From 9a2c78c4059d2be37d10adda397fb6e64f38ac02 Mon Sep 17 00:00:00 2001
From: Dispersia <dispersias@gmail.com>
Date: Sun, 11 Apr 2021 18:55:57 -0700
Subject: Upgrade wgpu
---
wgpu/src/shader/image.wgsl | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 wgpu/src/shader/image.wgsl
(limited to 'wgpu/src/shader/image.wgsl')
diff --git a/wgpu/src/shader/image.wgsl b/wgpu/src/shader/image.wgsl
new file mode 100644
index 00000000..c623247e
--- /dev/null
+++ b/wgpu/src/shader/image.wgsl
@@ -0,0 +1,45 @@
+[[block]]
+struct Globals {
+ transform: mat4x4<f32>;
+};
+
+[[group(0), binding(0)]] var<uniform> globals: Globals;
+[[group(0), binding(1)]] var u_sampler: sampler;
+[[group(0), binding(2)]] var u_texture: texture2d<f32>;
+
+struct VertexInput {
+ [[location(0)]] v_pos: vec2<f32>;
+ [[location(1)]] pos: vec2<f32>;
+ [[location(2)]] scale: vec2<f32>;
+ [[location(3)]] atlas_pos: vec2<f32>;
+ [[location(4)]] atlas_scale: vec2<f32>;
+ [[location(5)]] layer: u32;
+};
+
+struct VertexOutput {
+ [[builtin(position)]] position: vec4<f32>;
+ [[location(0)]] uv: vec3<f32>;
+};
+
+[[stage(vertex)]]
+fn vs_main(input: VertexInput) -> VertexOutput {
+ var out: VertexOutput;
+
+ out.uv = vec3<f32>(input.v_pos * input.atlas_scale + input.atlas_pos, input.layer);
+
+ var transform: mat4x4<f32> = mat4x4<f32>(
+ vec4<f32>(input.scale.x, 0.0, 0.0, 0.0),
+ vec4<f32>(0.0, scale.y, 0.0, 0.0),
+ vec4<f32>(0.0, 0.0, 1.0, 0.0),
+ vec4<f32>(input.pos, 0.0, 1.0)
+ );
+
+ out.position = globals.transform * transform * vec4<f32>(input.v_pos, 0.0, 1.0);
+
+ return out;
+}
+
+[[stage(fragment)]]
+fn fs_main(input: VertexOutput) -> [[location(0)]] vec4<f32> {
+ return textureSample(u_texture, u_sampler, input.uv);
+}
--
cgit