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Fix the triangle in the examples

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This commit is contained in:
Pierre Krieger 2015-08-30 18:48:26 +02:00
parent 9d6d2412c7
commit 326ea3555b
2 changed files with 13 additions and 8 deletions
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2
build.rs
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@ -176,5 +176,5 @@ fn main() {
gl_generator::registry::Ns::Gles2,
gl_generator::Fallbacks::All,
khronos_api::GL_XML, vec![],
"2.0", "core", &mut file).unwrap();
"3.0", "core", &mut file).unwrap();
}

19
examples/support/mod.rs
View file

@ -46,9 +46,12 @@ pub fn load(window: &glutin::Window) -> Context {
(VERTEX_DATA.len() * mem::size_of::<f32>()) as gl::types::GLsizeiptr,
VERTEX_DATA.as_ptr() as *const _, gl::STATIC_DRAW);
/*let mut vao = mem::uninitialized();
gl.GenVertexArrays(1, &mut vao);
gl.BindVertexArray(vao);*/
if gl.BindVertexArray.is_loaded() {
let mut vao = mem::uninitialized();
gl.GenVertexArrays(1, &mut vao);
gl.BindVertexArray(vao);
}
let pos_attrib = gl.GetAttribLocation(program, b"position\0".as_ptr() as *const _);
let color_attrib = gl.GetAttribLocation(program, b"color\0".as_ptr() as *const _);
gl.VertexAttribPointer(pos_attrib as gl::types::GLuint, 2, gl::FLOAT, 0,
@ -85,11 +88,12 @@ static VERTEX_DATA: [f32; 15] = [
const VS_SRC: &'static [u8] = b"
#version 100
precision mediump float;
lowp attribute vec2 position;
lowp attribute vec3 color;
attribute vec2 position;
attribute vec3 color;
lowp varying vec3 v_color;
varying vec3 v_color;
void main() {
gl_Position = vec4(position, 0.0, 1.0);
@ -99,8 +103,9 @@ void main() {
const FS_SRC: &'static [u8] = b"
#version 100
precision mediump float;
lowp varying vec3 v_color;
varying vec3 v_color;
void main() {
gl_FragColor = vec4(v_color, 1.0);