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- #version 450
- #extension GL_ARB_gpu_shader_int64: enable
- #extension GL_ARB_shader_ballot: enable
- layout (local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
- layout(binding = 0) buffer Buffers
- {
- vec4 f4;
- ivec4 i4;
- uvec4 u4;
- } data[4];
- void main()
- {
- uint invocation = (gl_SubGroupInvocationARB + gl_SubGroupSizeARB) % 4;
- uint64_t relMask = gl_SubGroupEqMaskARB +
- gl_SubGroupGeMaskARB +
- gl_SubGroupGtMaskARB +
- gl_SubGroupLeMaskARB +
- gl_SubGroupLtMaskARB;
- if (relMask == ballotARB(true))
- {
- data[invocation].f4.x = readInvocationARB(data[0].f4.x, invocation);
- data[invocation].f4.xy = readInvocationARB(data[1].f4.xy, invocation);
- data[invocation].f4.xyz = readInvocationARB(data[2].f4.xyz, invocation);
- data[invocation].f4 = readInvocationARB(data[3].f4, invocation);
- data[invocation].i4.x = readInvocationARB(data[0].i4.x, invocation);
- data[invocation].i4.xy = readInvocationARB(data[1].i4.xy, invocation);
- data[invocation].i4.xyz = readInvocationARB(data[2].i4.xyz, invocation);
- data[invocation].i4 = readInvocationARB(data[3].i4, invocation);
- data[invocation].u4.x = readInvocationARB(data[0].u4.x, invocation);
- data[invocation].u4.xy = readInvocationARB(data[1].u4.xy, invocation);
- data[invocation].u4.xyz = readInvocationARB(data[2].u4.xyz, invocation);
- data[invocation].u4 = readInvocationARB(data[3].u4, invocation);
- }
- else
- {
- data[invocation].f4.x = readFirstInvocationARB(data[0].f4.x);
- data[invocation].f4.xy = readFirstInvocationARB(data[1].f4.xy);
- data[invocation].f4.xyz = readFirstInvocationARB(data[2].f4.xyz);
- data[invocation].f4 = readFirstInvocationARB(data[3].f4);
- data[invocation].i4.x = readFirstInvocationARB(data[0].i4.x);
- data[invocation].i4.xy = readFirstInvocationARB(data[1].i4.xy);
- data[invocation].i4.xyz = readFirstInvocationARB(data[2].i4.xyz);
- data[invocation].i4 = readFirstInvocationARB(data[3].i4);
- data[invocation].u4.x = readFirstInvocationARB(data[0].u4.x);
- data[invocation].u4.xy = readFirstInvocationARB(data[1].u4.xy);
- data[invocation].u4.xyz = readFirstInvocationARB(data[2].u4.xyz);
- data[invocation].u4 = readFirstInvocationARB(data[3].u4);
- }
- }
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