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Make validate_framebuffer return a WebGLResult<()>

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This commit is contained in:
Anthony Ramine 2018-09-06 11:25:06 +02:00
parent 0579fbe4fa
commit 5a206d5137
1 changed files with 15 additions and 40 deletions
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55
components/script/dom/webglrenderingcontext.rs
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@ -336,17 +336,12 @@ impl WebGLRenderingContext {
// //
// The WebGL spec mentions a couple more operations that trigger // The WebGL spec mentions a couple more operations that trigger
// this: clear() and getParameter(IMPLEMENTATION_COLOR_READ_*). // this: clear() and getParameter(IMPLEMENTATION_COLOR_READ_*).
fn validate_framebuffer_complete(&self) -> bool { fn validate_framebuffer(&self) -> WebGLResult<()> {
match self.bound_framebuffer.get() { match self.bound_framebuffer.get() {
Some(fb) => match fb.check_status() { Some(ref fb) if fb.check_status() != constants::FRAMEBUFFER_COMPLETE => {
constants::FRAMEBUFFER_COMPLETE => return true, Err(InvalidFramebufferOperation)
_ => {
self.webgl_error(InvalidFramebufferOperation);
return false;
}
}, },
// The default framebuffer is always complete. _ => Ok(()),
None => return true,
} }
} }
@ -1104,9 +1099,7 @@ impl WebGLRenderingContext {
&current_program.active_attribs(), &current_program.active_attribs(),
)?; )?;
if !self.validate_framebuffer_complete() { self.validate_framebuffer()?;
return Ok(());
}
if count == 0 || primcount == 0 { if count == 0 || primcount == 0 {
return Ok(()); return Ok(());
@ -1166,9 +1159,7 @@ impl WebGLRenderingContext {
// TODO(nox): Pass the correct number of vertices required. // TODO(nox): Pass the correct number of vertices required.
self.current_vao().validate_for_draw(0, primcount as u32, &current_program.active_attribs())?; self.current_vao().validate_for_draw(0, primcount as u32, &current_program.active_attribs())?;
if !self.validate_framebuffer_complete() { self.validate_framebuffer()?;
return Ok(());
}
if count == 0 || primcount == 0 { if count == 0 || primcount == 0 {
return Ok(()); return Ok(());
@ -1200,9 +1191,7 @@ impl WebGLRenderingContext {
// //
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#2.2 // https://www.khronos.org/registry/webgl/specs/latest/1.0/#2.2
pub fn get_image_data(&self, mut width: u32, mut height: u32) -> Option<Vec<u8>> { pub fn get_image_data(&self, mut width: u32, mut height: u32) -> Option<Vec<u8>> {
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return None);
return None;
}
if let Some((fb_width, fb_height)) = self.get_current_framebuffer_size() { if let Some((fb_width, fb_height)) = self.get_current_framebuffer_size() {
width = cmp::min(width, fb_width as u32); width = cmp::min(width, fb_width as u32);
@ -1406,18 +1395,12 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// GL_OES_read_format support (assuming an underlying GLES // GL_OES_read_format support (assuming an underlying GLES
// driver. Desktop is happy to format convert for us). // driver. Desktop is happy to format convert for us).
constants::IMPLEMENTATION_COLOR_READ_FORMAT => { constants::IMPLEMENTATION_COLOR_READ_FORMAT => {
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return NullValue());
return NullValue(); return Int32Value(constants::RGBA as i32);
} else {
return Int32Value(constants::RGBA as i32);
}
} }
constants::IMPLEMENTATION_COLOR_READ_TYPE => { constants::IMPLEMENTATION_COLOR_READ_TYPE => {
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return NullValue());
return NullValue(); return Int32Value(constants::UNSIGNED_BYTE as i32);
} else {
return Int32Value(constants::UNSIGNED_BYTE as i32);
}
} }
constants::COMPRESSED_TEXTURE_FORMATS => { constants::COMPRESSED_TEXTURE_FORMATS => {
// FIXME(nox): https://github.com/servo/servo/issues/20594 // FIXME(nox): https://github.com/servo/servo/issues/20594
@ -1951,9 +1934,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8 // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
fn CopyTexImage2D(&self, target: u32, level: i32, internal_format: u32, fn CopyTexImage2D(&self, target: u32, level: i32, internal_format: u32,
x: i32, y: i32, width: i32, height: i32, border: i32) { x: i32, y: i32, width: i32, height: i32, border: i32) {
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return);
return;
}
let validator = CommonTexImage2DValidator::new(self, target, level, let validator = CommonTexImage2DValidator::new(self, target, level,
internal_format, width, internal_format, width,
@ -2008,9 +1989,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8 // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
fn CopyTexSubImage2D(&self, target: u32, level: i32, xoffset: i32, yoffset: i32, fn CopyTexSubImage2D(&self, target: u32, level: i32, xoffset: i32, yoffset: i32,
x: i32, y: i32, width: i32, height: i32) { x: i32, y: i32, width: i32, height: i32) {
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return);
return;
}
// NB: We use a dummy (valid) format and border in order to reuse the // NB: We use a dummy (valid) format and border in order to reuse the
// common validations, but this should have its own validator. // common validations, but this should have its own validator.
@ -2051,9 +2030,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.11 // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.11
fn Clear(&self, mask: u32) { fn Clear(&self, mask: u32) {
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return);
return;
}
if mask & !(constants::DEPTH_BUFFER_BIT | constants::STENCIL_BUFFER_BIT | constants::COLOR_BUFFER_BIT) != 0 { if mask & !(constants::DEPTH_BUFFER_BIT | constants::STENCIL_BUFFER_BIT | constants::COLOR_BUFFER_BIT) != 0 {
return self.webgl_error(InvalidValue); return self.webgl_error(InvalidValue);
} }
@ -2836,9 +2813,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
Some(ref mut data) => (data.get_array_type(), unsafe { data.as_mut_slice() }), Some(ref mut data) => (data.get_array_type(), unsafe { data.as_mut_slice() }),
}; };
if !self.validate_framebuffer_complete() { handle_potential_webgl_error!(self, self.validate_framebuffer(), return);
return;
}
match array_type { match array_type {
Type::Uint8 => (), Type::Uint8 => (),