1al_have_opengl_extension(3) al_have_opengl_extension(3)
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6 al_have_opengl_extension - Allegro 5 API
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9 #include <allegro5/allegro_opengl.h>
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11 bool al_have_opengl_extension(const char *extension)
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14 This function is a helper to determine whether an OpenGL extension is
15 available on the given display or not.
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17 Example:
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19 bool packedpixels = al_have_opengl_extension("GL_EXT_packed_pixels");
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21 If packedpixels is true then you can safely use the constants related
22 to the packed pixels extension.
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24 Returns true if the extension is available; false otherwise.
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28Allegro reference manual al_have_opengl_extension(3)