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+/*
+ *
+ * Copyright © 2000,2008 Keith Packard
+ * 2005 Zack Rusin, Trolltech
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef UXAPRIV_H
+#define UXAPRIV_H
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+#include <xorg-server.h>
+#endif
+
+#include "uxa.h"
+
+#include <X11/X.h>
+#define NEED_EVENTS
+#include <X11/Xproto.h>
+#ifdef MITSHM
+#define _XSHM_SERVER_
+#include <X11/extensions/shmstr.h>
+#endif
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "servermd.h"
+#include "mibstore.h"
+#include "colormapst.h"
+#include "gcstruct.h"
+#include "input.h"
+#include "mipointer.h"
+#include "mi.h"
+#include "dix.h"
+#include "fb.h"
+#include "fboverlay.h"
+#ifdef RENDER
+//#include "fbpict.h"
+#include "glyphstr.h"
+#endif
+#include "damage.h"
+
+#define DEBUG_TRACE_FALL 0
+#define DEBUG_MIGRATE 0
+#define DEBUG_PIXMAP 0
+#define DEBUG_OFFSCREEN 0
+#define DEBUG_GLYPH_CACHE 0
+
+#if DEBUG_TRACE_FALL
+#define UXA_FALLBACK(x) \
+do { \
+ ErrorF("UXA fallback at %s: ", __FUNCTION__); \
+ ErrorF x; \
+} while (0)
+
+char
+uxa_drawable_location(DrawablePtr pDrawable);
+#else
+#define UXA_FALLBACK(x)
+#endif
+
+#if DEBUG_PIXMAP
+#define DBG_PIXMAP(a) ErrorF a
+#else
+#define DBG_PIXMAP(a)
+#endif
+
+typedef struct {
+ unsigned char sha1[20];
+} uxa_cached_glyph_t;
+
+typedef struct {
+ /* The identity of the cache, statically configured at initialization */
+ unsigned int format;
+ int glyphWidth;
+ int glyphHeight;
+
+ int size; /* Size of cache; eventually this should be dynamically determined */
+
+ /* Hash table mapping from glyph sha1 to position in the glyph; we use
+ * open addressing with a hash table size determined based on size and large
+ * enough so that we always have a good amount of free space, so we can
+ * use linear probing. (Linear probing is preferrable to double hashing
+ * here because it allows us to easily remove entries.)
+ */
+ int *hashEntries;
+ int hashSize;
+
+ uxa_cached_glyph_t *glyphs;
+ int glyphCount; /* Current number of glyphs */
+
+ PicturePtr picture; /* Where the glyphs of the cache are stored */
+ int yOffset; /* y location within the picture where the cache starts */
+ int columns; /* Number of columns the glyphs are layed out in */
+ int evictionPosition; /* Next random position to evict a glyph */
+} uxa_glyph_cache_t;
+
+#define UXA_NUM_GLYPH_CACHES 4
+
+typedef void (*EnableDisableFBAccessProcPtr)(int, Bool);
+typedef struct {
+ uxa_driver_t *info;
+ CreateGCProcPtr SavedCreateGC;
+ CloseScreenProcPtr SavedCloseScreen;
+ GetImageProcPtr SavedGetImage;
+ GetSpansProcPtr SavedGetSpans;
+ CreatePixmapProcPtr SavedCreatePixmap;
+ DestroyPixmapProcPtr SavedDestroyPixmap;
+ CopyWindowProcPtr SavedCopyWindow;
+ ChangeWindowAttributesProcPtr SavedChangeWindowAttributes;
+ BitmapToRegionProcPtr SavedBitmapToRegion;
+#ifdef RENDER
+ CompositeProcPtr SavedComposite;
+ TrianglesProcPtr SavedTriangles;
+ GlyphsProcPtr SavedGlyphs;
+ TrapezoidsProcPtr SavedTrapezoids;
+ AddTrapsProcPtr SavedAddTraps;
+#endif
+
+ Bool swappedOut;
+ unsigned disableFbCount;
+ unsigned offScreenCounter;
+
+ uxa_glyph_cache_t glyphCaches[UXA_NUM_GLYPH_CACHES];
+} uxa_screen_t;
+
+/*
+ * This is the only completely portable way to
+ * compute this info.
+ */
+#ifndef BitsPerPixel
+#define BitsPerPixel(d) (\
+ PixmapWidthPaddingInfo[d].notPower2 ? \
+ (PixmapWidthPaddingInfo[d].bytesPerPixel * 8) : \
+ ((1 << PixmapWidthPaddingInfo[d].padBytesLog2) * 8 / \
+ (PixmapWidthPaddingInfo[d].padRoundUp+1)))
+#endif
+
+extern DevPrivateKey uxa_screen_key;
+#define uxa_get_screen(s) ((uxa_screen_t *)dixLookupPrivate(&(s)->devPrivates, uxa_screen_key))
+
+/** Align an offset to an arbitrary alignment */
+#define UXA_ALIGN(offset, align) (((offset) + (align) - 1) - \
+ (((offset) + (align) - 1) % (align)))
+/** Align an offset to a power-of-two alignment */
+#define UXA_ALIGN2(offset, align) (((offset) + (align) - 1) & ~((align) - 1))
+
+typedef struct {
+ INT16 xSrc;
+ INT16 ySrc;
+ INT16 xDst;
+ INT16 yDst;
+ INT16 width;
+ INT16 height;
+} uxa_composite_rect_t;
+
+/**
+ * exaDDXDriverInit must be implemented by the DDX using EXA, and is the place
+ * to set EXA options or hook in screen functions to handle using EXA as the AA.
+ */
+void exaDDXDriverInit (ScreenPtr pScreen);
+
+void
+uxa_prepare_access_window(WindowPtr pWin);
+
+void
+uxa_finish_access_window(WindowPtr pWin);
+
+/* uxa-unaccel.c */
+void
+uxa_prepare_access_gc(GCPtr pGC);
+
+void
+uxa_finish_access_gc(GCPtr pGC);
+
+void
+uxa_check_fill_spans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
+ DDXPointPtr ppt, int *pwidth, int fSorted);
+
+void
+uxa_check_set_spans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
+ DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
+
+void
+uxa_check_put_image (DrawablePtr pDrawable, GCPtr pGC, int depth,
+ int x, int y, int w, int h, int leftPad, int format,
+ char *bits);
+
+RegionPtr
+uxa_check_copy_area (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty);
+
+RegionPtr
+uxa_check_copy_plane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty,
+ unsigned long bitPlane);
+
+void
+uxa_check_poly_point (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit);
+
+void
+uxa_check_poly_lines (DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr ppt);
+
+void
+uxa_check_poly_segment (DrawablePtr pDrawable, GCPtr pGC,
+ int nsegInit, xSegment *pSegInit);
+
+void
+uxa_check_poly_arc (DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *pArcs);
+
+void
+uxa_check_poly_fill_rect (DrawablePtr pDrawable, GCPtr pGC,
+ int nrect, xRectangle *prect);
+
+void
+uxa_check_image_glyph_blt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase);
+
+void
+uxa_check_poly_glyph_blt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase);
+
+void
+uxa_check_push_pixels (GCPtr pGC, PixmapPtr pBitmap,
+ DrawablePtr pDrawable,
+ int w, int h, int x, int y);
+
+void
+uxa_check_get_spans (DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pdstStart);
+
+void
+uxa_check_add_traps (PicturePtr pPicture,
+ INT16 x_off,
+ INT16 y_off,
+ int ntrap,
+ xTrap *traps);
+
+/* uxa-accel.c */
+
+static _X_INLINE Bool
+uxa_gc_reads_destination(DrawablePtr pDrawable, unsigned long planemask,
+ unsigned int fillStyle, unsigned char alu)
+{
+ return ((alu != GXcopy && alu != GXclear &&alu != GXset &&
+ alu != GXcopyInverted) || fillStyle == FillStippled ||
+ !UXA_PM_IS_SOLID(pDrawable, planemask));
+}
+
+void
+uxa_copy_window(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
+
+Bool
+uxa_fill_region_tiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile,
+ DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu);
+
+void
+uxa_shm_put_image(DrawablePtr pDrawable, GCPtr pGC, int depth, unsigned int format,
+ int w, int h, int sx, int sy, int sw, int sh, int dx, int dy,
+ char *data);
+
+void
+uxa_get_image (DrawablePtr pDrawable, int x, int y, int w, int h,
+ unsigned int format, unsigned long planeMask, char *d);
+
+extern const GCOps uxa_ops;
+
+#ifdef MITSHM
+extern ShmFuncs uxa_shm_funcs;
+
+/* XXX these come from shmint.h, which isn't exported by the server */
+void
+ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs);
+
+void
+ShmSetPixmapFormat(ScreenPtr pScreen, int format);
+
+void
+fbShmPutImage(XSHM_PUT_IMAGE_ARGS);
+
+#endif
+
+#ifdef RENDER
+
+/* XXX these are in fbpict.h, which is not installed */
+void
+fbComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height);
+
+void
+fbAddTraps (PicturePtr pPicture,
+ INT16 xOff,
+ INT16 yOff,
+ int ntrap,
+ xTrap *traps);
+
+void
+uxa_check_composite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height);
+#endif
+
+/* uxa.c */
+void
+uxa_prepare_access(DrawablePtr pDrawable, int index);
+
+void
+uxa_finish_access(DrawablePtr pDrawable, int index);
+
+void
+uxa_get_drawable_deltas (DrawablePtr pDrawable, PixmapPtr pPixmap,
+ int *xp, int *yp);
+
+Bool
+uxa_drawable_is_offscreen (DrawablePtr pDrawable);
+
+Bool
+uxa_pixmap_is_offscreen(PixmapPtr p);
+
+PixmapPtr
+uxa_get_offscreen_pixmap (DrawablePtr pDrawable, int *xp, int *yp);
+
+PixmapPtr
+uxa_get_drawable_pixmap(DrawablePtr pDrawable);
+
+RegionPtr
+uxa_copy_area(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
+ int srcx, int srcy, int width, int height, int dstx, int dsty);
+
+void
+uxa_copy_n_to_n (DrawablePtr pSrcDrawable,
+ DrawablePtr pDstDrawable,
+ GCPtr pGC,
+ BoxPtr pbox,
+ int nbox,
+ int dx,
+ int dy,
+ Bool reverse,
+ Bool upsidedown,
+ Pixel bitplane,
+ void *closure);
+
+/* uxa_render.c */
+Bool
+uxa_op_reads_destination (CARD8 op);
+
+void
+uxa_composite(CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height);
+
+void
+uxa_composite_rects(CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ int nrect,
+ uxa_composite_rect_t *rects);
+
+void
+uxa_trapezoids (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int ntrap, xTrapezoid *traps);
+
+void
+uxa_triangles (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int ntri, xTriangle *tris);
+
+/* uxa_glyph.c */
+void
+uxa_glyphs_init(ScreenPtr pScreen);
+
+void
+uxa_glyphs_fini (ScreenPtr pScreen);
+
+void
+uxa_glyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs);
+
+#endif /* UXAPRIV_H */