virgl: Work around old virglrenderer's BARRIER counting bug.
One less regression from doing nir-to-tgsi on CI's virglrenderer. Reviewed-by: Gert Wollny <gert.wollny@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15014>
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@ -552,6 +552,13 @@ int virgl_encode_shader_state(struct virgl_context *ctx,
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if (virgl_debug & VIRGL_DEBUG_TGSI)
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debug_printf("TGSI:\n---8<---\n%s\n---8<---\n", str);
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/* virglrenderer before addbd9c5058dcc9d561b20ab747aed58c53499da mis-counts
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* the tokens needed for a BARRIER, so ask it to allocate some more space.
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*/
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const char *barrier = str;
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while ((barrier = strstr(barrier + 1, "BARRIER")))
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num_tokens++;
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shader_len = strlen(str) + 1;
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left_bytes = shader_len;
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