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+/* -*- 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