dispatch_args.comp

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#version 440

// Single-thread shader: writes the indirect dispatch arguments for the

// upcoming dispatchIndirect() call. The same QRhiBuffer is bound here as a

// storage buffer (write target) and consumed by the next compute pass via

// vkCmdDispatchIndirect / glDispatchComputeIndirect.

layout (local_size_x = 1) in;

struct DispatchIndirectCommand

    uint x;

    uint y;

    uint z;

};

layout(std430, binding = 0) buffer IndirectBuf

    DispatchIndirectCommand cmd;

} args;

layout(std140, binding = 1) uniform Args

    uint groupsX;

    uint groupsY;

    uint groupsZ;

} ubuf;

void main()

    args.cmd.x = ubuf.groupsX;

    args.cmd.y = ubuf.groupsY;

    args.cmd.z = ubuf.groupsZ;