blob: ad958dd9ed75bf5b93655f2d6fc206c32627e4a0 [file] [log] [blame]
// Copyright 2017 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// PBufferSurfaceCGL.h: an implementation of PBuffers created from IOSurfaces using
// EGL_ANGLE_iosurface_client_buffer
#include "libANGLE/renderer/gl/SurfaceGL.h"
#include "libANGLE/renderer/gl/cgl/DisplayCGL.h"
struct __IOSurface;
typedef __IOSurface *IOSurfaceRef;
namespace egl
class AttributeMap;
} // namespace egl
namespace rx
class DisplayCGL;
class FunctionsGL;
class StateManagerGL;
class IOSurfaceSurfaceCGL : public SurfaceGL
IOSurfaceSurfaceCGL(const egl::SurfaceState &state,
CGLContextObj cglContext,
EGLClientBuffer buffer,
const egl::AttributeMap &attribs);
~IOSurfaceSurfaceCGL() override;
egl::Error initialize(const egl::Display *display) override;
egl::Error makeCurrent(const gl::Context *context) override;
egl::Error unMakeCurrent(const gl::Context *context) override;
egl::Error swap(const gl::Context *context) override;
egl::Error postSubBuffer(const gl::Context *context,
EGLint x,
EGLint y,
EGLint width,
EGLint height) override;
egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
egl::Error bindTexImage(const gl::Context *context,
gl::Texture *texture,
EGLint buffer) override;
egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override;
void setSwapInterval(EGLint interval) override;
EGLint getWidth() const override;
EGLint getHeight() const override;
EGLint isPostSubBufferSupported() const override;
EGLint getSwapBehavior() const override;
static bool validateAttributes(EGLClientBuffer buffer, const egl::AttributeMap &attribs);
FramebufferImpl *createDefaultFramebuffer(const gl::Context *context,
const gl::FramebufferState &state) override;
bool hasEmulatedAlphaChannel() const override;
angle::Result initializeAlphaChannel(const gl::Context *context, GLuint texture);
CGLContextObj mCGLContext;
IOSurfaceRef mIOSurface;
int mWidth;
int mHeight;
int mPlane;
int mFormatIndex;
bool mAlphaInitialized;
} // namespace rx