Something went wrong. Try again.
This repository has no description
Something went wrong. Try again.
1.5 kB · 41 lines
at main
123456789101112131415161718192021222324252627282930313233343536373839404142struct VertexOutput { @builtin(position) position: vec4<f32>, @location(0) tex_coords: vec2<f32>,};
@vertexfn vs_main( @builtin(vertex_index) in_vertex_index: u32,) -> VertexOutput { const vertex_outputs: array<VertexOutput, 3> = array( VertexOutput(vec4(-1.0, -1.0, 0.0, 1.0), vec2(0.0, 1.0)), // bot left corner VertexOutput(vec4( 3.0, -1.0, 0.0, 1.0), vec2(2.0, 1.0)), // bot right overshoot VertexOutput(vec4(-1.0, 3.0, 0.0, 1.0), vec2(0.0, -1.0)), // top left overshoot );
return vertex_outputs[in_vertex_index];}
@group(0) @binding(0) var texture: texture_2d<f32>;@group(0) @binding(1) var texture_sampler: sampler;@group(0) @binding(2) var colors: texture_1d<f32>;@group(0) @binding(3) var color_sampler: sampler;
@fragmentfn fs_main(in: VertexOutput) -> @location(0) vec4<f32> { // const colors: array<vec4<f32>, 4> = array( // vec4(0., 0.2, 0.7, 0.), // vec4(0.3, 0., 0.5, 0.), // vec4(0.4, 0.4, 0., 0.), // vec4(0.2, 0.2, 0.2, 0.), // ); let idx = textureSample(texture, texture_sampler, in.tex_coords)[0] * 16; return textureSample(colors, color_sampler, idx); //return textureSample(texture_diffuse, sampler_diffuse, in.tex_coords); // let idx = textureSample(texture_diffuse, sampler_diffuse, in.tex_coords);
// return vec4(idx[0], idx[0], idx[0], 0); // return colors[u32(idx[0])]; // return textureLoad(texture_diffuse, in.tex_coords, 0);}