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/* |
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* video.h - Video/graphics emulation |
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* |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* Basilisk II (C) 1997-2002 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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VDEPTH_32BIT // "Millions" |
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}; |
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inline uint16 DepthToAppleMode(video_depth depth) |
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{ |
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return depth + 0x80; |
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} |
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// For compatibility reasons with older (pre-Display Manager) versions of |
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// MacOS, the Apple modes must start at 0x80 and be contiguous. Therefore |
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// we construct an array to map the depth codes to the corresponding Apple |
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// mode. This array is initialized by video_init_depth_list() which must |
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// be called by the platform-dependant VideoInit() routine after filling |
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// the VideoModes array. |
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extern uint16 apple_mode_for_depth[6]; |
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inline video_depth AppleModeToDepth(uint16 mode) |
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inline uint16 DepthToAppleMode(video_depth depth) |
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{ |
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return video_depth(mode - 0x80); |
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return apple_mode_for_depth[depth]; |
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} |
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inline bool IsDirectMode(video_depth depth) |
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return depth == VDEPTH_16BIT || depth == VDEPTH_32BIT; |
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} |
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inline bool IsDirectMode(uint16 mode) |
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{ |
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return IsDirectMode(AppleModeToDepth(mode)); |
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} |
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// Return the depth code that corresponds to the specified bits-per-pixel value |
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inline video_depth DepthModeForPixelDepth(int depth) |
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{ |
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// or gamma table (in direct modes) |
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extern void video_set_palette(uint8 *pal, int num); |
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// Check whether a mode with the specified depth exists |
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extern bool video_has_depth(video_depth depth); |
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// Get bytes-per-row value for specified resolution/depth |
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extern uint32 video_bytes_per_row(video_depth depth, uint32 id); |
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// Initialize apple_mode_for_depth[] array from VideoModes list |
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extern void video_init_depth_list(void); |
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#endif |
