blob: 52cbce9099e52195d6189960c1bb04551b167aba [file] [log] [blame]
// 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.
#include <windows.h>
#include <d3d11.h>
#include <dcomp.h>
#include <wrl/client.h>
#include "gpu/ipc/service/gpu_ipc_service_export.h"
#include "ui/gl/gl_surface_egl.h"
namespace gpu {
class GPU_IPC_SERVICE_EXPORT DirectCompositionChildSurfaceWin
: public gl::GLSurfaceEGL {
// GLSurfaceEGL implementation.
bool Initialize(gl::GLSurfaceFormat format) override;
void Destroy() override;
gfx::Size GetSize() override;
bool IsOffscreen() override;
void* GetHandle() override;
gfx::SwapResult SwapBuffers(PresentationCallback callback) override;
bool FlipsVertically() const override;
bool SupportsPostSubBuffer() override;
bool OnMakeCurrent(gl::GLContext* context) override;
bool SupportsDCLayers() const override;
bool SetDrawRectangle(const gfx::Rect& rect) override;
gfx::Vector2d GetDrawOffset() const override;
void SetVSyncEnabled(bool enabled) override;
bool Resize(const gfx::Size& size,
float scale_factor,
ColorSpace color_space,
bool has_alpha) override;
bool SetEnableDCLayers(bool enable) override;
const Microsoft::WRL::ComPtr<IDCompositionSurface>& dcomp_surface() const {
return dcomp_surface_;
const Microsoft::WRL::ComPtr<IDXGISwapChain1>& swap_chain() const {
return swap_chain_;
uint64_t dcomp_surface_serial() const { return dcomp_surface_serial_; }
~DirectCompositionChildSurfaceWin() override;
// Release the texture that's currently being drawn to. If will_discard is
// true then the surface should be discarded without swapping any contents
// to it. Returns false if this fails.
bool ReleaseDrawTexture(bool will_discard);
gfx::Size size_ = gfx::Size(1, 1);
bool enable_dc_layers_ = false;
bool is_hdr_ = false;
bool has_alpha_ = true;
bool vsync_enabled_ = true;
// This is a placeholder surface used when not rendering to the
// DirectComposition surface.
EGLSurface default_surface_ = 0;
// This is the real surface representing the backbuffer. It may be null
// outside of a BeginDraw/EndDraw pair.
EGLSurface real_surface_ = 0;
bool first_swap_ = true;
gfx::Rect swap_rect_;
gfx::Vector2d draw_offset_;
// This is a number that increments once for every EndDraw on a surface, and
// is used to determine when the contents have changed so Commit() needs to
// be called on the device.
uint64_t dcomp_surface_serial_ = 0;
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device_;
Microsoft::WRL::ComPtr<IDCompositionDevice2> dcomp_device_;
Microsoft::WRL::ComPtr<IDCompositionSurface> dcomp_surface_;
Microsoft::WRL::ComPtr<IDXGISwapChain1> swap_chain_;
Microsoft::WRL::ComPtr<ID3D11Texture2D> draw_texture_;
} // namespace gpu