Test/spv.meshShaderRedeclPerViewBuiltins.mesh

   1 #version 450\r
   2 \r
   3 #define MAX_VER  81\r
   4 #define MAX_PRIM 32\r
   5 #define MAX_VIEWS gl_MaxMeshViewCountNV\r
   6 \r
   7 #define BARRIER() \\r
   8     memoryBarrierShared(); \\r
   9     barrier();\r
  10 \r
  11 #extension GL_NV_mesh_shader : enable\r
  12 \r
  13 layout(local_size_x = 32) in;\r
  14 \r
  15 layout(max_vertices=MAX_VER) out;\r
  16 layout(max_primitives=MAX_PRIM) out;\r
  17 layout(triangles) out;\r
  18 \r
  19 // test use of redeclared per-view builtin attributes\r
  20 \r
  21 out gl_MeshPerVertexNV {\r
  22     perviewNV vec4 gl_PositionPerViewNV[MAX_VIEWS];         // explicitly sized view dim\r
  23     perviewNV float gl_ClipDistancePerViewNV[MAX_VIEWS][4]; // explicitly sized view dim\r
  24     perviewNV float gl_CullDistancePerViewNV[MAX_VIEWS][4]; // explicitly sized view dim\r
  25 } gl_MeshVerticesNV[];\r
  26 \r
  27 perprimitiveNV out gl_MeshPerPrimitiveNV {\r
  28     perviewNV int gl_LayerPerViewNV[];                      // implicitly sized view dim\r
  29     perviewNV int gl_ViewportMaskPerViewNV[][1];            // implicitly sized view dim\r
  30 } gl_MeshPrimitivesNV[];\r
  31 \r
  32 void main()\r
  33 {\r
  34     uint iid = gl_LocalInvocationID.x;\r
  35     uint viewID = gl_MeshViewIndicesNV[gl_MeshViewCountNV%MAX_VIEWS];\r
  36 \r
  37     gl_MeshVerticesNV[iid].gl_PositionPerViewNV[viewID]          = vec4(1.0, 2.0, 3.0, 4.0);\r
  38     gl_MeshVerticesNV[iid].gl_ClipDistancePerViewNV[viewID][2]   = 5.0;\r
  39     gl_MeshVerticesNV[iid].gl_CullDistancePerViewNV[viewID][3]   = 6.0;\r
  40     gl_MeshPrimitivesNV[iid].gl_LayerPerViewNV[viewID]           = 7;\r
  41     gl_MeshPrimitivesNV[iid].gl_ViewportMaskPerViewNV[viewID][0] = 8;\r
  42 \r
  43     BARRIER();\r
  44 \r
  45     gl_MeshVerticesNV[iid+1].gl_PositionPerViewNV[viewID]          = gl_MeshVerticesNV[iid].gl_PositionPerViewNV[viewID];\r
  46     gl_MeshVerticesNV[iid+1].gl_ClipDistancePerViewNV[viewID][2]   = gl_MeshVerticesNV[iid].gl_ClipDistancePerViewNV[viewID][2];\r
  47     gl_MeshVerticesNV[iid+1].gl_CullDistancePerViewNV[viewID][3]   = gl_MeshVerticesNV[iid].gl_CullDistancePerViewNV[viewID][3];\r
  48     gl_MeshPrimitivesNV[iid+1].gl_LayerPerViewNV[viewID]           = gl_MeshPrimitivesNV[iid].gl_LayerPerViewNV[viewID];\r
  49     gl_MeshPrimitivesNV[iid+1].gl_ViewportMaskPerViewNV[viewID][0] = gl_MeshPrimitivesNV[iid].gl_ViewportMaskPerViewNV[viewID][0];\r
  50 \r
  51     BARRIER();\r
  52 }\r
  53 \r