aboutsummaryrefslogtreecommitdiff
path: root/debian/patches/120_nxagent_libcairo-null-source-drawables.full.patch
blob: 66af325bdeaedc29ce248a9d7af2e9b088259785 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
--- a/nx-X11/programs/Xserver/hw/nxagent/Render.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Render.c
@@ -995,6 +995,36 @@
   #endif
 }
 
+
+int nxagentShouldDeferComposite(PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst)
+{
+
+int drawableDst;
+int linkDeferred;
+int unSyncedSrcMask;
+
+	drawableDst      =  ( nxagentRenderVersionMajor == 0 &&
+	                      nxagentRenderVersionMinor == 8 &&
+		              (pDst) -> pDrawable -> type == DRAWABLE_PIXMAP
+                            );
+
+	linkDeferred     =  ( nxagentOption(DeferLevel) >= 2 &&
+                              nxagentOption(LinkType) < LINK_TYPE_ADSL
+                            );
+
+	unSyncedSrcMask  =  ( nxagentOption(DeferLevel) == 1 &&
+                              (pDst) -> pDrawable -> type == DRAWABLE_PIXMAP &&
+                              (
+			       (pSrc -> pDrawable && (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)) ||
+	                       ((pMask) && pMask -> pDrawable && (nxagentDrawableStatus((pMask) -> pDrawable) == NotSynchronized))
+			      )
+			    );
+
+
+	return drawableDst || linkDeferred || unSyncedSrcMask;
+}
+
+
 void nxagentComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
                           INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, INT16 xDst,
                               INT16 yDst, CARD16 width, CARD16 height)
@@ -1036,8 +1066,8 @@
   }
 
   #endif
-
-  if (NXAGENT_SHOULD_DEFER_COMPOSITE(pSrc, pMask, pDst))
+  /* if (NXAGENT_SHOULD_DEFER_COMPOSITE(pSrc, pMask, pDst)) */
+  if (nxagentShouldDeferComposite(pSrc, pMask, pDst))
   {
     pDstRegion = nxagentCreateRegion(pDst -> pDrawable, NULL, xDst, yDst, width, height);
 
@@ -1095,7 +1125,8 @@
     }
   }
 
-  if (pMask != NULL && pMask -> pDrawable != pSrc -> pDrawable &&
+  if ((pMask) && (pMask->pDrawable) &&
+          pMask -> pDrawable != pSrc -> pDrawable &&
           pMask -> pDrawable != pDst -> pDrawable)
   {
     nxagentSynchronizeShmPixmap(pMask -> pDrawable, xMask, yMask, width, height);
@@ -1259,7 +1290,7 @@
    * on the real X server.
    */
 
-  if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+  if (pSrc -> pDrawable && (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized))
   {
     #ifdef TEST
     fprintf(stderr, "nxagentGlyphs: Synchronizing source [%s] at [%p].\n",
@@ -1302,14 +1333,15 @@
       nxagentSynchronizeBox(pSrc -> pDrawable, &glyphBox, NEVER_BREAK);
     }
 
-    if (pSrc -> pDrawable -> type == DRAWABLE_PIXMAP)
+    if (pSrc -> pDrawable && (pSrc -> pDrawable -> type == DRAWABLE_PIXMAP))
     {
       nxagentIncreasePixmapUsageCounter((PixmapPtr) pSrc -> pDrawable);
     }
   }
 
-  if (pSrc -> pDrawable != pDst -> pDrawable &&
-          nxagentDrawableStatus(pDst -> pDrawable) == NotSynchronized)
+
+  if (pSrc -> pDrawable && (pSrc -> pDrawable != pDst -> pDrawable &&
+          nxagentDrawableStatus(pDst -> pDrawable) == NotSynchronized))
   {
     #ifdef TEST
     fprintf(stderr, "nxagentGlyphs: Synchronizing destination [%s] at [%p].\n",
@@ -1749,7 +1781,9 @@
     return;
   }
 
-  if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+  /* the following blocks need fixing to ignore null values of pDrawable */
+
+  if (pSrc -> pDrawable && (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized))
   {
     #ifdef TEST
     fprintf(stderr, "nxagentTrapezoids: Going to synchronize the source drawable at [%p].\n",
@@ -1843,7 +1877,9 @@
    * operation like nxagentTrapezoids() does.
    */
 
-  if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+
+
+  if (pSrc -> pDrawable && (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized))
   {
     #ifdef TEST
     fprintf(stderr, "nxagentTriangles: Going to synchronize the source drawable at [%p].\n",
@@ -1920,7 +1956,8 @@
    * operation like nxagentTrapezoids() does.
    */
 
-  if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+
+  if (pSrc -> pDrawable && (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized))
   {
     #ifdef TEST
     fprintf(stderr, "nxagentTriStrip: Going to synchronize the source drawable at [%p].\n",
@@ -1997,7 +2034,8 @@
    * operation like nxagentTrapezoids() does.
    */
 
-  if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+
+  if (pSrc -> pDrawable && (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized))
   {
     #ifdef TEST
     fprintf(stderr, "nxagentTriFan: Going to synchronize the source drawable at [%p].\n",