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Auto merge of #25521 - szeged:mmatyas__webgl_fns_rastdisc, r=nox

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Add support for WebGL2 `RASTERIZER_DISCARD` enum.

Add support for the `RASTERIZER_DISCARD` enum for the WebGL2 version of the `Enable`, `Disable` and `IsEnabled` functions.

See https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.2

<!-- Please describe your changes on the following line: -->

cc @jdm @zakorgy @imiklos

Note: The test results may depend on #25519.

---
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- [x] `./mach test-tidy` does not report any errors
- [x] There are tests for these changes

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This commit is contained in:
bors-servo 2020-01-14 11:47:07 -05:00 • committed by GitHub
commit 85ea8df00c
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4 changed files with 26 additions and 40 deletions
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25
components/script/dom/webgl2renderingcontext.rs
View file

@ -71,6 +71,7 @@ pub struct WebGL2RenderingContext {
texture_pack_row_length: Cell<usize>,
texture_pack_skip_pixels: Cell<usize>,
texture_pack_skip_rows: Cell<usize>,
enable_rasterizer_discard: Cell<bool>,
}
fn typedarray_elem_size(typeid: Type) -> usize {
@ -124,6 +125,7 @@ impl WebGL2RenderingContext {
texture_pack_row_length: Cell::new(0),
texture_pack_skip_pixels: Cell::new(0),
texture_pack_skip_rows: Cell::new(0),
enable_rasterizer_discard: Cell::new(false),
})
}
@ -991,12 +993,24 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
fn Enable(&self, cap: u32) {
self.base.Enable(cap)
match cap {
constants::RASTERIZER_DISCARD => {
self.enable_rasterizer_discard.set(true);
self.base.send_command(WebGLCommand::Enable(cap));
},
_ => self.base.Enable(cap),
}
}
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
fn Disable(&self, cap: u32) {
self.base.Disable(cap)
match cap {
constants::RASTERIZER_DISCARD => {
self.enable_rasterizer_discard.set(false);
self.base.send_command(WebGLCommand::Disable(cap));
},
_ => self.base.Disable(cap),
}
}
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
@ -1200,9 +1214,12 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
}
// TODO: We could write this without IPC, recording the calls to `enable` and `disable`.
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
/// https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.2
fn IsEnabled(&self, cap: u32) -> bool {
self.base.IsEnabled(cap)
match cap {
constants::RASTERIZER_DISCARD => self.enable_rasterizer_discard.get(),
_ => self.base.IsEnabled(cap),
}
}
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.6

13
tests/wpt/webgl/meta/conformance2/transform_feedback/same-buffer-two-binding-points.html.ini
View file

@ -1,13 +0,0 @@
[same-buffer-two-binding-points.html]
[WebGL test #7: getError expected: INVALID_OPERATION. Was INVALID_ENUM : same buffer bound to two transform feedback binding points with bindBufferRange, non-overlapping ranges]
expected: FAIL
[WebGL test #3: getError expected: INVALID_OPERATION. Was INVALID_ENUM : same buffer bound to two transform feedback binding points with bindBufferBase]
expected: FAIL
[WebGL test #5: getError expected: INVALID_OPERATION. Was INVALID_ENUM : same buffer bound to two transform feedback binding points with bindBufferRange, overlapping ranges]
expected: FAIL
[WebGL test #9: getError expected: INVALID_OPERATION. Was INVALID_ENUM : same buffer bound to two transform feedback binding points with bindBufferBase, but one of the binding points doesn't have a corresponding shader output]
expected: FAIL

14
tests/wpt/webgl/meta/conformance2/transform_feedback/transform_feedback.html.ini
View file

@ -1,13 +1,4 @@
[transform_feedback.html]
[WebGL test #2: getError expected: NO_ERROR. Was INVALID_ENUM : TRANSFORM_FEEDBACK_BINDING query should succeed]
expected: FAIL
[WebGL test #35: getError expected: NO_ERROR. Was INVALID_ENUM : linking transform feedback shader should not set an error]
expected: FAIL
[WebGL test #29: getError expected: NO_ERROR. Was INVALID_ENUM : linking transform feedback shader should not set an error]
expected: FAIL
[WebGL test #31: buffer should match expected values]
expected: FAIL
@ -26,9 +17,12 @@
[WebGL test #28: buffer should match expected values]
expected: FAIL
[WebGL test #24: getError expected: INVALID_OPERATION. Was INVALID_ENUM : after evaluating: gl.getBufferSubData(gl.TRANSFORM_FEEDBACK_BUFFER, 0, retArray, 0, retArray.length)]
[WebGL test #35: getError expected: NO_ERROR. Was INVALID_OPERATION : linking transform feedback shader should not set an error]
expected: FAIL
[WebGL test #34: TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN query returned an incorrect result 0 (expected 3)]
expected: FAIL
[WebGL test #29: getError expected: NO_ERROR. Was INVALID_OPERATION : linking transform feedback shader should not set an error]
expected: FAIL

14
tests/wpt/webgl/meta/conformance2/transform_feedback/unwritten-output-defaults-to-zero.html.ini
View file

@ -1,19 +1,7 @@
[unwritten-output-defaults-to-zero.html]
[WebGL test #1: Fail to set up the program]
expected: FAIL
[WebGL test #2: Fail to set up the program]
expected: FAIL
[WebGL test #1: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
expected: FAIL
[WebGL test #2: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
expected: FAIL
[WebGL test #2: buffer should match expected values]
expected: FAIL
[WebGL test #3: getError expected: NO_ERROR. Was INVALID_ENUM : Set up program should succeed]
[WebGL test #3: getError expected: NO_ERROR. Was INVALID_OPERATION : Set up program should succeed]
expected: FAIL