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authormarha <marha@users.sourceforge.net>2014-08-22 21:55:11 +0200
committermarha <marha@users.sourceforge.net>2014-08-22 21:55:11 +0200
commit6c0c95d6045d2d2b4e6a3a2f11457850031c57bc (patch)
tree32dfc45d688fa198bf0d41597e82589890012cf1 /mesalib/src/mesa/main/buffers.c
parentfdbedba4d50e1b28b0249c83ba11c029f096e400 (diff)
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fontconfig libxcb/xcb-proto mesa xkeyboard-config git update 22 Aug 2014
libxcb/xcb-proto commit 8e3db42d67a0035bb16d16da28bd5eea7a269178 xkeyboard-config commit 10fce2c2baae471795d069f3a5f1307eedb9ff0a fontconfig commit 286cdc9c10b0453c25950103b6a1f7170d15bfdc mesa commit 97d03b9366bfa55b27feb92aa5afacd9c5f6f421
Diffstat (limited to 'mesalib/src/mesa/main/buffers.c')
-rw-r--r--mesalib/src/mesa/main/buffers.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mesalib/src/mesa/main/buffers.c b/mesalib/src/mesa/main/buffers.c
index 140cf6e82..8a0852c42 100644
--- a/mesalib/src/mesa/main/buffers.c
+++ b/mesalib/src/mesa/main/buffers.c
@@ -498,7 +498,7 @@ _mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
* (ex: glDrawBuffer(GL_FRONT_AND_BACK)).
* Otherwise, destMask[x] can only have one bit set.
*/
- if (_mesa_bitcount(destMask[0]) > 1) {
+ if (n > 0 && _mesa_bitcount(destMask[0]) > 1) {
GLuint count = 0, destMask0 = destMask[0];
while (destMask0) {
GLint bufIndex = ffs(destMask0) - 1;