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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/Maybe.h" // for Maybe
#include "mozilla/gfx/Matrix.h" // for Matrix4x4
#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;
nsresult BuildSurfaceDescriptorBuffer(
SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
const std::function<MemoryOrShmem(uint32_t)>& aAllocate) override;
GLImage* AsGLImage() override { return this; }
protected:
nsresult ReadIntoBuffer(uint8_t* aData, int32_t aStride,
const gfx::IntSize& aSize,
gfx::SurfaceFormat aFormat);
};
#ifdef MOZ_WIDGET_ANDROID
class SurfaceTextureImage final : 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,
bool aForceBT709ColorSpace,
Maybe<gfx::Matrix4x4> aTransformOverride);
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; }
bool GetForceBT709ColorSpace() const { return mForceBT709ColorSpace; }
const Maybe<gfx::Matrix4x4>& GetTransformOverride() const {
return mTransformOverride;
}
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;
}
nsresult BuildSurfaceDescriptorBuffer(
SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
const std::function<MemoryOrShmem(uint32_t)>& aAllocate) 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 NS_ERROR_NOT_IMPLEMENTED;
}
SurfaceTextureImage* AsSurfaceTextureImage() override { return this; }
Maybe<SurfaceDescriptor> GetDesc() override;
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;
const bool mForceBT709ColorSpace;
const Maybe<gfx::Matrix4x4> mTransformOverride;
UniquePtr<SetCurrentCallback> mSetCurrentCallback;
};
#endif // MOZ_WIDGET_ANDROID
} // namespace layers
} // namespace mozilla
#endif // GFX_GLIMAGES_H
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