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// Copyright 2017 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.
#ifndef UI_GL_GL_IMAGE_DXGI_H_
#define UI_GL_GL_IMAGE_DXGI_H_
#include <DXGI1_2.h>
#include <d3d11.h>
#include <wrl/client.h>
#include "base/win/scoped_handle.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gl/gl_export.h"
#include "ui/gl/gl_image.h"
typedef void* EGLStreamKHR;
typedef void* EGLConfig;
typedef void* EGLSurface;
namespace gl {
class GL_EXPORT GLImageDXGI : public GLImage {
public:
GLImageDXGI(const gfx::Size& size, EGLStreamKHR stream);
// Safe downcast. Returns nullptr on failure.
static GLImageDXGI* FromGLImage(GLImage* image);
// GLImage implementation.
BindOrCopy ShouldBindOrCopy() override;
bool BindTexImage(unsigned target) override;
bool CopyTexImage(unsigned target) override;
bool CopyTexSubImage(unsigned target,
const gfx::Point& offset,
const gfx::Rect& rect) override;
void Flush() override;
unsigned GetInternalFormat() override;
unsigned GetDataType() override;
gfx::Size GetSize() override;
Type GetType() const override;
void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
uint64_t process_tracing_id,
const std::string& dump_name) override;
void ReleaseTexImage(unsigned target) override;
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int z_order,
gfx::OverlayTransform transform,
const gfx::Rect& bounds_rect,
const gfx::RectF& crop_rect,
bool enable_blend,
std::unique_ptr<gfx::GpuFence> gpu_fence) override;
const gfx::ColorSpace& color_space() const { return color_space_; }
Microsoft::WRL::ComPtr<IDXGIKeyedMutex> keyed_mutex() { return keyed_mutex_; }
size_t level() const { return level_; }
Microsoft::WRL::ComPtr<ID3D11Texture2D> texture() { return texture_; }
bool InitializeHandle(base::win::ScopedHandle handle,
uint32_t level,
gfx::BufferFormat format);
void SetTexture(const Microsoft::WRL::ComPtr<ID3D11Texture2D>& texture,
size_t level);
protected:
~GLImageDXGI() override;
gfx::BufferFormat buffer_format_ = gfx::BufferFormat::BGRA_8888;
base::win::ScopedHandle handle_;
Microsoft::WRL::ComPtr<IDXGIKeyedMutex> keyed_mutex_;
size_t level_ = 0;
gfx::Size size_;
EGLSurface surface_ = nullptr;
EGLStreamKHR stream_ = nullptr;
Microsoft::WRL::ComPtr<ID3D11Texture2D> texture_;
};
// This copies to a new texture on bind.
class GL_EXPORT CopyingGLImageDXGI : public GLImageDXGI {
public:
CopyingGLImageDXGI(const Microsoft::WRL::ComPtr<ID3D11Device>& d3d11_device,
const gfx::Size& size,
EGLStreamKHR stream);
bool Initialize();
bool InitializeVideoProcessor(
const Microsoft::WRL::ComPtr<ID3D11VideoProcessor>& video_processor,
const Microsoft::WRL::ComPtr<ID3D11VideoProcessorEnumerator>& enumerator);
void UnbindFromTexture();
// GLImage implementation.
bool BindTexImage(unsigned target) override;
private:
~CopyingGLImageDXGI() override;
bool copied_ = false;
Microsoft::WRL::ComPtr<ID3D11VideoDevice> video_device_;
Microsoft::WRL::ComPtr<ID3D11VideoContext> video_context_;
Microsoft::WRL::ComPtr<ID3D11VideoProcessor> d3d11_processor_;
Microsoft::WRL::ComPtr<ID3D11VideoProcessorEnumerator> enumerator_;
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device_;
Microsoft::WRL::ComPtr<ID3D11Texture2D> decoder_copy_texture_;
Microsoft::WRL::ComPtr<ID3D11VideoProcessorOutputView> output_view_;
};
}
#endif // UI_GL_GL_IMAGE_DXGI_H_
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