[Mesa-dev] [PATCH] gallivm: add information about different sampler/view units if analyzing shader
sroland at vmware.com
sroland at vmware.com
Fri Sep 19 10:12:14 PDT 2014
From: Roland Scheidegger <sroland at vmware.com>
Useful to know in some cases.
---
src/gallium/auxiliary/gallivm/lp_bld_tgsi.h | 6 ++++++
src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c | 4 ++++
2 files changed, 10 insertions(+)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
index 85411ce..029ca3c 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
@@ -127,6 +127,12 @@ struct lp_tgsi_info
unsigned indirect_textures:1;
/*
+ * Whether any of the texture (sample) ocpodes use different sampler
+ * and sampler view unit.
+ */
+ unsigned sampler_texture_units_different:1;
+
+ /*
* Whether any immediate values are outside the range of 0 and 1
*/
unsigned unclamped_immediates:1;
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
index fcaa201..55acea8 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
@@ -243,6 +243,10 @@ analyse_sample(struct analysis_context *ctx,
tex_info->texture_unit = inst->Src[1].Register.Index;
tex_info->sampler_unit = inst->Src[2].Register.Index;
+ if (tex_info->texture_unit != tex_info->sampler_unit) {
+ info->sampler_texture_units_different = TRUE;
+ }
+
if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV ||
modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_LOD ||
modifier == LP_BLD_TEX_MODIFIER_LOD_BIAS || shadow) {
--
1.9.1
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