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i965/vs: Fix setup of scratch space pointer on pre-gen6.

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We were failing to relocate, so on the first draw run our scratch
would tend to get written to 0x0.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2011-08-30 16:58:03 -07:00
parent ddf8e602a7
commit 838bfe0c46
1 changed files with 10 additions and 0 deletions
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10
src/mesa/drivers/dri/i965/brw_vs_state.c
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@ -157,6 +157,16 @@ brw_prepare_vs_unit(struct brw_context *brw)
*/
vs->vs6.vs_enable = 1;
/* Emit scratch space relocation */
if (brw->vs.prog_data->total_scratch != 0) {
drm_intel_bo_emit_reloc(intel->batch.bo,
brw->vs.state_offset +
offsetof(struct brw_vs_unit_state, thread2),
brw->vs.scratch_bo,
vs->thread2.per_thread_scratch_space,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER);
}
brw->state.dirty.cache |= CACHE_NEW_VS_UNIT;
}