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//
// Copyright (c) 2002-2014 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.
//
// Surface.h: Defines the egl::Surface class, representing a drawing surface
// such as the client area of a window, including any back buffers.
// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
#ifndef LIBANGLE_SURFACE_H_
#define LIBANGLE_SURFACE_H_
#include <EGL/egl.h>
#include "common/angleutils.h"
#include "libANGLE/Error.h"
#include "libANGLE/RefCountObject.h"
namespace gl
{
class Texture;
}
namespace rx
{
class SurfaceImpl;
}
namespace egl
{
class AttributeMap;
class Display;
struct Config;
class Surface final : public RefCountObject
{
public:
Surface(rx::SurfaceImpl *impl, EGLint surfaceType, const egl::Config *config, const AttributeMap &attributes);
rx::SurfaceImpl *getImplementation() { return mImplementation; }
const rx::SurfaceImpl *getImplementation() const { return mImplementation; }
EGLint getType() const;
Error swap();
Error postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height);
Error querySurfacePointerANGLE(EGLint attribute, void **value);
Error bindTexImage(gl::Texture *texture, EGLint buffer);
Error releaseTexImage(EGLint buffer);
EGLint isPostSubBufferSupported() const;
void setSwapInterval(EGLint interval);
const Config *getConfig() const;
// width and height can change with client window resizing
EGLint getWidth() const;
EGLint getHeight() const;
EGLint getPixelAspectRatio() const;
EGLenum getRenderBuffer() const;
EGLenum getSwapBehavior() const;
EGLenum getTextureFormat() const;
EGLenum getTextureTarget() const;
gl::Texture *getBoundTexture() const { return mTexture; }
EGLint isFixedSize() const;
private:
virtual ~Surface();
rx::SurfaceImpl *mImplementation;
EGLint mType;
const egl::Config *mConfig;
bool mPostSubBufferRequested;
bool mFixedSize;
size_t mFixedWidth;
size_t mFixedHeight;
EGLenum mTextureFormat;
EGLenum mTextureTarget;
EGLint mPixelAspectRatio; // Display aspect ratio
EGLenum mRenderBuffer; // Render buffer
EGLenum mSwapBehavior; // Buffer swap behavior
gl::Texture *mTexture;
};
}
#endif // LIBANGLE_SURFACE_H_
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