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1#version 460
2
3vec4 undeclared_errors(vec4 f4)
4{
5  vec4 result;
6  gl_SubgroupSize;               // ERROR, extension not enabled (basic)
7  gl_SubgroupInvocationID;       // ERROR, extension not enabled (basic)
8  subgroupBarrier();             // ERROR, extension not enabled (basic)
9  subgroupMemoryBarrier();       // ERROR, extension not enabled (basic)
10  subgroupMemoryBarrierBuffer(); // ERROR, extension not enabled (basic)
11  subgroupMemoryBarrierImage();  // ERROR, extension not enabled (basic)
12  subgroupElect();               // ERROR, extension not enabled (basic)
13  gl_NumSubgroups;               // ERROR, extension not enabled (basic)
14  gl_SubgroupID;                 // ERROR, extension not enabled (basic)
15  subgroupMemoryBarrierShared(); // ERROR, extension not enabled (basic)
16
17  subgroupAll(true);        // ERROR extension not enabled (vote)
18  subgroupAny(false);       // ERROR extension not enabled (vote)
19  subgroupAllEqual(f4);     // ERROR extension not enabled (vote)
20
21  gl_SubgroupEqMask;                        // ERROR extension not enabled (ballot)
22  gl_SubgroupGeMask;                        // ERROR extension not enabled (ballot)
23  gl_SubgroupGtMask;                        // ERROR extension not enabled (ballot)
24  gl_SubgroupLeMask;                        // ERROR extension not enabled (ballot)
25  gl_SubgroupLtMask;                        // ERROR extension not enabled (ballot)
26  subgroupBroadcast(f4, 0);                 // ERROR extension not enabled (ballot)
27  subgroupBroadcastFirst(f4);               // ERROR extension not enabled (ballot)
28  uvec4 ballot = subgroupBallot(false);     // ERROR extension not enabled (ballot)
29  subgroupInverseBallot(uvec4(0x1));        // ERROR extension not enabled (ballot)
30  subgroupBallotBitExtract(ballot, 0);      // ERROR extension not enabled (ballot)
31  subgroupBallotBitCount(ballot);           // ERROR extension not enabled (ballot)
32  subgroupBallotInclusiveBitCount(ballot);  // ERROR extension not enabled (ballot)
33  subgroupBallotExclusiveBitCount(ballot);  // ERROR extension not enabled (ballot)
34  subgroupBallotFindLSB(ballot);            // ERROR extension not enabled (ballot)
35  subgroupBallotFindMSB(ballot);            // ERROR extension not enabled (ballot)
36
37  subgroupShuffle(f4, 0);           // ERROR extension not enabled (shuffle)
38  subgroupShuffleXor(f4, 0x1);      // ERROR extension not enabled (shuffle)
39  subgroupShuffleUp(f4, 1);         // ERROR extension not enabled (shuffle_relative)
40  subgroupShuffleDown(f4, 1);       // ERROR extension not enabled (shuffle_relative)
41
42  result = subgroupAdd(f4);         // ERROR, extension not enabled (arith)
43  subgroupMul(f4);                  // ERROR, extension not enabled (arith)
44  subgroupMin(f4);                  // ERROR, extension not enabled (arith)
45  subgroupMax(f4);                  // ERROR, extension not enabled (arith)
46  subgroupAnd(ballot);              // ERROR, extension not enabled (arith)
47  subgroupOr(ballot);               // ERROR, extension not enabled (arith)
48  subgroupXor(ballot);              // ERROR, extension not enabled (arith)
49  subgroupInclusiveAdd(f4);         // ERROR, extension not enabled (arith)
50  subgroupInclusiveMul(f4);         // ERROR, extension not enabled (arith)
51  subgroupInclusiveMin(f4);         // ERROR, extension not enabled (arith)
52  subgroupInclusiveMax(f4);         // ERROR, extension not enabled (arith)
53  subgroupInclusiveAnd(ballot);     // ERROR, extension not enabled (arith)
54  subgroupInclusiveOr(ballot);      // ERROR, extension not enabled (arith)
55  subgroupInclusiveXor(ballot);     // ERROR, extension not enabled (arith)
56  subgroupExclusiveAdd(f4);         // ERROR, extension not enabled (arith)
57  subgroupExclusiveMul(f4);         // ERROR, extension not enabled (arith)
58  subgroupExclusiveMin(f4);         // ERROR, extension not enabled (arith)
59  subgroupExclusiveMax(f4);         // ERROR, extension not enabled (arith)
60  subgroupExclusiveAnd(ballot);     // ERROR, extension not enabled (arith)
61  subgroupExclusiveOr(ballot);      // ERROR, extension not enabled (arith)
62  subgroupExclusiveXor(ballot);     // ERROR, extension not enabled (arith)
63
64  subgroupClusteredAdd(f4, 2);      // ERROR, extension not enabled (clustered)
65  subgroupClusteredMul(f4, 2);      // ERROR, extension not enabled (clustered)
66  subgroupClusteredMin(f4, 2);      // ERROR, extension not enabled (clustered)
67  subgroupClusteredMax(f4, 2);      // ERROR, extension not enabled (clustered)
68  subgroupClusteredAnd(ballot, 2);  // ERROR, extension not enabled (clustered)
69  subgroupClusteredOr(ballot, 2);   // ERROR, extension not enabled (clustered)
70  subgroupClusteredXor(ballot, 2);  // ERROR, extension not enabled (clustered)
71
72  subgroupQuadBroadcast(f4, 0);     // ERROR, extension not enabled (quad)
73  subgroupQuadSwapHorizontal(f4);   // ERROR, extension not enabled (quad)
74  subgroupQuadSwapVertical(f4);     // ERROR, extension not enabled (quad)
75  subgroupQuadSwapDiagonal(f4);     // ERROR, extension not enabled (quad)
76
77  uvec4 parti = subgroupPartitionNV(f4);                // ERROR, extension not enabled (partitioned)
78  subgroupPartitionedAddNV(f4, parti);                  // ERROR, extension not enabled (partitioned)
79  subgroupPartitionedMulNV(f4, parti);                  // ERROR, extension not enabled (partitioned)
80  subgroupPartitionedMinNV(f4, parti);                  // ERROR, extension not enabled (partitioned)
81  subgroupPartitionedMaxNV(f4, parti);                  // ERROR, extension not enabled (partitioned)
82  subgroupPartitionedAndNV(ballot, parti);              // ERROR, extension not enabled (partitioned)
83  subgroupPartitionedOrNV(ballot, parti);               // ERROR, extension not enabled (partitioned)
84  subgroupPartitionedXorNV(ballot, parti);              // ERROR, extension not enabled (partitioned)
85  subgroupPartitionedInclusiveAddNV(f4, parti);         // ERROR, extension not enabled (partitioned)
86  subgroupPartitionedInclusiveMulNV(f4, parti);         // ERROR, extension not enabled (partitioned)
87  subgroupPartitionedInclusiveMinNV(f4, parti);         // ERROR, extension not enabled (partitioned)
88  subgroupPartitionedInclusiveMaxNV(f4, parti);         // ERROR, extension not enabled (partitioned)
89  subgroupPartitionedInclusiveAndNV(ballot, parti);     // ERROR, extension not enabled (partitioned)
90  subgroupPartitionedInclusiveOrNV(ballot, parti);      // ERROR, extension not enabled (partitioned)
91  subgroupPartitionedInclusiveXorNV(ballot, parti);     // ERROR, extension not enabled (partitioned)
92  subgroupPartitionedExclusiveAddNV(f4, parti);         // ERROR, extension not enabled (partitioned)
93  subgroupPartitionedExclusiveMulNV(f4, parti);         // ERROR, extension not enabled (partitioned)
94  subgroupPartitionedExclusiveMinNV(f4, parti);         // ERROR, extension not enabled (partitioned)
95  subgroupPartitionedExclusiveMaxNV(f4, parti);         // ERROR, extension not enabled (partitioned)
96  subgroupPartitionedExclusiveAndNV(ballot, parti);     // ERROR, extension not enabled (partitioned)
97  subgroupPartitionedExclusiveOrNV(ballot, parti);      // ERROR, extension not enabled (partitioned)
98  subgroupPartitionedExclusiveXorNV(ballot, parti);     // ERROR, extension not enabled (partitioned)
99
100  return result;
101}
102
103#define MAX_VER  81
104#define MAX_PRIM 32
105
106#define BARRIER() \
107    memoryBarrierShared(); \
108    barrier();
109
110#extension GL_NV_mesh_shader : enable
111
112layout(local_size_x = 32) in;
113
114layout(max_vertices=MAX_VER) out;
115layout(max_primitives=MAX_PRIM) out;
116layout(triangles) out;
117
118// test use of builtins in mesh shaders:
119
120void main()
121{
122    uint iid = gl_LocalInvocationID.x;
123    uint gid = gl_WorkGroupID.x;
124
125    gl_MeshVerticesNV[iid].gl_Position = vec4(1.0);
126    gl_MeshVerticesNV[iid].gl_PointSize = 2.0;
127    gl_MeshVerticesNV[iid].gl_ClipDistance[3] = 3.0;
128    gl_MeshVerticesNV[iid].gl_CullDistance[2] = 4.0;
129
130    BARRIER();
131
132    gl_MeshVerticesNV[iid+1].gl_Position = gl_MeshVerticesNV[iid].gl_Position;
133    gl_MeshVerticesNV[iid+1].gl_PointSize = gl_MeshVerticesNV[iid].gl_PointSize;
134    gl_MeshVerticesNV[iid+1].gl_ClipDistance[3] = gl_MeshVerticesNV[iid].gl_ClipDistance[3];
135    gl_MeshVerticesNV[iid+1].gl_CullDistance[2] = gl_MeshVerticesNV[iid].gl_CullDistance[2];
136
137    BARRIER();
138
139    gl_MeshPrimitivesNV[iid].gl_PrimitiveID = 6;
140    gl_MeshPrimitivesNV[iid].gl_Layer = 7;
141    gl_MeshPrimitivesNV[iid].gl_ViewportIndex = 8;
142    gl_MeshPrimitivesNV[iid].gl_ViewportMask[0] = 9;
143
144    BARRIER();
145
146    gl_MeshPrimitivesNV[iid+1].gl_PrimitiveID = gl_MeshPrimitivesNV[iid].gl_PrimitiveID;
147    gl_MeshPrimitivesNV[iid+1].gl_Layer = gl_MeshPrimitivesNV[iid].gl_Layer;
148    gl_MeshPrimitivesNV[iid+1].gl_ViewportIndex = gl_MeshPrimitivesNV[iid].gl_ViewportIndex;
149    gl_MeshPrimitivesNV[iid+1].gl_ViewportMask[0] = gl_MeshPrimitivesNV[iid].gl_ViewportMask[0];
150
151    BARRIER();
152
153    // check bound limits
154    gl_PrimitiveIndicesNV[0] = 257; // should truncate 257 -> 1
155    gl_PrimitiveIndicesNV[(MAX_PRIM * 3) - 1] = 2;
156    gl_PrimitiveIndicesNV[gid] = gl_PrimitiveIndicesNV[gid-1];
157
158    // writes 4 indices at offset gl_DrawID
159    writePackedPrimitiveIndices4x8NV(gl_DrawID, 0x01020304);
160
161    gl_PrimitiveCountNV = MAX_PRIM * 3;
162
163    BARRIER();
164}
165
166#extension GL_KHR_shader_subgroup_basic: enable
167void basic_works (void)
168{
169  gl_SubgroupSize;
170  gl_SubgroupInvocationID;
171  subgroupBarrier();
172  subgroupMemoryBarrier();
173  subgroupMemoryBarrierBuffer();
174  subgroupMemoryBarrierImage();
175  subgroupElect();
176  gl_NumSubgroups;                  // allowed in mesh
177  gl_SubgroupID;                    // allowed in mesh
178  subgroupMemoryBarrierShared();    // allowed in mesh
179}
180
181#extension GL_KHR_shader_subgroup_ballot: enable
182void ballot_works(vec4 f4) {
183  gl_SubgroupEqMask;
184  gl_SubgroupGeMask;
185  gl_SubgroupGtMask;
186  gl_SubgroupLeMask;
187  gl_SubgroupLtMask;
188  subgroupBroadcast(f4, 0);
189  subgroupBroadcastFirst(f4);
190  uvec4 ballot = subgroupBallot(false);
191  subgroupInverseBallot(uvec4(0x1));
192  subgroupBallotBitExtract(ballot, 0);
193  subgroupBallotBitCount(ballot);
194  subgroupBallotInclusiveBitCount(ballot);
195  subgroupBallotExclusiveBitCount(ballot);
196  subgroupBallotFindLSB(ballot);
197  subgroupBallotFindMSB(ballot);
198}
199
200#extension GL_KHR_shader_subgroup_vote: enable
201void vote_works(vec4 f4)
202{
203  subgroupAll(true);
204  subgroupAny(false);
205  subgroupAllEqual(f4);
206}
207
208#extension GL_KHR_shader_subgroup_shuffle: enable
209#extension GL_KHR_shader_subgroup_shuffle_relative: enable
210void shuffle_works(vec4 f4)
211{
212  subgroupShuffle(f4, 0);
213  subgroupShuffleXor(f4, 0x1);
214  subgroupShuffleUp(f4, 1);
215  subgroupShuffleDown(f4, 1);
216}
217
218#extension GL_KHR_shader_subgroup_arithmetic: enable
219void arith_works(vec4 f4)
220{
221  uvec4 ballot;
222  subgroupAdd(f4);
223  subgroupMul(f4);
224  subgroupMin(f4);
225  subgroupMax(f4);
226  subgroupAnd(ballot);
227  subgroupOr(ballot);
228  subgroupXor(ballot);
229  subgroupInclusiveAdd(f4);
230  subgroupInclusiveMul(f4);
231  subgroupInclusiveMin(f4);
232  subgroupInclusiveMax(f4);
233  subgroupInclusiveAnd(ballot);
234  subgroupInclusiveOr(ballot);
235  subgroupInclusiveXor(ballot);
236  subgroupExclusiveAdd(f4);
237  subgroupExclusiveMul(f4);
238  subgroupExclusiveMin(f4);
239  subgroupExclusiveMax(f4);
240  subgroupExclusiveAnd(ballot);
241  subgroupExclusiveOr(ballot);
242  subgroupExclusiveXor(ballot);
243}
244
245#extension GL_KHR_shader_subgroup_clustered: enable
246void clustered_works(vec4 f4)
247{
248  uvec4 ballot = uvec4(0x55,0,0,0);
249  subgroupClusteredAdd(f4, 2);
250  subgroupClusteredMul(f4, 2);
251  subgroupClusteredMin(f4, 2);
252  subgroupClusteredMax(f4, 2);
253  subgroupClusteredAnd(ballot, 2);
254  subgroupClusteredOr(ballot, 2);
255  subgroupClusteredXor(ballot, 2);
256}
257
258#extension GL_KHR_shader_subgroup_quad: enable
259void quad_works(vec4 f4)
260{
261  subgroupQuadBroadcast(f4, 0);
262  subgroupQuadSwapHorizontal(f4);
263  subgroupQuadSwapVertical(f4);
264  subgroupQuadSwapDiagonal(f4);
265}
266
267#extension GL_NV_shader_subgroup_partitioned: enable
268void partitioned_works(vec4 f4)
269{
270  uvec4 parti = subgroupPartitionNV(f4);
271  uvec4 ballot = uvec4(0x55,0,0,0);
272  subgroupPartitionedAddNV(f4, parti);
273  subgroupPartitionedMulNV(f4, parti);
274  subgroupPartitionedMinNV(f4, parti);
275  subgroupPartitionedMaxNV(f4, parti);
276  subgroupPartitionedAndNV(ballot, parti);
277  subgroupPartitionedOrNV(ballot, parti);
278  subgroupPartitionedXorNV(ballot, parti);
279  subgroupPartitionedInclusiveAddNV(f4, parti);
280  subgroupPartitionedInclusiveMulNV(f4, parti);
281  subgroupPartitionedInclusiveMinNV(f4, parti);
282  subgroupPartitionedInclusiveMaxNV(f4, parti);
283  subgroupPartitionedInclusiveAndNV(ballot, parti);
284  subgroupPartitionedInclusiveOrNV(ballot, parti);
285  subgroupPartitionedInclusiveXorNV(ballot, parti);
286  subgroupPartitionedExclusiveAddNV(f4, parti);
287  subgroupPartitionedExclusiveMulNV(f4, parti);
288  subgroupPartitionedExclusiveMinNV(f4, parti);
289  subgroupPartitionedExclusiveMaxNV(f4, parti);
290  subgroupPartitionedExclusiveAndNV(ballot, parti);
291  subgroupPartitionedExclusiveOrNV(ballot, parti);
292  subgroupPartitionedExclusiveXorNV(ballot, parti);
293}
294
295// tests for NV_shader_sm_builtins
296void sm_builtins_err()
297{
298    gl_WarpsPerSMNV;    // ERROR, no extension
299    gl_SMCountNV;       // ERROR, no extension
300    gl_WarpIDNV;        // ERROR, no extension
301    gl_SMIDNV;          // ERROR, no extension
302}
303
304#ifdef GL_NV_shader_sm_builtins
305#extension GL_NV_shader_sm_builtins : enable
306#endif
307
308void sm_builtins()
309{
310    gl_WarpsPerSMNV;
311    gl_SMCountNV;
312    gl_WarpIDNV;
313    gl_SMIDNV;
314}
315