Metal fixes

Shaders/compositor_pass/compositor_pass.vert.glsl

@@ -18,7 +18,7 @@ void main() {
 	// Scale vertex attribute to [0-1] range
 	const vec2 madd = vec2(0.5, 0.5);
 	texCoord = pos.xy * madd + madd;
-	#ifdef HLSL
+	#ifdef _InvY
 	texCoord.y = 1.0 - texCoord.y;
 	#endif
 
@@ -26,7 +26,7 @@ void main() {
 
 // #ifdef _CPos
 	// NDC (at the back of cube)
-	// vec4 v = vec4(pos.xy, 1.0, 1.0);	
+	// vec4 v = vec4(pos.xy, 1.0, 1.0);
 	// v = vec4(invVP * v);
 	// v.xyz /= v.w;
 	// viewRay = v.xyz - eye;

Shaders/include/pass.vert.glsl

@@ -10,7 +10,7 @@ void main() {
 	// Scale vertex attribute to 0-1 range
 	const vec2 madd = vec2(0.5, 0.5);
 	texCoord = pos.xy * madd + madd;
-	#ifdef HLSL
+	#ifdef _InvY
 	texCoord.y = 1.0 - texCoord.y;
 	#endif
 

blender/arm/write_data.py

@@ -452,6 +452,12 @@ def write_compiledglsl(defs, make_variants):
             if make_variants and d.endswith('var'):
                 continue # Write a shader variant instead
             f.write("#define " + d + "\n")
+
+        f.write("""#if defined(HLSL) || defined(METAL)
+#define _InvY
+#endif
+""")
+
         f.write("""const float PI = 3.1415926535;
 const float PI2 = PI * 2.0;
 const vec2 shadowmapSize = vec2(""" + str(shadowmap_size) + """, """ + str(shadowmap_size) + """);