v3d: Use combined input/output segments.

[mesa.git] / src / broadcom / compiler / vir.c

diff --git a/src/broadcom/compiler/vir.c b/src/broadcom/compiler/vir.c
index a52205b1a2a98c84b6769ceddaf245a6b3951fd9..518aace991a911b6c22592faa846dddbf74a430a 100644 (file)
--- a/src/broadcom/compiler/vir.c
+++ b/src/broadcom/compiler/vir.c
@@ -789,6 +789,14 @@ uint64_t *v3d_compile_vs(const struct v3d_compiler *compiler,
         prog_data->vpm_input_size = align(prog_data->vpm_input_size, 8) / 8;
         prog_data->vpm_output_size = align(c->num_vpm_writes, 8) / 8;
 
+        /* Set us up for shared input/output segments.  This is apparently
+         * necessary for our VCM setup to avoid varying corruption.
+         */
+        prog_data->separate_segments = false;
+        prog_data->vpm_output_size = MAX2(prog_data->vpm_output_size,
+                                          prog_data->vpm_input_size);
+        prog_data->vpm_input_size = 0;
+
         /* Compute VCM cache size.  We set up our program to take up less than
          * half of the VPM, so that any set of bin and render programs won't
          * run out of space.  We need space for at least one input segment,