 0.5, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 65, [1.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 79, [0.0, 1.0, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 93, [0.0, 1.0, 0.0, 1.0])
+
         for overlay in rd.DebugOverlay:
             if overlay == rd.DebugOverlay.NoOverlay:
                 continue
diff --git a/util/test/tests/D3D11/D3D11_Primitive_Restart.py b/util/test/tests/D3D11/D3D11_Primitive_Restart.py
index f5c680e0f..d99d5a13b 100644
--- a/util/test/tests/D3D11/D3D11_Primitive_Restart.py
+++ b/util/test/tests/D3D11/D3D11_Primitive_Restart.py
@@ -6,8 +6,6 @@ class D3D11_Primitive_Restart(rdtest.TestCase):
     demos_test_name = 'D3D11_Primitive_Restart'
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         draw = self.find_draw("Draw")
 
         self.check(draw is not None)
@@ -27,7 +25,7 @@ class D3D11_Primitive_Restart(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'SV_POSITION': [-0.8, 0.2, 0.0, 1.0],
-                'COLOR': [1.0, 0.0, 0.0, 1.0],
+                'COLOR': [0.0, 1.0, 0.0, 1.0],
                 'TEXCOORD': [0.0, 0.0],
             },
             4: {
@@ -44,7 +42,7 @@ class D3D11_Primitive_Restart(rdtest.TestCase):
                 'vtx': 9,
                 'idx': 8,
                 'SV_POSITION': [-0.8, -0.7, 0.0, 1.0],
-                'COLOR': [1.0, 0.0, 0.0, 1.0],
+                'COLOR': [0.0, 0.0, 1.0, 1.0],
                 'TEXCOORD': [0.0, 0.0],
             },
         }
@@ -63,3 +61,17 @@ class D3D11_Primitive_Restart(rdtest.TestCase):
         # Data should be identical
 
         self.check_mesh_data(postvs_ref, postvs_data)
+
+        # Check that the rendered mesh is as expected
+        out = pipe.GetOutputTargets()[0].resourceId
+        for x in [x*0.01 for x in range(1, 100)]:
+            self.check_pixel_value(out, x, 0.1, [0.2, 0.2, 0.2, 1.0])
+            self.check_pixel_value(out, x, 0.5, [0.2, 0.2, 0.2, 1.0])
+
+        self.check_pixel_value(out, 0.3, 0.25, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.5, 0.25, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.7, 0.25, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.3, 0.75, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(out, 0.5, 0.75, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(out, 0.7, 0.75, [0.0, 0.0, 1.0, 1.0])
+
diff --git a/util/test/tests/D3D11/D3D11_Resource_Lifetimes.py b/util/test/tests/D3D11/D3D11_Resource_Lifetimes.py
index 8d4b0de2a..5e017dd81 100644
--- a/util/test/tests/D3D11/D3D11_Resource_Lifetimes.py
+++ b/util/test/tests/D3D11/D3D11_Resource_Lifetimes.py
@@ -7,7 +7,50 @@ class D3D11_Resource_Lifetimes(rdtest.TestCase):
     demos_frame_cap = 200
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        tex = last_draw.copyDestination
+
+        # green background around first triangle, blue around second
+        self.check_pixel_value(tex, 10, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 118, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 10, 118, [0.0, 1.0, 0.0, 1.0])
+
+        self.check_pixel_value(tex, 138, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 118, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 138, 118, [0.0, 0.0, 1.0, 1.0])
+
+        # Sample across each triangle, we expect things to be identical
+        for xoffs in [0, 128]:
+            # Check black checkerboard squares
+            self.check_pixel_value(tex, xoffs+42, 92, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+40, 85, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+68, 66, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+59, 47, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+81, 92, [0.0, 0.0, 0.0, 1.0])
+
+            # Check the red and green eyes of the smiley
+            self.check_pixel_value(tex, xoffs+49, 83, [1.0, 0.0, 0.09, 1.0])
+            self.check_pixel_value(tex, xoffs+60, 83, [0.0, 1.0, 0.09, 1.0])
+
+            # Check the blue smile
+            self.check_pixel_value(tex, xoffs+64, 72, [0.09, 0.0, 1.0, 1.0])
+
+            # Check the orange face
+            self.check_pixel_value(tex, xoffs+46, 86, [1.0, 0.55, 0.36, 1.0])
+
+            # Check the empty space where we clamped and didn't repeat
+            self.check_pixel_value(tex, xoffs+82, 79, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+84, 86, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+88, 92, [0.72, 1.0, 1.0, 1.0])
+
+            # Check that the repeated smiley above is there
+            self.check_pixel_value(tex, xoffs+67, 53, [0.91, 0.636, 0.36, 1.0])
+            self.check_pixel_value(tex, xoffs+65, 50, [1.0, 0.0, 0.09, 1.0])
 
         # Check for resource leaks
         if len(self.controller.GetResources()) > 75:
diff --git a/util/test/tests/D3D11/D3D11_Shader_Editing.py b/util/test/tests/D3D11/D3D11_Shader_Editing.py
index 156872cd5..5b1f0e948 100644
--- a/util/test/tests/D3D11/D3D11_Shader_Editing.py
+++ b/util/test/tests/D3D11/D3D11_Shader_Editing.py
@@ -110,8 +110,8 @@ class D3D11_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(eid, True)
 
         # Original sample positions are now the clear color
-        self.check_pixel_value(tex, 0.25, 0.5, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.5, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.5, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.5, [0.2, 0.2, 0.2, 1.0])
 
         # Triangles have green and blue channel
         self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 1.0, 1.0])
@@ -124,8 +124,8 @@ class D3D11_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(eid, True)
 
         # Original sample positions are still the clear color
-        self.check_pixel_value(tex, 0.25, 0.5, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.5, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.5, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.5, [0.2, 0.2, 0.2, 1.0])
 
         # The right triangle is the edited colour, the other two have reverted to green channel only
         self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 0.0, 1.0])
diff --git a/util/test/tests/D3D11/D3D11_Simple_Triangle.py b/util/test/tests/D3D11/D3D11_Simple_Triangle.py
index d777db434..c6a336d9f 100644
--- a/util/test/tests/D3D11/D3D11_Simple_Triangle.py
+++ b/util/test/tests/D3D11/D3D11_Simple_Triangle.py
@@ -6,7 +6,11 @@ class D3D11_Simple_Triangle(rdtest.TestCase):
     demos_test_name = 'D3D11_Simple_Triangle'
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        self.check_triangle(out=last_draw.copyDestination)
 
         self.check_export(self.capture_filename)
 
@@ -21,7 +25,7 @@ class D3D11_Simple_Triangle(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'SV_POSITION': [-0.5, -0.5, 0.0, 1.0],
-                'COLOR': [1.0, 0.0, 0.0, 1.0],
+                'COLOR': [0.0, 1.0, 0.0, 1.0],
                 'TEXCOORD': [0.0, 0.0],
             },
             1: {
@@ -35,7 +39,7 @@ class D3D11_Simple_Triangle(rdtest.TestCase):
                 'vtx': 2,
                 'idx': 2,
                 'SV_POSITION': [0.5, -0.5, 0.0, 1.0],
-                'COLOR': [0.0, 0.0, 1.0, 1.0],
+                'COLOR': [0.0, 1.0, 0.0, 1.0],
                 'TEXCOORD': [1.0, 0.0],
             },
         }
diff --git a/util/test/tests/D3D12/D3D12_Execute_Indirect.py b/util/test/tests/D3D12/D3D12_Execute_Indirect.py
index 3d9f606ca..6212df069 100644
--- a/util/test/tests/D3D12/D3D12_Execute_Indirect.py
+++ b/util/test/tests/D3D12/D3D12_Execute_Indirect.py
@@ -10,17 +10,5 @@ class D3D12_Execute_Indirect(rdtest.TestCase):
 
         self.controller.SetFrameEvent(draw.eventId, False)
 
-        pipe: rd.PipeState = self.controller.GetPipelineState()
-
-        # Should be a green triangle in the centre of the screen
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.5, 0.5, [0.0, 1.0, 0.0, 1.0])
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.5, 0.3, [0.0, 1.0, 0.0, 1.0])
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.3, 0.7, [0.0, 1.0, 0.0, 1.0])
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.7, 0.7, [0.0, 1.0, 0.0, 1.0])
-
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.3, 0.5, [1.0, 0.0, 0.0, 1.0])
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.7, 0.5, [1.0, 0.0, 0.0, 1.0])
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.5, 0.8, [1.0, 0.0, 0.0, 1.0])
-        self.check_pixel_value(pipe.GetOutputTargets()[0].resourceId, 0.5, 0.2, [1.0, 0.0, 0.0, 1.0])
-
-        rdtest.log.success("Picked values are as expected")
\ No newline at end of file
+        # Should be a green triangle in the centre of the screen on a red background
+        self.check_triangle(back=[1.0, 0.0, 0.0, 1.0])
\ No newline at end of file
diff --git a/util/test/tests/D3D12/D3D12_Overlay_Test.py b/util/test/tests/D3D12/D3D12_Overlay_Test.py
index 4a32df050..0ef3c05f3 100644
--- a/util/test/tests/D3D12/D3D12_Overlay_Test.py
+++ b/util/test/tests/D3D12/D3D12_Overlay_Test.py
@@ -35,8 +35,6 @@ class D3D12_Overlay_Test(rdtest.TestCase):
         rdtest.log.success("Reference and output image are identical for {}".format(test_name))
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
@@ -50,6 +48,34 @@ class D3D12_Overlay_Test(rdtest.TestCase):
         tex = rd.TextureDisplay()
         tex.resourceId = pipe.GetOutputTargets()[0].resourceId
 
+        # Check the actual output is as expected first.
+
+        # Background around the outside
+        self.check_pixel_value(tex.resourceId, 0.1, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.95, [0.2, 0.2, 0.2, 1.0])
+
+        # Large dark grey triangle
+        self.check_pixel_value(tex.resourceId, 0.5, 0.1, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.2, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.9, [0.1, 0.1, 0.1, 1.0])
+
+        # Red upper half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.4, [1.0, 0.0, 0.0, 1.0])
+        # Blue lower half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.6, [0.0, 0.0, 1.0, 1.0])
+
+        # Floating clipped triangle
+        self.check_pixel_value(tex.resourceId, 335, 140, [0.0, 0.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 340, 140, [0.2, 0.2, 0.2, 1.0])
+
+        # Triangle size triangles
+        self.check_pixel_value(tex.resourceId, 200, 51, [1.0, 0.5, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 65, [1.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 79, [0.0, 1.0, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 93, [0.0, 1.0, 0.0, 1.0])
+
         for overlay in rd.DebugOverlay:
             if overlay == rd.DebugOverlay.NoOverlay:
                 continue
@@ -71,6 +97,7 @@ class D3D12_Overlay_Test(rdtest.TestCase):
             save_data = rd.TextureSave()
             save_data.resourceId = out.GetDebugOverlayTexID()
             save_data.destType = rd.FileType.PNG
+            save_data.typeCast = rd.CompType.Typeless
 
             save_data.comp.blackPoint = 0.0
             save_data.comp.whitePoint = 1.0
@@ -85,6 +112,7 @@ class D3D12_Overlay_Test(rdtest.TestCase):
             # These overlays modify the underlying texture, so we need to save it out instead of the overlay
             if overlay == rd.DebugOverlay.ClearBeforeDraw or overlay == rd.DebugOverlay.ClearBeforePass:
                 save_data.resourceId = tex.resourceId
+                save_data.typeCast = rd.CompType.UNormSRGB
 
             self.controller.SaveTexture(save_data, overlay_path)
 
diff --git a/util/test/tests/D3D12/D3D12_Resource_Lifetimes.py b/util/test/tests/D3D12/D3D12_Resource_Lifetimes.py
index dba07d4ff..89f0ff45e 100644
--- a/util/test/tests/D3D12/D3D12_Resource_Lifetimes.py
+++ b/util/test/tests/D3D12/D3D12_Resource_Lifetimes.py
@@ -7,7 +7,50 @@ class D3D12_Resource_Lifetimes(rdtest.TestCase):
     demos_frame_cap = 200
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        tex = last_draw.copyDestination
+
+        # green background around first triangle, blue around second
+        self.check_pixel_value(tex, 10, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 118, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 10, 118, [0.0, 1.0, 0.0, 1.0])
+
+        self.check_pixel_value(tex, 138, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 118, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 138, 118, [0.0, 0.0, 1.0, 1.0])
+
+        # Sample across each triangle, we expect things to be identical
+        for xoffs in [0, 128]:
+            # Check black checkerboard squares
+            self.check_pixel_value(tex, xoffs+42, 92, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+40, 85, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+68, 66, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+59, 47, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+81, 92, [0.0, 0.0, 0.0, 1.0])
+
+            # Check the red and green eyes of the smiley
+            self.check_pixel_value(tex, xoffs+49, 83, [1.0, 0.0, 0.09, 1.0])
+            self.check_pixel_value(tex, xoffs+60, 83, [0.0, 1.0, 0.09, 1.0])
+
+            # Check the blue smile
+            self.check_pixel_value(tex, xoffs+64, 72, [0.09, 0.0, 1.0, 1.0])
+
+            # Check the orange face
+            self.check_pixel_value(tex, xoffs+46, 86, [1.0, 0.55, 0.36, 1.0])
+
+            # Check the empty space where we clamped and didn't repeat
+            self.check_pixel_value(tex, xoffs+82, 79, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+84, 86, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+88, 92, [0.72, 1.0, 1.0, 1.0])
+
+            # Check that the repeated smiley above is there
+            self.check_pixel_value(tex, xoffs+67, 53, [0.91, 0.636, 0.36, 1.0])
+            self.check_pixel_value(tex, xoffs+65, 50, [1.0, 0.0, 0.09, 1.0])
 
         # Check for resource leaks
         if len(self.controller.GetResources()) > 75:
diff --git a/util/test/tests/D3D12/D3D12_Shader_Editing.py b/util/test/tests/D3D12/D3D12_Shader_Editing.py
index 1c20acf5d..bab2c430e 100644
--- a/util/test/tests/D3D12/D3D12_Shader_Editing.py
+++ b/util/test/tests/D3D12/D3D12_Shader_Editing.py
@@ -112,8 +112,8 @@ class D3D12_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(eid, True)
 
         # Original sample positions are now the clear color
-        self.check_pixel_value(tex, 0.25, 0.5, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.5, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.5, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.5, [0.2, 0.2, 0.2, 1.0])
 
         # Triangles have green and blue channel
         self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 1.0, 1.0])
@@ -126,8 +126,8 @@ class D3D12_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(eid, True)
 
         # Original sample positions are still the clear color
-        self.check_pixel_value(tex, 0.25, 0.5, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.5, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.5, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.5, [0.2, 0.2, 0.2, 1.0])
 
         # The right triangle is the edited colour, the other two have reverted to green channel only
         self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 0.0, 1.0])
diff --git a/util/test/tests/D3D12/D3D12_Simple_Triangle.py b/util/test/tests/D3D12/D3D12_Simple_Triangle.py
index 3f520ba04..85d8d5869 100644
--- a/util/test/tests/D3D12/D3D12_Simple_Triangle.py
+++ b/util/test/tests/D3D12/D3D12_Simple_Triangle.py
@@ -6,7 +6,11 @@ class D3D12_Simple_Triangle(rdtest.TestCase):
     demos_test_name = 'D3D12_Simple_Triangle'
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        self.check_triangle(out=last_draw.copyDestination)
 
         self.check_export(self.capture_filename)
 
@@ -21,7 +25,7 @@ class D3D12_Simple_Triangle(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'SV_POSITION': [-0.5, -0.5, 0.0, 1.0],
-                'COLOR': [1.0, 0.0, 0.0, 1.0],
+                'COLOR': [0.0, 1.0, 0.0, 1.0],
                 'TEXCOORD': [0.0, 0.0],
             },
             1: {
@@ -35,7 +39,7 @@ class D3D12_Simple_Triangle(rdtest.TestCase):
                 'vtx': 2,
                 'idx': 2,
                 'SV_POSITION': [0.5, -0.5, 0.0, 1.0],
-                'COLOR': [0.0, 0.0, 1.0, 1.0],
+                'COLOR': [0.0, 1.0, 0.0, 1.0],
                 'TEXCOORD': [1.0, 0.0],
             },
         }
diff --git a/util/test/tests/GL/GL_DX_Interop.py b/util/test/tests/GL/GL_DX_Interop.py
index 8331eb61b..8496e2615 100644
--- a/util/test/tests/GL/GL_DX_Interop.py
+++ b/util/test/tests/GL/GL_DX_Interop.py
@@ -1,10 +1,35 @@
+import renderdoc as rd
 import rdtest
 
 
 class GL_DX_Interop(rdtest.TestCase):
     demos_test_name = 'GL_DX_Interop'
-    demos_frame_cap = 7
+    demos_frame_cap = 4
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
 
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        out = last_draw.copyDestination
+
+        # There should be N+1 rings of green/red with the base colour in the middle
+        x,y = 1.0, 1.0
+        for ring in range(self.demos_frame_cap+1):
+            self.check_pixel_value(out, (0.5 - 0.5 * x) + 0.01, (0.5 - 0.5 * y) + 0.01, [1.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(out, (0.5 - 0.5 * x) + 0.01, (0.5 + 0.5 * y) - 0.01, [1.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(out, (0.5 + 0.5 * x) - 0.01, (0.5 - 0.5 * y) + 0.01, [1.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(out, (0.5 + 0.5 * x) - 0.01, (0.5 + 0.5 * y) - 0.01, [1.0, 0.0, 0.0, 1.0])
+
+            x *= 0.8
+            y *= 0.8
+
+            self.check_pixel_value(out, (0.5 - 0.5 * x) + 0.01, (0.5 - 0.5 * y) + 0.01, [0.0, 1.0, 0.0, 1.0])
+            self.check_pixel_value(out, (0.5 - 0.5 * x) + 0.01, (0.5 + 0.5 * y) - 0.01, [0.0, 1.0, 0.0, 1.0])
+            self.check_pixel_value(out, (0.5 + 0.5 * x) - 0.01, (0.5 - 0.5 * y) + 0.01, [0.0, 1.0, 0.0, 1.0])
+            self.check_pixel_value(out, (0.5 + 0.5 * x) - 0.01, (0.5 + 0.5 * y) - 0.01, [0.0, 1.0, 0.0, 1.0])
+
+            x *= 0.8
+            y *= 0.8
+
+        self.check_pixel_value(out, 0.5, 0.5, [0.2, 0.2, 0.2, 1.0])
diff --git a/util/test/tests/GL/GL_Overlay_Test.py b/util/test/tests/GL/GL_Overlay_Test.py
index f82174510..de3582877 100644
--- a/util/test/tests/GL/GL_Overlay_Test.py
+++ b/util/test/tests/GL/GL_Overlay_Test.py
@@ -35,8 +35,6 @@ class GL_Overlay_Test(rdtest.TestCase):
         rdtest.log.success("Reference and output image are identical for {}".format(test_name))
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
@@ -50,6 +48,34 @@ class GL_Overlay_Test(rdtest.TestCase):
         tex = rd.TextureDisplay()
         tex.resourceId = pipe.GetOutputTargets()[0].resourceId
 
+        # Check the actual output is as expected first.
+
+        # Background around the outside
+        self.check_pixel_value(tex.resourceId, 0.1, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.95, [0.2, 0.2, 0.2, 1.0])
+
+        # Large dark grey triangle
+        self.check_pixel_value(tex.resourceId, 0.5, 0.1, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.2, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.9, [0.1, 0.1, 0.1, 1.0])
+
+        # Red upper half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.4, [1.0, 0.0, 0.0, 1.0])
+        # Blue lower half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.6, [0.0, 0.0, 1.0, 1.0])
+
+        # Floating clipped triangle
+        self.check_pixel_value(tex.resourceId, 335, 140, [0.0, 0.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 340, 140, [0.2, 0.2, 0.2, 1.0])
+
+        # Triangle size triangles
+        self.check_pixel_value(tex.resourceId, 200, 51, [1.0, 0.5, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 65, [1.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 79, [0.0, 1.0, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 93, [0.0, 1.0, 0.0, 1.0])
+
         for overlay in rd.DebugOverlay:
             if overlay == rd.DebugOverlay.NoOverlay:
                 continue
diff --git a/util/test/tests/GL/GL_Parameter_Zoo.py b/util/test/tests/GL/GL_Parameter_Zoo.py
index f60d4e301..e3333a4f8 100644
--- a/util/test/tests/GL/GL_Parameter_Zoo.py
+++ b/util/test/tests/GL/GL_Parameter_Zoo.py
@@ -60,7 +60,7 @@ class GL_Parameter_Zoo(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'gl_Position': [-0.5, -0.5, 0.0, 1.0],
-                'v2fcol': [1.0, 0.0, 0.0, 1.0],
+                'v2fcol': [0.0, 1.0, 0.0, 1.0],
             },
             1: {
                 'vtx': 1,
@@ -72,7 +72,7 @@ class GL_Parameter_Zoo(rdtest.TestCase):
                 'vtx': 2,
                 'idx': 2,
                 'gl_Position': [0.5, -0.5, 0.0, 1.0],
-                'v2fcol': [0.0, 0.0, 1.0, 1.0],
+                'v2fcol': [0.0, 1.0, 0.0, 1.0],
             },
         }
 
diff --git a/util/test/tests/GL/GL_Resource_Lifetimes.py b/util/test/tests/GL/GL_Resource_Lifetimes.py
index d7a702cfe..6d00d54b0 100644
--- a/util/test/tests/GL/GL_Resource_Lifetimes.py
+++ b/util/test/tests/GL/GL_Resource_Lifetimes.py
@@ -7,7 +7,50 @@ class GL_Resource_Lifetimes(rdtest.TestCase):
     demos_frame_cap = 200
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        tex = last_draw.copyDestination
+
+        # green background around first triangle, blue around second
+        self.check_pixel_value(tex, 10, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 118, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 10, 118, [0.0, 1.0, 0.0, 1.0])
+
+        self.check_pixel_value(tex, 138, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 118, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 138, 118, [0.0, 0.0, 1.0, 1.0])
+
+        # Sample across each triangle, we expect things to be identical
+        for xoffs in [0, 128]:
+            # Check black checkerboard squares
+            self.check_pixel_value(tex, xoffs+42, 92, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+40, 85, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+68, 66, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+59, 47, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+81, 92, [0.0, 0.0, 0.0, 1.0])
+
+            # Check the red and green eyes of the smiley
+            self.check_pixel_value(tex, xoffs+49, 83, [1.0, 0.0, 0.09, 1.0])
+            self.check_pixel_value(tex, xoffs+60, 83, [0.0, 1.0, 0.09, 1.0])
+
+            # Check the blue smile
+            self.check_pixel_value(tex, xoffs+64, 72, [0.09, 0.0, 1.0, 1.0])
+
+            # Check the orange face
+            self.check_pixel_value(tex, xoffs+46, 86, [1.0, 0.55, 0.36, 1.0])
+
+            # Check the empty space where we clamped and didn't repeat
+            self.check_pixel_value(tex, xoffs+82, 79, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+84, 86, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+88, 92, [0.72, 1.0, 1.0, 1.0])
+
+            # Check that the repeated smiley above is there
+            self.check_pixel_value(tex, xoffs+67, 53, [0.91, 0.636, 0.36, 1.0])
+            self.check_pixel_value(tex, xoffs+65, 50, [1.0, 0.0, 0.09, 1.0])
 
         # Check for resource leaks
         if len(self.controller.GetResources()) > 75:
diff --git a/util/test/tests/GL/GL_Separable_Geometry_Shaders.py b/util/test/tests/GL/GL_Separable_Geometry_Shaders.py
index 189849cb0..6b8f08a53 100644
--- a/util/test/tests/GL/GL_Separable_Geometry_Shaders.py
+++ b/util/test/tests/GL/GL_Separable_Geometry_Shaders.py
@@ -17,7 +17,7 @@ class GL_Separable_Geometry_Shaders(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'gl_Position': [-0.5, -0.5, 0.0, 1.0],
-                'v2f_block.col': [1.0, 0.0, 0.0, 1.0],
+                'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                 'v2f_block.uv': [0.0, 0.0, 0.0, 1.0],
             },
             1: {
@@ -31,7 +31,7 @@ class GL_Separable_Geometry_Shaders(rdtest.TestCase):
                 'vtx': 2,
                 'idx': 2,
                 'gl_Position': [0.5, -0.5, 0.0, 1.0],
-                'v2f_block.col': [0.0, 0.0, 1.0, 1.0],
+                'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                 'v2f_block.uv': [1.0, 0.0, 0.0, 1.0],
             },
         }
@@ -45,7 +45,7 @@ class GL_Separable_Geometry_Shaders(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'gl_Position': [0.2, -0.5, 0.0, 1.0],
-                'v2f_block.col': [1.0, 0.0, 0.0, 1.0],
+                'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                 'v2f_block.uv': [0.0, 0.0, 0.0, 1.0],
             },
             1: {
@@ -66,16 +66,23 @@ class GL_Separable_Geometry_Shaders(rdtest.TestCase):
                 'vtx': 5,
                 'idx': 5,
                 'gl_Position': [-0.2, -0.5, 0.0, 1.0],
-                'v2f_block.col': [1.0, 1.0, 0.0, 0.0],
+                'v2f_block.col': [1.0, 0.0, 1.0, 0.0],
                 'v2f_block.uv': [1.0, 0.0, 0.0, 1.0],
             },
             8: {
                 'vtx': 8,
                 'idx': 8,
                 'gl_Position': [0.5, 0.2, 0.0, 1.0],
-                'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
+                'v2f_block.col': [1.0, 0.0, 0.0, 1.0],
                 'v2f_block.uv': [1.0, 0.0, 0.0, 1.0],
             },
         }
 
         self.check_mesh_data(postgs_ref, postgs_data)
+
+        pipe: rd.PipeState = self.controller.GetPipelineState()
+
+        out = pipe.GetOutputTargets()[0].resourceId
+        self.check_pixel_value(out, 0.5, 0.1, [1.0, 0.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.75, 0.5, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.25, 0.5, [1.0, 0.0, 1.0, 0.0])
diff --git a/util/test/tests/GL/GL_Shader_Editing.py b/util/test/tests/GL/GL_Shader_Editing.py
index 7461f31be..79f537128 100644
--- a/util/test/tests/GL/GL_Shader_Editing.py
+++ b/util/test/tests/GL/GL_Shader_Editing.py
@@ -144,9 +144,9 @@ class GL_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
 
         # Original sample positions are now the clear color
-        self.check_pixel_value(tex, 0.25, 0.25, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.25, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.25, 0.75, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.25, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.25, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.75, [0.2, 0.2, 0.2, 1.0])
 
         # The triangles are still the same colour but up and to the right
         self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 1.0, 1.0])
@@ -160,9 +160,9 @@ class GL_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
 
         # Original sample positions are still the clear color
-        self.check_pixel_value(tex, 0.25, 0.25, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.25, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.25, 0.75, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.25, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.25, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.75, [0.2, 0.2, 0.2, 1.0])
 
         # The lower triangle is the edited colour, the other two have reverted to green channel only
         self.check_pixel_value(tex, 0.45, 0.05, [0.0, 1.0, 0.0, 1.0])
@@ -210,14 +210,14 @@ class GL_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
 
         # Now it should be green-blue and offset
-        self.check_pixel_value(tex, 0.75, 0.75, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.75, [0.2, 0.2, 0.2, 1.0])
         self.check_pixel_value(tex, 0.95, 0.55, [0.0, 1.0, 1.0, 1.0])
 
         self.controller.RemoveReplacement(fsseprefl.resourceId)
         self.controller.SetFrameEvent(self.get_last_draw().eventId, True)
 
         # Now it should be back to green and offset
-        self.check_pixel_value(tex, 0.75, 0.75, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.75, [0.2, 0.2, 0.2, 1.0])
         self.check_pixel_value(tex, 0.95, 0.55, [0.0, 1.0, 0.0, 1.0])
 
         self.controller.RemoveReplacement(vsseprefl.resourceId)
diff --git a/util/test/tests/GL/GL_Simple_Triangle.py b/util/test/tests/GL/GL_Simple_Triangle.py
index c0a3af817..24cf9f6ed 100644
--- a/util/test/tests/GL/GL_Simple_Triangle.py
+++ b/util/test/tests/GL/GL_Simple_Triangle.py
@@ -6,7 +6,11 @@ class GL_Simple_Triangle(rdtest.TestCase):
     demos_test_name = 'GL_Simple_Triangle'
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        self.check_triangle(out=last_draw.copyDestination)
 
         self.check_export(self.capture_filename)
 
@@ -22,7 +26,7 @@ class GL_Simple_Triangle(rdtest.TestCase):
                 'idx': 0,
                 'gl_Position': [-0.5, -0.5, 0.0, 1.0],
                 'v2f_block.pos': [-0.5, -0.5, 0.0, 1.0],
-                'v2f_block.col': [1.0, 0.0, 0.0, 1.0],
+                'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                 'v2f_block.uv': [0.0, 0.0, 0.0, 1.0],
             },
             1: {
@@ -38,7 +42,7 @@ class GL_Simple_Triangle(rdtest.TestCase):
                 'idx': 2,
                 'gl_Position': [0.5, -0.5, 0.0, 1.0],
                 'v2f_block.pos': [0.5, -0.5, 0.0, 1.0],
-                'v2f_block.col': [0.0, 0.0, 1.0, 1.0],
+                'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                 'v2f_block.uv': [1.0, 0.0, 0.0, 1.0],
             },
         }
diff --git a/util/test/tests/GL/GL_VAO_0.py b/util/test/tests/GL/GL_VAO_0.py
index e4ea2f2d1..654607c99 100644
--- a/util/test/tests/GL/GL_VAO_0.py
+++ b/util/test/tests/GL/GL_VAO_0.py
@@ -6,8 +6,6 @@ class GL_VAO_0(rdtest.TestCase):
     demos_test_name = 'GL_VAO_0'
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         draw = self.find_draw("Draw")
 
         # There are 4 draws with variations on client-memory VBs or IBs
@@ -16,6 +14,11 @@ class GL_VAO_0(rdtest.TestCase):
 
             self.controller.SetFrameEvent(draw.eventId, False)
 
+            pipe: rd.PipeState = self.controller.GetPipelineState()
+            vp: rd.Viewport = pipe.GetViewport(0)
+
+            self.check_triangle(vp=(vp.x, vp.y, vp.width, vp.height))
+
             postvs_data = self.get_postvs(rd.MeshDataStage.VSOut, 0, draw.numIndices)
 
             postvs_ref = {
@@ -24,7 +27,7 @@ class GL_VAO_0(rdtest.TestCase):
                     'idx': 0,
                     'gl_Position': [-0.5, -0.5, 0.0, 1.0],
                     'v2f_block.pos': [-0.5, -0.5, 0.0, 1.0],
-                    'v2f_block.col': [1.0, 0.0, 0.0, 1.0],
+                    'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                     'v2f_block.uv': [0.0, 0.0, 0.0, 1.0],
                 },
                 1: {
@@ -40,7 +43,7 @@ class GL_VAO_0(rdtest.TestCase):
                     'idx': 2,
                     'gl_Position': [0.5, -0.5, 0.0, 1.0],
                     'v2f_block.pos': [0.5, -0.5, 0.0, 1.0],
-                    'v2f_block.col': [0.0, 0.0, 1.0, 1.0],
+                    'v2f_block.col': [0.0, 1.0, 0.0, 1.0],
                     'v2f_block.uv': [1.0, 0.0, 0.0, 1.0],
                 },
             }
diff --git a/util/test/tests/Vulkan/VK_Indirect.py b/util/test/tests/Vulkan/VK_Indirect.py
index eab892ee2..bc8139a45 100644
--- a/util/test/tests/Vulkan/VK_Indirect.py
+++ b/util/test/tests/Vulkan/VK_Indirect.py
@@ -28,8 +28,6 @@ class VK_Indirect(rdtest.TestCase):
         self.overlay_idx = self.overlay_idx + 1
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         self.overlay_idx = 1
 
         fill = self.find_draw("vkCmdFillBuffer")
@@ -47,6 +45,27 @@ class VK_Indirect(rdtest.TestCase):
         for level in ["Primary", "Secondary"]:
             rdtest.log.print("Checking {} indirect calls".format(level))
 
+            final = self.find_draw("{}: Final".format(level))
+
+            indirect_count_root = self.find_draw("{}: KHR_draw_indirect_count".format(level))
+
+            self.controller.SetFrameEvent(final.eventId, False)
+
+            tex = self.controller.GetPipelineState().GetOutputTargets()[0].resourceId
+
+            # Check the top row, non indirect count and always present
+            self.check_pixel_value(tex, 60, 60, [1.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, 100, 60, [0.0, 0.0, 1.0, 1.0])
+            self.check_pixel_value(tex, 145, 35, [1.0, 1.0, 0.0, 1.0])
+            self.check_pixel_value(tex, 205, 35, [0.0, 1.0, 1.0, 1.0])
+
+            # if present, check bottom row of indirect count
+            if indirect_count_root is not None:
+                self.check_pixel_value(tex, 60, 220, [0.0, 1.0, 0.0, 1.0])
+                self.check_pixel_value(tex, 100, 220, [1.0, 0.0, 1.0, 1.0])
+                self.check_pixel_value(tex, 145, 185, [0.5, 1.0, 0.0, 1.0])
+                self.check_pixel_value(tex, 205, 185, [0.5, 0.0, 1.0, 1.0])
+
             dispatches = self.find_draw("{}: Dispatches".format(level))
 
             # Set up a ReplayOutput and TextureSave for quickly testing the drawcall highlight overlay
@@ -209,8 +228,6 @@ class VK_Indirect(rdtest.TestCase):
 
             rdtest.log.success("{} {} is as expected".format(level, draw.name))
 
-            indirect_count_root = self.find_draw("{}: KHR_draw_indirect_count".format(level))
-
             if indirect_count_root is not None:
                 self.check(indirect_count_root.children[0].name == '{}: Empty count draws'.format(level))
                 self.check(indirect_count_root.children[1].name == '{}: Indirect count draws'.format(level))
diff --git a/util/test/tests/Vulkan/VK_Int8_IBuffer.py b/util/test/tests/Vulkan/VK_Int8_IBuffer.py
index 818e1973b..905057be0 100644
--- a/util/test/tests/Vulkan/VK_Int8_IBuffer.py
+++ b/util/test/tests/Vulkan/VK_Int8_IBuffer.py
@@ -6,8 +6,6 @@ class VK_Int8_IBuffer(rdtest.TestCase):
     demos_test_name = 'VK_Int8_IBuffer'
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         draw = self.find_draw("Draw")
 
         self.check(draw is not None)
@@ -27,7 +25,7 @@ class VK_Int8_IBuffer(rdtest.TestCase):
                 'vtx': 0,
                 'idx': 0,
                 'gl_PerVertex.gl_Position': [-0.8, -0.2, 0.0, 1.0],
-                'vertOut.col': [1.0, 0.0, 0.0, 1.0],
+                'vertOut.col': [0.0, 1.0, 0.0, 1.0],
                 'vertOut.uv': [0.0, 0.0, 0.0, 1.0],
             },
             4: {
@@ -44,9 +42,22 @@ class VK_Int8_IBuffer(rdtest.TestCase):
                 'vtx': 9,
                 'idx': 8,
                 'gl_PerVertex.gl_Position': [-0.8, 0.7, 0.0, 1.0],
-                'vertOut.col': [1.0, 0.0, 0.0, 1.0],
+                'vertOut.col': [0.0, 0.0, 1.0, 1.0],
                 'vertOut.uv': [0.0, 0.0, 0.0, 1.0],
             },
         }
 
         self.check_mesh_data(postvs_ref, postvs_data)
+
+        # Check that the rendered mesh is as expected
+        out = pipe.GetOutputTargets()[0].resourceId
+        for x in [x*0.01 for x in range(1, 100)]:
+            self.check_pixel_value(out, x, 0.1, [0.2, 0.2, 0.2, 1.0])
+            self.check_pixel_value(out, x, 0.5, [0.2, 0.2, 0.2, 1.0])
+
+        self.check_pixel_value(out, 0.3, 0.25, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.5, 0.25, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.7, 0.25, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(out, 0.3, 0.75, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(out, 0.5, 0.75, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(out, 0.7, 0.75, [0.0, 0.0, 1.0, 1.0])
diff --git a/util/test/tests/Vulkan/VK_Overlay_Test.py b/util/test/tests/Vulkan/VK_Overlay_Test.py
index 0bf1bc3c2..6a6a7a966 100644
--- a/util/test/tests/Vulkan/VK_Overlay_Test.py
+++ b/util/test/tests/Vulkan/VK_Overlay_Test.py
@@ -35,8 +35,6 @@ class VK_Overlay_Test(rdtest.TestCase):
         rdtest.log.success("Reference and output image are identical for {}".format(test_name))
 
     def check_capture(self):
-        self.check_final_backbuffer()
-
         out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
@@ -50,6 +48,34 @@ class VK_Overlay_Test(rdtest.TestCase):
         tex = rd.TextureDisplay()
         tex.resourceId = pipe.GetOutputTargets()[0].resourceId
 
+        # Check the actual output is as expected first.
+
+        # Background around the outside
+        self.check_pixel_value(tex.resourceId, 0.1, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.1, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.95, [0.2, 0.2, 0.2, 1.0])
+
+        # Large dark grey triangle
+        self.check_pixel_value(tex.resourceId, 0.5, 0.1, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.5, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.2, 0.9, [0.1, 0.1, 0.1, 1.0])
+        self.check_pixel_value(tex.resourceId, 0.8, 0.9, [0.1, 0.1, 0.1, 1.0])
+
+        # Red upper half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.4, [1.0, 0.0, 0.0, 1.0])
+        # Blue lower half triangle
+        self.check_pixel_value(tex.resourceId, 0.3, 0.6, [0.0, 0.0, 1.0, 1.0])
+
+        # Floating clipped triangle
+        self.check_pixel_value(tex.resourceId, 335, 140, [0.0, 0.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 340, 140, [0.2, 0.2, 0.2, 1.0])
+
+        # Triangle size triangles
+        self.check_pixel_value(tex.resourceId, 200, 51, [1.0, 0.5, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 65, [1.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 79, [0.0, 1.0, 1.0, 1.0])
+        self.check_pixel_value(tex.resourceId, 200, 93, [0.0, 1.0, 0.0, 1.0])
+
         for overlay in rd.DebugOverlay:
             if overlay == rd.DebugOverlay.NoOverlay:
                 continue
diff --git a/util/test/tests/Vulkan/VK_Resource_Lifetimes.py b/util/test/tests/Vulkan/VK_Resource_Lifetimes.py
index ebcba2e46..e2806127d 100644
--- a/util/test/tests/Vulkan/VK_Resource_Lifetimes.py
+++ b/util/test/tests/Vulkan/VK_Resource_Lifetimes.py
@@ -7,7 +7,50 @@ class VK_Resource_Lifetimes(rdtest.TestCase):
     demos_frame_cap = 200
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        tex = last_draw.copyDestination
+
+        # green background around first triangle, blue around second
+        self.check_pixel_value(tex, 10, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 10, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 118, 118, [0.0, 1.0, 0.0, 1.0])
+        self.check_pixel_value(tex, 10, 118, [0.0, 1.0, 0.0, 1.0])
+
+        self.check_pixel_value(tex, 138, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 10, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 246, 118, [0.0, 0.0, 1.0, 1.0])
+        self.check_pixel_value(tex, 138, 118, [0.0, 0.0, 1.0, 1.0])
+
+        # Sample across each triangle, we expect things to be identical
+        for xoffs in [0, 128]:
+            # Check black checkerboard squares
+            self.check_pixel_value(tex, xoffs+42, 92, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+40, 85, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+68, 66, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+59, 47, [0.0, 0.0, 0.0, 1.0])
+            self.check_pixel_value(tex, xoffs+81, 92, [0.0, 0.0, 0.0, 1.0])
+
+            # Check the red and green eyes of the smiley
+            self.check_pixel_value(tex, xoffs+49, 83, [1.0, 0.0, 0.09, 1.0])
+            self.check_pixel_value(tex, xoffs+60, 83, [0.0, 1.0, 0.09, 1.0])
+
+            # Check the blue smile
+            self.check_pixel_value(tex, xoffs+64, 72, [0.09, 0.0, 1.0, 1.0])
+
+            # Check the orange face
+            self.check_pixel_value(tex, xoffs+46, 86, [1.0, 0.55, 0.36, 1.0])
+
+            # Check the empty space where we clamped and didn't repeat
+            self.check_pixel_value(tex, xoffs+82, 79, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+84, 86, [0.72, 1.0, 1.0, 1.0])
+            self.check_pixel_value(tex, xoffs+88, 92, [0.72, 1.0, 1.0, 1.0])
+
+            # Check that the repeated smiley above is there
+            self.check_pixel_value(tex, xoffs+67, 53, [0.91, 0.636, 0.36, 1.0])
+            self.check_pixel_value(tex, xoffs+65, 50, [1.0, 0.0, 0.09, 1.0])
 
         # Check for resource leaks
         if len(self.controller.GetResources()) > 75:
diff --git a/util/test/tests/Vulkan/VK_Secondary_CmdBuf.py b/util/test/tests/Vulkan/VK_Secondary_CmdBuf.py
index 8c490fac8..410d56043 100644
--- a/util/test/tests/Vulkan/VK_Secondary_CmdBuf.py
+++ b/util/test/tests/Vulkan/VK_Secondary_CmdBuf.py
@@ -6,7 +6,17 @@ class VK_Secondary_CmdBuf(rdtest.TestCase):
     demos_test_name = 'VK_Secondary_CmdBuf'
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        tex = self.get_texture(last_draw.copyDestination)
+
+        # Green triangle on the left, blue on the right
+        self.check_triangle(out=last_draw.copyDestination, fore=[0.0, 1.0, 0.0, 1.0],
+                            vp=(0, 0, tex.width / 2, tex.height))
+        self.check_triangle(out=last_draw.copyDestination, fore=[0.0, 0.0, 1.0, 1.0],
+                            vp=(tex.width / 2, 0, tex.width/2, tex.height))
 
         draw = self.find_draw("Primary")
 
diff --git a/util/test/tests/Vulkan/VK_Shader_Editing.py b/util/test/tests/Vulkan/VK_Shader_Editing.py
index be97179ab..5b85599ee 100644
--- a/util/test/tests/Vulkan/VK_Shader_Editing.py
+++ b/util/test/tests/Vulkan/VK_Shader_Editing.py
@@ -110,8 +110,8 @@ class VK_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(eid, True)
 
         # Original sample positions are now the clear color
-        self.check_pixel_value(tex, 0.25, 0.5, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.5, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.5, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.5, [0.2, 0.2, 0.2, 1.0])
 
         # Triangles have green and blue channel
         self.check_pixel_value(tex, 0.45, 0.95, [0.0, 1.0, 1.0, 1.0])
@@ -124,8 +124,8 @@ class VK_Shader_Editing(rdtest.TestCase):
         self.controller.SetFrameEvent(eid, True)
 
         # Original sample positions are still the clear color
-        self.check_pixel_value(tex, 0.25, 0.5, [0.4, 0.5, 0.6, 1.0])
-        self.check_pixel_value(tex, 0.75, 0.5, [0.4, 0.5, 0.6, 1.0])
+        self.check_pixel_value(tex, 0.25, 0.5, [0.2, 0.2, 0.2, 1.0])
+        self.check_pixel_value(tex, 0.75, 0.5, [0.2, 0.2, 0.2, 1.0])
 
         # The right triangle is the edited colour, the other two have reverted to green channel only
         self.check_pixel_value(tex, 0.45, 0.95, [0.0, 1.0, 0.0, 1.0])
diff --git a/util/test/tests/Vulkan/VK_Simple_Triangle.py b/util/test/tests/Vulkan/VK_Simple_Triangle.py
index a3177d89b..dac5a199a 100644
--- a/util/test/tests/Vulkan/VK_Simple_Triangle.py
+++ b/util/test/tests/Vulkan/VK_Simple_Triangle.py
@@ -6,7 +6,11 @@ class VK_Simple_Triangle(rdtest.TestCase):
     demos_test_name = 'VK_Simple_Triangle'
 
     def check_capture(self):
-        self.check_final_backbuffer()
+        last_draw: rd.DrawcallDescription = self.get_last_draw()
+
+        self.controller.SetFrameEvent(last_draw.eventId, True)
+
+        self.check_triangle(out=last_draw.copyDestination)
 
         self.check_export(self.capture_filename)
 
@@ -22,7 +26,7 @@ class VK_Simple_Triangle(rdtest.TestCase):
                 'idx': 0,
                 'gl_PerVertex.gl_Position': [-0.5, 0.5, 0.0, 1.0],
                 'vertOut.pos': [-0.5, 0.5, 0.0, 1.0],
-                'vertOut.col': [1.0, 0.0, 0.0, 1.0],
+                'vertOut.col': [0.0, 1.0, 0.0, 1.0],
                 'vertOut.uv': [0.0, 0.0, 0.0, 1.0],
             },
             1: {
@@ -38,7 +42,7 @@ class VK_Simple_Triangle(rdtest.TestCase):
                 'idx': 2,
                 'gl_PerVertex.gl_Position': [0.5, 0.5, 0.0, 1.0],
                 'vertOut.pos': [0.5, 0.5, 0.0, 1.0],
-                'vertOut.col': [0.0, 0.0, 1.0, 1.0],
+                'vertOut.col': [0.0, 1.0, 0.0, 1.0],
                 'vertOut.uv': [1.0, 0.0, 0.0, 1.0],
             },
         }