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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-02-14 11:11:23 +0100
committerThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-02-14 11:11:37 +0100
commitbc82b44db9dbb6ea0f02c2a9a430e8d402c85bd3 (patch)
tree1de309022f75ae2dad3d56cc9d7ba410da6116dc /src/mesa/drivers/dri/i915tex
parent1e6688742e6a6e11d002c1fce5dca3da3d58594f (diff)
i915tex: Take into account various mapping states when dropping the
batch buffer after a resolution / rotation switch.
Diffstat (limited to 'src/mesa/drivers/dri/i915tex')
-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;