fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-22 13:08:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

radv: Select PC oversubscription rate based on number of PS params.

Browse source 
Decide the oversubscription rate similarly to how RadeonSI does it:
Oversubscribe a smaller amount of PC (parameter cache) when there are
fewer params.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12859>
This commit is contained in:
Timur Kristóf 2021-09-14 19:06:10 +02:00 • committed by Marge Bot
parent 61b7ca2a1f
commit 7ae5a93b7f
1 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/amd/vulkan/radv_pipeline.c
View file

@ -4657,8 +4657,16 @@ radv_pipeline_generate_hw_ngg(struct radeon_cmdbuf *ctx_cs, struct radeon_cmdbuf
S_00B204_CU_EN(0xffff) | S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_wave64));
uint32_t oversub_pc_lines = late_alloc_wave64 ? pipeline->device->physical_device->rad_info.pc_lines / 4 : 0;
if (shader->info.has_ngg_culling)
oversub_pc_lines *= 3;
if (shader->info.has_ngg_culling) {
unsigned oversub_factor = 2;
if (outinfo->param_exports > 4)
oversub_factor = 4;
else if (outinfo->param_exports > 2)
oversub_factor = 3;
oversub_pc_lines *= oversub_factor;
}
gfx10_emit_ge_pc_alloc(cs, pipeline->device->physical_device->rad_info.chip_class, oversub_pc_lines);
}