62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
//========================================================================
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// This is a small test application for GLFW.
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// The program lists all available fullscreen video modes.
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//========================================================================
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#include <GL/glfw3.h>
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#include <stdio.h>
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#include <stdlib.h>
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static void print_mode(GLFWvidmode* mode)
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{
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printf("%i x %i x %i (%i %i %i)\n",
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mode->width, mode->height,
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mode->redBits + mode->greenBits + mode->blueBits,
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mode->redBits, mode->greenBits, mode->blueBits);
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}
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int main(void)
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{
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GLFWdisplay displayHandle;
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GLFWvidmode dtmode, modes[400];
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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()));
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exit(EXIT_FAILURE);
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}
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// Show desktop video mode
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glfwGetDesktopMode(&dtmode);
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printf("Desktop mode: ");
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print_mode(&dtmode);
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displayHandle = GLFW_DISPLAY_INVALID_HANDLE;
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while( GLFW_DISPLAY_INVALID_HANDLE != ( displayHandle = glfwGetNextDisplay( displayHandle )))
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{
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printf( "Display name: %s\n"
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"Physical dimensions: %dmm x %dmm\n"
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"Logical position: (%d,%d)\n",
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glfwGetDisplayStringParam( displayHandle, GLFW_DISPLAY_PARAM_S_NAME ),
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glfwGetDisplayIntegerParam( displayHandle, GLFW_DISPLAY_PARAM_I_PHYS_WIDTH ),
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glfwGetDisplayIntegerParam( displayHandle, GLFW_DISPLAY_PARAM_I_PHYS_HEIGHT ),
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glfwGetDisplayIntegerParam( displayHandle, GLFW_DISPLAY_PARAM_I_SCREEN_X_POS ),
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glfwGetDisplayIntegerParam( displayHandle, GLFW_DISPLAY_PARAM_I_SCREEN_Y_POS )
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);
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// List available video modes
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modecount = glfwGetVideoModes(displayHandle, modes, sizeof(modes) / sizeof(GLFWvidmode));
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printf( "Available modes:\n" );
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for( i = 0; i < modecount; i ++ )
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{
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printf("%3i: ", i);
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print_mode(modes + i);
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}
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}
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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