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POUsing GL_SHORT instead of GL_FLOAT in an OpenGL ES vertex array
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2009-11-19T12:11:16.380
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I have this vertex array of a cube <pre><code>float vertex_coordinates [] = { -12.43796, -12.43796, 12.43796, -12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, -12.43796, 12.43796, -12.43796, -12.43796, 12.43796, 12.43796, -12.43796, -12.43796, 12.43796, 12.43796, -12.43796, -12.43796, 12.43796, -12.43796, -12.43796, 12.43796, -12.43796, -12.43796, -12.43796, -12.43796, 12.43796, -12.43796, -12.43796, -12.43796, -12.43796, -12.43796, -12.43796, 12.43796, -12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, -12.43796, 12.43796, -12.43796, -12.43796, -12.43796, 12.43796, -12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, -12.43796, -12.43796, 12.43796, -12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, -12.43796, -12.43796, -12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, 12.43796, 12.43796, -12.43796, -12.43796, -12.43796, -12.43796, -12.43796, }; </code></pre> At the moment I render it using <pre><code>glVertexPointer(3, GL_FLOAT, 0, vertex__coordinates); // texture pointer ... // colour pointer glDrawArrays(GL_TRIANGLES, 0, size); </code></pre> How would I go about converting the vertex array into values that would render precisely the same cube but instead using <code>GL_SHORT</code> as the second parameter to glVertexPointer in order to speed up my code?
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Using GL_SHORT instead of GL_FLOAT in an OpenGL ES vertex array
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