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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_GLIMAGES_H
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#define GFX_GLIMAGES_H
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#include "AndroidSurfaceTexture.h"
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#include "GLContextTypes.h"
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#include "GLTypes.h"
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#include "ImageContainer.h" // for Image
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#include "ImageTypes.h" // for ImageFormat::SHARED_GLTEXTURE
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#include "nsCOMPtr.h" // for already_AddRefed
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#include "mozilla/gfx/Point.h" // for IntSize
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namespace mozilla {
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namespace layers {
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class GLImage : public Image {
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public:
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explicit GLImage(ImageFormat aFormat) : Image(nullptr, aFormat) {}
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already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
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GLImage* AsGLImage() override { return this; }
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};
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#ifdef MOZ_WIDGET_ANDROID
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class SurfaceTextureImage : public GLImage {
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public:
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class SetCurrentCallback {
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public:
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virtual void operator()(void) = 0;
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virtual ~SetCurrentCallback() {}
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};
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SurfaceTextureImage(AndroidSurfaceTextureHandle aHandle,
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const gfx::IntSize& aSize, bool aContinuous,
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gl::OriginPos aOriginPos, bool aHasAlpha = true);
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gfx::IntSize GetSize() const override { return mSize; }
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AndroidSurfaceTextureHandle GetHandle() const { return mHandle; }
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bool GetContinuous() const { return mContinuous; }
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gl::OriginPos GetOriginPos() const { return mOriginPos; }
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bool GetHasAlpha() const { return mHasAlpha; }
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already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override {
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// We can implement this, but currently don't want to because it will cause
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// the SurfaceTexture to be permanently bound to the snapshot readback
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// context.
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return nullptr;
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}
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SurfaceTextureImage* AsSurfaceTextureImage() override { return this; }
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void RegisterSetCurrentCallback(UniquePtr<SetCurrentCallback> aCallback) {
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mSetCurrentCallback = std::move(aCallback);
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}
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void OnSetCurrent() {
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if (mSetCurrentCallback) {
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(*mSetCurrentCallback)();
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mSetCurrentCallback.reset();
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}
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}
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private:
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AndroidSurfaceTextureHandle mHandle;
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gfx::IntSize mSize;
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bool mContinuous;
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gl::OriginPos mOriginPos;
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const bool mHasAlpha;
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UniquePtr<SetCurrentCallback> mSetCurrentCallback;
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};
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#endif // MOZ_WIDGET_ANDROID
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} // namespace layers
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} // namespace mozilla
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#endif // GFX_GLIMAGES_H