dri_interface.h: define __DRI_ATTRIB_MAX

Thus we can use the value to explicitly size arrays, instead of
__DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE + 1.

The latter seems magical and is error prone, as we add more dri
attributes.

v2: Fix off by one error (Tomasz)

Cc: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>

diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 86efd1b..c83056a 100644 (file)
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -702,6 +702,7 @@ struct __DRIuseInvalidateExtensionRec {
 #define __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS   46
 #define __DRI_ATTRIB_YINVERTED                 47
 #define __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE  48
+#define __DRI_ATTRIB_MAX                       (__DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE + 1)
 
 /* __DRI_ATTRIB_RENDER_TYPE */
 #define __DRI_ATTRIB_RGBA_BIT                  0x01