Store active attribs in DOM and optimise active attributes APIs

This commit is contained in:
Anthony Ramine 2018-07-04 21:39:15 +02:00
parent 0e2e834d18
commit fc593c68c5
6 changed files with 166 additions and 125 deletions

View file

@ -4,7 +4,7 @@
use byteorder::{NativeEndian, ReadBytesExt, WriteBytesExt};
use canvas_traits::canvas::{byte_swap, multiply_u8_pixel};
use canvas_traits::webgl::{DOMToTextureCommand, Parameter, ProgramParameter};
use canvas_traits::webgl::{DOMToTextureCommand, Parameter};
use canvas_traits::webgl::{ShaderParameter, TexParameter, WebGLCommand};
use canvas_traits::webgl::{WebGLContextShareMode, WebGLError};
use canvas_traits::webgl::{WebGLFramebufferBindingRequest, WebGLMsg, WebGLMsgSender};
@ -2314,18 +2314,12 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
fn GetActiveAttrib(&self, program: &WebGLProgram, index: u32) -> Option<DomRoot<WebGLActiveInfo>> {
match program.get_active_attrib(index) {
Ok(ret) => Some(ret),
Err(e) => {
self.webgl_error(e);
return None;
}
}
handle_potential_webgl_error!(self, program.get_active_attrib(index), None)
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
fn GetAttribLocation(&self, program: &WebGLProgram, name: DOMString) -> i32 {
handle_potential_webgl_error!(self, program.get_attrib_location(name), None).unwrap_or(-1)
handle_potential_webgl_error!(self, program.get_attrib_location(name), -1)
}
#[allow(unsafe_code)]
@ -2497,17 +2491,32 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
#[allow(unsafe_code)]
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
unsafe fn GetProgramParameter(&self, _: *mut JSContext, program: &WebGLProgram, param: u32) -> JSVal {
match handle_potential_webgl_error!(self, ProgramParameter::from_u32(param), return NullValue()) {
ProgramParameter::Bool(param) => {
// FIXME(nox): INVALID_OPERATION if program comes from a different context.
match param {
constants::DELETE_STATUS => BooleanValue(program.is_deleted()),
constants::LINK_STATUS => BooleanValue(program.is_linked()),
constants::VALIDATE_STATUS => {
// FIXME(nox): This could be cached on the DOM side when we call validateProgram
// but I'm not sure when the value should be reset.
let (sender, receiver) = webgl_channel().unwrap();
self.send_command(WebGLCommand::GetProgramParameterBool(program.id(), param, sender));
self.send_command(WebGLCommand::GetProgramValidateStatus(program.id(), sender));
BooleanValue(receiver.recv().unwrap())
}
ProgramParameter::Int(param) => {
constants::ATTACHED_SHADERS => {
// FIXME(nox): This allocates a vector and roots a couple of shaders for nothing.
Int32Value(program.attached_shaders().map(|shaders| shaders.len() as i32).unwrap_or(0))
}
constants::ACTIVE_ATTRIBUTES => Int32Value(program.active_attribs().len() as i32),
constants::ACTIVE_UNIFORMS => {
// FIXME(nox): We'll need to cache that on the DOM side at some point.
let (sender, receiver) = webgl_channel().unwrap();
self.send_command(WebGLCommand::GetProgramParameterInt(program.id(), param, sender));
self.send_command(WebGLCommand::GetProgramActiveUniforms(program.id(), sender));
Int32Value(receiver.recv().unwrap())
}
_ => {
self.webgl_error(InvalidEnum);
NullValue()
}
}
}