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/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* 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 SHARED_SURFACEIO_H_
#define SHARED_SURFACEIO_H_
#include "mozilla/RefPtr.h"
#include "SharedSurface.h"
class MacIOSurface;
namespace mozilla {
namespace gl {
class SharedSurface_IOSurface : public SharedSurface
{
private:
const RefPtr<MacIOSurface> mIOSurf;
GLuint mProdTex;
public:
static UniquePtr<SharedSurface_IOSurface> Create(const RefPtr<MacIOSurface>& ioSurf,
GLContext* gl,
bool hasAlpha);
private:
SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioSurf,
GLContext* gl, const gfx::IntSize& size,
bool hasAlpha);
public:
~SharedSurface_IOSurface();
virtual void LockProdImpl() override { }
virtual void UnlockProdImpl() override { }
virtual void ProducerAcquireImpl() override {}
virtual void ProducerReleaseImpl() override;
virtual bool CopyTexImage2D(GLenum target, GLint level, GLenum internalformat,
GLint x, GLint y, GLsizei width, GLsizei height,
GLint border) override;
virtual bool ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLvoid* pixels) override;
virtual GLuint ProdTexture() override {
return mProdTex;
}
virtual GLenum ProdTextureTarget() const override {
return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
}
static SharedSurface_IOSurface* Cast(SharedSurface* surf) {
MOZ_ASSERT(surf->mType == SharedSurfaceType::IOSurface);
return static_cast<SharedSurface_IOSurface*>(surf);
}
MacIOSurface* GetIOSurface() const {
return mIOSurf;
}
virtual bool NeedsIndirectReads() const override {
return true;
}
virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
};
class SurfaceFactory_IOSurface : public SurfaceFactory
{
public:
// Infallible.
static UniquePtr<SurfaceFactory_IOSurface> Create(GLContext* gl,
const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags);
protected:
const gfx::IntSize mMaxDims;
SurfaceFactory_IOSurface(GLContext* gl, const SurfaceCaps& caps,
const RefPtr<layers::LayersIPCChannel>& allocator,
const layers::TextureFlags& flags,
const gfx::IntSize& maxDims)
: SurfaceFactory(SharedSurfaceType::IOSurface, gl, caps, allocator, flags)
, mMaxDims(maxDims)
{ }
virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override;
};
} // namespace gl
} /* namespace mozilla */
#endif /* SHARED_SURFACEIO_H_ */
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