[Mesa-dev] [PATCH] st/mesa: enable OES_texture_buffer when all components available

[Ilia Mirkin]

OES_texture_buffer combines bits from a number of desktop extensions.
When they're all available, turn it on.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/mesa/state_tracker/st_extensions.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index e26f13d..c0939c0 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -1033,6 +1033,12 @@ void st_init_extensions(struct pipe_screen *screen,
                              PIPE_BIND_SAMPLER_VIEW);
    }
 
+   extensions->OES_texture_buffer =
+      extensions->ARB_texture_buffer_object &&
+      extensions->ARB_texture_buffer_range &&
+      extensions->ARB_texture_buffer_object_rgb32 &&
+      extensions->ARB_shader_image_load_store;
+
    /* Unpacking a varying in the fragment shader costs 1 texture indirection.
     * If the number of available texture indirections is very limited, then we
     * prefer to disable varying packing rather than run the risk of varying
-- 
2.7.3