mirror of
https://github.com/kanjitalk755/macemu.git
synced 2025-01-13 08:29:43 +00:00
Merge run-time depth switching code from Basilisk II.
This commit is contained in:
gbeauche
parent
ec2511fd99
commit
9b4a75139e
@ -29,6 +29,8 @@
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#include <errno.h>
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#include <pthread.h>
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#include <algorithm>
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#ifdef ENABLE_XF86_DGA
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#include <X11/extensions/xf86dga.h>
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#endif
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@ -48,6 +50,10 @@
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#define DEBUG 0
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#include "debug.h"
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#ifndef NO_STD_NAMESPACE
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using std::sort;
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#endif
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// Constants
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const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
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@ -89,14 +95,20 @@ static int screen; // Screen number
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static int xdepth; // Depth of X screen
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static int depth; // Depth of Mac frame buffer
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static Window rootwin, the_win; // 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 *avail_depths = NULL; // List of available X depths
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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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static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
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static Colormap cmap[2]; // Two colormaps (DGA) for 8-bit mode
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static XColor x_palette[256]; // Color palette to be used as CLUT and gamma table
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static XColor black, white;
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static unsigned long black_pixel, white_pixel;
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static int eventmask;
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static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask;
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static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
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static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask | StructureNotifyMask;
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static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask;
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// Variables for window mode
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static GC the_gc;
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@ -123,6 +135,20 @@ static XF86VidModeModeInfo **x_video_modes; // Array of all available modes
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static int num_x_video_modes;
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#endif
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// Mutex to protect palette
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#ifdef HAVE_SPINLOCKS
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static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
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#define LOCK_PALETTE spin_lock(&x_palette_lock)
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#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
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#elif defined(HAVE_PTHREADS)
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static pthread_mutex_t x_palette_lock = PTHREAD_MUTEX_INITIALIZER;
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#define LOCK_PALETTE pthread_mutex_lock(&x_palette_lock)
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#define UNLOCK_PALETTE pthread_mutex_unlock(&x_palette_lock)
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#else
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#define LOCK_PALETTE
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#define UNLOCK_PALETTE
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#endif
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// Prototypes
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static void *redraw_func(void *arg);
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@ -146,10 +172,191 @@ extern void ClipboardSelectionRequest(XSelectionRequestEvent *);
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#endif
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/*
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* Utility functions
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*/
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// Get current video mode
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static inline int get_current_mode(void)
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{
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return VModes[cur_mode].viAppleMode;
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}
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// Find palette size for given color depth
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static int palette_size(int mode)
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{
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switch (mode) {
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case APPLE_1_BIT: return 2;
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case APPLE_2_BIT: return 4;
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case APPLE_4_BIT: return 16;
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case APPLE_8_BIT: return 256;
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case APPLE_16_BIT: return 32;
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case APPLE_32_BIT: return 256;
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default: return 0;
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}
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}
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// Map video_mode depth ID to numerical depth value
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static inline int depth_of_video_mode(int mode)
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{
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int depth = -1;
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switch (mode) {
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case APPLE_1_BIT:
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depth = 1;
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break;
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case APPLE_2_BIT:
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depth = 2;
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break;
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case APPLE_4_BIT:
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depth = 4;
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break;
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case APPLE_8_BIT:
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depth = 8;
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break;
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case APPLE_16_BIT:
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depth = 16;
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break;
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case APPLE_32_BIT:
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depth = 32;
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break;
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default:
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abort();
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}
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return depth;
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}
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// Map RGB color to pixel value (this only works in TrueColor/DirectColor visuals)
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static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue)
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{
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return ((red >> rloss) << rshift) | ((green >> gloss) << gshift) | ((blue >> bloss) << bshift);
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}
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// Do we have a visual for handling the specified Mac depth? If so, set the
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// global variables "xdepth", "visualInfo", "vis" and "color_class".
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static bool find_visual_for_depth(int depth)
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{
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D(bug("have_visual_for_depth(%d)\n", depth_of_video_mode(depth)));
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// 1-bit works always and uses default visual
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if (depth == APPLE_1_BIT) {
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vis = DefaultVisual(x_display, screen);
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visualInfo.visualid = XVisualIDFromVisual(vis);
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int num = 0;
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XVisualInfo *vi = XGetVisualInfo(x_display, VisualIDMask, &visualInfo, &num);
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visualInfo = vi[0];
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XFree(vi);
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xdepth = visualInfo.depth;
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color_class = visualInfo.c_class;
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D(bug(" found visual ID 0x%02x, depth %d\n", visualInfo.visualid, xdepth));
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return true;
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}
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// Calculate minimum and maximum supported X depth
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int min_depth = 1, max_depth = 32;
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switch (depth) {
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#ifdef ENABLE_VOSF
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case APPLE_2_BIT:
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case APPLE_4_BIT: // VOSF blitters can convert 2/4/8-bit -> 8/16/32-bit
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case APPLE_8_BIT:
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min_depth = 8;
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max_depth = 32;
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break;
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#else
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case APPLE_2_BIT:
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case APPLE_4_BIT: // 2/4-bit requires VOSF blitters
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return false;
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case APPLE_8_BIT: // 8-bit without VOSF requires an 8-bit visual
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min_depth = 8;
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max_depth = 8;
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break;
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#endif
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case APPLE_16_BIT: // 16-bit requires a 15/16-bit visual
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min_depth = 15;
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max_depth = 16;
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break;
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case APPLE_32_BIT: // 32-bit requires a 24/32-bit visual
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min_depth = 24;
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max_depth = 32;
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break;
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}
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D(bug(" minimum required X depth is %d, maximum supported X depth is %d\n", min_depth, max_depth));
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// Try to find a visual for one of the color depths
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bool visual_found = false;
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for (int i=0; i<num_depths && !visual_found; i++) {
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xdepth = avail_depths[i];
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D(bug(" trying to find visual for depth %d\n", xdepth));
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if (xdepth < min_depth || xdepth > max_depth)
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continue;
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// Determine best color class for this depth
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switch (xdepth) {
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case 1: // Try StaticGray or StaticColor
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if (XMatchVisualInfo(x_display, screen, xdepth, StaticGray, &visualInfo)
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|| XMatchVisualInfo(x_display, screen, xdepth, StaticColor, &visualInfo))
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visual_found = true;
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break;
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case 8: // Need PseudoColor
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if (XMatchVisualInfo(x_display, screen, xdepth, PseudoColor, &visualInfo))
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visual_found = true;
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break;
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case 15:
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case 16:
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case 24:
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case 32: // Try DirectColor first, as this will allow gamma correction
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if (XMatchVisualInfo(x_display, screen, xdepth, DirectColor, &visualInfo)
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|| XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo))
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visual_found = true;
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break;
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default:
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D(bug(" not a supported depth\n"));
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break;
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}
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}
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if (!visual_found)
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return false;
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// Visual was found
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vis = visualInfo.visual;
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color_class = visualInfo.c_class;
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D(bug(" found visual ID 0x%02x, depth %d, class ", visualInfo.visualid, xdepth));
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#if DEBUG
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switch (color_class) {
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case StaticGray: D(bug("StaticGray\n")); break;
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case GrayScale: D(bug("GrayScale\n")); break;
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case StaticColor: D(bug("StaticColor\n")); break;
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case PseudoColor: D(bug("PseudoColor\n")); break;
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case TrueColor: D(bug("TrueColor\n")); break;
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case DirectColor: D(bug("DirectColor\n")); break;
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}
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#endif
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return true;
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}
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/*
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* Open display (window or fullscreen)
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*/
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// Wait until window is mapped/unmapped
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void wait_mapped(Window w)
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{
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XEvent e;
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do {
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XMaskEvent(x_display, StructureNotifyMask, &e);
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} while ((e.type != MapNotify) || (e.xmap.event != w));
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}
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void wait_unmapped(Window w)
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{
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XEvent e;
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do {
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XMaskEvent(x_display, StructureNotifyMask, &e);
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} while ((e.type != UnmapNotify) || (e.xmap.event != w));
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}
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// Trap SHM errors
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static bool shm_error = false;
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static int (*old_error_handler)(Display *, XErrorEvent *);
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@ -175,23 +382,15 @@ static bool open_window(int width, int height)
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// Create window
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XSetWindowAttributes wattr;
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wattr.event_mask = eventmask = win_eventmask;
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wattr.background_pixel = black_pixel;
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wattr.border_pixel = black_pixel;
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wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
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wattr.border_pixel = 0;
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wattr.backing_store = NotUseful;
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XSync(x_display, false);
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wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
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the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
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InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore, &wattr);
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XSync(x_display, false);
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XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
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XMapRaised(x_display, the_win);
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XSync(x_display, false);
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InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore | CWColormap, &wattr);
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// Set colormap
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if (depth == 8) {
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XSetWindowColormap(x_display, the_win, cmap[0]);
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XSetWMColormapWindows(x_display, the_win, &the_win, 1);
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}
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// Set window name
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XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
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// Make window unresizable
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XSizeHints *hints;
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@ -205,6 +404,10 @@ static bool open_window(int width, int height)
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XFree((char *)hints);
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}
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// Show window
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XMapWindow(x_display, the_win);
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wait_mapped(the_win);
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// 1-bit mode is big-endian; if the X server is little-endian, we can't
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// use SHM because that doesn't allow changing the image byte order
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bool need_msb_image = (depth == 1 && XImageByteOrder(x_display) == LSBFirst);
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@ -215,7 +418,8 @@ static bool open_window(int width, int height)
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// Create SHM image ("height + 2" for safety)
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img = XShmCreateImage(x_display, vis, depth == 1 ? 1 : xdepth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
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shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
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shminfo.shmid = shmget(IPC_PRIVATE, (aligned_height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
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D(bug(" shm image created\n"));
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the_buffer_copy = (uint8 *)shmat(shminfo.shmid, 0, 0);
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shminfo.shmaddr = img->data = (char *)the_buffer_copy;
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shminfo.readOnly = False;
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@ -234,30 +438,19 @@ static bool open_window(int width, int height)
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have_shm = true;
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shmctl(shminfo.shmid, IPC_RMID, 0);
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}
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D(bug(" shm image attached\n"));
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}
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// Create normal X image if SHM doesn't work ("height + 2" for safety)
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if (!have_shm) {
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int bytes_per_row = aligned_width;
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switch (depth) {
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case 1:
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bytes_per_row /= 8;
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break;
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case 15:
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case 16:
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bytes_per_row *= 2;
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break;
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case 24:
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case 32:
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bytes_per_row *= 4;
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break;
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}
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int bytes_per_row = depth == 1 ? aligned_width/8 : TrivialBytesPerRow(aligned_width, DepthModeForPixelDepth(xdepth));
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the_buffer_copy = (uint8 *)malloc((aligned_height + 2) * bytes_per_row);
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img = XCreateImage(x_display, vis, depth == 1 ? 1 : xdepth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)the_buffer_copy, aligned_width, aligned_height, 32, bytes_per_row);
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D(bug(" X image created\n"));
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}
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// 1-Bit mode is big-endian
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if (depth == 1) {
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if (need_msb_image) {
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img->byte_order = MSBFirst;
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img->bitmap_bit_order = MSBFirst;
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}
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@ -279,7 +472,7 @@ static bool open_window(int width, int height)
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// Create GC
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the_gc = XCreateGC(x_display, the_win, 0, 0);
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XSetForeground(x_display, the_gc, black_pixel);
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XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
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// Create cursor
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cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
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@ -307,7 +500,6 @@ static bool open_window(int width, int height)
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#endif
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// Set bytes per row
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VModes[cur_mode].viRowBytes = img->bytes_per_line;
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XSync(x_display, false);
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return true;
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}
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@ -346,17 +538,7 @@ static bool open_dga(int width, int height)
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XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
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// Set bytes per row
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int bytes_per_row = (dga_fb_width + 7) & ~7;
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switch (depth) {
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case 15:
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case 16:
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bytes_per_row *= 2;
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break;
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case 24:
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case 32:
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bytes_per_row *= 4;
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break;
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}
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int bytes_per_row = TrivialBytesPerRow((dga_fb_width + 7) & ~7, DepthModeForPixelDepth(depth));
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#if ENABLE_VOSF
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bool native_byte_order;
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@ -395,28 +577,82 @@ static bool open_dga(int width, int height)
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static bool open_display(void)
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{
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display_type = VModes[cur_mode].viType;
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switch (VModes[cur_mode].viAppleMode) {
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case APPLE_1_BIT:
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depth = 1;
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break;
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case APPLE_2_BIT:
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depth = 2;
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break;
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case APPLE_4_BIT:
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depth = 4;
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break;
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case APPLE_8_BIT:
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depth = 8;
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break;
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case APPLE_16_BIT:
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depth = xdepth == 15 ? 15 : 16;
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break;
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case APPLE_32_BIT:
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depth = 32;
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break;
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D(bug("open_display()\n"));
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const VideoInfo &mode = VModes[cur_mode];
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// Find best available X visual
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if (!find_visual_for_depth(mode.viAppleMode)) {
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ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
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return false;
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}
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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);
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cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
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} else {
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cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocNone);
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cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocNone);
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}
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// Find pixel format of direct modes
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if (color_class == DirectColor || color_class == TrueColor) {
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rshift = gshift = bshift = 0;
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rloss = gloss = bloss = 8;
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uint32 mask;
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for (mask=vis->red_mask; !(mask&1); mask>>=1)
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++rshift;
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for (; mask&1; mask>>=1)
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--rloss;
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for (mask=vis->green_mask; !(mask&1); mask>>=1)
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++gshift;
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for (; mask&1; mask>>=1)
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--gloss;
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for (mask=vis->blue_mask; !(mask&1); mask>>=1)
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++bshift;
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for (; mask&1; mask>>=1)
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--bloss;
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}
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// Preset palette pixel values for CLUT or gamma table
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if (color_class == DirectColor) {
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int num = vis->map_entries;
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for (int i=0; i<num; i++) {
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int c = (i * 256) / num;
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x_palette[i].pixel = map_rgb(c, c, c);
|
||||
x_palette[i].flags = DoRed | DoGreen | DoBlue;
|
||||
}
|
||||
} else if (color_class == PseudoColor) {
|
||||
for (int i=0; i<256; i++) {
|
||||
x_palette[i].pixel = i;
|
||||
x_palette[i].flags = DoRed | DoGreen | DoBlue;
|
||||
}
|
||||
}
|
||||
|
||||
// Load gray ramp to color map
|
||||
int num = (color_class == DirectColor ? vis->map_entries : 256);
|
||||
for (int i=0; i<num; i++) {
|
||||
int c = (i * 256) / num;
|
||||
x_palette[i].red = c * 0x0101;
|
||||
x_palette[i].green = c * 0x0101;
|
||||
x_palette[i].blue = c * 0x0101;
|
||||
}
|
||||
if (color_class == PseudoColor || color_class == DirectColor) {
|
||||
XStoreColors(x_display, cmap[0], x_palette, num);
|
||||
XStoreColors(x_display, cmap[1], x_palette, num);
|
||||
}
|
||||
|
||||
#ifdef ENABLE_VOSF
|
||||
// Load gray ramp to 8->16/32 expand map
|
||||
if (!IsDirectMode(get_current_mode()) && xdepth > 8)
|
||||
for (int i=0; i<256; i++)
|
||||
ExpandMap[i] = map_rgb(i, i, i);
|
||||
#endif
|
||||
|
||||
// Create display of requested type
|
||||
display_type = mode.viType;
|
||||
depth = depth_of_video_mode(mode.viAppleMode);
|
||||
|
||||
bool display_open = false;
|
||||
if (display_type == DIS_SCREEN)
|
||||
display_open = open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
|
||||
@ -465,7 +701,14 @@ static void close_window(void)
|
||||
XFreeGC(x_display, the_gc);
|
||||
|
||||
// Close window
|
||||
XDestroyWindow(x_display, the_win);
|
||||
if (the_win) {
|
||||
XUnmapWindow(x_display, the_win);
|
||||
wait_unmapped(the_win);
|
||||
XDestroyWindow(x_display, the_win);
|
||||
}
|
||||
|
||||
XFlush(x_display);
|
||||
XSync(x_display, false);
|
||||
}
|
||||
|
||||
// Close DGA mode
|
||||
@ -501,6 +744,16 @@ static void close_display(void)
|
||||
else if (display_type == DIS_WINDOW)
|
||||
close_window();
|
||||
|
||||
// Free colormaps
|
||||
if (cmap[0]) {
|
||||
XFreeColormap(x_display, cmap[0]);
|
||||
cmap[0] = 0;
|
||||
}
|
||||
if (cmap[1]) {
|
||||
XFreeColormap(x_display, cmap[1]);
|
||||
cmap[1] = 0;
|
||||
}
|
||||
|
||||
#ifdef ENABLE_VOSF
|
||||
if (use_vosf) {
|
||||
// Deinitialize VOSF
|
||||
@ -607,7 +860,8 @@ static void keycode_init(void)
|
||||
}
|
||||
}
|
||||
|
||||
static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, long apple_mode, long apple_id, int type)
|
||||
// Add mode to list of supported modes
|
||||
static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
|
||||
{
|
||||
if (allow & test) {
|
||||
p->viType = type;
|
||||
@ -639,23 +893,20 @@ static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, long apple_mode,
|
||||
p->viYsize = 1200;
|
||||
break;
|
||||
}
|
||||
switch (apple_mode) {
|
||||
case APPLE_8_BIT:
|
||||
p->viRowBytes = p->viXsize;
|
||||
break;
|
||||
case APPLE_16_BIT:
|
||||
p->viRowBytes = p->viXsize * 2;
|
||||
break;
|
||||
case APPLE_32_BIT:
|
||||
p->viRowBytes = p->viXsize * 4;
|
||||
break;
|
||||
}
|
||||
p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
|
||||
p->viAppleMode = apple_mode;
|
||||
p->viAppleID = apple_id;
|
||||
p++;
|
||||
}
|
||||
}
|
||||
|
||||
// Add standard list of windowed modes for given color depth
|
||||
static void add_window_modes(VideoInfo *&p, int window_modes, int mode)
|
||||
{
|
||||
add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
|
||||
add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
|
||||
}
|
||||
|
||||
static bool has_mode(int x, int y)
|
||||
{
|
||||
#ifdef ENABLE_XF86_VIDMODE
|
||||
@ -694,13 +945,20 @@ bool VideoInit(void)
|
||||
|
||||
// Init variables
|
||||
private_data = NULL;
|
||||
cur_mode = 0; // Window 640x480
|
||||
video_activated = true;
|
||||
|
||||
// Find screen and root window
|
||||
screen = XDefaultScreen(x_display);
|
||||
rootwin = XRootWindow(x_display, screen);
|
||||
|
||||
// Get sorted list of available depths
|
||||
avail_depths = XListDepths(x_display, screen, &num_depths);
|
||||
if (avail_depths == NULL) {
|
||||
ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
|
||||
return false;
|
||||
}
|
||||
sort(avail_depths, avail_depths + num_depths);
|
||||
|
||||
// Get screen depth
|
||||
xdepth = DefaultDepth(x_display, screen);
|
||||
|
||||
@ -731,72 +989,24 @@ bool VideoInit(void)
|
||||
black_pixel = BlackPixel(x_display, screen);
|
||||
white_pixel = WhitePixel(x_display, screen);
|
||||
|
||||
// Get appropriate visual
|
||||
int color_class;
|
||||
switch (xdepth) {
|
||||
#if 0
|
||||
case 1:
|
||||
color_class = StaticGray;
|
||||
break;
|
||||
#endif
|
||||
case 8:
|
||||
color_class = PseudoColor;
|
||||
break;
|
||||
case 15:
|
||||
case 16:
|
||||
case 24:
|
||||
case 32:
|
||||
color_class = TrueColor;
|
||||
break;
|
||||
default:
|
||||
ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
|
||||
return false;
|
||||
}
|
||||
if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) {
|
||||
ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
|
||||
return false;
|
||||
}
|
||||
if (visualInfo.depth != xdepth) {
|
||||
ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
|
||||
return false;
|
||||
}
|
||||
vis = visualInfo.visual;
|
||||
|
||||
// Mac screen depth follows X depth (for now)
|
||||
depth = xdepth;
|
||||
|
||||
// Create color maps for 8 bit mode
|
||||
if (depth == 8) {
|
||||
cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
|
||||
cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
|
||||
XInstallColormap(x_display, cmap[0]);
|
||||
XInstallColormap(x_display, cmap[1]);
|
||||
int default_mode = APPLE_8_BIT;
|
||||
switch (DefaultDepth(x_display, screen)) {
|
||||
case 1:
|
||||
default_mode = APPLE_1_BIT;
|
||||
break;
|
||||
case 8:
|
||||
default_mode = APPLE_8_BIT;
|
||||
break;
|
||||
case 15: case 16:
|
||||
default_mode = APPLE_16_BIT;
|
||||
break;
|
||||
case 24: case 32:
|
||||
default_mode = APPLE_32_BIT;
|
||||
break;
|
||||
}
|
||||
|
||||
// Construct video mode table
|
||||
int mode = APPLE_8_BIT;
|
||||
int bpr_mult = 8;
|
||||
switch (depth) {
|
||||
case 1:
|
||||
mode = APPLE_1_BIT;
|
||||
bpr_mult = 1;
|
||||
break;
|
||||
case 8:
|
||||
mode = APPLE_8_BIT;
|
||||
bpr_mult = 8;
|
||||
break;
|
||||
case 15:
|
||||
case 16:
|
||||
mode = APPLE_16_BIT;
|
||||
bpr_mult = 16;
|
||||
break;
|
||||
case 24:
|
||||
case 32:
|
||||
mode = APPLE_32_BIT;
|
||||
bpr_mult = 32;
|
||||
break;
|
||||
}
|
||||
|
||||
uint32 window_modes = PrefsFindInt32("windowmodes");
|
||||
uint32 screen_modes = PrefsFindInt32("screenmodes");
|
||||
if (!has_dga)
|
||||
@ -805,21 +1015,23 @@ bool VideoInit(void)
|
||||
window_modes |= 3; // Allow at least 640x480 and 800x600 window modes
|
||||
|
||||
VideoInfo *p = VModes;
|
||||
add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
|
||||
add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
|
||||
for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
|
||||
if (find_visual_for_depth(d))
|
||||
add_window_modes(p, window_modes, d);
|
||||
|
||||
if (has_vidmode) {
|
||||
if (has_mode(640, 480))
|
||||
add_mode(p, screen_modes, 1, mode, APPLE_640x480, DIS_SCREEN);
|
||||
add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
|
||||
if (has_mode(800, 600))
|
||||
add_mode(p, screen_modes, 2, mode, APPLE_800x600, DIS_SCREEN);
|
||||
add_mode(p, screen_modes, 2, default_mode, APPLE_800x600, DIS_SCREEN);
|
||||
if (has_mode(1024, 768))
|
||||
add_mode(p, screen_modes, 4, mode, APPLE_1024x768, DIS_SCREEN);
|
||||
add_mode(p, screen_modes, 4, default_mode, APPLE_1024x768, DIS_SCREEN);
|
||||
if (has_mode(1152, 900))
|
||||
add_mode(p, screen_modes, 8, mode, APPLE_1152x900, DIS_SCREEN);
|
||||
add_mode(p, screen_modes, 8, default_mode, APPLE_1152x900, DIS_SCREEN);
|
||||
if (has_mode(1280, 1024))
|
||||
add_mode(p, screen_modes, 16, mode, APPLE_1280x1024, DIS_SCREEN);
|
||||
add_mode(p, screen_modes, 16, default_mode, APPLE_1280x1024, DIS_SCREEN);
|
||||
if (has_mode(1600, 1200))
|
||||
add_mode(p, screen_modes, 32, mode, APPLE_1600x1200, DIS_SCREEN);
|
||||
add_mode(p, screen_modes, 32, default_mode, APPLE_1600x1200, DIS_SCREEN);
|
||||
} else if (screen_modes) {
|
||||
int xsize = DisplayWidth(x_display, screen);
|
||||
int ysize = DisplayHeight(x_display, screen);
|
||||
@ -840,7 +1052,7 @@ bool VideoInit(void)
|
||||
p->viRowBytes = 0;
|
||||
p->viXsize = xsize;
|
||||
p->viYsize = ysize;
|
||||
p->viAppleMode = mode;
|
||||
p->viAppleMode = default_mode;
|
||||
p->viAppleID = apple_id;
|
||||
p++;
|
||||
}
|
||||
@ -850,6 +1062,26 @@ bool VideoInit(void)
|
||||
p->viAppleMode = 0;
|
||||
p->viAppleID = 0;
|
||||
|
||||
// Find default mode (window 640x480)
|
||||
cur_mode = -1;
|
||||
for (p = VModes; p->viType != DIS_INVALID; p++) {
|
||||
if (p->viType == DIS_WINDOW
|
||||
&& p->viAppleID == APPLE_W_640x480
|
||||
&& p->viAppleMode == default_mode) {
|
||||
cur_mode = p - VModes;
|
||||
break;
|
||||
}
|
||||
}
|
||||
assert(cur_mode != -1);
|
||||
|
||||
#if DEBUG
|
||||
D(bug("Available video modes:\n"));
|
||||
for (p = VModes; p->viType != DIS_INVALID; p++) {
|
||||
int bits = depth_of_video_mode(p->viAppleMode);
|
||||
D(bug(" %dx%d (ID %02x), %d colors\n", p->viXsize, p->viYsize, p->viAppleID, 1 << bits));
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef ENABLE_XF86_DGA
|
||||
if (has_dga && screen_modes) {
|
||||
int v_bank, v_size;
|
||||
@ -901,10 +1133,6 @@ void VideoExit(void)
|
||||
close_display();
|
||||
XFlush(x_display);
|
||||
XSync(x_display, false);
|
||||
if (depth == 8) {
|
||||
XFreeColormap(x_display, cmap[0]);
|
||||
XFreeColormap(x_display, cmap[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1498,7 +1726,47 @@ int16 video_mode_change(VidLocals *csSave, uint32 ParamPtr)
|
||||
|
||||
void video_set_palette(void)
|
||||
{
|
||||
LOCK_PALETTE;
|
||||
|
||||
// Convert colors to XColor array
|
||||
int mode = get_current_mode();
|
||||
int num_in = palette_size(mode);
|
||||
int num_out = 256;
|
||||
bool stretch = false;
|
||||
if (IsDirectMode(mode)) {
|
||||
// If X is in 565 mode we have to stretch the gamma table from 32 to 64 entries
|
||||
num_out = vis->map_entries;
|
||||
stretch = true;
|
||||
}
|
||||
XColor *p = x_palette;
|
||||
for (int i=0; i<num_out; i++) {
|
||||
int c = (stretch ? (i * num_in) / num_out : i);
|
||||
p->red = mac_pal[c].red * 0x0101;
|
||||
p->green = mac_pal[c].green * 0x0101;
|
||||
p->blue = mac_pal[c].blue * 0x0101;
|
||||
p++;
|
||||
}
|
||||
|
||||
#ifdef ENABLE_VOSF
|
||||
// Recalculate pixel color expansion map
|
||||
if (!IsDirectMode(mode) && xdepth > 8) {
|
||||
for (int i=0; i<256; i++) {
|
||||
int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier)
|
||||
ExpandMap[i] = map_rgb(mac_pal[c].red, mac_pal[c].green, mac_pal[c].blue);
|
||||
}
|
||||
|
||||
// We have to redraw everything because the interpretation of pixel values changed
|
||||
LOCK_VOSF;
|
||||
PFLAG_SET_ALL;
|
||||
UNLOCK_VOSF;
|
||||
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
|
||||
}
|
||||
#endif
|
||||
|
||||
// Tell redraw thread to change palette
|
||||
palette_changed = true;
|
||||
|
||||
UNLOCK_PALETTE;
|
||||
}
|
||||
|
||||
|
||||
@ -1637,6 +1905,43 @@ static void update_display(void)
|
||||
const int VIDEO_REFRESH_HZ = 60;
|
||||
const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
|
||||
|
||||
static void handle_palette_changes(void)
|
||||
{
|
||||
LOCK_PALETTE;
|
||||
|
||||
if (palette_changed && !emul_suspended) {
|
||||
palette_changed = false;
|
||||
|
||||
int mode = get_current_mode();
|
||||
if (color_class == PseudoColor || color_class == DirectColor) {
|
||||
int num = vis->map_entries;
|
||||
bool set_clut = true;
|
||||
if (!IsDirectMode(mode) && color_class == DirectColor) {
|
||||
if (display_type == DIS_WINDOW)
|
||||
set_clut = false; // Indexed mode on true color screen, don't set CLUT
|
||||
}
|
||||
|
||||
if (set_clut) {
|
||||
XDisplayLock();
|
||||
XStoreColors(x_display, cmap[0], x_palette, num);
|
||||
XStoreColors(x_display, cmap[1], x_palette, num);
|
||||
XSync(x_display, false);
|
||||
XDisplayUnlock();
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef ENABLE_XF86_DGA
|
||||
if (display_type == DIS_SCREEN) {
|
||||
current_dga_cmap ^= 1;
|
||||
if (!IsDirectMode(mode) && cmap[current_dga_cmap])
|
||||
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
UNLOCK_PALETTE;
|
||||
}
|
||||
|
||||
static void *redraw_func(void *arg)
|
||||
{
|
||||
int fd = ConnectionNumber(x_display);
|
||||
@ -1736,29 +2041,7 @@ static void *redraw_func(void *arg)
|
||||
#endif
|
||||
|
||||
// Set new palette if it was changed
|
||||
if (palette_changed && !emul_suspended) {
|
||||
palette_changed = false;
|
||||
XColor c[256];
|
||||
for (int i=0; i<256; i++) {
|
||||
c[i].pixel = i;
|
||||
c[i].red = mac_pal[i].red * 0x0101;
|
||||
c[i].green = mac_pal[i].green * 0x0101;
|
||||
c[i].blue = mac_pal[i].blue * 0x0101;
|
||||
c[i].flags = DoRed | DoGreen | DoBlue;
|
||||
}
|
||||
if (depth == 8) {
|
||||
XDisplayLock();
|
||||
XStoreColors(x_display, cmap[0], c, 256);
|
||||
XStoreColors(x_display, cmap[1], c, 256);
|
||||
#ifdef ENABLE_XF86_DGA
|
||||
if (display_type == DIS_SCREEN) {
|
||||
current_dga_cmap ^= 1;
|
||||
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
|
||||
}
|
||||
#endif
|
||||
XDisplayUnlock();
|
||||
}
|
||||
}
|
||||
handle_palette_changes();
|
||||
|
||||
} else {
|
||||
|
||||
|
||||
@ -46,6 +46,40 @@ enum { // viAppleMode
|
||||
APPLE_32_BIT
|
||||
};
|
||||
|
||||
// 1, 2, 4 and 8 bit depths use a color palette
|
||||
inline bool IsDirectMode(int mode)
|
||||
{
|
||||
return mode == APPLE_16_BIT || mode == APPLE_32_BIT;
|
||||
}
|
||||
|
||||
// Return the depth code that corresponds to the specified bits-per-pixel value
|
||||
inline int DepthModeForPixelDepth(int depth)
|
||||
{
|
||||
switch (depth) {
|
||||
case 1: return APPLE_1_BIT;
|
||||
case 2: return APPLE_2_BIT;
|
||||
case 4: return APPLE_4_BIT;
|
||||
case 8: return APPLE_8_BIT;
|
||||
case 15: case 16: return APPLE_16_BIT;
|
||||
case 24: case 32: return APPLE_32_BIT;
|
||||
default: return APPLE_1_BIT;
|
||||
}
|
||||
}
|
||||
|
||||
// Return a bytes-per-row value (assuming no padding) for the specified depth and pixel width
|
||||
inline uint32 TrivialBytesPerRow(uint32 width, int mode)
|
||||
{
|
||||
switch (mode) {
|
||||
case APPLE_1_BIT: return width / 8;
|
||||
case APPLE_2_BIT: return width / 4;
|
||||
case APPLE_4_BIT: return width / 2;
|
||||
case APPLE_8_BIT: return width;
|
||||
case APPLE_16_BIT: return width * 2;
|
||||
case APPLE_32_BIT: return width * 4;
|
||||
default: return width;
|
||||
}
|
||||
}
|
||||
|
||||
enum { // viAppleID
|
||||
APPLE_640x480 = 0x81,
|
||||
APPLE_W_640x480,
|
||||
|
||||
@ -215,11 +215,11 @@ enum { // VDSetEntry struct
|
||||
csCount = 6
|
||||
};
|
||||
|
||||
struct ColorSpec {
|
||||
uint16 value;
|
||||
uint16 red;
|
||||
uint16 green;
|
||||
uint16 blue;
|
||||
enum { // ColorSpec table entry
|
||||
csValue = 0,
|
||||
csRed = 2,
|
||||
csGreen = 4,
|
||||
csBlue = 6
|
||||
};
|
||||
|
||||
enum { // VDVideoParametersInfo struct
|
||||
|
||||
@ -287,10 +287,10 @@ static int16 VideoControl(uint32 pb, VidLocals *csSave)
|
||||
case cscSetEntries: { // SetEntries
|
||||
D(bug("SetEntries\n"));
|
||||
if (VModes[cur_mode].viAppleMode > APPLE_8_BIT) return controlErr;
|
||||
ColorSpec *s_pal = (ColorSpec *)Mac2HostAddr(ReadMacInt32(param + csTable));
|
||||
int16 start = ReadMacInt16(param + csStart);
|
||||
int16 count = ReadMacInt16(param + csCount);
|
||||
if (s_pal == NULL || count > 256) return controlErr;
|
||||
uint32 s_pal = ReadMacInt32(param + csTable);
|
||||
uint16 start = ReadMacInt16(param + csStart);
|
||||
uint16 count = ReadMacInt16(param + csCount);
|
||||
if (s_pal == 0 || count > 256) return controlErr;
|
||||
|
||||
// Preparations for gamma correction
|
||||
bool do_gamma = false;
|
||||
@ -313,12 +313,12 @@ static int16 VideoControl(uint32 pb, VidLocals *csSave)
|
||||
|
||||
// Set palette
|
||||
rgb_color *d_pal;
|
||||
if (start == -1) { // Indexed
|
||||
if (start == 0xffff) { // Indexed
|
||||
for (int i=0; i<=count; i++) {
|
||||
d_pal = &(mac_pal[(*s_pal).value]);
|
||||
uint8 red = (*s_pal).red >> 8;
|
||||
uint8 green = (*s_pal).green >> 8;
|
||||
uint8 blue = (*s_pal).blue >> 8;
|
||||
d_pal = mac_pal + (ReadMacInt16(s_pal + csValue) & 0xff);
|
||||
uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8;
|
||||
uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8;
|
||||
uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8;
|
||||
if (csSave->luminanceMapping)
|
||||
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
|
||||
if (do_gamma) {
|
||||
@ -329,14 +329,14 @@ static int16 VideoControl(uint32 pb, VidLocals *csSave)
|
||||
(*d_pal).red = red;
|
||||
(*d_pal).green = green;
|
||||
(*d_pal).blue = blue;
|
||||
s_pal++;
|
||||
s_pal += 8;
|
||||
}
|
||||
} else { // Sequential
|
||||
d_pal = &(mac_pal[start]);
|
||||
} else { // Sequential
|
||||
d_pal = mac_pal + start;
|
||||
for (int i=0; i<=count; i++) {
|
||||
uint8 red = (*s_pal).red >> 8;
|
||||
uint8 green = (*s_pal).green >> 8;
|
||||
uint8 blue = (*s_pal).blue >> 8;
|
||||
uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8;
|
||||
uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8;
|
||||
uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8;
|
||||
if (csSave->luminanceMapping)
|
||||
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
|
||||
if (do_gamma) {
|
||||
@ -347,7 +347,8 @@ static int16 VideoControl(uint32 pb, VidLocals *csSave)
|
||||
(*d_pal).red = red;
|
||||
(*d_pal).green = green;
|
||||
(*d_pal).blue = blue;
|
||||
d_pal++; s_pal++;
|
||||
d_pal++;
|
||||
s_pal += 8;
|
||||
}
|
||||
}
|
||||
video_set_palette();
|
||||
@ -359,39 +360,29 @@ static int16 VideoControl(uint32 pb, VidLocals *csSave)
|
||||
return set_gamma(csSave, ReadMacInt32(param));
|
||||
|
||||
case cscGrayPage: { // GrayPage
|
||||
D(bug("GrayPage\n"));
|
||||
uint32 *screen = (uint32 *)csSave->saveBaseAddr;
|
||||
uint32 pattern;
|
||||
uint32 row_bytes = VModes[cur_mode].viRowBytes;
|
||||
switch (VModes[cur_mode].viAppleMode) {
|
||||
case APPLE_8_BIT:
|
||||
pattern=0xff00ff00;
|
||||
for (int i=0;i<VModes[cur_mode].viYsize;i++) {
|
||||
for (int j=0;j<(VModes[cur_mode].viXsize>>2);j++)
|
||||
screen[j] = pattern;
|
||||
pattern = ~pattern;
|
||||
screen = (uint32 *)((uint32)screen + row_bytes);
|
||||
}
|
||||
break;
|
||||
case APPLE_16_BIT:
|
||||
pattern=0xffff0000;
|
||||
for (int i=0;i<VModes[cur_mode].viYsize;i++) {
|
||||
for (int j=0;j<(VModes[cur_mode].viXsize>>1);j++)
|
||||
screen[j]=pattern;
|
||||
pattern = ~pattern;
|
||||
screen = (uint32 *)((uint32)screen + row_bytes);
|
||||
}
|
||||
break;
|
||||
case APPLE_32_BIT:
|
||||
pattern=0xffffffff;
|
||||
for (int i=0;i<VModes[cur_mode].viYsize;i++) {
|
||||
for (int j=0;j<VModes[cur_mode].viXsize;j++) {
|
||||
screen[j]=pattern;
|
||||
pattern = ~pattern;
|
||||
}
|
||||
screen = (uint32 *)((uint32)screen + row_bytes);
|
||||
}
|
||||
break;
|
||||
D(bug("GrayPage %d\n", ReadMacInt16(param + csPage)));
|
||||
if (ReadMacInt16(param + csPage))
|
||||
return paramErr;
|
||||
|
||||
uint32 pattern[6] = {
|
||||
0xaaaaaaaa, // 1 bpp
|
||||
0xcccccccc, // 2 bpp
|
||||
0xf0f0f0f0, // 4 bpp
|
||||
0xff00ff00, // 8 bpp
|
||||
0xffff0000, // 16 bpp
|
||||
0xffffffff // 32 bpp
|
||||
};
|
||||
uint32 p = csSave->saveBaseAddr;
|
||||
uint32 pat = pattern[VModes[cur_mode].viAppleMode - APPLE_1_BIT];
|
||||
bool invert = (VModes[cur_mode].viAppleMode == APPLE_32_BIT);
|
||||
for (uint32 y=0; y<VModes[cur_mode].viYsize; y++) {
|
||||
for (uint32 x=0; x<VModes[cur_mode].viRowBytes; x+=4) {
|
||||
WriteMacInt32(p + x, pat);
|
||||
if (invert)
|
||||
pat = ~pat;
|
||||
}
|
||||
p += VModes[cur_mode].viRowBytes;
|
||||
pat = ~pat;
|
||||
}
|
||||
return noErr;
|
||||
}
|
||||
@ -547,30 +538,40 @@ static int16 VideoStatus(uint32 pb, VidLocals *csSave)
|
||||
|
||||
case cscGetEntries: { // GetEntries
|
||||
D(bug("GetEntries\n"));
|
||||
ColorSpec *d_pal = (ColorSpec *)Mac2HostAddr(ReadMacInt32(param + csTable));
|
||||
int16 start = ReadMacInt16(param + csStart);
|
||||
int16 count = ReadMacInt16(param + csCount);
|
||||
uint32 d_pal = ReadMacInt32(param + csTable);
|
||||
uint16 start = ReadMacInt16(param + csStart);
|
||||
uint16 count = ReadMacInt16(param + csCount);
|
||||
rgb_color *s_pal;
|
||||
if ((VModes[cur_mode].viAppleMode == APPLE_32_BIT)||
|
||||
(VModes[cur_mode].viAppleMode == APPLE_16_BIT)) {
|
||||
D(bug("ERROR: GetEntries in direct mode \n"));
|
||||
return statusErr;
|
||||
}
|
||||
if (start >= 0) { // indexed get
|
||||
s_pal = &(mac_pal[start]);
|
||||
|
||||
if (start == 0xffff) { // Indexed
|
||||
for (uint16 i=0;i<count;i++) {
|
||||
(*d_pal).red=(uint16)((*s_pal).red)*0x101;
|
||||
(*d_pal).green=(uint16)((*s_pal).green)*0x101;
|
||||
(*d_pal).blue=(uint16)((*s_pal).blue)*0x101;
|
||||
d_pal++; s_pal++;
|
||||
s_pal = mac_pal + (ReadMacInt16(d_pal + csValue) & 0xff);
|
||||
uint8 red = (*s_pal).red;
|
||||
uint8 green = (*s_pal).green;
|
||||
uint8 blue = (*s_pal).blue;
|
||||
WriteMacInt16(d_pal + csRed, red * 0x0101);
|
||||
WriteMacInt16(d_pal + csGreen, green * 0x0101);
|
||||
WriteMacInt16(d_pal + csBlue, blue * 0x0101);
|
||||
d_pal += 8;
|
||||
}
|
||||
} else { // selected set
|
||||
} else { // Sequential
|
||||
if (start + count > 255)
|
||||
return paramErr;
|
||||
s_pal = mac_pal + start;
|
||||
for (uint16 i=0;i<count;i++) {
|
||||
s_pal = &(mac_pal[(*d_pal).value]);
|
||||
(*d_pal).red=(uint16)((*s_pal).red)*0x101;
|
||||
(*d_pal).green=(uint16)((*s_pal).green)*0x101;
|
||||
(*d_pal).blue=(uint16)((*s_pal).blue)*0x101;
|
||||
d_pal++;
|
||||
uint8 red = (*s_pal).red;
|
||||
uint8 green = (*s_pal).green;
|
||||
uint8 blue = (*s_pal).blue;
|
||||
s_pal++;
|
||||
WriteMacInt16(d_pal + csRed, red * 0x0101);
|
||||
WriteMacInt16(d_pal + csGreen, green * 0x0101);
|
||||
WriteMacInt16(d_pal + csBlue, blue * 0x0101);
|
||||
d_pal += 8;
|
||||
}
|
||||
};
|
||||
return noErr;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user