vbo: support for primitive restart

We handle splitting of glDrawArrays() calls into two primitives here
so that drivers don't have to worry about it.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c
index 8d66e14ab3..19c4b15d5f 100644
--- a/src/mesa/vbo/vbo_save_api.c
+++ b/src/mesa/vbo/vbo_save_api.c
@@ -896,6 +896,18 @@ static void GLAPIENTRY _save_Begin( GLenum mode )
 }
 
 
+static void GLAPIENTRY _save_PrimitiveRestartNV( void )
+{
+   GLenum curPrim;
+   GET_CURRENT_CONTEXT( ctx ); 
+
+   curPrim = ctx->Driver.CurrentSavePrimitive;
+
+   _save_End();
+   _save_Begin(curPrim);
+}
+
+
 /* Unlike the functions above, these are to be hooked into the vtxfmt
  * maintained in ctx->ListState, active when the list is known or
  * suspected to be outside any begin/end primitive.
@@ -1003,6 +1015,7 @@ static void _save_vtxfmt_init( struct gl_context *ctx )
    vfmt->Color4fv = _save_Color4fv;
    vfmt->EdgeFlag = _save_EdgeFlag;
    vfmt->End = _save_End;
+   vfmt->PrimitiveRestartNV = _save_PrimitiveRestartNV;
    vfmt->FogCoordfEXT = _save_FogCoordfEXT;
    vfmt->FogCoordfvEXT = _save_FogCoordfvEXT;
    vfmt->Indexf = _save_Indexf;