summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorYuanhan Liu <[email protected]>2011-09-19 18:25:55 +0800
committerBrian Paul <[email protected]>2011-09-19 08:22:18 -0600
commit099af9e9dfb4afa0283b0a86dc53b354a5a16ec1 (patch)
treea6ea9cf5df18776e1fcd9ba5a57eeecf2c94e5fd
parent386ec5e80e34e1164d749eee2078f2dfc8ff2b57 (diff)
mesa: fix error handling for glMapBufferRange
Accroding the man page, GL_INVALID_VALUE would generated if access has any bits set other than those valid defined bits. Signed-off-by: Yuanhan Liu <[email protected]> Signed-off-by: Brian Paul <[email protected]>
-rw-r--r--src/mesa/main/bufferobj.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index a303401748c..99edb1adeaa 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1376,6 +1376,17 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
return NULL;
}
+ if (access & ~(GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_INVALIDATE_BUFFER_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT)) {
+ /* generate an error if any undefind bit is set */
+ _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)");
+ return NULL;
+ }
+
if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(access indicates neither read or write)");