Basic map rendering

[mt_client.git] / assets / shaders / map.wgsl

diff --git a/assets/shaders/map.wgsl b/assets/shaders/map.wgsl
new file mode 100644 (file)
index 0000000..f6919a9
--- /dev/null
+++ b/assets/shaders/map.wgsl
@@ -0,0 +1,34 @@
+// Vertex shader
+
+struct VertexInput {
+       @location(0) pos: vec3<f32>,
+       @location(1) tex_coords: vec2<f32>,
+}
+
+struct VertexOutput {
+       @builtin(position) pos: vec4<f32>,
+       @location(0) tex_coords: vec2<f32>,
+}
+
+@group(1) @binding(0) var<uniform> view_proj: mat4x4<f32>;
+@group(2) @binding(0) var<uniform> model: mat4x4<f32>;
+
+@vertex
+fn vs_main(
+       in: VertexInput,
+) -> VertexOutput {
+       var out: VertexOutput;
+       out.pos = view_proj * model * vec4<f32>(in.pos, 1.0);
+       out.tex_coords = in.tex_coords;
+       return out;
+}
+
+// Fragment shader
+
+@group(0) @binding(0) var atlas_texture: texture_2d<f32>;
+@group(0) @binding(1) var atlas_sampler: sampler;
+
+@fragment
+fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
+       return textureSample(atlas_texture, atlas_sampler, in.tex_coords);
+}