Mesa (master): i965/gen7: Fix segfault in transform feedback to DYNAMIC_DRAW buffers.
Eric Anholt
anholt at kemper.freedesktop.org
Wed Jan 11 20:06:48 UTC 2012
Module: Mesa
Branch: master
Commit: ba6f4c9ee2294de66977d292972d47355fa58be0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ba6f4c9ee2294de66977d292972d47355fa58be0
Author: Eric Anholt <eric at anholt.net>
Date: Mon Jan 2 14:03:59 2012 -0800
i965/gen7: Fix segfault in transform feedback to DYNAMIC_DRAW buffers.
Fixes piglit EXT_transform_feedback/buffer-usage.
---
src/mesa/drivers/dri/i965/gen7_sol_state.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/gen7_sol_state.c b/src/mesa/drivers/dri/i965/gen7_sol_state.c
index 04783ec..110c166 100644
--- a/src/mesa/drivers/dri/i965/gen7_sol_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_sol_state.c
@@ -53,7 +53,8 @@ upload_3dstate_so_buffers(struct brw_context *brw)
* gl_transform_feedback_object.
*/
for (i = 0; i < 4; i++) {
- struct gl_buffer_object *bufferobj = xfb_obj->Buffers[i];
+ struct intel_buffer_object *bufferobj =
+ intel_buffer_object(xfb_obj->Buffers[i]);
drm_intel_bo *bo;
uint32_t start, end;
uint32_t stride;
@@ -72,7 +73,7 @@ upload_3dstate_so_buffers(struct brw_context *brw)
continue;
}
- bo = intel_buffer_object(bufferobj)->buffer;
+ bo = intel_bufferobj_buffer(intel, bufferobj, INTEL_WRITE_PART);
stride = linked_xfb_info->BufferStride[i] * 4;
start = xfb_obj->Offset[i];
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