1 files changed, 13 insertions, 0 deletions
diff --git a/src/shaders/common.h b/src/shaders/common.h
index 2779c7b..8b74bec 100644
--- a/src/shaders/common.h
+++ b/src/shaders/common.h
@@ -13,4 +13,17 @@ Vec3 normal_from_color(Color32 c32);
 Mat4 mat4(Vec4* c1, Vec4* c2, Vec4* c3, Vec4* c4);
 Mat3 mat3(Vec3* c1, Vec3* c2, Vec3* c3);
 
+Vec2 texsize(Texture* texture);
+
+#define discardif(cond) \
+do{ \
+if(cond) return 0; \
+}while(0)
+
+#define MVP_PROCESS \
+do{																										 \
+static Vec4 p; p.xyz = in->vertex->position; p.w = 1;	 \
+mat4_mulvec4(uniforms->mvp, &p, clipcoord);						 \
+}while(0)																							 
+
 #endif
 \ No newline at end of file