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authorChris Forbes <chrisf@ijw.co.nz>2014-04-13 12:37:31 +1200
committerChris Forbes <chrisf@ijw.co.nz>2014-04-21 10:12:00 +1200
commitc4a98e76d7dcb84ba6a0337dc975351966c4dac7 (patch)
tree1669b5393c799dc1447013a0f5f15bfd7d5ad62b /src/mesa/main/texstate.c
parentba6dcb3c2b8f516b120f591144bf6c3751f0e3f9 (diff)
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mesa: Track max enabled tex image unit
This gives us a better bound for some hot loops in the drivers than MAX_COMBINED_TEXTURE_IMAGE_UNITS, which is ridiculously large on modern hardware, and only getting worse as more shader stages are added. Signed-off-by: Chris Forbes <chrisf@ijw.co.nz> Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'src/mesa/main/texstate.c')
-rw-r--r--src/mesa/main/texstate.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index fcae878..b68920c 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -550,6 +550,7 @@ update_texture_state( struct gl_context *ctx )
ctx->Texture._GenFlags = 0x0;
ctx->Texture._TexMatEnabled = 0x0;
ctx->Texture._TexGenEnabled = 0x0;
+ ctx->Texture._MaxEnabledTexImageUnit = -1;
/*
* Update texture unit state.
@@ -636,6 +637,7 @@ update_texture_state( struct gl_context *ctx )
/* if we get here, we know this texture unit is enabled */
ctx->Texture._EnabledUnits |= (1 << unit);
+ ctx->Texture._MaxEnabledTexImageUnit = unit;
if (enabledTargetsByStage[MESA_SHADER_FRAGMENT])
enabledFragUnits |= (1 << unit);