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https://github.com/Ryujinx/SDL.git
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b72938c861
An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
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* rectangles.c
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* written by Holmes Futrell
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* use however you want
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*/
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#include "SDL.h"
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#include <time.h>
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#include "common.h"
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void
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render(SDL_Renderer *renderer)
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{
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Uint8 r, g, b;
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/* Come up with a random rectangle */
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SDL_Rect rect;
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rect.w = randomInt(64, 128);
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rect.h = randomInt(64, 128);
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rect.x = randomInt(0, SCREEN_WIDTH);
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rect.y = randomInt(0, SCREEN_HEIGHT);
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/* Come up with a random color */
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r = randomInt(50, 255);
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g = randomInt(50, 255);
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b = randomInt(50, 255);
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/* Fill the rectangle in the color */
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SDL_SetRenderDrawColor(renderer, r, g, b, 255);
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SDL_RenderFillRect(renderer, &rect);
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/* update screen */
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SDL_RenderPresent(renderer);
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}
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int
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main(int argc, char *argv[])
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{
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if (SDL_Init(SDL_INIT_VIDEO/* | SDL_INIT_AUDIO */) < 0)
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{
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printf("Unable to initialize SDL");
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}
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SDL_LogSetAllPriority(SDL_LOG_PRIORITY_WARN);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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int landscape = 1;
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int modes = SDL_GetNumDisplayModes(0);
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int sx = 0, sy = 0;
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for (int i = 0; i < modes; i++)
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{
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SDL_DisplayMode mode;
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SDL_GetDisplayMode(0, i, &mode);
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if (landscape ? mode.w > sx : mode.h > sy)
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{
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sx = mode.w;
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sy = mode.h;
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}
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}
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printf("picked: %d %d\n", sx, sy);
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SDL_Window *_sdl_window = NULL;
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SDL_GLContext _sdl_context = NULL;
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_sdl_window = SDL_CreateWindow("fred",
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0, 0,
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sx, sy,
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SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS);
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SDL_SetHint("SDL_HINT_ORIENTATIONS", "LandscapeLeft LandscapeRight");
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int ax = 0, ay = 0;
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SDL_GetWindowSize(_sdl_window, &ax, &ay);
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printf("given: %d %d\n", ax, ay);
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return 0;
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}
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