Vulkan fixes

base/shaders/bloom_downsample_pass.kong

@@ -60,7 +60,7 @@ fun bloom_downsample_pass_frag(input: vert_out): float4 {
 
 		contribution_factor /= max(epsilon, brightness);
 
-		color.rgb *= contribution_factor;
+		color.rgb = color.rgb * contribution_factor;
 	}
 
 	color.a = 1.0;

base/shaders/deferred_light.kong

@@ -59,7 +59,7 @@ fun deferred_light_vert(input: vert_in): vert_out {
 	// NDC (at the back of cube)
 	var v: float4 = float4(input.pos.xy, 1.0, 1.0);
 	v = constants.invVP * v;
-	v.xyz /= v.w;
+	v.xyz = v.xyz / v.w;
 	output.view_ray = v.xyz - constants.eye;
 
 	return output;
@@ -174,10 +174,15 @@ fun deferred_light_frag(input: vert_out): float4 {
 	var n: float3;
 	n.z = 1.0 - abs(g0.x) - abs(g0.y);
 	if (n.z >= 0.0) {
-		n.xy = g0.xy;
+		//n.xy = g0.xy;
+		n.x = g0.x;
+		n.y = g0.y;
 	}
 	else {
-		n.xy = octahedron_wrap(g0.xy);
+		//n.xy = octahedron_wrap(g0.xy);
+		var f2: float2 = octahedron_wrap(g0.xy);
+		n.x = f2.x;
+		n.y = f2.y;
 	}
 	n = normalize(n);
 
@@ -222,7 +227,7 @@ fun deferred_light_frag(input: vert_out): float4 {
 
 	//envl.rgb += prefiltered_color * (f0 * env_brdf.x + env_brdf.y) * 1.5;
 	envl.rgb = envl.rgb + (prefiltered_color * (f0 * env_brdf.x + env_brdf.y) * 1.5);
-	envl.rgb *= constants.envmap_data.w * occ;
+	envl.rgb = envl.rgb * constants.envmap_data.w * occ;
 
 	var color: float4;
 	color.rgb = envl.rgb;

base/shaders/histogram_pass.kong

@@ -37,7 +37,7 @@ fun histogram_pass_frag(input: vert_out): float4 {
 				sample_lod(tex, sampler_linear, float2(0.8, 0.2), 0.0).rgb +
 				sample_lod(tex, sampler_linear, float2(0.2, 0.8), 0.0).rgb +
 				sample_lod(tex, sampler_linear, float2(0.8, 0.8), 0.0).rgb;
-	color.rgb /= 5.0;
+	color.rgb = color.rgb / 5.0;
 	return color;
 }
 

base/shaders/ssao_pass.kong

@@ -46,7 +46,7 @@ fun ssao_pass_vert(input: vert_in): vert_out {
 
 fun get_projected_coord(hit_coord: float3): float2 {
 	var projected_coord: float4 = constants.P * float4(hit_coord, 1.0);
-	projected_coord.xy /= projected_coord.w;
+	projected_coord.xy = projected_coord.xy / projected_coord.w;
 	projected_coord.xy = projected_coord.xy * 0.5 + 0.5;
 	projected_coord.y = 1.0 - projected_coord.y;
 	return projected_coord.xy;
@@ -130,10 +130,15 @@ fun ssao_pass_frag(input: vert_out): float {
 	var n: float3;
 	n.z = 1.0 - abs(enc.x) - abs(enc.y);
 	if (n.z >= 0.0) {
-		n.xy = enc.xy;
+		//n.xy = enc.xy;
+		n.x = enc.x;
+		n.y = enc.y;
 	}
 	else {
-		n.xy = octahedron_wrap(enc.xy);
+		//n.xy = octahedron_wrap(enc.xy);
+		var f2: float2 = octahedron_wrap(enc.xy);
+		n.x = f2.x;
+		n.y = f2.y;
 	}
 	n = normalize(constants.V3 * n);