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tnl: add some floating point sanity checks (disabled)

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This commit is contained in:
Brian Paul 2009-06-03 15:36:24 -06:00
parent ab4fd18584
commit 4f4280b435
1 changed files with 25 additions and 2 deletions
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27
src/mesa/tnl/t_vb_program.c
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@ -1,8 +1,9 @@
/*
* Mesa 3-D graphics library
* Version: 7.1
* Version: 7.6
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -46,6 +47,16 @@
#include "tnl/t_pipeline.h"
#ifdef NAN_CHECK
/** Check for NaNs and very large values */
static INLINE void
check_float(float x)
{
assert(!IS_INF_OR_NAN(x));
assert(1.0e-15 <= x && x <= 1.0e15);
}
#endif
/*!
* Private storage for the vertex program pipeline stage.
@ -351,6 +362,12 @@ run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
const GLuint size = VB->AttribPtr[attr]->size;
const GLuint stride = VB->AttribPtr[attr]->stride;
const GLfloat *data = (GLfloat *) (ptr + stride * i);
#ifdef NAN_CHECK
check_float(data[0]);
check_float(data[1]);
check_float(data[2]);
check_float(data[3]);
#endif
COPY_CLEAN_4V(machine.VertAttribs[attr], size, data);
}
}
@ -361,6 +378,12 @@ run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
/* copy the output registers into the VB->attribs arrays */
for (j = 0; j < numOutputs; j++) {
const GLuint attr = outputs[j];
#ifdef NAN_CHECK
check_float(machine.Outputs[attr][0]);
check_float(machine.Outputs[attr][1]);
check_float(machine.Outputs[attr][2]);
check_float(machine.Outputs[attr][3]);
#endif
COPY_4V(store->results[attr].data[i], machine.Outputs[attr]);
}
#if 0