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/* |
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* video_sdl.cpp - Video/graphics emulation, SDL specific stuff |
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* |
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< |
* Basilisk II (C) 1997-2005 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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* Ctrl-F5 = grab mouse (in windowed mode) |
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* |
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* FIXMEs and TODOs: |
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* - Windows requires an extra mouse event to update the actual cursor image? |
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* - Ctr-Tab for suspend/resume but how? SDL does not support that for non-Linux |
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* - Ctrl-Fn doesn't generate SDL_KEYDOWN events (SDL bug?) |
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* - Mouse acceleration, there is no API in SDL yet for that |
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* - Force relative mode in Grab mode even if SDL provides absolute coordinates? |
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* - Fullscreen mode |
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* - Gamma tables support is likely to be broken here |
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* - Events processing is bound to the general emulation thread as SDL requires |
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* to PumpEvents() within the same thread as the one that called SetVideoMode(). |
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* Besides, there can't seem to be a way to call SetVideoMode() from a child thread. |
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* - Refresh performance is still slow. Use SDL_CreateRGBSurface()? |
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* - Backport hw cursor acceleration to Basilisk II? |
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* - Factor out code |
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*/ |
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#include <errno.h> |
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#include <vector> |
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|
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#ifdef WIN32 |
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#include <malloc.h> /* alloca() */ |
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#endif |
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|
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#include "cpu_emulation.h" |
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#include "main.h" |
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#include "adb.h" |
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static volatile bool cursor_changed = false; // Flag: cursor changed, redraw_func must update the cursor |
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static SDL_Color sdl_palette[256]; // Color palette to be used as CLUT and gamma table |
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static bool sdl_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors |
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< |
static const int sdl_eventmask = SDL_MOUSEBUTTONDOWNMASK | SDL_MOUSEBUTTONUPMASK | SDL_MOUSEMOTIONMASK | SDL_KEYUPMASK | SDL_KEYDOWNMASK | SDL_VIDEOEXPOSEMASK | SDL_QUITMASK; |
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static const int sdl_eventmask = SDL_MOUSEEVENTMASK | SDL_KEYEVENTMASK | SDL_VIDEOEXPOSEMASK | SDL_QUITMASK | SDL_ACTIVEEVENTMASK; |
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|
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// Mutex to protect SDL events |
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static SDL_mutex *sdl_events_lock = NULL; |
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|
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static void *vm_acquire_framebuffer(uint32 size) |
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{ |
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return vm_acquire(size); |
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// always try to reallocate framebuffer at the same address |
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static void *fb = VM_MAP_FAILED; |
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if (fb != VM_MAP_FAILED) { |
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if (vm_acquire_fixed(fb, size) < 0) { |
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#ifndef SHEEPSHAVER |
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printf("FATAL: Could not reallocate framebuffer at previous address\n"); |
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#endif |
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fb = VM_MAP_FAILED; |
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} |
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} |
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if (fb == VM_MAP_FAILED) |
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fb = vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
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return fb; |
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} |
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static inline void vm_release_framebuffer(void *fb, uint32 size) |
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* Windowed display driver |
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*/ |
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static bool SDL_display_opened = false; |
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|
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// Open display |
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driver_window::driver_window(SDL_monitor_desc &m) |
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: driver_base(m), mouse_grabbed(false) |
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// Set absolute mouse mode |
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ADBSetRelMouseMode(mouse_grabbed); |
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|
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// This is ugly: |
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// If we're switching resolutions (ie, not setting it for the first time), |
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// there's a bug in SDL where the SDL_Surface created will not be properly |
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// setup. The solution is to SDL_QuitSubSystem(SDL_INIT_VIDEO) before calling |
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// SDL_SetVideoMode for the second time (SDL_SetVideoMode will call SDL_Init() |
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// and all will be well). Without this, the video becomes corrupted (at least |
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// on Mac OS X), after the resolution switch. |
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if (SDL_display_opened) |
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SDL_QuitSubSystem(SDL_INIT_VIDEO); |
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|
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// Create surface |
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int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH); |
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if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE)) == NULL) |
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return; |
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SDL_display_opened = true; |
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|
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#ifdef ENABLE_VOSF |
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use_vosf = true; |
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// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
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#ifdef SHEEPSHAVER |
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bool video_can_change_cursor(void) |
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{ |
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return (display_type == DISPLAY_WINDOW); |
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static char driver[] = "Quartz?"; |
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static int quartzok = -1; |
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|
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if (display_type != DISPLAY_WINDOW) |
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return false; |
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|
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if (quartzok < 0) { |
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if (SDL_VideoDriverName(driver, sizeof driver) == NULL || strncmp(driver, "Quartz", sizeof driver)) |
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quartzok = true; |
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else { |
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// Quartz driver bug prevents cursor changing in SDL 1.2.11 and later |
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const SDL_version *vp = SDL_Linked_Version(); |
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quartzok = SDL_VERSIONNUM(vp->major, vp->minor, vp->patch) <= SDL_VERSIONNUM(1, 2, 10); |
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} |
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} |
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|
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return quartzok; |
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} |
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#endif |
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|
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// Mouse button |
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case SDL_MOUSEBUTTONDOWN: { |
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unsigned int button = event.button.button; |
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if (button < 4) |
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ADBMouseDown(button - 1); |
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if (button == SDL_BUTTON_LEFT) |
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ADBMouseDown(0); |
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else if (button == SDL_BUTTON_RIGHT) |
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ADBMouseDown(1); |
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else if (button == SDL_BUTTON_MIDDLE) |
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ADBMouseDown(2); |
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else if (button < 6) { // Wheel mouse |
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if (mouse_wheel_mode == 0) { |
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int key = (button == 5) ? 0x79 : 0x74; // Page up/down |
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} |
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case SDL_MOUSEBUTTONUP: { |
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unsigned int button = event.button.button; |
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if (button < 4) |
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ADBMouseUp(button - 1); |
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if (button == SDL_BUTTON_LEFT) |
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ADBMouseUp(0); |
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else if (button == SDL_BUTTON_RIGHT) |
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ADBMouseUp(1); |
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else if (button == SDL_BUTTON_MIDDLE) |
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ADBMouseUp(2); |
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break; |
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} |
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|
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ADBKeyDown(0x7f); // Power key |
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ADBKeyUp(0x7f); |
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break; |
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|
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// Application activate/deactivate; consume the event but otherwise ignore it |
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case SDL_ACTIVEEVENT: |
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break; |
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} |
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} |
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} |
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LOCK_EVENTS; |
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SDL_FreeCursor(sdl_cursor); |
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sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, MacCursor[2], MacCursor[3]); |
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if (sdl_cursor) |
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if (sdl_cursor) { |
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SDL_ShowCursor(private_data == NULL || private_data->cursorVisible); |
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SDL_SetCursor(sdl_cursor); |
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#ifdef WIN32 |
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// XXX Windows apparently needs an extra mouse event to |
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// make the new cursor image visible |
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int visible = SDL_ShowCursor(-1); |
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if (visible) { |
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int x, y; |
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SDL_GetMouseState(&x, &y); |
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SDL_WarpMouse(x, y); |
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} |
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#endif |
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} |
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UNLOCK_EVENTS; |
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} |
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#endif |
