kbz_8/Vulkan-CTS-bin
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

yes

Browse Source
This commit is contained in:
kbz_8
2026-05-06 23:44:13 +02:00
parent a5f787d80f
commit fd7038b853
1574 changed files with 365439 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
vulkan/amber/reconvergence/maximal/fragment/demote_entire_quad.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 4;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
34 35 50 51
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_half_quad_backslash.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 2;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
34 256 256 51
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_half_quad_bottom.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 2;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
256 256 50 51
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_half_quad_left.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 2;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
34 256 50 256
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_half_quad_right.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 2;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
256 35 256 51
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_half_quad_slash.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 2;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
256 35 50 256
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_half_quad_top.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 2;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
34 35 256 256
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/demote_invocation.amber
+127
View File
@@ -0,0 +1,127 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.3
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_demote_to_helper_invocation : require
layout(binding = 0) readonly buffer X { uvec4 fragments; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void main()
[[maximally_reconverges]]
{
const uvec4 fullBallot = subgroupBallot( ! helperInvocationEXT() );
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 quadBallot = subgroupBallot((fragments[gl_SubgroupInvocationID % 4] - fragmentID) == 0);
const bool quadSubgroup = subgroupBallotBitCount(quadBallot) == 1;
if (quadSubgroup && subgroupInverseBallot(quadBallot))
{
switch (gl_SubgroupInvocationID % 4)
{
case 0:
{
while (true)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 1:
{
do
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
while (quadSubgroup);
demote;
}
break;
case 2:
{
while (quadSubgroup)
{
subgroupMemoryBarrierBuffer();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
case 3:
{
for (;;)
{
subgroupMemoryBarrier();
if (subgroupElect())
{
break;
}
}
demote;
}
break;
}
}
const uvec4 nonHelperBallot = subgroupBallot( ! helperInvocationEXT() );
const uvec4 demotedBallot = nonHelperBallot ^ fullBallot;
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (quadSubgroup && gl_SubgroupInvocationID == writeInvocation)
{
result = (demotedBallot == quadBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32G32B32A32_UINT DATA
256 256 256 51
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1
vulkan/amber/reconvergence/maximal/fragment/terminate_invocation.amber
+81
View File
@@ -0,0 +1,81 @@
#!amber
SHADER vertex vert_shader PASSTHROUGH
SHADER fragment frag_shader GLSL TARGET_ENV spv1.6
#version 450
#extension GL_EXT_maximal_reconvergence : require
#extension GL_KHR_shader_subgroup_ballot : require
#extension GL_EXT_terminate_invocation : require
#define UINT_MAX 0xFFFFFFFF
layout(binding = 0) readonly buffer X { uint fragment; };
layout(binding = 1) buffer Y { uint result; };
layout(location = 0) out vec4 dEQP_FragColor;
void resetBit(in out uvec4 ballot, uint bit) { if (bit < gl_SubgroupSize) ballot[bit/32] &= (UINT_MAX ^ (1u << (bit % 32))); }
uvec4 ballotResetBit(uvec4 ballot, uint bit) { resetBit(ballot, bit); return ballot; }
uint findBallotLSB(uvec4 ballot) { return subgroupBallotBitCount(ballot) > 0 ? subgroupBallotFindLSB(ballot) : UINT_MAX; }
void main()
[[maximally_reconverges]]
{
const uint fragmentID = uint(gl_FragCoord.y) * 16 + uint(gl_FragCoord.x);
const uvec4 terminateSubgroupBallot = subgroupBallot(fragmentID == fragment);
const uint terminateInvocationID = findBallotLSB(terminateSubgroupBallot);
const bool terminateSubgroup = terminateInvocationID < gl_SubgroupSize;
const uvec4 referenceBallot = ballotResetBit(subgroupBallot(true), terminateInvocationID);
if (terminateSubgroup && (gl_SubgroupInvocationID == terminateInvocationID))
{
terminateInvocation;
}
const uvec4 resultBallot = subgroupBallot(true);
const uvec4 nonHelperBallot = subgroupBallot( ! gl_HelperInvocation );
const uint writeInvocation = subgroupBallotFindLSB(nonHelperBallot);
if (terminateSubgroup && (gl_SubgroupInvocationID == writeInvocation))
{
result = (resultBallot == referenceBallot) ? 1 : 0;
}
dEQP_FragColor = vec4(1.0);
}
END
BUFFER vertices DATA_TYPE R32G32_SFLOAT DATA
-1.0 3.5 -1.0 -1.0 3.5 -1.0
END
BUFFER fragments DATA_TYPE R32_UINT DATA
136
END
BUFFER result DATA_TYPE R32_UINT DATA 99 END
BUFFER framebuffer FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics mainPipeline
ATTACH vert_shader
ATTACH frag_shader
FRAMEBUFFER_SIZE 16 16
BIND BUFFER fragments AS storage DESCRIPTOR_SET 0 BINDING 0
BIND BUFFER result AS storage DESCRIPTOR_SET 0 BINDING 1
VERTEX_DATA vertices LOCATION 0
BIND BUFFER framebuffer AS color LOCATION 0
END
CLEAR_COLOR mainPipeline 0 0 0 0
CLEAR mainPipeline
RUN mainPipeline DRAW_ARRAY AS TRIANGLE_LIST START_IDX 0 COUNT 3
EXPECT result IDX 0 EQ 1