> Seems to me that the call to glOrtho should be replaced by a call to > glViewport(x,y,width,height) and glDepthRange(near,far). Since your > vertices are already in viewport coordinates, according to the comment in > the code, how does something like the following work for you:
> glViewport(X, Y, width, height);
> checkGLcall("glViewport");
>
> /* depth ranges will be clamped to [0, 1] */
> glDepthRange(minZ, maxZ);
> checkGLcall("glDepthRange");
That code breaks half-life. The hl console is only dark brown rectangle in the
top right quarter, the in-game graphics isn't drawn.
What's the difference between glOrtho and glViewport/glDepthRange? I've
expected the code to be equal to the glOrtho call.
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