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// Copyright 2013 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 "media/renderers/mock_gpu_video_accelerator_factories.h"
#include "ui/gfx/buffer_format_util.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace media {
namespace {
bool gpu_memory_buffers_in_use_by_window_server = false;
class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
public:
GpuMemoryBufferImpl(const gfx::Size& size, gfx::BufferFormat format)
: mapped_(false),
format_(format),
size_(size),
num_planes_(gfx::NumberOfPlanesForBufferFormat(format)) {
DCHECK(gfx::BufferFormat::R_8 == format_ ||
gfx::BufferFormat::YUV_420_BIPLANAR == format_ ||
gfx::BufferFormat::UYVY_422 == format_);
DCHECK(num_planes_ <= kMaxPlanes);
for (int i = 0; i < static_cast<int>(num_planes_); ++i) {
bytes_[i].resize(
gfx::RowSizeForBufferFormat(size_.width(), format_, i) *
size_.height() / gfx::SubsamplingFactorForBufferFormat(format_, i));
}
}
// Overridden from gfx::GpuMemoryBuffer:
bool Map() override {
DCHECK(!mapped_);
mapped_ = true;
return true;
}
void* memory(size_t plane) override {
DCHECK(mapped_);
DCHECK_LT(plane, num_planes_);
return &bytes_[plane][0];
}
void Unmap() override {
DCHECK(mapped_);
mapped_ = false;
}
bool IsInUseByMacOSWindowServer() const override {
return gpu_memory_buffers_in_use_by_window_server;
}
gfx::Size GetSize() const override { return size_; }
gfx::BufferFormat GetFormat() const override {
return format_;
}
int stride(size_t plane) const override {
DCHECK_LT(plane, num_planes_);
return static_cast<int>(gfx::RowSizeForBufferFormat(
size_.width(), format_, static_cast<int>(plane)));
}
gfx::GpuMemoryBufferId GetId() const override {
NOTREACHED();
return gfx::GpuMemoryBufferId(0);
}
gfx::GpuMemoryBufferHandle GetHandle() const override {
NOTREACHED();
return gfx::GpuMemoryBufferHandle();
}
ClientBuffer AsClientBuffer() override {
return reinterpret_cast<ClientBuffer>(this);
}
private:
static const size_t kMaxPlanes = 3;
bool mapped_;
gfx::BufferFormat format_;
const gfx::Size size_;
size_t num_planes_;
std::vector<uint8_t> bytes_[kMaxPlanes];
};
} // unnamed namespace
MockGpuVideoAcceleratorFactories::MockGpuVideoAcceleratorFactories(
gpu::gles2::GLES2Interface* gles2)
: gles2_(gles2) {}
MockGpuVideoAcceleratorFactories::~MockGpuVideoAcceleratorFactories() {}
bool MockGpuVideoAcceleratorFactories::IsGpuVideoAcceleratorEnabled() {
return true;
}
scoped_ptr<gfx::GpuMemoryBuffer>
MockGpuVideoAcceleratorFactories::AllocateGpuMemoryBuffer(
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage /* usage */) {
if (fail_to_allocate_gpu_memory_buffer_)
return nullptr;
return make_scoped_ptr<gfx::GpuMemoryBuffer>(
new GpuMemoryBufferImpl(size, format));
}
void MockGpuVideoAcceleratorFactories::
SetGpuMemoryBuffersInUseByMacOSWindowServer(bool in_use) {
gpu_memory_buffers_in_use_by_window_server = in_use;
}
scoped_ptr<base::SharedMemory>
MockGpuVideoAcceleratorFactories::CreateSharedMemory(size_t size) {
return nullptr;
}
scoped_ptr<VideoDecodeAccelerator>
MockGpuVideoAcceleratorFactories::CreateVideoDecodeAccelerator() {
return scoped_ptr<VideoDecodeAccelerator>(DoCreateVideoDecodeAccelerator());
}
scoped_ptr<VideoEncodeAccelerator>
MockGpuVideoAcceleratorFactories::CreateVideoEncodeAccelerator() {
return scoped_ptr<VideoEncodeAccelerator>(DoCreateVideoEncodeAccelerator());
}
bool MockGpuVideoAcceleratorFactories::ShouldUseGpuMemoryBuffersForVideoFrames()
const {
return false;
}
unsigned MockGpuVideoAcceleratorFactories::ImageTextureTarget(
gfx::BufferFormat format) {
return GL_TEXTURE_2D;
}
namespace {
class ScopedGLContextLockImpl
: public GpuVideoAcceleratorFactories::ScopedGLContextLock {
public:
ScopedGLContextLockImpl(MockGpuVideoAcceleratorFactories* gpu_factories)
: gpu_factories_(gpu_factories) {}
gpu::gles2::GLES2Interface* ContextGL() override {
return gpu_factories_->GetGLES2Interface();
}
private:
MockGpuVideoAcceleratorFactories* gpu_factories_;
};
} // namespace
scoped_ptr<GpuVideoAcceleratorFactories::ScopedGLContextLock>
MockGpuVideoAcceleratorFactories::GetGLContextLock() {
DCHECK(gles2_);
return make_scoped_ptr(new ScopedGLContextLockImpl(this));
}
} // namespace media
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