i965: Allocate vec4_visitor's uniform_size and uniform_vector_size arrays dynamically.

v2: Don't add function parameters, pass the required size in
prog_data->nr_params.

v3:
- Use the name uniform_array_size instead of uniform_param_count.
- Round up when dividing param_count by 4.
- Use MAX2() instead of taking the maximum by hand.
- Don't crash if prog_data passed to vec4_visitor constructor is NULL

v4: Rebase for current master

v5 (idr): Trivial whitespace change.

Signed-off-by: Petri Latvala <petri.latvala@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71254
Cc: "10.1" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
index d3dbc8e..d98f195 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.c
+++ b/src/mesa/drivers/dri/i965/brw_vs.c
@@ -236,6 +236,15 @@ do_vs_prog(struct brw_context *brw,
    stage_prog_data->param = rzalloc_array(NULL, const float *, param_count);
    stage_prog_data->pull_param = rzalloc_array(NULL, const float *, param_count);
 
+   /* Setting nr_params here NOT to the size of the param and pull_param
+    * arrays, but to the number of uniform components vec4_visitor
+    * needs. vec4_visitor::setup_uniforms() will set it back to a proper value.
+    */
+   stage_prog_data->nr_params = ALIGN(param_count, 4) / 4;
+   if (vs) {
+      stage_prog_data->nr_params += vs->num_samplers;
+   }
+
    GLbitfield64 outputs_written = vp->program.Base.OutputsWritten;
    prog_data.inputs_read = vp->program.Base.InputsRead;