test/testgles.c - external/github.com/libsdl-org/SDL - Git at Google

 /*
   Copyright (C) 1997-2019 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.
 */
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <math.h>

 #include "SDL_test_common.h"

 #if defined(__IPHONEOS__) || defined(__ANDROID__)
 #define HAVE_OPENGLES
 #endif

 #ifdef HAVE_OPENGLES

 #include "SDL_opengles.h"

 static SDLTest_CommonState *state;
 static SDL_GLContext *context = NULL;
 static int depth = 16;

 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
 static void
 quit(int rc)
 {
     int i;

     if (context != NULL) {
         for (i = 0; i < state->num_windows; i++) {
             if (context[i]) {
                 SDL_GL_DeleteContext(context[i]);
             }
         }

         SDL_free(context);
     }

     SDLTest_CommonQuit(state);
     exit(rc);
 }

 static void
 Render()
 {
     static GLubyte color[8][4] = { {255, 0, 0, 0},
     {255, 0, 0, 255},
     {0, 255, 0, 255},
     {0, 255, 0, 255},
     {0, 255, 0, 255},
     {255, 255, 255, 255},
     {255, 0, 255, 255},
     {0, 0, 255, 255}
     };
     static GLfloat cube[8][3] = { {0.5, 0.5, -0.5},
     {0.5f, -0.5f, -0.5f},
     {-0.5f, -0.5f, -0.5f},
     {-0.5f, 0.5f, -0.5f},
     {-0.5f, 0.5f, 0.5f},
     {0.5f, 0.5f, 0.5f},
     {0.5f, -0.5f, 0.5f},
     {-0.5f, -0.5f, 0.5f}
     };
     static GLubyte indices[36] = { 0, 3, 4,
         4, 5, 0,
         0, 5, 6,
         6, 1, 0,
         6, 7, 2,
         2, 1, 6,
         7, 4, 3,
         3, 2, 7,
         5, 4, 7,
         7, 6, 5,
         2, 3, 1,
         3, 0, 1
     };


     /* Do our drawing, too. */
     glClearColor(0.0, 0.0, 0.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

     /* Draw the cube */
     glColorPointer(4, GL_UNSIGNED_BYTE, 0, color);
     glEnableClientState(GL_COLOR_ARRAY);
     glVertexPointer(3, GL_FLOAT, 0, cube);
     glEnableClientState(GL_VERTEX_ARRAY);
     glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices);

     glMatrixMode(GL_MODELVIEW);
     glRotatef(5.0, 1.0, 1.0, 1.0);
 }

 int
 main(int argc, char *argv[])
 {
     int fsaa, accel;
     int value;
     int i, done;
     SDL_DisplayMode mode;
     SDL_Event event;
     Uint32 then, now, frames;
     int status;

     /* Enable standard application logging */
     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

     /* Initialize parameters */
     fsaa = 0;
     accel = 0;

     /* Initialize test framework */
     state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
     if (!state) {
         return 1;
     }
     for (i = 1; i < argc;) {
         int consumed;

         consumed = SDLTest_CommonArg(state, i);
         if (consumed == 0) {
             if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
                 ++fsaa;
                 consumed = 1;
             } else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
                 ++accel;
                 consumed = 1;
             } else if (SDL_strcasecmp(argv[i], "--zdepth") == 0) {
                 i++;
                 if (!argv[i]) {
                     consumed = -1;
                 } else {
                     depth = SDL_atoi(argv[i]);
                     consumed = 1;
                 }
             } else {
                 consumed = -1;
             }
         }
         if (consumed < 0) {
             static const char *options[] = { "[--fsaa]", "[--accel]", "[--zdepth %d]", NULL };
             SDLTest_CommonLogUsage(state, argv[0], options);
             quit(1);
         }
         i += consumed;
     }

     /* Set OpenGL parameters */
     state->window_flags |= SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_BORDERLESS;
     state->gl_red_size = 5;
     state->gl_green_size = 5;
     state->gl_blue_size = 5;
     state->gl_depth_size = depth;
     state->gl_major_version = 1;
     state->gl_minor_version = 1;
     state->gl_profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
     if (fsaa) {
         state->gl_multisamplebuffers=1;
         state->gl_multisamplesamples=fsaa;
     }
     if (accel) {
         state->gl_accelerated=1;
     }
     if (!SDLTest_CommonInit(state)) {
         quit(2);
     }

     context = (SDL_GLContext *)SDL_calloc(state->num_windows, sizeof(context));
     if (context == NULL) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!\n");
         quit(2);
     }

     /* Create OpenGL ES contexts */
     for (i = 0; i < state->num_windows; i++) {
         context[i] = SDL_GL_CreateContext(state->windows[i]);
         if (!context[i]) {
             SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GL_CreateContext(): %s\n", SDL_GetError());
             quit(2);
         }
     }

     if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
         SDL_GL_SetSwapInterval(1);
     } else {
         SDL_GL_SetSwapInterval(0);
     }

     SDL_GetCurrentDisplayMode(0, &mode);
     SDL_Log("Screen bpp: %d\n", SDL_BITSPERPIXEL(mode.format));
     SDL_Log("\n");
     SDL_Log("Vendor     : %s\n", glGetString(GL_VENDOR));
     SDL_Log("Renderer   : %s\n", glGetString(GL_RENDERER));
     SDL_Log("Version    : %s\n", glGetString(GL_VERSION));
     SDL_Log("Extensions : %s\n", glGetString(GL_EXTENSIONS));
     SDL_Log("\n");

     status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
     if (!status) {
         SDL_Log("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
     } else {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_RED_SIZE: %s\n",
                 SDL_GetError());
     }
     status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
     if (!status) {
         SDL_Log("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
     } else {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_GREEN_SIZE: %s\n",
                 SDL_GetError());
     }
     status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
     if (!status) {
         SDL_Log("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
     } else {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_BLUE_SIZE: %s\n",
                 SDL_GetError());
     }
     status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
     if (!status) {
         SDL_Log("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", depth, value);
     } else {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_DEPTH_SIZE: %s\n",
                 SDL_GetError());
     }
     if (fsaa) {
         status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
         if (!status) {
             SDL_Log("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
         } else {
             SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n",
                     SDL_GetError());
         }
         status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
         if (!status) {
             SDL_Log("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
                    value);
         } else {
             SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n",
                     SDL_GetError());
         }
     }
     if (accel) {
         status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
         if (!status) {
             SDL_Log("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
         } else {
             SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
                     SDL_GetError());
         }
     }

     /* Set rendering settings for each context */
     for (i = 0; i < state->num_windows; ++i) {
         float aspectAdjust;

         status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
         if (status) {
             SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());

             /* Continue for next window */
             continue;
         }

         aspectAdjust = (4.0f / 3.0f) / ((float)state->window_w / state->window_h);
         glViewport(0, 0, state->window_w, state->window_h);
         glMatrixMode(GL_PROJECTION);
         glLoadIdentity();
         glOrthof(-2.0, 2.0, -2.0 * aspectAdjust, 2.0 * aspectAdjust, -20.0, 20.0);
         glMatrixMode(GL_MODELVIEW);
         glLoadIdentity();
         glEnable(GL_DEPTH_TEST);
         glDepthFunc(GL_LESS);
         glShadeModel(GL_SMOOTH);
     }

     /* Main render loop */
     frames = 0;
     then = SDL_GetTicks();
     done = 0;
     while (!done) {
         /* Check for events */
         ++frames;
         while (SDL_PollEvent(&event)) {
             switch (event.type) {
             case SDL_WINDOWEVENT:
                 switch (event.window.event) {
                     case SDL_WINDOWEVENT_RESIZED:
                         for (i = 0; i < state->num_windows; ++i) {
                             if (event.window.windowID == SDL_GetWindowID(state->windows[i])) {
                                 status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
                                 if (status) {
                                     SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
                                     break;
                                 }
                                 /* Change view port to the new window dimensions */
                                 glViewport(0, 0, event.window.data1, event.window.data2);
                                 /* Update window content */
                                 Render();
                                 SDL_GL_SwapWindow(state->windows[i]);
                                 break;
                             }
                         }
                         break;
                 }
             }
             SDLTest_CommonEvent(state, &event, &done);
         }
         for (i = 0; i < state->num_windows; ++i) {
             if (state->windows[i] == NULL)
                 continue;
             status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
             if (status) {
                 SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());

                 /* Continue for next window */
                 continue;
             }
             Render();
             SDL_GL_SwapWindow(state->windows[i]);
         }
     }

     /* Print out some timing information */
     now = SDL_GetTicks();
     if (now > then) {
         SDL_Log("%2.2f frames per second\n",
                ((double) frames * 1000) / (now - then));
     }
 #if !defined(__ANDROID__)
     quit(0);
 #endif
     return 0;
 }

 #else /* HAVE_OPENGLES */

 int
 main(int argc, char *argv[])
 {
     SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "No OpenGL ES support on this system\n");
     return 1;
 }

 #endif /* HAVE_OPENGLES */

 /* vi: set ts=4 sw=4 expandtab: */
	/*
	Copyright (C) 1997-2019 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.
	*/
	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>
	#include <math.h>

	#include "SDL_test_common.h"

	#if defined(__IPHONEOS__) \|\| defined(__ANDROID__)
	#define HAVE_OPENGLES
	#endif

	#ifdef HAVE_OPENGLES

	#include "SDL_opengles.h"

	static SDLTest_CommonState *state;
	static SDL_GLContext *context = NULL;
	static int depth = 16;

	/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
	static void
	quit(int rc)
	{
	int i;

	if (context != NULL) {
	for (i = 0; i < state->num_windows; i++) {
	if (context[i]) {
	SDL_GL_DeleteContext(context[i]);
	}
	}

	SDL_free(context);
	}

	SDLTest_CommonQuit(state);
	exit(rc);
	}

	static void
	Render()
	{
	static GLubyte color[8][4] = { {255, 0, 0, 0},
	{255, 0, 0, 255},
	{0, 255, 0, 255},
	{0, 255, 0, 255},
	{0, 255, 0, 255},
	{255, 255, 255, 255},
	{255, 0, 255, 255},
	{0, 0, 255, 255}
	};
	static GLfloat cube[8][3] = { {0.5, 0.5, -0.5},
	{0.5f, -0.5f, -0.5f},
	{-0.5f, -0.5f, -0.5f},
	{-0.5f, 0.5f, -0.5f},
	{-0.5f, 0.5f, 0.5f},
	{0.5f, 0.5f, 0.5f},
	{0.5f, -0.5f, 0.5f},
	{-0.5f, -0.5f, 0.5f}
	};
	static GLubyte indices[36] = { 0, 3, 4,
	4, 5, 0,
	0, 5, 6,
	6, 1, 0,
	6, 7, 2,
	2, 1, 6,
	7, 4, 3,
	3, 2, 7,
	5, 4, 7,
	7, 6, 5,
	2, 3, 1,
	3, 0, 1
	};


	/* Do our drawing, too. */
	glClearColor(0.0, 0.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);

	/* Draw the cube */
	glColorPointer(4, GL_UNSIGNED_BYTE, 0, color);
	glEnableClientState(GL_COLOR_ARRAY);
	glVertexPointer(3, GL_FLOAT, 0, cube);
	glEnableClientState(GL_VERTEX_ARRAY);
	glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices);

	glMatrixMode(GL_MODELVIEW);
	glRotatef(5.0, 1.0, 1.0, 1.0);
	}

	int
	main(int argc, char *argv[])
	{
	int fsaa, accel;
	int value;
	int i, done;
	SDL_DisplayMode mode;
	SDL_Event event;
	Uint32 then, now, frames;
	int status;

	/* Enable standard application logging */
	SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

	/* Initialize parameters */
	fsaa = 0;
	accel = 0;

	/* Initialize test framework */
	state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
	if (!state) {
	return 1;
	}
	for (i = 1; i < argc;) {
	int consumed;

	consumed = SDLTest_CommonArg(state, i);
	if (consumed == 0) {
	if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
	++fsaa;
	consumed = 1;
	} else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
	++accel;
	consumed = 1;
	} else if (SDL_strcasecmp(argv[i], "--zdepth") == 0) {
	i++;
	if (!argv[i]) {
	consumed = -1;
	} else {
	depth = SDL_atoi(argv[i]);
	consumed = 1;
	}
	} else {
	consumed = -1;
	}
	}
	if (consumed < 0) {
	static const char *options[] = { "[--fsaa]", "[--accel]", "[--zdepth %d]", NULL };
	SDLTest_CommonLogUsage(state, argv[0], options);
	quit(1);
	}
	i += consumed;
	}

	/* Set OpenGL parameters */
	state->window_flags \|= SDL_WINDOW_OPENGL \| SDL_WINDOW_RESIZABLE \| SDL_WINDOW_BORDERLESS;
	state->gl_red_size = 5;
	state->gl_green_size = 5;
	state->gl_blue_size = 5;
	state->gl_depth_size = depth;
	state->gl_major_version = 1;
	state->gl_minor_version = 1;
	state->gl_profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
	if (fsaa) {
	state->gl_multisamplebuffers=1;
	state->gl_multisamplesamples=fsaa;
	}
	if (accel) {
	state->gl_accelerated=1;
	}
	if (!SDLTest_CommonInit(state)) {
	quit(2);
	}

	context = (SDL_GLContext *)SDL_calloc(state->num_windows, sizeof(context));
	if (context == NULL) {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!\n");
	quit(2);
	}

	/* Create OpenGL ES contexts */
	for (i = 0; i < state->num_windows; i++) {
	context[i] = SDL_GL_CreateContext(state->windows[i]);
	if (!context[i]) {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GL_CreateContext(): %s\n", SDL_GetError());
	quit(2);
	}
	}

	if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
	SDL_GL_SetSwapInterval(1);
	} else {
	SDL_GL_SetSwapInterval(0);
	}

	SDL_GetCurrentDisplayMode(0, &mode);
	SDL_Log("Screen bpp: %d\n", SDL_BITSPERPIXEL(mode.format));
	SDL_Log("\n");
	SDL_Log("Vendor : %s\n", glGetString(GL_VENDOR));
	SDL_Log("Renderer : %s\n", glGetString(GL_RENDERER));
	SDL_Log("Version : %s\n", glGetString(GL_VERSION));
	SDL_Log("Extensions : %s\n", glGetString(GL_EXTENSIONS));
	SDL_Log("\n");

	status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
	if (!status) {
	SDL_Log("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_RED_SIZE: %s\n",
	SDL_GetError());
	}
	status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
	if (!status) {
	SDL_Log("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_GREEN_SIZE: %s\n",
	SDL_GetError());
	}
	status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
	if (!status) {
	SDL_Log("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_BLUE_SIZE: %s\n",
	SDL_GetError());
	}
	status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
	if (!status) {
	SDL_Log("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", depth, value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_DEPTH_SIZE: %s\n",
	SDL_GetError());
	}
	if (fsaa) {
	status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
	if (!status) {
	SDL_Log("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n",
	SDL_GetError());
	}
	status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
	if (!status) {
	SDL_Log("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
	value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n",
	SDL_GetError());
	}
	}
	if (accel) {
	status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
	if (!status) {
	SDL_Log("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
	} else {
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
	SDL_GetError());
	}
	}

	/* Set rendering settings for each context */
	for (i = 0; i < state->num_windows; ++i) {
	float aspectAdjust;

	status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
	if (status) {
	SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());

	/* Continue for next window */
	continue;
	}

	aspectAdjust = (4.0f / 3.0f) / ((float)state->window_w / state->window_h);
	glViewport(0, 0, state->window_w, state->window_h);
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	glOrthof(-2.0, 2.0, -2.0 * aspectAdjust, 2.0 * aspectAdjust, -20.0, 20.0);
	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
	glEnable(GL_DEPTH_TEST);
	glDepthFunc(GL_LESS);
	glShadeModel(GL_SMOOTH);
	}

	/* Main render loop */
	frames = 0;
	then = SDL_GetTicks();
	done = 0;
	while (!done) {
	/* Check for events */
	++frames;
	while (SDL_PollEvent(&event)) {
	switch (event.type) {
	case SDL_WINDOWEVENT:
	switch (event.window.event) {
	case SDL_WINDOWEVENT_RESIZED:
	for (i = 0; i < state->num_windows; ++i) {
	if (event.window.windowID == SDL_GetWindowID(state->windows[i])) {
	status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
	if (status) {
	SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
	break;
	}
	/* Change view port to the new window dimensions */
	glViewport(0, 0, event.window.data1, event.window.data2);
	/* Update window content */
	Render();
	SDL_GL_SwapWindow(state->windows[i]);
	break;
	}
	}
	break;
	}
	}
	SDLTest_CommonEvent(state, &event, &done);
	}
	for (i = 0; i < state->num_windows; ++i) {
	if (state->windows[i] == NULL)
	continue;
	status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
	if (status) {
	SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());

	/* Continue for next window */
	continue;
	}
	Render();
	SDL_GL_SwapWindow(state->windows[i]);
	}
	}

	/* Print out some timing information */
	now = SDL_GetTicks();
	if (now > then) {
	SDL_Log("%2.2f frames per second\n",
	((double) frames * 1000) / (now - then));
	}
	#if !defined(__ANDROID__)
	quit(0);
	#endif
	return 0;
	}

	#else /* HAVE_OPENGLES */

	int
	main(int argc, char *argv[])
	{
	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "No OpenGL ES support on this system\n");
	return 1;
	}

	#endif /* HAVE_OPENGLES */

	/* vi: set ts=4 sw=4 expandtab: */