--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/video/gem/SDL_gemvideo.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1340 @@
+/*
+ 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