[Piglit] [PATCH 1/2] piglit-util-gl: add support for using patches with fixed function attributes

[Timothy Arceri]

---
 tests/util/piglit-util-gl.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/tests/util/piglit-util-gl.c b/tests/util/piglit-util-gl.c
index 2443be03e..ebd57d77b 100644
--- a/tests/util/piglit-util-gl.c
+++ b/tests/util/piglit-util-gl.c
@@ -684,10 +684,22 @@ piglit_draw_rect_from_arrays(const void *verts, const 
void *tex,
                        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
                }
 
-               if (instance_count > 1)
-                       glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, 
instance_count);
-               else
-                       glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+               if (use_patches) {
+                       GLint old_patch_vertices;
+
+                       glGetIntegerv(GL_PATCH_VERTICES, &old_patch_vertices);
+                       glPatchParameteri(GL_PATCH_VERTICES, 4);
+                       if (instance_count > 1)
+                               glDrawArraysInstanced(GL_PATCHES, 0, 4, 
instance_count);
+                       else
+                               glDrawArrays(GL_PATCHES, 0, 4);
+                       glPatchParameteri(GL_PATCH_VERTICES, 
old_patch_vertices);
+               } else {
+                       if (instance_count > 1)
+                               glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, 
instance_count);
+                       else
+                               glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+               }
 
                if (verts)
                        glDisableClientState(GL_VERTEX_ARRAY);
-- 
2.17.0

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