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