Blame SOURCES/0001-worst-hack-of-all-time-to-qxl-driver.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Dave Airlie <airlied@redhat.com>
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Date: Tue, 26 Nov 2013 10:45:26 +1000
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Subject: [PATCH] worst hack of all time to qxl driver
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---
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 src/qxl_surface.c | 30 ++++++++++++++++++++++++++++--
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 1 file changed, 28 insertions(+), 2 deletions(-)
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diff --git a/src/qxl_surface.c b/src/qxl_surface.c
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index 6a7e275..bb59f9e 100644
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--- a/src/qxl_surface.c
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+++ b/src/qxl_surface.c
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@@ -770,8 +770,9 @@ qxl_surface_composite (qxl_surface_t *dest,
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       qxl->bo_funcs->bo_decref(qxl, derefs[i]);
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 }
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-Bool
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-qxl_surface_put_image (qxl_surface_t *dest,
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+
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+static Bool
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+qxl_surface_put_image_for_reals (qxl_surface_t *dest,
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 		       int x, int y, int width, int height,
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 		       const char *src, int src_pitch)
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 {
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@@ -814,6 +815,31 @@ qxl_surface_put_image (qxl_surface_t *dest,
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     return TRUE;
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 }
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+#define HACK_THE_PLANET 1
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+Bool
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+qxl_surface_put_image (qxl_surface_t *dest,
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+		       int x, int y, int width, int height,
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+		       const char *src, int src_pitch)
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+{
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+#ifdef HACK_THE_PLANET
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+    Bool use_hack = FALSE;
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+
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+    /* worst heuristic ever - should really block the gnome-shell issue for now */
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+    if (width == pixman_image_get_width(dest->host_image) && height < pixman_image_get_height(dest->host_image))
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+        use_hack = TRUE;
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+
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+    if (use_hack) {
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+        int gross = rand() % height;
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+        int h2 = height - gross;
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+        if (gross > 0)
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+            qxl_surface_put_image_for_reals(dest, x, y, width, gross, src, src_pitch);
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+        qxl_surface_put_image_for_reals(dest, x, y + gross, width, h2, src + (gross * src_pitch), src_pitch);
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+        return TRUE;
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+    } else
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+#endif
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+    return qxl_surface_put_image_for_reals(dest, x, y, width, height, src, src_pitch);
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+}
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+
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 void
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 qxl_get_formats (int bpp, SpiceSurfaceFmt *format, pixman_format_code_t *pformat)
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 {