From: Paul Berry <stereotype441@gmail.com>
Date: Wed, 28 Aug 2013 03:51:31 +0000 (-0700)
Subject: vbo: Implement new gs prim types in vbo_count_tessellated_primitives.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2924b5f73bd9468e59da9bf53e88c314669a729f;p=mesa.git

vbo: Implement new gs prim types in vbo_count_tessellated_primitives.

Reviewed-by: Matt Turner <mattst88@gmail.com>
---

diff --git a/src/mesa/vbo/vbo_exec.c b/src/mesa/vbo/vbo_exec.c
index 9c20bdef296..aa2c7b07bbd 100644
--- a/src/mesa/vbo/vbo_exec.c
+++ b/src/mesa/vbo/vbo_exec.c
@@ -149,6 +149,18 @@ vbo_count_tessellated_primitives(GLenum mode, GLuint count,
    case GL_QUADS:
       num_primitives = (count / 4) * 2;
       break;
+   case GL_LINES_ADJACENCY:
+      num_primitives = count / 4;
+      break;
+   case GL_LINE_STRIP_ADJACENCY:
+      num_primitives = count >= 4 ? count - 3 : 0;
+      break;
+   case GL_TRIANGLES_ADJACENCY:
+      num_primitives = count / 6;
+      break;
+   case GL_TRIANGLE_STRIP_ADJACENCY:
+      num_primitives = count >= 6 ? (count - 4) / 2 : 0;
+      break;
    default:
       assert(!"Unexpected primitive type in count_tessellated_primitives");
       num_primitives = 0;