diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/nanox/SDL_nxvideo.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/nanox/SDL_nxvideo.c | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/nanox/SDL_nxvideo.c b/distrib/sdl-1.2.15/src/video/nanox/SDL_nxvideo.c new file mode 100644 index 0000000..b188e09 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/nanox/SDL_nxvideo.c @@ -0,0 +1,544 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + Copyright (C) 2001 Hsieh-Fu Tsai + Copyright (C) 2002 Greg Haerr <greg@censoft.com> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@libsdl.org + + Hsieh-Fu Tsai + clare@setabox.com +*/ +#include "SDL_config.h" + +#include "SDL_thread.h" +#include "SDL_video.h" +#include "../SDL_pixels_c.h" +#include "../../events/SDL_events_c.h" + +#define MWINCLUDECOLORS +#include "SDL_nxvideo.h" +#include "SDL_nxmodes_c.h" +#include "SDL_nxwm_c.h" +#include "SDL_nxmouse_c.h" +#include "SDL_nximage_c.h" +#include "SDL_nxevents_c.h" + +// Initialization/Query functions +static int NX_VideoInit (_THIS, SDL_PixelFormat * vformat) ; +static SDL_Surface * NX_SetVideoMode (_THIS, SDL_Surface * current, int width, int height, int bpp, Uint32 flags) ; +static int NX_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors) ; +static void NX_VideoQuit (_THIS) ; +static void NX_DestroyWindow (_THIS, SDL_Surface * screen) ; +static int NX_ToggleFullScreen (_THIS, int on) ; +static void NX_UpdateMouse (_THIS) ; +static int NX_SetGammaRamp (_THIS, Uint16 * ramp) ; +static int NX_GetGammaRamp (_THIS, Uint16 * ramp) ; + +// Microwin driver bootstrap functions +static int NX_Available () +{ + Dprintf ("enter NX_Available\n") ; + + if (GrOpen () < 0) return 0 ; + GrClose () ; + + Dprintf ("leave NX_Available\n") ; + return 1 ; +} + +static void NX_DeleteDevice (SDL_VideoDevice * device) +{ + Dprintf ("enter NX_DeleteDevice\n") ; + + if (device) { + if (device -> hidden) SDL_free (device -> hidden) ; + if (device -> gl_data) SDL_free (device -> gl_data) ; + SDL_free (device) ; + } + + Dprintf ("leave NX_DeleteDevice\n") ; +} + +static SDL_VideoDevice * NX_CreateDevice (int devindex) +{ + SDL_VideoDevice * device ; + + Dprintf ("enter NX_CreateDevice\n") ; + + // Initialize all variables that we clean on shutdown + device = (SDL_VideoDevice *) SDL_malloc (sizeof (SDL_VideoDevice)) ; + if (device) { + SDL_memset (device, 0, (sizeof * device)) ; + device -> hidden = (struct SDL_PrivateVideoData *) + SDL_malloc ((sizeof * device -> hidden)) ; + device -> gl_data = NULL ; + } + if ((device == NULL) || (device -> hidden == NULL)) { + SDL_OutOfMemory () ; + NX_DeleteDevice (device) ; + return 0 ; + } + SDL_memset (device -> hidden, 0, (sizeof * device -> hidden)) ; + + // Set the function pointers + device -> VideoInit = NX_VideoInit ; + device -> ListModes = NX_ListModes ; + device -> SetVideoMode = NX_SetVideoMode ; + device -> ToggleFullScreen = NX_ToggleFullScreen ; + device -> UpdateMouse = NX_UpdateMouse ; + device -> CreateYUVOverlay = NULL ; + device -> SetColors = NX_SetColors ; + device -> UpdateRects = NULL ; + device -> VideoQuit = NX_VideoQuit; + device -> AllocHWSurface = NULL ; + device -> CheckHWBlit = NULL ; + device -> FillHWRect = NULL ; + device -> SetHWColorKey = NULL ; + device -> SetHWAlpha = NULL ; + device -> LockHWSurface = NULL ; + device -> UnlockHWSurface = NULL ; + device -> FlipHWSurface = NULL ; + device -> FreeHWSurface = NULL ; + device -> SetGamma = NULL ; + device -> GetGamma = NULL ; + device -> SetGammaRamp = NX_SetGammaRamp ; + device -> GetGammaRamp = NX_GetGammaRamp ; + +#if SDL_VIDEO_OPENGL + device -> GL_LoadLibrary = NULL ; + device -> GL_GetProcAddress = NULL ; + device -> GL_GetAttribute = NULL ; + device -> GL_MakeCurrent = NULL ; + device -> GL_SwapBuffers = NULL ; +#endif + + device -> SetIcon = NULL ; + device -> SetCaption = NX_SetCaption; + device -> IconifyWindow = NULL ; + device -> GrabInput = NULL ; + device -> GetWMInfo = NX_GetWMInfo ; + device -> FreeWMCursor = NX_FreeWMCursor ; + device -> CreateWMCursor = NX_CreateWMCursor ; + device -> ShowWMCursor = NX_ShowWMCursor ; + device -> WarpWMCursor = NX_WarpWMCursor ; + device -> CheckMouseMode = NULL ; + device -> InitOSKeymap = NX_InitOSKeymap ; + device -> PumpEvents = NX_PumpEvents ; + + device -> free = NX_DeleteDevice ; + + Dprintf ("leave NX_CreateDevice\n") ; + return device ; +} + +VideoBootStrap NX_bootstrap = { + "nanox", "nanox", NX_Available, NX_CreateDevice +} ; + +static void create_aux_windows (_THIS) +{ + GR_WM_PROPERTIES props ; + + Dprintf ("enter create_aux_windows\n") ; + + // Don't create any extra windows if we are being managed + if (SDL_windowid) { + FSwindow = 0 ; + return ; + } + + if (FSwindow && FSwindow != GR_ROOT_WINDOW_ID) { + GrDestroyWindow (FSwindow) ; + } + + FSwindow = GrNewWindow (GR_ROOT_WINDOW_ID, 0, 0, 1, 1, 0, BLACK, BLACK) ; + props.flags = GR_WM_FLAGS_PROPS ; + props.props = GR_WM_PROPS_NODECORATE ; + GrSetWMProperties (FSwindow, & props) ; + + GrSelectEvents (FSwindow, (GR_EVENT_MASK_EXPOSURE | + GR_EVENT_MASK_BUTTON_DOWN | GR_EVENT_MASK_BUTTON_UP | + GR_EVENT_MASK_FOCUS_IN | GR_EVENT_MASK_FOCUS_OUT | + GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP | + GR_EVENT_MASK_MOUSE_ENTER | GR_EVENT_MASK_MOUSE_EXIT | + GR_EVENT_MASK_MOUSE_MOTION | GR_EVENT_MASK_UPDATE | + GR_EVENT_MASK_CLOSE_REQ)) ; + + Dprintf ("leave create_aux_windows\n") ; +} + +int NX_VideoInit (_THIS, SDL_PixelFormat * vformat) +{ + GR_SCREEN_INFO si ; + + Dprintf ("enter NX_VideoInit\n") ; + + if (GrOpen () < 0) { + SDL_SetError ("GrOpen() fail") ; + return -1 ; + } + + // use share memory to speed up +#ifdef NANOX_SHARE_MEMORY + GrReqShmCmds (0xFFFF); +#endif + + SDL_Window = 0 ; + FSwindow = 0 ; + + GammaRamp_R = NULL ; + GammaRamp_G = NULL ; + GammaRamp_B = NULL ; + + GrGetScreenInfo (& si) ; + SDL_Visual.bpp = si.bpp ; + + /* Determine the current screen size */ + this->info.current_w = si.cols ; + this->info.current_h = si.rows ; + + // GetVideoMode + SDL_modelist = (SDL_Rect **) SDL_malloc (sizeof (SDL_Rect *) * 2) ; + if (SDL_modelist) { + SDL_modelist [0] = (SDL_Rect *) SDL_malloc (sizeof(SDL_Rect)) ; + if (SDL_modelist [0]) { + SDL_modelist [0] -> x = 0 ; + SDL_modelist [0] -> y = 0 ; + SDL_modelist [0] -> w = si.cols ; + SDL_modelist [0] -> h = si.rows ; + } + SDL_modelist [1] = NULL ; + } + + pixel_type = si.pixtype; + SDL_Visual.red_mask = si.rmask; + SDL_Visual.green_mask = si.gmask; + SDL_Visual.blue_mask = si.bmask; + + vformat -> BitsPerPixel = SDL_Visual.bpp ; + if (vformat -> BitsPerPixel > 8) { + vformat -> Rmask = SDL_Visual.red_mask ; + vformat -> Gmask = SDL_Visual.green_mask ; + vformat -> Bmask = SDL_Visual.blue_mask ; + } + + // See if we have been passed a window to use + SDL_windowid = getenv ("SDL_WINDOWID") ; + + // Create the fullscreen (and managed windows : no implement) + create_aux_windows (this) ; + + Dprintf ("leave NX_VideoInit\n") ; + return 0 ; +} + +void NX_VideoQuit (_THIS) +{ + Dprintf ("enter NX_VideoQuit\n") ; + + // Start shutting down the windows + NX_DestroyImage (this, this -> screen) ; + NX_DestroyWindow (this, this -> screen) ; + if (FSwindow && FSwindow != GR_ROOT_WINDOW_ID) { + GrDestroyWindow (FSwindow) ; + } + NX_FreeVideoModes (this) ; + SDL_free (GammaRamp_R) ; + SDL_free (GammaRamp_G) ; + SDL_free (GammaRamp_B) ; + +#ifdef ENABLE_NANOX_DIRECT_FB + if (Clientfb) + GrCloseClientFramebuffer(); +#endif + GrClose () ; + + Dprintf ("leave NX_VideoQuit\n") ; +} + +static void NX_DestroyWindow (_THIS, SDL_Surface * screen) +{ + Dprintf ("enter NX_DestroyWindow\n") ; + + if (! SDL_windowid) { + if (screen && (screen -> flags & SDL_FULLSCREEN)) { + screen -> flags &= ~ SDL_FULLSCREEN ; + NX_LeaveFullScreen (this) ; + } + + // Destroy the output window + if (SDL_Window && SDL_Window != GR_ROOT_WINDOW_ID) { + GrDestroyWindow (SDL_Window) ; + } + } + + // Free the graphics context + if (! SDL_GC) { + GrDestroyGC (SDL_GC) ; + SDL_GC = 0; + } + + Dprintf ("leave NX_DestroyWindow\n") ; +} + +static int NX_CreateWindow (_THIS, SDL_Surface * screen, + int w, int h, int bpp, Uint32 flags) +{ + Dprintf ("enter NX_CreateWindow\n") ; + + // If a window is already present, destroy it and start fresh + if (SDL_Window && SDL_Window != GR_ROOT_WINDOW_ID) { + NX_DestroyWindow (this, screen) ; + } + + // See if we have been given a window id + if (SDL_windowid) { + SDL_Window = SDL_strtol (SDL_windowid, NULL, 0) ; + } else { + SDL_Window = 0 ; + } + + if ( ! SDL_ReallocFormat (screen, bpp, SDL_Visual.red_mask, + SDL_Visual.green_mask, SDL_Visual.blue_mask, 0)) + return -1; + + // Create (or use) the nanox display window + if (! SDL_windowid) { + + SDL_Window = GrNewWindow (GR_ROOT_WINDOW_ID, 0, 0, w, h, 0, BLACK, WHITE) ; + + GrSelectEvents (SDL_Window, (GR_EVENT_MASK_EXPOSURE | + GR_EVENT_MASK_BUTTON_DOWN | GR_EVENT_MASK_BUTTON_UP | + GR_EVENT_MASK_FOCUS_IN | GR_EVENT_MASK_FOCUS_OUT | + GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP | + GR_EVENT_MASK_MOUSE_ENTER | GR_EVENT_MASK_MOUSE_EXIT | + GR_EVENT_MASK_MOUSE_MOTION | GR_EVENT_MASK_UPDATE | + GR_EVENT_MASK_CLOSE_REQ)) ; + } + + /* Create the graphics context here, once we have a window */ + SDL_GC = GrNewGC () ; + if (SDL_GC == 0) { + SDL_SetError("Couldn't create graphics context"); + return(-1); + } + + // Map them both and go fullscreen, if requested + if (! SDL_windowid) { + GrMapWindow (SDL_Window) ; + if (flags & SDL_FULLSCREEN) { + screen -> flags |= SDL_FULLSCREEN ; + NX_EnterFullScreen (this) ; + } else { + screen -> flags &= ~ SDL_FULLSCREEN ; + } + } + +#ifdef ENABLE_NANOX_DIRECT_FB + /* attempt allocating the client side framebuffer */ + Clientfb = GrOpenClientFramebuffer(); + /* NULL return will default to using GrArea()*/ +#endif + + Dprintf ("leave NX_CreateWindow\n") ; + return 0 ; +} + +SDL_Surface * NX_SetVideoMode (_THIS, SDL_Surface * current, + int width, int height, int bpp, Uint32 flags) +{ + Dprintf ("enter NX_SetVideoMode\n") ; + + // Lock the event thread, in multi-threading environments + SDL_Lock_EventThread () ; + + bpp = SDL_Visual.bpp ; + if (NX_CreateWindow (this, current, width, height, bpp, flags) < 0) { + current = NULL; + goto done; + } + + if (current -> w != width || current -> h != height) { + current -> w = width ; + current -> h = height ; + current -> pitch = SDL_CalculatePitch (current) ; + NX_ResizeImage (this, current, flags) ; + } + + /* Clear these flags and set them only if they are in the new set. */ + current -> flags &= ~(SDL_RESIZABLE|SDL_NOFRAME); + current -> flags |= (flags & (SDL_RESIZABLE | SDL_NOFRAME)) ; + + done: + SDL_Unlock_EventThread () ; + + Dprintf ("leave NX_SetVideoMode\n") ; + + // We're done! + return current ; +} + +// ncolors <= 256 +int NX_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors) +{ + int i ; + GR_PALETTE pal ; + + Dprintf ("enter NX_SetColors\n") ; + + if (ncolors > 256) return 0 ; + + pal.count = ncolors ; + for (i = 0; i < ncolors; ++ i) { + pal.palette [i].r = colors [i].r ; + pal.palette [i].g = colors [i].g ; + pal.palette [i].b = colors [i].b ; + } + GrSetSystemPalette (firstcolor, & pal) ; + + Dprintf ("leave NX_SetColors\n") ; + return 1 ; +} + +static int NX_ToggleFullScreen (_THIS, int on) +{ + SDL_Rect rect ; + Uint32 event_thread ; + + Dprintf ("enter NX_ToggleFullScreen\n") ; + + // Don't switch if we don't own the window + if (SDL_windowid) return 0 ; + + // Don't lock if we are the event thread + event_thread = SDL_EventThreadID () ; + if (event_thread && (SDL_ThreadID () == event_thread)) { + event_thread = 0 ; + } + if (event_thread) { + SDL_Lock_EventThread() ; + } + + if (on) { + NX_EnterFullScreen (this) ; + } else { + this -> screen -> flags &= ~ SDL_FULLSCREEN ; + NX_LeaveFullScreen (this) ; + } + + rect.x = rect.y = 0 ; + rect.w = this -> screen -> w, rect.h = this -> screen -> h ; + NX_NormalUpdate (this, 1, & rect) ; + + if (event_thread) { + SDL_Unlock_EventThread () ; + } + + Dprintf ("leave NX_ToggleFullScreen\n") ; + return 1 ; +} + +// Update the current mouse state and position +static void NX_UpdateMouse (_THIS) +{ + int x, y ; + GR_WINDOW_INFO info ; + GR_SCREEN_INFO si ; + + + Dprintf ("enter NX_UpdateMouse\n") ; + + // Lock the event thread, in multi-threading environments + SDL_Lock_EventThread () ; + + GrGetScreenInfo (& si) ; + GrGetWindowInfo (SDL_Window, & info) ; + x = si.xpos - info.x ; + y = si.ypos - info.y ; + if (x >= 0 && x <= info.width && y >= 0 && y <= info.height) { + SDL_PrivateAppActive (1, SDL_APPMOUSEFOCUS) ; + SDL_PrivateMouseMotion (0, 0, x, y); + } else { + SDL_PrivateAppActive (0, SDL_APPMOUSEFOCUS) ; + } + + SDL_Unlock_EventThread () ; + Dprintf ("leave NX_UpdateMouse\n") ; +} + +static int NX_SetGammaRamp (_THIS, Uint16 * ramp) +{ + int i ; + Uint16 * red, * green, * blue ; + + Dprintf ("enter NX_SetGammaRamp\n") ; + + if (SDL_Visual.bpp != 32 && SDL_Visual.bpp != 24) return -1 ; + + if (! GammaRamp_R) GammaRamp_R = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ; + if (! GammaRamp_G) GammaRamp_G = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ; + if (! GammaRamp_B) GammaRamp_B = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ; + if ((! GammaRamp_R) || (! GammaRamp_G) || (! GammaRamp_B)) { + SDL_OutOfMemory () ; + return -1 ; + } + + for (i = 0; i < CI_SIZE; ++ i) + GammaRamp_R [i] = GammaRamp_G [i] = GammaRamp_B [i] = i ; + + red = ramp ; + green = ramp + CI_SIZE ; + blue = green + CI_SIZE ; + + for (i = 0; i < CI_SIZE; ++ i) { + GammaRamp_R [i] = red [i] ; + GammaRamp_G [i] = green [i] ; + GammaRamp_B [i] = blue [i] ; + } + SDL_UpdateRect(this->screen, 0, 0, 0, 0); + + Dprintf ("leave NX_SetGammaRamp\n") ; + return 0 ; +} + +static int NX_GetGammaRamp (_THIS, Uint16 * ramp) +{ + int i ; + Uint16 * red, * green, * blue ; + + Dprintf ("enter NX_GetGammaRamp\n") ; + + if (SDL_Visual.bpp != 32 && SDL_Visual.bpp != 24) return -1 ; + red = ramp ; + green = ramp + CI_SIZE ; + blue = green + CI_SIZE ; + if (GammaRamp_R && GammaRamp_G && GammaRamp_B) { + for (i = 0; i < CI_SIZE; ++ i) { + red [i] = GammaRamp_R [i] ; + green [i] = GammaRamp_G [i] ; + blue [i] = GammaRamp_B [i] ; + } + } else { + for (i = 0; i < CI_SIZE; ++ i) + red [i] = green [i] = blue [i] = i ; + } + + Dprintf ("leave NX_GetGammaRamp\n") ; + return 0 ; +} |