xref: /third_party/glslang/Test/spv.ext.meshShaderTaskMem.mesh

#version 450

#define MAX_VER  81
#define MAX_PRIM 32

#define BARRIER() \
    memoryBarrierShared(); \
    barrier();

#extension GL_EXT_mesh_shader : enable

layout(local_size_x = 32) in;

layout(max_vertices=MAX_VER) out;
layout(max_primitives=MAX_PRIM) out;
layout(triangles) out;

// use of storage qualifier "taskPayloadSharedEXT" in mesh shaders:
struct taskBlock {
    float gid1[2];
    vec4 gid2;
};
taskPayloadSharedEXT taskBlock mytask;

buffer bufferBlock {
    float gid3[2];
    vec4 gid4;
} mybuf;

layout(location=0) out outBlock {
    float gid5;
    vec4 gid6;
} myblk[];

void main()
{
    uint iid = gl_LocalInvocationID.x;

    myblk[iid].gid5 = mytask.gid1[1] + mybuf.gid3[1];
    myblk[iid].gid6 = mytask.gid2    + mybuf.gid4;
}