Mesa (master): st/mesa: support for primitive restart

[Brian Paul]

Module: Mesa
Branch: master
Commit: 053875a8b193481a7b1c209d9adf9d3d85788884
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=053875a8b193481a7b1c209d9adf9d3d85788884

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Oct 21 19:03:38 2010 -0600

st/mesa: support for primitive restart

---

 src/mesa/state_tracker/st_draw.c       |    3 +++
 src/mesa/state_tracker/st_extensions.c |    4 ++++
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index f6f5bb1..5387499 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -703,6 +703,9 @@ st_draw_vbo(struct gl_context *ctx,
       }
    }
 
+   info.primitive_restart = st->ctx->Array.PrimitiveRestart;
+   info.restart_index = st->ctx->Array.RestartIndex;
+
    /* do actual drawing */
    for (i = 0; i < nr_prims; i++) {
       info.mode = translate_prim( ctx, prims[i].mode );
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 96e4efc..2720f44 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -432,6 +432,10 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
    }
 
+   if (screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) {
+      ctx->Extensions.NV_primitive_restart = GL_TRUE;
+   }
+
    if (screen->get_param(screen, PIPE_CAP_DEPTH_CLAMP)) {
       ctx->Extensions.ARB_depth_clamp = GL_TRUE;
    }