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Draft triangle pipeline in iced_glow

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This commit is contained in:
Héctor Ramón Jiménez 2020-05-21 19:07:33 +02:00
parent d54f17c6aa
commit 60dcfc354e
6 changed files with 301 additions and 52 deletions
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41
glow/src/quad.rs
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@ -1,3 +1,4 @@
use crate::program;
use crate::Transformation;
use glow::HasContext;
use iced_graphics::layer;
@ -18,7 +19,7 @@ pub struct Pipeline {
impl Pipeline {
pub fn new(gl: &glow::Context) -> Pipeline {
let program = unsafe {
create_program(
program::create(
gl,
&[
(glow::VERTEX_SHADER, include_str!("shader/quad.vert")),
@ -138,44 +139,6 @@ impl Pipeline {
}
}
unsafe fn create_program(
gl: &glow::Context,
shader_sources: &[(u32, &str)],
) -> <glow::Context as HasContext>::Program {
let program = gl.create_program().expect("Cannot create program");
let mut shaders = Vec::with_capacity(shader_sources.len());
for (shader_type, shader_source) in shader_sources.iter() {
let shader = gl
.create_shader(*shader_type)
.expect("Cannot create shader");
gl.shader_source(shader, shader_source);
gl.compile_shader(shader);
if !gl.get_shader_compile_status(shader) {
panic!(gl.get_shader_info_log(shader));
}
gl.attach_shader(program, shader);
shaders.push(shader);
}
gl.link_program(program);
if !gl.get_program_link_status(program) {
panic!(gl.get_program_info_log(program));
}
for shader in shaders {
gl.detach_shader(program, shader);
gl.delete_shader(shader);
}
program
}
unsafe fn create_instance_buffer(
gl: &glow::Context,
size: usize,