.

data/batcher.glsl

@@ -0,0 +1,67 @@
+@ctype vec2 vec2
+@ctype vec4 vec4
+
+@vs vs
+layout(binding=0) uniform render_data {
+    vec2 one_over_window_size;
+    float zoom;
+};
+
+in vec4 quad;
+in vec4 tex_quad;
+in vec4 colour;
+
+out vec2 uv;
+out vec4 fs_colour;
+
+const int indices[6] = {
+    0, 1, 2, 2, 3, 0,
+};
+
+const vec3 positions[4] = {
+    vec3(0, 0, 0),
+    vec3(0, 1, 0),
+    vec3(1, 1, 0),
+    vec3(1, 0, 0),
+};
+
+const vec2 uvs[4] = {
+    vec2(0.0f, 0.0f), 
+    vec2(0.0f, 1.0f),
+    vec2(1.0f, 1.0f), 
+    vec2(1.0f, 0.0f), 
+};
+
+void main() {
+    int vtx = indices[gl_VertexIndex];
+    vec3 pos = positions[vtx];
+    uv = uvs[vtx];
+
+    pos.xy = ((pos.xy * quad.zw) + quad.xy) * zoom;
+    pos.xy = (pos.xy * one_over_window_size) * 2.0 - 1.0;
+    pos.y = -pos.y;
+
+    uv *= tex_quad.zw;
+    uv += tex_quad.xy;
+
+    gl_Position = vec4(pos, 1);
+    fs_colour = colour;
+}
+@end
+
+@fs fs
+layout(binding=0) uniform texture2D tex;
+layout(binding=0) uniform sampler smp;
+in vec2 uv;
+in vec4 fs_colour;
+
+out vec4 frag_colour;
+
+void main() {
+    vec4 c = texture(sampler2D(tex, smp), uv) * fs_colour;
+    if (c.a < 1) discard;
+    frag_colour = c;
+}
+@end
+
+@program batcher vs fs

data/obj.glsl

@@ -1,5 +1,5 @@
-@ctype mat4 HMM_Mat4
-@ctype vec3 HMM_Vec3
+@ctype mat4 mat4
+@ctype vec3 vec3
 
 @vs vs
 layout(binding=0) uniform vs_params {

data/triangle.glsl

@@ -1,22 +0,0 @@
-@vs vs
-in vec4 position;
-in vec4 color0;
-
-out vec4 color;
-
-void main() {
-    gl_Position = position;
-    color = color0;
-}
-@end
-
-@fs fs
-in vec4 color;
-out vec4 frag_color;
-
-void main() {
-    frag_color = color;
-}
-@end
-
-@program triangle vs fs