This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_cgxvideo.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/*
* CGX based SDL video driver implementation by Gabriele Greco
* gabriele.greco@aruba.it
*/
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#include "SDL_endian.h"
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#include "SDL_timer.h"
#include "SDL_thread.h"
#include "SDL_video.h"
#include "SDL_mouse.h"
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#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"
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#include "SDL_cgxgl_c.h"
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#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 */
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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);
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static int CGX_ToggleFullScreen(_THIS, int on);
static void CGX_UpdateMouse(_THIS);
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static int CGX_SetColors(_THIS, int firstcolor, int ncolors,
SDL_Color * colors);
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static void CGX_VideoQuit(_THIS);
/* CGX driver bootstrap functions */
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struct Library *CyberGfxBase = NULL;
struct IntuitionBase *IntuitionBase = NULL;
struct GfxBase *GfxBase = NULL;
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int
CGX_SetGamma(_THIS, float red, float green, float blue)
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{
SDL_SetError("Gamma correction not supported");
return -1;
}
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int
CGX_GetGamma(_THIS, float red, float green, float blue)
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{
SDL_SetError("Gamma correction not supported");
return -1;
}
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int
CGX_SetGammaRamp(_THIS, Uint16 * ramp)
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{
#if 0
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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);
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#else
SDL_SetError("Gamma correction not supported on this visual");
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return (-1);
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#endif
}
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static void
DestroyScreen(_THIS)
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{
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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;
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}
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static int
CGX_Available(void)
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{
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struct Library *l;
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l = OpenLibrary("cybergraphics.library", 0L);
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if (l != NULL) {
D(bug("CGX video device AVAILABLE\n"));
CloseLibrary(l);
}
D(
else
bug("**CGX video device UNAVAILABLE\n"));
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return (l != NULL);
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}
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static void
CGX_DeleteDevice(SDL_VideoDevice * device)
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{
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if (device) {
if (device->hidden) {
SDL_free(device->hidden);
}
if (device->gl_data) {
SDL_free(device->gl_data);
}
SDL_free(device);
}
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}
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static SDL_VideoDevice *
CGX_CreateDevice(int devindex)
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{
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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;
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#if SDL_VIDEO_OPENGL
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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;
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#endif
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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;
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}
VideoBootStrap CGX_bootstrap = {
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"CGX", "AmigaOS CyberGraphics", CGX_Available, CGX_CreateDevice
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};
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Uint32
MakeBitMask(_THIS, int type, int format, int *bpp)
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{
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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"));
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// For chunky display mask is always 0;
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return 0;
}
}
return 0;
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}
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static int
CGX_VideoInit(_THIS, SDL_PixelFormat * vformat)
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{
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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;
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// Non e' detto che sia cosi' pero', alcune schede potrebbero gestire i modi in modo differente
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if (SDL_BYTEORDER == SDL_LIL_ENDIAN) {
swap_pixels = 1;
}
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D(bug("Before GetVideoModes....\n"));
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/* Get the available video modes */
if (CGX_GetVideoModes(this) < 0)
return -1;
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/* Determine the default screen depth:
Use the default visual (or at least one with the same depth) */
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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;
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// SDL_XColorMap = SDL_DisplayColormap;
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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; */
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{
int form;
APTR handle;
struct DisplayInfo info;
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if (!(handle = FindDisplayInfo(this->hidden->visuals[i].visual))) {
D(bug("Unable to get visual info...\n"));
return -1;
}
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if (!GetDisplayInfoData
(handle, (char *) &info, sizeof(struct DisplayInfo), DTAG_DISP,
NULL)) {
D(bug("Unable to get visual info data...\n"));
return -1;
}
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form = GetCyberIDAttr(CYBRIDATTR_PIXFMT, SDL_Visual);
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// In this case I use makebitmask in a way that I'm sure I'll get PIXFMT pixel mask
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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);
}
}
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/* See if we have been passed a window to use */
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/* SDL_windowid = SDL_getenv("SDL_WINDOWID"); */
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SDL_windowid = NULL;
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/* Create the blank cursor */
SDL_BlankCursor = AllocMem(16, MEMF_CHIP | MEMF_CLEAR);
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/* 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!
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this->hidden->same_format = 0;
SDL_RastPort = &SDL_Display->RastPort;
/* We're done! */
D(bug("End of CGX_VideoInit\n"));
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}
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void
CGX_DestroyWindow(_THIS, SDL_Surface * screen)
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{
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D(bug("Destroy Window...\n"));
if (!SDL_windowid) {
/* Hide the managed window */
int was_fullscreen = 0;
/* Clean up OpenGL */
if (screen) {
screen->flags &= ~SDL_INTERNALOPENGL;
}
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;
}
}
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}
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static void
CGX_SetSizeHints(_THIS, int w, int h, Uint32 flags)
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{
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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);
}
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}
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int
CGX_CreateWindow(_THIS, SDL_Surface * screen,
int w, int h, int bpp, Uint32 flags)
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{
#if 0
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int i, depth;
Uint32 vis;
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#endif
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D(bug("CGX_CreateWindow\n"));
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/* If a window is already present, destroy it and start fresh */
if (SDL_Window) {
CGX_DestroyWindow(this, screen);
}
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/* See if we have been given a window id */
if (SDL_windowid) {
SDL_Window = (struct Window *) atol(SDL_windowid);
} else {
SDL_Window = 0;
}
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/* find out which visual we are going to use */
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#if 0
/* questo l'ho spostato nell'apertura dello schermo, in quanto su Amiga le finestre
hanno il pixel mode degli schermi.
*/
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/*if ( flags & SDL_INTERNALOPENGL ) {
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));
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#endif
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/* Allocate the new pixel format for this video mode */
{
Uint32 form;
APTR handle;
struct DisplayInfo info;
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if (!(handle = FindDisplayInfo(SDL_Visual)))
return -1;
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if (!GetDisplayInfoData
(handle, (char *) &info, sizeof(struct DisplayInfo), DTAG_DISP,
NULL))
return -1;
734
form = GetCyberIDAttr(CYBRIDATTR_PIXFMT, SDL_Visual);
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if (flags & SDL_HWSURFACE) {
if (bpp != this->hidden->depth) {
bpp = this->hidden->depth;
D(bug("Accel forces bpp to be equal (%ld)\n", bpp));
}
}
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D(bug
("BEFORE screen allocation: bpp:%ld (real:%ld)\n", bpp,
this->hidden->depth));
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/* 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
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if (!SDL_ReallocFormat(screen, bpp,
MakeBitMask(this, 0, form, &bpp),
MakeBitMask(this, 1, form, &bpp),
MakeBitMask(this, 2, form, &bpp), 0))
return -1;
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D(bug
("AFTER screen allocation: bpp:%ld (real:%ld)\n", bpp,
this->hidden->depth));
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/* Create the appropriate colormap */
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/*
if ( SDL_XColorMap != SDL_DisplayColormap ) {
XFreeColormap(SDL_Display, SDL_XColorMap);
}
*/
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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_INTERNALOPENGL) {
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 */
872
if ( ! (flags & SDL_INTERNALOPENGL) ) {
873
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875
XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap);
}
*/
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904
905
/* 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_INTERNALOPENGL) {
if (this->gl_data->gl_active == 0) {
if (CGX_GL_Init(this) < 0)
return -1;
else
screen->flags |= SDL_INTERNALOPENGL;
} else {
if (CGX_GL_Update(this) < 0)
return -1;
else
screen->flags |= SDL_INTERNALOPENGL;
}
}
906
907
}
908
909
int
CGX_ResizeWindow(_THIS, SDL_Surface * screen, int w, int h, Uint32 flags)
910
{
911
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913
914
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922
923
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925
926
927
928
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);
929
930
}
931
932
933
static SDL_Surface *
CGX_SetVideoMode(_THIS, SDL_Surface * current,
int width, int height, int bpp, Uint32 flags)
934
{
935
936
Uint32 saved_flags;
int needcreate = 0;
938
D(bug("CGX_SetVideoMode current:%lx\n", current));
940
941
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
943
944
// Check if the window needs to be closed or can be resized
945
946
947
948
if ((flags & SDL_FULLSCREEN)
|| (current && current->flags & SDL_FULLSCREEN
&& !(flags & SDL_FULLSCREEN)))
needcreate = 1;
950
// Check if we need to close an already existing videomode...
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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,