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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
View file

@ -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<()> {

12
components/script/dom/webglrenderingcontext.rs
View file

@ -39,7 +39,7 @@ use dom::webgl_validations::types::{TexDataType, TexFormat, TexImageTarget};
use dom::webglactiveinfo::WebGLActiveInfo;
use dom::webglbuffer::WebGLBuffer;
use dom::webglcontextevent::WebGLContextEvent;
use dom::webglframebuffer::{WebGLFramebuffer, WebGLFramebufferAttachmentRoot};
use dom::webglframebuffer::{WebGLFramebuffer, WebGLFramebufferAttachmentRoot, CompleteForRendering};
use dom::webglobject::WebGLObject;
use dom::webglprogram::WebGLProgram;
use dom::webglrenderbuffer::WebGLRenderbuffer;
@ -339,10 +339,14 @@ impl WebGLRenderingContext {
// this: clear() and getParameter(IMPLEMENTATION_COLOR_READ_*).
fn validate_framebuffer(&self) -> WebGLResult<()> {
match self.bound_framebuffer.get() {
Some(ref fb) if fb.check_status_for_rendering() != constants::FRAMEBUFFER_COMPLETE => {
Err(InvalidFramebufferOperation)
Some(fb) => match fb.check_status_for_rendering() {
CompleteForRendering::Complete => Ok(()),
CompleteForRendering::Incomplete =>
Err(InvalidFramebufferOperation),
CompleteForRendering::MissingColorAttachment =>
Err(InvalidOperation),
},
_ => Ok(()),
None => Ok(()),
}
}

9
tests/wpt/webgl/meta/conformance/renderbuffers/framebuffer-object-attachment.html.ini
View file

@ -1,12 +1,3 @@
[framebuffer-object-attachment.html]
[WebGL test #139: at (0, 0) expected: 0,255,0,255 was 255,0,0,255]
expected: fail
[WebGL test #559: getError expected: INVALID_OPERATION. Was INVALID_FRAMEBUFFER_OPERATION : After CopyTexSubImage2D from missing attachment]
expected: FAIL
[WebGL test #555: getError expected: INVALID_OPERATION. Was INVALID_FRAMEBUFFER_OPERATION : After ReadPixels from missing attachment]
expected: FAIL
[WebGL test #557: getError expected: INVALID_OPERATION. Was INVALID_FRAMEBUFFER_OPERATION : After CopyTexImage2D from missing attachment]
expected: FAIL