diff options
Diffstat (limited to '3rdparty/SDL2/src/video/windows/SDL_windowsframebuffer.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/windows/SDL_windowsframebuffer.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/3rdparty/SDL2/src/video/windows/SDL_windowsframebuffer.c b/3rdparty/SDL2/src/video/windows/SDL_windowsframebuffer.c deleted file mode 100644 index 7bb07ed2eca..00000000000 --- a/3rdparty/SDL2/src/video/windows/SDL_windowsframebuffer.c +++ /dev/null @@ -1,127 +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_WINDOWS - -#include "SDL_windowsvideo.h" - -int WIN_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch) -{ - SDL_WindowData *data = (SDL_WindowData *) window->driverdata; - size_t size; - LPBITMAPINFO info; - HBITMAP hbm; - - /* Free the old framebuffer surface */ - if (data->mdc) { - DeleteDC(data->mdc); - } - if (data->hbm) { - DeleteObject(data->hbm); - } - - /* Find out the format of the screen */ - size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); - info = (LPBITMAPINFO)SDL_stack_alloc(Uint8, size); - if (!info) { - return SDL_OutOfMemory(); - } - - SDL_memset(info, 0, size); - info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - - /* The second call to GetDIBits() fills in the bitfields */ - hbm = CreateCompatibleBitmap(data->hdc, 1, 1); - GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS); - GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS); - DeleteObject(hbm); - - *format = SDL_PIXELFORMAT_UNKNOWN; - if (info->bmiHeader.biCompression == BI_BITFIELDS) { - int bpp; - Uint32 *masks; - - bpp = info->bmiHeader.biPlanes * info->bmiHeader.biBitCount; - masks = (Uint32*)((Uint8*)info + info->bmiHeader.biSize); - *format = SDL_MasksToPixelFormatEnum(bpp, masks[0], masks[1], masks[2], 0); - } - if (*format == SDL_PIXELFORMAT_UNKNOWN) - { - /* We'll use RGB format for now */ - *format = SDL_PIXELFORMAT_RGB888; - - /* Create a new one */ - SDL_memset(info, 0, size); - info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - info->bmiHeader.biPlanes = 1; - info->bmiHeader.biBitCount = 32; - info->bmiHeader.biCompression = BI_RGB; - } - - /* Fill in the size information */ - *pitch = (((window->w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3); - info->bmiHeader.biWidth = window->w; - info->bmiHeader.biHeight = -window->h; /* negative for topdown bitmap */ - info->bmiHeader.biSizeImage = window->h * (*pitch); - - data->mdc = CreateCompatibleDC(data->hdc); - data->hbm = CreateDIBSection(data->hdc, info, DIB_RGB_COLORS, pixels, NULL, 0); - SDL_stack_free(info); - - if (!data->hbm) { - return WIN_SetError("Unable to create DIB"); - } - SelectObject(data->mdc, data->hbm); - - return 0; -} - -int WIN_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects) -{ - SDL_WindowData *data = (SDL_WindowData *) window->driverdata; - - BitBlt(data->hdc, 0, 0, window->w, window->h, data->mdc, 0, 0, SRCCOPY); - return 0; -} - -void WIN_DestroyWindowFramebuffer(_THIS, SDL_Window * window) -{ - SDL_WindowData *data = (SDL_WindowData *) window->driverdata; - - if (!data) { - /* The window wasn't fully initialized */ - return; - } - - if (data->mdc) { - DeleteDC(data->mdc); - data->mdc = NULL; - } - if (data->hbm) { - DeleteObject(data->hbm); - data->hbm = NULL; - } -} - -#endif /* SDL_VIDEO_DRIVER_WINDOWS */ - -/* vi: set ts=4 sw=4 expandtab: */ |