1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libEGL/Surface.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
1.4 +//
1.5 +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Surface.h: Defines the egl::Surface class, representing a drawing surface
1.11 +// such as the client area of a window, including any back buffers.
1.12 +// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
1.13 +
1.14 +#ifndef LIBEGL_SURFACE_H_
1.15 +#define LIBEGL_SURFACE_H_
1.16 +
1.17 +#define EGLAPI
1.18 +#include <EGL/egl.h>
1.19 +
1.20 +#include "common/angleutils.h"
1.21 +
1.22 +namespace gl
1.23 +{
1.24 +class Texture2D;
1.25 +}
1.26 +namespace rx
1.27 +{
1.28 +class Renderer;
1.29 +class SwapChain;
1.30 +}
1.31 +
1.32 +namespace egl
1.33 +{
1.34 +class Display;
1.35 +class Config;
1.36 +
1.37 +class Surface
1.38 +{
1.39 + public:
1.40 + Surface(Display *display, const egl::Config *config, HWND window, EGLint postSubBufferSupported);
1.41 + Surface(Display *display, const egl::Config *config, HANDLE shareHandle, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureTarget);
1.42 +
1.43 + ~Surface();
1.44 +
1.45 + bool initialize();
1.46 + void release();
1.47 + bool resetSwapChain();
1.48 +
1.49 + HWND getWindowHandle();
1.50 + bool swap();
1.51 + bool postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height);
1.52 +
1.53 + virtual EGLint getWidth() const;
1.54 + virtual EGLint getHeight() const;
1.55 +
1.56 + virtual EGLint isPostSubBufferSupported() const;
1.57 +
1.58 + virtual rx::SwapChain *getSwapChain() const;
1.59 +
1.60 + void setSwapInterval(EGLint interval);
1.61 + bool checkForOutOfDateSwapChain(); // Returns true if swapchain changed due to resize or interval update
1.62 +
1.63 + virtual EGLenum getTextureFormat() const;
1.64 + virtual EGLenum getTextureTarget() const;
1.65 + virtual EGLenum getFormat() const;
1.66 +
1.67 + virtual void setBoundTexture(gl::Texture2D *texture);
1.68 + virtual gl::Texture2D *getBoundTexture() const;
1.69 +
1.70 +private:
1.71 + DISALLOW_COPY_AND_ASSIGN(Surface);
1.72 +
1.73 + Display *const mDisplay;
1.74 + rx::Renderer *mRenderer;
1.75 +
1.76 + HANDLE mShareHandle;
1.77 + rx::SwapChain *mSwapChain;
1.78 +
1.79 + void subclassWindow();
1.80 + void unsubclassWindow();
1.81 + bool resizeSwapChain(int backbufferWidth, int backbufferHeight);
1.82 + bool resetSwapChain(int backbufferWidth, int backbufferHeight);
1.83 + bool swapRect(EGLint x, EGLint y, EGLint width, EGLint height);
1.84 +
1.85 + const HWND mWindow; // Window that the surface is created for.
1.86 + bool mWindowSubclassed; // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking
1.87 + const egl::Config *mConfig; // EGL config surface was created with
1.88 + EGLint mHeight; // Height of surface
1.89 + EGLint mWidth; // Width of surface
1.90 +// EGLint horizontalResolution; // Horizontal dot pitch
1.91 +// EGLint verticalResolution; // Vertical dot pitch
1.92 +// EGLBoolean largestPBuffer; // If true, create largest pbuffer possible
1.93 +// EGLBoolean mipmapTexture; // True if texture has mipmaps
1.94 +// EGLint mipmapLevel; // Mipmap level to render to
1.95 +// EGLenum multisampleResolve; // Multisample resolve behavior
1.96 + EGLint mPixelAspectRatio; // Display aspect ratio
1.97 + EGLenum mRenderBuffer; // Render buffer
1.98 + EGLenum mSwapBehavior; // Buffer swap behavior
1.99 + EGLenum mTextureFormat; // Format of texture: RGB, RGBA, or no texture
1.100 + EGLenum mTextureTarget; // Type of texture: 2D or no texture
1.101 +// EGLenum vgAlphaFormat; // Alpha format for OpenVG
1.102 +// EGLenum vgColorSpace; // Color space for OpenVG
1.103 + EGLint mSwapInterval;
1.104 + EGLint mPostSubBufferSupported;
1.105 +
1.106 + bool mSwapIntervalDirty;
1.107 + gl::Texture2D *mTexture;
1.108 +};
1.109 +}
1.110 +
1.111 +#endif // LIBEGL_SURFACE_H_
