// SwiftShader Software Renderer | |
// | |
// Copyright(c) 2005-2012 TransGaming Inc. | |
// | |
// All rights reserved. No part of this software may be copied, distributed, transmitted, | |
// transcribed, stored in a retrieval system, translated into any human or computer | |
// language by any means, or disclosed to third parties without the explicit written | |
// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express | |
// or implied, including but not limited to any patent rights, are granted to you. | |
// | |
// 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 INCLUDE_SURFACE_H_ | |
#define INCLUDE_SURFACE_H_ | |
#include "libGLESv2/Image.hpp" | |
#include "libGLESv2/Texture.h" | |
#include "Main/FrameBuffer.hpp" | |
#define EGLAPI | |
#include <EGL/egl.h> | |
namespace gl | |
{ | |
class Image; | |
class Texture2D; | |
} | |
namespace egl | |
{ | |
class Display; | |
class Config; | |
class Surface | |
{ | |
public: | |
Surface(Display *display, const egl::Config *config, EGLNativeWindowType window); | |
Surface(Display *display, const egl::Config *config, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureTarget); | |
virtual ~Surface(); | |
bool initialize(); | |
void swap(); | |
EGLNativeWindowType getWindowHandle(); | |
virtual gl::Image *getRenderTarget(); | |
virtual gl::Image *getDepthStencil(); | |
void setSwapInterval(EGLint interval); | |
virtual EGLint getConfigID() const; | |
virtual EGLint getWidth() const; | |
virtual EGLint getHeight() const; | |
virtual EGLint getPixelAspectRatio() const; | |
virtual EGLenum getRenderBuffer() const; | |
virtual EGLenum getSwapBehavior() const; | |
virtual EGLenum getTextureFormat() const; | |
virtual EGLenum getTextureTarget() const; | |
virtual sw::Format getInternalFormat() const; | |
virtual void setBoundTexture(gl::Texture2D *texture); | |
virtual gl::Texture2D *getBoundTexture() const; | |
bool checkForResize(); // Returns true if surface changed due to resize | |
private: | |
void release(); | |
bool reset(); | |
Display *const mDisplay; | |
gl::Image *mDepthStencil; | |
sw::FrameBuffer *frameBuffer; | |
gl::Image *backBuffer; | |
bool reset(int backbufferWidth, int backbufferHeight); | |
const EGLNativeWindowType mWindow; // Window that the surface is created for. | |
bool mWindowSubclassed; // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking | |
const egl::Config *mConfig; // EGL config surface was created with | |
EGLint mHeight; // Height of surface | |
EGLint mWidth; // Width of surface | |
// EGLint horizontalResolution; // Horizontal dot pitch | |
// EGLint verticalResolution; // Vertical dot pitch | |
// EGLBoolean largestPBuffer; // If true, create largest pbuffer possible | |
// EGLBoolean mipmapTexture; // True if texture has mipmaps | |
// EGLint mipmapLevel; // Mipmap level to render to | |
// EGLenum multisampleResolve; // Multisample resolve behavior | |
EGLint mPixelAspectRatio; // Display aspect ratio | |
EGLenum mRenderBuffer; // Render buffer | |
EGLenum mSwapBehavior; // Buffer swap behavior | |
EGLenum mTextureFormat; // Format of texture: RGB, RGBA, or no texture | |
EGLenum mTextureTarget; // Type of texture: 2D or no texture | |
// EGLenum vgAlphaFormat; // Alpha format for OpenVG | |
// EGLenum vgColorSpace; // Color space for OpenVG | |
EGLint mSwapInterval; | |
gl::Texture2D *mTexture; | |
}; | |
} | |
#endif // INCLUDE_SURFACE_H_ |