chromium/third_party/dawn/src/dawn/tests/perf_tests/UniformBufferUpdatePerf.cpp

// Copyright 2024 The Dawn & Tint Authors
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#include <queue>
#include <vector>

#include "dawn/common/MutexProtected.h"
#include "dawn/tests/perf_tests/DawnPerfTest.h"
#include "dawn/utils/ComboRenderPipelineDescriptor.h"
#include "dawn/utils/WGPUHelpers.h"

// This is for developers only to ensure the triangle color drawn is as expected.
// #define PIXEL_CHECK 1

namespace dawn {
namespace {

constexpr unsigned int kNumIterations = …;

constexpr uint32_t kTextureSize = …;
constexpr size_t kUniformDataSize = …;
constexpr size_t kUniformBufferSize = …;

constexpr float kVertexData[12] = …;

constexpr char kVertexShader[] = …;

constexpr char kFragmentShader[] = …;

enum class UploadMethod { … };

enum class UploadSize { … };

enum class UniformBuffer { … };

struct UniformBufferUpdateParams : AdapterTestParam { … };

std::ostream& operator<<(std::ostream& ostream, const UniformBufferUpdateParams& param) { … }

// Test updating a uniform buffer |kNumIterations| times.
class UniformBufferUpdatePerf : public DawnPerfTestWithParams<UniformBufferUpdateParams> { … };

std::vector<wgpu::FeatureName> UniformBufferUpdatePerf::GetRequiredFeatures() { … }

size_t UniformBufferUpdatePerf::GetBufferSize() { … }

// Try to grab a free uniform buffer. If unavailable, create a new one on-the-fly.
wgpu::Buffer UniformBufferUpdatePerf::FindOrCreateUniformBuffer() { … }

// Return a uniform buffer, so that it's free to be re-used.
void UniformBufferUpdatePerf::ReturnUniformBuffer(wgpu::Buffer buffer) { … }

// Try to grab a free staging buffer. If unavailable, create a new one on-the-fly.
wgpu::Buffer UniformBufferUpdatePerf::FindOrCreateStagingBuffer() { … }

// Return a staging buffer, so that it's free to be re-used.
void UniformBufferUpdatePerf::ReturnStagingBuffer(wgpu::Buffer buffer) { … }

void UniformBufferUpdatePerf::SetUp() { … }

void UniformBufferUpdatePerf::Step() { … }

TEST_P(UniformBufferUpdatePerf, Run) { … }

DAWN_INSTANTIATE_TEST_P(…);

}  // anonymous namespace
}  // namespace dawn