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author | marha <marha@users.sourceforge.net> | 2011-03-04 13:54:03 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2011-03-04 13:54:03 +0000 |
commit | 0a5888393c68f6f7db86206d1f277232db18240b (patch) | |
tree | 9afe740e7b124ea8d2125ef7be0d42760d3b8e6a /xorg-server/fb/fbtrap.c | |
parent | 56950d7bed70ee82186f44f9333537cdbb33c448 (diff) | |
download | vcxsrv-0a5888393c68f6f7db86206d1f277232db18240b.tar.gz vcxsrv-0a5888393c68f6f7db86206d1f277232db18240b.tar.bz2 vcxsrv-0a5888393c68f6f7db86206d1f277232db18240b.zip |
xserver xkeyboard-config mesa git update 4 Marc 2011
Diffstat (limited to 'xorg-server/fb/fbtrap.c')
-rw-r--r-- | xorg-server/fb/fbtrap.c | 369 |
1 files changed, 210 insertions, 159 deletions
diff --git a/xorg-server/fb/fbtrap.c b/xorg-server/fb/fbtrap.c index e52f84cd7..2554fccbf 100644 --- a/xorg-server/fb/fbtrap.c +++ b/xorg-server/fb/fbtrap.c @@ -1,159 +1,210 @@ -/*
- * Copyright © 2004 Keith Packard
- *
- * 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.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "fb.h"
-
-#include "picturestr.h"
-#include "mipict.h"
-#include "fbpict.h"
-
-void
-fbAddTraps (PicturePtr pPicture,
- INT16 x_off,
- INT16 y_off,
- int ntrap,
- xTrap *traps)
-{
- int image_xoff, image_yoff;
- pixman_image_t *image = image_from_pict (pPicture, FALSE, &image_xoff, &image_yoff);
-
- if (!image)
- return;
-
- pixman_add_traps (image, x_off, y_off, ntrap, (pixman_trap_t *)traps);
-
- free_pixman_pict (pPicture, image);
-}
-
-void
-fbRasterizeTrapezoid (PicturePtr pPicture,
- xTrapezoid *trap,
- int x_off,
- int y_off)
-{
- int mask_xoff, mask_yoff;
- pixman_image_t *image = image_from_pict (pPicture, FALSE, &mask_xoff, &mask_yoff);
-
- if (!image)
- return;
-
- pixman_rasterize_trapezoid (image, (pixman_trapezoid_t *)trap, x_off, y_off);
-
- free_pixman_pict (pPicture, image);
-}
-
-static int
-_GreaterY (xPointFixed *a, xPointFixed *b)
-{
- if (a->y == b->y)
- return a->x > b->x;
- return a->y > b->y;
-}
-
-/*
- * Note that the definition of this function is a bit odd because
- * of the X coordinate space (y increasing downwards).
- */
-static int
-_Clockwise (xPointFixed *ref, xPointFixed *a, xPointFixed *b)
-{
- xPointFixed ad, bd;
-
- ad.x = a->x - ref->x;
- ad.y = a->y - ref->y;
- bd.x = b->x - ref->x;
- bd.y = b->y - ref->y;
-
- return ((xFixed_32_32) bd.y * ad.x - (xFixed_32_32) ad.y * bd.x) < 0;
-}
-
-/* FIXME -- this could be made more efficient */
-void
-fbAddTriangles (PicturePtr pPicture,
- INT16 x_off,
- INT16 y_off,
- int ntri,
- xTriangle *tris)
-{
- xPointFixed *top, *left, *right, *tmp;
- xTrapezoid trap;
-
- for (; ntri; ntri--, tris++)
- {
- top = &tris->p1;
- left = &tris->p2;
- right = &tris->p3;
- if (_GreaterY (top, left)) {
- tmp = left; left = top; top = tmp;
- }
- if (_GreaterY (top, right)) {
- tmp = right; right = top; top = tmp;
- }
- if (_Clockwise (top, right, left)) {
- tmp = right; right = left; left = tmp;
- }
-
- /*
- * Two cases:
- *
- * + +
- * / \ / \
- * / \ / \
- * / + + \
- * / -- -- \
- * / -- -- \
- * / --- --- \
- * +-- --+
- */
-
- trap.top = top->y;
- trap.left.p1 = *top;
- trap.left.p2 = *left;
- trap.right.p1 = *top;
- trap.right.p2 = *right;
- if (right->y < left->y)
- trap.bottom = right->y;
- else
- trap.bottom = left->y;
- fbRasterizeTrapezoid (pPicture, &trap, x_off, y_off);
- if (right->y < left->y)
- {
- trap.top = right->y;
- trap.bottom = left->y;
- trap.right.p1 = *right;
- trap.right.p2 = *left;
- }
- else
- {
- trap.top = left->y;
- trap.bottom = right->y;
- trap.left.p1 = *left;
- trap.left.p2 = *right;
- }
- fbRasterizeTrapezoid (pPicture, &trap, x_off, y_off);
- }
-}
-
+/* + * Copyright © 2004 Keith Packard + * + * 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. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "fb.h" + +#include "picturestr.h" +#include "mipict.h" +#include "fbpict.h" + +void +fbAddTraps (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntrap, + xTrap *traps) +{ + int image_xoff, image_yoff; + pixman_image_t *image = image_from_pict (pPicture, FALSE, &image_xoff, &image_yoff); + + if (!image) + return; + + pixman_add_traps (image, x_off, y_off, ntrap, (pixman_trap_t *)traps); + + free_pixman_pict (pPicture, image); +} + +void +fbRasterizeTrapezoid (PicturePtr pPicture, + xTrapezoid *trap, + int x_off, + int y_off) +{ + int mask_xoff, mask_yoff; + pixman_image_t *image = image_from_pict (pPicture, FALSE, &mask_xoff, &mask_yoff); + + if (!image) + return; + + pixman_rasterize_trapezoid (image, (pixman_trapezoid_t *)trap, x_off, y_off); + + free_pixman_pict (pPicture, image); +} + +void +fbAddTriangles (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntri, + xTriangle *tris) +{ + int image_xoff, image_yoff; + pixman_image_t *image = + image_from_pict (pPicture, FALSE, &image_xoff, &image_yoff); + + if (!image) + return; + + pixman_add_triangles (image, x_off, y_off, ntri, (pixman_triangle_t *)tris); + + free_pixman_pict (pPicture, image); +} + +typedef void (* CompositeShapesFunc) (pixman_op_t op, + pixman_image_t *src, + pixman_image_t *dst, + pixman_format_code_t mask_format, + int x_src, int y_src, + int x_dst, int y_dst, + int n_shapes, const uint8_t *shapes); + +static void +fbShapes (CompositeShapesFunc composite, + pixman_op_t op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + int16_t xSrc, + int16_t ySrc, + int16_t xDst, + int16_t yDst, + int nshapes, + int shape_size, + const uint8_t * shapes) +{ + pixman_image_t *src, *dst; + int src_xoff, src_yoff; + int dst_xoff, dst_yoff; + + src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff); + dst = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff); + + if (src && dst) + { + pixman_format_code_t format; + + if (!maskFormat) + { + int i; + + if (pDst->polyEdge == PolyEdgeSharp) + format = PIXMAN_a1; + else + format = PIXMAN_a8; + + for (i = 0; i < nshapes; ++i) + { + composite (op, src, dst, format, + xSrc + src_xoff, + ySrc + src_yoff, + xDst + dst_xoff, + yDst + dst_yoff, + 1, shapes + i * shape_size); + } + } + else + { + switch (PICT_FORMAT_A (maskFormat->format)) + { + case 1: + format = PIXMAN_a1; + break; + + case 4: + format = PIXMAN_a4; + break; + + default: + case 8: + format = PIXMAN_a8; + break; + } + + composite (op, src, dst, format, + xSrc + src_xoff, + ySrc + src_yoff, + xDst + dst_xoff, + yDst + dst_yoff, + nshapes, shapes); + } + } + + free_pixman_pict (pSrc, src); + free_pixman_pict (pDst, dst); +} + +void +fbTrapezoids (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntrap, + xTrapezoid *traps) +{ + int xDst, yDst; + + xDst = traps[0].left.p1.x >> 16; + yDst = traps[0].left.p1.y >> 16; + + fbShapes ((CompositeShapesFunc)pixman_composite_trapezoids, + op, pSrc, pDst, maskFormat, + xSrc, ySrc, xDst, yDst, + ntrap, sizeof (xTrapezoid), (const uint8_t *)traps); +} + +void +fbTriangles (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntris, + xTriangle *tris) +{ + int xDst, yDst; + + xDst = tris[0].p1.x >> 16; + yDst = tris[0].p1.y >> 16; + + fbShapes ((CompositeShapesFunc)pixman_composite_triangles, + op, pSrc, pDst, maskFormat, + xSrc, ySrc, xDst, yDst, + ntris, sizeof (xTriangle), (const uint8_t *)tris); +} |