Basic map rendering

1 files changed, 34 insertions, 0 deletions

diff --git a/assets/shaders/map.wgsl b/assets/shaders/map.wgsl
new file mode 100644
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);
+}