[Bug 107579] [SNB] The graphic corruption when we reuse the GS compiled and used for TFB when statebuffer contain magic trash in the unused space

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107579

--- Comment #6 from asimiklit <andrey.simiklit at gmail.com> ---
Created attachment 141111
  --> https://bugs.freedesktop.org/attachment.cgi?id=141111&action=edit
The apitrace which cause to the graphical corruption

The following code could help us to show state buffer before send (last 3 byte
could be missing but i think they is do not matter):

--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -750,6 +750,19 @@ submit_batch(struct brw_context *brw, int in_fence_fd, int
*out_fence_fd)
       memcpy(bo_map, batch->state.map, batch->state_used);
    }

+      fprintf(stderr, "=================================================\n");
+      if(batch->state.map)
+      {
+        uint32_t * data = (uint32_t *)batch->state.map;
+        const size_t s = batch->state_used / 4;
+        for(size_t i = 0u; i < s; ++i)
+        {
+           fprintf(stderr, "0x%08x : 0x%08x\n", (uint32_t)(i*4), data[i]);
+        }
+      }
+      fprintf(stderr, "=================================================\n");
+
+
    brw_bo_unmap(batch->batch.bo);
    brw_bo_unmap(batch->state.bo);

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