265 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			GLSL
		
	
	
	
	
	
			
		
		
	
	
			265 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			GLSL
		
	
	
	
	
	
| #version 450
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| 
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| #extension GL_ARB_gpu_shader_int64: enable
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| 
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| layout(binding = 0) uniform Uniforms
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| {
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|     uint index;
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| };
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| 
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| layout(std140, binding = 1) uniform Block
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| {
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|     i64vec3  i64v;
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|     uint64_t u64;
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| } block;
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| 
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| void main()
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| {
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| }
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| 
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| void literal()
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| {
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|     const int64_t i64Const[3] =
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|     {
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|         -0x1111111111111111l,   // Hex
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|         -1l,                    // Dec
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|         040000000000l,          // Oct
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|     };
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| 
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|     int64_t i64 = i64Const[index];
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| 
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|     const uint64_t u64Const[] =
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|     {
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|         0xFFFFFFFFFFFFFFFFul,   // Hex
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|         4294967296UL,           // Dec
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|         077777777777ul,         // Oct
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|     };
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| 
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|     uint64_t u64 = u64Const[index];
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| }
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| 
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| void typeCast()
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| {
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|     bvec2 bv;
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|     ivec2 iv;
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|     uvec2 uv;
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|     vec2  fv;
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|     dvec2 dv;
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| 
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|     i64vec2 i64v;
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|     u64vec2 u64v;
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| 
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|     i64v = i64vec2(bv);   // bool -> int64
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|     u64v = u64vec2(bv);   // bool -> uint64
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| 
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|     i64v = iv;            // int   -> int64
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|     iv = ivec2(i64v);     // int64 -> int
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| 
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|     u64v = uv;            // uint   -> uint64
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|     uv = uvec2(u64v);     // uint64 -> uint
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| 
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|     fv = vec2(i64v);      // int64 -> float
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|     dv = i64v;            // int64 -> double
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| 
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|     fv = vec2(u64v);      // uint64 -> float
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|     dv = u64v;            // uint64 -> double
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| 
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|     i64v = i64vec2(fv);   // float  -> int64
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|     i64v = i64vec2(dv);   // double -> int64
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| 
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|     u64v = u64vec2(fv);   // float  -> uint64
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|     u64v = u64vec2(dv);   // double -> uint64
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| 
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|     bv = bvec2(i64v);     // int64  -> bool
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|     bv = bvec2(u64v);     // uint64 -> bool
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| 
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|     u64v = i64v;          // int64  -> uint64
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|     i64v = i64vec2(u64v); // uint64 -> int64
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| 
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|     uv = uvec2(i64v);     // int64 -> uint
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|     i64v = i64vec2(uv);   // uint -> int64
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|     iv = ivec2(u64v);     // uint64 -> int
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|     u64v = iv;            // int -> uint64
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| }
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| 
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| void operators()
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| {
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|     u64vec3 u64v;
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|     int64_t i64;
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|     uvec3   uv;
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|     int     i;
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|     bool    b;
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| 
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|     // Unary
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|     u64v++;
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|     i64--;
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|     ++i64;
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|     --u64v;
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| 
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|     u64v = ~u64v;
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| 
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|     i64 = +i64;
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|     u64v = -u64v;
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| 
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|     // Arithmetic
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|     i64  += i64;
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|     u64v -= u64v;
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|     i64  *= i;
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|     u64v /= uv;
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|     u64v %= i;
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| 
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|     u64v = u64v + uv;
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|     i64  = i64 - i;
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|     u64v = u64v * uv;
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|     i64  = i64 * i;
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|     i64  = i64 % i;
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| 
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|     // Shift
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|     u64v <<= i;
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|     i64  >>= uv.y;
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| 
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|     i64  = i64 << u64v.z;
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|     u64v = u64v << i64;
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| 
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|     // Relational
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|     b = (u64v.x != i64);
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|     b = (i64 == u64v.x);
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|     b = (u64v.x > uv.y);
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|     b = (i64 < i);
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|     b = (u64v.y >= uv.x);
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|     b = (i64 <= i);
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| 
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|     // Bitwise
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|     u64v |= i;
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|     i64  = i64 | i;
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|     i64  &= i;
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|     u64v = u64v & uv;
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|     u64v ^= i64;
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|     u64v = u64v ^ i64;
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| }
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| 
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| void builtinFuncs()
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| {
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|     i64vec2  i64v;
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|     u64vec3  u64v;
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|     dvec3    dv;
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|     bvec3    bv;
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| 
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|     int64_t  i64;
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|     uint64_t u64;
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| 
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|     // abs()
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|     i64v = abs(i64v);
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| 
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|     // sign()
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|     i64  = sign(i64);
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| 
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|     // min()
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|     i64v = min(i64v, i64);
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|     i64v = min(i64v, i64vec2(-1));
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|     u64v = min(u64v, u64);
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|     u64v = min(u64v, u64vec3(0));
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| 
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|     // max()
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|     i64v = max(i64v, i64);
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|     i64v = max(i64v, i64vec2(-1));
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|     u64v = max(u64v, u64);
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|     u64v = max(u64v, u64vec3(0));
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| 
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|     // clamp()
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|     i64v = clamp(i64v, -i64, i64);
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|     i64v = clamp(i64v, -i64v, i64v);
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|     u64v = clamp(u64v, -u64, u64);
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|     u64v = clamp(u64v, -u64v, u64v);
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| 
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|     // mix()
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|     i64  = mix(i64v.x, i64v.y, true);
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|     i64v = mix(i64vec2(i64), i64vec2(-i64), bvec2(false));
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|     u64  = mix(u64v.x, u64v.y, true);
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|     u64v = mix(u64vec3(u64), u64vec3(-u64), bvec3(false));
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| 
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|     // doubleBitsToInt64()
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|     i64v = doubleBitsToInt64(dv.xy);
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| 
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|     // doubleBitsToUint64()
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|     u64v.x = doubleBitsToUint64(dv.z);
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| 
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|     // int64BitsToDouble()
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|     dv.xy = int64BitsToDouble(i64v);
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| 
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|     // uint64BitsToDouble()
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|     dv = uint64BitsToDouble(u64v);
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| 
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|     // packInt2x32()
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|     i64 = packInt2x32(ivec2(1, 2));
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| 
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|     // unpackInt2x32()
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|     ivec2 iv = unpackInt2x32(i64);
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| 
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|     // packUint2x32()
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|     u64 = packUint2x32(uvec2(2, 3));
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| 
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|     // unpackUint2x32()
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|     uvec2 uv = unpackUint2x32(u64);
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| 
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|     // lessThan()
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|     bv    = lessThan(u64v, u64vec3(u64));
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|     bv.xy = lessThan(i64v, i64vec2(i64));
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| 
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|     // lessThanEqual()
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|     bv    = lessThanEqual(u64v, u64vec3(u64));
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|     bv.xy = lessThanEqual(i64v, i64vec2(i64));
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| 
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|     // greaterThan()
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|     bv    = greaterThan(u64v, u64vec3(u64));
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|     bv.xy = greaterThan(i64v, i64vec2(i64));
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| 
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|     // greaterThanEqual()
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|     bv    = greaterThanEqual(u64v, u64vec3(u64));
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|     bv.xy = greaterThanEqual(i64v, i64vec2(i64));
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| 
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|     // equal()
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|     bv    = equal(u64v, u64vec3(u64));
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|     bv.xy = equal(i64v, i64vec2(i64));
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| 
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|     // notEqual()
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|     bv    = notEqual(u64v, u64vec3(u64));
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|     bv.xy = notEqual(i64v, i64vec2(i64));
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| }
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| 
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| // Type conversion for specialization constant
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| layout(constant_id = 100) const int64_t  si64 = -10L;
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| layout(constant_id = 101) const uint64_t su64 = 20UL;
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| layout(constant_id = 102) const int  si = -5;
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| layout(constant_id = 103) const uint su = 4;
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| layout(constant_id = 104) const bool sb = true;
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| 
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| // bool <-> int64/uint64
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| const bool i64_to_b = bool(si64);
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| const bool u64_to_b = bool(su64);
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| const int64_t  b_to_i64 = int64_t(sb);
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| const uint64_t b_to_u64 = uint64_t(sb);
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| 
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| // int <-> int64
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| const int     i64_to_i = int(si64);
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| const int64_t i_to_i64 = int64_t(si);
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| 
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| // uint <-> uint64
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| const uint     u64_to_u = uint(su64);
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| const uint64_t u_to_u64 = uint64_t(su);
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| 
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| // int64 <-> uint64
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| const int64_t  u64_to_i64 = int64_t(su64);
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| const uint64_t i64_to_u64 = uint64_t(si64);
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| 
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| // int <-> uint64
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| const int      u64_to_i = int(su64);
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| const uint64_t i_to_u64 = uint64_t(si);
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| 
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| // uint <-> int64
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| const uint    i64_to_u = uint(si64);
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| const int64_t u_to_i64 = int64_t(su);
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| 
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| #define UINT64_MAX  18446744073709551615ul
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| uint64_t u64Max = UINT64_MAX;
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