renderer: add base instance support for instanced arrays

fixes: arb_base_instance-drawarrays
10 years ago · 7710274294
parent c6dc6acf27
commit 7710274294
1 changed files with 2 additions and 0 deletions
--- a/src/vrend_renderer.c
+++ b/src/vrend_renderer.c
@ -2387,6 +2387,8 @@ void vrend_draw_vbo(struct vrend_context *ctx,
      GLenum mode = info->mode;
      if (info->instance_count <= 1)
         glDrawArrays(mode, info->start, info->count);
+      else if (info->start_instance)
+         glDrawArraysInstancedBaseInstance(mode, info->start, info->count, info->instance_count, info->start_instance);
      else
         glDrawArraysInstancedARB(mode, info->start, info->count, info->instance_count);
   } else {