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anv: limit URB reconfigurations when using blorp 

If the last graphics pipeline bound to the command buffer has enough
space in its VS URB entries for Blorp then avoid reconfiguring the URB
partitions.

v2: s/0/MESA_SHADER_VERTEX/ (Caio)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Lionel Landwerlin 2019-03-06 11:42:14 +00:00
parent 84e70556fb
commit 0d46e40467
3 changed files with 11 additions and 3 deletions
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1
src/intel/vulkan/anv_private.h
View File

@ -2663,6 +2663,7 @@ struct anv_pipeline {
struct {
const struct gen_l3_config * l3_config;
uint32_t total_size;
unsigned entry_size[4];
} urb;
VkShaderStageFlags active_stages;

7
src/intel/vulkan/genX_blorp_exec.c
View File

@ -202,6 +202,13 @@ blorp_emit_urb_config(struct blorp_batch *batch,
assert(sf_entry_size == 0);
/* If the last used gfx pipeline in the command buffer has enough VS URB
* space for what the blorp operation needs, skip reconfiguration.
*/
if (cmd_buffer->state.gfx.base.pipeline &&
cmd_buffer->state.gfx.base.pipeline->urb.entry_size[MESA_SHADER_VERTEX] >= vs_entry_size)
return;
const unsigned entry_size[4] = { vs_entry_size, 1, 1, 1 };
genX(emit_urb_setup)(device, &cmd_buffer->batch,

6
src/intel/vulkan/genX_pipeline.c
View File

@ -308,18 +308,18 @@ genX(emit_urb_setup)(struct anv_device *device, struct anv_batch *batch,
static void
emit_urb_setup(struct anv_pipeline *pipeline)
{
unsigned entry_size[4];
for (int i = MESA_SHADER_VERTEX; i <= MESA_SHADER_GEOMETRY; i++) {
const struct brw_vue_prog_data *prog_data =
!anv_pipeline_has_stage(pipeline, i) ? NULL :
(const struct brw_vue_prog_data *) pipeline->shaders[i]->prog_data;
entry_size[i] = prog_data ? prog_data->urb_entry_size : 1;
pipeline->urb.entry_size[i] = prog_data ? prog_data->urb_entry_size : 1;
}
genX(emit_urb_setup)(pipeline->device, &pipeline->batch,
pipeline->urb.l3_config,
pipeline->active_stages, entry_size);
pipeline->active_stages,
pipeline->urb.entry_size);
}
static void