/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_RENDERCOMPOSITOR_OGL_SWGL_H
#define MOZILLA_GFX_RENDERCOMPOSITOR_OGL_SWGL_H
#include "mozilla/layers/Compositor.h"
#include "mozilla/webrender/RenderCompositorLayersSWGL.h"
namespace mozilla {
namespace layers {
class TextureImageTextureSourceOGL;
}
namespace wr {
class RenderCompositorOGLSWGL :
public RenderCompositorLayersSWGL {
public:
static UniquePtr<RenderCompositor> Create(
const RefPtr<widget::CompositorWidget>& aWidget, nsACString& aError);
RenderCompositorOGLSWGL(layers::Compositor* aCompositor,
const RefPtr<widget::CompositorWidget>& aWidget,
void* aContext);
virtual ~RenderCompositorOGLSWGL();
gl::GLContext* GetGLContext();
bool MakeCurrent() override;
bool BeginFrame() override;
RenderedFrameId EndFrame(
const nsTArray<DeviceIntRect>& aDirtyRects) override;
void GetCompositorCapabilities(CompositorCapabilities* aCaps) override;
// Returns true for requesting rendering during readback.
// RenderCompositorOGLSWGL::MaybeReadback() requests rendering.
// This value is not used by WebRender, since native compositor API is used
// for sw-wr.
bool UsePartialPresent() override {
return true; }
bool RequestFullRender() override;
void Pause() override;
bool Resume() override;
bool IsPaused() override;
LayoutDeviceIntSize GetBufferSize() override;
layers::WebRenderCompositor CompositorType()
const override {
return layers::WebRenderCompositor::OPENGL;
}
bool MaybeReadback(
const gfx::IntSize& aReadbackSize,
const wr::ImageFormat& aReadbackFormat,
const Range<uint8_t>& aReadbackBuffer,
bool* aNeedsYFlip) override;
private:
void HandleExternalImage(RenderTextureHost* aExternalImage,
FrameSurface& aFrameSurface) override;
UniquePtr<RenderCompositorLayersSWGL::Tile> DoCreateTile(
Surface* aSurface) override;
EGLSurface CreateEGLSurface();
void DestroyEGLSurface();
EGLSurface mEGLSurface = EGL_NO_SURFACE;
bool mFullRender =
false;
#ifdef MOZ_WIDGET_ANDROID
// Whether we are in the process of handling a NEW_SURFACE error. On Android
// this is used to allow the widget an opportunity to recover from the first
// instance, before raising a WebRenderError on subsequent occurences.
bool mHandlingNewSurfaceError =
false;
#endif
class TileOGL :
public RenderCompositorLayersSWGL::Tile {
public:
TileOGL(RefPtr<layers::TextureImageTextureSourceOGL>&& aTexture,
const gfx::IntSize& aSize);
virtual ~TileOGL();
bool Map(wr::DeviceIntRect aDirtyRect, wr::DeviceIntRect aValidRect,
void** aData, int32_t* aStride) override;
void Unmap(
const gfx::IntRect& aDirtyRect) override;
layers::DataTextureSource* GetTextureSource() override;
bool IsValid() override {
return true; }
private:
RefPtr<layers::TextureImageTextureSourceOGL> mTexture;
RefPtr<gfx::DataSourceSurface> mSurface;
RefPtr<gfx::DataSourceSurface> mSubSurface;
GLuint mPBO = 0;
};
};
}
// namespace wr
}
// namespace mozilla
#endif
