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anv: Properly size the push constant L3 area.

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We were assuming it was 32kB everywhere, reducing the available URB
space.  It's actually 16kB on Ivybridge, Baytrail, and Haswell GT1-2.
This commit is contained in:
Kenneth Graunke 2016-02-22 17:26:15 -08:00
parent 7f9b03cc8b
commit 3f11517730
1 changed files with 8 additions and 3 deletions
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11
src/intel/vulkan/anv_pipeline.c
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@ -755,8 +755,6 @@ anv_pipeline_compile_cs(struct anv_pipeline *pipeline,
return VK_SUCCESS;
}
static const int gen8_push_size = 32 * 1024;
static void
gen7_compute_urb_partition(struct anv_pipeline *pipeline)
{
@ -785,7 +783,14 @@ gen7_compute_urb_partition(struct anv_pipeline *pipeline)
unsigned urb_chunks = devinfo->urb.size * 1024 / chunk_size_bytes;
/* Reserve space for push constants */
unsigned push_constant_bytes = gen8_push_size;
#if GEN_GEN >= 8
unsigned push_constant_kb = 32;
#elif GEN_IS_HASWELL
unsigned push_constant_kb = pipeline->device->info.gt == 3 ? 32 : 16;
#else
unsigned push_constant_kb = 16;
#endif
unsigned push_constant_bytes = push_constant_kb * 1024;
unsigned push_constant_chunks =
push_constant_bytes / chunk_size_bytes;