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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/video/mock_gpu_video_accelerator_factories.h"
#include <memory>
#include "base/memory/ptr_util.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "ui/gfx/buffer_format_util.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace media {
namespace {
int g_next_gpu_memory_buffer_id = 1;
class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
public:
GpuMemoryBufferImpl(const gfx::Size& size, gfx::BufferFormat format)
: mapped_(false),
format_(format),
size_(size),
num_planes_(gfx::NumberOfPlanesForLinearBufferFormat(format)),
id_(g_next_gpu_memory_buffer_id++) {
DCHECK(gfx::BufferFormat::R_8 == format_ ||
gfx::BufferFormat::RG_88 == format_ ||
gfx::BufferFormat::YUV_420_BIPLANAR == format_ ||
gfx::BufferFormat::P010 == format_ ||
gfx::BufferFormat::BGRA_1010102 == format_ ||
gfx::BufferFormat::RGBA_1010102 == format_ ||
gfx::BufferFormat::RGBA_8888 == format_ ||
gfx::BufferFormat::BGRA_8888 == 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;
}
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 { return id_; }
gfx::GpuMemoryBufferType GetType() const override {
return gfx::NATIVE_PIXMAP;
}
gfx::GpuMemoryBufferHandle CloneHandle() const override {
NOTREACHED();
return gfx::GpuMemoryBufferHandle();
}
ClientBuffer AsClientBuffer() override {
return reinterpret_cast<ClientBuffer>(this);
}
void OnMemoryDump(
base::trace_event::ProcessMemoryDump* pmd,
const base::trace_event::MemoryAllocatorDumpGuid& buffer_dump_guid,
uint64_t tracing_process_id,
int importance) const override {}
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];
gfx::GpuMemoryBufferId id_;
};
} // unnamed namespace
MockGpuVideoAcceleratorFactories::MockGpuVideoAcceleratorFactories(
gpu::SharedImageInterface* sii)
: sii_(sii) {}
MockGpuVideoAcceleratorFactories::~MockGpuVideoAcceleratorFactories() = default;
bool MockGpuVideoAcceleratorFactories::IsGpuVideoAcceleratorEnabled() {
return true;
}
std::unique_ptr<gfx::GpuMemoryBuffer>
MockGpuVideoAcceleratorFactories::CreateGpuMemoryBuffer(
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage /* usage */) {
if (fail_to_allocate_gpu_memory_buffer_)
return nullptr;
std::unique_ptr<gfx::GpuMemoryBuffer> ret(
new GpuMemoryBufferImpl(size, format));
created_memory_buffers_.push_back(ret.get());
return ret;
}
base::UnsafeSharedMemoryRegion
MockGpuVideoAcceleratorFactories::CreateSharedMemoryRegion(size_t size) {
return base::UnsafeSharedMemoryRegion::Create(size);
}
std::unique_ptr<VideoEncodeAccelerator>
MockGpuVideoAcceleratorFactories::CreateVideoEncodeAccelerator() {
return base::WrapUnique(DoCreateVideoEncodeAccelerator());
}
bool MockGpuVideoAcceleratorFactories::ShouldUseGpuMemoryBuffersForVideoFrames(
bool for_media_stream) const {
return false;
}
unsigned MockGpuVideoAcceleratorFactories::ImageTextureTarget(
gfx::BufferFormat format) {
return GL_TEXTURE_2D;
}
} // namespace media
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