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- fixed blitters for big endian systems, will probably work now

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This commit is contained in:
gbeauche 2000-09-23 06:51:30 +00:00
parent b7d6274743
commit 3f7747a724
1 changed files with 70 additions and 15 deletions
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77
BasiliskII/src/Unix/video_vosf.h
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@ -91,7 +91,7 @@ static void do_fbcopy_raw(uint8 * dest, const uint8 * source, uint32 length)
#error "incomplete"
#define FB_BLIT_1(dst, src) (dst = (src))
#define FB_BLIT_2(dst, src) (dst = (src))
#define FB_DEPTH 8
#define FB_DEPTH 0
#define FB_FUNC_NAME do_fbcopy_raw
#include "video_blit.h"
#endif
@ -99,6 +99,12 @@ static void do_fbcopy_raw(uint8 * dest, const uint8 * source, uint32 length)
// RGB 555
#ifdef WORDS_BIGENDIAN
# define FB_FUNC_NAME do_fbcopy_15_obo
#else
# define FB_FUNC_NAME do_fbcopy_15_nbo
#endif
#define FB_BLIT_1(dst, src) \
(dst = (((src) >> 8) & 0xff) | (((src) & 0xff) << 8))
@ -106,12 +112,41 @@ static void do_fbcopy_raw(uint8 * dest, const uint8 * source, uint32 length)
(dst = (((src) >> 8) & 0x00ff00ff) | (((src) & 0x00ff00ff) << 8))
#define FB_DEPTH 15
#define FB_FUNC_NAME do_fbcopy_15
#include "video_blit.h"
// RGB 565
#ifdef WORDS_BIGENDIAN
// native byte order
#define FB_BLIT_1(dst, src) \
(dst = (((src) & 0x1f) | (((src) << 1) & 0xffc0)))
#define FB_BLIT_2(dst, src) \
(dst = (((src) & 0x001f001f) | (((src) << 1) & 0xffc0ffc0)))
#define FB_DEPTH 16
#define FB_FUNC_NAME do_fbcopy_16_nbo
#include "video_blit.h"
// opposite byte order (untested)
#define FB_BLIT_1(dst, src) \
(dst = ((((src) >> 6) & 0xff) | (((src) & 0x60) << 9)))
#define FB_BLIT_2(dst, src) \
(dst = ((((src) >> 6) & 0x00ff00ff) | (((src) & 0x00600060) << 9)))
#define FB_DEPTH 16
#define FB_FUNC_NAME do_fbcopy_16_obo
#include "video_blit.h"
#else
// native byte order
#define FB_BLIT_1(dst, src) \
(dst = (((src) >> 8) & 0x001f) | (((src) << 9) & 0xfe00) | (((src) >> 7) & 0x01c0))
@ -119,12 +154,31 @@ static void do_fbcopy_raw(uint8 * dest, const uint8 * source, uint32 length)
(dst = (((src) >> 8) & 0x001f001f) | (((src) << 9) & 0xfe00fe00) | (((src) >> 7) & 0x01c001c0))
#define FB_DEPTH 16
#define FB_FUNC_NAME do_fbcopy_16
#define FB_FUNC_NAME do_fbcopy_16_nbo
#include "video_blit.h"
// opposite byte order (untested)
#define FB_BLIT_1(dst, src) \
(dst = (((src) & 0x1f00) | (((src) << 1) & 0xe0fe) | (((src) >> 15) & 1)))
#define FB_BLIT_2(dst, src) \
(dst = (((src) & 0x1f001f00) | (((src) << 1) & 0xe0fee0fe) | (((src) >> 15) & 0x10001)))
#define FB_DEPTH 16
#define FB_FUNC_NAME do_fbcopy_16_obo
#include "video_blit.h"
#endif
// RGB 888
#ifdef WORDS_BIGENDIAN
# define FB_FUNC_NAME do_fbcopy_24_obo
#else
# define FB_FUNC_NAME do_fbcopy_24_nbo
#endif
#define FB_BLIT_1(dst, src) \
(dst = (src))
@ -132,7 +186,6 @@ static void do_fbcopy_raw(uint8 * dest, const uint8 * source, uint32 length)
(dst = (((src) >> 24) & 0xff) | (((src) >> 16) & 0xff00) | (((src) & 0xff00) << 16) | (((src) & 0xff) << 24))
#define FB_DEPTH 24
#define FB_FUNC_NAME do_fbcopy_24
#include "video_blit.h"
@ -155,20 +208,22 @@ static fbcopy_func do_update_framebuffer;
// NT : not tested
// OK : has been successfully tested
// NBO : native byte order
// OBO : opposite byte order
static fbcopy_func fbcopy_funcs[ID_DEPTH_COUNT][2][2] = {
#ifdef WORDS_BIGENDIAN
/* alt byte order native byte order */
/* opposite byte order native byte order */
/* 1 bpp */ { WD(fbcopy_raw) , WD(fbcopy_raw) }, // NT
/* 8 bpp */ { WD(fbcopy_raw) , WD(fbcopy_raw) }, // OK (NBO)
/* 15 bpp */ { WD(fbcopy_15) , WD(fbcopy_raw) }, // NT
/* 16 bpp */ { WD(fbcopy_16) , WD(fbcopy_raw) }, // NT
/* 24 bpp */ { WD(fbcopy_24) , WD(fbcopy_raw) } // NT
/* 15 bpp */ { WD(fbcopy_15_obo) , WD(fbcopy_raw) }, // NT
/* 16 bpp */ { WD(fbcopy_16_obo) , WD(fbcopy_16_nbo) }, // NT
/* 24 bpp */ { WD(fbcopy_24_obo) , WD(fbcopy_raw) } // NT
#else
/* opposite byte order native byte order */
/* 1 bpp */ { WD(fbcopy_raw) , WD(fbcopy_raw) }, // NT
/* 8 bpp */ { WD(fbcopy_raw) , WD(fbcopy_raw) }, // OK (NBO)
/* 15 bpp */ { WD(fbcopy_15) , WD(fbcopy_15) }, // OK (NBO)
/* 16 bpp */ { WD(fbcopy_16) , WD(fbcopy_16) }, // OK (NBO)
/* 24 bpp */ { WD(fbcopy_24) , WD(fbcopy_24) } // NT
/* 15 bpp */ { WD(fbcopy_raw) , WD(fbcopy_15_nbo) }, // OK (NBO)
/* 16 bpp */ { WD(fbcopy_16_obo) , WD(fbcopy_16_nbo) }, // OK (NBO)
/* 24 bpp */ { WD(fbcopy_raw) , WD(fbcopy_24_nbo) } // NT
#endif
};