diff --git a/util/test/demos/d3d11/d3d11_storage_raster.cpp b/util/test/demos/d3d11/d3d11_storage_raster.cpp
new file mode 100644
index 000000000..50876770e
--- /dev/null
+++ b/util/test/demos/d3d11/d3d11_storage_raster.cpp
@@ -0,0 +1,123 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023-2026 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+#include "d3d11_test.h"
+
+RD_TEST(D3D11_Storage_Raster, D3D11GraphicsTest)
+{
+ static constexpr const char *Description =
+ "Testing stores to images from a rasterized draw with no rasterized outputs.";
+
+ std::string vertex = R"EOSHADER(
+
+struct vertin
+{
+ float3 pos : POSITION;
+ float4 col : COLOR0;
+ float2 uv : TEXCOORD0;
+};
+
+struct v2f
+{
+ float4 pos : SV_POSITION;
+ float4 col : COLOR0;
+ float2 uv : TEXCOORD0;
+};
+
+v2f main(vertin IN)
+{
+ v2f OUT = (v2f)0;
+
+ OUT.pos = float4(IN.pos.xyz, 1);
+ OUT.col = IN.col;
+ OUT.uv = IN.uv;
+
+ return OUT;
+}
+
+)EOSHADER";
+
+ std::string pixel = R"EOSHADER(
+
+struct v2f
+{
+ float4 pos : SV_POSITION;
+ float4 col : COLOR0;
+ float2 uv : TEXCOORD0;
+};
+
+RWByteAddressBuffer rwbuf : register(u0);
+
+void main(v2f IN)
+{
+ uint orig = 0;
+ rwbuf.InterlockedMin(0, uint(IN.pos.x), orig);
+ rwbuf.InterlockedMin(4, uint(IN.pos.y), orig);
+ rwbuf.InterlockedMax(8, uint(IN.pos.x), orig);
+ rwbuf.InterlockedMax(12, uint(IN.pos.y), orig);
+}
+
+)EOSHADER";
+
+ int main()
+ {
+ // initialise, create window, create device, etc
+ if(!Init())
+ return 3;
+
+ ID3D11VertexShaderPtr vs = CreateVS(Compile(vertex, "main", "vs_5_0"));
+ ID3D11PixelShaderPtr ps = CreatePS(Compile(pixel, "main", "ps_5_0"));
+
+ ID3D11BufferPtr buf = MakeBuffer().Size(64).ByteAddressed().UAV().SRV();
+ ID3D11UnorderedAccessViewPtr uav = MakeUAV(buf).Format(DXGI_FORMAT_R32_TYPELESS);
+
+ while(Running())
+ {
+ ClearRenderTargetView(bbRTV, {0.2f, 0.2f, 0.2f, 1.0f});
+
+ ClearUnorderedAccessView(uav, Vec4u(150, 150, 150, 150));
+
+ IASetVertexBuffer(DefaultTriVB, sizeof(DefaultA2V), 0);
+ ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+ ctx->IASetInputLayout(defaultLayout);
+
+ ctx->VSSetShader(vs, NULL, 0);
+ ctx->PSSetShader(ps, NULL, 0);
+
+ RSSetViewport({0.0f, 0.0f, (float)screenWidth, (float)screenHeight, 0.0f, 1.0f});
+ RSSetScissor({0, 0, screenWidth, screenHeight});
+
+ ctx->OMSetRenderTargetsAndUnorderedAccessViews(0, NULL, NULL, 0, 1, &uav.GetInterfacePtr(),
+ NULL);
+
+ ctx->Draw(3, 0);
+
+ Present();
+ }
+
+ return 0;
+ }
+};
+
+REGISTER_TEST();
diff --git a/util/test/demos/demos.vcxproj b/util/test/demos/demos.vcxproj
index 9d3870ecb..d438e02c8 100644
--- a/util/test/demos/demos.vcxproj
+++ b/util/test/demos/demos.vcxproj
@@ -158,6 +158,7 @@
+
@@ -349,6 +350,7 @@
+
diff --git a/util/test/demos/demos.vcxproj.filters b/util/test/demos/demos.vcxproj.filters
index 0f76c0aa3..9bf5192ab 100644
--- a/util/test/demos/demos.vcxproj.filters
+++ b/util/test/demos/demos.vcxproj.filters
@@ -775,6 +775,12 @@
Vulkan\demos
+
+ Vulkan\demos
+
+
+ D3D11\demos
+
diff --git a/util/test/demos/vk/vk_storage_raster.cpp b/util/test/demos/vk/vk_storage_raster.cpp
new file mode 100644
index 000000000..19bace0c2
--- /dev/null
+++ b/util/test/demos/vk/vk_storage_raster.cpp
@@ -0,0 +1,191 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023-2026 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+#include "vk_test.h"
+
+RD_TEST(VK_Storage_Raster, VulkanGraphicsTest)
+{
+ static constexpr const char *Description =
+ "Testing stores to images from a rasterized draw with no rasterized outputs.";
+
+ std::string common = R"EOSHADER(
+
+#version 450 core
+
+
+struct v2f
+{
+ vec4 pos;
+ vec4 col;
+ vec4 uv;
+};
+
+)EOSHADER";
+
+ const std::string vertex = R"EOSHADER(
+
+layout(location = 0) in vec3 Position;
+layout(location = 1) in vec4 Color;
+layout(location = 2) in vec2 UV;
+
+layout(location = 0) out v2f vertOut;
+
+void main()
+{
+ vertOut.pos = vec4(Position.xyz*vec3(1,-1,1), 1);
+ gl_Position = vertOut.pos;
+ vertOut.col = Color;
+ vertOut.uv = vec4(UV.xy, 0, 1);
+}
+
+)EOSHADER";
+
+ const std::string pixel = R"EOSHADER(
+
+layout(location = 0) in v2f vertIn;
+
+layout(set = 0, binding = 0, std430) buffer atomicbuftype
+{
+ uint data[];
+} atomicbuf;
+
+void main()
+{
+ atomicMin(atomicbuf.data[0], int(gl_FragCoord.x));
+ atomicMin(atomicbuf.data[1], int(gl_FragCoord.y));
+ atomicMax(atomicbuf.data[2], int(gl_FragCoord.x));
+ atomicMax(atomicbuf.data[3], int(gl_FragCoord.y));
+}
+
+)EOSHADER";
+
+ void Prepare(int argc, char **argv)
+ {
+ features.fragmentStoresAndAtomics = VK_TRUE;
+
+ VulkanGraphicsTest::Prepare(argc, argv);
+
+ if(!Avail.empty())
+ return;
+ }
+
+ int main()
+ {
+ // initialise, create window, create context, etc
+ if(!Init())
+ return 3;
+
+ AllocatedBuffer store_buffer(this,
+ vkh::BufferCreateInfo(64, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
+ VK_BUFFER_USAGE_TRANSFER_DST_BIT),
+ VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_GPU_ONLY}));
+
+ VkRenderPass noAttRP;
+
+ vkh::RenderPassCreator renderPassCreateInfo;
+ renderPassCreateInfo.addSubpass({});
+ noAttRP = createRenderPass(renderPassCreateInfo);
+
+ VkExtent2D fbRect = {(uint32_t)screenWidth, (uint32_t)screenHeight};
+
+ VkFramebuffer noAttFB = createFramebuffer(vkh::FramebufferCreateInfo(noAttRP, {}, fbRect));
+
+ vkh::GraphicsPipelineCreateInfo pipeCreateInfo;
+
+ VkDescriptorSetLayout setlayout = createDescriptorSetLayout(vkh::DescriptorSetLayoutCreateInfo({
+ {0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT},
+ }));
+
+ VkPipelineLayout layout = createPipelineLayout(vkh::PipelineLayoutCreateInfo({setlayout}));
+
+ pipeCreateInfo.layout = layout;
+ pipeCreateInfo.renderPass = noAttRP;
+
+ pipeCreateInfo.multisampleState.rasterizationSamples = VK_SAMPLE_COUNT_4_BIT;
+
+ pipeCreateInfo.vertexInputState.vertexBindingDescriptions = {vkh::vertexBind(0, DefaultA2V)};
+ pipeCreateInfo.vertexInputState.vertexAttributeDescriptions = {
+ vkh::vertexAttr(0, 0, DefaultA2V, pos),
+ vkh::vertexAttr(1, 0, DefaultA2V, col),
+ vkh::vertexAttr(2, 0, DefaultA2V, uv),
+ };
+
+ pipeCreateInfo.stages = {
+ CompileShaderModule(common + vertex, ShaderLang::glsl, ShaderStage::vert, "main"),
+ CompileShaderModule(common + pixel, ShaderLang::glsl, ShaderStage::frag, "main"),
+ };
+
+ VkPipeline pipe = createGraphicsPipeline(pipeCreateInfo);
+
+ VkDescriptorSet descset = allocateDescriptorSet(setlayout);
+
+ vkh::updateDescriptorSets(
+ device, {
+ vkh::WriteDescriptorSet(descset, 0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
+ {vkh::DescriptorBufferInfo(store_buffer.buffer)}),
+ });
+
+ while(Running())
+ {
+ VkCommandBuffer cmd = GetCommandBuffer();
+
+ vkBeginCommandBuffer(cmd, vkh::CommandBufferBeginInfo());
+
+ vkCmdFillBuffer(cmd, store_buffer.buffer, 0, 64, 150);
+
+ vkh::cmdPipelineBarrier(
+ cmd, {},
+ {vkh::BufferMemoryBarrier(VK_ACCESS_TRANSFER_WRITE_BIT,
+ VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_SHADER_WRITE_BIT,
+ store_buffer.buffer)});
+
+ VkImage swapimg = StartUsingBackbuffer(cmd);
+
+ vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
+ vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
+ vkh::ImageSubresourceRange());
+
+ vkCmdBeginRenderPass(cmd, vkh::RenderPassBeginInfo(noAttRP, noAttFB, mainWindow->scissor),
+ VK_SUBPASS_CONTENTS_INLINE);
+
+ vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
+ mainWindow->setViewScissor(cmd);
+ vkh::cmdBindVertexBuffers(cmd, {DefaultTriVB.buffer});
+ vkh::cmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, layout, 0, {descset}, {});
+ vkCmdDraw(cmd, 3, 1, 0, 0);
+
+ vkCmdEndRenderPass(cmd);
+
+ FinishUsingBackbuffer(cmd);
+
+ vkEndCommandBuffer(cmd);
+
+ SubmitAndPresent({cmd});
+ }
+
+ return 0;
+ }
+};
+
+REGISTER_TEST();