254 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			GLSL
		
	
	
	
	
	
			
		
		
	
	
			254 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			GLSL
		
	
	
	
	
	
| #version 450
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| 
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| #extension GL_EXT_shader_explicit_arithmetic_types: enable
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| #extension GL_EXT_shader_explicit_arithmetic_types_int8: require
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| #extension GL_EXT_shader_explicit_arithmetic_types_int16: require
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| #extension GL_EXT_shader_explicit_arithmetic_types_int32: require
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| #extension GL_EXT_shader_explicit_arithmetic_types_int64: require
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| #extension GL_EXT_shader_explicit_arithmetic_types_float16: require
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| #extension GL_EXT_shader_explicit_arithmetic_types_float32: require
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| #extension GL_EXT_shader_explicit_arithmetic_types_float64: require
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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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|     int8_t   i8;
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|     i8vec2   i8v2;
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|     i8vec3   i8v3;
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|     i8vec4   i8v4;
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|     uint8_t  u8;
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|     u8vec2   u8v2;
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|     u8vec3   u8v3;
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|     u8vec4   u8v4;
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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 int8_t i8Const[3] =
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|     {
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|         int8_t(-0x11),           // Hex
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|         int8_t(-1),              // Dec
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|         int8_t(0400),            // Oct
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|     };
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| 
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|     int8_t i8 = i8Const[index];
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| 
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|     const uint8_t u8Const[] =
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|     {
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|         uint8_t(0xFF),             // Hex
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|         uint8_t(255),              // Dec
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|         uint8_t(0177),             // Oct
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|     };
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| 
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|     uint8_t u8 = u8Const[index];
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| }
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| 
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| void typeCast8()
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| {
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|     i8vec2 i8v;
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|     u8vec2 u8v;
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|     i16vec2 i16v;
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|     u16vec2 u16v;
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|     i32vec2 i32v;
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|     u32vec2 u32v;
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|     i64vec2 i64v;
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|     u64vec2 u64v;
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|     f16vec2 f16v;
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|     f32vec2 f32v;
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|     f64vec2 f64v;
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|     bvec2   bv;
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| 
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|     u8v = i8v;      // int8_t  ->  uint8_t
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|     i16v = i8v;     // int8_t  ->   int16_t
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|     i16v = u8v;     // uint8_t ->   int16_t
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|     i32v = i8v;     // int8_t  ->   int32_t
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|     i32v = u8v;     // uint8_t ->   int32_t
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|     u32v = i8v;     // int8_t  ->  uint32_t
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|     i64v = i8v;     // int8_t  ->   int64_t
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|     u64v = i8v;     // int8_t  ->  uint64_t
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|     u32v = u8v;     // uint8_t ->  uint32_t
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|     i64v = u8v;     // uint8_t ->   int64_t
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|     u64v = u8v;     // uint8_t ->  uint64_t
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|     f16v = i8v;     // int8_t  ->  float16_t
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|     f32v = i8v;     // int8_t  ->  float32_t
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|     f64v = i8v;     // int8_t  ->  float64_t
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|     f16v = u8v;     // uint8_t ->  float16_t
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|     f32v = u8v;     // uint8_t ->  float32_t
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|     f64v = u8v;     // uint8_t ->  float64_t
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| 
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|     i8v =  i8vec2(u8v);       // uint8_t  ->   int8_t
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|     i16v = i16vec2(i8v);      // int8_t   ->   int16_t
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|     i16v = i16vec2(u8v);      // uint8_t  ->   int16_t
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|     i32v = i32vec2(i8v);      // int8_t   ->   int32_t
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|     i32v = i32vec2(u8v);      // uint8_t  ->   int32_t
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|     i64v = i64vec2(i8v);      // int8_t   ->   int64_t
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|     u64v = i64vec2(i8v);      // int8_t   ->  uint64_t
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|     u16v = u16vec2(i8v);      // int8_t   ->  uint16_t
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|     u16v = u16vec2(u8v);      // uint8_t  ->  uint16_t
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|     u32v = u32vec2(u8v);      // uint8_t  ->  uint32_t
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|     i64v = i64vec2(u8v);      // uint8_t  ->   int64_t
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|     u64v = i64vec2(u8v);      // uint8_t  ->  uint64_t
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|     f16v = f16vec2(i8v);      // int8_t   ->  float16_t
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|     f32v = f32vec2(i8v);      // int8_t   ->  float32_t
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|     f64v = f64vec2(i8v);      // int8_t   ->  float64_t
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|     f16v = f16vec2(u8v);      // uint8_t  ->  float16_t
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|     f32v = f32vec2(u8v);      // uint8_t  ->  float32_t
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|     f64v = f64vec2(u8v);      // uint8_t  ->  float64_t
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| 
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|     i8v = i8vec2(bv);       // bool     ->   int8
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|     u8v = u8vec2(bv);       // bool     ->   uint8
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|     bv  = bvec2(i8v);       // int8    ->   bool
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|     bv  = bvec2(u8v);       // uint8   ->   bool
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| }
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| 
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| void operators()
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| {
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|     u8vec3 u8v;
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|     int8_t i8;
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|     uvec3   uv;
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|     int32_t i;
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|     int16_t i16;
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|     bool    b;
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| 
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|     // Unary
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|     u8v++;
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|     i8--;
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|     ++i8;
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|     --u8v;
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| 
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|     u8v = ~u8v;
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| 
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|     i8 = +i8;
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|     u8v = -u8v;
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| 
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|     // Arithmetic
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|     i8  += i8;
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|     u8v -= u8v;
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|     i  *= i8;
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|     uv /= u8v;
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|     uv %= i8;
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| 
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|     uv = u8v + uv;
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|     i16  = i8 - i16;
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|     uv = u8v * uv;
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|     i16  = i8 * i16;
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|     i  = i8 % i;
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| 
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|     // Shift
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|     u8v <<= i8;
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|     i8  >>= u8v.y;
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| 
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|     i8  = i8 << u8v.z;
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|     u8v = u8v << i8;
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| 
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|     // Relational
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|     b = (u8v.x != i8);
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|     b = (i8 == u8v.x);
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|     b = (u8v.x > uv.y);
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|     b = (i8 < i);
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|     b = (u8v.y >= uv.x);
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|     b = (i8 <= i);
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| 
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|     // Bitwise
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|     uv |= i8;
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|     i  = i8 | i;
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|     i16  &= i8;
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|     uv = u8v & uv;
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|     uv ^= i8;
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|     u8v = u8v ^ i8;
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| }
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| 
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| void builtinFuncs()
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| {
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|     i8vec2  i8v;
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|     i8vec4  i8v4;
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|     u8vec3  u8v;
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|     u8vec2  u8v2;
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|     u8vec4  u8v4;
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|     bvec3   bv;
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|     int16_t i16;
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|     int32_t i32;
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|     uint16_t u16;
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|     uint32_t u32;
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| 
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|     int8_t  i8;
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|     uint8_t u8;
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| 
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|     // abs()
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|     i8v = abs(i8v);
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| 
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|     // sign()
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|     i8  = sign(i8);
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| 
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|     // min()
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|     i8v = min(i8v, i8);
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|     i8v = min(i8v, i8vec2(-1));
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|     u8v = min(u8v, u8);
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|     u8v = min(u8v, u8vec3(0));
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| 
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|     // max()
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|     i8v = max(i8v, i8);
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|     i8v = max(i8v, i8vec2(-1));
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|     u8v = max(u8v, u8);
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|     u8v = max(u8v, u8vec3(0));
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| 
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|     // clamp()
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|     i8v = clamp(i8v, -i8, i8);
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|     i8v = clamp(i8v, -i8v, i8v);
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|     u8v = clamp(u8v, -u8, u8);
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|     u8v = clamp(u8v, -u8v, u8v);
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| 
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|     // mix()
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|     i8  = mix(i8v.x, i8v.y, true);
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|     i8v = mix(i8vec2(i8), i8vec2(-i8), bvec2(false));
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|     u8  = mix(u8v.x, u8v.y, true);
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|     u8v = mix(u8vec3(u8), u8vec3(-u8), bvec3(false));
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| 
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|     //pack
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|     i16 = pack16(i8v);
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|     i32 = pack32(i8v4);
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|     u16 = pack16(u8v2);
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|     u32 = pack32(u8v4);
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| 
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|     i8v  = unpack8(i16);
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|     i8v4 = unpack8(i32);
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|     u8v2 = unpack8(u16);
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|     u8v4 = unpack8(u32);
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| 
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|     // lessThan()
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|     bv    = lessThan(u8v, u8vec3(u8));
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|     bv.xy = lessThan(i8v, i8vec2(i8));
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| 
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|     // lessThanEqual()
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|     bv    = lessThanEqual(u8v, u8vec3(u8));
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|     bv.xy = lessThanEqual(i8v, i8vec2(i8));
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| 
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|     // greaterThan()
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|     bv    = greaterThan(u8v, u8vec3(u8));
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|     bv.xy = greaterThan(i8v, i8vec2(i8));
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| 
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|     // greaterThanEqual()
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|     bv    = greaterThanEqual(u8v, u8vec3(u8));
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|     bv.xy = greaterThanEqual(i8v, i8vec2(i8));
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| 
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|     // equal()
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|     bv    = equal(u8v, u8vec3(u8));
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|     bv.xy = equal(i8v, i8vec2(i8));
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| 
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|     // notEqual()
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|     bv    = notEqual(u8v, u8vec3(u8));
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|     bv.xy = notEqual(i8v, i8vec2(i8));
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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 int8_t  si8 = int8_t(-10);
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| layout(constant_id = 101) const uint8_t su8 = uint8_t(20);
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