Source/ThirdParty/ANGLE/src/tests/perf_tests/DrawElementsPerf.cpp - WebKit - Git at Google

 //
 // Copyright 2017 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.
 //
 // DrawElementsPerf:
 //   Performance tests for ANGLE DrawElements call overhead.
 //

 #include <sstream>

 #include "ANGLEPerfTest.h"
 #include "DrawCallPerfParams.h"
 #include "test_utils/draw_call_perf_utils.h"

 namespace
 {

 GLuint CreateElementArrayBuffer(size_t count, GLenum type, GLenum usage)
 {
     GLuint buffer = 0u;
     glGenBuffers(1, &buffer);
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
     glBufferData(GL_ELEMENT_ARRAY_BUFFER, count * sizeof(type), nullptr, usage);

     return buffer;
 }

 struct DrawElementsPerfParams final : public DrawCallPerfParams
 {
     // Common default options
     DrawElementsPerfParams()
     {
         runTimeSeconds = 5.0;
         numTris        = 2;
     }

     std::string story() const override
     {
         std::stringstream strstr;

         strstr << DrawCallPerfParams::story();

         if (indexBufferChanged)
         {
             strstr << "_index_buffer_changed";
         }

         if (type == GL_UNSIGNED_SHORT)
         {
             strstr << "_ushort";
         }

         return strstr.str();
     }

     GLenum type             = GL_UNSIGNED_INT;
     bool indexBufferChanged = false;
 };

 std::ostream &operator<<(std::ostream &os, const DrawElementsPerfParams &params)
 {
     os << params.backendAndStory().substr(1);
     return os;
 }

 class DrawElementsPerfBenchmark : public ANGLERenderTest,
                                   public ::testing::WithParamInterface<DrawElementsPerfParams>
 {
   public:
     DrawElementsPerfBenchmark();

     void initializeBenchmark() override;
     void destroyBenchmark() override;
     void drawBenchmark() override;

   private:
     GLuint mProgram     = 0;
     GLuint mBuffer      = 0;
     GLuint mIndexBuffer = 0;
     GLuint mFBO         = 0;
     GLuint mTexture     = 0;
     GLsizei mBufferSize = 0;
     int mCount          = 3 * GetParam().numTris;
     std::vector<GLuint> mIntIndexData;
     std::vector<GLushort> mShortIndexData;
 };

 DrawElementsPerfBenchmark::DrawElementsPerfBenchmark()
     : ANGLERenderTest("DrawElementsPerf", GetParam())
 {
     if (GetParam().type == GL_UNSIGNED_INT)
     {
         addExtensionPrerequisite("GL_OES_element_index_uint");
     }
 }

 GLsizei ElementTypeSize(GLenum elementType)
 {
     switch (elementType)
     {
         case GL_UNSIGNED_BYTE:
             return sizeof(GLubyte);
         case GL_UNSIGNED_SHORT:
             return sizeof(GLushort);
         case GL_UNSIGNED_INT:
             return sizeof(GLuint);
         default:
             return 0;
     }
 }

 void DrawElementsPerfBenchmark::initializeBenchmark()
 {
     const auto &params = GetParam();

     mProgram = SetupSimpleDrawProgram();
     ASSERT_NE(0u, mProgram);

     glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

     mBuffer      = Create2DTriangleBuffer(params.numTris, GL_STATIC_DRAW);
     mIndexBuffer = CreateElementArrayBuffer(mCount, params.type, GL_STATIC_DRAW);

     for (int i = 0; i < mCount; i++)
     {
         ASSERT_GE(std::numeric_limits<GLushort>::max(), mCount);
         mShortIndexData.push_back(static_cast<GLushort>(rand() % mCount));
         mIntIndexData.push_back(rand() % mCount);
     }

     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer);

     mBufferSize = ElementTypeSize(params.type) * mCount;

     if (params.type == GL_UNSIGNED_INT)
     {
         glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mBufferSize, mIntIndexData.data());
     }
     else
     {
         glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mBufferSize, mShortIndexData.data());
     }

     glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
     glEnableVertexAttribArray(0);

     // Set the viewport
     glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());

     if (params.offscreen)
     {
         CreateColorFBO(getWindow()->getWidth(), getWindow()->getHeight(), &mTexture, &mFBO);
     }

     ASSERT_GL_NO_ERROR();
 }

 void DrawElementsPerfBenchmark::destroyBenchmark()
 {
     glDeleteProgram(mProgram);
     glDeleteBuffers(1, &mBuffer);
     glDeleteBuffers(1, &mIndexBuffer);
     glDeleteTextures(1, &mTexture);
     glDeleteFramebuffers(1, &mFBO);
 }

 void DrawElementsPerfBenchmark::drawBenchmark()
 {
     // This workaround fixes a huge queue of graphics commands accumulating on the GL
     // back-end. The GL back-end doesn't have a proper NULL device at the moment.
     // TODO(jmadill): Remove this when/if we ever get a proper OpenGL NULL device.
     const auto &eglParams = GetParam().eglParameters;
     if (eglParams.deviceType != EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE ||
         (eglParams.renderer != EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE &&
          eglParams.renderer != EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE))
     {
         glClear(GL_COLOR_BUFFER_BIT);
     }

     const DrawElementsPerfParams &params = GetParam();

     if (params.indexBufferChanged)
     {
         const void *bufferData = (params.type == GL_UNSIGNED_INT)
                                      ? static_cast<GLvoid *>(mIntIndexData.data())
                                      : static_cast<GLvoid *>(mShortIndexData.data());
         for (unsigned int it = 0; it < params.iterationsPerStep; it++)
         {
             glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mBufferSize, bufferData);
             glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(mCount), params.type, 0);
         }
     }
     else
     {
         for (unsigned int it = 0; it < params.iterationsPerStep; it++)
         {
             glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(mCount), params.type, 0);
         }
     }

     ASSERT_GL_NO_ERROR();
 }

 DrawElementsPerfParams DrawElementsPerfD3D11Params(bool indexBufferChanged,
                                                    bool useNullDevice,
                                                    GLenum indexType)
 {
     DrawElementsPerfParams params;
     params.eglParameters =
         useNullDevice ? angle::egl_platform::D3D11_NULL() : angle::egl_platform::D3D11();
     params.indexBufferChanged = indexBufferChanged;
     params.type               = indexType;

     // Scale down iterations for slower tests.
     if (indexBufferChanged)
         params.iterationsPerStep /= 100;

     return params;
 }

 DrawElementsPerfParams DrawElementsPerfD3D9Params(bool indexBufferChanged)
 {
     DrawElementsPerfParams params;
     params.eglParameters      = angle::egl_platform::D3D9();
     params.indexBufferChanged = indexBufferChanged;

     // Scale down iterations for slower tests.
     if (indexBufferChanged)
         params.iterationsPerStep /= 100;

     return params;
 }

 DrawElementsPerfParams DrawElementsPerfOpenGLOrGLESParams(bool indexBufferChanged,
                                                           bool useNullDevice,
                                                           GLenum indexType)
 {
     DrawElementsPerfParams params;
     params.eglParameters = useNullDevice ? angle::egl_platform::OPENGL_OR_GLES_NULL()
                                          : angle::egl_platform::OPENGL_OR_GLES();
     params.indexBufferChanged = indexBufferChanged;
     params.type               = indexType;

     // Scale down iterations for slower tests.
     if (indexBufferChanged)
         params.iterationsPerStep /= 100;

     return params;
 }

 DrawElementsPerfParams DrawElementsPerfVulkanParams(bool indexBufferChanged,
                                                     bool useNullDevice,
                                                     GLenum indexType)
 {
     DrawElementsPerfParams params;
     params.eglParameters =
         useNullDevice ? angle::egl_platform::VULKAN_NULL() : angle::egl_platform::VULKAN();
     params.indexBufferChanged = indexBufferChanged;
     params.type               = indexType;

     // Scale down iterations for slower tests.
     if (indexBufferChanged)
         params.iterationsPerStep /= 100;

     return params;
 }

 DrawElementsPerfParams DrawElementsPerfWGLParams(bool indexBufferChanged, GLenum indexType)
 {
     DrawElementsPerfParams params;
     params.driver = angle::GLESDriverType::SystemWGL;

     params.indexBufferChanged = indexBufferChanged;
     params.type               = indexType;

     // Scale down iterations for slower tests.
     if (indexBufferChanged)
         params.iterationsPerStep /= 100;

     return params;
 }

 TEST_P(DrawElementsPerfBenchmark, Run)
 {
     run();
 }

 ANGLE_INSTANTIATE_TEST(DrawElementsPerfBenchmark,
                        DrawElementsPerfD3D9Params(false),
                        DrawElementsPerfD3D9Params(true),
                        DrawElementsPerfD3D11Params(false, true, GL_UNSIGNED_INT),
                        DrawElementsPerfD3D11Params(true, true, GL_UNSIGNED_INT),
                        DrawElementsPerfD3D11Params(false, false, GL_UNSIGNED_INT),
                        DrawElementsPerfD3D11Params(true, false, GL_UNSIGNED_INT),
                        DrawElementsPerfD3D11Params(false, false, GL_UNSIGNED_SHORT),
                        DrawElementsPerfD3D11Params(false, true, GL_UNSIGNED_SHORT),
                        DrawElementsPerfOpenGLOrGLESParams(false, false, GL_UNSIGNED_SHORT),
                        DrawElementsPerfOpenGLOrGLESParams(false, true, GL_UNSIGNED_SHORT),
                        DrawElementsPerfOpenGLOrGLESParams(true, false, GL_UNSIGNED_SHORT),
                        DrawElementsPerfOpenGLOrGLESParams(false, false, GL_UNSIGNED_INT),
                        DrawElementsPerfOpenGLOrGLESParams(true, false, GL_UNSIGNED_INT),
                        DrawElementsPerfVulkanParams(false, false, GL_UNSIGNED_SHORT),
                        DrawElementsPerfVulkanParams(false, true, GL_UNSIGNED_SHORT),
                        DrawElementsPerfVulkanParams(false, false, GL_UNSIGNED_INT),
                        DrawElementsPerfVulkanParams(false, true, GL_UNSIGNED_INT),
                        DrawElementsPerfWGLParams(false, GL_UNSIGNED_SHORT));

 }  // anonymous namespace
	//
	// Copyright 2017 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.
	//
	// DrawElementsPerf:
	// Performance tests for ANGLE DrawElements call overhead.
	//

	#include <sstream>

	#include "ANGLEPerfTest.h"
	#include "DrawCallPerfParams.h"
	#include "test_utils/draw_call_perf_utils.h"

	namespace
	{

	GLuint CreateElementArrayBuffer(size_t count, GLenum type, GLenum usage)
	{
	GLuint buffer = 0u;
	glGenBuffers(1, &buffer);
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
	glBufferData(GL_ELEMENT_ARRAY_BUFFER, count * sizeof(type), nullptr, usage);

	return buffer;
	}

	struct DrawElementsPerfParams final : public DrawCallPerfParams
	{
	// Common default options
	DrawElementsPerfParams()
	{
	runTimeSeconds = 5.0;
	numTris = 2;
	}

	std::string story() const override
	{
	std::stringstream strstr;

	strstr << DrawCallPerfParams::story();

	if (indexBufferChanged)
	{
	strstr << "_index_buffer_changed";
	}

	if (type == GL_UNSIGNED_SHORT)
	{
	strstr << "_ushort";
	}

	return strstr.str();
	}

	GLenum type = GL_UNSIGNED_INT;
	bool indexBufferChanged = false;
	};

	std::ostream &operator<<(std::ostream &os, const DrawElementsPerfParams &params)
	{
	os << params.backendAndStory().substr(1);
	return os;
	}

	class DrawElementsPerfBenchmark : public ANGLERenderTest,
	public ::testing::WithParamInterface<DrawElementsPerfParams>
	{
	public:
	DrawElementsPerfBenchmark();

	void initializeBenchmark() override;
	void destroyBenchmark() override;
	void drawBenchmark() override;

	private:
	GLuint mProgram = 0;
	GLuint mBuffer = 0;
	GLuint mIndexBuffer = 0;
	GLuint mFBO = 0;
	GLuint mTexture = 0;
	GLsizei mBufferSize = 0;
	int mCount = 3 * GetParam().numTris;
	std::vector<GLuint> mIntIndexData;
	std::vector<GLushort> mShortIndexData;
	};

	DrawElementsPerfBenchmark::DrawElementsPerfBenchmark()
	: ANGLERenderTest("DrawElementsPerf", GetParam())
	{
	if (GetParam().type == GL_UNSIGNED_INT)
	{
	addExtensionPrerequisite("GL_OES_element_index_uint");
	}
	}

	GLsizei ElementTypeSize(GLenum elementType)
	{
	switch (elementType)
	{
	case GL_UNSIGNED_BYTE:
	return sizeof(GLubyte);
	case GL_UNSIGNED_SHORT:
	return sizeof(GLushort);
	case GL_UNSIGNED_INT:
	return sizeof(GLuint);
	default:
	return 0;
	}
	}

	void DrawElementsPerfBenchmark::initializeBenchmark()
	{
	const auto &params = GetParam();

	mProgram = SetupSimpleDrawProgram();
	ASSERT_NE(0u, mProgram);

	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

	mBuffer = Create2DTriangleBuffer(params.numTris, GL_STATIC_DRAW);
	mIndexBuffer = CreateElementArrayBuffer(mCount, params.type, GL_STATIC_DRAW);

	for (int i = 0; i < mCount; i++)
	{
	ASSERT_GE(std::numeric_limits<GLushort>::max(), mCount);
	mShortIndexData.push_back(static_cast<GLushort>(rand() % mCount));
	mIntIndexData.push_back(rand() % mCount);
	}

	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer);

	mBufferSize = ElementTypeSize(params.type) * mCount;

	if (params.type == GL_UNSIGNED_INT)
	{
	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mBufferSize, mIntIndexData.data());
	}
	else
	{
	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mBufferSize, mShortIndexData.data());
	}

	glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
	glEnableVertexAttribArray(0);

	// Set the viewport
	glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());

	if (params.offscreen)
	{
	CreateColorFBO(getWindow()->getWidth(), getWindow()->getHeight(), &mTexture, &mFBO);
	}

	ASSERT_GL_NO_ERROR();
	}

	void DrawElementsPerfBenchmark::destroyBenchmark()
	{
	glDeleteProgram(mProgram);
	glDeleteBuffers(1, &mBuffer);
	glDeleteBuffers(1, &mIndexBuffer);
	glDeleteTextures(1, &mTexture);
	glDeleteFramebuffers(1, &mFBO);
	}

	void DrawElementsPerfBenchmark::drawBenchmark()
	{
	// This workaround fixes a huge queue of graphics commands accumulating on the GL
	// back-end. The GL back-end doesn't have a proper NULL device at the moment.
	// TODO(jmadill): Remove this when/if we ever get a proper OpenGL NULL device.
	const auto &eglParams = GetParam().eglParameters;
	if (eglParams.deviceType != EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE \|\|
	(eglParams.renderer != EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE &&
	eglParams.renderer != EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE))
	{
	glClear(GL_COLOR_BUFFER_BIT);
	}

	const DrawElementsPerfParams &params = GetParam();

	if (params.indexBufferChanged)
	{
	const void *bufferData = (params.type == GL_UNSIGNED_INT)
	? static_cast<GLvoid *>(mIntIndexData.data())
	: static_cast<GLvoid *>(mShortIndexData.data());
	for (unsigned int it = 0; it < params.iterationsPerStep; it++)
	{
	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mBufferSize, bufferData);
	glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(mCount), params.type, 0);
	}
	}
	else
	{
	for (unsigned int it = 0; it < params.iterationsPerStep; it++)
	{
	glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(mCount), params.type, 0);
	}
	}

	ASSERT_GL_NO_ERROR();
	}

	DrawElementsPerfParams DrawElementsPerfD3D11Params(bool indexBufferChanged,
	bool useNullDevice,
	GLenum indexType)
	{
	DrawElementsPerfParams params;
	params.eglParameters =
	useNullDevice ? angle::egl_platform::D3D11_NULL() : angle::egl_platform::D3D11();
	params.indexBufferChanged = indexBufferChanged;
	params.type = indexType;

	// Scale down iterations for slower tests.
	if (indexBufferChanged)
	params.iterationsPerStep /= 100;

	return params;
	}

	DrawElementsPerfParams DrawElementsPerfD3D9Params(bool indexBufferChanged)
	{
	DrawElementsPerfParams params;
	params.eglParameters = angle::egl_platform::D3D9();
	params.indexBufferChanged = indexBufferChanged;

	// Scale down iterations for slower tests.
	if (indexBufferChanged)
	params.iterationsPerStep /= 100;

	return params;
	}

	DrawElementsPerfParams DrawElementsPerfOpenGLOrGLESParams(bool indexBufferChanged,
	bool useNullDevice,
	GLenum indexType)
	{
	DrawElementsPerfParams params;
	params.eglParameters = useNullDevice ? angle::egl_platform::OPENGL_OR_GLES_NULL()
	: angle::egl_platform::OPENGL_OR_GLES();
	params.indexBufferChanged = indexBufferChanged;
	params.type = indexType;

	// Scale down iterations for slower tests.
	if (indexBufferChanged)
	params.iterationsPerStep /= 100;

	return params;
	}

	DrawElementsPerfParams DrawElementsPerfVulkanParams(bool indexBufferChanged,
	bool useNullDevice,
	GLenum indexType)
	{
	DrawElementsPerfParams params;
	params.eglParameters =
	useNullDevice ? angle::egl_platform::VULKAN_NULL() : angle::egl_platform::VULKAN();
	params.indexBufferChanged = indexBufferChanged;
	params.type = indexType;

	// Scale down iterations for slower tests.
	if (indexBufferChanged)
	params.iterationsPerStep /= 100;

	return params;
	}

	DrawElementsPerfParams DrawElementsPerfWGLParams(bool indexBufferChanged, GLenum indexType)
	{
	DrawElementsPerfParams params;
	params.driver = angle::GLESDriverType::SystemWGL;

	params.indexBufferChanged = indexBufferChanged;
	params.type = indexType;

	// Scale down iterations for slower tests.
	if (indexBufferChanged)
	params.iterationsPerStep /= 100;

	return params;
	}

	TEST_P(DrawElementsPerfBenchmark, Run)
	{
	run();
	}

	ANGLE_INSTANTIATE_TEST(DrawElementsPerfBenchmark,
	DrawElementsPerfD3D9Params(false),
	DrawElementsPerfD3D9Params(true),
	DrawElementsPerfD3D11Params(false, true, GL_UNSIGNED_INT),
	DrawElementsPerfD3D11Params(true, true, GL_UNSIGNED_INT),
	DrawElementsPerfD3D11Params(false, false, GL_UNSIGNED_INT),
	DrawElementsPerfD3D11Params(true, false, GL_UNSIGNED_INT),
	DrawElementsPerfD3D11Params(false, false, GL_UNSIGNED_SHORT),
	DrawElementsPerfD3D11Params(false, true, GL_UNSIGNED_SHORT),
	DrawElementsPerfOpenGLOrGLESParams(false, false, GL_UNSIGNED_SHORT),
	DrawElementsPerfOpenGLOrGLESParams(false, true, GL_UNSIGNED_SHORT),
	DrawElementsPerfOpenGLOrGLESParams(true, false, GL_UNSIGNED_SHORT),
	DrawElementsPerfOpenGLOrGLESParams(false, false, GL_UNSIGNED_INT),
	DrawElementsPerfOpenGLOrGLESParams(true, false, GL_UNSIGNED_INT),
	DrawElementsPerfVulkanParams(false, false, GL_UNSIGNED_SHORT),
	DrawElementsPerfVulkanParams(false, true, GL_UNSIGNED_SHORT),
	DrawElementsPerfVulkanParams(false, false, GL_UNSIGNED_INT),
	DrawElementsPerfVulkanParams(false, true, GL_UNSIGNED_INT),
	DrawElementsPerfWGLParams(false, GL_UNSIGNED_SHORT));

	} // anonymous namespace