diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_rect.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_rect.h | 206 |
1 files changed, 103 insertions, 103 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_rect.h b/mesalib/src/gallium/auxiliary/util/u_rect.h index d16f106bf..4cb90d3c3 100644 --- a/mesalib/src/gallium/auxiliary/util/u_rect.h +++ b/mesalib/src/gallium/auxiliary/util/u_rect.h @@ -1,103 +1,103 @@ -/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-#ifndef U_RECT_H
-#define U_RECT_H
-
-#include "pipe/p_compiler.h"
-
-struct u_rect {
- int x0, x1;
- int y0, y1;
-};
-
-/* Do two rectangles intersect?
- */
-static INLINE boolean
-u_rect_test_intersection(const struct u_rect *a,
- const struct u_rect *b)
-{
- return (!(a->x1 < b->x0 ||
- b->x1 < a->x0 ||
- a->y1 < b->y0 ||
- b->y1 < a->y0));
-}
-
-/* Find the intersection of two rectangles known to intersect.
- */
-static INLINE void
-u_rect_find_intersection(const struct u_rect *a,
- struct u_rect *b)
-{
- /* Caller should verify intersection exists before calling.
- */
- if (b->x0 < a->x0) b->x0 = a->x0;
- if (b->x1 > a->x1) b->x1 = a->x1;
- if (b->y0 < a->y0) b->y0 = a->y0;
- if (b->y1 > a->y1) b->y1 = a->y1;
-}
-
-
-static INLINE void
-u_rect_possible_intersection(const struct u_rect *a,
- struct u_rect *b)
-{
- if (u_rect_test_intersection(a,b)) {
- u_rect_find_intersection(a,b);
- }
- else {
- b->x0 = b->x1 = b->y0 = b->y1 = 0;
- }
-}
-
-#include "pipe/p_format.h"
-#include "util/u_pack_color.h"
-
-
-
-/**********************************************************************
- * Pipe copy/fill rect helpers.
- */
-
-/* These really should move to a different file:
- */
-#include "pipe/p_format.h"
-
-extern void
-util_copy_rect(ubyte * dst, enum pipe_format format,
- unsigned dst_stride, unsigned dst_x, unsigned dst_y,
- unsigned width, unsigned height, const ubyte * src,
- int src_stride, unsigned src_x, unsigned src_y);
-
-extern void
-util_fill_rect(ubyte * dst, enum pipe_format format,
- unsigned dst_stride, unsigned dst_x, unsigned dst_y,
- unsigned width, unsigned height, union util_color *uc);
-
-
-#endif /* U_RECT_H */
+/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef U_RECT_H +#define U_RECT_H + +#include "pipe/p_compiler.h" + +struct u_rect { + int x0, x1; + int y0, y1; +}; + +/* Do two rectangles intersect? + */ +static INLINE boolean +u_rect_test_intersection(const struct u_rect *a, + const struct u_rect *b) +{ + return (!(a->x1 < b->x0 || + b->x1 < a->x0 || + a->y1 < b->y0 || + b->y1 < a->y0)); +} + +/* Find the intersection of two rectangles known to intersect. + */ +static INLINE void +u_rect_find_intersection(const struct u_rect *a, + struct u_rect *b) +{ + /* Caller should verify intersection exists before calling. + */ + if (b->x0 < a->x0) b->x0 = a->x0; + if (b->x1 > a->x1) b->x1 = a->x1; + if (b->y0 < a->y0) b->y0 = a->y0; + if (b->y1 > a->y1) b->y1 = a->y1; +} + + +static INLINE void +u_rect_possible_intersection(const struct u_rect *a, + struct u_rect *b) +{ + if (u_rect_test_intersection(a,b)) { + u_rect_find_intersection(a,b); + } + else { + b->x0 = b->x1 = b->y0 = b->y1 = 0; + } +} + +#include "pipe/p_format.h" +#include "util/u_pack_color.h" + + + +/********************************************************************** + * Pipe copy/fill rect helpers. + */ + +/* These really should move to a different file: + */ +#include "pipe/p_format.h" + +extern void +util_copy_rect(ubyte * dst, enum pipe_format format, + unsigned dst_stride, unsigned dst_x, unsigned dst_y, + unsigned width, unsigned height, const ubyte * src, + int src_stride, unsigned src_x, unsigned src_y); + +extern void +util_fill_rect(ubyte * dst, enum pipe_format format, + unsigned dst_stride, unsigned dst_x, unsigned dst_y, + unsigned width, unsigned height, union util_color *uc); + + +#endif /* U_RECT_H */ |