OpenHarmony/third_party_mesa3d
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removed unused tiny triangle test code

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This commit is contained in:
Brian Paul
2001-07-14 16:05:44 +00:00
parent ee6cf4c6b0
commit ac3958ea1b
1 changed files with 4 additions and 26 deletions
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30
src/mesa/swrast/s_tritemp.h
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@@ -1,4 +1,4 @@
/* $Id: s_tritemp.h,v 1.20 2001/07/13 20:07:37 brianp Exp $ */ /* $Id: s_tritemp.h,v 1.21 2001/07/14 16:05:44 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -94,8 +94,7 @@
GLfloat oneOverArea; GLfloat oneOverArea;
const SWvertex *vMin, *vMid, *vMax; /* Y(vMin)<=Y(vMid)<=Y(vMax) */ const SWvertex *vMin, *vMid, *vMax; /* Y(vMin)<=Y(vMid)<=Y(vMax) */
float bf = SWRAST_CONTEXT(ctx)->_backface_sign; float bf = SWRAST_CONTEXT(ctx)->_backface_sign;
GLboolean tiny; const GLint snapMask = ~((FIXED_ONE / 16) - 1); /* for x/y coord snapping */
const GLint snapMask = ~((FIXED_ONE / 16) - 1); /* for x/y coord snapping */
GLfixed vMin_fx, vMin_fy, vMid_fx, vMid_fy, vMax_fx, vMax_fy; GLfixed vMin_fx, vMin_fy, vMid_fx, vMid_fy, vMax_fx, vMax_fy;
struct triangle_span span; struct triangle_span span;
@@ -180,19 +179,7 @@
if (area == 0.0F) if (area == 0.0F)
return; return;
/* This may not be needed anymore. Let's see if anyone reports a problem. */ oneOverArea = 1.0F / area;
#if 0
/* check for very tiny triangle */
if (area * area < (0.001F * 0.001F)) { /* square to ensure positive value */
oneOverArea = 1.0F / 0.001F; /* a close-enough value */
tiny = GL_TRUE;
}
else
#endif
{
oneOverArea = 1.0F / area;
tiny = GL_FALSE;
}
} }
#ifndef DO_OCCLUSION_TEST #ifndef DO_OCCLUSION_TEST
@@ -358,16 +345,7 @@
#endif #endif
#ifdef INTERP_RGB #ifdef INTERP_RGB
span.activeMask |= SPAN_RGBA; span.activeMask |= SPAN_RGBA;
if (tiny) { {
/* This is kind of a hack to eliminate RGB color over/underflow
* problems when rendering very tiny triangles. We're not doing
* anything with alpha or specular color at this time.
*/
drdx = drdy = 0.0; span.redStep = 0;
dgdx = dgdy = 0.0; span.greenStep = 0;
dbdx = dbdy = 0.0; span.blueStep = 0;
}
else {
GLfloat eMaj_dr, eBot_dr; GLfloat eMaj_dr, eBot_dr;
GLfloat eMaj_dg, eBot_dg; GLfloat eMaj_dg, eBot_dg;
GLfloat eMaj_db, eBot_db; GLfloat eMaj_db, eBot_db;