| 1 | /*
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| 2 | *
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| 3 | * Copyright (C) 2000 Keith Packard, member of The XFree86 Project, Inc.
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| 4 | * 2005 Zack Rusin, Trolltech
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| 5 | *
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| 6 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 7 | * documentation for any purpose is hereby granted without fee, provided that
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| 8 | * the above copyright notice appear in all copies and that both that
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| 9 | * copyright notice and this permission notice appear in supporting
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| 10 | * documentation, and that the name of Keith Packard not be used in
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| 11 | * advertising or publicity pertaining to distribution of the software without
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| 12 | * specific, written prior permission. Keith Packard makes no
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| 13 | * representations about the suitability of this software for any purpose. It
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| 14 | * is provided "as is" without express or implied warranty.
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| 15 | *
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| 16 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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| 17 | * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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| 18 | * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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| 19 | * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| 20 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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| 21 | * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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| 22 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 23 | * SOFTWARE.
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| 24 | */
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| 25 |
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| 26 | #ifndef EXAPRIV_H
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| 27 | #define EXAPRIV_H
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| 28 |
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| 29 | #ifdef HAVE_DIX_CONFIG_H
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| 30 | #include <dix-config.h>
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| 31 | #endif
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| 32 |
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| 33 | #include "exa.h"
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| 34 |
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| 35 | #include <X11/X.h>
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| 36 | #define NEED_EVENTS
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| 37 | #include <X11/Xproto.h>
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| 38 | #ifdef MITSHM
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| 39 | #include "shmint.h"
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| 40 | #endif
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| 41 | #include "scrnintstr.h"
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| 42 | #include "pixmapstr.h"
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| 43 | #include "windowstr.h"
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| 44 | #include "servermd.h"
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| 45 | #include "mibstore.h"
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| 46 | #include "colormapst.h"
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| 47 | #include "gcstruct.h"
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| 48 | #include "input.h"
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| 49 | #include "mipointer.h"
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| 50 | #include "mi.h"
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| 51 | #include "dix.h"
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| 52 | #include "fb.h"
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| 53 | #include "fboverlay.h"
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| 54 | #ifdef RENDER
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| 55 | #include "fbpict.h"
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| 56 | #include "glyphstr.h"
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| 57 | #endif
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| 58 | #include "damage.h"
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| 59 |
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| 60 | #define DEBUG_TRACE_FALL 0
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| 61 | #define DEBUG_MIGRATE 0
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| 62 | #define DEBUG_PIXMAP 0
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| 63 | #define DEBUG_OFFSCREEN 0
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| 64 | #define DEBUG_GLYPH_CACHE 0
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| 65 |
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| 66 | #if DEBUG_TRACE_FALL
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| 67 | #define EXA_FALLBACK(x) \
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| 68 | do { \
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| 69 | ErrorF("EXA fallback at %s: ", __FUNCTION__); \
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| 70 | ErrorF x; \
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| 71 | } while (0)
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| 72 |
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| 73 | char
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| 74 | exaDrawableLocation(DrawablePtr pDrawable);
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| 75 | #else
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| 76 | #define EXA_FALLBACK(x)
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| 77 | #endif
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| 78 |
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| 79 | #if DEBUG_PIXMAP
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| 80 | #define DBG_PIXMAP(a) ErrorF a
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| 81 | #else
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| 82 | #define DBG_PIXMAP(a)
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| 83 | #endif
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| 84 |
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| 85 | #ifndef EXA_MAX_FB
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| 86 | #define EXA_MAX_FB FB_OVERLAY_MAX
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| 87 | #endif
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| 88 |
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| 89 | /**
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| 90 | * This is the list of migration heuristics supported by EXA. See
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| 91 | * exaDoMigration() for what their implementations do.
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| 92 | */
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| 93 | enum ExaMigrationHeuristic {
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| 94 | ExaMigrationGreedy,
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| 95 | ExaMigrationAlways,
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| 96 | ExaMigrationSmart
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| 97 | };
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| 98 |
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| 99 | typedef struct {
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| 100 | unsigned char sha1[20];
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| 101 | } ExaCachedGlyphRec, *ExaCachedGlyphPtr;
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| 102 |
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| 103 | typedef struct {
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| 104 | /* The identity of the cache, statically configured at initialization */
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| 105 | unsigned int format;
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| 106 | int glyphWidth;
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| 107 | int glyphHeight;
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| 108 |
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| 109 | int size; /* Size of cache; eventually this should be dynamically determined */
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| 110 |
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| 111 | /* Hash table mapping from glyph sha1 to position in the glyph; we use
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| 112 | * open addressing with a hash table size determined based on size and large
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| 113 | * enough so that we always have a good amount of free space, so we can
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| 114 | * use linear probing. (Linear probing is preferrable to double hashing
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| 115 | * here because it allows us to easily remove entries.)
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| 116 | */
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| 117 | int *hashEntries;
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| 118 | int hashSize;
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| 119 |
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| 120 | ExaCachedGlyphPtr glyphs;
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| 121 | int glyphCount; /* Current number of glyphs */
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| 122 |
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| 123 | PicturePtr picture; /* Where the glyphs of the cache are stored */
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| 124 | int yOffset; /* y location within the picture where the cache starts */
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| 125 | int columns; /* Number of columns the glyphs are layed out in */
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| 126 | int evictionPosition; /* Next random position to evict a glyph */
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| 127 | } ExaGlyphCacheRec, *ExaGlyphCachePtr;
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| 128 |
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| 129 | #define EXA_NUM_GLYPH_CACHES 4
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| 130 |
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| 131 | typedef void (*EnableDisableFBAccessProcPtr)(int, Bool);
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| 132 | typedef struct {
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| 133 | ExaDriverPtr info;
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| 134 | CreateGCProcPtr SavedCreateGC;
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| 135 | CloseScreenProcPtr SavedCloseScreen;
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| 136 | GetImageProcPtr SavedGetImage;
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| 137 | GetSpansProcPtr SavedGetSpans;
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| 138 | CreatePixmapProcPtr SavedCreatePixmap;
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| 139 | DestroyPixmapProcPtr SavedDestroyPixmap;
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| 140 | CopyWindowProcPtr SavedCopyWindow;
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| 141 | ChangeWindowAttributesProcPtr SavedChangeWindowAttributes;
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| 142 | BitmapToRegionProcPtr SavedBitmapToRegion;
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| 143 | CreateScreenResourcesProcPtr SavedCreateScreenResources;
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| 144 | ModifyPixmapHeaderProcPtr SavedModifyPixmapHeader;
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| 145 | #ifdef RENDER
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| 146 | CompositeProcPtr SavedComposite;
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| 147 | TrianglesProcPtr SavedTriangles;
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| 148 | GlyphsProcPtr SavedGlyphs;
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| 149 | TrapezoidsProcPtr SavedTrapezoids;
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| 150 | AddTrapsProcPtr SavedAddTraps;
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| 151 | #endif
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| 152 |
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| 153 | Bool swappedOut;
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| 154 | enum ExaMigrationHeuristic migration;
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| 155 | Bool checkDirtyCorrectness;
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| 156 | unsigned disableFbCount;
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| 157 | Bool optimize_migration;
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| 158 | unsigned offScreenCounter;
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| 159 |
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| 160 | ExaGlyphCacheRec glyphCaches[EXA_NUM_GLYPH_CACHES];
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| 161 | } ExaScreenPrivRec, *ExaScreenPrivPtr;
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| 162 |
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| 163 | /*
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| 164 | * This is the only completely portable way to
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| 165 | * compute this info.
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| 166 | */
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| 167 | #ifndef BitsPerPixel
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| 168 | #define BitsPerPixel(d) (\
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| 169 | PixmapWidthPaddingInfo[d].notPower2 ? \
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| 170 | (PixmapWidthPaddingInfo[d].bytesPerPixel * 8) : \
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| 171 | ((1 << PixmapWidthPaddingInfo[d].padBytesLog2) * 8 / \
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| 172 | (PixmapWidthPaddingInfo[d].padRoundUp+1)))
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| 173 | #endif
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| 174 |
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| 175 | extern DevPrivateKey exaScreenPrivateKey;
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| 176 | extern DevPrivateKey exaPixmapPrivateKey;
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| 177 | #define ExaGetScreenPriv(s) ((ExaScreenPrivPtr)dixLookupPrivate(&(s)->devPrivates, exaScreenPrivateKey))
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| 178 | #define ExaScreenPriv(s) ExaScreenPrivPtr pExaScr = ExaGetScreenPriv(s)
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| 179 |
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| 180 | /** Align an offset to an arbitrary alignment */
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| 181 | #define EXA_ALIGN(offset, align) (((offset) + (align) - 1) - \
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| 182 | (((offset) + (align) - 1) % (align)))
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| 183 | /** Align an offset to a power-of-two alignment */
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| 184 | #define EXA_ALIGN2(offset, align) (((offset) + (align) - 1) & ~((align) - 1))
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| 185 |
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| 186 | #define EXA_PIXMAP_SCORE_MOVE_IN 10
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| 187 | #define EXA_PIXMAP_SCORE_MAX 20
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| 188 | #define EXA_PIXMAP_SCORE_MOVE_OUT -10
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| 189 | #define EXA_PIXMAP_SCORE_MIN -20
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| 190 | #define EXA_PIXMAP_SCORE_PINNED 1000
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| 191 | #define EXA_PIXMAP_SCORE_INIT 1001
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| 192 |
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| 193 | #define ExaGetPixmapPriv(p) ((ExaPixmapPrivPtr)dixLookupPrivate(&(p)->devPrivates, exaPixmapPrivateKey))
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| 194 | #define ExaSetPixmapPriv(p,a) dixSetPrivate(&(p)->devPrivates, exaPixmapPrivateKey, a)
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| 195 | #define ExaPixmapPriv(p) ExaPixmapPrivPtr pExaPixmap = ExaGetPixmapPriv(p)
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| 196 |
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| 197 | #define EXA_RANGE_PITCH (1 << 0)
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| 198 | #define EXA_RANGE_WIDTH (1 << 1)
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| 199 | #define EXA_RANGE_HEIGHT (1 << 2)
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| 200 |
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| 201 | typedef struct {
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| 202 | ExaOffscreenArea *area;
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| 203 | int score; /**< score for the move-in vs move-out heuristic */
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| 204 | Bool offscreen;
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| 205 |
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| 206 | CARD8 *sys_ptr; /**< pointer to pixmap data in system memory */
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| 207 | int sys_pitch; /**< pitch of pixmap in system memory */
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| 208 |
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| 209 | CARD8 *fb_ptr; /**< pointer to pixmap data in framebuffer memory */
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| 210 | int fb_pitch; /**< pitch of pixmap in framebuffer memory */
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| 211 | unsigned int fb_size; /**< size of pixmap in framebuffer memory */
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| 212 |
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| 213 | /**
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| 214 | * Holds information about whether this pixmap can be used for
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| 215 | * acceleration (== 0) or not (> 0).
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| 216 | *
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| 217 | * Contains a OR'ed combination of the following values:
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| 218 | * EXA_RANGE_PITCH - set if the pixmap's pitch is out of range
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| 219 | * EXA_RANGE_WIDTH - set if the pixmap's width is out of range
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| 220 | * EXA_RANGE_HEIGHT - set if the pixmap's height is out of range
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| 221 | */
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| 222 | unsigned int accel_blocked;
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| 223 |
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| 224 | /**
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| 225 | * The damage record contains the areas of the pixmap's current location
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| 226 | * (framebuffer or system) that have been damaged compared to the other
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| 227 | * location.
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| 228 | */
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| 229 | DamagePtr pDamage;
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| 230 | /**
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| 231 | * The valid regions mark the valid bits (at least, as they're derived from
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| 232 | * damage, which may be overreported) of a pixmap's system and FB copies.
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| 233 | */
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| 234 | RegionRec validSys, validFB;
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| 235 | /**
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| 236 | * Driver private storage per EXA pixmap
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| 237 | */
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| 238 | void *driverPriv;
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| 239 | } ExaPixmapPrivRec, *ExaPixmapPrivPtr;
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| 240 |
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| 241 | typedef struct _ExaMigrationRec {
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| 242 | Bool as_dst;
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| 243 | Bool as_src;
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| 244 | PixmapPtr pPix;
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| 245 | RegionPtr pReg;
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| 246 | } ExaMigrationRec, *ExaMigrationPtr;
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| 247 |
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| 248 | typedef struct {
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| 249 | INT16 xSrc;
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| 250 | INT16 ySrc;
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| 251 | INT16 xDst;
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| 252 | INT16 yDst;
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| 253 | INT16 width;
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| 254 | INT16 height;
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| 255 | } ExaCompositeRectRec, *ExaCompositeRectPtr;
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| 256 |
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| 257 | /**
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| 258 | * exaDDXDriverInit must be implemented by the DDX using EXA, and is the place
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| 259 | * to set EXA options or hook in screen functions to handle using EXA as the AA.
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| 260 | */
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| 261 | void exaDDXDriverInit (ScreenPtr pScreen);
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| 262 |
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| 263 | /* exa_unaccel.c */
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| 264 | void
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| 265 | exaPrepareAccessGC(GCPtr pGC);
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| 266 |
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| 267 | void
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| 268 | exaFinishAccessGC(GCPtr pGC);
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| 269 |
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| 270 | void
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| 271 | ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
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| 272 | DDXPointPtr ppt, int *pwidth, int fSorted);
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| 273 |
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| 274 | void
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| 275 | ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
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| 276 | DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
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| 277 |
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| 278 | void
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| 279 | ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
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| 280 | int x, int y, int w, int h, int leftPad, int format,
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| 281 | char *bits);
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| 282 |
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| 283 | RegionPtr
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| 284 | ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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| 285 | int srcx, int srcy, int w, int h, int dstx, int dsty);
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| 286 |
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| 287 | RegionPtr
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| 288 | ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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| 289 | int srcx, int srcy, int w, int h, int dstx, int dsty,
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| 290 | unsigned long bitPlane);
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| 291 |
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| 292 | void
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| 293 | ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
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| 294 | DDXPointPtr pptInit);
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| 295 |
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| 296 | void
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| 297 | ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
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| 298 | int mode, int npt, DDXPointPtr ppt);
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| 299 |
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| 300 | void
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| 301 | ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
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| 302 | int nsegInit, xSegment *pSegInit);
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| 303 |
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| 304 | void
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| 305 | ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
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| 306 | int narcs, xArc *pArcs);
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| 307 |
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| 308 | void
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| 309 | ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
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| 310 | int nrect, xRectangle *prect);
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| 311 |
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| 312 | void
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| 313 | ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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| 314 | int x, int y, unsigned int nglyph,
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| 315 | CharInfoPtr *ppci, pointer pglyphBase);
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| 316 |
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| 317 | void
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| 318 | ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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| 319 | int x, int y, unsigned int nglyph,
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| 320 | CharInfoPtr *ppci, pointer pglyphBase);
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| 321 |
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| 322 | void
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| 323 | ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
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| 324 | DrawablePtr pDrawable,
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| 325 | int w, int h, int x, int y);
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| 326 |
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| 327 | void
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| 328 | ExaCheckGetSpans (DrawablePtr pDrawable,
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| 329 | int wMax,
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| 330 | DDXPointPtr ppt,
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| 331 | int *pwidth,
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| 332 | int nspans,
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| 333 | char *pdstStart);
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| 334 |
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| 335 | void
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| 336 | ExaCheckAddTraps (PicturePtr pPicture,
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| 337 | INT16 x_off,
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| 338 | INT16 y_off,
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| 339 | int ntrap,
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| 340 | xTrap *traps);
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| 341 |
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| 342 | /* exa_accel.c */
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| 343 |
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| 344 | static _X_INLINE Bool
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| 345 | exaGCReadsDestination(DrawablePtr pDrawable, unsigned long planemask,
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| 346 | unsigned int fillStyle, unsigned char alu,
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| 347 | unsigned int clientClipType)
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| 348 | {
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| 349 | return ((alu != GXcopy && alu != GXclear && alu != GXset &&
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| 350 | alu != GXcopyInverted) || fillStyle == FillStippled ||
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| 351 | clientClipType != CT_NONE || !EXA_PM_IS_SOLID(pDrawable, planemask));
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| 352 | }
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| 353 |
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| 354 | void
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| 355 | exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
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| 356 |
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| 357 | Bool
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| 358 | exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile,
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| 359 | DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu,
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| 360 | unsigned int clientClipType);
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| 361 |
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| 362 | void
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| 363 | exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h,
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| 364 | unsigned int format, unsigned long planeMask, char *d);
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| 365 |
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| 366 | extern const GCOps exaOps;
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| 367 |
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| 368 | #ifdef RENDER
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| 369 | void
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| 370 | ExaCheckComposite (CARD8 op,
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| 371 | PicturePtr pSrc,
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| 372 | PicturePtr pMask,
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| 373 | PicturePtr pDst,
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| 374 | INT16 xSrc,
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| 375 | INT16 ySrc,
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| 376 | INT16 xMask,
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| 377 | INT16 yMask,
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| 378 | INT16 xDst,
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| 379 | INT16 yDst,
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| 380 | CARD16 width,
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| 381 | CARD16 height);
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| 382 | #endif
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| 383 |
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| 384 | /* exa_offscreen.c */
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| 385 | void
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| 386 | ExaOffscreenSwapOut (ScreenPtr pScreen);
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| 387 |
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| 388 | void
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| 389 | ExaOffscreenSwapIn (ScreenPtr pScreen);
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| 390 |
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| 391 | Bool
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| 392 | exaOffscreenInit(ScreenPtr pScreen);
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| 393 |
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| 394 | void
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| 395 | ExaOffscreenFini (ScreenPtr pScreen);
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| 396 |
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| 397 | /* exa.c */
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| 398 | void
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| 399 | ExaDoPrepareAccess(DrawablePtr pDrawable, int index);
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| 400 |
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| 401 | void
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| 402 | exaPrepareAccessReg(DrawablePtr pDrawable, int index, RegionPtr pReg);
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| 403 |
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| 404 | void
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| 405 | exaPrepareAccess(DrawablePtr pDrawable, int index);
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| 406 |
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| 407 | void
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| 408 | exaFinishAccess(DrawablePtr pDrawable, int index);
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| 409 |
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| 410 | void
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| 411 | exaPixmapDirty(PixmapPtr pPix, int x1, int y1, int x2, int y2);
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| 412 |
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| 413 | void
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| 414 | exaGetDrawableDeltas (DrawablePtr pDrawable, PixmapPtr pPixmap,
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| 415 | int *xp, int *yp);
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| 416 |
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| 417 | Bool
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| 418 | exaPixmapIsOffscreen(PixmapPtr p);
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| 419 |
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| 420 | PixmapPtr
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| 421 | exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp);
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| 422 |
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| 423 | PixmapPtr
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| 424 | exaGetDrawablePixmap(DrawablePtr pDrawable);
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| 425 |
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| 426 | RegionPtr
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| 427 | exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
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| 428 | int srcx, int srcy, int width, int height, int dstx, int dsty);
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| 429 |
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| 430 | void
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| 431 | exaCopyNtoN (DrawablePtr pSrcDrawable,
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| 432 | DrawablePtr pDstDrawable,
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| 433 | GCPtr pGC,
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| 434 | BoxPtr pbox,
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| 435 | int nbox,
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| 436 | int dx,
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| 437 | int dy,
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| 438 | Bool reverse,
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| 439 | Bool upsidedown,
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| 440 | Pixel bitplane,
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| 441 | void *closure);
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| 442 |
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| 443 | /* exa_render.c */
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| 444 | Bool
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| 445 | exaOpReadsDestination (CARD8 op);
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| 446 |
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| 447 | void
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| 448 | exaComposite(CARD8 op,
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| 449 | PicturePtr pSrc,
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| 450 | PicturePtr pMask,
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| 451 | PicturePtr pDst,
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| 452 | INT16 xSrc,
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| 453 | INT16 ySrc,
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| 454 | INT16 xMask,
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| 455 | INT16 yMask,
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| 456 | INT16 xDst,
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| 457 | INT16 yDst,
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| 458 | CARD16 width,
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| 459 | CARD16 height);
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| 460 |
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| 461 | void
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| 462 | exaCompositeRects(CARD8 op,
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| 463 | PicturePtr Src,
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| 464 | PicturePtr pDst,
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| 465 | int nrect,
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| 466 | ExaCompositeRectPtr rects);
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| 467 |
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| 468 | void
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| 469 | exaTrapezoids (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
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| 470 | PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
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| 471 | int ntrap, xTrapezoid *traps);
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| 472 |
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| 473 | void
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| 474 | exaTriangles (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
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| 475 | PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
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| 476 | int ntri, xTriangle *tris);
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| 477 |
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| 478 | /* exa_glyph.c */
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| 479 | void
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| 480 | exaGlyphsInit(ScreenPtr pScreen);
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| 481 |
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| 482 | void
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| 483 | exaGlyphsFini (ScreenPtr pScreen);
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| 484 |
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| 485 | void
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| 486 | exaGlyphs (CARD8 op,
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| 487 | PicturePtr pSrc,
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| 488 | PicturePtr pDst,
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| 489 | PictFormatPtr maskFormat,
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| 490 | INT16 xSrc,
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| 491 | INT16 ySrc,
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| 492 | int nlist,
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| 493 | GlyphListPtr list,
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| 494 | GlyphPtr *glyphs);
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| 495 |
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| 496 | /* exa_migration.c */
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| 497 | void
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| 498 | exaDoMigration (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel);
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| 499 |
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| 500 | void
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| 501 | exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area);
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| 502 |
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| 503 | #endif /* EXAPRIV_H */
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