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authorBrian Paul <[email protected]>2013-10-11 09:20:56 -0600
committerBrian Paul <[email protected]>2013-10-11 17:07:44 -0600
commit6f1b5052ec0de0f5ed6dd17adeb9639a4cff5c05 (patch)
tree189c6105306c661fc65a6595f720d6368fadcfac /src/mesa/main
parent3710b658237d8417167659239be42e23878a0953 (diff)
mesa: add comment to clarify ctx->Driver.MapBufferRange() return value
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/dd.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 0806e41a021..29469ce3314 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -575,7 +575,8 @@ struct dd_function_table {
GLintptr readOffset, GLintptr writeOffset,
GLsizeiptr size );
- /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
+ /* Returns pointer to the start of the mapped range.
+ * May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
*/
void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
GLsizeiptr length, GLbitfield access,