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/* |
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* video_blit.cpp - Video/graphics emulation, blitters |
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* |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* Basilisk II (C) 1997-2008 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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*/ |
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#include "sysdeps.h" |
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#include "video.h" |
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#include "video_blit.h" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <X11/Xlib.h> |
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#include <X11/Xutil.h> |
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|
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#ifdef ENABLE_VOSF |
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// Format of the target visual |
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struct VisualFormat { |
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int depth; // Screen depth |
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uint32 Rmask, Gmask, Bmask; // RGB mask values |
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uint32 Rshift, Gshift, Bshift; // RGB shift values |
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}; |
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static VisualFormat visualFormat; |
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|
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// This holds the pixels values of the palette colors for 8->16/32-bit expansion |
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uint32 ExpandMap[256]; |
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|
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// Mark video_blit.h for specialization |
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#define DEFINE_VIDEO_BLITTERS 1 |
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|
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/* -------------------------------------------------------------------------- */ |
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/* --- Raw Copy / No conversion required --- */ |
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/* -------------------------------------------------------------------------- */ |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 8) & 0x00ff00ff) | (((src) & 0x00ff00ff) << 8)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 8) & UVAL64(0x00ff00ff00ff00ff)) | \ |
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(((src) & UVAL64(0x00ff00ff00ff00ff)) << 8)) |
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|
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#define FB_DEPTH 15 |
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#include "video_blit.h" |
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|
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 10) & 0x001f001f) | ((src) & 0x03e003e0) | (((src) << 10) & 0x7c007c00)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 10) & UVAL64(0x001f001f001f001f)) | \ |
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( (src) & UVAL64(0x03e003e003e003e0)) | \ |
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(((src) << 10) & UVAL64(0x7c007c007c007c00))) |
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|
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#define FB_DEPTH 15 |
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#define FB_FUNC_NAME Blit_BGR555_NBO |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 2) & 0x1f001f00) | (((src) >> 8) & 0x30003) | (((src) << 8) & 0xe000e000) | (((src) << 2) & 0x7c007c)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 2) & UVAL64(0x1f001f001f001f00)) | \ |
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(((src) >> 8) & UVAL64(0x0003000300030003)) | \ |
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(((src) << 8) & UVAL64(0xe000e000e000e000)) | \ |
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(((src) << 2) & UVAL64(0x007c007c007c007c))) |
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|
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#define FB_DEPTH 15 |
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#define FB_FUNC_NAME Blit_BGR555_OBO |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 2) & 0x1f001f) | (((src) >> 8) & 0xe000e0) | (((src) << 8) & 0x03000300) | (((src) << 2) & 0x7c007c00)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 2) & UVAL64(0x001f001f001f001f)) | \ |
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(((src) >> 8) & UVAL64(0x00e000e000e000e0)) | \ |
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(((src) << 8) & UVAL64(0x0300030003000300)) | \ |
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(((src) << 2) & UVAL64(0x7c007c007c007c00))) |
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|
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#define FB_DEPTH 15 |
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#define FB_FUNC_NAME Blit_BGR555_NBO |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) << 6) & 0x1f001f00) | ((src) & 0xe003e003) | (((src) >> 6) & 0x7c007c)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) << 6) & UVAL64(0x1f001f001f001f00)) | \ |
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( (src) & UVAL64(0xe003e003e003e003)) | \ |
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(((src) >> 6) & UVAL64(0x007c007c007c007c))) |
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|
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#define FB_DEPTH 15 |
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#define FB_FUNC_NAME Blit_BGR555_OBO |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) & 0x001f001f) | (((src) << 1) & 0xffc0ffc0))) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) & UVAL64(0x001f001f001f001f)) | \ |
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(((src) << 1) & UVAL64(0xffc0ffc0ffc0ffc0)))) |
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|
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#define FB_DEPTH 16 |
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#define FB_FUNC_NAME Blit_RGB565_NBO |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = ((((src) >> 7) & 0x00ff00ff) | (((src) << 9) & 0xc000c000) | (((src) << 8) & 0x1f001f00))) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 7) & UVAL64(0x00ff00ff00ff00ff)) | \ |
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(((src) << 9) & UVAL64(0xc000c000c000c000)) | \ |
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(((src) << 8) & UVAL64(0x1f001f001f001f00))) |
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|
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#define FB_DEPTH 16 |
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#define FB_FUNC_NAME Blit_RGB565_OBO |
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#include "video_blit.h" |
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#define FB_BLIT_1(dst, src) \ |
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(dst = (((src) >> 8) & 0x001f) | (((src) << 9) & 0xfe00) | (((src) >> 7) & 0x01c0)) |
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// gb-- Disabled because I don't see any improvement |
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#if 0 && defined(__i386__) && defined(X86_ASSEMBLY) |
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|
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#define FB_BLIT_2(dst, src) \ |
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__asm__ ( "movl %0,%%ebx\n\t" \ |
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"movl %0,%%ebp\n\t" \ |
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"andl $0x1f001f00,%%ebx\n\t" \ |
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"andl $0x007f007f,%0\n\t" \ |
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"andl $0xe000e000,%%ebp\n\t" \ |
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"shrl $8,%%ebx\n\t" \ |
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"shrl $7,%%ebp\n\t" \ |
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"shll $9,%0\n\t" \ |
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"orl %%ebx,%%ebp\n\t" \ |
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"orl %%ebp,%0\n\t" \ |
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: "=r" (dst) : "0" (src) : "ebx", "ebp", "cc" ) |
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|
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#else |
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|
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 8) & 0x001f001f) | (((src) << 9) & 0xfe00fe00) | (((src) >> 7) & 0x01c001c0)) |
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|
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< |
#endif |
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 8) & UVAL64(0x001f001f001f001f)) | \ |
201 |
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(((src) << 9) & UVAL64(0xfe00fe00fe00fe00)) | \ |
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(((src) >> 7) & UVAL64(0x01c001c001c001c0))) |
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|
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#define FB_DEPTH 16 |
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#define FB_FUNC_NAME Blit_RGB565_NBO |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) & 0x1f001f00) | (((src) << 1) & 0xe0fee0fe) | (((src) >> 15) & 0x10001))) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) & UVAL64(0x1f001f001f001f00)) | \ |
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(((src) << 1) & UVAL64(0xe0fee0fee0fee0fe)) | \ |
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(((src) >> 15) & UVAL64(0x0001000100010001)))) |
220 |
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|
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#define FB_DEPTH 16 |
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#define FB_FUNC_NAME Blit_RGB565_OBO |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 24) & 0xff) | (((src) >> 8) & 0xff00) | (((src) & 0xff00) << 8) | (((src) & 0xff) << 24)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 24) & UVAL64(0x000000ff000000ff)) | \ |
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(((src) >> 8) & UVAL64(0x0000ff000000ff00)) | \ |
243 |
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(((src) & UVAL64(0x0000ff000000ff00)) << 8) | \ |
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(((src) & UVAL64(0x000000ff000000ff)) << 24)) |
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|
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#define FB_DEPTH 24 |
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#include "video_blit.h" |
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|
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 16) & 0xff) | ((src) & 0xff00) | (((src) & 0xff) << 16)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 16) & UVAL64(0x000000ff000000ff)) | \ |
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( (src) & UVAL64(0x0000ff000000ff00)) | \ |
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(((src) & UVAL64(0x000000ff000000ff)) << 16)) |
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|
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#define FB_FUNC_NAME Blit_BGR888_NBO |
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#define FB_DEPTH 24 |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = (((src) >> 16) & 0xff) | ((src) & 0xff0000) | (((src) & 0xff) << 16)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = (((src) >> 16) & UVAL64(0x000000ff000000ff)) | \ |
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( (src) & UVAL64(0x00ff000000ff0000)) | \ |
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(((src) & UVAL64(0x000000ff000000ff)) << 16)) |
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|
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#define FB_FUNC_NAME Blit_BGR888_OBO |
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#define FB_DEPTH 24 |
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#include "video_blit.h" |
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#define FB_BLIT_2(dst, src) \ |
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(dst = ((src) & 0xff00ff) | (((src) & 0xff00) << 16)) |
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|
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#define FB_BLIT_4(dst, src) \ |
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(dst = ((src) & UVAL64(0x00ff00ff00ff00ff)) | (((src) & UVAL64(0x0000ff000000ff00)) << 16)) |
300 |
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|
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#define FB_DEPTH 24 |
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#include "video_blit.h" |
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|
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/* -------------------------------------------------------------------------- */ |
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/* --- 1/2/4-bit indexed to 8-bit mode conversion --- */ |
306 |
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/* -------------------------------------------------------------------------- */ |
307 |
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|
308 |
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static void Blit_Expand_1_To_8(uint8 * dest, const uint8 * p, uint32 length) |
309 |
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{ |
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uint8 *q = (uint8 *)dest; |
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for (uint32 i=0; i<length; i++) { |
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uint8 c = *p++; |
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*q++ = c >> 7; |
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*q++ = (c >> 6) & 1; |
315 |
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*q++ = (c >> 5) & 1; |
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*q++ = (c >> 4) & 1; |
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*q++ = (c >> 3) & 1; |
318 |
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*q++ = (c >> 2) & 1; |
319 |
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*q++ = (c >> 1) & 1; |
320 |
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*q++ = c & 1; |
321 |
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} |
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} |
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|
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static void Blit_Expand_2_To_8(uint8 * dest, const uint8 * p, uint32 length) |
325 |
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{ |
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uint8 *q = (uint8 *)dest; |
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for (uint32 i=0; i<length; i++) { |
328 |
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uint8 c = *p++; |
329 |
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*q++ = c >> 6; |
330 |
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*q++ = (c >> 4) & 3; |
331 |
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*q++ = (c >> 2) & 3; |
332 |
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*q++ = c & 3; |
333 |
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} |
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} |
335 |
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|
336 |
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static void Blit_Expand_4_To_8(uint8 * dest, const uint8 * p, uint32 length) |
337 |
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{ |
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uint8 *q = (uint8 *)dest; |
339 |
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for (uint32 i=0; i<length; i++) { |
340 |
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uint8 c = *p++; |
341 |
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*q++ = c >> 4; |
342 |
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*q++ = c & 0x0f; |
343 |
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} |
344 |
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} |
345 |
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|
346 |
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/* -------------------------------------------------------------------------- */ |
347 |
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/* --- 1/2/4/8-bit indexed to 16-bit mode color expansion --- */ |
348 |
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/* -------------------------------------------------------------------------- */ |
349 |
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|
350 |
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static void Blit_Expand_1_To_16(uint8 * dest, const uint8 * p, uint32 length) |
351 |
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{ |
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uint16 *q = (uint16 *)dest; |
353 |
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for (uint32 i=0; i<length; i++) { |
354 |
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uint8 c = *p++; |
355 |
+ |
*q++ = -(c >> 7); |
356 |
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*q++ = -((c >> 6) & 1); |
357 |
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*q++ = -((c >> 5) & 1); |
358 |
+ |
*q++ = -((c >> 4) & 1); |
359 |
+ |
*q++ = -((c >> 3) & 1); |
360 |
+ |
*q++ = -((c >> 2) & 1); |
361 |
+ |
*q++ = -((c >> 1) & 1); |
362 |
+ |
*q++ = -(c & 1); |
363 |
+ |
} |
364 |
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} |
365 |
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|
366 |
+ |
static void Blit_Expand_2_To_16(uint8 * dest, const uint8 * p, uint32 length) |
367 |
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{ |
368 |
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uint16 *q = (uint16 *)dest; |
369 |
+ |
for (uint32 i=0; i<length; i++) { |
370 |
+ |
uint8 c = *p++; |
371 |
+ |
*q++ = ExpandMap[c >> 6]; |
372 |
+ |
*q++ = ExpandMap[c >> 4]; |
373 |
+ |
*q++ = ExpandMap[c >> 2]; |
374 |
+ |
*q++ = ExpandMap[c]; |
375 |
+ |
} |
376 |
+ |
} |
377 |
+ |
|
378 |
+ |
static void Blit_Expand_4_To_16(uint8 * dest, const uint8 * p, uint32 length) |
379 |
+ |
{ |
380 |
+ |
uint16 *q = (uint16 *)dest; |
381 |
+ |
for (uint32 i=0; i<length; i++) { |
382 |
+ |
uint8 c = *p++; |
383 |
+ |
*q++ = ExpandMap[c >> 4]; |
384 |
+ |
*q++ = ExpandMap[c]; |
385 |
+ |
} |
386 |
+ |
} |
387 |
+ |
|
388 |
+ |
static void Blit_Expand_8_To_16(uint8 * dest, const uint8 * p, uint32 length) |
389 |
+ |
{ |
390 |
+ |
uint16 *q = (uint16 *)dest; |
391 |
+ |
for (uint32 i=0; i<length; i++) |
392 |
+ |
*q++ = ExpandMap[*p++]; |
393 |
+ |
} |
394 |
+ |
|
395 |
+ |
/* -------------------------------------------------------------------------- */ |
396 |
+ |
/* --- 1/2/4/8-bit indexed to 32-bit mode color expansion --- */ |
397 |
+ |
/* -------------------------------------------------------------------------- */ |
398 |
+ |
|
399 |
+ |
static void Blit_Expand_1_To_32(uint8 * dest, const uint8 * p, uint32 length) |
400 |
+ |
{ |
401 |
+ |
uint32 *q = (uint32 *)dest; |
402 |
+ |
for (uint32 i=0; i<length; i++) { |
403 |
+ |
uint8 c = *p++; |
404 |
+ |
*q++ = -(c >> 7); |
405 |
+ |
*q++ = -((c >> 6) & 1); |
406 |
+ |
*q++ = -((c >> 5) & 1); |
407 |
+ |
*q++ = -((c >> 4) & 1); |
408 |
+ |
*q++ = -((c >> 3) & 1); |
409 |
+ |
*q++ = -((c >> 2) & 1); |
410 |
+ |
*q++ = -((c >> 1) & 1); |
411 |
+ |
*q++ = -(c & 1); |
412 |
+ |
} |
413 |
+ |
} |
414 |
+ |
|
415 |
+ |
static void Blit_Expand_2_To_32(uint8 * dest, const uint8 * p, uint32 length) |
416 |
+ |
{ |
417 |
+ |
uint32 *q = (uint32 *)dest; |
418 |
+ |
for (uint32 i=0; i<length; i++) { |
419 |
+ |
uint8 c = *p++; |
420 |
+ |
*q++ = ExpandMap[c >> 6]; |
421 |
+ |
*q++ = ExpandMap[c >> 4]; |
422 |
+ |
*q++ = ExpandMap[c >> 2]; |
423 |
+ |
*q++ = ExpandMap[c]; |
424 |
+ |
} |
425 |
+ |
} |
426 |
+ |
|
427 |
+ |
static void Blit_Expand_4_To_32(uint8 * dest, const uint8 * p, uint32 length) |
428 |
+ |
{ |
429 |
+ |
uint32 *q = (uint32 *)dest; |
430 |
+ |
for (uint32 i=0; i<length; i++) { |
431 |
+ |
uint8 c = *p++; |
432 |
+ |
*q++ = ExpandMap[c >> 4]; |
433 |
+ |
*q++ = ExpandMap[c]; |
434 |
+ |
} |
435 |
+ |
} |
436 |
+ |
|
437 |
+ |
static void Blit_Expand_8_To_32(uint8 * dest, const uint8 * p, uint32 length) |
438 |
+ |
{ |
439 |
+ |
uint32 *q = (uint32 *)dest; |
440 |
+ |
for (uint32 i=0; i<length; i++) |
441 |
+ |
*q++ = ExpandMap[*p++]; |
442 |
+ |
} |
443 |
+ |
|
444 |
+ |
/* -------------------------------------------------------------------------- */ |
445 |
|
/* --- Blitters to the host frame buffer, or XImage buffer --- */ |
446 |
|
/* -------------------------------------------------------------------------- */ |
447 |
|
|
467 |
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{ 8, 0x000000, 0x000000, 0x000000, Blit_Copy_Raw , Blit_Copy_Raw }, // OK (NBO) |
468 |
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{ 15, 0x007c00, 0x0003e0, 0x00001f, Blit_Copy_Raw , Blit_RGB555_OBO }, // OK (OBO) |
469 |
|
{ 15, 0x00001f, 0x0003e0, 0x007c00, Blit_BGR555_NBO , Blit_BGR555_OBO }, // NT |
470 |
+ |
{ 16, 0x007c00, 0x0003e0, 0x00001f, Blit_Copy_Raw , Blit_RGB555_OBO }, // OK (OBO) |
471 |
|
{ 16, 0x00f800, 0x0007e0, 0x00001f, Blit_RGB565_NBO , Blit_RGB565_OBO }, // OK (OBO) |
472 |
|
{ 24, 0xff0000, 0x00ff00, 0x0000ff, Blit_Copy_Raw , Blit_RGB888_OBO }, // OK (OBO) |
473 |
|
{ 24, 0x0000ff, 0x00ff00, 0xff0000, Blit_BGR888_NBO , Blit_BGR888_OBO }, // NT |
478 |
|
{ 8, 0x000000, 0x000000, 0x000000, Blit_Copy_Raw , Blit_Copy_Raw }, // OK (NBO) |
479 |
|
{ 15, 0x007c00, 0x0003e0, 0x00001f, Blit_RGB555_NBO , Blit_Copy_Raw }, // OK (NBO) |
480 |
|
{ 15, 0x00001f, 0x0003e0, 0x007c00, Blit_BGR555_NBO , Blit_BGR555_OBO }, // NT |
481 |
+ |
{ 16, 0x007c00, 0x0003e0, 0x00001f, Blit_RGB555_NBO , Blit_Copy_Raw }, // OK (NBO) |
482 |
|
{ 16, 0x00f800, 0x0007e0, 0x00001f, Blit_RGB565_NBO , Blit_RGB565_OBO }, // OK (NBO) |
483 |
|
{ 24, 0xff0000, 0x00ff00, 0x0000ff, Blit_RGB888_NBO , Blit_Copy_Raw }, // OK (NBO) |
484 |
|
{ 24, 0x0000ff, 0x00ff00, 0xff0000, Blit_BGR888_NBO , Blit_BGR888_OBO }, // NT |
490 |
|
// Initialize the framebuffer update function |
491 |
|
// Returns FALSE, if the function was to be reduced to a simple memcpy() |
492 |
|
// --> In that case, VOSF is not necessary |
493 |
< |
bool Screen_blitter_init(XVisualInfo * visual_info, bool native_byte_order) |
493 |
> |
bool Screen_blitter_init(VisualFormat const & visual_format, bool native_byte_order, int mac_depth) |
494 |
|
{ |
495 |
+ |
#if USE_SDL_VIDEO |
496 |
+ |
const bool use_sdl_video = true; |
497 |
+ |
#else |
498 |
+ |
const bool use_sdl_video = false; |
499 |
+ |
#endif |
500 |
|
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
501 |
< |
visualFormat.depth = visual_info->depth; |
502 |
< |
visualFormat.Rmask = visual_info->red_mask; |
503 |
< |
visualFormat.Gmask = visual_info->green_mask; |
504 |
< |
visualFormat.Bmask = visual_info->blue_mask; |
505 |
< |
|
506 |
< |
// Compute RGB shift values |
507 |
< |
visualFormat.Rshift = 0; |
508 |
< |
for (uint32 Rmask = visualFormat.Rmask; Rmask && ((Rmask & 1) != 1); Rmask >>= 1) |
509 |
< |
++visualFormat.Rshift; |
510 |
< |
visualFormat.Gshift = 0; |
511 |
< |
for (uint32 Gmask = visualFormat.Gmask; Gmask && ((Gmask & 1) != 1); Gmask >>= 1) |
512 |
< |
++visualFormat.Gshift; |
513 |
< |
visualFormat.Bshift = 0; |
514 |
< |
for (uint32 Bmask = visualFormat.Bmask; Bmask && ((Bmask & 1) != 1); Bmask >>= 1) |
515 |
< |
++visualFormat.Bshift; |
501 |
> |
if (mac_depth == 1 && !use_sdl_video && !visual_format.fullscreen) { |
502 |
> |
|
503 |
> |
// Windowed 1-bit mode uses a 1-bit X image, so there's no need for special blitting routines |
504 |
> |
Screen_blit = Blit_Copy_Raw; |
505 |
> |
|
506 |
> |
} else { |
507 |
> |
|
508 |
> |
// Compute RGB shift values |
509 |
> |
visualFormat = visual_format; |
510 |
> |
visualFormat.Rshift = 0; |
511 |
> |
for (uint32 Rmask = visualFormat.Rmask; Rmask && ((Rmask & 1) != 1); Rmask >>= 1) |
512 |
> |
++visualFormat.Rshift; |
513 |
> |
visualFormat.Gshift = 0; |
514 |
> |
for (uint32 Gmask = visualFormat.Gmask; Gmask && ((Gmask & 1) != 1); Gmask >>= 1) |
515 |
> |
++visualFormat.Gshift; |
516 |
> |
visualFormat.Bshift = 0; |
517 |
> |
for (uint32 Bmask = visualFormat.Bmask; Bmask && ((Bmask & 1) != 1); Bmask >>= 1) |
518 |
> |
++visualFormat.Bshift; |
519 |
> |
|
520 |
> |
// 1/2/4/8-bit mode on 8/16/32-bit screen? |
521 |
> |
Screen_blit = NULL; |
522 |
> |
switch (visualFormat.depth) { |
523 |
> |
case 8: |
524 |
> |
switch (mac_depth) { |
525 |
> |
case 1: Screen_blit = Blit_Expand_1_To_8; break; |
526 |
> |
case 2: Screen_blit = Blit_Expand_2_To_8; break; |
527 |
> |
case 4: Screen_blit = Blit_Expand_4_To_8; break; |
528 |
> |
} |
529 |
> |
break; |
530 |
> |
case 15: |
531 |
> |
case 16: |
532 |
> |
switch (mac_depth) { |
533 |
> |
case 1: Screen_blit = Blit_Expand_1_To_16; break; |
534 |
> |
case 2: Screen_blit = Blit_Expand_2_To_16; break; |
535 |
> |
case 4: Screen_blit = Blit_Expand_4_To_16; break; |
536 |
> |
case 8: Screen_blit = Blit_Expand_8_To_16; break; |
537 |
> |
} |
538 |
> |
break; |
539 |
> |
case 24: |
540 |
> |
case 32: |
541 |
> |
switch (mac_depth) { |
542 |
> |
case 1: Screen_blit = Blit_Expand_1_To_32; break; |
543 |
> |
case 2: Screen_blit = Blit_Expand_2_To_32; break; |
544 |
> |
case 4: Screen_blit = Blit_Expand_4_To_32; break; |
545 |
> |
case 8: Screen_blit = Blit_Expand_8_To_32; break; |
546 |
> |
} |
547 |
> |
break; |
548 |
> |
} |
549 |
> |
bool blitter_found = (Screen_blit != NULL); |
550 |
|
|
551 |
< |
// Search for an adequate blit function |
552 |
< |
bool blitter_found = false; |
553 |
< |
const int blitters_count = sizeof(Screen_blitters)/sizeof(Screen_blitters[0]); |
554 |
< |
for (int i = 0; !blitter_found && (i < blitters_count); i++) { |
555 |
< |
if ( (visualFormat.depth == Screen_blitters[i].depth) |
556 |
< |
&& (visualFormat.Rmask == Screen_blitters[i].Rmask) |
557 |
< |
&& (visualFormat.Gmask == Screen_blitters[i].Gmask) |
558 |
< |
&& (visualFormat.Bmask == Screen_blitters[i].Bmask) |
559 |
< |
) |
560 |
< |
{ |
561 |
< |
blitter_found = true; |
562 |
< |
Screen_blit = native_byte_order |
563 |
< |
? Screen_blitters[i].handler_nbo |
564 |
< |
: Screen_blitters[i].handler_obo |
565 |
< |
; |
551 |
> |
// Search for an adequate blit function |
552 |
> |
const int blitters_count = sizeof(Screen_blitters)/sizeof(Screen_blitters[0]); |
553 |
> |
for (int i = 0; !blitter_found && (i < blitters_count); i++) { |
554 |
> |
if ( (visualFormat.depth == Screen_blitters[i].depth) |
555 |
> |
&& (visualFormat.Rmask == Screen_blitters[i].Rmask) |
556 |
> |
&& (visualFormat.Gmask == Screen_blitters[i].Gmask) |
557 |
> |
&& (visualFormat.Bmask == Screen_blitters[i].Bmask) |
558 |
> |
) |
559 |
> |
{ |
560 |
> |
blitter_found = true; |
561 |
> |
Screen_blit = native_byte_order |
562 |
> |
? Screen_blitters[i].handler_nbo |
563 |
> |
: Screen_blitters[i].handler_obo |
564 |
> |
; |
565 |
> |
} |
566 |
|
} |
342 |
– |
} |
567 |
|
|
568 |
< |
// No appropriate blitter found, dump RGB mask values and abort() |
569 |
< |
if (!blitter_found) { |
570 |
< |
fprintf(stderr, "### No appropriate blitter found\n"); |
571 |
< |
fprintf(stderr, "\tR/G/B mask values : 0x%06x, 0x%06x, 0x%06x (depth = %d)\n", |
572 |
< |
visualFormat.Rmask, visualFormat.Gmask, visualFormat.Bmask, visualFormat.depth); |
573 |
< |
fprintf(stderr, "\tR/G/B shift values : %d/%d/%d\n", |
574 |
< |
visualFormat.Rshift, visualFormat.Gshift, visualFormat.Bshift); |
575 |
< |
abort(); |
568 |
> |
// No appropriate blitter found, dump RGB mask values and abort() |
569 |
> |
if (!blitter_found) { |
570 |
> |
fprintf(stderr, "### No appropriate blitter found\n"); |
571 |
> |
fprintf(stderr, "\tR/G/B mask values : 0x%06x, 0x%06x, 0x%06x (depth = %d)\n", |
572 |
> |
visualFormat.Rmask, visualFormat.Gmask, visualFormat.Bmask, visualFormat.depth); |
573 |
> |
fprintf(stderr, "\tR/G/B shift values : %d/%d/%d\n", |
574 |
> |
visualFormat.Rshift, visualFormat.Gshift, visualFormat.Bshift); |
575 |
> |
abort(); |
576 |
> |
} |
577 |
|
} |
578 |
|
#else |
579 |
|
// The UAE memory handlers will blit correctly |
585 |
|
// --> In that case, we return FALSE |
586 |
|
return (Screen_blit != Blit_Copy_Raw); |
587 |
|
} |
363 |
– |
#endif /* ENABLE_VOSF */ |