X-Git-Url: http://git.mutantstargoat.com?p=winnie;a=blobdiff_plain;f=src%2Fsdl%2Fgfx.cc;fp=src%2Fsdl%2Fgfx.cc;h=0000000000000000000000000000000000000000;hp=7e098b9e4159fea0d79bc73592378aebe97aadf9;hb=b4c8d68e0357683cec82fb8a9c5a4447155b3192;hpb=9261ecb0ad85bdf8b21e17b7309ddaeb76a57d96 diff --git a/src/sdl/gfx.cc b/src/sdl/gfx.cc deleted file mode 100644 index 7e098b9..0000000 --- a/src/sdl/gfx.cc +++ /dev/null @@ -1,162 +0,0 @@ -/* -winnie - an experimental window system - -Copyright (C) 2013 Eleni Maria Stea - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program. If not, see . - -Author: Eleni Maria Stea -*/ - -#ifdef WINNIE_SDL -#include -#include -#include - -#include "gfx.h" -#include "shalloc.h" -#include "winnie.h" - -static SDL_Surface *fbsurf; - -struct Graphics { - Rect screen_rect; - Rect clipping_rect; - int color_depth; // bits per pixel - Pixmap *pixmap; -}; - -static Graphics *gfx; - -bool init_gfx() -{ - if(SDL_Init(SDL_INIT_VIDEO) == -1) { - fprintf(stderr, "failed to initialize SDL\n"); - return false; - } - - if(!(gfx = (Graphics*)sh_malloc(sizeof *gfx))) { - return false; - } - - get_subsys()->graphics_offset = (int)((char*)gfx - (char*)get_pool()); - - Rect scr_rect(0, 0, 1024, 768); - gfx->screen_rect = scr_rect; - gfx->color_depth = 32; - - if(!(fbsurf = SDL_SetVideoMode(gfx->screen_rect.width, gfx->screen_rect.height, gfx->color_depth, 0))) { - fprintf(stderr, "Failed to set video mode\n"); - return false; - } - SDL_ShowCursor(0); - - if(!(gfx->pixmap = (Pixmap*)sh_malloc(sizeof(Pixmap)))) { - fprintf(stderr, "Failed to allocate pixmap.\n"); - return false; - } - - gfx->pixmap->width = gfx->screen_rect.width; - gfx->pixmap->height = gfx->screen_rect.height; - - int fbsize = gfx->pixmap->width * gfx->pixmap->height * gfx->color_depth / 8; - if(!(gfx->pixmap->pixels = (unsigned char*)sh_malloc(fbsize))) { - fprintf(stderr, "failed to allocate the pixmap framebuffer.\n"); - return false; - } - - set_clipping_rect(gfx->screen_rect); - - return true; -} - -void destroy_gfx() -{ - sh_free(gfx->pixmap->pixels); - gfx->pixmap->pixels = 0; - sh_free(gfx->pixmap); - sh_free(gfx); - SDL_Quit(); -} - -unsigned char *get_framebuffer() -{ - return gfx->pixmap->pixels; -} - -Pixmap *get_framebuffer_pixmap() -{ - return gfx->pixmap; -} - -Rect get_screen_size() -{ - return gfx->screen_rect; -} - -int get_color_depth() -{ - return gfx->color_depth; -} - -void set_clipping_rect(const Rect &rect) -{ - gfx->clipping_rect = rect_intersection(rect, get_screen_size()); -} - -const Rect &get_clipping_rect() -{ - return gfx->clipping_rect; -} - - -void set_cursor_visibility(bool visible) -{ -} - -void gfx_update(const Rect &upd_rect) -{ - if(SDL_MUSTLOCK(fbsurf)) { - SDL_LockSurface(fbsurf); - } - - Rect rect = rect_intersection(upd_rect, gfx->screen_rect); - - unsigned char *sptr = gfx->pixmap->pixels + (rect.y * gfx->screen_rect.width + rect.x) * 4; - unsigned char *dptr = (unsigned char*)fbsurf->pixels + (rect.y * gfx->screen_rect.width + rect.x) * 4; - - for(int i=0; iscreen_rect.width * 4; - dptr += gfx->screen_rect.width * 4; - } - - if(SDL_MUSTLOCK(fbsurf)) { - SDL_UnlockSurface(fbsurf); - } - SDL_UpdateRect(fbsurf, rect.x, rect.y, rect.width, rect.height); -} - -void wait_vsync() -{ -} - -void get_rgb_order(int *r, int *g, int *b) -{ - *r = fbsurf->format->Rshift / 8; - *g = fbsurf->format->Gshift / 8; - *b = fbsurf->format->Bshift / 8; -} - -#endif // WINNIE_SDL