kc3-lang/angle/src/libANGLE/FramebufferAttachment.h

• Show log

  Commit

• Hash : 8cf4a39b
  Author :
  Date : 2015-04-02T11:36:04
  

  Return a ref for FBO attachment image indexes.
  
  This cleans up the syntax somewhat. Also place some more of the
  helper methods in the header.
  
  BUG=angleproject:963
  
  Change-Id: I62419095a7b65486f54d74791027594e8e595e48
  Reviewed-on: https://chromium-review.googlesource.com/263629
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

Download

• src/libANGLE/FramebufferAttachment.h

• //
  // 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 LIBANGLE_FRAMEBUFFERATTACHMENT_H_
  #define LIBANGLE_FRAMEBUFFERATTACHMENT_H_
  
  #include "angle_gl.h"
  #include "common/angleutils.h"
  #include "libANGLE/Texture.h"
  #include "libANGLE/Renderbuffer.h"
  #include "libANGLE/Surface.h"
  
  namespace gl
  {
  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 : angle::NonCopyable
  {
    public:
      FramebufferAttachment(GLenum binding,
                            const ImageIndex &textureIndex,
                            RefCountObject *resource);
      virtual ~FramebufferAttachment();
  
      // Helper methods
      GLuint getRedSize() const;
      GLuint getGreenSize() const;
      GLuint getBlueSize() const;
      GLuint getAlphaSize() const;
      GLuint getDepthSize() const;
      GLuint getStencilSize() const;
      GLenum getComponentType() const;
      GLenum getColorEncoding() const;
  
      bool isTextureWithId(GLuint textureId) const { return type() == GL_TEXTURE && id() == textureId; }
      bool isRenderbufferWithId(GLuint renderbufferId) const { return type() == GL_RENDERBUFFER && id() == renderbufferId; }
  
      GLenum getBinding() const { return mBinding; }
      GLuint id() const { return mResource.id(); }
  
      // These methods are only legal to call on Texture attachments
      const ImageIndex &getTextureImageIndex() const;
      GLenum cubeMapFace() const;
      GLint mipLevel() const;
      GLint layer() const;
  
      // Child class interface
      virtual GLsizei getWidth() const = 0;
      virtual GLsizei getHeight() const = 0;
      virtual GLenum getInternalFormat() const = 0;
      virtual GLsizei getSamples() const = 0;
  
      virtual GLenum type() const = 0;
  
      virtual Texture *getTexture() const = 0;
      virtual Renderbuffer *getRenderbuffer() const = 0;
  
    protected:
      GLenum mBinding;
      ImageIndex mTextureIndex;
      BindingPointer<RefCountObject> mResource;
  };
  
  class TextureAttachment : public FramebufferAttachment
  {
    public:
      TextureAttachment(GLenum binding, Texture *texture, const ImageIndex &index);
      virtual ~TextureAttachment();
  
      virtual GLsizei getSamples() const;
  
      virtual GLsizei getWidth() const;
      virtual GLsizei getHeight() const;
      virtual GLenum getInternalFormat() const;
  
      virtual GLenum type() const;
  
      virtual Renderbuffer *getRenderbuffer() const;
  
      Texture *getTexture() const override
      {
          return rx::GetAs<Texture>(mResource.get());
      }
  };
  
  class RenderbufferAttachment : public FramebufferAttachment
  {
    public:
      RenderbufferAttachment(GLenum binding, Renderbuffer *renderbuffer);
  
      virtual ~RenderbufferAttachment();
  
      virtual GLsizei getWidth() const;
      virtual GLsizei getHeight() const;
      virtual GLenum getInternalFormat() const;
      virtual GLsizei getSamples() const;
  
      virtual GLenum type() const;
  
      virtual Texture *getTexture() const;
  
      Renderbuffer *getRenderbuffer() const override
      {
          return rx::GetAs<Renderbuffer>(mResource.get());
      }
  };
  
  class DefaultAttachment : public FramebufferAttachment
  {
    public:
      DefaultAttachment(GLenum binding, egl::Surface *surface);
  
      virtual ~DefaultAttachment();
  
      virtual GLsizei getWidth() const;
      virtual GLsizei getHeight() const;
      virtual GLenum getInternalFormat() const;
      virtual GLsizei getSamples() const;
  
      virtual GLenum type() const;
  
      virtual Texture *getTexture() const;
      virtual Renderbuffer *getRenderbuffer() const;
  
      const egl::Surface *getSurface() const
      {
          return rx::GetAs<egl::Surface>(mResource.get());
      }
  };
  
  }
  
  #endif // LIBANGLE_FRAMEBUFFERATTACHMENT_H_
  

Download