1 files changed, 61 insertions, 0 deletions
diff --git a/gfx/webrender_bindings/RenderMacIOSurfaceTextureHost.h b/gfx/webrender_bindings/RenderMacIOSurfaceTextureHost.h
new file mode 100644
index 0000000000..173cd3c223
--- /dev/null
+++ b/gfx/webrender_bindings/RenderMacIOSurfaceTextureHost.h
@@ -0,0 +1,61 @@
+/* -*- 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_RENDERMACIOSURFACETEXTUREHOST_H
+#define MOZILLA_GFX_RENDERMACIOSURFACETEXTUREHOST_H
+
+#include "mozilla/gfx/MacIOSurface.h"
+#include "mozilla/layers/TextureHostOGL.h"
+#include "RenderTextureHostSWGL.h"
+
+namespace mozilla {
+
+namespace layers {
+class SurfaceDescriptorMacIOSurface;
+}
+
+namespace wr {
+
+class RenderMacIOSurfaceTextureHost final : public RenderTextureHostSWGL {
+ public:
+  explicit RenderMacIOSurfaceTextureHost(MacIOSurface* aSurface);
+
+  wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
+  void Unlock() override;
+
+  gfx::IntSize GetSize(uint8_t aChannelIndex) const;
+  GLuint GetGLHandle(uint8_t aChannelIndex) const;
+
+  RenderMacIOSurfaceTextureHost* AsRenderMacIOSurfaceTextureHost() override {
+    return this;
+  }
+
+  size_t Bytes() override;
+
+  MacIOSurface* GetSurface() { return mSurface; }
+
+  // RenderTextureHostSWGL
+  size_t GetPlaneCount() const override;
+  gfx::SurfaceFormat GetFormat() const override;
+  gfx::ColorDepth GetColorDepth() const override;
+  gfx::YUVRangedColorSpace GetYUVColorSpace() const override;
+  bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
+                PlaneInfo& aPlaneInfo) override;
+  void UnmapPlanes() override;
+
+ private:
+  virtual ~RenderMacIOSurfaceTextureHost();
+  void DeleteTextureHandle();
+
+  RefPtr<MacIOSurface> mSurface;
+  RefPtr<gl::GLContext> mGL;
+  GLuint mTextureHandles[3];
+};
+
+}  // namespace wr
+}  // namespace mozilla
+
+#endif  // MOZILLA_GFX_RENDERMACIOSURFACETEXTUREHOST_H