summaryrefslogtreecommitdiffstats
path: root/src/mesa/swrast/s_blend.c
diff options
context:
space:
mode:
authorBrian Paul <[email protected]>2005-09-16 21:15:27 +0000
committerBrian Paul <[email protected]>2005-09-16 21:15:27 +0000
commit67074332728acba86da7630353673b458713bb8a (patch)
treeee17b8b91b16ef04df684157d2b25983373268e7 /src/mesa/swrast/s_blend.c
parent82e314252f0b706c3ae1c748e9d64d8fa58812db (diff)
Fix potential segfault when trying to read pixels outside renderbuffer bounds.
Use _swrast_get_values() which does clipping.
Diffstat (limited to 'src/mesa/swrast/s_blend.c')
-rw-r--r--src/mesa/swrast/s_blend.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_blend.c b/src/mesa/swrast/s_blend.c
index d34ecacbb23..d94ff3923cf 100644
--- a/src/mesa/swrast/s_blend.c
+++ b/src/mesa/swrast/s_blend.c
@@ -858,8 +858,8 @@ _swrast_blend_span(GLcontext *ctx, struct gl_renderbuffer *rb,
/* Read span of current frame buffer pixels */
if (span->arrayMask & SPAN_XY) {
/* array of x/y pixel coords */
- rb->GetValues(ctx, rb, span->end, span->array->x, span->array->y,
- framebuffer);
+ _swrast_get_values(ctx, rb, span->end, span->array->x, span->array->y,
+ framebuffer, 4 * sizeof(GLchan));
}
else {
/* horizontal run of pixels */