53 lines
1.1 KiB
WebGPU Shading Language
53 lines
1.1 KiB
WebGPU Shading Language
struct Uniforms {
|
|
camera: vec2f,
|
|
zooms: vec2f
|
|
}
|
|
@group(0) @binding(0) var<uniform> uniforms : Uniforms;
|
|
|
|
struct VertexOutput {
|
|
@location(0) color: vec4f,
|
|
@location(1) effect: u32,
|
|
@builtin(position) pos: vec4f
|
|
}
|
|
|
|
@vertex
|
|
fn vs_main(
|
|
@location(0) pos: vec2f,
|
|
@location(1) color: vec4f,
|
|
@location(2) effect: u32
|
|
) -> VertexOutput {
|
|
var screen_pos: vec4f;
|
|
if (effect & 1) == 0 {
|
|
screen_pos = vec4f(pos, 0, 1);
|
|
} else {
|
|
screen_pos = vec4f((pos - uniforms.camera) * uniforms.zooms, 0, 1);
|
|
}
|
|
var out = VertexOutput(
|
|
color,
|
|
effect,
|
|
screen_pos
|
|
);
|
|
return out;
|
|
}
|
|
|
|
@group(1) @binding(0)
|
|
var t_diffuse: texture_2d<f32>;
|
|
@group(1) @binding(1)
|
|
var s_diffuse: sampler;
|
|
|
|
@fragment
|
|
fn fs_main(in: VertexOutput) -> @location(0) vec4f {
|
|
var color: vec4f;
|
|
if (in.effect & 4) == 0 {
|
|
color = in.color;
|
|
} else {
|
|
color = textureSample(t_diffuse, s_diffuse, in.color.xy);
|
|
}
|
|
// Grayscale
|
|
if (in.effect & 2) != 0 {
|
|
var v = (color.r*0.299) + (color.g*0.587) + (color.b*0.114);
|
|
color = vec4f(v, v, v, color.a);
|
|
}
|
|
return color;
|
|
}
|