+++ /dev/null
-/*
- * TinyPTC x11 v0.7.3 Pixelformat converters
- * Copyright (C) 2000-2002 Alessandro Gatti <a.gatti@tiscali.it>
- * Copyright (C) 2000-2001 Glenn Fiedler <gaffer@gaffer.org>
- *
- * http://www.sourceforge.net/projects/tinyptc/
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "convert.h"
-#include "mmx.h"
-#include <string.h>
-
-#ifdef __PTC_CONVERTER_32_TO_32_RGB888
-void
-ptc_convert_32_to_32_rgb888 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_memcpy (dst, src, pixels * 4);
-#else
-#ifdef __PTC_MEMCPY__
- memcpy (dst, src, pixels * 4);
-#else
- int32 *p = (int32 *) src;
- int32 *q = (int32 *) dst;
- while (pixels--)
- {
- *(q++) = *(p++);
- }
-#endif /* __PTC_MEMCPY__ */
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_32_RGB888 */
-
-#ifdef __PTC_CONVERTER_32_TO_32_BGR888
-void
-ptc_convert_32_to_32_bgr888 (void *src, void *dst, int pixels)
-{
- int32 *p = (int32 *) src;
- int32 *q = (int32 *) dst;
- while (pixels--)
- {
-#ifdef __PTC_LITTLE_ENDIAN__
- int32 r = (int32) ((*p & 0x00FF0000) << 8);
- int32 g = (int32) ((*p & 0x0000FF00) << 8);
- int32 b = (int32) ((*p & 0x000000FF) << 8);
-#else
- int32 r = (int32) ((*p & 0x00FF0000) >> 16);
- int32 g = (int32) ((*p & 0x0000FF00));
- int32 b = (int32) ((*p & 0x000000FF) << 16);
-#endif /* __PTC_LITTLE_ENDIAN__ */
- *(q++) = r | g | b;
- p++;
- }
-}
-#endif /* __PTC_CONVERTER_32_TO_32_BGR888 */
-
-#ifdef __PTC_CONVERTER_32_TO_24_RGB888
-void
-ptc_convert_32_to_24_rgb888 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_convert_32_to_24_rgb888 (dst, src, pixels);
-#else
- char8 *p = (char8 *) src;
- char8 *q = (char8 *) dst;
- while (pixels--)
- {
-#ifdef __PTC_LITTLE_ENDIAN__
- *q = *p;
- *(q + 1) = *(p + 1);
- *(q + 2) = *(p + 2);
-#else
- *(q + 2) = *p;
- *(q + 1) = *(p + 1);
- *q = *(p + 2);
-#endif /* __PTC_LITTLE_ENDIAN__ */
- p += 4;
- q += 3;
- }
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_24_RGB888 */
-
-#ifdef __PTC_CONVERTER_32_TO_24_BGR888
-void
-ptc_convert_32_to_24_bgr888 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_convert_32_to_24_bgr888 (dst, src, pixels);
-#else
- char8 *p = (char8 *) src;
- char8 *q = (char8 *) dst;
- while (pixels--)
- {
-#ifdef __PTC_LITTLE_ENDIAN__
- *(q + 2) = *p;
- *(q + 1) = *(p + 1);
- *q = *(p + 2);
-#else
- *q = *p;
- *(q + 1) = *(p + 1);
- *(q + 2) = *(p + 2);
-#endif /* __PTC_LITTLE_ENDIAN__ */
- p += 4;
- q += 3;
- }
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_24_BGR888 */
-
-#ifdef __PTC_CONVERTER_32_TO_16_RGB565
-void
-ptc_convert_32_to_16_rgb565 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_convert_32_to_16_rgb565 (dst, src, pixels);
-#else
- int32 *p = (int32 *) src;
- short16 *q = (short16 *) dst;
- while (pixels--)
- {
- short16 r = (short16) ((*p & 0x00F80000) >> 8);
- short16 g = (short16) ((*p & 0x0000FC00) >> 5);
- short16 b = (short16) ((*p & 0x000000F8) >> 3);
- *q = r | g | b;
- p++;
- q++;
- }
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_16_RGB565 */
-
-#ifdef __PTC_CONVERTER_32_TO_16_BGR565
-void
-ptc_convert_32_to_16_bgr565 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_convert_32_to_16_bgr565 (dst, src, pixels);
-#else
- int32 *p = (int32 *) src;
- short16 *q = (short16 *) dst;
- while (pixels--)
- {
- short16 r = (short16) ((*p & 0x00F80000) >> 19);
- short16 g = (short16) ((*p & 0x0000FC00) >> 5);
- short16 b = (short16) ((*p & 0x000000F8) << 8);
- *q = r | g | b;
- p++;
- q++;
- }
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_16_RGB565 */
-
-#ifdef __PTC_CONVERTER_32_TO_16_RGB555
-void
-ptc_convert_32_to_16_rgb555 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_convert_32_to_16_rgb555 (dst, src, pixels);
-#else
- int32 *p = (int32 *) src;
- short16 *q = (short16 *) dst;
- while (pixels--)
- {
- short16 r = (short16) ((*p & 0x00F80000) >> 9);
- short16 g = (short16) ((*p & 0x0000F800) >> 6);
- short16 b = (short16) ((*p & 0x000000F8) >> 3);
- *q = r | g | b;
- p++;
- q++;
- }
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_16_RGB555 */
-
-#ifdef __PTC_CONVERTER_32_TO_16_BGR555
-void
-ptc_convert_32_to_16_bgr555 (void *src, void *dst, int pixels)
-{
-#ifdef __PTC_MMX__
- mmx_convert_32_to_16_bgr555 (dst, src, pixels);
-#else
- int32 *p = (int32 *) src;
- short16 *q = (short16 *) dst;
- while (pixels--)
- {
- short16 r = (short16) ((*p & 0x00F80000) >> 20);
- short16 g = (short16) ((*p & 0x0000F800) >> 6);
- short16 b = (short16) ((*p & 0x000000F8) << 8);
- *q = r | g | b;
- p++;
- q++;
- }
-#endif /* __PTC_MMX__ */
-}
-#endif /* __PTC_CONVERTER_32_TO_16_BGR555 */
-
-PTC_CONVERTER
-ptc_request_converter (int bits, int32 r, int32 g, int32 b)
-{
- /* 32bit RGB888 -> 32bit RGB888 */
-#ifdef __PTC_CONVERTER_32_TO_32_RGB888
- if (bits == 32 && r == 0x00FF0000 && g == 0x0000FF00 && b == 0x000000FF)
- return &ptc_convert_32_to_32_rgb888;
-#endif
-
- /* 32bit RGB888 -> 32bit BGR888 */
-#ifdef __PTC_CONVERTER_32_TO_32_BGR888
- if (bits == 32 && r == 0x000000FF && g == 0x0000FF00 && b == 0x00FF0000)
- return &ptc_convert_32_to_32_bgr888;
-#endif
-
- /* 32bit RGB888 -> 24bit RGB888 */
-#ifdef __PTC_CONVERTER_32_TO_24_RGB888
- if (bits == 24 && r == 0x00FF0000 && g == 0x0000FF00 && b == 0x000000FF)
- return &ptc_convert_32_to_24_rgb888;
-#endif
-
- /* 32bit RGB888 -> 24bit BGR888 */
-#ifdef __PTC_CONVERTER_32_TO_24_BGR888
- if (bits == 24 && r == 0x000000FF && g == 0x0000FF00 && b == 0x00FF0000)
- return &ptc_convert_32_to_24_bgr888;
-#endif
-
- /* 32bit RGB888 -> 16bit RGB565 */
-#ifdef __PTC_CONVERTER_32_TO_16_RGB565
- if (bits == 16 && r == 0xF800 && g == 0x07E0 && b == 0x001F)
- return &ptc_convert_32_to_16_rgb565;
-#endif
-
- /* 32bit RGB888 -> 16bit BGR565 */
-#ifdef __PTC_CONVERTER_32_TO_16_BGR565
- if (bits == 16 && r == 0x001F && g == 0x07E0 && b == 0xF800)
- return &ptc_convert_32_to_16_bgr565;
-#endif
-
- /* 32bit RGB888 -> 16bit RGB555 */
-#ifdef __PTC_CONVERTER_32_TO_16_RGB555
- if (bits == 16 && r == 0x7C00 && g == 0x03E0 && b == 0x001F)
- return &ptc_convert_32_to_16_rgb555;
-#endif
-
- /* 32bit RGB888 -> 16bit BGR555 */
-#ifdef __PTC_CONVERTER_32_TO_16_BGR555
- if (bits == 16 && r == 0x001F && g == 0x03E0 && b == 0x7C00)
- return &ptc_convert_32_to_16_bgr555;
-#endif
-
- /* failure */
- return 0;
-}
projects / ccbs / blobdiff