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Implement a missing INVALID_OPERATION check in DrawArrays

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This commit is contained in:
Anthony Ramine 2018-03-21 09:18:47 +01:00
parent 2a9c2bc8fd
commit 3229c62282
3 changed files with 24 additions and 23 deletions
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38
components/script/dom/webglrenderingcontext.rs
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@ -2137,24 +2137,28 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
constants::POINTS | constants::LINE_STRIP |
constants::LINE_LOOP | constants::LINES |
constants::TRIANGLE_STRIP | constants::TRIANGLE_FAN |
constants::TRIANGLES => {
if self.current_program.get().is_none() {
return self.webgl_error(InvalidOperation);
}
if first < 0 || count < 0 {
return self.webgl_error(InvalidValue);
}
if !self.validate_framebuffer_complete() {
return;
}
self.send_command(WebGLCommand::DrawArrays(mode, first, count));
self.mark_as_dirty();
},
_ => self.webgl_error(InvalidEnum),
constants::TRIANGLES => {},
_ => {
return self.webgl_error(InvalidEnum);
}
}
if first < 0 || count < 0 {
return self.webgl_error(InvalidValue);
}
if self.current_program.get().is_none() {
return self.webgl_error(InvalidOperation);
}
if let Some(array_buffer) = self.bound_buffer_array.get() {
if count > 0 && (first as u64 + count as u64 > array_buffer.capacity() as u64) {
return self.webgl_error(InvalidOperation);
}
}
if !self.validate_framebuffer_complete() {
return;
}
self.send_command(WebGLCommand::DrawArrays(mode, first, count));
self.mark_as_dirty();
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.11