feat: add UVs to shader pipeline

src/shaders/triangle_frag.glsl

@@ -3,6 +3,7 @@
 // Per-fragment - mesh dependent information.
 layout(location = 0) in vec3 inFragPosition;
 layout(location = 1) in vec3 inNormal;
+layout(location = 2) in vec3 inUv;
 
 // Per-frame information - CameraUniform struct
 layout(set = 0, binding = 0) uniform CameraUniform {

src/shaders/triangle_vert.glsl

@@ -3,12 +3,13 @@
 // Per-vertex information - Vertex3 struct
 layout(location = 0) in vec3 position;
 layout(location = 1) in vec3 normal;
+layout(location = 2) in vec3 uv;
 
 // Per-instance information - GpuInstance struct
-layout(location = 2) in vec4 transform_col1;
-layout(location = 3) in vec4 transform_col2;
-layout(location = 4) in vec4 transform_col3;
-layout(location = 5) in vec4 transform_col4;
+layout(location = 3) in vec4 transform_col1;
+layout(location = 4) in vec4 transform_col2;
+layout(location = 5) in vec4 transform_col3;
+layout(location = 6) in vec4 transform_col4;
 
 // Per-frame information - CameraUniform struct
 layout(set = 0, binding = 0) uniform CameraUniform {
@@ -21,6 +22,7 @@ layout(set = 0, binding = 0) uniform CameraUniform {
 // Outputs
 layout(location = 0) out vec3 outFragPosition;
 layout(location = 1) out vec3 outNormal;
+layout(location = 2) out vec3 outUv;
 
 void main() {
     // We then multiply each vertex by its transform to find the correct location in the scene.
@@ -31,4 +33,5 @@ void main() {
     gl_Position = mvp * vec4(position, 1.0f);
     outFragPosition = vec3(model * vec4(position, 1.0));
     outNormal = normal;
+    outUv = uv;
 }