Attachment 121729 Details for Bug 94100 – dirty patch to conditionally terminate batch on hsw

dirty patch to conditionally terminate batch on hsw

file_94100.txt (text/plain), 1.26 KB, created by Ilia Mirkin on 2016-02-13 01:51:19 UTC

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Creator: Ilia Mirkin

Created: 2016-02-13 01:51:19 UTC

Size: 1.26 KB

patch

obsolete

>diff --git a/src/mesa/drivers/dri/i965/brw_compute.c b/src/mesa/drivers/dri/i965/brw_compute.c
>index d9f181a..e0d9186 100644
>--- a/src/mesa/drivers/dri/i965/brw_compute.c
>+++ b/src/mesa/drivers/dri/i965/brw_compute.c
>@@ -73,7 +73,23 @@ brw_emit_gpgpu_walker(struct brw_context *brw)
>       right_mask >>= (simd_size - right_non_aligned);
> 
>    uint32_t dwords = brw->gen < 8 ? 11 : 15;
>+   if (brw->compute.num_work_groups_bo)
>+      dwords += 3 * 3;
>    BEGIN_BATCH(dwords);
>+   if (brw->compute.num_work_groups_bo) {
>+      OUT_BATCH((0x36 << 23) | (1 << 21) | (3 - 2));
>+      OUT_BATCH(0);
>+      OUT_RELOC(brw->compute.num_work_groups_bo, I915_GEM_DOMAIN_VERTEX, 0,
>+                brw->compute.num_work_groups_offset+ 0);
>+      OUT_BATCH((0x36 << 23) | (1 << 21) | (3 - 2));
>+      OUT_BATCH(0);
>+      OUT_RELOC(brw->compute.num_work_groups_bo, I915_GEM_DOMAIN_VERTEX, 0,
>+                brw->compute.num_work_groups_offset+ 4);
>+      OUT_BATCH((0x36 << 23) | (1 << 21) | (3 - 2));
>+      OUT_BATCH(0);
>+      OUT_RELOC(brw->compute.num_work_groups_bo, I915_GEM_DOMAIN_VERTEX, 0,
>+                brw->compute.num_work_groups_offset+ 8);
>+   }
>    OUT_BATCH(GPGPU_WALKER << 16 | (dwords - 2) | indirect_flag);
>    OUT_BATCH(0);
>    if (brw->gen >= 8) {

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