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//
// Copyright 2015 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.
//
// IndexDataManagerPerfTest:
// Performance test for index buffer management.
//
#include "ANGLEPerfTest.h"
#include <gmock/gmock.h>
#include "angle_unittests_utils.h"
#include "libANGLE/renderer/d3d/BufferD3D.h"
#include "libANGLE/renderer/d3d/IndexBuffer.h"
#include "libANGLE/renderer/d3d/IndexDataManager.h"
using namespace testing;
namespace
{
class MockIndexBuffer : public rx::IndexBuffer
{
public:
MockIndexBuffer(unsigned int bufferSize, GLenum indexType)
: mBufferSize(bufferSize),
mIndexType(indexType)
{
}
MOCK_METHOD3(initialize, gl::Error(unsigned int, GLenum, bool));
MOCK_METHOD3(mapBuffer, gl::Error(unsigned int, unsigned int, void**));
MOCK_METHOD0(unmapBuffer, gl::Error());
MOCK_METHOD0(discard, gl::Error());
MOCK_METHOD2(setSize, gl::Error(unsigned int, GLenum));
// inlined for speed
GLenum getIndexType() const override { return mIndexType; }
unsigned int getBufferSize() const override { return mBufferSize; }
private:
unsigned int mBufferSize;
GLenum mIndexType;
};
class MockBufferFactoryD3D : public rx::BufferFactoryD3D
{
public:
MockBufferFactoryD3D(unsigned int bufferSize, GLenum indexType)
: mBufferSize(bufferSize),
mIndexType(indexType)
{
}
MOCK_METHOD0(createVertexBuffer, rx::VertexBuffer*());
MOCK_CONST_METHOD1(getVertexConversionType, rx::VertexConversionType(gl::VertexFormatType));
MOCK_CONST_METHOD1(getVertexComponentType, GLenum(gl::VertexFormatType));
MOCK_CONST_METHOD3(getVertexSpaceRequired,
gl::ErrorOrResult<unsigned int>(const gl::VertexAttribute &,
GLsizei,
GLsizei));
// Dependency injection
rx::IndexBuffer* createIndexBuffer() override
{
return new MockIndexBuffer(mBufferSize, mIndexType);
}
private:
unsigned int mBufferSize;
GLenum mIndexType;
};
class MockBufferD3D : public rx::BufferD3D
{
public:
MockBufferD3D(rx::BufferFactoryD3D *factory) : BufferD3D(mockState, factory), mData() {}
// BufferImpl
gl::Error setData(GLenum target, const void *data, size_t size, GLenum) override
{
mData.resize(size);
if (data && size > 0)
{
memcpy(&mData[0], data, size);
}
return gl::Error(GL_NO_ERROR);
}
MOCK_METHOD4(setSubData, gl::Error(GLenum, const void *, size_t, size_t));
MOCK_METHOD4(copySubData, gl::Error(BufferImpl*, GLintptr, GLintptr, GLsizeiptr));
MOCK_METHOD2(map, gl::Error(GLenum, GLvoid **));
MOCK_METHOD4(mapRange, gl::Error(size_t, size_t, GLbitfield, GLvoid **));
MOCK_METHOD1(unmap, gl::Error(GLboolean *));
// BufferD3D
MOCK_METHOD0(markTransformFeedbackUsage, gl::Error());
// inlined for speed
bool supportsDirectBinding() const override { return false; }
size_t getSize() const override { return mData.size(); }
gl::Error getData(const uint8_t **outData) override
{
*outData = &mData[0];
return gl::Error(GL_NO_ERROR);
}
private:
gl::BufferState mockState;
std::vector<uint8_t> mData;
};
class MockGLFactoryD3D : public rx::MockGLFactory
{
public:
MockGLFactoryD3D(MockBufferFactoryD3D *bufferFactory) : mBufferFactory(bufferFactory) {}
rx::BufferImpl *createBuffer(const gl::BufferState &state) override
{
MockBufferD3D *mockBufferD3D = new MockBufferD3D(mBufferFactory);
EXPECT_CALL(*mBufferFactory, createVertexBuffer())
.WillOnce(Return(nullptr))
.RetiresOnSaturation();
mockBufferD3D->initializeStaticData();
return mockBufferD3D;
}
MockBufferFactoryD3D *mBufferFactory;
};
class IndexDataManagerPerfTest : public ANGLEPerfTest
{
public:
IndexDataManagerPerfTest();
void step() override;
rx::IndexDataManager mIndexDataManager;
GLsizei mIndexCount;
unsigned int mBufferSize;
MockBufferFactoryD3D mMockBufferFactory;
MockGLFactoryD3D mMockGLFactory;
gl::Buffer mIndexBuffer;
};
IndexDataManagerPerfTest::IndexDataManagerPerfTest()
: ANGLEPerfTest("IndexDataManger", "_run"),
mIndexDataManager(&mMockBufferFactory, rx::RENDERER_D3D11),
mIndexCount(4000),
mBufferSize(mIndexCount * sizeof(GLushort)),
mMockBufferFactory(mBufferSize, GL_UNSIGNED_SHORT),
mMockGLFactory(&mMockBufferFactory),
mIndexBuffer(&mMockGLFactory, 1)
{
std::vector<GLushort> indexData(mIndexCount);
for (GLsizei index = 0; index < mIndexCount; ++index)
{
indexData[index] = static_cast<GLushort>(index);
}
mIndexBuffer.bufferData(GL_ARRAY_BUFFER, &indexData[0], indexData.size() * sizeof(GLushort),
GL_STATIC_DRAW);
}
void IndexDataManagerPerfTest::step()
{
rx::TranslatedIndexData translatedIndexData;
for (unsigned int iteration = 0; iteration < 100; ++iteration)
{
mIndexBuffer.getIndexRange(GL_UNSIGNED_SHORT, 0, mIndexCount, false,
&translatedIndexData.indexRange);
mIndexDataManager.prepareIndexData(GL_UNSIGNED_SHORT, mIndexCount, &mIndexBuffer, nullptr,
&translatedIndexData, false);
}
}
TEST_F(IndexDataManagerPerfTest, Run)
{
run();
}
} // anonymous namespace
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