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authorDave Airlie <[email protected]>2012-02-09 19:44:55 +0000
committerDave Airlie <[email protected]>2012-02-28 10:33:06 +0000
commit72931ca4b9fb1002f5b62b74f7f7f32e94e80fde (patch)
treea89a196857875c1e04fdfbe9a4d9ef23b5d82e34 /src/mesa
parentfd4a3d463c103192311aacc04f5f871f4a1035df (diff)
st/mesa: don't unreference user attribs up front.
postpone unreferences until end of function, as the ones in use will get naturally dereferenced. Reviewed-by: Brian Paul <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/state_tracker/st_draw.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index c0554cfc70a..c4b2caccdc3 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -905,6 +905,7 @@ st_validate_varrays(struct gl_context *ctx,
unsigned num_vbuffers, num_velements;
GLuint attr;
unsigned i;
+ unsigned old_num_user_attribs;
/* must get these after state validation! */
vp = st->vp;
@@ -913,9 +914,7 @@ st_validate_varrays(struct gl_context *ctx,
memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs);
/* Unreference any user vertex buffers. */
- for (i = 0; i < st->num_user_attribs; i++) {
- pipe_resource_reference(&st->user_attrib[i].buffer, NULL);
- }
+ old_num_user_attribs = st->num_user_attribs;
st->num_user_attribs = 0;
/*
@@ -954,6 +953,10 @@ st_validate_varrays(struct gl_context *ctx,
assert(!vbuffer[attr].buffer);
}
+ for (i = old_num_user_attribs; i < st->num_user_attribs; i++) {
+ pipe_resource_reference(&st->user_attrib[i].buffer, NULL);
+ }
+
return GL_TRUE;
}