st/mesa: implement EXT_transform_feedback and ARB_transform_feedback2

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 04d3ef60f51..b83c561651d 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -367,6 +367,12 @@ st_translate_vertex_program(struct st_context *st,
 
    ureg_destroy( ureg );
 
+   if (stvp->glsl_to_tgsi) {
+      st_translate_stream_output_info(stvp->glsl_to_tgsi,
+                                      stvp->result_to_output,
+                                      &vpv->tgsi.stream_output);
+   }
+
    vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->tgsi);
 
    if (ST_DEBUG & DEBUG_TGSI) {
@@ -994,6 +1000,12 @@ st_translate_geometry_program(struct st_context *st,
    stgp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
    ureg_destroy( ureg );
 
+   if (stgp->glsl_to_tgsi) {
+      st_translate_stream_output_info(stgp->glsl_to_tgsi,
+                                      outputMapping,
+                                      &stgp->tgsi.stream_output);
+   }
+
    /* fill in new variant */
    gpv->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi);
    gpv->key = *key;