Mercurial > sdl-ios-xcode
view Xcode-iPhoneOS/Demos/src/common.c @ 3466:a288892cd24c
SDL_RenderReadPixels() needs to flush asynchronous operations before it reads.
The semantics are that it reads the back buffer, and those pixels may not be available once SDL_RenderPresent() has happened.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 21 Nov 2009 05:05:19 +0000 |
parents | 20326ba2bda2 |
children |
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/* * common.c * written by Holmes Futrell * use however you want */ #include "common.h" #include "SDL.h" #include <stdlib.h> /* Produces a random int x, min <= x <= max following a uniform distribution */ int randomInt(int min, int max) { return min + rand() % (max - min + 1); } /* Produces a random float x, min <= x <= max following a uniform distribution */ float randomFloat(float min, float max) { return rand() / (float) RAND_MAX *(max - min) + min; } void fatalError(const char *string) { printf("%s: %s\n", string, SDL_GetError()); exit(1); }