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iris: Add support for load_work_dim as a system value

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7047>
This commit is contained in:
Jason Ekstrand
2020-10-06 18:06:05 -05:00
parent 67ee9c5f55
commit 9df9f940f0
3 changed files with 14 additions and 0 deletions
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11
src/gallium/drivers/iris/iris_program.c
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@@ -396,6 +396,7 @@ iris_setup_uniforms(const struct brw_compiler *compiler,
unsigned ucp_idx[IRIS_MAX_CLIP_PLANES];
unsigned img_idx[PIPE_MAX_SHADER_IMAGES];
unsigned variable_group_size_idx = -1;
unsigned work_dim_idx = -1;
memset(ucp_idx, -1, sizeof(ucp_idx));
memset(img_idx, -1, sizeof(img_idx));
@@ -539,6 +540,16 @@ iris_setup_uniforms(const struct brw_compiler *compiler,
variable_group_size_idx * sizeof(uint32_t));
break;
}
case nir_intrinsic_load_work_dim: {
if (work_dim_idx == -1) {
work_dim_idx = num_system_values++;
system_values[work_dim_idx] = BRW_PARAM_BUILTIN_WORK_DIM;
}
b.cursor = nir_before_instr(instr);
offset = nir_imm_int(&b, system_values_start +
work_dim_idx * sizeof(uint32_t));
break;
}
case nir_intrinsic_load_kernel_input: {
assert(nir_intrinsic_base(intrin) +
nir_intrinsic_range(intrin) <= kernel_input_size);

2
src/gallium/drivers/iris/iris_state.c
View File

@@ -3314,6 +3314,8 @@ upload_sysvals(struct iris_context *ice,
sysval <= BRW_PARAM_BUILTIN_WORK_GROUP_SIZE_Z) {
unsigned i = sysval - BRW_PARAM_BUILTIN_WORK_GROUP_SIZE_X;
value = ice->state.last_block[i];
} else if (sysval == BRW_PARAM_BUILTIN_WORK_DIM) {
value = grid->work_dim;
} else {
assert(!"unhandled system value");
}

1
src/intel/compiler/brw_compiler.h
View File

@@ -629,6 +629,7 @@ enum brw_param_builtin {
BRW_PARAM_BUILTIN_WORK_GROUP_SIZE_X,
BRW_PARAM_BUILTIN_WORK_GROUP_SIZE_Y,
BRW_PARAM_BUILTIN_WORK_GROUP_SIZE_Z,
BRW_PARAM_BUILTIN_WORK_DIM,
};
#define BRW_PARAM_BUILTIN_CLIP_PLANE(idx, comp) \