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-rw-r--r--gfx/layers/GLImages.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/gfx/layers/GLImages.h b/gfx/layers/GLImages.h
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+++ b/gfx/layers/GLImages.h
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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 GFX_GLIMAGES_H
+#define GFX_GLIMAGES_H
+
+#include "GLContextTypes.h"
+#include "GLTypes.h"
+#include "ImageContainer.h" // for Image
+#include "ImageTypes.h" // for ImageFormat::SHARED_GLTEXTURE
+#include "nsCOMPtr.h" // for already_AddRefed
+#include "mozilla/gfx/Point.h" // for IntSize
+
+#ifdef MOZ_WIDGET_ANDROID
+# include "AndroidSurfaceTexture.h"
+#endif
+
+namespace mozilla {
+namespace layers {
+
+class GLImage : public Image {
+ public:
+ explicit GLImage(ImageFormat aFormat) : Image(nullptr, aFormat) {}
+
+ already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
+
+ GLImage* AsGLImage() override { return this; }
+};
+
+#ifdef MOZ_WIDGET_ANDROID
+
+class SurfaceTextureImage : public GLImage {
+ public:
+ class SetCurrentCallback {
+ public:
+ virtual void operator()(void) = 0;
+ virtual ~SetCurrentCallback() {}
+ };
+
+ SurfaceTextureImage(AndroidSurfaceTextureHandle aHandle,
+ const gfx::IntSize& aSize, bool aContinuous,
+ gl::OriginPos aOriginPos, bool aHasAlpha = true);
+
+ gfx::IntSize GetSize() const override { return mSize; }
+ AndroidSurfaceTextureHandle GetHandle() const { return mHandle; }
+ bool GetContinuous() const { return mContinuous; }
+ gl::OriginPos GetOriginPos() const { return mOriginPos; }
+ bool GetHasAlpha() const { return mHasAlpha; }
+
+ already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override {
+ // We can implement this, but currently don't want to because it will cause
+ // the SurfaceTexture to be permanently bound to the snapshot readback
+ // context.
+ return nullptr;
+ }
+
+ SurfaceTextureImage* AsSurfaceTextureImage() override { return this; }
+
+ void RegisterSetCurrentCallback(UniquePtr<SetCurrentCallback> aCallback) {
+ mSetCurrentCallback = std::move(aCallback);
+ }
+
+ void OnSetCurrent() {
+ if (mSetCurrentCallback) {
+ (*mSetCurrentCallback)();
+ mSetCurrentCallback.reset();
+ }
+ }
+
+ private:
+ AndroidSurfaceTextureHandle mHandle;
+ gfx::IntSize mSize;
+ bool mContinuous;
+ gl::OriginPos mOriginPos;
+ const bool mHasAlpha;
+ UniquePtr<SetCurrentCallback> mSetCurrentCallback;
+};
+
+#endif // MOZ_WIDGET_ANDROID
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // GFX_GLIMAGES_H