Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-07-22 14:53:49 +01:00
Code Issues Projects Releases Packages Wiki Activity

Add initial support for VertexAttribI4*, VertexAttribIPointer

Browse source 
Adds initial support for the WebGL2 `VertexAttribI4i`, `VertexAttribI4iv`, `VertexAttribI4ui`, `VertexAttribI4uiv` and `VertexAttribIPointer` calls.
This commit is contained in:
Istvan 2020-03-27 15:56:19 +01:00 • committed by Josh Matthews
parent 5a26190fc9
commit 62f00df79d
17 changed files with 290 additions and 53 deletions
Download patch file Download diff file Expand all files Collapse all files

22
components/script/dom/vertexarrayobject.rs
View file

@ -3,12 +3,13 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::cell::{ref_filter_map, DomRefCell, Ref};
use crate::dom::bindings::codegen::Bindings::WebGL2RenderingContextBinding::WebGL2RenderingContextConstants as constants2;
use crate::dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
use crate::dom::bindings::root::{Dom, MutNullableDom};
use crate::dom::webglbuffer::WebGLBuffer;
use crate::dom::webglrenderingcontext::WebGLRenderingContext;
use canvas_traits::webgl::{
ActiveAttribInfo, WebGLCommand, WebGLError, WebGLResult, WebGLVertexArrayId,
ActiveAttribInfo, WebGLCommand, WebGLError, WebGLResult, WebGLVersion, WebGLVertexArrayId,
};
use std::cell::Cell;
@ -85,6 +86,10 @@ impl VertexArrayObject {
})
}
pub fn set_vertex_attrib_type(&self, index: u32, type_: u32) {
self.vertex_attribs.borrow_mut()[index as usize].type_ = type_;
}
pub fn vertex_attrib_pointer(
&self,
index: u32,
@ -108,12 +113,27 @@ impl VertexArrayObject {
if stride < 0 || stride > 255 || offset < 0 {
return Err(WebGLError::InvalidValue);
}
let is_webgl2 = match self.context.webgl_version() {
WebGLVersion::WebGL2 => true,
_ => false,
};
let bytes_per_component: i32 = match type_ {
constants::BYTE | constants::UNSIGNED_BYTE => 1,
constants::SHORT | constants::UNSIGNED_SHORT => 2,
constants::FLOAT => 4,
constants::INT | constants::UNSIGNED_INT if is_webgl2 => 4,
constants2::HALF_FLOAT if is_webgl2 => 2,
sparkle::gl::FIXED if is_webgl2 => 4,
constants2::INT_2_10_10_10_REV | constants2::UNSIGNED_INT_2_10_10_10_REV
if is_webgl2 && size == 4 =>
{
4
},
_ => return Err(WebGLError::InvalidEnum),
};
if offset % bytes_per_component as i64 > 0 || stride % bytes_per_component > 0 {
return Err(WebGLError::InvalidOperation);
}