better handling of GLX_DEPTH_SIZE in glXChooseVisual()
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@ -1,4 +1,4 @@
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/* $Id: fakeglx.c,v 1.37 2000/09/26 21:28:39 brianp Exp $ */
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/* $Id: fakeglx.c,v 1.38 2000/10/05 17:38:21 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -1050,15 +1050,16 @@ Fake_glXChooseVisual( Display *dpy, int screen, int *list )
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if (vis) {
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/* Note: we're not exactly obeying the glXChooseVisual rules here.
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* When GLX_DEPTH_SIZE = 1 is specified we're supposed to choose the
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* largest depth buffer size, which is 32bits/value. However, we
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* largest depth buffer size, which is 32bits/value. Instead, we
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* return 16 to maintain performance with earlier versions of Mesa.
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*/
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if (depth_size == 1)
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depth_size = DEFAULT_SOFTWARE_DEPTH_BITS;
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else if (depth_size > 24)
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depth_size = 31;
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if (depth_size > 24)
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depth_size = 31; /* 32 causes int overflow problems */
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else if (depth_size > 16)
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depth_size = 24;
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else if (depth_size > 0)
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depth_size = DEFAULT_SOFTWARE_DEPTH_BITS; /*16*/
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/* we only support one size of stencil and accum buffers. */
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if (stencil_size > 0)
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stencil_size = STENCIL_BITS;
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