| // 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. |
| |
| // Framebuffer.h: Defines the Framebuffer class. Implements GL framebuffer |
| // objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105. |
| |
| #ifndef LIBGLESV2_FRAMEBUFFER_H_ |
| #define LIBGLESV2_FRAMEBUFFER_H_ |
| |
| #include "Context.h" |
| #include "common/Object.hpp" |
| #include "common/Image.hpp" |
| |
| #include <GLES2/gl2.h> |
| |
| namespace es2 |
| { |
| class Renderbuffer; |
| class Colorbuffer; |
| class Depthbuffer; |
| class Stencilbuffer; |
| class DepthStencilbuffer; |
| |
| class Framebuffer |
| { |
| public: |
| Framebuffer(); |
| |
| virtual ~Framebuffer(); |
| |
| void setColorbuffer(GLenum type, GLuint colorbuffer, GLuint index, GLint level = 0, GLint layer = 0); |
| void setDepthbuffer(GLenum type, GLuint depthbuffer, GLint level = 0, GLint layer = 0); |
| void setStencilbuffer(GLenum type, GLuint stencilbuffer, GLint level = 0, GLint layer = 0); |
| |
| void setReadBuffer(GLenum buf); |
| void setDrawBuffer(GLuint index, GLenum buf); |
| GLenum getReadBuffer() const; |
| GLenum getDrawBuffer(GLuint index) const; |
| |
| void detachTexture(GLuint texture); |
| void detachRenderbuffer(GLuint renderbuffer); |
| |
| egl::Image *getRenderTarget(GLuint index); |
| egl::Image *getReadRenderTarget(); |
| egl::Image *getDepthBuffer(); |
| egl::Image *getStencilBuffer(); |
| |
| Renderbuffer *getColorbuffer(GLuint index) const; |
| Renderbuffer *getReadColorbuffer() const; |
| Renderbuffer *getDepthbuffer() const; |
| Renderbuffer *getStencilbuffer() const; |
| |
| GLenum getReadBufferType(); |
| GLenum getColorbufferType(GLuint index); |
| GLenum getDepthbufferType(); |
| GLenum getStencilbufferType(); |
| |
| GLuint getColorbufferName(GLuint index); |
| GLuint getDepthbufferName(); |
| GLuint getStencilbufferName(); |
| |
| GLint getColorbufferLayer(GLuint index); |
| GLint getDepthbufferLayer(); |
| GLint getStencilbufferLayer(); |
| |
| bool hasStencil(); |
| |
| GLenum completeness(); |
| GLenum completeness(int &width, int &height, int &samples); |
| |
| GLenum getImplementationColorReadFormat() const; |
| GLenum getImplementationColorReadType() const; |
| GLenum getDepthReadFormat() const; |
| GLenum getDepthReadType() const; |
| |
| virtual bool isDefaultFramebuffer() const { return false; } |
| |
| static bool IsRenderbuffer(GLenum type); |
| |
| protected: |
| GLuint getReadBufferIndex() const; |
| |
| GLenum readBuffer; |
| GLenum drawBuffer[MAX_COLOR_ATTACHMENTS]; |
| |
| GLenum mColorbufferType[MAX_COLOR_ATTACHMENTS]; |
| gl::BindingPointer<Renderbuffer> mColorbufferPointer[MAX_COLOR_ATTACHMENTS]; |
| GLint mColorbufferLayer[MAX_COLOR_ATTACHMENTS]; |
| |
| GLenum mDepthbufferType; |
| gl::BindingPointer<Renderbuffer> mDepthbufferPointer; |
| GLint mDepthbufferLayer; |
| |
| GLenum mStencilbufferType; |
| gl::BindingPointer<Renderbuffer> mStencilbufferPointer; |
| GLint mStencilbufferLayer; |
| |
| private: |
| Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle, GLint level) const; |
| }; |
| |
| class DefaultFramebuffer : public Framebuffer |
| { |
| public: |
| DefaultFramebuffer(); |
| DefaultFramebuffer(Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil); |
| |
| bool isDefaultFramebuffer() const override { return true; } |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_FRAMEBUFFER_H_ |