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

• Show log

  Commit

• Hash : 79481d65
  Author :
  Date : 2015-04-14T08:13:47
  

  Add FramebufferAttachmentObject base class.
  
  This lets us share objects (Textures/RBs/Surface) in the attachment
  class. It will let us squash the attachment classes into one type,
  which will in turn let us store them by-value, instead of by-pointer.
  
  BUG=angleproject:963
  
  Change-Id: Ia9a43dbc3b99475c00f6bc2ed5475deef55addc3
  Reviewed-on: https://chromium-review.googlesource.com/263487
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

Download

• src/libANGLE/Surface.h

• //
  // Copyright (c) 2002-2014 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.
  //
  
  // Surface.h: Defines the egl::Surface class, representing a drawing surface
  // such as the client area of a window, including any back buffers.
  // Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
  
  #ifndef LIBANGLE_SURFACE_H_
  #define LIBANGLE_SURFACE_H_
  
  #include <EGL/egl.h>
  
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/FramebufferAttachment.h"
  
  namespace gl
  {
  class Texture;
  }
  
  namespace rx
  {
  class SurfaceImpl;
  }
  
  namespace egl
  {
  class AttributeMap;
  class Display;
  struct Config;
  
  class Surface final : public gl::FramebufferAttachmentObject
  {
    public:
      Surface(rx::SurfaceImpl *impl, EGLint surfaceType, const egl::Config *config, const AttributeMap &attributes);
  
      rx::SurfaceImpl *getImplementation() { return mImplementation; }
      const rx::SurfaceImpl *getImplementation() const { return mImplementation; }
  
      EGLint getType() const;
  
      Error swap();
      Error postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height);
      Error querySurfacePointerANGLE(EGLint attribute, void **value);
      Error bindTexImage(gl::Texture *texture, EGLint buffer);
      Error releaseTexImage(EGLint buffer);
  
      EGLint isPostSubBufferSupported() const;
  
      void setSwapInterval(EGLint interval);
  
      const Config *getConfig() const;
  
      // width and height can change with client window resizing
      EGLint getWidth() const;
      EGLint getHeight() const;
      EGLint getPixelAspectRatio() const;
      EGLenum getRenderBuffer() const;
      EGLenum getSwapBehavior() const;
      EGLenum getTextureFormat() const;
      EGLenum getTextureTarget() const;
  
      gl::Texture *getBoundTexture() const { return mTexture; }
  
      EGLint isFixedSize() const;
  
      // FramebufferAttachmentObject implementation
      GLsizei getAttachmentWidth(const gl::FramebufferAttachment::Target &/*target*/) const override { return getWidth(); }
      GLsizei getAttachmentHeight(const gl::FramebufferAttachment::Target &/*target*/) const override { return getHeight(); }
      GLenum getAttachmentInternalFormat(const gl::FramebufferAttachment::Target &target) const override;
      GLsizei getAttachmentSamples(const gl::FramebufferAttachment::Target &target) const override;
  
    private:
      virtual ~Surface();
  
      rx::SurfaceImpl *mImplementation;
  
      EGLint mType;
  
      const egl::Config *mConfig;
  
      bool mPostSubBufferRequested;
  
      bool mFixedSize;
      size_t mFixedWidth;
      size_t mFixedHeight;
  
      EGLenum mTextureFormat;
      EGLenum mTextureTarget;
  
      EGLint mPixelAspectRatio;      // Display aspect ratio
      EGLenum mRenderBuffer;         // Render buffer
      EGLenum mSwapBehavior;         // Buffer swap behavior
  
      gl::Texture *mTexture;
  };
  
  }
  
  #endif   // LIBANGLE_SURFACE_H_
  

Download