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llvmpipe: add local memory allocation path

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-08-27 15:30:15 +10:00
parent 4e70970507
commit 6453a22612
2 changed files with 12 additions and 0 deletions
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9
src/gallium/drivers/llvmpipe/lp_state_cs.c
View file

@ -48,6 +48,7 @@
struct lp_cs_job_info {
unsigned grid_size[3];
unsigned block_size[3];
unsigned req_local_mem;
struct lp_cs_exec *current;
};
@ -395,6 +396,7 @@ llvmpipe_create_compute_state(struct pipe_context *pipe,
assert(templ->ir_type == PIPE_SHADER_IR_TGSI);
shader->base.tokens = tgsi_dup_tokens(templ->prog);
shader->req_local_mem = templ->req_local_mem;
lp_build_tgsi_info(shader->base.tokens, &shader->info);
make_empty_list(&shader->variants);
@ -1120,6 +1122,12 @@ cs_exec_fn(void *init_data, int iter_idx, struct lp_cs_local_mem *lmem)
memset(&thread_data, 0, sizeof(thread_data));
if (lmem->local_size < job_info->req_local_mem) {
lmem->local_size = job_info->req_local_mem;
lmem->local_mem_ptr = realloc(lmem->local_mem_ptr, lmem->local_size);
}
thread_data.shared = lmem->local_mem_ptr;
unsigned grid_z = iter_idx / (job_info->grid_size[0] * job_info->grid_size[1]);
unsigned grid_y = (iter_idx - (grid_z * (job_info->grid_size[0] * job_info->grid_size[1]))) / job_info->grid_size[0];
unsigned grid_x = (iter_idx - (grid_z * (job_info->grid_size[0] * job_info->grid_size[1])) - (grid_y * job_info->grid_size[0]));
@ -1175,6 +1183,7 @@ static void llvmpipe_launch_grid(struct pipe_context *pipe,
job_info.block_size[0] = info->block[0];
job_info.block_size[1] = info->block[1];
job_info.block_size[2] = info->block[2];
job_info.req_local_mem = llvmpipe->cs->req_local_mem;
job_info.current = &llvmpipe->csctx->cs.current;
int num_tasks = job_info.grid_size[2] * job_info.grid_size[1] * job_info.grid_size[0];

3
src/gallium/drivers/llvmpipe/lp_state_cs.h
View file

@ -81,6 +81,9 @@ struct lp_compute_shader {
struct lp_cs_variant_list_item variants;
struct lp_tgsi_info info;
uint32_t req_local_mem;
/* For debugging/profiling purposes */
unsigned variant_key_size;
unsigned no;