FBStatus
WebGLFramebuffer::CheckFramebufferStatus(nsCString* const out_info) const
{
if (mIsKnownFBComplete)
return LOCAL_GL_FRAMEBUFFER_COMPLETE;
FBStatus ret = PrecheckFramebufferStatus(out_info);
if (ret != LOCAL_GL_FRAMEBUFFER_COMPLETE)
return ret;
// Looks good on our end. Let's ask the driver.
mContext->MakeContextCurrent();
// Ok, attach our chosen flavor of {DEPTH, STENCIL, DEPTH_STENCIL}.
FinalizeAttachments();
// TODO: This should not be unconditionally GL_FRAMEBUFFER.
ret = mContext->gl->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
if (ret == LOCAL_GL_FRAMEBUFFER_COMPLETE) {
mIsKnownFBComplete = true;
} else {
out_info->AssignLiteral("Bad status according to the driver");
}
return ret;
}
FBStatus
WebGLFramebuffer::CheckFramebufferStatus() const
{
if (mStatus != 0)
return mStatus;
mStatus = PrecheckFramebufferStatus().get();
if (mStatus != LOCAL_GL_FRAMEBUFFER_COMPLETE)
return mStatus;
// Looks good on our end. Let's ask the driver.
mContext->MakeContextCurrent();
// Ok, attach our chosen flavor of {DEPTH, STENCIL, DEPTH_STENCIL}.
FinalizeAttachments();
// TODO: This should not be unconditionally GL_FRAMEBUFFER.
mStatus = mContext->gl->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
return mStatus;
}
JS::Value
WebGLFramebuffer::GetAttachmentParameter(const char* funcName, JSContext* cx,
GLenum target, GLenum attachment,
GLenum pname, ErrorResult* const out_error)
{
auto attachPoint = GetAttachPoint(attachment);
if (!attachPoint) {
mContext->ErrorInvalidEnum("%s: Can only query COLOR_ATTACHMENTi,"
" DEPTH_ATTACHMENT, DEPTH_STENCIL_ATTACHMENT, or"
" STENCIL_ATTACHMENT for a framebuffer.",
funcName);
return JS::NullValue();
}
if (mContext->IsWebGL2() && attachment == LOCAL_GL_DEPTH_STENCIL_ATTACHMENT) {
// There are a couple special rules for this one.
if (pname == LOCAL_GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE) {
mContext->ErrorInvalidOperation("%s: Querying"
" FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE"
" against DEPTH_STENCIL_ATTACHMENT is an"
" error.",
funcName);
return JS::NullValue();
}
if (AttachmentsDontMatch(DepthAttachment(), StencilAttachment())) {
mContext->ErrorInvalidOperation("%s: DEPTH_ATTACHMENT and STENCIL_ATTACHMENT"
" have different objects bound.",
funcName);
return JS::NullValue();
}
attachPoint = GetAttachPoint(LOCAL_GL_DEPTH_ATTACHMENT);
}
FinalizeAttachments();
return attachPoint->GetParameter(funcName, mContext, cx, target, attachment, pname,
out_error);
}
FBStatus
WebGLFramebuffer::CheckFramebufferStatus() const
{
if (mIsKnownFBComplete)
return LOCAL_GL_FRAMEBUFFER_COMPLETE;
FBStatus ret = PrecheckFramebufferStatus();
if (ret != LOCAL_GL_FRAMEBUFFER_COMPLETE)
return ret;
// Looks good on our end. Let's ask the driver.
mContext->MakeContextCurrent();
// Ok, attach our chosen flavor of {DEPTH, STENCIL, DEPTH_STENCIL}.
FinalizeAttachments();
// TODO: This should not be unconditionally GL_FRAMEBUFFER.
ret = mContext->gl->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
if (ret == LOCAL_GL_FRAMEBUFFER_COMPLETE)
mIsKnownFBComplete = true;
return ret;
}
