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webgl: Differentiate between missing colour attachments and incomplete attachments.

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This commit is contained in:
Josh Matthews 2018-08-22 15:26:32 -04:00
parent 690c98dda7
commit df8e36aa78
3 changed files with 18 additions and 17 deletions
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14
components/script/dom/webglframebuffer.rs
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@ -18,6 +18,12 @@ use dom::webgltexture::WebGLTexture;
use dom_struct::dom_struct;
use std::cell::Cell;
pub enum CompleteForRendering {
Complete,
Incomplete,
MissingColorAttachment,
}
#[must_root]
#[derive(Clone, JSTraceable, MallocSizeOf)]
enum WebGLFramebufferAttachment {
@ -214,14 +220,14 @@ impl WebGLFramebuffer {
return self.status.get();
}
pub fn check_status_for_rendering(&self) -> u32 {
pub fn check_status_for_rendering(&self) -> CompleteForRendering {
let result = self.check_status();
if result != constants::FRAMEBUFFER_COMPLETE {
return result;
return CompleteForRendering::Incomplete;
}
if self.color.borrow().is_none() {
return constants::FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
return CompleteForRendering::MissingColorAttachment;
}
if !self.is_initialized.get() {
@ -245,7 +251,7 @@ impl WebGLFramebuffer {
self.is_initialized.set(true);
}
constants::FRAMEBUFFER_COMPLETE
CompleteForRendering::Complete
}
pub fn renderbuffer(&self, attachment: u32, rb: Option<&WebGLRenderbuffer>) -> WebGLResult<()> {