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svga: Fix the index buffer rebind regression

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The index buffer handle saved in the hw_state structure could
be invalid after the index buffer is destroyed. Instead of
rebinding the index buffer using the saved index buffer handle,
we will reset the index buffer handle in the hw_state structure
to force resending of the index buffer.

Fixes bug 1593320

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Charmaine Lee
2016-01-26 11:12:09 -08:00
committed by Brian Paul
parent 47856e5945
commit f8aaf0094d
1 changed files with 2 additions and 7 deletions
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src/gallium/drivers/svga/svga_draw.c
+2 -7
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@@ -464,13 +464,8 @@ draw_vgpu10(struct svga_hwtnl *hwtnl,
if (ret != PIPE_OK)
return ret;
/* Rebind index buffer */
if (svga->state.hw_draw.ib) {
struct svga_winsys_context *swc = svga->swc;
ret = swc->resource_rebind(swc, svga->state.hw_draw.ib, NULL, SVGA_RELOC_READ);
if (ret != PIPE_OK)
return ret;
}
/* Force rebinding the index buffer when needed */
svga->state.hw_draw.ib = NULL;
}
ret = validate_sampler_resources(svga);