mirror of
https://github.com/KhronosGroup/glslang
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82b2668d58
Also enable 8/16 bit int capability in SPIR-V in such cases. Also enable 64 bit capabilities when used in operations. Fixes #2779
259 lines
6.0 KiB
GLSL
259 lines
6.0 KiB
GLSL
#version 450
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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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layout(binding = 0) uniform Uniforms
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{
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uint index;
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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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void main()
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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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int8_t i8 = i8Const[index];
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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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uint8_t u8 = u8Const[index];
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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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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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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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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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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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float arr[4] = {1.0, 2.0, 3.0, 4.0};
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float f;
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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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u8v = ~u8v;
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i8 = +i8;
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u8v = -u8v;
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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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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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// Shift
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u8v <<= i8;
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i8 >>= u8v.y;
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i8 = i8 << u8v.z;
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u8v = u8v << i8;
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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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// 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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// Index
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f = arr[i8];
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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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int8_t i8;
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uint8_t u8;
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// abs()
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i8v = abs(i8v);
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// sign()
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i8 = sign(i8);
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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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// 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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// 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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// 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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//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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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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// lessThan()
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bv = lessThan(u8v, u8vec3(u8));
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bv.xy = lessThan(i8v, i8vec2(i8));
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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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// greaterThan()
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bv = greaterThan(u8v, u8vec3(u8));
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bv.xy = greaterThan(i8v, i8vec2(i8));
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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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// equal()
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bv = equal(u8v, u8vec3(u8));
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bv.xy = equal(i8v, i8vec2(i8));
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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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// 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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