glfw/tests/listmodes.c

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//========================================================================
// This is a small test application for GLFW.
// The program lists all available fullscreen video modes.
//========================================================================
#include <GL/glfw3.h>
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#include <stdio.h>
#include <stdlib.h>
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static void print_mode(GLFWvidmode* mode)
{
printf("%i x %i x %i (%i %i %i)\n",
mode->width, mode->height,
mode->redBits + mode->greenBits + mode->blueBits,
mode->redBits, mode->greenBits, mode->blueBits);
}
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int main(void)
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{
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GLFWvidmode dtmode, modes[400];
int modecount, i;
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if (!glfwInit())
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{
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fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
exit(EXIT_FAILURE);
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}
// Show desktop video mode
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glfwGetDesktopMode(&dtmode);
printf("Desktop mode: ");
print_mode(&dtmode);
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// List available video modes
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modecount = glfwGetVideoModes(modes, sizeof(modes) / sizeof(GLFWvidmode));
printf("Available modes:\n");
for (i = 0; i < modecount; i++)
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{
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printf("%3i: ", i);
print_mode(modes + i);
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}
glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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