Add simple checks for large memory leaks

* Smaller memory leaks are harder to differentiate from noise, so we go for a
  large enough leak to be noticable over time (50,000 frames).

util/test/demos/CMakeLists.txt

@@ -27,6 +27,7 @@ set(VULKAN_SRC
         vk/vk_khr_buffer_address.cpp
         vk/vk_large_buffer.cpp
         vk/vk_large_descriptor_sets.cpp
+        vk/vk_leak_check.cpp
         vk/vk_line_raster.cpp
         vk/vk_mesh_zoo.cpp
         vk/vk_misaligned_dirty.cpp
@@ -72,6 +73,7 @@ set(OPENGL_SRC
         gl/gl_entry_points.cpp
         gl/gl_large_bcn_arrays.cpp
         gl/gl_large_buffer.cpp
+        gl/gl_leak_check.cpp
         gl/gl_marker_test.cpp
         gl/gl_map_overrun.cpp
         gl/gl_mesh_zoo.cpp

util/test/demos/d3d11/d3d11_leak_check.cpp

@@ -0,0 +1,85 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019-2021 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_Leak_Check, D3D11GraphicsTest)
+{
+  static constexpr const char *Description =
+      "Checks that we don't have memory leaks by exiting if memory usage gets too high, so we can "
+      "wait and capture a late frame to check for leaks.";
+
+  int main()
+  {
+    // initialise, create window, create device, etc
+    if(!Init())
+      return 3;
+
+    ID3DBlobPtr vsblob = Compile(D3DDefaultVertex, "main", "vs_4_0");
+    ID3DBlobPtr psblob = Compile(D3DDefaultPixel, "main", "ps_4_0");
+
+    CreateDefaultInputLayout(vsblob);
+
+    ID3D11VertexShaderPtr vs = CreateVS(vsblob);
+    ID3D11PixelShaderPtr ps = CreatePS(psblob);
+
+    ID3D11BufferPtr vb = MakeBuffer().Vertex().Data(DefaultTri);
+
+    // make a simple texture so that the structured data includes texture initial states
+    ID3D11Texture2DPtr fltTex = MakeTexture(DXGI_FORMAT_R32G32B32A32_FLOAT, 4, 4).RTV();
+    ID3D11RenderTargetViewPtr fltRT = MakeRTV(fltTex);
+
+    while(Running())
+    {
+      // allow a generous 500MB, we're really only after catching big leaks here
+      if(GetMemoryUsage() > 500 * 1000 * 1000)
+      {
+        TEST_ERROR("Memory usage of %llu is too high!", GetMemoryUsage());
+        break;
+      }
+
+      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);
+      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});
+
+      ctx->OMSetRenderTargets(1, &bbRTV.GetInterfacePtr(), NULL);
+
+      ctx->Draw(3, 0);
+
+      Present();
+    }
+
+    return 0;
+  }
+};
+
+REGISTER_TEST();

util/test/demos/d3d12/d3d12_leak_check.cpp

@@ -0,0 +1,102 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019-2021 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 "d3d12_test.h"
+
+RD_TEST(D3D12_Leak_Check, D3D12GraphicsTest)
+{
+  static constexpr const char *Description =
+      "Checks that we don't have memory leaks by exiting if memory usage gets too high, so we can "
+      "wait and capture a late frame to check for leaks.";
+
+  int main()
+  {
+    // initialise, create window, create device, etc
+    if(!Init())
+      return 3;
+
+    ID3DBlobPtr vsblob = Compile(D3DDefaultVertex, "main", "vs_4_0");
+    ID3DBlobPtr psblob = Compile(D3DDefaultPixel, "main", "ps_4_0");
+
+    ID3D12ResourcePtr vb = MakeBuffer().Data(DefaultTri);
+
+    ID3D12RootSignaturePtr sig = MakeSig({});
+
+    ID3D12PipelineStatePtr pso = MakePSO().RootSig(sig).InputLayout().VS(vsblob).PS(psblob);
+
+    ResourceBarrier(vb, D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER);
+
+    ID3D12ResourcePtr rtvtex = MakeTexture(DXGI_FORMAT_R32G32B32A32_FLOAT, 4, 4)
+                                   .RTV()
+                                   .InitialState(D3D12_RESOURCE_STATE_RENDER_TARGET);
+
+    while(Running())
+    {
+      // allow a generous 500MB, we're really only after catching big leaks here
+      if(GetMemoryUsage() > 500 * 1000 * 1000)
+      {
+        TEST_ERROR("Memory usage of %llu is too high!", GetMemoryUsage());
+        break;
+      }
+
+      ID3D12GraphicsCommandListPtr cmd = GetCommandBuffer();
+
+      Reset(cmd);
+
+      ID3D12ResourcePtr bb = StartUsingBackbuffer(cmd, D3D12_RESOURCE_STATE_RENDER_TARGET);
+
+      D3D12_CPU_DESCRIPTOR_HANDLE rtv =
+          MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
+
+      ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
+
+      ClearRenderTargetView(cmd, MakeRTV(rtvtex).CreateCPU(1), {0.2f, 0.2f, 0.2f, 1.0f});
+
+      cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+
+      IASetVertexBuffer(cmd, vb, sizeof(DefaultA2V), 0);
+      cmd->SetPipelineState(pso);
+      cmd->SetGraphicsRootSignature(sig);
+
+      RSSetViewport(cmd, {0.0f, 0.0f, (float)screenWidth, (float)screenHeight, 0.0f, 1.0f});
+      RSSetScissorRect(cmd, {0, 0, screenWidth, screenHeight});
+
+      OMSetRenderTargets(cmd, {rtv}, {});
+
+      cmd->DrawInstanced(3, 1, 0, 0);
+
+      FinishUsingBackbuffer(cmd, D3D12_RESOURCE_STATE_RENDER_TARGET);
+
+      cmd->Close();
+
+      Submit({cmd});
+
+      Present();
+    }
+
+    return 0;
+  }
+};
+
+REGISTER_TEST();

util/test/demos/demos.vcxproj

@@ -141,6 +141,7 @@
     <ClCompile Include="d3d11\d3d11_feature_level_9.cpp" />
     <ClCompile Include="d3d11\d3d11_helpers.cpp" />
     <ClCompile Include="d3d11\d3d11_large_buffer.cpp" />
+    <ClCompile Include="d3d11\d3d11_leak_check.cpp" />
     <ClCompile Include="d3d11\d3d11_many_rtvs.cpp" />
     <ClCompile Include="d3d11\d3d11_map_overrun.cpp" />
     <ClCompile Include="d3d11\d3d11_mesh_zoo.cpp" />
@@ -183,6 +184,7 @@
     <ClCompile Include="d3d12\d3d12_existing_heap.cpp" />
     <ClCompile Include="d3d12\d3d12_helpers.cpp" />
     <ClCompile Include="d3d12\d3d12_large_buffer.cpp" />
+    <ClCompile Include="d3d12\d3d12_leak_check.cpp" />
     <ClCompile Include="d3d12\d3d12_list_alloc_tests.cpp" />
     <ClCompile Include="d3d12\d3d12_list_types.cpp" />
     <ClCompile Include="d3d12\d3d12_mesh_zoo.cpp" />
@@ -231,6 +233,7 @@
     <ClCompile Include="gl\gl_entry_points.cpp" />
     <ClCompile Include="gl\gl_large_bcn_arrays.cpp" />
     <ClCompile Include="gl\gl_large_buffer.cpp" />
+    <ClCompile Include="gl\gl_leak_check.cpp" />
     <ClCompile Include="gl\gl_map_overrun.cpp" />
     <ClCompile Include="gl\gl_marker_test.cpp" />
     <ClCompile Include="gl\gl_mesh_zoo.cpp" />
@@ -280,6 +283,7 @@
     <ClCompile Include="vk\vk_khr_buffer_address.cpp" />
     <ClCompile Include="vk\vk_large_buffer.cpp" />
     <ClCompile Include="vk\vk_large_descriptor_sets.cpp" />
+    <ClCompile Include="vk\vk_leak_check.cpp" />
     <ClCompile Include="vk\vk_mesh_zoo.cpp" />
     <ClCompile Include="vk\vk_parameter_zoo.cpp" />
     <ClCompile Include="vk\vk_imageless_framebuffer.cpp" />

util/test/demos/demos.vcxproj.filters

@@ -574,6 +574,18 @@
     <ClCompile Include="gl\gl_buffer_resizing.cpp">
       <Filter>OpenGL\demos</Filter>
     </ClCompile>
+    <ClCompile Include="vk\vk_leak_check.cpp">
+      <Filter>Vulkan\demos</Filter>
+    </ClCompile>
+    <ClCompile Include="gl\gl_leak_check.cpp">
+      <Filter>OpenGL\demos</Filter>
+    </ClCompile>
+    <ClCompile Include="d3d12\d3d12_leak_check.cpp">
+      <Filter>D3D12\demos</Filter>
+    </ClCompile>
+    <ClCompile Include="d3d11\d3d11_leak_check.cpp">
+      <Filter>D3D11\demos</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="D3D11">

util/test/demos/gl/gl_leak_check.cpp

@@ -0,0 +1,84 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019-2021 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 "gl_test.h"
+
+RD_TEST(GL_Leak_Check, OpenGLGraphicsTest)
+{
+  static constexpr const char *Description =
+      "Checks that we don't have memory leaks by exiting if memory usage gets too high, so we can "
+      "wait and capture a late frame to check for leaks.";
+
+  int main()
+  {
+    // initialise, create window, create context, etc
+    if(!Init())
+      return 3;
+
+    GLuint vao = MakeVAO();
+    glBindVertexArray(vao);
+
+    GLuint vb = MakeBuffer();
+    glBindBuffer(GL_ARRAY_BUFFER, vb);
+    glBufferStorage(GL_ARRAY_BUFFER, sizeof(DefaultTri), DefaultTri, 0);
+
+    ConfigureDefaultVAO();
+
+    GLuint program = MakeProgram(GLDefaultVertex, GLDefaultPixel);
+
+    // make a simple texture so that the structured data includes texture initial states
+    GLuint tex = MakeTexture();
+    glBindTexture(GL_TEXTURE_2D, tex);
+    glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, 4, 4);
+
+    while(Running())
+    {
+      // allow a generous 500MB, we're really only after catching big leaks here
+      if(GetMemoryUsage() > 500 * 1000 * 1000)
+      {
+        TEST_ERROR("Memory usage of %llu is too high!", GetMemoryUsage());
+        break;
+      }
+
+      float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
+      glClearBufferfv(GL_COLOR, 0, col);
+
+      glClearTexImage(tex, 0, GL_RGBA, GL_FLOAT, col);
+
+      glBindVertexArray(vao);
+
+      glUseProgram(program);
+
+      glViewport(0, 0, GLsizei(screenWidth), GLsizei(screenHeight));
+
+      glDrawArrays(GL_TRIANGLES, 0, 3);
+
+      Present();
+    }
+
+    return 0;
+  }
+};
+
+REGISTER_TEST();

util/test/demos/gl/gl_test.h

@@ -69,6 +69,8 @@ struct OpenGLGraphicsTest : public GraphicsTest
   bool coreProfile = true;
   bool gles = false;
 
+  bool vsync = false;
+
   GLuint swapBlitFBO;
 
   GraphicsWindow *mainWindow = NULL;

util/test/demos/gl/gl_test_linux.cpp

@@ -147,6 +147,9 @@ bool OpenGLGraphicsTest::Init()
     return false;
   }
 
+  if(GLX_EXT_swap_control)
+    glXSwapIntervalEXT(vsync ? 1 : 0);
+
   PostInit();
 
   return true;

util/test/demos/gl/gl_test_win32.cpp

@@ -123,6 +123,9 @@ bool OpenGLGraphicsTest::Init()
     return false;
   }
 
+  if(WGL_EXT_swap_control)
+    wglSwapIntervalEXT(vsync ? 1 : 0);
+
   PostInit();
 
   return true;

util/test/demos/linux/linux_platform.cpp

@@ -23,8 +23,31 @@
 ******************************************************************************/
 
 #include <stdlib.h>
+#include <unistd.h>
 #include "test_common.h"
 
+uint64_t GetMemoryUsage()
+{
+  FILE *f = fopen("/proc/self/statm", "r");
+
+  if(f == NULL)
+  {
+    RDCWARN("Couldn't open /proc/self/statm");
+    return 0;
+  }
+
+  char line[512] = {};
+  fgets(line, 511, f);
+
+  uint32_t vmPages = 0;
+  int num = sscanf(line, "%u", &vmPages);
+
+  if(num == 1 && vmPages > 0)
+    return vmPages * (uint64_t)sysconf(_SC_PAGESIZE);
+
+  return 0;
+}
+
 std::string GetCWD()
 {
   char cwd[MAX_PATH + 1] = {0};

util/test/demos/test_common.h

@@ -287,6 +287,7 @@ void RegisterTest(TestMetadata test);
 
 std::string GetCWD();
 std::string GetEnvVar(const char *var);
+uint64_t GetMemoryUsage();
 
 #ifndef ARRAY_COUNT
 #define ARRAY_COUNT(arr) (sizeof(arr) / sizeof(arr[0]))

util/test/demos/vk/vk_leak_check.cpp

@@ -0,0 +1,125 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019-2021 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_Leak_Check, VulkanGraphicsTest)
+{
+  static constexpr const char *Description =
+      "Checks that we don't have memory leaks by exiting if memory usage gets too high, so we can "
+      "wait and capture a late frame to check for leaks.";
+
+  int main()
+  {
+    // initialise, create window, create context, etc
+    if(!Init())
+      return 3;
+
+    VkPipelineLayout layout = createPipelineLayout(vkh::PipelineLayoutCreateInfo());
+
+    vkh::GraphicsPipelineCreateInfo pipeCreateInfo;
+
+    pipeCreateInfo.layout = layout;
+    pipeCreateInfo.renderPass = mainWindow->rp;
+
+    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(VKDefaultVertex, ShaderLang::glsl, ShaderStage::vert, "main"),
+        CompileShaderModule(VKDefaultPixel, ShaderLang::glsl, ShaderStage::frag, "main"),
+    };
+
+    VkPipeline pipe = createGraphicsPipeline(pipeCreateInfo);
+
+    AllocatedBuffer vb(
+        this, vkh::BufferCreateInfo(sizeof(DefaultTri), VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
+                                                            VK_BUFFER_USAGE_TRANSFER_DST_BIT),
+        VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_CPU_TO_GPU}));
+
+    vb.upload(DefaultTri);
+
+    AllocatedImage offimg(this, vkh::ImageCreateInfo(4, 4, 0, VK_FORMAT_R32G32B32A32_SFLOAT,
+                                                     VK_IMAGE_USAGE_TRANSFER_DST_BIT),
+                          VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_GPU_ONLY}));
+
+    while(Running())
+    {
+      // allow a generous 500MB, we're really only after catching big leaks here
+      if(GetMemoryUsage() > 500 * 1000 * 1000)
+      {
+        TEST_ERROR("Memory usage of %llu is too high!", GetMemoryUsage());
+        break;
+      }
+
+      VkCommandBuffer cmd = GetCommandBuffer();
+
+      vkBeginCommandBuffer(cmd, vkh::CommandBufferBeginInfo());
+
+      VkImage swapimg =
+          StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
+
+      vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
+                           vkh::ImageSubresourceRange());
+
+      vkh::cmdPipelineBarrier(
+          cmd, {
+                   vkh::ImageMemoryBarrier(0, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_UNDEFINED,
+                                           VK_IMAGE_LAYOUT_GENERAL, offimg.image),
+               });
+
+      vkCmdClearColorImage(cmd, offimg.image, VK_IMAGE_LAYOUT_GENERAL,
+                           vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
+                           vkh::ImageSubresourceRange());
+
+      vkCmdBeginRenderPass(
+          cmd, vkh::RenderPassBeginInfo(mainWindow->rp, mainWindow->GetFB(), mainWindow->scissor),
+          VK_SUBPASS_CONTENTS_INLINE);
+
+      vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
+      vkCmdSetViewport(cmd, 0, 1, &mainWindow->viewport);
+      vkCmdSetScissor(cmd, 0, 1, &mainWindow->scissor);
+      vkh::cmdBindVertexBuffers(cmd, 0, {vb.buffer}, {0});
+      vkCmdDraw(cmd, 3, 1, 0, 0);
+
+      vkCmdEndRenderPass(cmd);
+
+      FinishUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
+
+      vkEndCommandBuffer(cmd);
+
+      Submit(0, 1, {cmd});
+
+      Present();
+    }
+
+    return 0;
+  }
+};
+
+REGISTER_TEST();

util/test/demos/win32/win32_platform.cpp

@@ -24,6 +24,34 @@
 
 #include "../test_common.h"
 
+#include <Psapi.h>
+
+uint64_t GetMemoryUsage()
+{
+  HANDLE proc = GetCurrentProcess();
+
+  if(proc == NULL)
+  {
+    TEST_ERROR("Couldn't open process: %d", GetLastError());
+    return 0;
+  }
+
+  PROCESS_MEMORY_COUNTERS memInfo = {};
+
+  uint64_t ret = 0;
+
+  if(GetProcessMemoryInfo(proc, &memInfo, sizeof(memInfo)))
+  {
+    ret = memInfo.WorkingSetSize;
+  }
+  else
+  {
+    TEST_ERROR("Couldn't get process memory info: %d", GetLastError());
+  }
+
+  return ret;
+}
+
 std::string GetCWD()
 {
   char cwd[MAX_PATH + 1] = {0};

util/test/tests/D3D11/D3D11_Leak_Check.py

@@ -0,0 +1,16 @@
+import renderdoc as rd
+import rdtest
+
+
+class D3D11_Leak_Check(rdtest.TestCase):
+    demos_test_name = 'D3D11_Leak_Check'
+    demos_frame_cap = 50000
+    demos_frame_count = 1
+
+    def check_capture(self):
+        memory: int = rd.GetCurrentProcessMemoryUsage()
+
+        if memory > 500*1000*1000:
+            raise rdtest.TestFailureException("Memory usage of {} is too high".format(memory))
+
+        rdtest.log.success("Capture {} opened with reasonable memory ({})".format(self.demos_frame_cap, memory))

util/test/tests/D3D12/D3D12_Leak_Check.py

@@ -0,0 +1,16 @@
+import renderdoc as rd
+import rdtest
+
+
+class D3D12_Leak_Check(rdtest.TestCase):
+    demos_test_name = 'D3D12_Leak_Check'
+    demos_frame_cap = 50000
+    demos_frame_count = 1
+
+    def check_capture(self):
+        memory: int = rd.GetCurrentProcessMemoryUsage()
+
+        if memory > 500*1000*1000:
+            raise rdtest.TestFailureException("Memory usage of {} is too high".format(memory))
+
+        rdtest.log.success("Capture {} opened with reasonable memory ({})".format(self.demos_frame_cap, memory))

util/test/tests/GL/GL_Leak_Check.py

@@ -0,0 +1,16 @@
+import renderdoc as rd
+import rdtest
+
+
+class GL_Leak_Check(rdtest.TestCase):
+    demos_test_name = 'GL_Leak_Check'
+    demos_frame_cap = 50000
+    demos_frame_count = 1
+
+    def check_capture(self):
+        memory: int = rd.GetCurrentProcessMemoryUsage()
+
+        if memory > 500*1000*1000:
+            raise rdtest.TestFailureException("Memory usage of {} is too high".format(memory))
+
+        rdtest.log.success("Capture {} opened with reasonable memory ({})".format(self.demos_frame_cap, memory))

util/test/tests/Vulkan/VK_Leak_Check.py

@@ -0,0 +1,16 @@
+import renderdoc as rd
+import rdtest
+
+
+class VK_Leak_Check(rdtest.TestCase):
+    demos_test_name = 'VK_Leak_Check'
+    demos_frame_cap = 50000
+    demos_frame_count = 1
+
+    def check_capture(self):
+        memory: int = rd.GetCurrentProcessMemoryUsage()
+
+        if memory > 500*1000*1000:
+            raise rdtest.TestFailureException("Memory usage of {} is too high".format(memory))
+
+        rdtest.log.success("Capture {} opened with reasonable memory ({})".format(self.demos_frame_cap, memory))