[PATCH 4/7] glamor: Use GL_EXT_map_buffer_range if present.

[Eric Anholt]

We were only looking for the desktop GL version of the extension, so
GLES2 missed out.

Signed-off-by: Eric Anholt <eric at anholt.net>
---
 glamor/glamor.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/glamor/glamor.c b/glamor/glamor.c
index 0378388..935fb74 100644
--- a/glamor/glamor.c
+++ b/glamor/glamor.c
@@ -454,7 +454,8 @@ glamor_init(ScreenPtr screen, unsigned int flags)
     glamor_priv->has_fbo_blit =
         epoxy_has_gl_extension("GL_EXT_framebuffer_blit");
     glamor_priv->has_map_buffer_range =
-        epoxy_has_gl_extension("GL_ARB_map_buffer_range");
+        epoxy_has_gl_extension("GL_ARB_map_buffer_range") ||
+        epoxy_has_gl_extension("GL_EXT_map_buffer_range");
     glamor_priv->has_buffer_storage =
         epoxy_has_gl_extension("GL_ARB_buffer_storage");
     glamor_priv->has_nv_texture_barrier =
-- 
2.1.4