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/* |
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* video_x.cpp - Video/graphics emulation, X11 specific stuff |
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* |
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* Basilisk II (C) 1997-2002 Christian Bauer |
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* Basilisk II (C) 1997-2004 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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#include "prefs.h" |
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#include "user_strings.h" |
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#include "video.h" |
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#include "video_blit.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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static int keycode_table[256]; // X keycode -> Mac keycode translation table |
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// X11 variables |
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char *x_display_name = NULL; // X11 display name |
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Display *x_display = NULL; // X11 display handle |
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static int screen; // Screen number |
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static Window rootwin; // Root window and our window |
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static int num_depths = 0; // Number of available X depths |
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static int eventmask; |
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static int xdepth; // Depth of X screen |
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static VisualFormat visualFormat; |
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static XVisualInfo visualInfo; |
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static Visual *vis; |
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static int color_class; |
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// From main_unix.cpp |
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extern char *x_display_name; |
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extern Display *x_display; |
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extern void *vm_acquire_mac(size_t size); |
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// From sys_unix.cpp |
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extern void SysMountFirstFloppy(void); |
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// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
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the_host_buffer = the_buffer_copy; |
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the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line); |
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the_buffer = (uint8 *)vm_acquire(the_buffer_size); |
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the_buffer = (uint8 *)vm_acquire_mac(the_buffer_size); |
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the_buffer_copy = (uint8 *)malloc(the_buffer_size); |
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D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer)); |
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#else |
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native_byte_order = (XImageByteOrder(x_display) == LSBFirst); |
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#endif |
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#ifdef ENABLE_VOSF |
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Screen_blitter_init(&visualInfo, native_byte_order, depth_of_video_mode(mode)); |
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Screen_blitter_init(visualFormat, native_byte_order, depth_of_video_mode(mode)); |
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#endif |
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// Set frame buffer base |
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#if REAL_ADDRESSING || DIRECT_ADDRESSING |
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// Screen_blitter_init() returns TRUE if VOSF is mandatory |
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// i.e. the framebuffer update function is not Blit_Copy_Raw |
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use_vosf = Screen_blitter_init(&visualInfo, true, mode.depth); |
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use_vosf = Screen_blitter_init(visualFormat, true, mode.depth); |
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if (use_vosf) { |
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// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
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the_host_buffer = the_buffer; |
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the_buffer_size = page_extend((height + 2) * bytes_per_row); |
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the_buffer_copy = (uint8 *)malloc(the_buffer_size); |
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the_buffer = (uint8 *)vm_acquire(the_buffer_size); |
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the_buffer = (uint8 *)vm_acquire_mac(the_buffer_size); |
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} |
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#else |
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use_vosf = false; |
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#if REAL_ADDRESSING || DIRECT_ADDRESSING |
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// Screen_blitter_init() returns TRUE if VOSF is mandatory |
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// i.e. the framebuffer update function is not Blit_Copy_Raw |
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use_vosf = Screen_blitter_init(&visualInfo, native_byte_order, depth_of_video_mode(mode)); |
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use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth_of_video_mode(mode)); |
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if (use_vosf) { |
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// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
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the_host_buffer = the_buffer; |
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the_buffer_size = page_extend((height + 2) * bytes_per_row); |
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the_buffer_copy = (uint8 *)malloc(the_buffer_size); |
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the_buffer = (uint8 *)vm_acquire(the_buffer_size); |
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the_buffer = (uint8 *)vm_acquire_mac(the_buffer_size); |
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} |
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#else |
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use_vosf = false; |
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return false; |
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} |
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// Build up visualFormat structure |
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visualFormat.depth = visualInfo.depth; |
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visualFormat.Rmask = visualInfo.red_mask; |
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visualFormat.Gmask = visualInfo.green_mask; |
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visualFormat.Bmask = visualInfo.blue_mask; |
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// Create color maps |
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if (color_class == PseudoColor || color_class == DirectColor) { |
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cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll); |
