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don't clamp colors if GLchan==GLfloat in add_colors()

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This commit is contained in:
Brian Paul 2001-07-23 16:08:19 +00:00
parent 55180f4b92
commit 4fa5c1966a
1 changed files with 8 additions and 1 deletions
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9
src/mesa/swrast/s_span.c
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@ -1,4 +1,4 @@
/* $Id: s_span.c,v 1.15 2001/06/18 23:55:18 brianp Exp $ */
/* $Id: s_span.c,v 1.16 2001/07/23 16:08:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -777,12 +777,19 @@ add_colors(GLuint n, GLchan rgba[][4], CONST GLchan specular[][4] )
{
GLuint i;
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
/* no clamping */
rgba[i][RCOMP] += specular[i][RCOMP];
rgba[i][GCOMP] += specular[i][GCOMP];
rgba[i][BCOMP] += specular[i][BCOMP];
#else
GLint r = rgba[i][RCOMP] + specular[i][RCOMP];
GLint g = rgba[i][GCOMP] + specular[i][GCOMP];
GLint b = rgba[i][BCOMP] + specular[i][BCOMP];
rgba[i][RCOMP] = (GLchan) MIN2(r, CHAN_MAX);
rgba[i][GCOMP] = (GLchan) MIN2(g, CHAN_MAX);
rgba[i][BCOMP] = (GLchan) MIN2(b, CHAN_MAX);
#endif
}
}