SPIRV-Cross/shaders-msl-no-opt/comp/subgroups.nocompat.invalid.vk.msl21.comp
2019-11-06 10:40:37 +01:00

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#version 450
#extension GL_KHR_shader_subgroup_basic : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_KHR_shader_subgroup_vote : require
#extension GL_KHR_shader_subgroup_shuffle : require
#extension GL_KHR_shader_subgroup_shuffle_relative : require
#extension GL_KHR_shader_subgroup_arithmetic : require
#extension GL_KHR_shader_subgroup_clustered : require
#extension GL_KHR_shader_subgroup_quad : require
layout(local_size_x = 1) in;
layout(std430, binding = 0) buffer SSBO
{
float FragColor;
};
void main()
{
// basic
FragColor = float(gl_NumSubgroups);
FragColor = float(gl_SubgroupID);
FragColor = float(gl_SubgroupSize);
FragColor = float(gl_SubgroupInvocationID);
subgroupBarrier();
subgroupMemoryBarrier();
subgroupMemoryBarrierBuffer();
subgroupMemoryBarrierShared();
subgroupMemoryBarrierImage();
bool elected = subgroupElect();
// ballot
FragColor = float(gl_SubgroupEqMask);
FragColor = float(gl_SubgroupGeMask);
FragColor = float(gl_SubgroupGtMask);
FragColor = float(gl_SubgroupLeMask);
FragColor = float(gl_SubgroupLtMask);
vec4 broadcasted = subgroupBroadcast(vec4(10.0), 8u);
vec3 first = subgroupBroadcastFirst(vec3(20.0));
uvec4 ballot_value = subgroupBallot(true);
bool inverse_ballot_value = subgroupInverseBallot(ballot_value);
bool bit_extracted = subgroupBallotBitExtract(uvec4(10u), 8u);
uint bit_count = subgroupBallotBitCount(ballot_value);
uint inclusive_bit_count = subgroupBallotInclusiveBitCount(ballot_value);
uint exclusive_bit_count = subgroupBallotExclusiveBitCount(ballot_value);
uint lsb = subgroupBallotFindLSB(ballot_value);
uint msb = subgroupBallotFindMSB(ballot_value);
// shuffle
uint shuffled = subgroupShuffle(10u, 8u);
uint shuffled_xor = subgroupShuffleXor(30u, 8u);
// shuffle relative
uint shuffled_up = subgroupShuffleUp(20u, 4u);
uint shuffled_down = subgroupShuffleDown(20u, 4u);
// vote
bool has_all = subgroupAll(true);
bool has_any = subgroupAny(true);
bool has_equal = subgroupAllEqual(0);
has_equal = subgroupAllEqual(true);
// arithmetic
vec4 added = subgroupAdd(vec4(20.0));
ivec4 iadded = subgroupAdd(ivec4(20));
vec4 multiplied = subgroupMul(vec4(20.0));
ivec4 imultiplied = subgroupMul(ivec4(20));
vec4 lo = subgroupMin(vec4(20.0));
vec4 hi = subgroupMax(vec4(20.0));
ivec4 slo = subgroupMin(ivec4(20));
ivec4 shi = subgroupMax(ivec4(20));
uvec4 ulo = subgroupMin(uvec4(20));
uvec4 uhi = subgroupMax(uvec4(20));
uvec4 anded = subgroupAnd(ballot_value);
uvec4 ored = subgroupOr(ballot_value);
uvec4 xored = subgroupXor(ballot_value);
added = subgroupInclusiveAdd(added);
iadded = subgroupInclusiveAdd(iadded);
multiplied = subgroupInclusiveMul(multiplied);
imultiplied = subgroupInclusiveMul(imultiplied);
//lo = subgroupInclusiveMin(lo); // FIXME: Unsupported by Metal
//hi = subgroupInclusiveMax(hi);
//slo = subgroupInclusiveMin(slo);
//shi = subgroupInclusiveMax(shi);
//ulo = subgroupInclusiveMin(ulo);
//uhi = subgroupInclusiveMax(uhi);
//anded = subgroupInclusiveAnd(anded);
//ored = subgroupInclusiveOr(ored);
//xored = subgroupInclusiveXor(ored);
//added = subgroupExclusiveAdd(lo);
added = subgroupExclusiveAdd(multiplied);
multiplied = subgroupExclusiveMul(multiplied);
iadded = subgroupExclusiveAdd(imultiplied);
imultiplied = subgroupExclusiveMul(imultiplied);
//lo = subgroupExclusiveMin(lo); // FIXME: Unsupported by Metal
//hi = subgroupExclusiveMax(hi);
//ulo = subgroupExclusiveMin(ulo);
//uhi = subgroupExclusiveMax(uhi);
//slo = subgroupExclusiveMin(slo);
//shi = subgroupExclusiveMax(shi);
//anded = subgroupExclusiveAnd(anded);
//ored = subgroupExclusiveOr(ored);
//xored = subgroupExclusiveXor(ored);
// clustered
added = subgroupClusteredAdd(added, 4u);
multiplied = subgroupClusteredMul(multiplied, 4u);
iadded = subgroupClusteredAdd(iadded, 4u);
imultiplied = subgroupClusteredMul(imultiplied, 4u);
lo = subgroupClusteredMin(lo, 4u);
hi = subgroupClusteredMax(hi, 4u);
ulo = subgroupClusteredMin(ulo, 4u);
uhi = subgroupClusteredMax(uhi, 4u);
slo = subgroupClusteredMin(slo, 4u);
shi = subgroupClusteredMax(shi, 4u);
anded = subgroupClusteredAnd(anded, 4u);
ored = subgroupClusteredOr(ored, 4u);
xored = subgroupClusteredXor(xored, 4u);
// quad
vec4 swap_horiz = subgroupQuadSwapHorizontal(vec4(20.0));
vec4 swap_vertical = subgroupQuadSwapVertical(vec4(20.0));
vec4 swap_diagonal = subgroupQuadSwapDiagonal(vec4(20.0));
vec4 quad_broadcast = subgroupQuadBroadcast(vec4(20.0), 3u);
}