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-rw-r--r--src/mesa/drivers/dri/i915tex/intel_context.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.c b/src/mesa/drivers/dri/i915tex/intel_context.c
index aa76875a4a..a5ce08b170 100644
--- a/src/mesa/drivers/dri/i915tex/intel_context.c
+++ b/src/mesa/drivers/dri/i915tex/intel_context.c
@@ -643,7 +643,9 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
if (sarea->width != intel->width ||
sarea->height != intel->height ||
sarea->rotation != intel->current_rotation) {
-
+
+ void *batchMap = intel->batch->map;
+
/*
* FIXME: Really only need to do this when drawing to a
* common back- or front buffer.
@@ -653,9 +655,18 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
* This will drop the outstanding batchbuffer on the floor
*/
- driBOUnmap(intel->batch->buffer);
+ if (batchMap != NULL) {
+ driBOUnmap(intel->batch->buffer);
+ intel->batch->map = NULL;
+ }
+
intel_batchbuffer_reset(intel->batch);
+ if (batchMap == NULL) {
+ driBOUnmap(intel->batch->buffer);
+ intel->batch->map = NULL;
+ }
+
/* lose all primitives */
intel->prim.primitive = ~0;
intel->prim.start_ptr = 0;