pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
SDL-mirror/src/video/gem/SDL_gemvideo.c
Patrice Mandin e32e1fa965 Added preliminary support for MiNT /dev/mouse driver (disabled atm) 
--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401424
2006-02-23 21:51:10 +00:00

1339 lines
31 KiB
C
Raw Blame History

/*
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;
/* Update hardware info */
this->info.hw_available = 0;
this->info.video_mem = 0;
/* 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);
/* 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
/* 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)
{
int maxwidth, maxheight;
Uint32 modeflags, screensize;
SDL_bool use_shadow1, use_shadow2;
/*--- Verify if asked mode can be used ---*/
if (flags & SDL_FULLSCREEN) {
maxwidth=VDI_w;
maxheight=VDI_h;
} else {
/* Windowed mode */
maxwidth=GEM_desk_w;
maxheight=GEM_desk_h;
}
/* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */
if ((width & 15) != 0) {
width = (width | 15) +1;
}
if ((maxwidth < width) || (maxheight < height) || (VDI_bpp != bpp)) {
SDL_SetError("Couldn't find requested mode in list");
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_x+((GEM_desk_w-w2)>>1);
y2 = GEM_desk_y+((GEM_desk_h-h2)>>1);
/* 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 if needed, to fit asked video mode */
if (modeflags & SDL_RESIZABLE) {
wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2);
if ((w2&15)!=0) {
w2=(w2|15)+1;
}
if ((w2!=width) || (h2!=height)) {
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
Reference in a new issue View git blame Copy permalink