testing

shaders/transform.glsl

@@ -1,3 +1,4 @@
+@ctype vec2 HMM_Vec2
 @ctype mat4 HMM_Mat4
 @vs vs
 in vec4 pos;
@@ -6,6 +7,7 @@ in vec2 texcoord0;
 
 uniform vs_params {
     mat4 mvp;
+    vec2 texture_scale;
 };
 
 out vec4 color;
@@ -14,7 +16,7 @@ out vec2 uv;
 void main() {
     gl_Position = mvp * pos;
     color = color0;
-    uv = texcoord0;
+    uv = texcoord0 * texture_scale;
 }
 @end
 

src/main.c

@@ -60,11 +60,11 @@ static void init(void) {
         .height = 2,
         .data.subimage[0][0] = SG_RANGE(pixels),
         .label = "triangle-texture",
-        .pixel_format = SG_PIXELFORMAT_BGRA8,
+        .pixel_format = SG_PIXELFORMAT_RGBA8,
     });
 
     bind->fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
-        .label = "triangle-sampler"
+        .label = "triangle-sampler",
     });
 
     sg_shader shd = sg_make_shader(transform_shader_desc(sg_query_backend()));
@@ -110,7 +110,8 @@ void frame(void) {
         HMM_Mat4 mvp = HMM_MulM4(view_proj, model);
 
         vs_params_t params = {
-            .mvp = mvp
+            .mvp = mvp,
+            .texture_scale = HMM_V2(1.0f, 1.0f),
         };
 
         sg_apply_bindings(state.bindings.data[i]);