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authorChris Wilson <chris@chris-wilson.co.uk>2011-02-23 23:09:36 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2011-02-23 23:11:26 +0000
commit671018aa99528a41955654f62120eeea0c5517e1 (patch)
tree9d3b47fab7412f47761681fc9c8dccd23992a4c9
parent19ac5fa50dbb2f80eb0d47866b1474e3bd7a84dc (diff)
intel: gen3 is particular sensitive to batch size
... and prefers a small batch whereas gen4+ prefer a large batch to carry more state. Tuning using openarena/padman indicate that a batch size of just 4096 is best for those cases. Bugzilla: https://bugs.freedesktop.org/process_bug.cgi Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r--src/mesa/drivers/dri/intel/intel_context.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 7dbd9d9dde..d22fa27aaa 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -746,7 +746,7 @@ intelInitContext(struct intel_context *intel,
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
sPriv->myNum, (intel->gen >= 4) ? "i965" : "i915");
- if (intelScreen->deviceID == PCI_CHIP_I865_G)
+ if (intel->gen < 4)
intel->maxBatchSize = 4096;
else
intel->maxBatchSize = sizeof(intel->batch.map);