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Test case 3/4: Disable PS output for ALU and memfetch #502

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merged 6 commits into from
Aug 15, 2024
Merged

Test case 3/4: Disable PS output for ALU and memfetch #502

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04e2b70
Test case 3/4: Disable PS ouput for ALU and memfetch
RenfengLiu Aug 14, 2024
8d2e8bb
Add new disable output blend mode
RenfengLiu Aug 14, 2024
73bf8a5
upate the additional mode name
RenfengLiu Aug 14, 2024
7b58df1
cleanup
RenfengLiu Aug 14, 2024
87ba0b1
add back -Werror option
RenfengLiu Aug 14, 2024
3073906
Add BLEND_MODE_NONE
RenfengLiu Aug 14, 2024
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3 changes: 3 additions & 0 deletions assets/benchmarks/shaders/Benchmark_Texture.hlsl
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#include "Benchmark_Quad.hlsli"

Texture2D Tex[10] : register(t1); // Slot 0 is used by push constant.
RWStructuredBuffer<float> dataBuffer : register(u11);

float4 psmain(VSOutputPos input) : SV_TARGET
{
Expand All @@ -24,5 +25,7 @@ float4 psmain(VSOutputPos input) : SV_TARGET
{
color += Tex[i].Load(uint3(input.position.x, input.position.y, 0))/float(textureCount);
}
if (!any(color))
dataBuffer[0] = color.r;
return color;
}
29 changes: 28 additions & 1 deletion benchmarks/graphics_pipeline/GraphicsBenchmarkApp.cpp
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Expand Up @@ -38,6 +38,7 @@ static constexpr size_t SPHERE_METAL_ROUGHNESS_SAMPLER_REGISTER = 7;

static constexpr size_t QUADS_CONFIG_UNIFORM_BUFFER_REGISTER = 0;
static constexpr size_t QUADS_SAMPLED_IMAGE_REGISTER = 1;
static constexpr size_t QUADS_DUMMY_BUFFER_REGISTER = QUADS_SAMPLED_IMAGE_REGISTER + kMaxTextureCount;

#if defined(USE_DX12)
const grfx::Api kApi = grfx::API_DX_12_0;
Expand Down Expand Up @@ -190,6 +191,10 @@ void GraphicsBenchmarkApp::InitKnobs()
GetKnobManager().InitKnob(&pKnobTextureCount, "texture-count", /* defaultValue = */ 1, /* minValue = */ 1, kMaxTextureCount);
pKnobTextureCount->SetDisplayName("Number of texture to load in the shader");
pKnobTextureCount->SetFlagDescription("Select the number of texture to load in the shader.");

GetKnobManager().InitKnob(&pKnobDisablePsOutput, "disable-ps-output", false);
pKnobDisablePsOutput->SetDisplayName("Disable PS output");
pKnobDisablePsOutput->SetFlagDescription("Disable PS output.");
}

void GraphicsBenchmarkApp::Config(ppx::ApplicationSettings& settings)
Expand Down Expand Up @@ -243,6 +248,7 @@ void GraphicsBenchmarkApp::Setup()
createInfo.sampler = 5 * GetNumFramesInFlight(); // 1 for skybox, 3 for spheres, 1 for blit
createInfo.sampledImage = 15 * GetNumFramesInFlight(); // 1 for skybox, 3 for spheres, 10 for quads, 1 for blit
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createInfo.uniformBuffer = 2 * GetNumFramesInFlight(); // 1 for skybox, 1 for spheres
createInfo.structuredBuffer = 1; // 1 for quads dummy buffer

PPX_CHECKED_CALL(GetDevice()->CreateDescriptorPool(&createInfo, &mDescriptorPool));
}
Expand Down Expand Up @@ -482,10 +488,22 @@ void GraphicsBenchmarkApp::SetupFullscreenQuadsResources()
}
}

// dummy buffer
{
grfx::BufferCreateInfo bufferCreateInfo = {};
bufferCreateInfo.size = PPX_MINIMUM_STRUCTURED_BUFFER_SIZE;
bufferCreateInfo.structuredElementStride = static_cast<uint32_t>(sizeof(float));
bufferCreateInfo.usageFlags.bits.rwStructuredBuffer = true;
bufferCreateInfo.memoryUsage = grfx::MEMORY_USAGE_GPU_ONLY;
bufferCreateInfo.initialState = grfx::RESOURCE_STATE_GENERAL;
PPX_CHECKED_CALL(GetDevice()->CreateBuffer(&bufferCreateInfo, &mQuadsDummyBuffer));
}

// Descriptor set layout for texture shader
{
grfx::DescriptorSetLayoutCreateInfo layoutCreateInfo = {};
layoutCreateInfo.bindings.push_back(grfx::DescriptorBinding(QUADS_SAMPLED_IMAGE_REGISTER, grfx::DESCRIPTOR_TYPE_SAMPLED_IMAGE, kMaxTextureCount));
layoutCreateInfo.bindings.push_back(grfx::DescriptorBinding(QUADS_DUMMY_BUFFER_REGISTER, grfx::DESCRIPTOR_TYPE_RW_STRUCTURED_BUFFER));
PPX_CHECKED_CALL(GetDevice()->CreateDescriptorSetLayout(&layoutCreateInfo, &mFullscreenQuads.descriptorSetLayout));
}

Expand Down Expand Up @@ -552,6 +570,15 @@ void GraphicsBenchmarkApp::UpdateFullscreenQuadsDescriptors()
for (uint32_t j = 0; j < kMaxTextureCount; j++) {
PPX_CHECKED_CALL(pDescriptorSet->UpdateSampledImage(QUADS_SAMPLED_IMAGE_REGISTER, j, mQuadsTextures[j]));
}
grfx::WriteDescriptor write = {};
write.binding = QUADS_DUMMY_BUFFER_REGISTER;
write.arrayIndex = 0;
write.type = grfx::DESCRIPTOR_TYPE_RW_STRUCTURED_BUFFER;
write.bufferOffset = 0;
write.bufferRange = PPX_WHOLE_SIZE;
write.structuredElementCount = 1;
write.pBuffer = mQuadsDummyBuffer;
PPX_CHECKED_CALL(pDescriptorSet->UpdateDescriptors(1, &write));
}
}

Expand Down Expand Up @@ -751,7 +778,7 @@ Result GraphicsBenchmarkApp::CompilePipeline(const QuadPipelineKey& key)
gpCreateInfo.frontFace = grfx::FRONT_FACE_CW;
gpCreateInfo.depthReadEnable = false;
gpCreateInfo.depthWriteEnable = false;
gpCreateInfo.blendModes[0] = grfx::BLEND_MODE_NONE;
gpCreateInfo.blendModes[0] = pKnobDisablePsOutput->GetValue() ? grfx::BLEND_MODE_PREMULT_ALPHA : grfx::BLEND_MODE_NONE;
gpCreateInfo.outputState.renderTargetCount = 1;
gpCreateInfo.outputState.renderTargetFormats[0] = key.renderFormat;
gpCreateInfo.outputState.depthStencilFormat = GetSwapchain()->GetDepthFormat();
Expand Down
2 changes: 2 additions & 0 deletions benchmarks/graphics_pipeline/GraphicsBenchmarkApp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -481,6 +481,7 @@ class GraphicsBenchmarkApp
Entity2D mFullscreenQuads;
grfx::ShaderModulePtr mVSQuads;
std::array<grfx::TexturePtr, kMaxTextureCount> mQuadsTextures;
grfx::BufferPtr mQuadsDummyBuffer;
QuadPipelineMap mQuadsPipelines;
std::array<grfx::PipelineInterfacePtr, kFullscreenQuadsTypes.size()> mQuadsPipelineInterfaces;
std::array<grfx::ShaderModulePtr, kFullscreenQuadsTypes.size()> mQuadsPs;
Expand Down Expand Up @@ -532,6 +533,7 @@ class GraphicsBenchmarkApp

std::shared_ptr<KnobFlag<int>> pKnobAluCount;
std::shared_ptr<KnobFlag<int>> pKnobTextureCount;
std::shared_ptr<KnobCheckbox> pKnobDisablePsOutput;

private:
// =====================================================================
Expand Down
14 changes: 8 additions & 6 deletions src/ppx/grfx/grfx_pipeline.cpp
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Expand Up @@ -85,14 +85,14 @@ grfx::BlendAttachmentState BlendAttachmentState::BlendModeUnder()
grfx::BlendAttachmentState BlendAttachmentState::BlendModePremultAlpha()
{
grfx::BlendAttachmentState state = {};
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state.blendEnable = true;
state.blendEnable = false;
state.srcColorBlendFactor = grfx::BLEND_FACTOR_ONE;
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state.dstColorBlendFactor = grfx::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
state.dstColorBlendFactor = grfx::BLEND_FACTOR_ONE;
state.colorBlendOp = grfx::BLEND_OP_ADD;
state.srcAlphaBlendFactor = grfx::BLEND_FACTOR_ONE;
state.dstAlphaBlendFactor = grfx::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
state.dstAlphaBlendFactor = grfx::BLEND_FACTOR_ONE;
state.alphaBlendOp = grfx::BLEND_OP_ADD;
state.colorWriteMask = grfx::ColorComponentFlags::RGBA();
state.colorWriteMask = grfx::ColorComponentFlags(0);

return state;
}
Expand Down Expand Up @@ -153,7 +153,10 @@ void FillOutGraphicsPipelineCreateInfo(
pDstCreateInfo->colorBlendState.blendAttachmentCount = pSrcCreateInfo->outputState.renderTargetCount;
for (uint32_t i = 0; i < pDstCreateInfo->colorBlendState.blendAttachmentCount; ++i) {
switch (pSrcCreateInfo->blendModes[i]) {
default: break;
default: {
pDstCreateInfo->colorBlendState.blendAttachments[i].colorWriteMask = grfx::ColorComponentFlags::RGBA();
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break;
}

case grfx::BLEND_MODE_ADDITIVE: {
pDstCreateInfo->colorBlendState.blendAttachments[i] = grfx::BlendAttachmentState::BlendModeAdditive();
Expand All @@ -175,7 +178,6 @@ void FillOutGraphicsPipelineCreateInfo(
pDstCreateInfo->colorBlendState.blendAttachments[i] = grfx::BlendAttachmentState::BlendModePremultAlpha();
} break;
}
pDstCreateInfo->colorBlendState.blendAttachments[i].colorWriteMask = grfx::ColorComponentFlags::RGBA();
}
}

Expand Down
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