fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-09 04:38:03 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

radv: only emit cache flushes when the pool size is large enough

Browse source 
This is an optimization which reduces the number of flushes for
small pool buffers.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-02-28 20:28:53 +01:00
parent 2fe07933bd
commit c27f5419f6
3 changed files with 15 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/amd/vulkan/radv_meta_buffer.c
View file

@ -4,12 +4,6 @@
#include "sid.h"
#include "radv_cs.h"
/*
* This is the point we switch from using CP to compute shader
* for certain buffer operations.
*/
#define RADV_BUFFER_OPS_CS_THRESHOLD 4096
static nir_shader *
build_buffer_fill_shader(struct radv_device *dev)
{

6
src/amd/vulkan/radv_private.h
View file

@ -95,6 +95,12 @@ typedef uint32_t xcb_window_t;
#define NUM_DEPTH_CLEAR_PIPELINES 3
/*
* This is the point we switch from using CP to compute shader
* for certain buffer operations.
*/
#define RADV_BUFFER_OPS_CS_THRESHOLD 4096
enum radv_mem_heap {
RADV_MEM_HEAP_VRAM,
RADV_MEM_HEAP_VRAM_CPU_ACCESS,

14
src/amd/vulkan/radv_query.c
View file

@ -1092,11 +1092,15 @@ void radv_CmdBeginQuery(
radv_cs_add_buffer(cmd_buffer->device->ws, cs, pool->bo, 8);
if (cmd_buffer->pending_reset_query) {
/* Make sure to flush caches if the query pool has been
* previously resetted using the compute shader path.
*/
si_emit_cache_flush(cmd_buffer);
cmd_buffer->pending_reset_query = false;
if (pool->size >= RADV_BUFFER_OPS_CS_THRESHOLD) {
/* Only need to flush caches if the query pool size is
* large enough to be resetted using the compute shader
* path. Small pools don't need any cache flushes
* because we use a CP dma clear.
*/
si_emit_cache_flush(cmd_buffer);
cmd_buffer->pending_reset_query = false;
}
}
switch (pool->type) {