FBStatus
WebGLFramebuffer::PrecheckFramebufferStatus(nsCString* const out_info) const
{
MOZ_ASSERT(mContext->mBoundDrawFramebuffer == this ||
mContext->mBoundReadFramebuffer == this);
if (!HasDefinedAttachments())
return LOCAL_GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT; // No attachments
if (HasIncompleteAttachments(out_info))
return LOCAL_GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
if (!mContext->IsWebGL2()) {
// INCOMPLETE_DIMENSIONS doesn't exist in GLES3.
if (!AllImageRectsMatch())
return LOCAL_GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS; // Inconsistent sizes
const auto depthOrStencilCount = int(mDepthAttachment.IsDefined()) +
int(mStencilAttachment.IsDefined()) +
int(mDepthStencilAttachment.IsDefined());
if (depthOrStencilCount > 1)
return LOCAL_GL_FRAMEBUFFER_UNSUPPORTED;
}
return LOCAL_GL_FRAMEBUFFER_COMPLETE;
}
const WebGLRectangleObject&
WebGLFramebuffer::RectangleObject() const
{
// If we're using this as the RectObj of an FB, we need to be sure the FB
// has a consistent rect.
MOZ_ASSERT(AllImageRectsMatch(), "Did you mean `GetAnyRectObject`?");
return GetAnyRectObject();
}
FBStatus
WebGLFramebuffer::PrecheckFramebufferStatus() const
{
MOZ_ASSERT(mContext->mBoundDrawFramebuffer == this ||
mContext->mBoundReadFramebuffer == this);
if (!HasDefinedAttachments())
return LOCAL_GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT; // No attachments
if (HasIncompleteAttachments())
return LOCAL_GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
if (!AllImageRectsMatch())
return LOCAL_GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS; // Inconsistent sizes
if (HasDepthStencilConflict())
return LOCAL_GL_FRAMEBUFFER_UNSUPPORTED;
return LOCAL_GL_FRAMEBUFFER_COMPLETE;
}
