[Mesa-dev] [PATCH 4/9] draw: Consider the geometry shader when choosing the vertex size.

[jfonseca at vmware.com]

From: José Fonseca <jfonseca at vmware.com>

A single vertex size is chosen for the whole pipeline. So the number of
geometry shader outputs must also be taken in consideration.
---
 .../auxiliary/draw/draw_pt_fetch_shade_pipeline.c  |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
index 27420f0..053ea7d 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
@@ -59,12 +59,11 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
    struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
    struct draw_context *draw = fpme->draw;
    struct draw_vertex_shader *vs = draw->vs.vertex_shader;
+   struct draw_geometry_shader *gs = draw->gs.geometry_shader;
    unsigned i;
    unsigned instance_id_index = ~0;
 
-   unsigned gs_out_prim = (draw->gs.geometry_shader ? 
-                           draw->gs.geometry_shader->output_primitive :
-                           prim);
+   unsigned gs_out_prim = (gs ? gs->output_primitive : prim);
 
    /* Add one to num_outputs because the pipeline occasionally tags on
     * an additional texcoord, eg for AA lines.
@@ -72,6 +71,10 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
    unsigned nr = MAX2( vs->info.num_inputs,
 		       vs->info.num_outputs + 1 );
 
+   if (gs) {
+      nr = MAX2(nr, gs->info.num_outputs + 1);
+   }
+
    /* Scan for instanceID system value.
     */
    for (i = 0; i < vs->info.num_inputs; i++) {
-- 
1.7.9.5