| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 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" |
| |
| /* BWindow based framebuffer implementation */ |
| |
| #include <unistd.h> |
| |
| #include "SDL_BWin.h" |
| #include "SDL_timer.h" |
| |
| extern "C" { |
| |
| #include "../SDL_sysvideo.h" |
| #include "../../events/SDL_events_c.h" |
| #include "SDL_sysevents_c.h" |
| #include "SDL_sysmouse_c.h" |
| #include "SDL_syswm_c.h" |
| #include "SDL_lowvideo.h" |
| #include "../SDL_yuvfuncs.h" |
| #include "SDL_sysyuv.h" |
| #include "../blank_cursor.h" |
| |
| #define BEOS_HIDDEN_SIZE 32 /* starting hidden window size */ |
| |
| /* Initialization/Query functions */ |
| static int BE_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| static SDL_Rect **BE_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| static SDL_Surface *BE_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| static void BE_UpdateMouse(_THIS); |
| static int BE_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| static void BE_VideoQuit(_THIS); |
| |
| /* Hardware surface functions */ |
| static int BE_AllocHWSurface(_THIS, SDL_Surface *surface); |
| static int BE_LockHWSurface(_THIS, SDL_Surface *surface); |
| static void BE_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| static void BE_FreeHWSurface(_THIS, SDL_Surface *surface); |
| |
| static int BE_ToggleFullScreen(_THIS, int fullscreen); |
| |
| /* OpenGL functions */ |
| #if SDL_VIDEO_OPENGL |
| static int BE_GL_LoadLibrary(_THIS, const char *path); |
| static void* BE_GL_GetProcAddress(_THIS, const char *proc); |
| static int BE_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); |
| static int BE_GL_MakeCurrent(_THIS); |
| static void BE_GL_SwapBuffers(_THIS); |
| #endif |
| |
| /* FB driver bootstrap functions */ |
| |
| static int BE_Available(void) |
| { |
| return(1); |
| } |
| |
| static void BE_DeleteDevice(SDL_VideoDevice *device) |
| { |
| SDL_free(device->hidden); |
| SDL_free(device); |
| } |
| |
| static SDL_VideoDevice *BE_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)); |
| } |
| if ( (device == NULL) || (device->hidden == NULL) ) { |
| SDL_OutOfMemory(); |
| if ( device ) { |
| SDL_free(device); |
| } |
| return(0); |
| } |
| SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| |
| /* Set the function pointers */ |
| /* Initialization/Query functions */ |
| device->VideoInit = BE_VideoInit; |
| device->ListModes = BE_ListModes; |
| device->SetVideoMode = BE_SetVideoMode; |
| device->ToggleFullScreen = BE_ToggleFullScreen; |
| device->UpdateMouse = BE_UpdateMouse; |
| device->CreateYUVOverlay = BE_CreateYUVOverlay; |
| device->SetColors = BE_SetColors; |
| device->UpdateRects = NULL; |
| device->VideoQuit = BE_VideoQuit; |
| /* Hardware acceleration functions */ |
| device->AllocHWSurface = BE_AllocHWSurface; |
| device->CheckHWBlit = NULL; |
| device->FillHWRect = NULL; |
| device->SetHWColorKey = NULL; |
| device->SetHWAlpha = NULL; |
| device->LockHWSurface = BE_LockHWSurface; |
| device->UnlockHWSurface = BE_UnlockHWSurface; |
| device->FlipHWSurface = NULL; |
| device->FreeHWSurface = BE_FreeHWSurface; |
| /* Gamma support */ |
| #if SDL_VIDEO_OPENGL |
| /* OpenGL support */ |
| device->GL_LoadLibrary = BE_GL_LoadLibrary; |
| device->GL_GetProcAddress = BE_GL_GetProcAddress; |
| device->GL_GetAttribute = BE_GL_GetAttribute; |
| device->GL_MakeCurrent = BE_GL_MakeCurrent; |
| device->GL_SwapBuffers = BE_GL_SwapBuffers; |
| #endif |
| /* Window manager functions */ |
| device->SetCaption = BE_SetWMCaption; |
| device->SetIcon = NULL; |
| device->IconifyWindow = BE_IconifyWindow; |
| device->GrabInput = BE_GrabInput; |
| device->GetWMInfo = BE_GetWMInfo; |
| /* Cursor manager functions */ |
| device->FreeWMCursor = BE_FreeWMCursor; |
| device->CreateWMCursor = BE_CreateWMCursor; |
| device->ShowWMCursor = BE_ShowWMCursor; |
| device->WarpWMCursor = BE_WarpWMCursor; |
| device->MoveWMCursor = NULL; |
| device->CheckMouseMode = BE_CheckMouseMode; |
| /* Event manager functions */ |
| device->InitOSKeymap = BE_InitOSKeymap; |
| device->PumpEvents = BE_PumpEvents; |
| |
| device->free = BE_DeleteDevice; |
| |
| /* Set the driver flags */ |
| device->handles_any_size = 1; |
| |
| return device; |
| } |
| |
| VideoBootStrap BWINDOW_bootstrap = { |
| "bwindow", "BDirectWindow graphics", |
| BE_Available, BE_CreateDevice |
| }; |
| |
| static inline int ColorSpaceToBitsPerPixel(uint32 colorspace) |
| { |
| int bitsperpixel; |
| |
| bitsperpixel = 0; |
| switch (colorspace) { |
| case B_CMAP8: |
| bitsperpixel = 8; |
| break; |
| case B_RGB15: |
| case B_RGBA15: |
| case B_RGB15_BIG: |
| case B_RGBA15_BIG: |
| bitsperpixel = 15; |
| break; |
| case B_RGB16: |
| case B_RGB16_BIG: |
| bitsperpixel = 16; |
| break; |
| case B_RGB32: |
| case B_RGBA32: |
| case B_RGB32_BIG: |
| case B_RGBA32_BIG: |
| bitsperpixel = 32; |
| break; |
| default: |
| break; |
| } |
| return(bitsperpixel); |
| } |
| |
| /* Function to sort the display_list in bscreen */ |
| static int CompareModes(const void *A, const void *B) |
| { |
| const display_mode *a = (display_mode *)A; |
| const display_mode *b = (display_mode *)B; |
| |
| if ( a->space == b->space ) { |
| return((b->virtual_width*b->virtual_height)- |
| (a->virtual_width*a->virtual_height)); |
| } else { |
| return(ColorSpaceToBitsPerPixel(b->space)- |
| ColorSpaceToBitsPerPixel(a->space)); |
| } |
| } |
| |
| /* Yes, this isn't the fastest it could be, but it works nicely */ |
| static int BE_AddMode(_THIS, int index, unsigned int w, unsigned int h) |
| { |
| SDL_Rect *mode; |
| int i; |
| int next_mode; |
| |
| /* Check to see if we already have this mode */ |
| if ( SDL_nummodes[index] > 0 ) { |
| for ( i=SDL_nummodes[index]-1; i >= 0; --i ) { |
| mode = SDL_modelist[index][i]; |
| if ( (mode->w == w) && (mode->h == h) ) { |
| #ifdef BWINDOW_DEBUG |
| fprintf(stderr, "We already have mode %dx%d at %d bytes per pixel\n", w, h, index+1); |
| #endif |
| return(0); |
| } |
| } |
| } |
| |
| /* Set up the new video mode rectangle */ |
| mode = (SDL_Rect *)SDL_malloc(sizeof *mode); |
| if ( mode == NULL ) { |
| SDL_OutOfMemory(); |
| return(-1); |
| } |
| mode->x = 0; |
| mode->y = 0; |
| mode->w = w; |
| mode->h = h; |
| #ifdef BWINDOW_DEBUG |
| fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1); |
| #endif |
| |
| /* Allocate the new list of modes, and fill in the new mode */ |
| next_mode = SDL_nummodes[index]; |
| SDL_modelist[index] = (SDL_Rect **) |
| SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); |
| if ( SDL_modelist[index] == NULL ) { |
| SDL_OutOfMemory(); |
| SDL_nummodes[index] = 0; |
| SDL_free(mode); |
| return(-1); |
| } |
| SDL_modelist[index][next_mode] = mode; |
| SDL_modelist[index][next_mode+1] = NULL; |
| SDL_nummodes[index]++; |
| |
| return(0); |
| } |
| |
| int BE_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| { |
| display_mode *modes; |
| uint32 i, nmodes; |
| int bpp; |
| BRect bounds; |
| |
| /* Initialize the Be Application for appserver interaction */ |
| if ( SDL_InitBeApp() < 0 ) { |
| return(-1); |
| } |
| |
| /* It is important that this be created after SDL_InitBeApp() */ |
| BScreen bscreen; |
| |
| /* Save the current display mode */ |
| bscreen.GetMode(&saved_mode); |
| _this->info.current_w = saved_mode.virtual_width; |
| _this->info.current_h = saved_mode.virtual_height; |
| |
| /* Determine the screen depth */ |
| vformat->BitsPerPixel = ColorSpaceToBitsPerPixel(bscreen.ColorSpace()); |
| if ( vformat->BitsPerPixel == 0 ) { |
| SDL_SetError("Unknown BScreen colorspace: 0x%x", |
| bscreen.ColorSpace()); |
| return(-1); |
| } |
| |
| /* Get the video modes we can switch to in fullscreen mode */ |
| bscreen.GetModeList(&modes, &nmodes); |
| SDL_qsort(modes, nmodes, sizeof *modes, CompareModes); |
| for ( i=0; i<nmodes; ++i ) { |
| bpp = ColorSpaceToBitsPerPixel(modes[i].space); |
| //if ( bpp != 0 ) { // There are bugs in changing colorspace |
| if ( modes[i].space == saved_mode.space ) { |
| BE_AddMode(_this, ((bpp+7)/8)-1, |
| modes[i].virtual_width, |
| modes[i].virtual_height); |
| } |
| } |
| |
| /* Create the window and view */ |
| bounds.top = 0; bounds.left = 0; |
| bounds.right = BEOS_HIDDEN_SIZE; |
| bounds.bottom = BEOS_HIDDEN_SIZE; |
| SDL_Win = new SDL_BWin(bounds); |
| |
| #if SDL_VIDEO_OPENGL |
| /* testgl application doesn't load library, just tries to load symbols */ |
| /* is it correct? if so we have to load library here */ |
| BE_GL_LoadLibrary(_this, NULL); |
| #endif |
| |
| /* Create the clear cursor */ |
| SDL_BlankCursor = BE_CreateWMCursor(_this, blank_cdata, blank_cmask, |
| BLANK_CWIDTH, BLANK_CHEIGHT, BLANK_CHOTX, BLANK_CHOTY); |
| |
| /* Fill in some window manager capabilities */ |
| _this->info.wm_available = 1; |
| |
| /* We're done! */ |
| return(0); |
| } |
| |
| /* We support any dimension at our bit-depth */ |
| SDL_Rect **BE_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| { |
| SDL_Rect **modes; |
| |
| modes = ((SDL_Rect **)0); |
| if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1]; |
| } else { |
| if ( format->BitsPerPixel == |
| _this->screen->format->BitsPerPixel ) { |
| modes = ((SDL_Rect **)-1); |
| } |
| } |
| return(modes); |
| } |
| |
| /* Various screen update functions available */ |
| static void BE_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); |
| |
| |
| /* Find the closest display mode for fullscreen */ |
| static bool BE_FindClosestFSMode(_THIS, int width, int height, int bpp, |
| display_mode *mode) |
| { |
| BScreen bscreen; |
| uint32 i, nmodes; |
| SDL_Rect **modes; |
| display_mode *dmodes; |
| display_mode current; |
| float current_refresh; |
| bscreen.GetMode(¤t); |
| current_refresh = (1000 * current.timing.pixel_clock) / |
| (current.timing.h_total * current.timing.v_total); |
| |
| modes = SDL_modelist[((bpp+7)/8)-1]; |
| |
| // find end of list (lowest-resolution mode; modes are ordered |
| // highest-to-lowest). |
| i = 0; while(modes[i]) i++; |
| if (!i) return false; // what? no modes at all? |
| |
| // find first mode with resolution >= requested in both dimensions |
| for (--i; i >= 0; --i) |
| { |
| if (modes[i]->w >= width && modes[i]->h >= height) |
| break; |
| } |
| |
| // unable to find any mode with that high a resolution! |
| if (i < 0) |
| return false; |
| |
| width = modes[i]->w; |
| height = modes[i]->h; |
| |
| bscreen.GetModeList(&dmodes, &nmodes); |
| for ( i = 0; i < nmodes; ++i ) { |
| if ( (bpp == ColorSpaceToBitsPerPixel(dmodes[i].space)) && |
| (width == dmodes[i].virtual_width) && |
| (height == dmodes[i].virtual_height) ) { |
| break; |
| } |
| } |
| if ( i != nmodes ) { |
| *mode = dmodes[i]; |
| if ((mode->virtual_width <= current.virtual_width) && |
| (mode->virtual_height <= current.virtual_height)) { |
| float new_refresh = (1000 * mode->timing.pixel_clock) / |
| (mode->timing.h_total * mode->timing.v_total); |
| if (new_refresh < current_refresh) { |
| mode->timing.pixel_clock = (uint32)((mode->timing.h_total * mode->timing.v_total) |
| * current_refresh / 1000); |
| } |
| } |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| static int BE_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen) |
| { |
| // printf("SetFullScreen(%d)\n", fullscreen); |
| BScreen bscreen; |
| |
| // SetFullSscreen() does not work as expected if called in a window |
| // that was never shown. This is probably a bug in the Haiku Game Kit that needs |
| // to be investigated. |
| if (SDL_Win->Lock()) { |
| // Show our window. |
| SDL_Win->Show(); |
| } |
| |
| if (SDL_Win->IsLocked()) { |
| // Unlock the window if it was locked. This is needed as only the |
| // first call to Show() unlocks the looper. All other calls to it |
| // will not. |
| SDL_Win->Unlock(); |
| } |
| |
| int width = screen->w; |
| int height = screen->h; |
| |
| if (fullscreen) { |
| // Set resolution to the closest available one that matches the |
| // current SDL resolution. |
| display_mode mode; |
| bscreen.GetMode(&mode); |
| |
| int bpp = screen->format->BitsPerPixel; |
| if (bpp != ColorSpaceToBitsPerPixel(mode.space) || |
| width != mode.virtual_width || height != mode.virtual_height) { |
| if(BE_FindClosestFSMode(_this, width, height, bpp, &mode)) { |
| bscreen.SetMode(&mode); |
| } else { |
| // printf("Could not set new mode.\n"); |
| return(0); |
| } |
| } |
| } else { |
| // Reset to the previous known resolution as we are now in window |
| // mode. |
| bscreen.SetMode(&saved_mode); |
| } |
| |
| // Effectivelly set/reset full screen mode. If we are already in |
| // full screen mode, we reset back to windowed mode first so the |
| // window can resize when going fullscreen. |
| // if (fullscreen) |
| // printf("Going fullscreen\n"); |
| // else |
| // printf("Going windowed\n"); |
| SDL_Win->SetFullScreen(fullscreen); |
| |
| // Calculate offsets for centering the window (in window mode) and for |
| // dentering the bitmap (in full screen mode). |
| BRect bounds = bscreen.Frame(); |
| bounds.PrintToStream(); |
| int32 cx = (bounds.IntegerWidth() - width)/2; |
| int32 cy = (bounds.IntegerHeight() - height)/2; |
| |
| // printf ("cx = %d, cy = %d\n", cx, cy); |
| if (!SDL_Win->IsFullScreen()) { |
| // printf("Doing not fullscreen stuff.\n"); |
| // We are not in full screen mode, so we want to change the window |
| // size to match the resolution in SDL. |
| SDL_Win->ResizeTo(width, height); |
| |
| // And also center the window and reset the drawing offset. |
| SDL_Win->MoveTo(cx, cy); |
| SDL_Win->SetXYOffset(0, 0); |
| } else { |
| // printf("Doing fullscreen stuff."); |
| // Center the bitmap whenever we are in full screen mode. |
| SDL_Win->SetXYOffset(cx, cy); |
| } |
| |
| // Set relevant internal SDL screen flags. |
| if (SDL_Win->IsFullScreen()) { |
| screen->flags |= SDL_FULLSCREEN; |
| } else { |
| screen->flags &= ~SDL_FULLSCREEN; |
| } |
| |
| return(1); |
| } |
| |
| static int BE_ToggleFullScreen(_THIS, int fullscreen) |
| { |
| return BE_SetFullScreen(_this, _this->screen, fullscreen); |
| } |
| |
| /* FIXME: check return values and cleanup here */ |
| SDL_Surface *BE_SetVideoMode(_THIS, SDL_Surface *current, |
| int width, int height, int bpp, Uint32 flags) |
| { |
| BScreen bscreen; |
| BBitmap *bbitmap; |
| BRect bounds; |
| Uint32 gl_flags = 0; |
| |
| /* Only RGB works on r5 currently */ |
| gl_flags = BGL_RGB; |
| if (_this->gl_config.double_buffer) |
| gl_flags |= BGL_DOUBLE; |
| else |
| gl_flags |= BGL_SINGLE; |
| if (_this->gl_config.alpha_size > 0 || bpp == 32) |
| gl_flags |= BGL_ALPHA; |
| if (_this->gl_config.depth_size > 0) |
| gl_flags |= BGL_DEPTH; |
| if (_this->gl_config.stencil_size > 0) |
| gl_flags |= BGL_STENCIL; |
| if (_this->gl_config.accum_red_size > 0 |
| || _this->gl_config.accum_green_size > 0 |
| || _this->gl_config.accum_blue_size > 0 |
| || _this->gl_config.accum_alpha_size > 0) |
| gl_flags |= BGL_ACCUM; |
| |
| /* Create the view for this window, using found flags */ |
| if ( SDL_Win->CreateView(flags, gl_flags) < 0 ) { |
| return(NULL); |
| } |
| |
| current->flags = 0; /* Clear flags */ |
| current->w = width; |
| current->h = height; |
| SDL_Win->SetType(B_TITLED_WINDOW); |
| if ( flags & SDL_NOFRAME ) { |
| current->flags |= SDL_NOFRAME; |
| SDL_Win->SetLook(B_NO_BORDER_WINDOW_LOOK); |
| } else { |
| if ( (flags & SDL_RESIZABLE) && !(flags & SDL_OPENGL) ) { |
| current->flags |= SDL_RESIZABLE; |
| /* We don't want opaque resizing (TM). :-) */ |
| SDL_Win->SetFlags(B_OUTLINE_RESIZE); |
| } else { |
| SDL_Win->SetFlags(B_NOT_RESIZABLE|B_NOT_ZOOMABLE); |
| } |
| } |
| |
| if ( flags & SDL_OPENGL ) { |
| current->flags |= SDL_OPENGL; |
| current->pitch = 0; |
| current->pixels = NULL; |
| _this->UpdateRects = NULL; |
| } else { |
| /* Create the BBitmap framebuffer */ |
| bounds.top = 0; bounds.left = 0; |
| bounds.right = width-1; |
| bounds.bottom = height-1; |
| bbitmap = new BBitmap(bounds, bscreen.ColorSpace()); |
| if ( ! bbitmap->IsValid() ) { |
| SDL_SetError("Couldn't create screen bitmap"); |
| delete bbitmap; |
| return(NULL); |
| } |
| current->pitch = bbitmap->BytesPerRow(); |
| current->pixels = (void *)bbitmap->Bits(); |
| SDL_Win->SetBitmap(bbitmap); |
| _this->UpdateRects = BE_NormalUpdate; |
| } |
| |
| /* Set the correct fullscreen mode */ |
| BE_SetFullScreen(_this, current, flags & SDL_FULLSCREEN ? 1 : 0); |
| |
| /* We're done */ |
| return(current); |
| } |
| |
| /* Update the current mouse state and position */ |
| void BE_UpdateMouse(_THIS) |
| { |
| BPoint point; |
| uint32 buttons; |
| |
| if ( SDL_Win->Lock() ) { |
| /* Get new input state, if still active */ |
| if ( SDL_Win->IsActive() ) { |
| (SDL_Win->View())->GetMouse(&point, &buttons, true); |
| } else { |
| point.x = -1; |
| point.y = -1; |
| } |
| SDL_Win->Unlock(); |
| |
| if ( (point.x >= 0) && (point.x < SDL_VideoSurface->w) && |
| (point.y >= 0) && (point.y < SDL_VideoSurface->h) ) { |
| SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
| SDL_PrivateMouseMotion(0, 0, |
| (Sint16)point.x, (Sint16)point.y); |
| } else { |
| SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
| } |
| } |
| } |
| |
| /* We don't actually allow hardware surfaces other than the main one */ |
| static int BE_AllocHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return(-1); |
| } |
| static void BE_FreeHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return; |
| } |
| static int BE_LockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return(0); |
| } |
| static void BE_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| return; |
| } |
| |
| static void BE_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) |
| { |
| if ( SDL_Win->BeginDraw() ) { |
| int i; |
| |
| for ( i=0; i<numrects; ++i ) { |
| BRect rect; |
| |
| rect.top = rects[i].y; |
| rect.left = rects[i].x; |
| rect.bottom = rect.top+rects[i].h-1; |
| rect.right = rect.left+rects[i].w-1; |
| SDL_Win->DrawAsync(rect); |
| } |
| SDL_Win->EndDraw(); |
| } |
| } |
| |
| #if SDL_VIDEO_OPENGL |
| /* Passing a NULL path means load pointers from the application */ |
| int BE_GL_LoadLibrary(_THIS, const char *path) |
| { |
| if (path == NULL) { |
| if (_this->gl_config.dll_handle == NULL) { |
| image_info info; |
| int32 cookie = 0; |
| while (get_next_image_info(0,&cookie,&info) == B_OK) { |
| void *location = NULL; |
| #ifdef __HAIKU__ |
| if (get_image_symbol(info.id,"glBegin",B_SYMBOL_TYPE_ANY,&location) == B_OK) { // This is how it actually works in Haiku |
| #else |
| if (get_image_symbol((image_id)cookie,"glBegin",B_SYMBOL_TYPE_ANY,&location) == B_OK) { // I don't know if that *did* work in BeOS |
| #endif |
| _this->gl_config.dll_handle = (void*)info.id; |
| _this->gl_config.driver_loaded = 1; |
| SDL_strlcpy(_this->gl_config.driver_path, "libGL.so", SDL_arraysize(_this->gl_config.driver_path)); |
| } |
| } |
| } |
| } else { |
| /* |
| FIXME None of BeOS libGL.so implementations have exported functions |
| to load BGLView, which should be reloaded from new lib. |
| So for now just "load" linked libGL.so :( |
| */ |
| if (_this->gl_config.dll_handle == NULL) { |
| return BE_GL_LoadLibrary(_this, NULL); |
| } |
| |
| /* Unload old first */ |
| /*if (_this->gl_config.dll_handle != NULL) {*/ |
| /* Do not try to unload application itself (if LoadLibrary was called before with NULL ;) */ |
| /* image_info info; |
| if (get_image_info((image_id)_this->gl_config.dll_handle, &info) == B_OK) { |
| if (info.type != B_APP_IMAGE) { |
| unload_add_on((image_id)_this->gl_config.dll_handle); |
| } |
| } |
| |
| } |
| |
| if ((_this->gl_config.dll_handle = (void*)load_add_on(path)) != (void*)B_ERROR) { |
| _this->gl_config.driver_loaded = 1; |
| SDL_strlcpy(_this->gl_config.driver_path, path, SDL_arraysize(_this->gl_config.driver_path)); |
| }*/ |
| } |
| |
| if (_this->gl_config.dll_handle != NULL) { |
| return 0; |
| } else { |
| _this->gl_config.dll_handle = NULL; |
| _this->gl_config.driver_loaded = 0; |
| *_this->gl_config.driver_path = '\0'; |
| return -1; |
| } |
| } |
| |
| void* BE_GL_GetProcAddress(_THIS, const char *proc) |
| { |
| if (_this->gl_config.dll_handle != NULL) { |
| void *location = NULL; |
| status_t err; |
| if ((err = get_image_symbol((image_id)_this->gl_config.dll_handle, proc, B_SYMBOL_TYPE_ANY, &location)) == B_OK) { |
| return location; |
| } else { |
| SDL_SetError("Couldn't find OpenGL symbol"); |
| return NULL; |
| } |
| } else { |
| SDL_SetError("OpenGL library not loaded"); |
| return NULL; |
| } |
| } |
| |
| int BE_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) |
| { |
| /* |
| FIXME? Right now BE_GL_GetAttribute shouldn't be called between glBegin() and glEnd() - it doesn't use "cached" values |
| */ |
| switch (attrib) |
| { |
| case SDL_GL_RED_SIZE: |
| glGetIntegerv(GL_RED_BITS, (GLint*)value); |
| break; |
| case SDL_GL_GREEN_SIZE: |
| glGetIntegerv(GL_GREEN_BITS, (GLint*)value); |
| break; |
| case SDL_GL_BLUE_SIZE: |
| glGetIntegerv(GL_BLUE_BITS, (GLint*)value); |
| break; |
| case SDL_GL_ALPHA_SIZE: |
| glGetIntegerv(GL_ALPHA_BITS, (GLint*)value); |
| break; |
| case SDL_GL_DOUBLEBUFFER: |
| glGetBooleanv(GL_DOUBLEBUFFER, (GLboolean*)value); |
| break; |
| case SDL_GL_BUFFER_SIZE: |
| int v; |
| glGetIntegerv(GL_RED_BITS, (GLint*)&v); |
| *value = v; |
| glGetIntegerv(GL_GREEN_BITS, (GLint*)&v); |
| *value += v; |
| glGetIntegerv(GL_BLUE_BITS, (GLint*)&v); |
| *value += v; |
| glGetIntegerv(GL_ALPHA_BITS, (GLint*)&v); |
| *value += v; |
| break; |
| case SDL_GL_DEPTH_SIZE: |
| glGetIntegerv(GL_DEPTH_BITS, (GLint*)value); /* Mesa creates 16 only? r5 always 32 */ |
| break; |
| case SDL_GL_STENCIL_SIZE: |
| glGetIntegerv(GL_STENCIL_BITS, (GLint*)value); |
| break; |
| case SDL_GL_ACCUM_RED_SIZE: |
| glGetIntegerv(GL_ACCUM_RED_BITS, (GLint*)value); |
| break; |
| case SDL_GL_ACCUM_GREEN_SIZE: |
| glGetIntegerv(GL_ACCUM_GREEN_BITS, (GLint*)value); |
| break; |
| case SDL_GL_ACCUM_BLUE_SIZE: |
| glGetIntegerv(GL_ACCUM_BLUE_BITS, (GLint*)value); |
| break; |
| case SDL_GL_ACCUM_ALPHA_SIZE: |
| glGetIntegerv(GL_ACCUM_ALPHA_BITS, (GLint*)value); |
| break; |
| case SDL_GL_STEREO: |
| case SDL_GL_MULTISAMPLEBUFFERS: |
| case SDL_GL_MULTISAMPLESAMPLES: |
| default: |
| *value=0; |
| return(-1); |
| } |
| return 0; |
| } |
| |
| int BE_GL_MakeCurrent(_THIS) |
| { |
| /* FIXME: should we glview->unlock and then glview->lock()? */ |
| return 0; |
| } |
| |
| void BE_GL_SwapBuffers(_THIS) |
| { |
| SDL_Win->SwapBuffers(); |
| } |
| #endif |
| |
| /* Is the system palette settable? */ |
| int BE_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| { |
| int i; |
| SDL_Palette *palette; |
| const color_map *cmap = BScreen().ColorMap(); |
| |
| /* Get the screen colormap */ |
| palette = _this->screen->format->palette; |
| for ( i=0; i<256; ++i ) { |
| palette->colors[i].r = cmap->color_list[i].red; |
| palette->colors[i].g = cmap->color_list[i].green; |
| palette->colors[i].b = cmap->color_list[i].blue; |
| } |
| return(0); |
| } |
| |
| void BE_VideoQuit(_THIS) |
| { |
| int i, j; |
| |
| SDL_Win->Quit(); |
| SDL_Win = NULL; |
| |
| if ( SDL_BlankCursor != NULL ) { |
| BE_FreeWMCursor(_this, SDL_BlankCursor); |
| SDL_BlankCursor = NULL; |
| } |
| for ( i=0; i<NUM_MODELISTS; ++i ) { |
| if ( SDL_modelist[i] ) { |
| for ( j=0; SDL_modelist[i][j]; ++j ) { |
| SDL_free(SDL_modelist[i][j]); |
| } |
| SDL_free(SDL_modelist[i]); |
| SDL_modelist[i] = NULL; |
| } |
| } |
| /* Restore the original video mode */ |
| if ( _this->screen ) { |
| if ( (_this->screen->flags&SDL_FULLSCREEN) == SDL_FULLSCREEN ) { |
| BScreen bscreen; |
| bscreen.SetMode(&saved_mode); |
| } |
| _this->screen->pixels = NULL; |
| } |
| |
| #if SDL_VIDEO_OPENGL |
| if (_this->gl_config.dll_handle != NULL) |
| unload_add_on((image_id)_this->gl_config.dll_handle); |
| #endif |
| |
| SDL_QuitBeApp(); |
| } |
| |
| }; /* Extern C */ |