diff options
Diffstat (limited to '3rdparty/SDL2/src/video/haiku/SDL_bframebuffer.cc')
-rw-r--r-- | 3rdparty/SDL2/src/video/haiku/SDL_bframebuffer.cc | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/3rdparty/SDL2/src/video/haiku/SDL_bframebuffer.cc b/3rdparty/SDL2/src/video/haiku/SDL_bframebuffer.cc deleted file mode 100644 index 5e6a300e8e2..00000000000 --- a/3rdparty/SDL2/src/video/haiku/SDL_bframebuffer.cc +++ /dev/null @@ -1,254 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_HAIKU - -#include "SDL_bframebuffer.h" - -#include <AppKit.h> -#include <InterfaceKit.h> -#include "SDL_bmodes.h" -#include "SDL_BWin.h" - -#include "../../main/haiku/SDL_BApp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -int32 BE_UpdateOnce(SDL_Window *window); - -static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) { - return ((SDL_BWin*)(window->driverdata)); -} - -static SDL_INLINE SDL_BApp *_GetBeApp() { - return ((SDL_BApp*)be_app); -} - -int BE_CreateWindowFramebuffer(_THIS, SDL_Window * window, - Uint32 * format, - void ** pixels, int *pitch) { - SDL_BWin *bwin = _ToBeWin(window); - BScreen bscreen; - if(!bscreen.IsValid()) { - return -1; - } - - while(!bwin->Connected()) { snooze(100); } - - /* Make sure we have exclusive access to frame buffer data */ - bwin->LockBuffer(); - - /* format */ - display_mode bmode; - bscreen.GetMode(&bmode); - int32 bpp = BE_ColorSpaceToBitsPerPixel(bmode.space); - *format = BE_BPPToSDLPxFormat(bpp); - - /* Create the new bitmap object */ - BBitmap *bitmap = bwin->GetBitmap(); - - if(bitmap) { - delete bitmap; - } - bitmap = new BBitmap(bwin->Bounds(), (color_space)bmode.space, - false, /* Views not accepted */ - true); /* Contiguous memory required */ - - if(bitmap->InitCheck() != B_OK) { - return SDL_SetError("Could not initialize back buffer!\n"); - } - - - bwin->SetBitmap(bitmap); - - /* Set the pixel pointer */ - *pixels = bitmap->Bits(); - - /* pitch = width of window, in bytes */ - *pitch = bitmap->BytesPerRow(); - - bwin->SetBufferExists(true); - bwin->SetTrashBuffer(false); - bwin->UnlockBuffer(); - return 0; -} - - - -int BE_UpdateWindowFramebuffer(_THIS, SDL_Window * window, - const SDL_Rect * rects, int numrects) { - if(!window) - return 0; - - SDL_BWin *bwin = _ToBeWin(window); - -#ifdef DRAWTHREAD - bwin->LockBuffer(); - bwin->SetBufferDirty(true); - bwin->UnlockBuffer(); -#else - bwin->SetBufferDirty(true); - BE_UpdateOnce(window); -#endif - - return 0; -} - -int32 BE_DrawThread(void *data) { - SDL_BWin *bwin = (SDL_BWin*)data; - - BScreen bscreen; - if(!bscreen.IsValid()) { - return -1; - } - - while(bwin->ConnectionEnabled()) { - if( bwin->Connected() && bwin->BufferExists() && bwin->BufferIsDirty() ) { - bwin->LockBuffer(); - BBitmap *bitmap = NULL; - bitmap = bwin->GetBitmap(); - int32 windowPitch = bitmap->BytesPerRow(); - int32 bufferPitch = bwin->GetRowBytes(); - uint8 *windowpx; - uint8 *bufferpx; - - int32 BPP = bwin->GetBytesPerPx(); - int32 windowSub = bwin->GetFbX() * BPP + - bwin->GetFbY() * windowPitch; - clipping_rect *clips = bwin->GetClips(); - int32 numClips = bwin->GetNumClips(); - int i, y; - - /* Blit each clipping rectangle */ - bscreen.WaitForRetrace(); - for(i = 0; i < numClips; ++i) { - clipping_rect rc = clips[i]; - /* Get addresses of the start of each clipping rectangle */ - int32 width = clips[i].right - clips[i].left + 1; - int32 height = clips[i].bottom - clips[i].top + 1; - bufferpx = bwin->GetBufferPx() + - clips[i].top * bufferPitch + clips[i].left * BPP; - windowpx = (uint8*)bitmap->Bits() + - clips[i].top * windowPitch + clips[i].left * BPP - - windowSub; - - /* Copy each row of pixels from the window buffer into the frame - buffer */ - for(y = 0; y < height; ++y) - { - - if(bwin->CanTrashWindowBuffer()) { - goto escape; /* Break out before the buffer is killed */ - } - - memcpy(bufferpx, windowpx, width * BPP); - bufferpx += bufferPitch; - windowpx += windowPitch; - } - } - - bwin->SetBufferDirty(false); -escape: - bwin->UnlockBuffer(); - } else { - snooze(16000); - } - } - - return B_OK; -} - -void BE_DestroyWindowFramebuffer(_THIS, SDL_Window * window) { - SDL_BWin *bwin = _ToBeWin(window); - - bwin->LockBuffer(); - - /* Free and clear the window buffer */ - BBitmap *bitmap = bwin->GetBitmap(); - delete bitmap; - bwin->SetBitmap(NULL); - bwin->SetBufferExists(false); - bwin->UnlockBuffer(); -} - - -/* - * TODO: - * This was written to test if certain errors were caused by threading issues. - * The specific issues have since become rare enough that they may have been - * solved, but I doubt it- they were pretty sporadic before now. - */ -int32 BE_UpdateOnce(SDL_Window *window) { - SDL_BWin *bwin = _ToBeWin(window); - BScreen bscreen; - if(!bscreen.IsValid()) { - return -1; - } - - if(bwin->ConnectionEnabled() && bwin->Connected()) { - bwin->LockBuffer(); - int32 windowPitch = window->surface->pitch; - int32 bufferPitch = bwin->GetRowBytes(); - uint8 *windowpx; - uint8 *bufferpx; - - int32 BPP = bwin->GetBytesPerPx(); - uint8 *windowBaseAddress = (uint8*)window->surface->pixels; - int32 windowSub = bwin->GetFbX() * BPP + - bwin->GetFbY() * windowPitch; - clipping_rect *clips = bwin->GetClips(); - int32 numClips = bwin->GetNumClips(); - int i, y; - - /* Blit each clipping rectangle */ - bscreen.WaitForRetrace(); - for(i = 0; i < numClips; ++i) { - clipping_rect rc = clips[i]; - /* Get addresses of the start of each clipping rectangle */ - int32 width = clips[i].right - clips[i].left + 1; - int32 height = clips[i].bottom - clips[i].top + 1; - bufferpx = bwin->GetBufferPx() + - clips[i].top * bufferPitch + clips[i].left * BPP; - windowpx = windowBaseAddress + - clips[i].top * windowPitch + clips[i].left * BPP - windowSub; - - /* Copy each row of pixels from the window buffer into the frame - buffer */ - for(y = 0; y < height; ++y) - { - memcpy(bufferpx, windowpx, width * BPP); - bufferpx += bufferPitch; - windowpx += windowPitch; - } - } - bwin->UnlockBuffer(); - } - return 0; -} - -#ifdef __cplusplus -} -#endif - -#endif /* SDL_VIDEO_DRIVER_HAIKU */ |