Postpone deleteRenderbuffer/deleteTexture until all framebuffer attachment points are removed.
https://bugs.webkit.org/show_bug.cgi?id=74741
Reviewed by Kenneth Russell.
Source/WebCore:
Use WebGLObject's attachment count mechanism to track if a renderbuffer/texture
is still attached to framebuffers, and if its deletion should be delated or not.
* html/canvas/WebGLFramebuffer.cpp:
(WebCore::WebGLFramebuffer::setAttachmentForBoundFramebuffer):
(WebCore::WebGLFramebuffer::getAttachment):
(WebCore::WebGLFramebuffer::removeAttachmentFromBoundFramebuffer):
(WebCore::WebGLFramebuffer::deleteObjectImpl):
(WebCore::WebGLFramebuffer::isBound):
* html/canvas/WebGLFramebuffer.h:
LayoutTests:
* fast/canvas/webgl/object-deletion-behaviour-expected.txt:
* fast/canvas/webgl/object-deletion-behaviour.html: synced with khronos side.
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@103272 268f45cc-cd09-0410-ab3c-d52691b4dbfc
8 files changed
