128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#ifdef SDL_VIDEO_DRIVER_HAIKU
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#include "SDL_bframebuffer.h"
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#include <AppKit.h>
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#include <InterfaceKit.h>
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#include "SDL_bmodes.h"
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#include "SDL_BWin.h"
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#include "../../core/haiku/SDL_BApp.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) {
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return (SDL_BWin *)(window->driverdata);
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}
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static SDL_INLINE SDL_BLooper *_GetBeLooper() {
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return SDL_Looper;
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}
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int HAIKU_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window,
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Uint32 * format,
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void ** pixels, int *pitch) {
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SDL_BWin *bwin = _ToBeWin(window);
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BScreen bscreen;
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if (!bscreen.IsValid()) {
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return -1;
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}
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/* Make sure we have exclusive access to frame buffer data */
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bwin->LockBuffer();
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bwin->CreateView();
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/* format */
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display_mode bmode;
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bscreen.GetMode(&bmode);
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*format = HAIKU_ColorSpaceToSDLPxFormat(bmode.space);
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/* Create the new bitmap object */
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BBitmap *bitmap = bwin->GetBitmap();
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if (bitmap) {
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delete bitmap;
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}
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bitmap = new BBitmap(bwin->Bounds(), (color_space)bmode.space,
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false, /* Views not accepted */
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true); /* Contiguous memory required */
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if (bitmap->InitCheck() != B_OK) {
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delete bitmap;
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return SDL_SetError("Could not initialize back buffer!");
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}
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bwin->SetBitmap(bitmap);
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/* Set the pixel pointer */
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*pixels = bitmap->Bits();
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/* pitch = width of window, in bytes */
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*pitch = bitmap->BytesPerRow();
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bwin->UnlockBuffer();
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return 0;
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}
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int HAIKU_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window,
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const SDL_Rect * rects, int numrects) {
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if (window == NULL) {
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return 0;
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}
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SDL_BWin *bwin = _ToBeWin(window);
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bwin->PostMessage(BWIN_UPDATE_FRAMEBUFFER);
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return 0;
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}
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void HAIKU_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window) {
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SDL_BWin *bwin = _ToBeWin(window);
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bwin->LockBuffer();
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/* Free and clear the window buffer */
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BBitmap *bitmap = bwin->GetBitmap();
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delete bitmap;
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bwin->SetBitmap(NULL);
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bwin->RemoveView();
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bwin->UnlockBuffer();
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* SDL_VIDEO_DRIVER_HAIKU */
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