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authormarha <marha@users.sourceforge.net>2010-06-11 12:14:52 +0000
committermarha <marha@users.sourceforge.net>2010-06-11 12:14:52 +0000
commit4c61bf84b11e26e6f22648668c95ea760a379163 (patch)
tree0ac762ab2815eae283dded7447ad7cb5a54b926a /xorg-server/fb/fbpict.c
parente1dabd2ce8be0d70c6c15353b58de256129dfd1f (diff)
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xserver git update 11/6/2010
Diffstat (limited to 'xorg-server/fb/fbpict.c')
-rw-r--r--xorg-server/fb/fbpict.c968
1 files changed, 484 insertions, 484 deletions
diff --git a/xorg-server/fb/fbpict.c b/xorg-server/fb/fbpict.c
index 896d33ebb..d6dc30d2c 100644
--- a/xorg-server/fb/fbpict.c
+++ b/xorg-server/fb/fbpict.c
@@ -1,484 +1,484 @@
-/*
- *
- * Copyright © 2000 SuSE, Inc.
- * Copyright © 2007 Red Hat, Inc.
- *
- * 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 SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * 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.
- *
- * Author: Keith Packard, SuSE, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include "fb.h"
-
-#include "picturestr.h"
-#include "mipict.h"
-#include "fbpict.h"
-
-#define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
-
-void
-fbWalkCompositeRegion (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height,
- Bool srcRepeat,
- Bool maskRepeat,
- CompositeFunc compositeRect)
-{
- RegionRec region;
- int n;
- BoxPtr pbox;
- int w, h, w_this, h_this;
- int x_msk, y_msk, x_src, y_src, x_dst, y_dst;
-
- xDst += pDst->pDrawable->x;
- yDst += pDst->pDrawable->y;
- if (pSrc->pDrawable)
- {
- xSrc += pSrc->pDrawable->x;
- ySrc += pSrc->pDrawable->y;
- }
- if (pMask && pMask->pDrawable)
- {
- xMask += pMask->pDrawable->x;
- yMask += pMask->pDrawable->y;
- }
-
- if (!miComputeCompositeRegion (&region, pSrc, pMask, pDst, xSrc, ySrc,
- xMask, yMask, xDst, yDst, width, height))
- return;
-
- n = REGION_NUM_RECTS (&region);
- pbox = REGION_RECTS (&region);
- while (n--)
- {
- h = pbox->y2 - pbox->y1;
- y_src = pbox->y1 - yDst + ySrc;
- y_msk = pbox->y1 - yDst + yMask;
- y_dst = pbox->y1;
- while (h)
- {
- h_this = h;
- w = pbox->x2 - pbox->x1;
- x_src = pbox->x1 - xDst + xSrc;
- x_msk = pbox->x1 - xDst + xMask;
- x_dst = pbox->x1;
- if (maskRepeat)
- {
- y_msk = mod (y_msk - pMask->pDrawable->y, pMask->pDrawable->height);
- if (h_this > pMask->pDrawable->height - y_msk)
- h_this = pMask->pDrawable->height - y_msk;
- y_msk += pMask->pDrawable->y;
- }
- if (srcRepeat)
- {
- y_src = mod (y_src - pSrc->pDrawable->y, pSrc->pDrawable->height);
- if (h_this > pSrc->pDrawable->height - y_src)
- h_this = pSrc->pDrawable->height - y_src;
- y_src += pSrc->pDrawable->y;
- }
- while (w)
- {
- w_this = w;
- if (maskRepeat)
- {
- x_msk = mod (x_msk - pMask->pDrawable->x, pMask->pDrawable->width);
- if (w_this > pMask->pDrawable->width - x_msk)
- w_this = pMask->pDrawable->width - x_msk;
- x_msk += pMask->pDrawable->x;
- }
- if (srcRepeat)
- {
- x_src = mod (x_src - pSrc->pDrawable->x, pSrc->pDrawable->width);
- if (w_this > pSrc->pDrawable->width - x_src)
- w_this = pSrc->pDrawable->width - x_src;
- x_src += pSrc->pDrawable->x;
- }
- (*compositeRect) (op, pSrc, pMask, pDst,
- x_src, y_src, x_msk, y_msk, x_dst, y_dst,
- w_this, h_this);
- w -= w_this;
- x_src += w_this;
- x_msk += w_this;
- x_dst += w_this;
- }
- h -= h_this;
- y_src += h_this;
- y_msk += h_this;
- y_dst += h_this;
- }
- pbox++;
- }
- REGION_UNINIT (pDst->pDrawable->pScreen, &region);
-}
-
-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)
-{
- pixman_image_t *src, *mask, *dest;
- int src_xoff, src_yoff;
- int msk_xoff, msk_yoff;
- int dst_xoff, dst_yoff;
-
- miCompositeSourceValidate (pSrc, xSrc - xDst, ySrc - yDst, width, height);
- if (pMask)
- miCompositeSourceValidate (pMask, xMask - xDst, yMask - yDst, width, height);
-
- src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
- mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff);
- dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
-
- if (src && dest && !(pMask && !mask))
- {
- pixman_image_composite (op, src, mask, dest,
- xSrc + src_xoff, ySrc + src_yoff,
- xMask + msk_xoff, yMask + msk_yoff,
- xDst + dst_xoff, yDst + dst_yoff,
- width, height);
- }
-
- free_pixman_pict (pSrc, src);
- free_pixman_pict (pMask, mask);
- free_pixman_pict (pDst, dest);
-}
-
-void
-fbCompositeGeneral (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- fbComposite (op, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height);
-}
-
-static pixman_image_t *
-create_solid_fill_image (PicturePtr pict)
-{
- PictSolidFill *solid = &pict->pSourcePict->solidFill;
- pixman_color_t color;
- CARD32 a, r, g, b;
-
- a = (solid->color & 0xff000000) >> 24;
- r = (solid->color & 0x00ff0000) >> 16;
- g = (solid->color & 0x0000ff00) >> 8;
- b = (solid->color & 0x000000ff) >> 0;
-
- color.alpha = (a << 8) | a;
- color.red = (r << 8) | r;
- color.green = (g << 8) | g;
- color.blue = (b << 8) | b;
-
- return pixman_image_create_solid_fill (&color);
-}
-
-static pixman_image_t *
-create_linear_gradient_image (PictGradient *gradient)
-{
- PictLinearGradient *linear = (PictLinearGradient *)gradient;
- pixman_point_fixed_t p1;
- pixman_point_fixed_t p2;
-
- p1.x = linear->p1.x;
- p1.y = linear->p1.y;
- p2.x = linear->p2.x;
- p2.y = linear->p2.y;
-
- return pixman_image_create_linear_gradient (
- &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
-}
-
-static pixman_image_t *
-create_radial_gradient_image (PictGradient *gradient)
-{
- PictRadialGradient *radial = (PictRadialGradient *)gradient;
- pixman_point_fixed_t c1;
- pixman_point_fixed_t c2;
-
- c1.x = radial->c1.x;
- c1.y = radial->c1.y;
- c2.x = radial->c2.x;
- c2.y = radial->c2.y;
-
- return pixman_image_create_radial_gradient (
- &c1, &c2, radial->c1.radius,
- radial->c2.radius,
- (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
-}
-
-static pixman_image_t *
-create_conical_gradient_image (PictGradient *gradient)
-{
- PictConicalGradient *conical = (PictConicalGradient *)gradient;
- pixman_point_fixed_t center;
-
- center.x = conical->center.x;
- center.y = conical->center.y;
-
- return pixman_image_create_conical_gradient (
- &center, conical->angle, (pixman_gradient_stop_t *)gradient->stops,
- gradient->nstops);
-}
-
-static pixman_image_t *
-create_bits_picture (PicturePtr pict,
- Bool has_clip,
- int *xoff,
- int *yoff)
-{
- PixmapPtr pixmap;
- FbBits *bits;
- FbStride stride;
- int bpp;
- pixman_image_t *image;
-
- fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff);
- fbGetPixmapBitsData(pixmap, bits, stride, bpp);
-
- image = pixman_image_create_bits (
- pict->format,
- pixmap->drawable.width, pixmap->drawable.height,
- (uint32_t *)bits, stride * sizeof (FbStride));
-
-
-#ifdef FB_ACCESS_WRAPPER
-#if FB_SHIFT==5
-
- pixman_image_set_accessors (image,
- (pixman_read_memory_func_t)wfbReadMemory,
- (pixman_write_memory_func_t)wfbWriteMemory);
-
-#else
-
-#error The pixman library only works when FbBits is 32 bits wide
-
-#endif
-#endif
-
- /* pCompositeClip is undefined for source pictures, so
- * only set the clip region for pictures with drawables
- */
- if (has_clip)
- {
- if (pict->clientClipType != CT_NONE)
- pixman_image_set_has_client_clip (image, TRUE);
-
- if (*xoff || *yoff)
- pixman_region_translate (pict->pCompositeClip, *xoff, *yoff);
-
- pixman_image_set_clip_region (image, pict->pCompositeClip);
-
- if (*xoff || *yoff)
- pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff);
- }
-
- /* Indexed table */
- if (pict->pFormat->index.devPrivate)
- pixman_image_set_indexed (image, pict->pFormat->index.devPrivate);
-
- /* Add in drawable origin to position within the image */
- *xoff += pict->pDrawable->x;
- *yoff += pict->pDrawable->y;
-
- return image;
-}
-
-static void
-set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
-{
- pixman_repeat_t repeat;
- pixman_filter_t filter;
-
- if (pict->transform)
- {
- /* For source images, adjust the transform to account
- * for the drawable offset within the pixman image,
- * then set the offset to 0 as it will be used
- * to compute positions within the transformed image.
- */
- if (!has_clip) {
- struct pixman_transform adjusted;
-
- adjusted = *pict->transform;
- pixman_transform_translate(&adjusted,
- NULL,
- pixman_int_to_fixed(*xoff),
- pixman_int_to_fixed(*yoff));
- pixman_image_set_transform (image, &adjusted);
- *xoff = 0;
- *yoff = 0;
- } else
- pixman_image_set_transform (image, pict->transform);
- }
-
- switch (pict->repeatType)
- {
- default:
- case RepeatNone:
- repeat = PIXMAN_REPEAT_NONE;
- break;
-
- case RepeatPad:
- repeat = PIXMAN_REPEAT_PAD;
- break;
-
- case RepeatNormal:
- repeat = PIXMAN_REPEAT_NORMAL;
- break;
-
- case RepeatReflect:
- repeat = PIXMAN_REPEAT_REFLECT;
- break;
- }
-
- pixman_image_set_repeat (image, repeat);
-
- if (pict->alphaMap)
- {
- int alpha_xoff, alpha_yoff;
- pixman_image_t *alpha_map = image_from_pict (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff);
-
- pixman_image_set_alpha_map (
- image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
-
- free_pixman_pict (pict->alphaMap, alpha_map);
- }
-
- pixman_image_set_component_alpha (image, pict->componentAlpha);
-
- switch (pict->filter)
- {
- default:
- case PictFilterNearest:
- case PictFilterFast:
- filter = PIXMAN_FILTER_NEAREST;
- break;
-
- case PictFilterBilinear:
- case PictFilterGood:
- filter = PIXMAN_FILTER_BILINEAR;
- break;
-
- case PictFilterConvolution:
- filter = PIXMAN_FILTER_CONVOLUTION;
- break;
- }
-
- pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams);
- pixman_image_set_source_clipping (image, TRUE);
-}
-
-pixman_image_t *
-image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
-{
- pixman_image_t *image = NULL;
-
- if (!pict)
- return NULL;
-
- if (pict->pDrawable)
- {
- image = create_bits_picture (pict, has_clip, xoff, yoff);
- }
- else if (pict->pSourcePict)
- {
- SourcePict *sp = pict->pSourcePict;
-
- if (sp->type == SourcePictTypeSolidFill)
- {
- image = create_solid_fill_image (pict);
- }
- else
- {
- PictGradient *gradient = &pict->pSourcePict->gradient;
-
- if (sp->type == SourcePictTypeLinear)
- image = create_linear_gradient_image (gradient);
- else if (sp->type == SourcePictTypeRadial)
- image = create_radial_gradient_image (gradient);
- else if (sp->type == SourcePictTypeConical)
- image = create_conical_gradient_image (gradient);
- }
- *xoff = *yoff = 0;
- }
-
- if (image)
- set_image_properties (image, pict, has_clip, xoff, yoff);
-
- return image;
-}
-
-void
-free_pixman_pict (PicturePtr pict, pixman_image_t *image)
-{
- if (image && pixman_image_unref (image) && pict->pDrawable)
- fbFinishAccess (pict->pDrawable);
-}
-
-Bool
-fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
-
- PictureScreenPtr ps;
-
- if (!miPictureInit (pScreen, formats, nformats))
- return FALSE;
- ps = GetPictureScreen(pScreen);
- ps->Composite = fbComposite;
- ps->Glyphs = miGlyphs;
- ps->CompositeRects = miCompositeRects;
- ps->RasterizeTrapezoid = fbRasterizeTrapezoid;
- ps->AddTraps = fbAddTraps;
- ps->AddTriangles = fbAddTriangles;
-
- return TRUE;
-}
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ * Copyright © 2007 Red Hat, Inc.
+ *
+ * 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 SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "fb.h"
+
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+
+#define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
+
+void
+fbWalkCompositeRegion (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height,
+ Bool srcRepeat,
+ Bool maskRepeat,
+ CompositeFunc compositeRect)
+{
+ RegionRec region;
+ int n;
+ BoxPtr pbox;
+ int w, h, w_this, h_this;
+ int x_msk, y_msk, x_src, y_src, x_dst, y_dst;
+
+ xDst += pDst->pDrawable->x;
+ yDst += pDst->pDrawable->y;
+ if (pSrc->pDrawable)
+ {
+ xSrc += pSrc->pDrawable->x;
+ ySrc += pSrc->pDrawable->y;
+ }
+ if (pMask && pMask->pDrawable)
+ {
+ xMask += pMask->pDrawable->x;
+ yMask += pMask->pDrawable->y;
+ }
+
+ if (!miComputeCompositeRegion (&region, pSrc, pMask, pDst, xSrc, ySrc,
+ xMask, yMask, xDst, yDst, width, height))
+ return;
+
+ n = RegionNumRects (&region);
+ pbox = RegionRects (&region);
+ while (n--)
+ {
+ h = pbox->y2 - pbox->y1;
+ y_src = pbox->y1 - yDst + ySrc;
+ y_msk = pbox->y1 - yDst + yMask;
+ y_dst = pbox->y1;
+ while (h)
+ {
+ h_this = h;
+ w = pbox->x2 - pbox->x1;
+ x_src = pbox->x1 - xDst + xSrc;
+ x_msk = pbox->x1 - xDst + xMask;
+ x_dst = pbox->x1;
+ if (maskRepeat)
+ {
+ y_msk = mod (y_msk - pMask->pDrawable->y, pMask->pDrawable->height);
+ if (h_this > pMask->pDrawable->height - y_msk)
+ h_this = pMask->pDrawable->height - y_msk;
+ y_msk += pMask->pDrawable->y;
+ }
+ if (srcRepeat)
+ {
+ y_src = mod (y_src - pSrc->pDrawable->y, pSrc->pDrawable->height);
+ if (h_this > pSrc->pDrawable->height - y_src)
+ h_this = pSrc->pDrawable->height - y_src;
+ y_src += pSrc->pDrawable->y;
+ }
+ while (w)
+ {
+ w_this = w;
+ if (maskRepeat)
+ {
+ x_msk = mod (x_msk - pMask->pDrawable->x, pMask->pDrawable->width);
+ if (w_this > pMask->pDrawable->width - x_msk)
+ w_this = pMask->pDrawable->width - x_msk;
+ x_msk += pMask->pDrawable->x;
+ }
+ if (srcRepeat)
+ {
+ x_src = mod (x_src - pSrc->pDrawable->x, pSrc->pDrawable->width);
+ if (w_this > pSrc->pDrawable->width - x_src)
+ w_this = pSrc->pDrawable->width - x_src;
+ x_src += pSrc->pDrawable->x;
+ }
+ (*compositeRect) (op, pSrc, pMask, pDst,
+ x_src, y_src, x_msk, y_msk, x_dst, y_dst,
+ w_this, h_this);
+ w -= w_this;
+ x_src += w_this;
+ x_msk += w_this;
+ x_dst += w_this;
+ }
+ h -= h_this;
+ y_src += h_this;
+ y_msk += h_this;
+ y_dst += h_this;
+ }
+ pbox++;
+ }
+ RegionUninit(&region);
+}
+
+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)
+{
+ pixman_image_t *src, *mask, *dest;
+ int src_xoff, src_yoff;
+ int msk_xoff, msk_yoff;
+ int dst_xoff, dst_yoff;
+
+ miCompositeSourceValidate (pSrc, xSrc - xDst, ySrc - yDst, width, height);
+ if (pMask)
+ miCompositeSourceValidate (pMask, xMask - xDst, yMask - yDst, width, height);
+
+ src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
+ mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff);
+ dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
+
+ if (src && dest && !(pMask && !mask))
+ {
+ pixman_image_composite (op, src, mask, dest,
+ xSrc + src_xoff, ySrc + src_yoff,
+ xMask + msk_xoff, yMask + msk_yoff,
+ xDst + dst_xoff, yDst + dst_yoff,
+ width, height);
+ }
+
+ free_pixman_pict (pSrc, src);
+ free_pixman_pict (pMask, mask);
+ free_pixman_pict (pDst, dest);
+}
+
+void
+fbCompositeGeneral (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ fbComposite (op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height);
+}
+
+static pixman_image_t *
+create_solid_fill_image (PicturePtr pict)
+{
+ PictSolidFill *solid = &pict->pSourcePict->solidFill;
+ pixman_color_t color;
+ CARD32 a, r, g, b;
+
+ a = (solid->color & 0xff000000) >> 24;
+ r = (solid->color & 0x00ff0000) >> 16;
+ g = (solid->color & 0x0000ff00) >> 8;
+ b = (solid->color & 0x000000ff) >> 0;
+
+ color.alpha = (a << 8) | a;
+ color.red = (r << 8) | r;
+ color.green = (g << 8) | g;
+ color.blue = (b << 8) | b;
+
+ return pixman_image_create_solid_fill (&color);
+}
+
+static pixman_image_t *
+create_linear_gradient_image (PictGradient *gradient)
+{
+ PictLinearGradient *linear = (PictLinearGradient *)gradient;
+ pixman_point_fixed_t p1;
+ pixman_point_fixed_t p2;
+
+ p1.x = linear->p1.x;
+ p1.y = linear->p1.y;
+ p2.x = linear->p2.x;
+ p2.y = linear->p2.y;
+
+ return pixman_image_create_linear_gradient (
+ &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
+}
+
+static pixman_image_t *
+create_radial_gradient_image (PictGradient *gradient)
+{
+ PictRadialGradient *radial = (PictRadialGradient *)gradient;
+ pixman_point_fixed_t c1;
+ pixman_point_fixed_t c2;
+
+ c1.x = radial->c1.x;
+ c1.y = radial->c1.y;
+ c2.x = radial->c2.x;
+ c2.y = radial->c2.y;
+
+ return pixman_image_create_radial_gradient (
+ &c1, &c2, radial->c1.radius,
+ radial->c2.radius,
+ (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
+}
+
+static pixman_image_t *
+create_conical_gradient_image (PictGradient *gradient)
+{
+ PictConicalGradient *conical = (PictConicalGradient *)gradient;
+ pixman_point_fixed_t center;
+
+ center.x = conical->center.x;
+ center.y = conical->center.y;
+
+ return pixman_image_create_conical_gradient (
+ &center, conical->angle, (pixman_gradient_stop_t *)gradient->stops,
+ gradient->nstops);
+}
+
+static pixman_image_t *
+create_bits_picture (PicturePtr pict,
+ Bool has_clip,
+ int *xoff,
+ int *yoff)
+{
+ PixmapPtr pixmap;
+ FbBits *bits;
+ FbStride stride;
+ int bpp;
+ pixman_image_t *image;
+
+ fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff);
+ fbGetPixmapBitsData(pixmap, bits, stride, bpp);
+
+ image = pixman_image_create_bits (
+ pict->format,
+ pixmap->drawable.width, pixmap->drawable.height,
+ (uint32_t *)bits, stride * sizeof (FbStride));
+
+
+#ifdef FB_ACCESS_WRAPPER
+#if FB_SHIFT==5
+
+ pixman_image_set_accessors (image,
+ (pixman_read_memory_func_t)wfbReadMemory,
+ (pixman_write_memory_func_t)wfbWriteMemory);
+
+#else
+
+#error The pixman library only works when FbBits is 32 bits wide
+
+#endif
+#endif
+
+ /* pCompositeClip is undefined for source pictures, so
+ * only set the clip region for pictures with drawables
+ */
+ if (has_clip)
+ {
+ if (pict->clientClipType != CT_NONE)
+ pixman_image_set_has_client_clip (image, TRUE);
+
+ if (*xoff || *yoff)
+ pixman_region_translate (pict->pCompositeClip, *xoff, *yoff);
+
+ pixman_image_set_clip_region (image, pict->pCompositeClip);
+
+ if (*xoff || *yoff)
+ pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff);
+ }
+
+ /* Indexed table */
+ if (pict->pFormat->index.devPrivate)
+ pixman_image_set_indexed (image, pict->pFormat->index.devPrivate);
+
+ /* Add in drawable origin to position within the image */
+ *xoff += pict->pDrawable->x;
+ *yoff += pict->pDrawable->y;
+
+ return image;
+}
+
+static void
+set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
+{
+ pixman_repeat_t repeat;
+ pixman_filter_t filter;
+
+ if (pict->transform)
+ {
+ /* For source images, adjust the transform to account
+ * for the drawable offset within the pixman image,
+ * then set the offset to 0 as it will be used
+ * to compute positions within the transformed image.
+ */
+ if (!has_clip) {
+ struct pixman_transform adjusted;
+
+ adjusted = *pict->transform;
+ pixman_transform_translate(&adjusted,
+ NULL,
+ pixman_int_to_fixed(*xoff),
+ pixman_int_to_fixed(*yoff));
+ pixman_image_set_transform (image, &adjusted);
+ *xoff = 0;
+ *yoff = 0;
+ } else
+ pixman_image_set_transform (image, pict->transform);
+ }
+
+ switch (pict->repeatType)
+ {
+ default:
+ case RepeatNone:
+ repeat = PIXMAN_REPEAT_NONE;
+ break;
+
+ case RepeatPad:
+ repeat = PIXMAN_REPEAT_PAD;
+ break;
+
+ case RepeatNormal:
+ repeat = PIXMAN_REPEAT_NORMAL;
+ break;
+
+ case RepeatReflect:
+ repeat = PIXMAN_REPEAT_REFLECT;
+ break;
+ }
+
+ pixman_image_set_repeat (image, repeat);
+
+ if (pict->alphaMap)
+ {
+ int alpha_xoff, alpha_yoff;
+ pixman_image_t *alpha_map = image_from_pict (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff);
+
+ pixman_image_set_alpha_map (
+ image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
+
+ free_pixman_pict (pict->alphaMap, alpha_map);
+ }
+
+ pixman_image_set_component_alpha (image, pict->componentAlpha);
+
+ switch (pict->filter)
+ {
+ default:
+ case PictFilterNearest:
+ case PictFilterFast:
+ filter = PIXMAN_FILTER_NEAREST;
+ break;
+
+ case PictFilterBilinear:
+ case PictFilterGood:
+ filter = PIXMAN_FILTER_BILINEAR;
+ break;
+
+ case PictFilterConvolution:
+ filter = PIXMAN_FILTER_CONVOLUTION;
+ break;
+ }
+
+ pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams);
+ pixman_image_set_source_clipping (image, TRUE);
+}
+
+pixman_image_t *
+image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
+{
+ pixman_image_t *image = NULL;
+
+ if (!pict)
+ return NULL;
+
+ if (pict->pDrawable)
+ {
+ image = create_bits_picture (pict, has_clip, xoff, yoff);
+ }
+ else if (pict->pSourcePict)
+ {
+ SourcePict *sp = pict->pSourcePict;
+
+ if (sp->type == SourcePictTypeSolidFill)
+ {
+ image = create_solid_fill_image (pict);
+ }
+ else
+ {
+ PictGradient *gradient = &pict->pSourcePict->gradient;
+
+ if (sp->type == SourcePictTypeLinear)
+ image = create_linear_gradient_image (gradient);
+ else if (sp->type == SourcePictTypeRadial)
+ image = create_radial_gradient_image (gradient);
+ else if (sp->type == SourcePictTypeConical)
+ image = create_conical_gradient_image (gradient);
+ }
+ *xoff = *yoff = 0;
+ }
+
+ if (image)
+ set_image_properties (image, pict, has_clip, xoff, yoff);
+
+ return image;
+}
+
+void
+free_pixman_pict (PicturePtr pict, pixman_image_t *image)
+{
+ if (image && pixman_image_unref (image) && pict->pDrawable)
+ fbFinishAccess (pict->pDrawable);
+}
+
+Bool
+fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
+{
+
+ PictureScreenPtr ps;
+
+ if (!miPictureInit (pScreen, formats, nformats))
+ return FALSE;
+ ps = GetPictureScreen(pScreen);
+ ps->Composite = fbComposite;
+ ps->Glyphs = miGlyphs;
+ ps->CompositeRects = miCompositeRects;
+ ps->RasterizeTrapezoid = fbRasterizeTrapezoid;
+ ps->AddTraps = fbAddTraps;
+ ps->AddTriangles = fbAddTriangles;
+
+ return TRUE;
+}