From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc (limited to 'contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc') diff --git a/contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc b/contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc new file mode 100644 index 0000000..d152255 --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc @@ -0,0 +1,128 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + 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" + +#ifdef SDL_VIDEO_DRIVER_HAIKU + +#include "SDL_bframebuffer.h" + +#include +#include +#include "SDL_bmodes.h" +#include "SDL_BWin.h" + +#include "../../core/haiku/SDL_BApp.h" + +#ifdef __cplusplus +extern "C" { +#endif + +static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) +{ + return (SDL_BWin *)(window->internal); +} + +static SDL_INLINE SDL_BLooper *_GetBeLooper() +{ + return SDL_Looper; +} + +bool HAIKU_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window, SDL_PixelFormat * format, void ** pixels, int *pitch) +{ + SDL_BWin *bwin = _ToBeWin(window); + BScreen bscreen; + if (!bscreen.IsValid()) { + return false; + } + + // Make sure we have exclusive access to frame buffer data + bwin->LockBuffer(); + + bwin->CreateView(); + + // format + display_mode bmode; + bscreen.GetMode(&bmode); + *format = HAIKU_ColorSpaceToSDLPxFormat(bmode.space); + + // 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) { + delete bitmap; + return SDL_SetError("Could not initialize back buffer!"); + } + + + bwin->SetBitmap(bitmap); + + // Set the pixel pointer + *pixels = bitmap->Bits(); + + // pitch = width of window, in bytes + *pitch = bitmap->BytesPerRow(); + + bwin->UnlockBuffer(); + return true; +} + + + +bool HAIKU_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window, + const SDL_Rect * rects, int numrects) { + if (!window) { + return true; + } + + SDL_BWin *bwin = _ToBeWin(window); + + bwin->PostMessage(BWIN_UPDATE_FRAMEBUFFER); + + return true; +} + +void HAIKU_DestroyWindowFramebuffer(SDL_VideoDevice *_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->RemoveView(); + + bwin->UnlockBuffer(); +} + +#ifdef __cplusplus +} +#endif + +#endif // SDL_VIDEO_DRIVER_HAIKU -- cgit v1.2.3