/* -*- 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
