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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/gem/SDL_gemvideo.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/gem/SDL_gemvideo.c1340
1 files changed, 0 insertions, 1340 deletions
diff --git a/distrib/sdl-1.2.12/src/video/gem/SDL_gemvideo.c b/distrib/sdl-1.2.12/src/video/gem/SDL_gemvideo.c
deleted file mode 100644
index 353e027..0000000
--- a/distrib/sdl-1.2.12/src/video/gem/SDL_gemvideo.c
+++ /dev/null
@@ -1,1340 +0,0 @@
-/*
- 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