[Bug 74882] [ilk] Corrupted glyph rendering of Stylish entry in Firefox Add-ons tab

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74882

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
That's a little scary. How about

diff --git a/src/sna/gen5_render.c b/src/sna/gen5_render.c
index a9db697..0755fd2 100644
--- a/src/sna/gen5_render.c
+++ b/src/sna/gen5_render.c
@@ -54,7 +54,7 @@
 #define DBG_NO_STATE_CACHE 0
 #define DBG_NO_SURFACE_CACHE 0

-#define ALWAYS_FLUSH 0
+#define ALWAYS_FLUSH 1

 #define MAX_3D_SIZE 8192

@@ -1049,7 +1049,7 @@ gen5_emit_state(struct sna *sna,
        }
        gen5_emit_vertex_elements(sna, op);

-       if (kgem_bo_is_dirty(op->src.bo) || kgem_bo_is_dirty(op->mask.bo)) {
+       if (ALWAYS_FLUSH || kgem_bo_is_dirty(op->src.bo) ||
kgem_bo_is_dirty(op->mask.bo)) {
                DBG(("%s: flushing dirty (%d, %d)\n", __FUNCTION__,
                     kgem_bo_is_dirty(op->src.bo),
                     kgem_bo_is_dirty(op->mask.bo)));
@@ -1058,7 +1058,7 @@ gen5_emit_state(struct sna *sna,
                kgem_bo_mark_dirty(op->dst.bo);
                flush = false;
        }
-       if (flush || ALWAYS_FLUSH) {
+       if (flush) {
                DBG(("%s: forcing flush\n", __FUNCTION__));
                gen5_emit_pipe_flush(sna);

instead?

i.e. enable ALWAYS_FLUSH and use it to force the full flush rather than the
pipeline flush.

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