michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "WebGLContext.h"
michael@0: #include "WebGLFramebufferAttachable.h"
michael@0: #include "WebGLFramebuffer.h"
michael@0: #include "WebGLRenderbuffer.h"
michael@0: #include "WebGLTexture.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: WebGLFramebufferAttachable::AttachmentPoint*
michael@0: WebGLFramebufferAttachable::Contains(const WebGLFramebuffer* fb, GLenum attachment)
michael@0: {
michael@0:     AttachmentPoint* first = mAttachmentPoints.begin();
michael@0:     AttachmentPoint* last = mAttachmentPoints.end();
michael@0: 
michael@0:     for (; first != last; ++first) {
michael@0:         if (first->mFB == fb && first->mAttachment == attachment)
michael@0:             return first;
michael@0:     }
michael@0: 
michael@0:     return nullptr;
michael@0: }
michael@0: 
michael@0: void
michael@0: WebGLFramebufferAttachable::AttachTo(WebGLFramebuffer* fb, GLenum attachment)
michael@0: {
michael@0:     MOZ_ASSERT(fb);
michael@0:     if (!fb)
michael@0:         return;
michael@0: 
michael@0:     if (Contains(fb, attachment))
michael@0:         return; // Already attached. Ignore.
michael@0: 
michael@0:     mAttachmentPoints.append(AttachmentPoint(fb, attachment));
michael@0: }
michael@0: 
michael@0: void
michael@0: WebGLFramebufferAttachable::DetachFrom(WebGLFramebuffer* fb, GLenum attachment)
michael@0: {
michael@0:     MOZ_ASSERT(fb);
michael@0:     if (!fb)
michael@0:         return;
michael@0: 
michael@0:     AttachmentPoint* point = Contains(fb, attachment);
michael@0:     if (!point) {
michael@0:         MOZ_ASSERT(false, "Is not attached to FB");
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     mAttachmentPoints.erase(point);
michael@0: }
michael@0: 
michael@0: void
michael@0: WebGLFramebufferAttachable::NotifyFBsStatusChanged()
michael@0: {
michael@0:     AttachmentPoint* first = mAttachmentPoints.begin();
michael@0:     AttachmentPoint* last = mAttachmentPoints.end();
michael@0:     for ( ; first != last; ++first)
michael@0:         first->mFB->NotifyAttachableChanged();
michael@0: }