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//
// Copyright 2019 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.
//
// TextureUploadBenchmark:
// Performance test for uploading texture data.
//
#include "ANGLEPerfTest.h"
#include <iostream>
#include <random>
#include <sstream>
#include "test_utils/gl_raii.h"
#include "util/shader_utils.h"
using namespace angle;
namespace
{
constexpr unsigned int kIterationsPerStep = 2;
struct TextureUploadParams final : public RenderTestParams
{
TextureUploadParams()
{
iterationsPerStep = kIterationsPerStep;
trackGpuTime = true;
baseSize = 1024;
subImageSize = 64;
webgl = false;
}
std::string story() const override;
GLsizei baseSize;
GLsizei subImageSize;
bool webgl;
};
std::ostream &operator<<(std::ostream &os, const TextureUploadParams &params)
{
os << params.backendAndStory().substr(1);
return os;
}
std::string TextureUploadParams::story() const
{
std::stringstream strstr;
strstr << RenderTestParams::story();
if (webgl)
{
strstr << "_webgl";
}
return strstr.str();
}
class TextureUploadBenchmarkBase : public ANGLERenderTest,
public ::testing::WithParamInterface<TextureUploadParams>
{
public:
TextureUploadBenchmarkBase(const char *benchmarkName);
void initializeBenchmark() override;
void destroyBenchmark() override;
protected:
void initShaders();
GLuint mProgram = 0;
GLint mPositionLoc = -1;
GLint mSamplerLoc = -1;
GLuint mTexture = 0;
std::vector<float> mTextureData;
};
class TextureUploadSubImageBenchmark : public TextureUploadBenchmarkBase
{
public:
TextureUploadSubImageBenchmark() : TextureUploadBenchmarkBase("TexSubImage")
{
addExtensionPrerequisite("GL_EXT_texture_storage");
}
void initializeBenchmark() override
{
TextureUploadBenchmarkBase::initializeBenchmark();
const auto &params = GetParam();
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8, params.baseSize, params.baseSize);
}
void drawBenchmark() override;
};
class TextureUploadFullMipBenchmark : public TextureUploadBenchmarkBase
{
public:
TextureUploadFullMipBenchmark() : TextureUploadBenchmarkBase("TextureUpload") {}
void drawBenchmark() override;
};
TextureUploadBenchmarkBase::TextureUploadBenchmarkBase(const char *benchmarkName)
: ANGLERenderTest(benchmarkName, GetParam())
{
setWebGLCompatibilityEnabled(GetParam().webgl);
setRobustResourceInit(GetParam().webgl);
// Crashes on nvidia+d3d11. http://crbug.com/945415
if (GetParam().getRenderer() == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
{
mSkipTest = true;
}
}
void TextureUploadBenchmarkBase::initializeBenchmark()
{
const auto &params = GetParam();
initShaders();
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
if (params.webgl)
{
glRequestExtensionANGLE("GL_EXT_disjoint_timer_query");
}
glActiveTexture(GL_TEXTURE0);
glGenTextures(1, &mTexture);
glBindTexture(GL_TEXTURE_2D, mTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
ASSERT_TRUE(params.baseSize >= params.subImageSize);
mTextureData.resize(params.baseSize * params.baseSize * 4, 0.5);
ASSERT_GL_NO_ERROR();
}
void TextureUploadBenchmarkBase::initShaders()
{
constexpr char kVS[] = R"(attribute vec4 a_position;
void main()
{
gl_Position = a_position;
})";
constexpr char kFS[] = R"(precision mediump float;
uniform sampler2D s_texture;
void main()
{
gl_FragColor = texture2D(s_texture, vec2(0, 0));
})";
mProgram = CompileProgram(kVS, kFS);
ASSERT_NE(0u, mProgram);
mPositionLoc = glGetAttribLocation(mProgram, "a_position");
mSamplerLoc = glGetUniformLocation(mProgram, "s_texture");
glUseProgram(mProgram);
glUniform1i(mSamplerLoc, 0);
glDisable(GL_DEPTH_TEST);
ASSERT_GL_NO_ERROR();
}
void TextureUploadBenchmarkBase::destroyBenchmark()
{
glDeleteTextures(1, &mTexture);
glDeleteProgram(mProgram);
}
void TextureUploadSubImageBenchmark::drawBenchmark()
{
const auto &params = GetParam();
startGpuTimer();
for (unsigned int iteration = 0; iteration < params.iterationsPerStep; ++iteration)
{
glTexSubImage2D(GL_TEXTURE_2D, 0, rand() % (params.baseSize - params.subImageSize),
rand() % (params.baseSize - params.subImageSize), params.subImageSize,
params.subImageSize, GL_RGBA, GL_UNSIGNED_BYTE, mTextureData.data());
// Perform a draw just so the texture data is flushed. With the position attributes not
// set, a constant default value is used, resulting in a very cheap draw.
glDrawArrays(GL_TRIANGLES, 0, 3);
}
stopGpuTimer();
ASSERT_GL_NO_ERROR();
}
void TextureUploadFullMipBenchmark::drawBenchmark()
{
const auto &params = GetParam();
startGpuTimer();
for (size_t it = 0; it < params.iterationsPerStep; ++it)
{
// Stage data for all mips
GLint mip = 0;
for (GLsizei levelSize = params.baseSize; levelSize > 0; levelSize >>= 1)
{
glTexImage2D(GL_TEXTURE_2D, mip++, GL_RGBA, levelSize, levelSize, 0, GL_RGBA,
GL_UNSIGNED_BYTE, mTextureData.data());
}
// Perform a draw just so the texture data is flushed. With the position attributes not
// set, a constant default value is used, resulting in a very cheap draw.
glDrawArrays(GL_TRIANGLES, 0, 3);
}
stopGpuTimer();
ASSERT_GL_NO_ERROR();
}
TextureUploadParams D3D11Params(bool webglCompat)
{
TextureUploadParams params;
params.eglParameters = egl_platform::D3D11();
params.webgl = webglCompat;
return params;
}
TextureUploadParams OpenGLOrGLESParams(bool webglCompat)
{
TextureUploadParams params;
params.eglParameters = egl_platform::OPENGL_OR_GLES();
params.webgl = webglCompat;
return params;
}
TextureUploadParams VulkanParams(bool webglCompat)
{
TextureUploadParams params;
params.eglParameters = egl_platform::VULKAN();
params.webgl = webglCompat;
return params;
}
} // anonymous namespace
TEST_P(TextureUploadSubImageBenchmark, Run)
{
run();
}
TEST_P(TextureUploadFullMipBenchmark, Run)
{
run();
}
using namespace params;
ANGLE_INSTANTIATE_TEST(TextureUploadSubImageBenchmark,
D3D11Params(false),
D3D11Params(true),
OpenGLOrGLESParams(false),
OpenGLOrGLESParams(true),
VulkanParams(false),
NullDevice(VulkanParams(false)),
VulkanParams(true));
ANGLE_INSTANTIATE_TEST(TextureUploadFullMipBenchmark,
D3D11Params(false),
D3D11Params(true),
OpenGLOrGLESParams(false),
OpenGLOrGLESParams(true),
VulkanParams(false),
NullDevice(VulkanParams(false)),
VulkanParams(true));