| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2006 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* |
| GEM video driver |
| |
| Patrice Mandin |
| and work from |
| Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard |
| */ |
| |
| /* Mint includes */ |
| #include <gem.h> |
| #include <gemx.h> |
| #include <mint/osbind.h> |
| #include <mint/cookie.h> |
| |
| #include "SDL_endian.h" |
| #include "SDL_video.h" |
| #include "SDL_mouse.h" |
| #include "../SDL_sysvideo.h" |
| #include "../SDL_pixels_c.h" |
| #include "../../events/SDL_events_c.h" |
| #include "../SDL_cursor_c.h" |
| |
| #include "../ataricommon/SDL_ataric2p_s.h" |
| #include "../ataricommon/SDL_atarieddi_s.h" |
| #include "../ataricommon/SDL_atarimxalloc_c.h" |
| #include "../ataricommon/SDL_atarigl_c.h" |
| |
| #include "SDL_gemvideo.h" |
| #include "SDL_gemevents_c.h" |
| #include "SDL_gemmouse_c.h" |
| #include "SDL_gemwm_c.h" |
| #include "../ataricommon/SDL_xbiosevents_c.h" |
| #include "../ataricommon/SDL_ataridevmouse_c.h" |
| |
| /* Defines */ |
| |
| /*#define DEBUG_VIDEO_GEM 1*/ |
| |
| #define GEM_VID_DRIVER_NAME "gem" |
| |
| #undef MIN |
| #define MIN(a,b) (((a)<(b)) ? (a) : (b)) |
| #undef MAX |
| #define MAX(a,b) (((a)>(b)) ? (a) : (b)) |
| |
| /* Variables */ |
| |
| static unsigned char vdi_index[256] = { |
| 0, 2, 3, 6, 4, 7, 5, 8, |
| 9, 10, 11, 14, 12, 15, 13, 255 |
| }; |
| |
| static const unsigned char empty_name[]=""; |
| |
| /* Initialization/Query functions */ |
| static int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| static SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| static SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| static void GEM_VideoQuit(_THIS); |
| |
| /* Hardware surface functions */ |
| static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface); |
| static int GEM_LockHWSurface(_THIS, SDL_Surface *surface); |
| static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface); |
| static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface); |
| static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects); |
| #if 0 |
| static int GEM_ToggleFullScreen(_THIS, int on); |
| #endif |
| |
| /* Internal functions */ |
| static void GEM_FreeBuffers(_THIS); |
| static void GEM_ClearScreen(_THIS); |
| static void GEM_ClearRect(_THIS, short *rect); |
| static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]); |
| static void GEM_LockScreen(_THIS); |
| static void GEM_UnlockScreen(_THIS); |
| static void refresh_window(_THIS, int winhandle, short *rect); |
| |
| #if SDL_VIDEO_OPENGL |
| /* OpenGL functions */ |
| static void GEM_GL_SwapBuffers(_THIS); |
| #endif |
| |
| /* GEM driver bootstrap functions */ |
| |
| static int GEM_Available(void) |
| { |
| /* Test if AES available */ |
| if (appl_init() == -1) |
| return 0; |
| |
| appl_exit(); |
| return 1; |
| } |
| |
| static void GEM_DeleteDevice(SDL_VideoDevice *device) |
| { |
| SDL_free(device->hidden); |
| SDL_free(device); |
| } |
| |
| static SDL_VideoDevice *GEM_CreateDevice(int devindex) |
| { |
| SDL_VideoDevice *device; |
| int vectors_mask; |
| unsigned long dummy; |
| |
| /* 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 = (struct SDL_PrivateGLData *) |
| SDL_malloc((sizeof *device->gl_data)); |
| } |
| if ( (device == NULL) || (device->hidden == NULL) ) { |
| SDL_OutOfMemory(); |
| if ( device ) { |
| SDL_free(device); |
| } |
| return(0); |
| } |
| SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| SDL_memset(device->gl_data, 0, sizeof(*device->gl_data)); |
| |
| /* Set the function pointers */ |
| device->VideoInit = GEM_VideoInit; |
| device->ListModes = GEM_ListModes; |
| device->SetVideoMode = GEM_SetVideoMode; |
| device->SetColors = GEM_SetColors; |
| device->UpdateRects = NULL /*GEM_UpdateRects*/; |
| device->VideoQuit = GEM_VideoQuit; |
| device->AllocHWSurface = GEM_AllocHWSurface; |
| device->LockHWSurface = GEM_LockHWSurface; |
| device->UnlockHWSurface = GEM_UnlockHWSurface; |
| device->FlipHWSurface = GEM_FlipHWSurface; |
| device->FreeHWSurface = GEM_FreeHWSurface; |
| device->ToggleFullScreen = NULL /*GEM_ToggleFullScreen*/; |
| |
| /* Window manager */ |
| device->SetCaption = GEM_SetCaption; |
| device->SetIcon = GEM_SetIcon; |
| device->IconifyWindow = GEM_IconifyWindow; |
| device->GrabInput = GEM_GrabInput; |
| |
| /* Events */ |
| device->InitOSKeymap = GEM_InitOSKeymap; |
| device->PumpEvents = GEM_PumpEvents; |
| |
| /* Mouse */ |
| device->FreeWMCursor = GEM_FreeWMCursor; |
| device->CreateWMCursor = GEM_CreateWMCursor; |
| device->ShowWMCursor = GEM_ShowWMCursor; |
| device->WarpWMCursor = NULL /*GEM_WarpWMCursor*/; |
| device->CheckMouseMode = GEM_CheckMouseMode; |
| |
| #if SDL_VIDEO_OPENGL |
| /* OpenGL functions */ |
| device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary; |
| device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress; |
| device->GL_GetAttribute = SDL_AtariGL_GetAttribute; |
| device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent; |
| device->GL_SwapBuffers = GEM_GL_SwapBuffers; |
| #endif |
| |
| device->hidden->use_dev_mouse = |
| (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE; |
| |
| vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */ |
| if (!(device->hidden->use_dev_mouse)) { |
| vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */ |
| } |
| /* if (Getcookie(C_MiNT, &dummy)==C_FOUND) { |
| vectors_mask = 0; |
| }*/ |
| |
| SDL_AtariXbios_InstallVectors(vectors_mask); |
| |
| device->free = GEM_DeleteDevice; |
| |
| return device; |
| } |
| |
| VideoBootStrap GEM_bootstrap = { |
| GEM_VID_DRIVER_NAME, "Atari GEM video driver", |
| GEM_Available, GEM_CreateDevice |
| }; |
| |
| static void VDI_ReadExtInfo(_THIS, short *work_out) |
| { |
| unsigned long EdDI_version; |
| unsigned long cookie_EdDI; |
| Uint32 num_colours; |
| Uint16 clut_type, num_bits; |
| |
| /* Read EdDI informations */ |
| if (Getcookie(C_EdDI, &cookie_EdDI) == C_NOTFOUND) { |
| return; |
| } |
| |
| EdDI_version = Atari_get_EdDI_version( (void *)cookie_EdDI); |
| |
| vq_scrninfo(VDI_handle, work_out); |
| |
| VDI_format = work_out[0]; |
| clut_type = work_out[1]; |
| num_bits = work_out[2]; |
| num_colours = *((Uint32 *) &work_out[3]); |
| |
| /* With EdDI>=1.1, we can have screen pitch, address and format |
| * so we can directly write to screen without using vro_cpyfm |
| */ |
| if (EdDI_version >= EDDI_11) { |
| VDI_pitch = work_out[5]; |
| VDI_screen = (void *) *((unsigned long *) &work_out[6]); |
| } |
| |
| switch(clut_type) { |
| case VDI_CLUT_HARDWARE: |
| { |
| int i; |
| Uint16 *tmp_p; |
| |
| tmp_p = (Uint16 *)&work_out[16]; |
| |
| for (i=0;i<256;i++) { |
| vdi_index[*tmp_p++] = i; |
| } |
| } |
| break; |
| case VDI_CLUT_SOFTWARE: |
| { |
| int component; /* red, green, blue, alpha, overlay */ |
| int num_bit; |
| unsigned short *tmp_p; |
| |
| /* We can build masks with info here */ |
| tmp_p = (unsigned short *) &work_out[16]; |
| for (component=0;component<5;component++) { |
| for (num_bit=0;num_bit<16;num_bit++) { |
| unsigned short valeur; |
| |
| valeur = *tmp_p++; |
| |
| if (valeur == 0xffff) { |
| continue; |
| } |
| |
| switch(component) { |
| case 0: |
| VDI_redmask |= 1<< valeur; |
| break; |
| case 1: |
| VDI_greenmask |= 1<< valeur; |
| break; |
| case 2: |
| VDI_bluemask |= 1<< valeur; |
| break; |
| case 3: |
| VDI_alphamask |= 1<< valeur; |
| break; |
| } |
| } |
| } |
| } |
| |
| /* Remove lower green bits for Intel endian screen */ |
| if ((VDI_greenmask == ((7<<13)|3)) || (VDI_greenmask == ((7<<13)|7))) { |
| VDI_greenmask &= ~(7<<13); |
| } |
| break; |
| case VDI_CLUT_NONE: |
| break; |
| } |
| } |
| |
| int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| { |
| int i, menubar_size; |
| short work_in[12], work_out[272], dummy; |
| |
| /* Open AES (Application Environment Services) */ |
| if (appl_init() == -1) { |
| fprintf(stderr,"Can not open AES\n"); |
| return 1; |
| } |
| |
| /* Read version and features */ |
| GEM_version = aes_global[0]; |
| if (GEM_version >= 0x0410) { |
| short ap_gout[4], errorcode; |
| |
| GEM_wfeatures=0; |
| errorcode=appl_getinfo(AES_WINDOW, &ap_gout[0], &ap_gout[1], &ap_gout[2], &ap_gout[3]); |
| |
| if (errorcode==0) { |
| GEM_wfeatures=ap_gout[0]; |
| } |
| } |
| |
| /* Ask VDI physical workstation handle opened by AES */ |
| VDI_handle = graf_handle(&dummy, &dummy, &dummy, &dummy); |
| if (VDI_handle<1) { |
| fprintf(stderr,"Wrong VDI handle %d returned by AES\n",VDI_handle); |
| return 1; |
| } |
| |
| /* Open virtual VDI workstation */ |
| work_in[0]=Getrez()+2; |
| for(i = 1; i < 10; i++) |
| work_in[i] = 1; |
| work_in[10] = 2; |
| |
| v_opnvwk(work_in, &VDI_handle, work_out); |
| if (VDI_handle == 0) { |
| fprintf(stderr,"Can not open VDI virtual workstation\n"); |
| return 1; |
| } |
| |
| /* Read fullscreen size */ |
| VDI_w = work_out[0] + 1; |
| VDI_h = work_out[1] + 1; |
| |
| /* Read desktop size and position */ |
| if (!wind_get(DESKTOP_HANDLE, WF_WORKXYWH, &GEM_desk_x, &GEM_desk_y, &GEM_desk_w, &GEM_desk_h)) { |
| fprintf(stderr,"Can not read desktop properties\n"); |
| return 1; |
| } |
| |
| /* Read bit depth */ |
| vq_extnd(VDI_handle, 1, work_out); |
| VDI_bpp = work_out[4]; |
| VDI_oldnumcolors=0; |
| |
| switch(VDI_bpp) { |
| case 8: |
| VDI_pixelsize=1; |
| break; |
| case 15: |
| case 16: |
| VDI_pixelsize=2; |
| break; |
| case 24: |
| VDI_pixelsize=3; |
| break; |
| case 32: |
| VDI_pixelsize=4; |
| break; |
| default: |
| fprintf(stderr,"%d bits colour depth not supported\n",VDI_bpp); |
| return 1; |
| } |
| |
| /* Setup hardware -> VDI palette mapping */ |
| for(i = 16; i < 255; i++) { |
| vdi_index[i] = i; |
| } |
| vdi_index[255] = 1; |
| |
| /* Save current palette */ |
| if (VDI_bpp>8) { |
| VDI_oldnumcolors=1<<8; |
| } else { |
| VDI_oldnumcolors=1<<VDI_bpp; |
| } |
| |
| for(i = 0; i < VDI_oldnumcolors; i++) { |
| short rgb[3]; |
| |
| vq_color(VDI_handle, i, 0, rgb); |
| |
| VDI_oldpalette[i][0] = rgb[0]; |
| VDI_oldpalette[i][1] = rgb[1]; |
| VDI_oldpalette[i][2] = rgb[2]; |
| } |
| VDI_setpalette = GEM_SetNewPalette; |
| SDL_memcpy(VDI_curpalette,VDI_oldpalette,sizeof(VDI_curpalette)); |
| |
| /* Setup screen info */ |
| GEM_title_name = empty_name; |
| GEM_icon_name = empty_name; |
| |
| GEM_handle = -1; |
| GEM_locked = SDL_FALSE; |
| GEM_win_fulled = SDL_FALSE; |
| GEM_fullscreen = SDL_FALSE; |
| GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers are setup */ |
| |
| VDI_screen = NULL; |
| VDI_pitch = VDI_w * VDI_pixelsize; |
| VDI_format = ( (VDI_bpp <= 8) ? VDI_FORMAT_INTER : VDI_FORMAT_PACK); |
| VDI_redmask = VDI_greenmask = VDI_bluemask = VDI_alphamask = 0; |
| VDI_ReadExtInfo(this, work_out); |
| |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: screen: address=0x%08x, pitch=%d\n", VDI_screen, VDI_pitch); |
| printf("sdl:video:gem: format=%d\n", VDI_format); |
| printf("sdl:video:gem: masks: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", |
| VDI_alphamask, VDI_redmask, VDI_greenmask, VDI_bluemask |
| ); |
| #endif |
| |
| /* Setup destination mfdb */ |
| VDI_dst_mfdb.fd_addr = NULL; |
| |
| /* Determine the current screen size */ |
| this->info.current_w = VDI_w; |
| this->info.current_h = VDI_h; |
| |
| /* Determine the screen depth */ |
| /* we change this during the SDL_SetVideoMode implementation... */ |
| vformat->BitsPerPixel = VDI_bpp; |
| |
| /* Set mouse cursor to arrow */ |
| graf_mouse(ARROW, NULL); |
| GEM_cursor = NULL; |
| |
| /* Init chunky to planar routine */ |
| SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; |
| |
| /* Setup VDI fill functions */ |
| vsf_color(VDI_handle,0); |
| vsf_interior(VDI_handle,1); |
| vsf_perimeter(VDI_handle,0); |
| |
| /* Menu bar save buffer */ |
| menubar_size = GEM_desk_w * GEM_desk_y * VDI_pixelsize; |
| GEM_menubar=Atari_SysMalloc(menubar_size,MX_PREFTTRAM); |
| |
| /* Fill video modes list */ |
| SDL_modelist[0] = SDL_malloc(sizeof(SDL_Rect)); |
| SDL_modelist[0]->x = 0; |
| SDL_modelist[0]->y = 0; |
| SDL_modelist[0]->w = VDI_w; |
| SDL_modelist[0]->h = VDI_h; |
| |
| SDL_modelist[1] = NULL; |
| |
| #if SDL_VIDEO_OPENGL |
| SDL_AtariGL_InitPointers(this); |
| #endif |
| |
| this->info.wm_available = 1; |
| |
| /* We're done! */ |
| return(0); |
| } |
| |
| SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| { |
| if (format->BitsPerPixel != VDI_bpp) { |
| return ((SDL_Rect **)NULL); |
| } |
| |
| if (flags & SDL_FULLSCREEN) { |
| return (SDL_modelist); |
| } |
| |
| return((SDL_Rect **)-1); |
| } |
| |
| static void GEM_FreeBuffers(_THIS) |
| { |
| /* Release buffer */ |
| if ( GEM_buffer2 ) { |
| Mfree( GEM_buffer2 ); |
| GEM_buffer2=NULL; |
| } |
| |
| if ( GEM_buffer1 ) { |
| Mfree( GEM_buffer1 ); |
| GEM_buffer1=NULL; |
| } |
| } |
| |
| static void GEM_ClearRect(_THIS, short *rect) |
| { |
| short oldrgb[3], rgb[3]={0,0,0}; |
| |
| vq_color(VDI_handle, vdi_index[0], 0, oldrgb); |
| vs_color(VDI_handle, vdi_index[0], rgb); |
| |
| vsf_color(VDI_handle,0); |
| vsf_interior(VDI_handle,1); |
| vsf_perimeter(VDI_handle,0); |
| v_bar(VDI_handle, rect); |
| |
| vs_color(VDI_handle, vdi_index[0], oldrgb); |
| } |
| |
| static void GEM_ClearScreen(_THIS) |
| { |
| short pxy[4]; |
| |
| v_hide_c(VDI_handle); |
| |
| pxy[0] = pxy[1] = 0; |
| pxy[2] = VDI_w - 1; |
| pxy[3] = VDI_h - 1; |
| GEM_ClearRect(this, pxy); |
| |
| v_show_c(VDI_handle, 1); |
| } |
| |
| static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]) |
| { |
| int i; |
| short rgb[3]; |
| |
| if (VDI_oldnumcolors==0) |
| return; |
| |
| for(i = 0; i < VDI_oldnumcolors; i++) { |
| rgb[0] = newpal[i][0]; |
| rgb[1] = newpal[i][1]; |
| rgb[2] = newpal[i][2]; |
| |
| vs_color(VDI_handle, i, rgb); |
| } |
| } |
| |
| static void GEM_LockScreen(_THIS) |
| { |
| if (!GEM_locked) { |
| /* Lock AES */ |
| wind_update(BEG_UPDATE); |
| wind_update(BEG_MCTRL); |
| /* Reserve memory space, used to be sure of compatibility */ |
| form_dial( FMD_START, 0,0,0,0, 0,0,VDI_w,VDI_h); |
| |
| /* Save menu bar */ |
| if (GEM_menubar) { |
| MFDB mfdb_src; |
| short blitcoords[8]; |
| |
| mfdb_src.fd_addr=GEM_menubar; |
| mfdb_src.fd_w=GEM_desk_w; |
| mfdb_src.fd_h=GEM_desk_y; |
| mfdb_src.fd_wdwidth=GEM_desk_w>>4; |
| mfdb_src.fd_nplanes=VDI_bpp; |
| mfdb_src.fd_stand= |
| mfdb_src.fd_r1= |
| mfdb_src.fd_r2= |
| mfdb_src.fd_r3= 0; |
| |
| blitcoords[0] = blitcoords[4] = 0; |
| blitcoords[1] = blitcoords[5] = 0; |
| blitcoords[2] = blitcoords[6] = GEM_desk_w-1; |
| blitcoords[3] = blitcoords[7] = GEM_desk_y-1; |
| |
| vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &VDI_dst_mfdb, &mfdb_src); |
| } |
| |
| GEM_locked=SDL_TRUE; |
| } |
| } |
| |
| static void GEM_UnlockScreen(_THIS) |
| { |
| if (GEM_locked) { |
| /* Restore menu bar */ |
| if (GEM_menubar) { |
| MFDB mfdb_src; |
| short blitcoords[8]; |
| |
| mfdb_src.fd_addr=GEM_menubar; |
| mfdb_src.fd_w=GEM_desk_w; |
| mfdb_src.fd_h=GEM_desk_y; |
| mfdb_src.fd_wdwidth=GEM_desk_w>>4; |
| mfdb_src.fd_nplanes=VDI_bpp; |
| mfdb_src.fd_stand= |
| mfdb_src.fd_r1= |
| mfdb_src.fd_r2= |
| mfdb_src.fd_r3= 0; |
| |
| blitcoords[0] = blitcoords[4] = 0; |
| blitcoords[1] = blitcoords[5] = 0; |
| blitcoords[2] = blitcoords[6] = GEM_desk_w-1; |
| blitcoords[3] = blitcoords[7] = GEM_desk_y-1; |
| |
| vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); |
| } |
| |
| /* Restore screen memory, and send REDRAW to all apps */ |
| form_dial( FMD_FINISH, 0,0,0,0, 0,0,VDI_w,VDI_h); |
| /* Unlock AES */ |
| wind_update(END_MCTRL); |
| wind_update(END_UPDATE); |
| |
| GEM_locked=SDL_FALSE; |
| } |
| } |
| |
| SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, |
| int width, int height, int bpp, Uint32 flags) |
| { |
| Uint32 modeflags, screensize; |
| SDL_bool use_shadow1, use_shadow2; |
| |
| /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */ |
| if ((width & 15) != 0) { |
| width = (width | 15) +1; |
| } |
| |
| /*--- Verify if asked mode can be used ---*/ |
| if (VDI_bpp != bpp) { |
| SDL_SetError("%d bpp mode not supported", bpp); |
| return(NULL); |
| } |
| |
| if (flags & SDL_FULLSCREEN) { |
| if ((VDI_w < width) || (VDI_h < height)) { |
| SDL_SetError("%dx%d mode is too large", width, height); |
| return(NULL); |
| } |
| } |
| |
| /*--- Allocate the new pixel format for the screen ---*/ |
| if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) { |
| SDL_SetError("Couldn't allocate new pixel format for requested mode"); |
| return(NULL); |
| } |
| |
| screensize = width * height * VDI_pixelsize; |
| |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: setvideomode(): %dx%dx%d = %d\n", width, height, bpp, screensize); |
| #endif |
| |
| /*--- Allocate shadow buffers if needed, and conversion operations ---*/ |
| GEM_FreeBuffers(this); |
| |
| GEM_bufops=0; |
| use_shadow1=use_shadow2=SDL_FALSE; |
| if (VDI_screen && (flags & SDL_FULLSCREEN)) { |
| if (VDI_format==VDI_FORMAT_INTER) { |
| use_shadow1=SDL_TRUE; |
| GEM_bufops = B2S_C2P_1TOS; |
| } |
| } else { |
| use_shadow1=SDL_TRUE; |
| if (VDI_format==VDI_FORMAT_PACK) { |
| GEM_bufops = B2S_VROCPYFM_1TOS; |
| } else { |
| use_shadow2=SDL_TRUE; |
| GEM_bufops = B2S_C2P_1TO2|B2S_VROCPYFM_2TOS; |
| } |
| } |
| |
| if (use_shadow1) { |
| GEM_buffer1 = Atari_SysMalloc(screensize, MX_PREFTTRAM); |
| if (GEM_buffer1==NULL) { |
| SDL_SetError("Can not allocate %d KB for frame buffer", screensize>>10); |
| return NULL; |
| } |
| SDL_memset(GEM_buffer1, 0, screensize); |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: setvideomode(): allocated buffer 1\n"); |
| #endif |
| } |
| |
| if (use_shadow2) { |
| GEM_buffer2 = Atari_SysMalloc(screensize, MX_PREFTTRAM); |
| if (GEM_buffer2==NULL) { |
| SDL_SetError("Can not allocate %d KB for shadow buffer", screensize>>10); |
| return NULL; |
| } |
| SDL_memset(GEM_buffer2, 0, screensize); |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: setvideomode(): allocated buffer 2\n"); |
| #endif |
| } |
| |
| /*--- Initialize screen ---*/ |
| modeflags = SDL_PREALLOC; |
| if (VDI_bpp == 8) { |
| modeflags |= SDL_HWPALETTE; |
| } |
| |
| if (flags & SDL_FULLSCREEN) { |
| GEM_LockScreen(this); |
| |
| GEM_ClearScreen(this); |
| |
| modeflags |= SDL_FULLSCREEN; |
| if (VDI_screen && (VDI_format==VDI_FORMAT_PACK) && !use_shadow1) { |
| modeflags |= SDL_HWSURFACE; |
| } else { |
| modeflags |= SDL_SWSURFACE; |
| } |
| |
| GEM_fullscreen = SDL_TRUE; |
| } else { |
| int old_win_type; |
| short x2,y2,w2,h2; |
| |
| GEM_UnlockScreen(this); |
| |
| /* Set window gadgets */ |
| old_win_type = GEM_win_type; |
| if (!(flags & SDL_NOFRAME)) { |
| GEM_win_type=NAME|MOVER|CLOSER|SMALLER; |
| if (flags & SDL_RESIZABLE) { |
| GEM_win_type |= FULLER|SIZER; |
| modeflags |= SDL_RESIZABLE; |
| } |
| } else { |
| GEM_win_type=0; |
| modeflags |= SDL_NOFRAME; |
| } |
| modeflags |= SDL_SWSURFACE; |
| |
| /* Recreate window ? only for different widget or non-created window */ |
| if ((old_win_type != GEM_win_type) || (GEM_handle < 0)) { |
| /* Calculate window size */ |
| if (!wind_calc(WC_BORDER, GEM_win_type, 0,0,width,height, &x2,&y2,&w2,&h2)) { |
| GEM_FreeBuffers(this); |
| SDL_SetError("Can not calculate window attributes"); |
| return NULL; |
| } |
| |
| /* Center window */ |
| x2 = (GEM_desk_w-w2)>>1; |
| y2 = (GEM_desk_h-h2)>>1; |
| if (x2<0) { |
| x2 = 0; |
| } |
| if (y2<0) { |
| y2 = 0; |
| } |
| x2 += GEM_desk_x; |
| y2 += GEM_desk_y; |
| |
| /* Destroy existing window */ |
| if (GEM_handle >= 0) { |
| wind_close(GEM_handle); |
| wind_delete(GEM_handle); |
| } |
| |
| /* Create window */ |
| GEM_handle=wind_create(GEM_win_type, x2,y2,w2,h2); |
| if (GEM_handle<0) { |
| GEM_FreeBuffers(this); |
| SDL_SetError("Can not create window"); |
| return NULL; |
| } |
| |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: handle=%d\n", GEM_handle); |
| #endif |
| |
| /* Setup window name */ |
| wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0); |
| GEM_refresh_name = SDL_FALSE; |
| |
| /* Open the window */ |
| wind_open(GEM_handle,x2,y2,w2,h2); |
| } else { |
| /* Resize window to fit asked video mode */ |
| wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2); |
| if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width,height, &x2,&y2,&w2,&h2)) { |
| wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2); |
| } |
| } |
| |
| GEM_fullscreen = SDL_FALSE; |
| } |
| |
| /* Set up the new mode framebuffer */ |
| current->w = width; |
| current->h = height; |
| if (use_shadow1) { |
| current->pixels = GEM_buffer1; |
| current->pitch = width * VDI_pixelsize; |
| } else { |
| current->pixels = VDI_screen; |
| current->pitch = VDI_pitch; |
| } |
| |
| #if SDL_VIDEO_OPENGL |
| if (flags & SDL_OPENGL) { |
| if (!SDL_AtariGL_Init(this, current)) { |
| GEM_FreeBuffers(this); |
| SDL_SetError("Can not create OpenGL context"); |
| return NULL; |
| } |
| |
| modeflags |= SDL_OPENGL; |
| } |
| #endif |
| |
| current->flags = modeflags; |
| |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: surface: %dx%d\n", current->w, current->h); |
| #endif |
| |
| this->UpdateRects = GEM_UpdateRects; |
| GEM_lock_redraw = SDL_FALSE; /* Enable redraw */ |
| |
| /* We're done */ |
| return(current); |
| } |
| |
| static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return -1; |
| } |
| |
| static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return; |
| } |
| |
| static int GEM_LockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return(0); |
| } |
| |
| static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return; |
| } |
| |
| static void GEM_UpdateRectsFullscreen(_THIS, int numrects, SDL_Rect *rects) |
| { |
| SDL_Surface *surface; |
| int i, surf_width; |
| |
| surface = this->screen; |
| /* Need to be a multiple of 16 pixels */ |
| surf_width=surface->w; |
| if ((surf_width & 15) != 0) { |
| surf_width = (surf_width | 15) + 1; |
| } |
| |
| if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) { |
| void *destscr; |
| int destpitch; |
| |
| if (GEM_bufops & B2S_C2P_1TOS) { |
| destscr = VDI_screen; |
| destpitch = VDI_pitch; |
| } else { |
| destscr = GEM_buffer2; |
| destpitch = surface->pitch; |
| } |
| |
| for (i=0;i<numrects;i++) { |
| void *source,*destination; |
| int x1,x2; |
| |
| x1 = rects[i].x & ~15; |
| x2 = rects[i].x+rects[i].w; |
| if (x2 & 15) { |
| x2 = (x2 | 15) +1; |
| } |
| |
| source = surface->pixels; |
| source += surface->pitch * rects[i].y; |
| source += x1; |
| |
| destination = destscr; |
| destination += destpitch * rects[i].y; |
| destination += x1; |
| |
| SDL_Atari_C2pConvert( |
| source, destination, |
| x2-x1, rects[i].h, |
| SDL_FALSE, |
| surface->pitch, destpitch |
| ); |
| } |
| } |
| |
| if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) { |
| MFDB mfdb_src; |
| short blitcoords[8]; |
| |
| mfdb_src.fd_addr=surface->pixels; |
| mfdb_src.fd_w=surf_width; |
| mfdb_src.fd_h=surface->h; |
| mfdb_src.fd_wdwidth= (surface->pitch/VDI_pixelsize) >> 4; |
| mfdb_src.fd_nplanes=surface->format->BitsPerPixel; |
| mfdb_src.fd_stand= |
| mfdb_src.fd_r1= |
| mfdb_src.fd_r2= |
| mfdb_src.fd_r3= 0; |
| if (GEM_bufops & B2S_VROCPYFM_2TOS) { |
| mfdb_src.fd_addr=GEM_buffer2; |
| } |
| |
| for ( i=0; i<numrects; ++i ) { |
| blitcoords[0] = blitcoords[4] = rects[i].x; |
| blitcoords[1] = blitcoords[5] = rects[i].y; |
| blitcoords[2] = blitcoords[6] = rects[i].x + rects[i].w - 1; |
| blitcoords[3] = blitcoords[7] = rects[i].y + rects[i].h - 1; |
| |
| vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); |
| } |
| } |
| } |
| |
| static void GEM_UpdateRectsWindowed(_THIS, int numrects, SDL_Rect *rects) |
| { |
| short pxy[4], wind_pxy[4]; |
| int i; |
| |
| if (wind_get(GEM_handle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) { |
| return; |
| } |
| |
| for ( i=0; i<numrects; ++i ) { |
| pxy[0] = wind_pxy[0] + rects[i].x; |
| pxy[1] = wind_pxy[1] + rects[i].y; |
| pxy[2] = rects[i].w; |
| pxy[3] = rects[i].h; |
| |
| GEM_wind_redraw(this, GEM_handle, pxy); |
| } |
| } |
| |
| static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects) |
| { |
| SDL_Surface *surface; |
| |
| if (GEM_lock_redraw) { |
| return; |
| } |
| |
| surface = this->screen; |
| |
| if (surface->flags & SDL_FULLSCREEN) { |
| GEM_UpdateRectsFullscreen(this, numrects, rects); |
| } else { |
| GEM_UpdateRectsWindowed(this, numrects, rects); |
| } |
| } |
| |
| static int GEM_FlipHWSurfaceFullscreen(_THIS, SDL_Surface *surface) |
| { |
| int surf_width; |
| |
| /* Need to be a multiple of 16 pixels */ |
| surf_width=surface->w; |
| if ((surf_width & 15) != 0) { |
| surf_width = (surf_width | 15) + 1; |
| } |
| |
| if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) { |
| void *destscr; |
| int destpitch; |
| |
| if (GEM_bufops & B2S_C2P_1TOS) { |
| destscr = VDI_screen; |
| destpitch = VDI_pitch; |
| } else { |
| destscr = GEM_buffer2; |
| destpitch = surface->pitch; |
| } |
| |
| SDL_Atari_C2pConvert( |
| surface->pixels, destscr, |
| surf_width, surface->h, |
| SDL_FALSE, |
| surface->pitch, destpitch |
| ); |
| } |
| |
| if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) { |
| MFDB mfdb_src; |
| short blitcoords[8]; |
| |
| mfdb_src.fd_w=surf_width; |
| mfdb_src.fd_h=surface->h; |
| mfdb_src.fd_wdwidth=mfdb_src.fd_w >> 4; |
| mfdb_src.fd_nplanes=surface->format->BitsPerPixel; |
| mfdb_src.fd_stand= |
| mfdb_src.fd_r1= |
| mfdb_src.fd_r2= |
| mfdb_src.fd_r3= 0; |
| if (GEM_bufops & B2S_VROCPYFM_1TOS) { |
| mfdb_src.fd_addr=surface->pixels; |
| } else { |
| mfdb_src.fd_addr=GEM_buffer2; |
| } |
| |
| blitcoords[0] = blitcoords[4] = 0; |
| blitcoords[1] = blitcoords[5] = 0; |
| blitcoords[2] = blitcoords[6] = surface->w - 1; |
| blitcoords[3] = blitcoords[7] = surface->h - 1; |
| |
| vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); |
| } |
| |
| return(0); |
| } |
| |
| static int GEM_FlipHWSurfaceWindowed(_THIS, SDL_Surface *surface) |
| { |
| short pxy[8]; |
| |
| /* Update the whole window */ |
| wind_get(GEM_handle, WF_WORKXYWH, &pxy[0], &pxy[1], &pxy[2], &pxy[3]); |
| |
| GEM_wind_redraw(this, GEM_handle, pxy); |
| |
| return(0); |
| } |
| |
| static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface) |
| { |
| if (GEM_lock_redraw) { |
| return(0); |
| } |
| |
| if (surface->flags & SDL_FULLSCREEN) { |
| return GEM_FlipHWSurfaceFullscreen(this, surface); |
| } else { |
| return GEM_FlipHWSurfaceWindowed(this, surface); |
| } |
| } |
| |
| static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| { |
| int i; |
| SDL_Surface *surface; |
| |
| #ifdef DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: setcolors()\n"); |
| #endif |
| |
| /* Do not change palette in True Colour */ |
| surface = this->screen; |
| if (surface->format->BitsPerPixel > 8) { |
| return 1; |
| } |
| |
| for(i = 0; i < ncolors; i++) |
| { |
| int r, g, b; |
| short rgb[3]; |
| |
| r = colors[i].r; |
| g = colors[i].g; |
| b = colors[i].b; |
| |
| rgb[0] = VDI_curpalette[i][0] = (1000 * r) / 255; |
| rgb[1] = VDI_curpalette[i][1] =(1000 * g) / 255; |
| rgb[2] = VDI_curpalette[i][2] =(1000 * b) / 255; |
| |
| vs_color(VDI_handle, vdi_index[firstcolor+i], rgb); |
| } |
| |
| return(1); |
| } |
| |
| #if 0 |
| static int GEM_ToggleFullScreen(_THIS, int on) |
| { |
| if (on) { |
| GEM_LockScreen(this); |
| } else { |
| GEM_UnlockScreen(this); |
| } |
| |
| return(1); |
| } |
| #endif |
| |
| /* Note: If we are terminated, this could be called in the middle of |
| another SDL video routine -- notably UpdateRects. |
| */ |
| void GEM_VideoQuit(_THIS) |
| { |
| SDL_AtariXbios_RestoreVectors(); |
| if (GEM_usedevmouse) { |
| SDL_AtariDevMouse_Close(); |
| } |
| |
| GEM_FreeBuffers(this); |
| |
| #if SDL_VIDEO_OPENGL |
| if (gl_active) { |
| SDL_AtariGL_Quit(this, SDL_TRUE); |
| } |
| #endif |
| |
| /* Destroy window */ |
| if (GEM_handle>=0) { |
| wind_close(GEM_handle); |
| wind_delete(GEM_handle); |
| GEM_handle=-1; |
| } |
| |
| GEM_UnlockScreen(this); |
| if (GEM_menubar) { |
| Mfree(GEM_menubar); |
| GEM_menubar=NULL; |
| } |
| |
| appl_exit(); |
| |
| GEM_SetNewPalette(this, VDI_oldpalette); |
| |
| /* Close VDI workstation */ |
| if (VDI_handle) { |
| v_clsvwk(VDI_handle); |
| } |
| |
| /* Free mode list */ |
| if (SDL_modelist[0]) { |
| SDL_free(SDL_modelist[0]); |
| SDL_modelist[0]=NULL; |
| } |
| |
| this->screen->pixels = NULL; |
| } |
| |
| void GEM_wind_redraw(_THIS, int winhandle, short *inside) |
| { |
| short todo[4]; |
| |
| /* Tell AES we are going to update */ |
| wind_update(BEG_UPDATE); |
| |
| v_hide_c(VDI_handle); |
| |
| /* Browse the rectangle list to redraw */ |
| if (wind_get(winhandle, WF_FIRSTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])!=0) { |
| |
| while (todo[2] && todo[3]) { |
| |
| if (rc_intersect((GRECT *)inside,(GRECT *)todo)) { |
| todo[2] += todo[0]-1; |
| todo[3] += todo[1]-1; |
| refresh_window(this, winhandle, todo); |
| } |
| |
| if (wind_get(winhandle, WF_NEXTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])==0) { |
| break; |
| } |
| } |
| |
| } |
| |
| /* Update finished */ |
| wind_update(END_UPDATE); |
| |
| v_show_c(VDI_handle,1); |
| } |
| |
| static void refresh_window(_THIS, int winhandle, short *rect) |
| { |
| MFDB mfdb_src; |
| short pxy[8],wind_pxy[8]; |
| SDL_Surface *surface; |
| int iconified; |
| |
| /* Is window iconified ? */ |
| iconified = 0; |
| /* if (GEM_wfeatures & (1<<WF_ICONIFY))*/ { |
| if (wind_get(winhandle, WF_ICONIFY, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])!=0) { |
| iconified = wind_pxy[0]; |
| } |
| } |
| |
| if (wind_get(winhandle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) { |
| return; |
| } |
| |
| if (iconified && GEM_icon) { |
| short icon_rect[4], dst_rect[4]; |
| short iconx,icony; |
| |
| surface = GEM_icon; |
| |
| GEM_ClearRect(this, rect); |
| |
| /* Calculate centered icon(x,y,w,h) relative to window */ |
| iconx = (wind_pxy[2]-surface->w)>>1; |
| icony = (wind_pxy[3]-surface->h)>>1; |
| |
| icon_rect[0] = iconx; |
| icon_rect[1] = icony; |
| icon_rect[2] = surface->w; |
| icon_rect[3] = surface->h; |
| |
| /* Calculate redraw rectangle(x,y,w,h) relative to window */ |
| dst_rect[0] = rect[0]-wind_pxy[0]; |
| dst_rect[1] = rect[1]-wind_pxy[1]; |
| dst_rect[2] = rect[2]-rect[0]+1; |
| dst_rect[3] = rect[3]-rect[1]+1; |
| |
| /* Does the icon rectangle must be redrawn ? */ |
| if (!rc_intersect((GRECT *)icon_rect, (GRECT *)dst_rect)) { |
| return; |
| } |
| |
| #if DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: clip(0,0,%d,%d) to (%d,%d,%d,%d)\n", |
| surface->w-1,surface->h-1, dst_rect[0],dst_rect[1],dst_rect[2],dst_rect[3]); |
| printf("sdl:video:gem: icon(%d,%d,%d,%d)\n", |
| icon_rect[0], icon_rect[1], icon_rect[2], icon_rect[3]); |
| printf("sdl:video:gem: refresh_window(): draw icon\n"); |
| #endif |
| |
| /* Calculate icon(x1,y1,x2,y2) relative to screen */ |
| icon_rect[0] += wind_pxy[0]; |
| icon_rect[1] += wind_pxy[1]; |
| icon_rect[2] += icon_rect[0]-1; |
| icon_rect[3] += icon_rect[1]-1; |
| |
| /* Calculate intersection rectangle to redraw */ |
| pxy[4]=pxy[0]=MAX(icon_rect[0],rect[0]); |
| pxy[5]=pxy[1]=MAX(icon_rect[1],rect[1]); |
| pxy[6]=pxy[2]=MIN(icon_rect[2],rect[2]); |
| pxy[7]=pxy[3]=MIN(icon_rect[3],rect[3]); |
| |
| /* Calculate icon source image pos relative to window */ |
| pxy[0] -= wind_pxy[0]+iconx; |
| pxy[1] -= wind_pxy[1]+icony; |
| pxy[2] -= wind_pxy[0]+iconx; |
| pxy[3] -= wind_pxy[1]+icony; |
| |
| } else { |
| surface = this->screen; |
| |
| #if DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: refresh_window(): draw frame buffer\n"); |
| #endif |
| |
| /* Redraw all window content */ |
| pxy[0] = rect[0]-wind_pxy[0]; |
| pxy[1] = rect[1]-wind_pxy[1]; |
| pxy[2] = rect[2]-wind_pxy[0]; |
| pxy[3] = rect[3]-wind_pxy[1]; |
| |
| pxy[4] = rect[0]; |
| pxy[5] = rect[1]; |
| pxy[6] = rect[2]; |
| pxy[7] = rect[3]; |
| } |
| |
| if (GEM_bufops & B2S_C2P_1TO2) { |
| void *src, *dest; |
| int x1,x2; |
| |
| x1 = (rect[0]-wind_pxy[0]) & ~15; |
| x2 = rect[2]-wind_pxy[0]; |
| if (x2 & 15) { |
| x2 = (x2 | 15) +1; |
| } |
| |
| src = surface->pixels; |
| src += surface->pitch * (rect[1]-wind_pxy[1]); |
| src += x1; |
| |
| dest = GEM_buffer2; |
| dest += surface->pitch * (rect[1]-wind_pxy[1]); |
| dest += x1; |
| |
| SDL_Atari_C2pConvert( |
| src, dest, |
| x2-x1, rect[3]-rect[1]+1, |
| SDL_FALSE, |
| surface->pitch, surface->pitch |
| ); |
| } |
| |
| mfdb_src.fd_addr=surface->pixels; |
| { |
| int width; |
| |
| /* Need to be a multiple of 16 pixels */ |
| width=surface->w; |
| if ((width & 15) != 0) { |
| width = (width | 15) + 1; |
| } |
| mfdb_src.fd_w=width; |
| } |
| mfdb_src.fd_h=surface->h; |
| mfdb_src.fd_nplanes=surface->format->BitsPerPixel; |
| mfdb_src.fd_wdwidth=mfdb_src.fd_w>>4; |
| mfdb_src.fd_stand= |
| mfdb_src.fd_r1= |
| mfdb_src.fd_r2= |
| mfdb_src.fd_r3= 0; |
| |
| if (GEM_bufops & B2S_VROCPYFM_2TOS) { |
| mfdb_src.fd_addr=GEM_buffer2; |
| } |
| |
| #if DEBUG_VIDEO_GEM |
| printf("sdl:video:gem: redraw %dx%d: (%d,%d,%d,%d) to (%d,%d,%d,%d)\n", |
| surface->w, surface->h, |
| pxy[0],pxy[1],pxy[2],pxy[3], |
| pxy[4],pxy[5],pxy[6],pxy[7] |
| ); |
| #endif |
| |
| vro_cpyfm( VDI_handle, S_ONLY, pxy, &mfdb_src, &VDI_dst_mfdb); |
| } |
| |
| #if SDL_VIDEO_OPENGL |
| |
| static void GEM_GL_SwapBuffers(_THIS) |
| { |
| SDL_AtariGL_SwapBuffers(this); |
| GEM_FlipHWSurface(this, this->screen); |
| } |
| |
| #endif |