| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Surface.h: Defines the Surface class, representing a drawing surface |
| // such as the client area of a window, including any back buffers. |
| |
| #ifndef INCLUDE_SURFACE_H_ |
| #define INCLUDE_SURFACE_H_ |
| |
| #include "Main/FrameBuffer.hpp" |
| |
| #define _GDI32_ |
| #include <windows.h> |
| #include <GL/GL.h> |
| #include <GL/glext.h> |
| |
| #if defined(_WIN32) |
| typedef HDC NativeDisplayType; |
| typedef HBITMAP NativePixmapType; |
| typedef HWND NativeWindowType; |
| #else |
| #error |
| #endif |
| |
| namespace gl |
| { |
| class Image; |
| class Display; |
| |
| class Surface |
| { |
| public: |
| Surface(Display *display, NativeWindowType window); |
| Surface(Display *display, GLint width, GLint height, GLenum textureFormat, GLenum textureTarget); |
| |
| virtual ~Surface(); |
| |
| bool initialize(); |
| void swap(); |
| |
| virtual Image *getRenderTarget(); |
| virtual Image *getDepthStencil(); |
| |
| void setSwapInterval(GLint interval); |
| |
| virtual GLint getWidth() const; |
| virtual GLint getHeight() const; |
| virtual GLenum getTextureFormat() const; |
| virtual GLenum getTextureTarget() const; |
| |
| bool checkForResize(); // Returns true if surface changed due to resize |
| |
| private: |
| void release(); |
| bool reset(); |
| |
| Display *const mDisplay; |
| Image *mDepthStencil; |
| sw::FrameBuffer *frameBuffer; |
| Image *backBuffer; |
| |
| bool reset(int backbufferWidth, int backbufferHeight); |
| |
| const NativeWindowType mWindow; // Window that the surface is created for. |
| bool mWindowSubclassed; // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking |
| GLint mHeight; // Height of surface |
| GLint mWidth; // Width of surface |
| GLenum mTextureFormat; // Format of texture: RGB, RGBA, or no texture |
| GLenum mTextureTarget; // Type of texture: 2D or no texture |
| GLint mSwapInterval; |
| }; |
| } |
| |
| #endif // INCLUDE_SURFACE_H_ |