chromium/third_party/angle/src/tests/perf_tests/GenerateMipmapPerf.cpp

//
// Copyright 2020 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// GenerateMipmapBenchmark:
//   Performance test for generating texture mipmaps.
//

#include "ANGLEPerfTest.h"

#include <iostream>
#include <random>
#include <sstream>

#include "test_utils/gl_raii.h"
#include "util/shader_utils.h"

usingnamespaceangle;

namespace
{
constexpr unsigned int kIterationsPerStep = …;

struct GenerateMipmapParams final : public RenderTestParams
{ … };

std::ostream &operator<<(std::ostream &os, const GenerateMipmapParams &params)
{ … }

std::string GenerateMipmapParams::story() const
{ … }

template <typename T>
void FillWithRandomData(T *storage)
{ … }

class GenerateMipmapBenchmarkBase : public ANGLERenderTest,
                                    public ::testing::WithParamInterface<GenerateMipmapParams>
{ … };

class GenerateMipmapBenchmark : public GenerateMipmapBenchmarkBase
{ … };

class GenerateMipmapWithRedefineBenchmark : public GenerateMipmapBenchmarkBase
{ … };

GenerateMipmapBenchmarkBase::GenerateMipmapBenchmarkBase(const char *benchmarkName)
    : … { … }

void GenerateMipmapBenchmarkBase::initializeBenchmark()
{ … }

void GenerateMipmapBenchmarkBase::initShaders()
{ … }

void GenerateMipmapBenchmarkBase::destroyBenchmark()
{ … }

void GenerateMipmapBenchmark::initializeBenchmark()
{ … }

void GenerateMipmapBenchmark::drawBenchmark()
{ … }

void GenerateMipmapWithRedefineBenchmark::drawBenchmark()
{ … }

GenerateMipmapParams D3D11Params(bool webglCompat, bool singleIteration)
{ … }

GenerateMipmapParams MetalParams(bool webglCompat, bool singleIteration)
{ … }

GenerateMipmapParams OpenGLOrGLESParams(bool webglCompat, bool singleIteration)
{ … }

GenerateMipmapParams VulkanParams(bool webglCompat, bool singleIteration, bool emulatedFormat)
{ … }

}  // anonymous namespace

TEST_P(GenerateMipmapBenchmark, Run)
{ … }

TEST_P(GenerateMipmapWithRedefineBenchmark, Run)
{ … }

usingnamespaceparams;

ANGLE_INSTANTIATE_TEST(…);

ANGLE_INSTANTIATE_TEST(…);