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author | marha <marha@users.sourceforge.net> | 2011-09-26 17:08:48 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2011-09-26 17:08:48 +0200 |
commit | 95acf9816e008fa46a6c2fa2f35500deb358bb69 (patch) | |
tree | ad86feed38d780515cf9da608c5ea21eed04e17d /mesalib/src/gallium/auxiliary/util/u_rect.c | |
parent | 4f67039e9191d5251c39069bd791a05c5cf22022 (diff) | |
parent | 873965b49f283ad028dd4e0e5b7e93a758c84993 (diff) | |
download | vcxsrv-95acf9816e008fa46a6c2fa2f35500deb358bb69.tar.gz vcxsrv-95acf9816e008fa46a6c2fa2f35500deb358bb69.tar.bz2 vcxsrv-95acf9816e008fa46a6c2fa2f35500deb358bb69.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
libXmu/src/CmapAlloc.c
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_rect.c')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_rect.c | 329 |
1 files changed, 165 insertions, 164 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_rect.c b/mesalib/src/gallium/auxiliary/util/u_rect.c index b11fff791..59bebbcb7 100644 --- a/mesalib/src/gallium/auxiliary/util/u_rect.c +++ b/mesalib/src/gallium/auxiliary/util/u_rect.c @@ -1,164 +1,165 @@ -/**************************************************************************
- *
- * 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.
- *
- **************************************************************************/
-
-/**
- * Rectangle-related helper functions.
- */
-
-
-#include "util/u_format.h"
-#include "util/u_rect.h"
-#include "util/u_pack_color.h"
-
-
-/**
- * Copy 2D rect from one place to another.
- * Position and sizes are in pixels.
- * src_stride may be negative to do vertical flip of pixels from source.
- */
-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)
-{
- unsigned i;
- int src_stride_pos = src_stride < 0 ? -src_stride : src_stride;
- int blocksize = util_format_get_blocksize(format);
- int blockwidth = util_format_get_blockwidth(format);
- int blockheight = util_format_get_blockheight(format);
-
- assert(blocksize > 0);
- assert(blockwidth > 0);
- assert(blockheight > 0);
-
- dst_x /= blockwidth;
- dst_y /= blockheight;
- width = (width + blockwidth - 1)/blockwidth;
- height = (height + blockheight - 1)/blockheight;
- src_x /= blockwidth;
- src_y /= blockheight;
-
- dst += dst_x * blocksize;
- src += src_x * blocksize;
- dst += dst_y * dst_stride;
- src += src_y * src_stride_pos;
- width *= blocksize;
-
- if (width == dst_stride && width == src_stride)
- memcpy(dst, src, height * width);
- else {
- for (i = 0; i < height; i++) {
- memcpy(dst, src, width);
- dst += dst_stride;
- src += src_stride;
- }
- }
-}
-
-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)
-{
- unsigned i, j;
- unsigned width_size;
- int blocksize = util_format_get_blocksize(format);
- int blockwidth = util_format_get_blockwidth(format);
- int blockheight = util_format_get_blockheight(format);
-
- assert(blocksize > 0);
- assert(blockwidth > 0);
- assert(blockheight > 0);
-
- dst_x /= blockwidth;
- dst_y /= blockheight;
- width = (width + blockwidth - 1)/blockwidth;
- height = (height + blockheight - 1)/blockheight;
-
- dst += dst_x * blocksize;
- dst += dst_y * dst_stride;
- width_size = width * blocksize;
-
- switch (blocksize) {
- case 1:
- if(dst_stride == width_size)
- memset(dst, uc->ub, height * width_size);
- else {
- for (i = 0; i < height; i++) {
- memset(dst, uc->ub, width_size);
- dst += dst_stride;
- }
- }
- break;
- case 2:
- for (i = 0; i < height; i++) {
- uint16_t *row = (uint16_t *)dst;
- for (j = 0; j < width; j++)
- *row++ = uc->us;
- dst += dst_stride;
- }
- break;
- case 4:
- for (i = 0; i < height; i++) {
- uint32_t *row = (uint32_t *)dst;
- for (j = 0; j < width; j++)
- *row++ = uc->ui;
- dst += dst_stride;
- }
- break;
- case 8:
- case 12:
- case 16:
- case 24:
- case 32:
- for (i = 0; i < height; i++) {
- ubyte *row = dst;
- for (j = 0; j < width; j++) {
- memcpy(row, uc, blocksize);
- row += blocksize;
- }
- dst += dst_stride;
- }
- break;
- default:
- assert(0);
- break;
- }
-}
+/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * Rectangle-related helper functions. + */ + + +#include "util/u_format.h" +#include "util/u_rect.h" +#include "util/u_pack_color.h" + + +/** + * Copy 2D rect from one place to another. + * Position and sizes are in pixels. + * src_stride may be negative to do vertical flip of pixels from source. + */ +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) +{ + unsigned i; + int src_stride_pos = src_stride < 0 ? -src_stride : src_stride; + int blocksize = util_format_get_blocksize(format); + int blockwidth = util_format_get_blockwidth(format); + int blockheight = util_format_get_blockheight(format); + + assert(blocksize > 0); + assert(blockwidth > 0); + assert(blockheight > 0); + + dst_x /= blockwidth; + dst_y /= blockheight; + width = (width + blockwidth - 1)/blockwidth; + height = (height + blockheight - 1)/blockheight; + src_x /= blockwidth; + src_y /= blockheight; + + dst += dst_x * blocksize; + src += src_x * blocksize; + dst += dst_y * dst_stride; + src += src_y * src_stride_pos; + width *= blocksize; + + if (width == dst_stride && width == src_stride) + memcpy(dst, src, height * width); + else { + for (i = 0; i < height; i++) { + memcpy(dst, src, width); + dst += dst_stride; + src += src_stride; + } + } +} + +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) +{ + const struct util_format_description *desc = util_format_description(format); + unsigned i, j; + unsigned width_size; + int blocksize = desc->block.bits / 8; + int blockwidth = desc->block.width; + int blockheight = desc->block.height; + + assert(blocksize > 0); + assert(blockwidth > 0); + assert(blockheight > 0); + + dst_x /= blockwidth; + dst_y /= blockheight; + width = (width + blockwidth - 1)/blockwidth; + height = (height + blockheight - 1)/blockheight; + + dst += dst_x * blocksize; + dst += dst_y * dst_stride; + width_size = width * blocksize; + + switch (blocksize) { + case 1: + if(dst_stride == width_size) + memset(dst, uc->ub, height * width_size); + else { + for (i = 0; i < height; i++) { + memset(dst, uc->ub, width_size); + dst += dst_stride; + } + } + break; + case 2: + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst; + for (j = 0; j < width; j++) + *row++ = uc->us; + dst += dst_stride; + } + break; + case 4: + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst; + for (j = 0; j < width; j++) + *row++ = uc->ui; + dst += dst_stride; + } + break; + case 8: + case 12: + case 16: + case 24: + case 32: + for (i = 0; i < height; i++) { + ubyte *row = dst; + for (j = 0; j < width; j++) { + memcpy(row, uc, blocksize); + row += blocksize; + } + dst += dst_stride; + } + break; + default: + assert(0); + break; + } +} |