dom/canvas/WebGLFramebufferAttachable.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef WEBGLFRAMEBUFFERATTACHABLE_H_
   7 #define WEBGLFRAMEBUFFERATTACHABLE_H_
   8
   9 #include "GLDefs.h"
  10 #include "nsTArray.h"
  11 #include "mozilla/WeakPtr.h"
  12 #include "WebGLFramebuffer.h"
  13
  14 namespace mozilla {
  15
  16 class WebGLFramebufferAttachable
  17 {
  18     struct AttachmentPoint
  19     {
  20         AttachmentPoint(const WebGLFramebuffer* fb, GLenum attachment)
  21             : mFB(fb)
  22             , mAttachment(attachment)
  23         {}
  24
  25         WeakPtr<const WebGLFramebuffer> mFB;
  26         GLenum mAttachment;
  27
  28         bool operator==(const AttachmentPoint& o) const {
  29           return mFB == o.mFB && mAttachment == o.mAttachment;
  30         }
  31     };
  32
  33     nsTArray<AttachmentPoint> mAttachmentPoints;
  34
  35 public:
  36
  37     // Track FBO/Attachment combinations
  38     void AttachTo(WebGLFramebuffer* fb, GLenum attachment);
  39     void DetachFrom(WebGLFramebuffer* fb, GLenum attachment);
  40     void NotifyFBsStatusChanged();
  41 };
  42
  43 } // namespace mozilla
  44
  45 #endif // !WEBGLFRAMEBUFFERATTACHABLE_H_