diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_cs.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_cs.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_cs.c b/src/mesa/drivers/dri/i965/brw_cs.c index a34c32047ff..9c92faa6db8 100644 --- a/src/mesa/drivers/dri/i965/brw_cs.c +++ b/src/mesa/drivers/dri/i965/brw_cs.c @@ -33,6 +33,42 @@ #include "brw_nir.h" #include "brw_program.h" +void +brw_cs_fill_local_id_payload(const struct brw_cs_prog_data *prog_data, + void *buffer, uint32_t threads, uint32_t stride) +{ + if (prog_data->local_invocation_id_regs == 0) + return; + + /* 'stride' should be an integer number of registers, that is, a multiple + * of 32 bytes. + */ + assert(stride % 32 == 0); + + unsigned x = 0, y = 0, z = 0; + for (unsigned t = 0; t < threads; t++) { + uint32_t *param = (uint32_t *) buffer + stride * t / 4; + + for (unsigned i = 0; i < prog_data->simd_size; i++) { + param[0 * prog_data->simd_size + i] = x; + param[1 * prog_data->simd_size + i] = y; + param[2 * prog_data->simd_size + i] = z; + + x++; + if (x == prog_data->local_size[0]) { + x = 0; + y++; + if (y == prog_data->local_size[1]) { + y = 0; + z++; + if (z == prog_data->local_size[2]) + z = 0; + } + } + } + } +} + static void assign_cs_binding_table_offsets(const struct brw_device_info *devinfo, const struct gl_shader_program *shader_prog, |