diff options
Diffstat (limited to '3rdparty/SDL2/src/video/mir/SDL_mirframebuffer.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/mir/SDL_mirframebuffer.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/3rdparty/SDL2/src/video/mir/SDL_mirframebuffer.c b/3rdparty/SDL2/src/video/mir/SDL_mirframebuffer.c deleted file mode 100644 index 775bc0797ae..00000000000 --- a/3rdparty/SDL2/src/video/mir/SDL_mirframebuffer.c +++ /dev/null @@ -1,134 +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. -*/ - -/* - Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com> -*/ - -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_MIR - -#include "SDL_mirevents.h" -#include "SDL_mirframebuffer.h" -#include "SDL_mirwindow.h" - -#include "SDL_mirdyn.h" - -int -MIR_CreateWindowFramebuffer(_THIS, SDL_Window* window, Uint32* format, - void** pixels, int* pitch) -{ - MIR_Data* mir_data = _this->driverdata; - - mir_data->software = SDL_TRUE; - - if (MIR_CreateWindow(_this, window) < 0) - return SDL_SetError("Failed to created a mir window."); - - *format = MIR_GetSDLPixelFormat(mir_data->pixel_format); - if (*format == SDL_PIXELFORMAT_UNKNOWN) - return SDL_SetError("Unknown pixel format"); - - *pitch = (((window->w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3); - - *pixels = SDL_malloc(window->h*(*pitch)); - if (*pixels == NULL) - return SDL_OutOfMemory(); - - return 0; -} - -int -MIR_UpdateWindowFramebuffer(_THIS, SDL_Window* window, - const SDL_Rect* rects, int numrects) -{ - MIR_Window* mir_window = window->driverdata; - - MirGraphicsRegion region; - MirBufferStream* bs; - int i, j, x, y, w, h, start; - int bytes_per_pixel, bytes_per_row, s_stride, d_stride; - char* s_dest; - char* pixels; - - bs = MIR_mir_surface_get_buffer_stream(mir_window->surface); - MIR_mir_buffer_stream_get_graphics_region(bs, ®ion); - - s_dest = region.vaddr; - pixels = (char*)window->surface->pixels; - - s_stride = window->surface->pitch; - d_stride = region.stride; - bytes_per_pixel = window->surface->format->BytesPerPixel; - - for (i = 0; i < numrects; i++) { - s_dest = region.vaddr; - pixels = (char*)window->surface->pixels; - - x = rects[i].x; - y = rects[i].y; - w = rects[i].w; - h = rects[i].h; - - if (w <= 0 || h <= 0 || (x + w) <= 0 || (y + h) <= 0) - continue; - - if (x < 0) { - x += w; - w += rects[i].x; - } - - if (y < 0) { - y += h; - h += rects[i].y; - } - - if (x + w > window->w) - w = window->w - x; - if (y + h > window->h) - h = window->h - y; - - start = y * s_stride + x; - pixels += start; - s_dest += start; - - bytes_per_row = bytes_per_pixel * w; - for (j = 0; j < h; j++) { - SDL_memcpy(s_dest, pixels, bytes_per_row); - pixels += s_stride; - s_dest += d_stride; - } - } - - MIR_mir_buffer_stream_swap_buffers_sync(bs); - - return 0; -} - -void -MIR_DestroyWindowFramebuffer(_THIS, SDL_Window* window) -{ -} - -#endif /* SDL_VIDEO_DRIVER_MIR */ - -/* vi: set ts=4 sw=4 expandtab: */ |