diff options
Diffstat (limited to 'contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc')
| -rw-r--r-- | contrib/SDL-3.2.8/src/video/haiku/SDL_bframebuffer.cc | 128 |
1 files changed, 128 insertions, 0 deletions
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 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_VIDEO_DRIVER_HAIKU | ||
| 24 | |||
| 25 | #include "SDL_bframebuffer.h" | ||
| 26 | |||
| 27 | #include <AppKit.h> | ||
| 28 | #include <InterfaceKit.h> | ||
| 29 | #include "SDL_bmodes.h" | ||
| 30 | #include "SDL_BWin.h" | ||
| 31 | |||
| 32 | #include "../../core/haiku/SDL_BApp.h" | ||
| 33 | |||
| 34 | #ifdef __cplusplus | ||
| 35 | extern "C" { | ||
| 36 | #endif | ||
| 37 | |||
| 38 | static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) | ||
| 39 | { | ||
| 40 | return (SDL_BWin *)(window->internal); | ||
| 41 | } | ||
| 42 | |||
| 43 | static SDL_INLINE SDL_BLooper *_GetBeLooper() | ||
| 44 | { | ||
| 45 | return SDL_Looper; | ||
| 46 | } | ||
| 47 | |||
| 48 | bool HAIKU_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window, SDL_PixelFormat * format, void ** pixels, int *pitch) | ||
| 49 | { | ||
| 50 | SDL_BWin *bwin = _ToBeWin(window); | ||
| 51 | BScreen bscreen; | ||
| 52 | if (!bscreen.IsValid()) { | ||
| 53 | return false; | ||
| 54 | } | ||
| 55 | |||
| 56 | // Make sure we have exclusive access to frame buffer data | ||
| 57 | bwin->LockBuffer(); | ||
| 58 | |||
| 59 | bwin->CreateView(); | ||
| 60 | |||
| 61 | // format | ||
| 62 | display_mode bmode; | ||
| 63 | bscreen.GetMode(&bmode); | ||
| 64 | *format = HAIKU_ColorSpaceToSDLPxFormat(bmode.space); | ||
| 65 | |||
| 66 | // Create the new bitmap object | ||
| 67 | BBitmap *bitmap = bwin->GetBitmap(); | ||
| 68 | |||
| 69 | if (bitmap) { | ||
| 70 | delete bitmap; | ||
| 71 | } | ||
| 72 | bitmap = new BBitmap(bwin->Bounds(), (color_space)bmode.space, | ||
| 73 | false, // Views not accepted | ||
| 74 | true); // Contiguous memory required | ||
| 75 | |||
| 76 | if (bitmap->InitCheck() != B_OK) { | ||
| 77 | delete bitmap; | ||
| 78 | return SDL_SetError("Could not initialize back buffer!"); | ||
| 79 | } | ||
| 80 | |||
| 81 | |||
| 82 | bwin->SetBitmap(bitmap); | ||
| 83 | |||
| 84 | // Set the pixel pointer | ||
| 85 | *pixels = bitmap->Bits(); | ||
| 86 | |||
| 87 | // pitch = width of window, in bytes | ||
| 88 | *pitch = bitmap->BytesPerRow(); | ||
| 89 | |||
| 90 | bwin->UnlockBuffer(); | ||
| 91 | return true; | ||
| 92 | } | ||
| 93 | |||
| 94 | |||
| 95 | |||
| 96 | bool HAIKU_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window, | ||
| 97 | const SDL_Rect * rects, int numrects) { | ||
| 98 | if (!window) { | ||
| 99 | return true; | ||
| 100 | } | ||
| 101 | |||
| 102 | SDL_BWin *bwin = _ToBeWin(window); | ||
| 103 | |||
| 104 | bwin->PostMessage(BWIN_UPDATE_FRAMEBUFFER); | ||
| 105 | |||
| 106 | return true; | ||
| 107 | } | ||
| 108 | |||
| 109 | void HAIKU_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window * window) { | ||
| 110 | SDL_BWin *bwin = _ToBeWin(window); | ||
| 111 | |||
| 112 | bwin->LockBuffer(); | ||
| 113 | |||
| 114 | // Free and clear the window buffer | ||
| 115 | BBitmap *bitmap = bwin->GetBitmap(); | ||
| 116 | delete bitmap; | ||
| 117 | bwin->SetBitmap(NULL); | ||
| 118 | |||
| 119 | bwin->RemoveView(); | ||
| 120 | |||
| 121 | bwin->UnlockBuffer(); | ||
| 122 | } | ||
| 123 | |||
| 124 | #ifdef __cplusplus | ||
| 125 | } | ||
| 126 | #endif | ||
| 127 | |||
| 128 | #endif // SDL_VIDEO_DRIVER_HAIKU | ||
