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ara-mdk / platform / external / qemu / 5b658a4b19c685bcde26551e408bd3991a8d6618 / . / distrib / sdl-1.2.12 / src / video / cybergfx / SDL_cgxvideo.c
blob: e3067464d738c56e977b3ccc031b6083e8d6931b [file] [log] [blame]
/*
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"
/*
* CGX based SDL video driver implementation by Gabriele Greco
* gabriele.greco@aruba.it
*/
#include "SDL_endian.h"
#include "SDL_timer.h"
#include "SDL_thread.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_cgxgl_c.h"
#include "SDL_cgxvideo.h"
#include "SDL_cgxwm_c.h"
#include "SDL_amigamouse_c.h"
#include "SDL_amigaevents_c.h"
#include "SDL_cgxmodes_c.h"
#include "SDL_cgximage_c.h"
/* Initialization/Query functions */
static int CGX_VideoInit(_THIS, SDL_PixelFormat *vformat);
static SDL_Surface *CGX_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
static int CGX_ToggleFullScreen(_THIS, int on);
static void CGX_UpdateMouse(_THIS);
static int CGX_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
static void CGX_VideoQuit(_THIS);
/* CGX driver bootstrap functions */
struct Library *CyberGfxBase=NULL;
struct IntuitionBase *IntuitionBase=NULL;
struct GfxBase *GfxBase=NULL;
int CGX_SetGamma(_THIS, float red, float green, float blue)
{
SDL_SetError("Gamma correction not supported");
return -1;
}
int CGX_GetGamma(_THIS, float red, float green, float blue)
{
SDL_SetError("Gamma correction not supported");
return -1;
}
int CGX_SetGammaRamp(_THIS, Uint16 *ramp)
{
#if 0
Int i, ncolors;
XColor xcmap[256];
/* See if actually setting the gamma is supported */
if ( SDL_Visual->class != DirectColor ) {
SDL_SetError("Gamma correction not supported on this visual");
return(-1);
}
/* Calculate the appropriate palette for the given gamma ramp */
ncolors = SDL_Visual->map_entries;
for ( i=0; i<ncolors; ++i ) {
Uint8 c = (256 * i / ncolors);
xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c);
xcmap[i].red = ramp[0*256+c];
xcmap[i].green = ramp[1*256+c];
xcmap[i].blue = ramp[2*256+c];
xcmap[i].flags = (DoRed|DoGreen|DoBlue);
}
XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors);
XSync(GFX_Display, False);
return(0);
#else
SDL_SetError("Gamma correction not supported on this visual");
return(-1);
#endif
}
static void DestroyScreen(_THIS)
{
if(currently_fullscreen)
{
if(this->hidden->dbuffer)
{
extern struct MsgPort *safeport,*dispport;
this->hidden->dbuffer=0;
if(safeport)
{
while(GetMsg(safeport)!=NULL);
DeleteMsgPort(safeport);
}
if(dispport)
{
while(GetMsg(dispport)!=NULL);
DeleteMsgPort(dispport);
}
this->hidden->SB[0]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=this->hidden->SB[0]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL;
this->hidden->SB[1]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=this->hidden->SB[1]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL;
if(this->hidden->SB[1])
FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
if(this->hidden->SB[0])
FreeScreenBuffer(SDL_Display,this->hidden->SB[0]);
this->hidden->SB[0]=this->hidden->SB[1]=NULL;
if(SDL_RastPort && SDL_RastPort != &SDL_Display->RastPort)
SDL_free(SDL_RastPort);
SDL_RastPort=NULL;
}
CloseScreen(GFX_Display);
currently_fullscreen=0;
}
else if(GFX_Display)
UnlockPubScreen(NULL,GFX_Display);
GFX_Display = NULL;
}
static int CGX_Available(void)
{
struct Library *l;
l = OpenLibrary("cybergraphics.library",0L);
if ( l != NULL ) {
D(bug("CGX video device AVAILABLE\n"));
CloseLibrary(l);
}
D(else bug("**CGX video device UNAVAILABLE\n"));
return(l != NULL);
}
static void CGX_DeleteDevice(SDL_VideoDevice *device)
{
if ( device ) {
if ( device->hidden ) {
SDL_free(device->hidden);
}
if ( device->gl_data ) {
SDL_free(device->gl_data);
}
SDL_free(device);
}
}
static SDL_VideoDevice *CGX_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
/* 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) ||
(device->gl_data == NULL) ) {
D(bug("Unable to create video device!\n"));
SDL_OutOfMemory();
CGX_DeleteDevice(device);
return(0);
}
SDL_memset(device->hidden, 0, sizeof(*device->hidden));
SDL_memset(device->gl_data, 0, sizeof(*device->gl_data));
/* Set the driver flags */
device->handles_any_size = 1;
/* Set the function pointers */
device->VideoInit = CGX_VideoInit;
device->ListModes = CGX_ListModes;
device->SetVideoMode = CGX_SetVideoMode;
device->ToggleFullScreen = CGX_ToggleFullScreen;
device->UpdateMouse = CGX_UpdateMouse;
device->SetColors = CGX_SetColors;
device->UpdateRects = NULL;
device->VideoQuit = CGX_VideoQuit;
device->AllocHWSurface = CGX_AllocHWSurface;
device->CheckHWBlit = CGX_CheckHWBlit;
device->FillHWRect = CGX_FillHWRect;
device->SetHWColorKey = CGX_SetHWColorKey;
device->SetHWAlpha = NULL;
device->LockHWSurface = CGX_LockHWSurface;
device->UnlockHWSurface = CGX_UnlockHWSurface;
device->FlipHWSurface = CGX_FlipHWSurface;
device->FreeHWSurface = CGX_FreeHWSurface;
device->SetGamma = CGX_SetGamma;
device->GetGamma = CGX_GetGamma;
device->SetGammaRamp = CGX_SetGammaRamp;
device->GetGammaRamp = NULL;
#if SDL_VIDEO_OPENGL
device->GL_LoadLibrary = CGX_GL_LoadLibrary;
device->GL_GetProcAddress = CGX_GL_GetProcAddress;
device->GL_GetAttribute = CGX_GL_GetAttribute;
device->GL_MakeCurrent = CGX_GL_MakeCurrent;
device->GL_SwapBuffers = CGX_GL_SwapBuffers;
#endif
device->SetIcon = CGX_SetIcon;
device->SetCaption = CGX_SetCaption;
device->IconifyWindow = NULL; /* CGX_IconifyWindow; */
device->GrabInput = NULL /* CGX_GrabInput*/;
device->GetWMInfo = CGX_GetWMInfo;
device->FreeWMCursor = amiga_FreeWMCursor;
device->CreateWMCursor = amiga_CreateWMCursor;
device->ShowWMCursor = amiga_ShowWMCursor;
device->WarpWMCursor = amiga_WarpWMCursor;
device->CheckMouseMode = amiga_CheckMouseMode;
device->InitOSKeymap = amiga_InitOSKeymap;
device->PumpEvents = amiga_PumpEvents;
device->free = CGX_DeleteDevice;
return device;
}
VideoBootStrap CGX_bootstrap = {
"CGX", "AmigaOS CyberGraphics", CGX_Available, CGX_CreateDevice
};
Uint32 MakeBitMask(_THIS,int type,int format,int *bpp)
{
D(if(type==0)bug("REAL pixel format: "));
if(this->hidden->depth==*bpp)
{
switch(format)
{
case PIXFMT_LUT8:
D(if(type==0)bug("LUT8\n"));
return 0;
case PIXFMT_BGR15:
case PIXFMT_RGB15PC:
switch(type)
{
case 0:
D(bug("RGB15PC/BGR15\n"));
return 31;
case 1:
return 992;
case 2:
return 31744;
}
case PIXFMT_RGB15:
case PIXFMT_BGR15PC:
switch(type)
{
case 0:
D(bug("RGB15/BGR15PC\n"));
return 31744;
case 1:
return 992;
case 2:
return 31;
}
case PIXFMT_BGR16PC:
case PIXFMT_RGB16:
switch(type)
{
case 0:
D(bug("RGB16PC\n"));
return 63488;
case 1:
return 2016;
case 2:
return 31;
}
case PIXFMT_BGR16:
case PIXFMT_RGB16PC:
switch(type)
{
case 0:
D(bug("RGB16PC/BGR16\n"));
return 31;
case 1:
return 2016;
case 2:
return 63488;
}
case PIXFMT_RGB24:
switch(type)
{
case 0:
D(bug("RGB24/BGR24\n"));
return 0xff0000;
case 1:
return 0xff00;
case 2:
return 0xff;
}
case PIXFMT_BGR24:
switch(type)
{
case 0:
D(bug("BGR24\n"));
return 0xff;
case 1:
return 0xff00;
case 2:
return 0xff0000;
}
case PIXFMT_ARGB32:
switch(type)
{
case 0:
D(bug("ARGB32\n"));
return 0xff0000;
case 1:
return 0xff00;
case 2:
return 0xff;
}
case PIXFMT_BGRA32:
switch(type)
{
case 0:
D(bug("BGRA32\n"));
return 0xff00;
case 1:
return 0xff0000;
case 2:
return 0xff000000;
}
case PIXFMT_RGBA32:
switch(type)
{
case 0:
D(bug("RGBA32\n"));
return 0xff000000;
case 1:
return 0xff0000;
case 2:
return 0xff00;
}
default:
D(bug("Unknown pixel format! Default to 24bit\n"));
return (Uint32) (255<<(type*8));
}
}
else
{
D(if(type==0)bug("DIFFERENT from screen.\nAllocated screen format: "));
switch(*bpp)
{
case 32:
D(if(type==0) bug("RGBA32\n"));
switch(type)
{
case 0:
return 0xff000000;
case 1:
return 0xff0000;
case 2:
return 0xff00;
}
break;
case 24:
use_truecolor:
switch(type)
{
case 0:
D(bug("RGB24\n"));
return 0xff0000;
case 1:
return 0xff00;
case 2:
return 0xff;
}
case 16:
case 15:
D(if(type==0) bug("Not supported, switching to 24bit!\n"));
*bpp=24;
goto use_truecolor;
break;
default:
D(if(type==0)bug("This is a chunky display\n"));
// For chunky display mask is always 0;
return 0;
}
}
return 0;
}
static int CGX_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
int i;
struct Library *RTGBase;
D(bug("VideoInit... Opening libraries\n"));
if(!IntuitionBase) {
if( !(IntuitionBase=(struct IntuitionBase *)OpenLibrary("intuition.library",39L))) {
SDL_SetError("Couldn't open intuition V39+");
return -1;
}
}
if(!GfxBase) {
if( !(GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",39L))) {
SDL_SetError("Couldn't open graphics V39+");
return -1;
}
}
if(!CyberGfxBase) {
if( !(CyberGfxBase=OpenLibrary("cybergraphics.library",40L))) {
SDL_SetError("Couldn't open cybergraphics.");
return(-1);
}
}
if(RTGBase=OpenLibrary("libs:picasso96/rtg.library",0L)) {
extern int use_picasso96;
CloseLibrary(RTGBase);
use_picasso96=1;
}
D(bug("Library intialized, locking screen...\n"));
SDL_Display = LockPubScreen(NULL);
if ( SDL_Display == NULL ) {
D(bug("Cannot lock display...\n"));
SDL_SetError("Couldn't lock the display");
return(-1);
}
this->info.current_w = SDL_Display->Width;
this->info.current_h = SDL_Display->Height;
D(bug("Checking if we are using a CGX native display...\n"));
if(!IsCyberModeID(GetVPModeID(&SDL_Display->ViewPort)))
{
Uint32 okid=BestCModeIDTags(CYBRBIDTG_NominalWidth,SDL_Display->Width,
CYBRBIDTG_NominalHeight,SDL_Display->Height,
CYBRBIDTG_Depth,8,
TAG_DONE);
D(bug("Default visual is not CGX native!\n"));
UnlockPubScreen(NULL,SDL_Display);
GFX_Display=NULL;
if(okid!=INVALID_ID)
{
GFX_Display=OpenScreenTags(NULL,
SA_Width,SDL_Display->Width,
SA_Height,SDL_Display->Height,
SA_Depth,8,SA_Quiet,TRUE,
SA_ShowTitle,FALSE,
SA_DisplayID,okid,
TAG_DONE);
}
if(!GFX_Display)
{
SDL_SetError("Unable to open a suited CGX display");
return -1;
}
else SDL_Display=GFX_Display;
}
else GFX_Display = SDL_Display;
/* See whether or not we need to swap pixels */
swap_pixels = 0;
// Non e' detto che sia cosi' pero', alcune schede potrebbero gestire i modi in modo differente
if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) {
swap_pixels = 1;
}
D(bug("Before GetVideoModes....\n"));
/* Get the available video modes */
if(CGX_GetVideoModes(this) < 0)
return -1;
/* Determine the default screen depth:
Use the default visual (or at least one with the same depth) */
for(i = 0; i < this->hidden->nvisuals; i++)
if(this->hidden->visuals[i].depth == GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH))
break;
if(i == this->hidden->nvisuals) {
/* default visual was useless, take the deepest one instead */
i = 0;
}
SDL_Visual = this->hidden->visuals[i].visual;
// SDL_XColorMap = SDL_DisplayColormap;
this->hidden->depth = this->hidden->visuals[i].depth;
D(bug("Init: Setting screen depth to: %ld\n",this->hidden->depth));
vformat->BitsPerPixel = this->hidden->visuals[i].depth; /* this->hidden->visuals[i].bpp; */
{
int form;
APTR handle;
struct DisplayInfo info;
if(!(handle=FindDisplayInfo(this->hidden->visuals[i].visual)))
{
D(bug("Unable to get visual info...\n"));
return -1;
}
if(!GetDisplayInfoData(handle,(char *)&info,sizeof(struct DisplayInfo),DTAG_DISP,NULL)) {
D(bug("Unable to get visual info data...\n"));
return -1;
}
form=GetCyberIDAttr(CYBRIDATTR_PIXFMT,SDL_Visual);
// In this case I use makebitmask in a way that I'm sure I'll get PIXFMT pixel mask
if ( vformat->BitsPerPixel > 8 )
{
vformat->Rmask = MakeBitMask(this,0,form,&this->hidden->depth);
vformat->Gmask = MakeBitMask(this,1,form,&this->hidden->depth);
vformat->Bmask = MakeBitMask(this,2,form,&this->hidden->depth);
}
}
/* See if we have been passed a window to use */
/* SDL_windowid = SDL_getenv("SDL_WINDOWID"); */
SDL_windowid=NULL;
/* Create the blank cursor */
SDL_BlankCursor = AllocMem(16,MEMF_CHIP|MEMF_CLEAR);
/* Fill in some window manager capabilities */
this->info.wm_available = 1;
this->info.blit_hw = 1;
this->info.blit_hw_CC = 1;
this->info.blit_sw = 1;
this->info.blit_fill = 1;
this->info.video_mem=2000000; // Not always true but almost any Amiga card has this memory!
this->hidden->same_format=0;
SDL_RastPort=&SDL_Display->RastPort;
/* We're done! */
D(bug("End of CGX_VideoInit\n"));
return(0);
}
void CGX_DestroyWindow(_THIS, SDL_Surface *screen)
{
D(bug("Destroy Window...\n"));
if ( ! SDL_windowid ) {
/* Hide the managed window */
int was_fullscreen=0;
/* Clean up OpenGL */
if ( screen ) {
screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT);
}
if ( screen && (screen->flags & SDL_FULLSCREEN) ) {
was_fullscreen=1;
screen->flags &= ~SDL_FULLSCREEN;
// CGX_LeaveFullScreen(this); tolto x crash
}
/* Destroy the output window */
if ( SDL_Window ) {
CloseWindow(SDL_Window);
SDL_Window=NULL;
}
/* Free the colormap entries */
if ( SDL_XPixels ) {
int numcolors;
unsigned long pixel;
if(this->screen->format&&this->hidden->depth==8&&!was_fullscreen)
{
numcolors = 1<<this->screen->format->BitsPerPixel;
if(numcolors>256)
numcolors=256;
if(!was_fullscreen&&this->hidden->depth==8)
{
for ( pixel=0; pixel<numcolors; pixel++ )
{
if(SDL_XPixels[pixel]>=0)
ReleasePen(GFX_Display->ViewPort.ColorMap,SDL_XPixels[pixel]);
}
}
}
SDL_free(SDL_XPixels);
SDL_XPixels = NULL;
}
}
}
static void CGX_SetSizeHints(_THIS, int w, int h, Uint32 flags)
{
if ( flags & SDL_RESIZABLE ) {
WindowLimits(SDL_Window, 32, 32,4096,4096);
} else {
WindowLimits(SDL_Window, w,h,w,h);
}
if ( flags & SDL_FULLSCREEN ) {
flags&=~SDL_RESIZABLE;
} else if ( SDL_getenv("SDL_VIDEO_CENTERED") ) {
int display_w, display_h;
display_w = SDL_Display->Width;
display_h = SDL_Display->Height;
ChangeWindowBox(SDL_Window,(display_w - w - SDL_Window->BorderLeft-SDL_Window->BorderRight)/2,
(display_h - h - SDL_Window->BorderTop-SDL_Window->BorderBottom)/2,
w+SDL_Window->BorderLeft+SDL_Window->BorderRight,
h+SDL_Window->BorderTop+SDL_Window->BorderBottom);
}
}
int CGX_CreateWindow(_THIS, SDL_Surface *screen,
int w, int h, int bpp, Uint32 flags)
{
#if 0
int i, depth;
Uint32 vis;
#endif
D(bug("CGX_CreateWindow\n"));
/* If a window is already present, destroy it and start fresh */
if ( SDL_Window ) {
CGX_DestroyWindow(this, screen);
}
/* See if we have been given a window id */
if ( SDL_windowid ) {
SDL_Window = (struct Window *)atol(SDL_windowid);
} else {
SDL_Window = 0;
}
/* find out which visual we are going to use */
#if 0
/* questo l'ho spostato nell'apertura dello schermo, in quanto su Amiga le finestre
hanno il pixel mode degli schermi.
*/
/*if ( flags & SDL_OPENGL ) {
SDL_SetError("OpenGL not supported by the Amiga SDL!");
return -1;
}
else {*/
for ( i = 0; i < this->hidden->nvisuals; i++ ) {
if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
break;
}
if ( i == this->hidden->nvisuals ) {
SDL_SetError("No matching visual for requested depth");
return -1; /* should never happen */
}
vis = this->hidden->visuals[i].visual;
depth = this->hidden->visuals[i].depth;
// }
SDL_Visual = vis;
this->hidden->depth = depth;
D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
#endif
/* Allocate the new pixel format for this video mode */
{
Uint32 form;
APTR handle;
struct DisplayInfo info;
if(!(handle=FindDisplayInfo(SDL_Visual)))
return -1;
if(!GetDisplayInfoData(handle,(char *)&info,sizeof(struct DisplayInfo),DTAG_DISP,NULL))
return -1;
form=GetCyberIDAttr(CYBRIDATTR_PIXFMT,SDL_Visual);
if(flags&SDL_HWSURFACE)
{
if(bpp!=this->hidden->depth)
{
bpp=this->hidden->depth;
D(bug("Accel forces bpp to be equal (%ld)\n",bpp));
}
}
D(bug("BEFORE screen allocation: bpp:%ld (real:%ld)\n",bpp,this->hidden->depth));
/* With this call if needed I'll revert the wanted bpp to a bpp best suited for the display, actually occurs
only with requested format 15/16bit and display format != 15/16bit
*/
if ( ! SDL_ReallocFormat(screen, bpp,
MakeBitMask(this,0,form,&bpp), MakeBitMask(this,1,form,&bpp), MakeBitMask(this,2,form,&bpp), 0) )
return -1;
D(bug("AFTER screen allocation: bpp:%ld (real:%ld)\n",bpp,this->hidden->depth));
}
/* Create the appropriate colormap */
/*
if ( SDL_XColorMap != SDL_DisplayColormap ) {
XFreeColormap(SDL_Display, SDL_XColorMap);
}
*/
if ( GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_PIXFMT)==PIXFMT_LUT8 || bpp==8 ) {
int ncolors,i;
D(bug("XPixels palette allocation...\n"));
/* Allocate the pixel flags */
if(bpp==8)
ncolors=256;
else
ncolors = 1 << screen->format->BitsPerPixel;
SDL_XPixels = (Sint32 *)SDL_malloc(ncolors * sizeof(Sint32));
if(SDL_XPixels == NULL) {
SDL_OutOfMemory();
return -1;
}
for(i=0;i<ncolors;i++)
SDL_XPixels[i]=-1;
/* always allocate a private colormap on non-default visuals */
if(bpp==8)
flags |= SDL_HWPALETTE;
if ( flags & SDL_HWPALETTE )
screen->flags |= SDL_HWPALETTE;
}
/* resize the (possibly new) window manager window */
/* Create (or use) the X11 display window */
if ( !SDL_windowid ) {
if( flags & SDL_FULLSCREEN )
{
SDL_Window = OpenWindowTags(NULL,WA_Width,w,WA_Height,h,
WA_Flags,WFLG_ACTIVATE|WFLG_RMBTRAP|WFLG_BORDERLESS|WFLG_BACKDROP|WFLG_REPORTMOUSE,
WA_IDCMP,IDCMP_RAWKEY|IDCMP_MOUSEBUTTONS|IDCMP_MOUSEMOVE,
WA_CustomScreen,(ULONG)SDL_Display,
TAG_DONE);
D(bug("Opening backdrop window %ldx%ld on display %lx!\n",w,h,SDL_Display));
}
else
{
/* Create GimmeZeroZero window when OpenGL is used */
unsigned long gzz = FALSE;
if( flags & SDL_OPENGL ) {
gzz = TRUE;
}
SDL_Window = OpenWindowTags(NULL,WA_InnerWidth,w,WA_InnerHeight,h,
WA_Flags,WFLG_REPORTMOUSE|WFLG_ACTIVATE|WFLG_RMBTRAP | ((flags&SDL_NOFRAME) ? 0 : (WFLG_DEPTHGADGET|WFLG_CLOSEGADGET|WFLG_DRAGBAR | ((flags&SDL_RESIZABLE) ? WFLG_SIZEGADGET|WFLG_SIZEBBOTTOM : 0))),
WA_IDCMP,IDCMP_RAWKEY|IDCMP_CLOSEWINDOW|IDCMP_MOUSEBUTTONS|IDCMP_NEWSIZE|IDCMP_MOUSEMOVE,
WA_PubScreen,(ULONG)SDL_Display,
WA_GimmeZeroZero, gzz,
TAG_DONE);
D(bug("Opening WB window of size: %ldx%ld!\n",w,h));
}
if(!SDL_Window)
return -1;
}
this->hidden->BytesPerPixel=GetCyberMapAttr(SDL_Window->RPort->BitMap,CYBRMATTR_BPPIX);
if(screen->flags & SDL_DOUBLEBUF)
{
if(SDL_RastPort=SDL_malloc(sizeof(struct RastPort)))
{
InitRastPort(SDL_RastPort);
SDL_RastPort->BitMap=this->hidden->SB[1]->sb_BitMap;
}
else
return -1;
}
else SDL_RastPort=SDL_Window->RPort;
if(flags&SDL_HWSURFACE)
screen->flags|=SDL_HWSURFACE;
if( !SDL_windowid ) {
CGX_SetSizeHints(this, w, h, flags);
}
/* Set our colormaps when not setting a GL mode */
/*
if ( ! (flags & SDL_OPENGL) ) {
XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap);
}
*/
/* Map them both and go fullscreen, if requested */
if ( ! SDL_windowid ) {
if ( flags & SDL_FULLSCREEN ) {
screen->flags |= SDL_FULLSCREEN;
currently_fullscreen=1;
// CGX_EnterFullScreen(this); Ci siamo gia'!
} else {
screen->flags &= ~SDL_FULLSCREEN;
}
}
screen->w = w;
screen->h = h;
screen->pitch = SDL_CalculatePitch(screen);
CGX_ResizeImage(this, screen, flags);
/* Make OpenGL Context if needed*/
if(flags & SDL_OPENGL) {
if(this->gl_data->gl_active == 0) {
if(CGX_GL_Init(this) < 0)
return -1;
else
screen->flags |= SDL_OPENGL;
}
else {
if(CGX_GL_Update(this) < 0)
return -1;
else
screen->flags |= SDL_OPENGL;
}
}
}
int CGX_ResizeWindow(_THIS,
SDL_Surface *screen, int w, int h, Uint32 flags)
{
D(bug("CGX_ResizeWindow\n"));
if ( ! SDL_windowid ) {
/* Resize the window manager window */
CGX_SetSizeHints(this, w, h, flags);
ChangeWindowBox(SDL_Window,SDL_Window->LeftEdge,SDL_Window->TopEdge, w+SDL_Window->BorderLeft+SDL_Window->BorderRight,
h+SDL_Window->BorderTop+SDL_Window->BorderBottom);
screen->w = w;
screen->h = h;
screen->pitch = SDL_CalculatePitch(screen);
CGX_ResizeImage(this, screen, flags);
}
return(0);
}
static SDL_Surface *CGX_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
Uint32 saved_flags;
int needcreate=0;
D(bug("CGX_SetVideoMode current:%lx\n",current));
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
// Check if the window needs to be closed or can be resized
if( (flags&SDL_FULLSCREEN) || (current && current->flags&SDL_FULLSCREEN && !(flags&SDL_FULLSCREEN)))
needcreate=1;
// Check if we need to close an already existing videomode...
if(current && current->flags&SDL_FULLSCREEN && !(flags&SDL_FULLSCREEN)) {
unsigned long i;
D(bug("Destroying image, window & screen!\n"));
CGX_DestroyImage(this,current);
CGX_DestroyWindow(this,current);
DestroyScreen(this);
GFX_Display=SDL_Display=LockPubScreen(NULL);
bpp=this->hidden->depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
for ( i = 0; i < this->hidden->nvisuals; i++ ) {
if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
break;
}
if ( i == this->hidden->nvisuals ) {
SDL_SetError("No matching visual for requested depth");
return NULL; /* should never happen */
}
SDL_Visual = this->hidden->visuals[i].visual;
D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
}
/* Check the combination of flags we were passed */
if ( flags & SDL_FULLSCREEN ) {
int i;
/* Clear fullscreen flag if not supported */
if ( SDL_windowid ) {
flags &= ~SDL_FULLSCREEN;
}
else if(current && current->flags&SDL_FULLSCREEN ) {
if(current->w!=width ||
current->h!=height ||
(this->hidden && this->hidden->depth!=bpp))
{
D(bug("Deleting previous window...\n"));
CGX_DestroyImage(this,current);
CGX_DestroyWindow(this,current);
DestroyScreen(this);
goto buildnewscreen;
}
}
else
buildnewscreen:
{
Uint32 okid=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,
CYBRBIDTG_NominalHeight,height,
CYBRBIDTG_Depth,bpp,
TAG_DONE);
GFX_Display=NULL;
D(bug("Opening screen...\n"));
if(okid!=INVALID_ID)
GFX_Display=OpenScreenTags(NULL,
SA_Width,width,
SA_Height,height,
SA_Quiet,TRUE,SA_ShowTitle,FALSE,
SA_Depth,bpp,
SA_DisplayID,okid,
TAG_DONE);
if(!GFX_Display) {
GFX_Display=SDL_Display;
flags &= ~SDL_FULLSCREEN;
flags &= ~SDL_DOUBLEBUF;
}
else {
UnlockPubScreen(NULL,SDL_Display);
SDL_Display=GFX_Display;
D(bug("Screen opened.\n"));
if(flags&SDL_DOUBLEBUF) {
int ok=0;
D(bug("Start of DBuffering allocations...\n"));
if(this->hidden->SB[0]=AllocScreenBuffer(SDL_Display,NULL,SB_SCREEN_BITMAP)) {
if(this->hidden->SB[1]=AllocScreenBuffer(SDL_Display,NULL,0L)) {
extern struct MsgPort *safeport,*dispport;
safeport=CreateMsgPort();
dispport=CreateMsgPort();
if(!safeport || !dispport) {
if(safeport) {
DeleteMsgPort(safeport);
safeport=NULL;
}
if(dispport) {
DeleteMsgPort(dispport);
dispport=NULL;
}
FreeScreenBuffer(SDL_Display,this->hidden->SB[0]);
FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
}
else {
extern ULONG safe_sigbit,disp_sigbit;
int i;
safe_sigbit=1L<< safeport->mp_SigBit;
disp_sigbit=1L<< dispport->mp_SigBit;
for(i=0;i<2;i++) {
this->hidden->SB[i]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=safeport;
this->hidden->SB[i]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=dispport;
}
ok=1;
D(bug("Dbuffering enabled!\n"));
this->hidden->dbuffer=1;
current->flags|=SDL_DOUBLEBUF;
}
}
else {
FreeScreenBuffer(SDL_Display,this->hidden->SB[1]);
this->hidden->SB[0]=NULL;
}
}
if(!ok)
flags&=~SDL_DOUBLEBUF;
}
}
if(GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH)==bpp)
this->hidden->same_format=1;
}
bpp=this->hidden->depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
D(bug("Setting screen depth to: %ld\n",this->hidden->depth));
for ( i = 0; i < this->hidden->nvisuals; i++ )
if ( this->hidden->visuals[i].depth == bpp ) /* era .depth */
break;
if ( i == this->hidden->nvisuals ) {
SDL_SetError("No matching visual for requested depth");
return NULL; /* should never happen */
}
SDL_Visual = this->hidden->visuals[i].visual;
}
/* Set up the X11 window */
saved_flags = current->flags;
if (SDL_Window && (saved_flags&SDL_OPENGL) == (flags&SDL_OPENGL)
&& bpp == current->format->BitsPerPixel && !needcreate) {
if (CGX_ResizeWindow(this, current, width, height, flags) < 0) {
current = NULL;
goto done;
}
} else {
if (CGX_CreateWindow(this,current,width,height,bpp,flags) < 0) {
current = NULL;
goto done;
}
}
#if 0
/* Set up the new mode framebuffer */
if ( ((current->w != width) || (current->h != height)) ||
((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) {
current->w = width;
current->h = height;
current->pitch = SDL_CalculatePitch(current);
CGX_ResizeImage(this, current, flags);
}
#endif
current->flags |= (flags&SDL_RESIZABLE); // Resizable only if the user asked it
done:
/* Release the event thread */
SDL_Unlock_EventThread();
/* We're done! */
return(current);
}
static int CGX_ToggleFullScreen(_THIS, int on)
{
Uint32 event_thread;
/* Don't switch if we don't own the window */
if ( SDL_windowid ) {
return(0);
}
/* Don't lock if we are the event thread */
event_thread = SDL_EventThreadID();
if ( event_thread && (SDL_ThreadID() == event_thread) ) {
event_thread = 0;
}
if ( event_thread ) {
SDL_Lock_EventThread();
}
if ( on ) {
this->screen->flags |= SDL_FULLSCREEN;
CGX_EnterFullScreen(this);
} else {
this->screen->flags &= ~SDL_FULLSCREEN;
CGX_LeaveFullScreen(this);
}
CGX_RefreshDisplay(this);
if ( event_thread ) {
SDL_Unlock_EventThread();
}
SDL_ResetKeyboard();
return(1);
}
static void SetSingleColor(Uint32 fmt, unsigned char r, unsigned char g, unsigned char b, unsigned char *c)
{
switch(fmt)
{
case PIXFMT_BGR15:
case PIXFMT_RGB15PC:
{
Uint16 *t=(Uint16 *)c;
*t=(r>>3) | ((g>>3)<<5) | ((b>>3)<<10) ;
}
break;
case PIXFMT_RGB15:
case PIXFMT_BGR15PC:
{
Uint16 *t=(Uint16 *)c;
*t=(b>>3) | ((g>>3)<<5) | ((r>>3)<<10) ;
}
break;
case PIXFMT_BGR16PC:
case PIXFMT_RGB16:
{
Uint16 *t=(Uint16 *)c;
*t=(b>>3) | ((g>>2)<<5) | ((r>>3)<<11) ;
}
break;
case PIXFMT_BGR16:
case PIXFMT_RGB16PC:
{
Uint16 *t=(Uint16 *)c;
*t=(r>>3) | ((g>>2)<<5) | ((b>>3)<<11) ;
}
break;
case PIXFMT_RGB24:
c[0]=r;
c[1]=g;
c[2]=b;
c[3]=0;
break;
case PIXFMT_BGR24:
c[0]=b;
c[1]=g;
c[2]=r;
c[3]=0;
break;
case PIXFMT_ARGB32:
c[0]=0;
c[1]=r;
c[2]=g;
c[3]=b;
break;
case PIXFMT_BGRA32:
c[0]=b;
c[1]=g;
c[2]=r;
c[3]=0;
break;
case PIXFMT_RGBA32:
c[0]=r;
c[1]=g;
c[2]=b;
c[3]=0;
break;
default:
D(bug("Error, SetSingleColor with PIXFMT %ld!\n",fmt));
}
}
/* Update the current mouse state and position */
static void CGX_UpdateMouse(_THIS)
{
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
if(currently_fullscreen)
{
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
SDL_PrivateMouseMotion(0, 0, SDL_Display->MouseX, SDL_Display->MouseY);
}
else
{
if( SDL_Display->MouseX>=(SDL_Window->LeftEdge+SDL_Window->BorderLeft) && SDL_Display->MouseX<(SDL_Window->LeftEdge+SDL_Window->Width-SDL_Window->BorderRight) &&
SDL_Display->MouseY>=(SDL_Window->TopEdge+SDL_Window->BorderLeft) && SDL_Display->MouseY<(SDL_Window->TopEdge+SDL_Window->Height-SDL_Window->BorderBottom)
)
{
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
SDL_PrivateMouseMotion(0, 0, SDL_Display->MouseX-SDL_Window->LeftEdge-SDL_Window->BorderLeft,
SDL_Display->MouseY-SDL_Window->TopEdge-SDL_Window->BorderTop);
}
else
{
SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
}
}
SDL_Unlock_EventThread();
}
static int CGX_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
{
int i;
/* Check to make sure we have a colormap allocated */
/* It's easy if we have a hidden colormap */
if ( (this->screen->flags & SDL_HWPALETTE) && currently_fullscreen )
{
ULONG xcmap[256*3+2];
xcmap[0]=(ncolors<<16);
xcmap[0]+=firstcolor;
// D(bug("Setting %ld colors on an HWPALETTE screen\n",ncolors));
for ( i=0; i<ncolors; i++ ) {
xcmap[i*3+1] = colors[i+firstcolor].r<<24;
xcmap[i*3+2] = colors[i+firstcolor].g<<24;
xcmap[i*3+3] = colors[i+firstcolor].b<<24;
}
xcmap[ncolors*3+1]=0;
LoadRGB32(&GFX_Display->ViewPort,xcmap);
} else {
// XPixels are not needed on 8bit screen with hwpalette
unsigned long pixel;
if ( SDL_XPixels == NULL ) {
D(bug("SetColors without colormap!"));
return(0);
}
if(this->hidden->depth==8)
{
// In this case I have to unalloc and realloc the full palette
D(bug("Obtaining %ld colors on the screen\n",ncolors));
/* Free existing allocated colors */
for ( pixel=0; pixel<this->screen->format->palette->ncolors; ++pixel ) {
if(SDL_XPixels[pixel]>=0)
ReleasePen(GFX_Display->ViewPort.ColorMap,SDL_XPixels[pixel]);
}
/* Try to allocate all the colors */
for ( i=0; i<this->screen->format->palette->ncolors; ++i ) {
SDL_XPixels[i]=ObtainBestPenA(GFX_Display->ViewPort.ColorMap,colors[i].r<<24,colors[i].g<<24,colors[i].b<<24,NULL);
}
}
else
{
#ifndef USE_CGX_WRITELUTPIXEL
Uint32 fmt;
D(bug("Preparing a conversion pixel table...\n"));
fmt=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_PIXFMT);
for(i=0;i<ncolors;i++)
{
SetSingleColor(fmt,colors[firstcolor+i].r,colors[firstcolor+i].g,colors[firstcolor+i].b,(unsigned char *)&SDL_XPixels[firstcolor+i]);
}
#else
// D(bug("Executing XPixel(%lx) remapping: (from %ld, %ld colors) first: r%ld g%ld b%ld\n",SDL_XPixels,firstcolor,ncolors,colors[firstcolor].r,colors[firstcolor].g,colors[firstcolor].b));
for(i=0;i<ncolors;i++)
SDL_XPixels[i+firstcolor]=(colors[firstcolor+i].r<<16)+(colors[firstcolor+i].g<<8)+colors[firstcolor+i].b;
#endif
}
}
// Actually it cannot fail!
return 1;
}
/* Note: If we are terminated, this could be called in the middle of
another SDL video routine -- notably UpdateRects.
*/
static void CGX_VideoQuit(_THIS)
{
/* Shutdown everything that's still up */
/* The event thread should be done, so we can touch SDL_Display */
D(bug("CGX_VideoQuit\n"));
if ( SDL_Display != NULL ) {
/* Clean up OpenGL */
if(this->gl_data->gl_active == 1) {
CGX_GL_Quit(this);
}
/* Start shutting down the windows */
D(bug("Destroying image...\n"));
CGX_DestroyImage(this, this->screen);
D(bug("Destroying window...\n"));
CGX_DestroyWindow(this, this->screen);
// Otherwise SDL_VideoQuit will try to free it!
SDL_VideoSurface=NULL;
CGX_FreeVideoModes(this);
/* Free that blank cursor */
if ( SDL_BlankCursor != NULL ) {
FreeMem(SDL_BlankCursor,16);
SDL_BlankCursor = NULL;
}
/* Close the X11 graphics connection */
this->hidden->same_format=0;
D(bug("Destroying screen...\n"));
if ( GFX_Display != NULL )
DestroyScreen(this);
/* Close the X11 display connection */
SDL_Display = NULL;
/* Unload GL library after X11 shuts down */
}
D(bug("Closing libraries...\n"));
if( CyberGfxBase) {
CloseLibrary(CyberGfxBase);
CyberGfxBase=NULL;
}
if (IntuitionBase) {
CloseLibrary((struct Library *)IntuitionBase);
IntuitionBase=NULL;
}
if (GfxBase) {
CloseLibrary((struct Library *)GfxBase);
GfxBase=NULL;
}
if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) {
/* Direct screen access, no memory buffer */
this->screen->pixels = NULL;
}
D(bug("End of CGX_VideoQuit.\n"));
}