move the decode functions to builtin/glsl/format/decode.glsl

Author: devshgraphicsprogramming

examples_tests/41.VisibilityBuffer/main.cpp

@@ -25,21 +25,7 @@ R"(
 
 layout(location = 4) flat out uint drawID; //TODO: override main
 
-vec4 nbl_glsl_decodeRGB10A2_UNORM(in uint x)
-{
-	const uvec4 shifted = uvec4(x,uvec3(x)>>uvec3(10,20,30));
-	const uvec4 rgbaMask = uvec4(uvec3(0x3ffu),0x3u);
-	return vec4(shifted&rgbaMask)/vec4(rgbaMask);
-}
-
-vec4 nbl_glsl_decodeRGB10A2_SNORM(in uint x)
-{
-    const ivec4 shifted = ivec4(x,uvec3(x)>>uvec3(10u,20u,30u));
-	const ivec4 rgbaBias = ivec4(ivec3(0x200u),0x2u);
-	const ivec4 halfMask = rgbaBias-ivec4(1);
-	const ivec4 signed = (-(shifted&rgbaBias))|(shifted&halfMask);
-    return max(vec4(signed)/vec4(halfMask),vec4(-1.0));
-}
+#include "nbl/builtin/glsl/format/decode.glsl"
 
 //pos
 layout(set = 0, binding = 0) uniform samplerBuffer MeshPackedDataFloat[2];

include/nbl/builtin/glsl/format/decode.glsl

@@ -44,12 +44,20 @@ vec3 nbl_glsl_decodeRGB18E7S3(in uvec2 x)
 	return v*scale;
 }
 
-vec4 nbl_glsl_decodeRGB10A2(in uint x)
+vec4 nbl_glsl_decodeRGB10A2_UNORM(in uint x)
 {
 	const uvec3 rgbMask = uvec3(0x3ffu);
 	const uvec4 shifted = uvec4(x,uvec3(x)>>uvec3(10,20,30));
 	return vec4(vec3(shifted.rgb&rgbMask),shifted.a)/vec4(vec3(rgbMask),3.0);
 }
+vec4 nbl_glsl_decodeRGB10A2_SNORM(in uint x)
+{
+	const ivec4 shifted = ivec4(x, uvec3(x) >> uvec3(10u, 20u, 30u));
+	const ivec4 rgbaBias = ivec4(ivec3(0x200u), 0x2u);
+	const ivec4 halfMask = rgbaBias - ivec4(1);
+	const ivec4 signed = (-(shifted & rgbaBias)) | (shifted & halfMask);
+	return max(vec4(signed) / vec4(halfMask), vec4(-1.0));
+}
 
 
 nbl_glsl_quaternion_t nbl_glsl_decode8888Quaternion(in uint x)