implement texture mip levels

2 files changed, 23 insertions, 1 deletions

diff --git a/client/src/shaders/fragment_pbr.wgsl b/client/src/shaders/fragment_pbr.wgsl
index d1d2b1d..2908d6f 100644
--- a/client/src/shaders/fragment_pbr.wgsl
+++ b/client/src/shaders/fragment_pbr.wgsl
@@ -44,7 +44,7 @@ fn main(vo: VertexOut) -> @location(0) vec4<f32> {
     let normal = tangent_basis * (t_normal.rgb * 2. - 1.);
 
     let alpha = t_albedo.a;
-    let lighting = mix(1., saturate(dot(LIGHT, normal)), 1.);
+    let lighting = mix(1., saturate(dot(LIGHT, normal)), 0.9);
 
     let color = t_albedo.rgb * lighting;
 
diff --git a/client/src/shaders/texture_copy.wgsl b/client/src/shaders/texture_copy.wgsl
new file mode 100644
index 0000000..ff58f87
--- /dev/null
+++ b/client/src/shaders/texture_copy.wgsl
@@ -0,0 +1,22 @@
+struct VertexOut {
+    @builtin(position) clip: vec4<f32>,
+    @location(0) texcoord: vec2<f32>,
+};
+
+@group(0) @binding(0) var texture: texture_2d<f32>;
+@group(0) @binding(1) var texture_sampler: sampler;
+
+@vertex
+fn vs_main(@builtin(vertex_index) vertex_index: u32) -> VertexOut {
+    let x = i32(vertex_index) / 2;
+    let y = i32(vertex_index) & 1;
+    return VertexOut(
+        vec4<f32>(f32(x) * 4.0 - 1.0, 1.0 - f32(y) * 4.0, 0.0, 1.0),
+        vec2<f32>(f32(x) * 2.0, f32(y) * 2.0)
+    );
+}
+
+@fragment
+fn fs_main(vertex: VertexOut) -> @location(0) vec4<f32> {
+    return textureSample(texture, texture_sampler, vertex.texcoord);
+}