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annotate test/testloadso.c @ 2429:2c55b72ba46e gsoc2008_iphone

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testdyngles is exactly what it sounds like -- a version of testdyngl that uses OpenGL ES calls instead of OpenGL. Was necessary to create because glOrtho is called glOrthof in OpenGL ES, and OpenGL ES doesn't have glBegin() type semantics for specifying geometry.
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 15 Aug 2008 00:52:52 +0000
parents 2c835d58faad
children 9de326b3099c
rev   line source
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dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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1
dcdb175c2829 Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
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2 /* Test program to test dynamic loading with the loadso subsystem.
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3 */
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4
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5 #include <stdio.h>
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6 #include <stdlib.h>
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8 #include "SDL.h"
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10 typedef int (*fntype) (const char *);
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12 int
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13 main(int argc, char *argv[])
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14 {
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15 int retval = 0;
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16 int hello = 0;
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17 const char *libname = NULL;
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18 const char *symname = NULL;
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19 void *lib = NULL;
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20 fntype fn = NULL;
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22 if (argc != 3) {
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23 const char *app = argv[0];
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24 fprintf(stderr, "USAGE: %s <library> <functionname>\n", app);
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25 fprintf(stderr, " %s --hello <lib with puts()>\n", app);
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26 return 1;
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27 }
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29 /* Initialize SDL */
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30 if (SDL_Init(0) < 0) {
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31 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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32 return 2;
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33 }
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35 if (strcmp(argv[1], "--hello") == 0) {
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36 hello = 1;
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37 libname = argv[2];
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38 symname = "puts";
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39 } else {
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40 libname = argv[1];
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41 symname = argv[2];
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42 }
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44 lib = SDL_LoadObject(libname);
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45 if (lib == NULL) {
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46 fprintf(stderr, "SDL_LoadObject('%s') failed: %s\n",
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47 libname, SDL_GetError());
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48 retval = 3;
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49 } else {
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50 fn = (fntype) SDL_LoadFunction(lib, symname);
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51 if (fn == NULL) {
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52 fprintf(stderr, "SDL_LoadFunction('%s') failed: %s\n",
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53 symname, SDL_GetError());
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54 retval = 4;
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55 } else {
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56 printf("Found %s in %s at %p\n", symname, libname, fn);
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57 if (hello) {
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58 printf("Calling function...\n");
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59 fflush(stdout);
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60 fn(" HELLO, WORLD!\n");
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61 printf("...apparently, we survived. :)\n");
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62 printf("Unloading library...\n");
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63 fflush(stdout);
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64 }
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65 }
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66 SDL_UnloadObject(lib);
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67 }
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68 SDL_Quit();
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69 return (0);
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70 }