| // |
| // Copyright (c) 2014 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // FramebufferAttachment.h: Defines the wrapper class gl::FramebufferAttachment, as well as the |
| // objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108. |
| |
| #ifndef LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |
| #define LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |
| |
| #include <GLES3/gl3.h> |
| #include <GLES2/gl2.h> |
| |
| #include "common/angleutils.h" |
| #include "common/RefCountObject.h" |
| |
| namespace rx |
| { |
| class Renderer; |
| class RenderTarget; |
| class TextureStorage; |
| } |
| |
| namespace gl |
| { |
| class Texture2D; |
| class TextureCubeMap; |
| class Texture3D; |
| class Texture2DArray; |
| class Renderbuffer; |
| |
| // FramebufferAttachment implements a GL framebuffer attachment. |
| // Attachments are "light" containers, which store pointers to ref-counted GL objects. |
| // We support GL texture (2D/3D/Cube/2D array) and renderbuffer object attachments. |
| // Note: Our old naming scheme used the term "Renderbuffer" for both GL renderbuffers and for |
| // framebuffer attachments, which confused their usage. |
| |
| class FramebufferAttachment |
| { |
| public: |
| FramebufferAttachment(); |
| virtual ~FramebufferAttachment(); |
| |
| // Helper methods |
| GLuint getRedSize(int clientVersion) const; |
| GLuint getGreenSize(int clientVersion) const; |
| GLuint getBlueSize(int clientVersion) const; |
| GLuint getAlphaSize(int clientVersion) const; |
| GLuint getDepthSize(int clientVersion) const; |
| GLuint getStencilSize(int clientVersion) const; |
| GLenum getComponentType(int clientVersion) const; |
| GLenum getColorEncoding(int clientVersion) const; |
| bool isTexture() const; |
| |
| bool isTextureWithId(GLuint textureId) const { return isTexture() && id() == textureId; } |
| bool isRenderbufferWithId(GLuint renderbufferId) const { return !isTexture() && id() == renderbufferId; } |
| |
| // Child class interface |
| virtual rx::RenderTarget *getRenderTarget() = 0; |
| virtual rx::RenderTarget *getDepthStencil() = 0; |
| virtual rx::TextureStorage *getTextureStorage() = 0; |
| |
| virtual GLsizei getWidth() const = 0; |
| virtual GLsizei getHeight() const = 0; |
| virtual GLenum getInternalFormat() const = 0; |
| virtual GLenum getActualFormat() const = 0; |
| virtual GLsizei getSamples() const = 0; |
| |
| virtual unsigned int getSerial() const = 0; |
| |
| virtual GLuint id() const = 0; |
| virtual GLenum type() const = 0; |
| virtual GLint mipLevel() const = 0; |
| virtual GLint layer() const = 0; |
| virtual unsigned int getTextureSerial() const = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(FramebufferAttachment); |
| }; |
| |
| class Texture2DAttachment : public FramebufferAttachment |
| { |
| public: |
| Texture2DAttachment(Texture2D *texture, GLint level); |
| |
| virtual ~Texture2DAttachment(); |
| |
| rx::RenderTarget *getRenderTarget(); |
| rx::RenderTarget *getDepthStencil(); |
| rx::TextureStorage *getTextureStorage(); |
| |
| virtual GLsizei getWidth() const; |
| virtual GLsizei getHeight() const; |
| virtual GLenum getInternalFormat() const; |
| virtual GLenum getActualFormat() const; |
| virtual GLsizei getSamples() const; |
| |
| virtual unsigned int getSerial() const; |
| |
| virtual GLuint id() const; |
| virtual GLenum type() const; |
| virtual GLint mipLevel() const; |
| virtual GLint layer() const; |
| virtual unsigned int getTextureSerial() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture2DAttachment); |
| |
| BindingPointer<Texture2D> mTexture2D; |
| const GLint mLevel; |
| }; |
| |
| class TextureCubeMapAttachment : public FramebufferAttachment |
| { |
| public: |
| TextureCubeMapAttachment(TextureCubeMap *texture, GLenum faceTarget, GLint level); |
| |
| virtual ~TextureCubeMapAttachment(); |
| |
| rx::RenderTarget *getRenderTarget(); |
| rx::RenderTarget *getDepthStencil(); |
| rx::TextureStorage *getTextureStorage(); |
| |
| virtual GLsizei getWidth() const; |
| virtual GLsizei getHeight() const; |
| virtual GLenum getInternalFormat() const; |
| virtual GLenum getActualFormat() const; |
| virtual GLsizei getSamples() const; |
| |
| virtual unsigned int getSerial() const; |
| |
| virtual GLuint id() const; |
| virtual GLenum type() const; |
| virtual GLint mipLevel() const; |
| virtual GLint layer() const; |
| virtual unsigned int getTextureSerial() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureCubeMapAttachment); |
| |
| BindingPointer<TextureCubeMap> mTextureCubeMap; |
| const GLint mLevel; |
| const GLenum mFaceTarget; |
| }; |
| |
| class Texture3DAttachment : public FramebufferAttachment |
| { |
| public: |
| Texture3DAttachment(Texture3D *texture, GLint level, GLint layer); |
| |
| virtual ~Texture3DAttachment(); |
| |
| rx::RenderTarget *getRenderTarget(); |
| rx::RenderTarget *getDepthStencil(); |
| rx::TextureStorage *getTextureStorage(); |
| |
| virtual GLsizei getWidth() const; |
| virtual GLsizei getHeight() const; |
| virtual GLenum getInternalFormat() const; |
| virtual GLenum getActualFormat() const; |
| virtual GLsizei getSamples() const; |
| |
| virtual unsigned int getSerial() const; |
| |
| virtual GLuint id() const; |
| virtual GLenum type() const; |
| virtual GLint mipLevel() const; |
| virtual GLint layer() const; |
| virtual unsigned int getTextureSerial() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture3DAttachment); |
| |
| BindingPointer<Texture3D> mTexture3D; |
| const GLint mLevel; |
| const GLint mLayer; |
| }; |
| |
| class Texture2DArrayAttachment : public FramebufferAttachment |
| { |
| public: |
| Texture2DArrayAttachment(Texture2DArray *texture, GLint level, GLint layer); |
| |
| virtual ~Texture2DArrayAttachment(); |
| |
| rx::RenderTarget *getRenderTarget(); |
| rx::RenderTarget *getDepthStencil(); |
| rx::TextureStorage *getTextureStorage(); |
| |
| virtual GLsizei getWidth() const; |
| virtual GLsizei getHeight() const; |
| virtual GLenum getInternalFormat() const; |
| virtual GLenum getActualFormat() const; |
| virtual GLsizei getSamples() const; |
| |
| virtual unsigned int getSerial() const; |
| |
| virtual GLuint id() const; |
| virtual GLenum type() const; |
| virtual GLint mipLevel() const; |
| virtual GLint layer() const; |
| virtual unsigned int getTextureSerial() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture2DArrayAttachment); |
| |
| BindingPointer<Texture2DArray> mTexture2DArray; |
| const GLint mLevel; |
| const GLint mLayer; |
| }; |
| |
| class RenderbufferAttachment : public FramebufferAttachment |
| { |
| public: |
| RenderbufferAttachment(Renderbuffer *renderbuffer); |
| |
| virtual ~RenderbufferAttachment(); |
| |
| rx::RenderTarget *getRenderTarget(); |
| rx::RenderTarget *getDepthStencil(); |
| rx::TextureStorage *getTextureStorage(); |
| |
| virtual GLsizei getWidth() const; |
| virtual GLsizei getHeight() const; |
| virtual GLenum getInternalFormat() const; |
| virtual GLenum getActualFormat() const; |
| virtual GLsizei getSamples() const; |
| |
| virtual unsigned int getSerial() const; |
| |
| virtual GLuint id() const; |
| virtual GLenum type() const; |
| virtual GLint mipLevel() const; |
| virtual GLint layer() const; |
| virtual unsigned int getTextureSerial() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(RenderbufferAttachment); |
| |
| BindingPointer<Renderbuffer> mRenderbuffer; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |