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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <GLES2/gl2.h>
#include <GLES2/gl2chromium.h>
#include <GLES2/gl2ext.h>
#include <GLES2/gl2extchromium.h>
#include "base/bind.h"
#include "base/memory/ref_counted.h"
#include "base/process/process_handle.h"
#include "gpu/command_buffer/client/gles2_implementation.h"
#include "gpu/command_buffer/client/gpu_memory_buffer_factory.h"
#include "gpu/command_buffer/service/command_buffer_service.h"
#include "gpu/command_buffer/service/image_manager.h"
#include "gpu/command_buffer/tests/gl_manager.h"
#include "gpu/command_buffer/tests/gl_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_image.h"
using testing::_;
using testing::IgnoreResult;
using testing::InvokeWithoutArgs;
using testing::Invoke;
using testing::Return;
using testing::SetArgPointee;
using testing::StrictMock;
namespace gpu {
namespace gles2 {
static const int kImageWidth = 32;
static const int kImageHeight = 32;
static const int kImageBytesPerPixel = 4;
class MockGpuMemoryBuffer : public gfx::GpuMemoryBuffer {
public:
MockGpuMemoryBuffer(int width, int height) {}
virtual ~MockGpuMemoryBuffer() {
Die();
}
MOCK_METHOD0(Map, void*());
MOCK_METHOD0(Unmap, void());
MOCK_CONST_METHOD0(IsMapped, bool());
MOCK_CONST_METHOD0(GetStride, uint32());
MOCK_CONST_METHOD0(GetHandle, gfx::GpuMemoryBufferHandle());
MOCK_METHOD0(Die, void());
private:
DISALLOW_COPY_AND_ASSIGN(MockGpuMemoryBuffer);
};
class MockGpuMemoryBufferFactory : public GpuMemoryBufferFactory {
public:
MockGpuMemoryBufferFactory() {}
virtual ~MockGpuMemoryBufferFactory() {}
MOCK_METHOD4(CreateGpuMemoryBuffer,
gfx::GpuMemoryBuffer*(size_t, size_t, unsigned, unsigned));
private:
DISALLOW_COPY_AND_ASSIGN(MockGpuMemoryBufferFactory);
};
class MockGpuMemoryBufferTest : public testing::Test {
protected:
virtual void SetUp() {
GLManager::Options options;
image_manager_ = new ImageManager;
gpu_memory_buffer_factory_.reset(new MockGpuMemoryBufferFactory);
options.image_manager = image_manager_.get();
options.gpu_memory_buffer_factory = gpu_memory_buffer_factory_.get();
gl_.Initialize(options);
gl_.MakeCurrent();
glGenTextures(2, texture_ids_);
glBindTexture(GL_TEXTURE_2D, texture_ids_[1]);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glGenFramebuffers(1, &framebuffer_id_);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id_);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D,
texture_ids_[1],
0);
}
virtual void TearDown() {
glDeleteTextures(2, texture_ids_);
glDeleteFramebuffers(1, &framebuffer_id_);
gl_.Destroy();
}
scoped_refptr<ImageManager> image_manager_;
scoped_ptr<MockGpuMemoryBufferFactory> gpu_memory_buffer_factory_;
GLManager gl_;
GLuint texture_ids_[2];
GLuint framebuffer_id_;
};
// An end to end test that tests the whole GpuMemoryBuffer lifecycle.
TEST_F(MockGpuMemoryBufferTest, Lifecycle) {
size_t bytes = kImageWidth * kImageHeight * kImageBytesPerPixel;
uint8 pixels[1 * 4] = { 255u, 0u, 0u, 255u };
// Buffer is owned and freed by GpuMemoryBufferTracker.
StrictMock<MockGpuMemoryBuffer>* gpu_memory_buffer =
new StrictMock<MockGpuMemoryBuffer>(kImageWidth, kImageHeight);
base::SharedMemory shared_memory;
shared_memory.CreateAnonymous(bytes);
base::SharedMemoryHandle duped_shared_memory_handle;
shared_memory.ShareToProcess(base::GetCurrentProcessHandle(),
&duped_shared_memory_handle);
gfx::GpuMemoryBufferHandle handle;
handle.type = gfx::SHARED_MEMORY_BUFFER;
handle.handle = duped_shared_memory_handle;
EXPECT_CALL(
*gpu_memory_buffer_factory_.get(),
CreateGpuMemoryBuffer(
kImageWidth, kImageHeight, GL_RGBA8_OES, GL_IMAGE_MAP_CHROMIUM))
.Times(1)
.WillOnce(Return(gpu_memory_buffer))
.RetiresOnSaturation();
EXPECT_CALL(*gpu_memory_buffer, GetHandle())
.Times(1)
.WillOnce(Return(handle))
.RetiresOnSaturation();
// Create the image. This should add the image ID to the ImageManager.
GLuint image_id = glCreateImageCHROMIUM(
kImageWidth, kImageHeight, GL_RGBA8_OES, GL_IMAGE_MAP_CHROMIUM);
EXPECT_NE(0u, image_id);
EXPECT_TRUE(image_manager_->LookupImage(image_id) != NULL);
EXPECT_CALL(*gpu_memory_buffer, IsMapped())
.WillOnce(Return(false))
.RetiresOnSaturation();
shared_memory.Map(bytes);
EXPECT_TRUE(shared_memory.memory());
EXPECT_CALL(*gpu_memory_buffer, Map())
.Times(1)
.WillOnce(Return(shared_memory.memory()))
.RetiresOnSaturation();
uint8* mapped_buffer = static_cast<uint8*>(glMapImageCHROMIUM(image_id));
ASSERT_TRUE(mapped_buffer != NULL);
// Assign a value to each pixel.
int stride = kImageWidth * kImageBytesPerPixel;
for (int x = 0; x < kImageWidth; ++x) {
for (int y = 0; y < kImageHeight; ++y) {
mapped_buffer[y * stride + x * kImageBytesPerPixel + 0] = pixels[0];
mapped_buffer[y * stride + x * kImageBytesPerPixel + 1] = pixels[1];
mapped_buffer[y * stride + x * kImageBytesPerPixel + 2] = pixels[2];
mapped_buffer[y * stride + x * kImageBytesPerPixel + 3] = pixels[3];
}
}
EXPECT_CALL(*gpu_memory_buffer, IsMapped())
.WillOnce(Return(true))
.RetiresOnSaturation();
// Unmap the image.
EXPECT_CALL(*gpu_memory_buffer, Unmap())
.Times(1)
.RetiresOnSaturation();
glUnmapImageCHROMIUM(image_id);
// Bind the texture and the image.
glBindTexture(GL_TEXTURE_2D, texture_ids_[0]);
glBindTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id);
// Copy texture so we can verify result using CheckPixels.
glCopyTextureCHROMIUM(GL_TEXTURE_2D,
texture_ids_[0],
texture_ids_[1],
0,
GL_RGBA,
GL_UNSIGNED_BYTE);
EXPECT_TRUE(glGetError() == GL_NO_ERROR);
// Check if pixels match the values that were assigned to the mapped buffer.
GLTestHelper::CheckPixels(0, 0, kImageWidth, kImageHeight, 0, pixels);
EXPECT_TRUE(GL_NO_ERROR == glGetError());
// Release the image.
glReleaseTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id);
// Destroy the image.
EXPECT_CALL(*gpu_memory_buffer, Die())
.Times(1)
.RetiresOnSaturation();
glDestroyImageCHROMIUM(image_id);
}
} // namespace gles2
} // namespace gpu
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