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-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index b69616d6e5..6792c3a34e 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -68,6 +68,7 @@ static void release_tmps( struct brw_vs_compile *c )
static void brw_vs_alloc_regs( struct brw_vs_compile *c )
{
GLuint i, reg = 0, mrf;
+ int attributes_in_vue;
#if 0
if (c->vp->program.Base.Parameters->NumParameters >= 6)
@@ -201,7 +202,13 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c )
*/
c->prog_data.urb_read_length = (c->nr_inputs + 1) / 2;
- c->prog_data.urb_entry_size = (c->nr_outputs + 2 + 3) / 4;
+ /* The VS VUEs are shared by VF (outputting our inputs) and VS, so size
+ * them to fit the biggest thing they need to.
+ */
+ attributes_in_vue = MAX2(c->nr_outputs, c->nr_inputs);
+
+ c->prog_data.urb_entry_size = (attributes_in_vue + 2 + 3) / 4;
+
c->prog_data.total_grf = reg;
if (INTEL_DEBUG & DEBUG_VS) {