diff options
Diffstat (limited to 'render')
| -rw-r--r-- | render/Makefile.am | 5 | ||||
| -rw-r--r-- | render/renderedge.c | 91 | ||||
| -rw-r--r-- | render/renderedge.h | 105 |
3 files changed, 2 insertions, 199 deletions
diff --git a/render/Makefile.am b/render/Makefile.am index 216c6134e..d02028b3b 100644 --- a/render/Makefile.am +++ b/render/Makefile.am @@ -13,9 +13,8 @@ librender_la_SOURCES = \ mitrap.c \ mitri.c \ picture.c \ - render.c \ - renderedge.c + render.c if XORG -sdk_HEADERS = picture.h mipict.h glyphstr.h picturestr.h renderedge.h +sdk_HEADERS = picture.h mipict.h glyphstr.h picturestr.h endif diff --git a/render/renderedge.c b/render/renderedge.c deleted file mode 100644 index 8771fe164..000000000 --- a/render/renderedge.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * 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 "renderedge.h" - -/* - * Compute the smallest value no less than y which is on a - * grid row - */ - -xFixed -RenderSampleCeilY (xFixed y, int n) -{ - return pixman_sample_ceil_y (y, n); -} - -#define _div(a,b) ((a) >= 0 ? (a) / (b) : -((-(a) + (b) - 1) / (b))) - -/* - * Compute the largest value no greater than y which is on a - * grid row - */ -xFixed -RenderSampleFloorY (xFixed y, int n) -{ - return pixman_sample_floor_y (y, n); -} - -/* - * Step an edge by any amount (including negative values) - */ -void -RenderEdgeStep (RenderEdge *e, int n) -{ - pixman_edge_step (e, n); -} - -/* - * Initialize one edge structure given the line endpoints and a - * starting y value - */ -void -RenderEdgeInit (RenderEdge *e, - int n, - xFixed y_start, - xFixed x_top, - xFixed y_top, - xFixed x_bot, - xFixed y_bot) -{ - pixman_edge_init (e, n, y_start, x_top, y_top, x_bot, y_bot); -} - -/* - * Initialize one edge structure given a line, starting y value - * and a pixel offset for the line - */ -void -RenderLineFixedEdgeInit (RenderEdge *e, - int n, - xFixed y, - xLineFixed *line, - int x_off, - int y_off) -{ - pixman_line_fixed_edge_init (e, n, y, (pixman_line_fixed_t *)line, x_off, y_off); -} - diff --git a/render/renderedge.h b/render/renderedge.h deleted file mode 100644 index 6585aeb90..000000000 --- a/render/renderedge.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * 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. - */ - -#ifndef _RENDEREDGE_H_ -#define _RENDEREDGE_H_ - -#include "picturestr.h" - -#define MAX_ALPHA(n) ((1 << (n)) - 1) -#define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n)/2)) - 1) -#define N_X_FRAC(n) ((1 << ((n)/2)) + 1) - -#define STEP_Y_SMALL(n) (xFixed1 / N_Y_FRAC(n)) -#define STEP_Y_BIG(n) (xFixed1 - (N_Y_FRAC(n) - 1) * STEP_Y_SMALL(n)) - -#define Y_FRAC_FIRST(n) (STEP_Y_SMALL(n) / 2) -#define Y_FRAC_LAST(n) (Y_FRAC_FIRST(n) + (N_Y_FRAC(n) - 1) * STEP_Y_SMALL(n)) - -#define STEP_X_SMALL(n) (xFixed1 / N_X_FRAC(n)) -#define STEP_X_BIG(n) (xFixed1 - (N_X_FRAC(n) - 1) * STEP_X_SMALL(n)) - -#define X_FRAC_FIRST(n) (STEP_X_SMALL(n) / 2) -#define X_FRAC_LAST(n) (X_FRAC_FIRST(n) + (N_X_FRAC(n) - 1) * STEP_X_SMALL(n)) - -#define RenderSamplesX(x,n) ((n) == 1 ? 0 : (xFixedFrac (x) + X_FRAC_FIRST(n)) / STEP_X_SMALL(n)) - -/* - * An edge structure. This represents a single polygon edge - * and can be quickly stepped across small or large gaps in the - * sample grid - */ -typedef pixman_edge_t RenderEdge; - -/* - * Step across a small sample grid gap - */ -#define RenderEdgeStepSmall(edge) { \ - edge->x += edge->stepx_small; \ - edge->e += edge->dx_small; \ - if (edge->e > 0) \ - { \ - edge->e -= edge->dy; \ - edge->x += edge->signdx; \ - } \ -} - -/* - * Step across a large sample grid gap - */ -#define RenderEdgeStepBig(edge) { \ - edge->x += edge->stepx_big; \ - edge->e += edge->dx_big; \ - if (edge->e > 0) \ - { \ - edge->e -= edge->dy; \ - edge->x += edge->signdx; \ - } \ -} - -extern _X_EXPORT xFixed -RenderSampleCeilY (xFixed y, int bpp); - -extern _X_EXPORT xFixed -RenderSampleFloorY (xFixed y, int bpp); - -extern _X_EXPORT void -RenderEdgeStep (RenderEdge *e, int n); - -extern _X_EXPORT void -RenderEdgeInit (RenderEdge *e, - int bpp, - xFixed y_start, - xFixed x_top, - xFixed y_top, - xFixed x_bot, - xFixed y_bot); - -extern _X_EXPORT void -RenderLineFixedEdgeInit (RenderEdge *e, - int bpp, - xFixed y, - xLineFixed *line, - int x_off, - int y_off); - -#endif /* _RENDEREDGE_H_ */ |