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Add no_aos_sampling GALLIVM_PERF option 

This forces using general sampling and should improve precision and
performance in some cases.
This commit is contained in:
Dominik Drees 2019-04-15 11:05:46 +02:00 committed by Roland Scheidegger
parent ad6dc13fc7
commit 829f278ad0
3 changed files with 11 additions and 4 deletions
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9
src/gallium/auxiliary/gallivm/lp_bld_debug.h
View File

@ -43,10 +43,11 @@
#define GALLIVM_DEBUG_GC (1 << 4)
#define GALLIVM_DEBUG_DUMP_BC (1 << 5)
#define GALLIVM_PERF_NO_BRILINEAR (1 << 0)
#define GALLIVM_PERF_NO_RHO_APPROX (1 << 1)
#define GALLIVM_PERF_NO_QUAD_LOD (1 << 2)
#define GALLIVM_PERF_NO_OPT (1 << 3)
#define GALLIVM_PERF_NO_BRILINEAR (1 << 0)
#define GALLIVM_PERF_NO_RHO_APPROX (1 << 1)
#define GALLIVM_PERF_NO_QUAD_LOD (1 << 2)
#define GALLIVM_PERF_NO_OPT (1 << 3)
#define GALLIVM_PERF_NO_AOS_SAMPLING (1 << 4)
#ifdef __cplusplus
extern "C" {

1
src/gallium/auxiliary/gallivm/lp_bld_init.c
View File

@ -65,6 +65,7 @@ static const struct debug_named_value lp_bld_perf_flags[] = {
{ "no_brilinear", GALLIVM_PERF_NO_BRILINEAR, "disable brilinear optimization" },
{ "no_rho_approx", GALLIVM_PERF_NO_RHO_APPROX, "disable rho_approx optimization" },
{ "no_quad_lod", GALLIVM_PERF_NO_QUAD_LOD, "disable quad_lod optimization" },
{ "no_aos_sampling", GALLIVM_PERF_NO_AOS_SAMPLING, "disable aos sampling optimization" },
{ "nopt", GALLIVM_PERF_NO_OPT, "disable optimization passes to speed up shader compilation" },
{ "no_filter_hacks", GALLIVM_PERF_NO_BRILINEAR | GALLIVM_PERF_NO_RHO_APPROX |
GALLIVM_PERF_NO_QUAD_LOD, "disable filter optimization hacks" },

5
src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
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@ -3112,6 +3112,11 @@ lp_build_sample_soa_code(struct gallivm_state *gallivm,
use_aos &= bld.num_lods <= num_quads ||
derived_sampler_state.min_img_filter ==
derived_sampler_state.mag_img_filter;
if(gallivm_perf & GALLIVM_PERF_NO_AOS_SAMPLING) {
use_aos = 0;
}
if (dims > 1) {
use_aos &= lp_is_simple_wrap_mode(derived_sampler_state.wrap_t);
if (dims > 2) {