1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Framebuffer.h: Defines the Framebuffer class. Implements GL framebuffer 16 // objects and related functionality. 17 18 #ifndef LIBGL_FRAMEBUFFER_H_ 19 #define LIBGL_FRAMEBUFFER_H_ 20 21 #include "common/Object.hpp" 22 #include "Image.hpp" 23 24 #define _GDI32_ 25 #include <windows.h> 26 #include <GL/GL.h> 27 #include <GL/glext.h> 28 29 namespace gl 30 { 31 class Renderbuffer; 32 class Colorbuffer; 33 class Depthbuffer; 34 class Stencilbuffer; 35 class DepthStencilbuffer; 36 37 class Framebuffer 38 { 39 public: 40 Framebuffer(); 41 42 virtual ~Framebuffer(); 43 44 void setColorbuffer(GLenum type, GLuint colorbuffer); 45 void setDepthbuffer(GLenum type, GLuint depthbuffer); 46 void setStencilbuffer(GLenum type, GLuint stencilbuffer); 47 48 void detachTexture(GLuint texture); 49 void detachRenderbuffer(GLuint renderbuffer); 50 51 Image *getRenderTarget(); 52 Image *getDepthStencil(); 53 54 Renderbuffer *getColorbuffer(); 55 Renderbuffer *getDepthbuffer(); 56 Renderbuffer *getStencilbuffer(); 57 58 GLenum getColorbufferType(); 59 GLenum getDepthbufferType(); 60 GLenum getStencilbufferType(); 61 62 GLuint getColorbufferName(); 63 GLuint getDepthbufferName(); 64 GLuint getStencilbufferName(); 65 66 bool hasStencil(); 67 68 virtual GLenum completeness(); 69 GLenum completeness(int &width, int &height, int &samples); 70 71 protected: 72 GLenum mColorbufferType; 73 BindingPointer<Renderbuffer> mColorbufferPointer; 74 75 GLenum mDepthbufferType; 76 BindingPointer<Renderbuffer> mDepthbufferPointer; 77 78 GLenum mStencilbufferType; 79 BindingPointer<Renderbuffer> mStencilbufferPointer; 80 81 private: 82 Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle) const; 83 }; 84 85 class DefaultFramebuffer : public Framebuffer 86 { 87 public: 88 DefaultFramebuffer(Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil); 89 90 virtual GLenum completeness(); 91 }; 92 93 } 94 95 #endif // LIBGL_FRAMEBUFFER_H_ 96
