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fixed potential bug in _mesa_ShadeModel()

This commit is contained in:
Brian Paul 1999-11-22 18:58:53 +00:00
parent 414b6e7c00
commit 8acb3a1238
1 changed files with 8 additions and 5 deletions
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13
src/mesa/main/light.c
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@ -1,4 +1,4 @@
/* $Id: light.c,v 1.9 1999/11/11 01:22:27 brianp Exp $ */
/* $Id: light.c,v 1.10 1999/11/22 18:58:53 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -54,9 +54,12 @@ _mesa_ShadeModel( GLenum mode )
fprintf(stderr, "glShadeModel %s\n", gl_lookup_enum_by_nr(mode));
if (mode == GL_FLAT || mode == GL_SMOOTH) {
if (ctx->Light.ShadeModel!=mode) {
if (ctx->Light.ShadeModel != mode) {
ctx->Light.ShadeModel = mode;
ctx->TriangleCaps ^= DD_FLATSHADE;
if (ctx->Light.ShadeModel == GL_FLAT)
SET_BITS(ctx->TriangleCaps, DD_FLATSHADE);
else
CLEAR_BITS(ctx->TriangleCaps, DD_FLATSHADE);
ctx->NewState |= NEW_RASTER_OPS;
if (ctx->Driver.ShadeModel)
(*ctx->Driver.ShadeModel)( ctx, mode );
@ -377,11 +380,11 @@ _mesa_LightModelfv( GLenum pname, const GLfloat *params )
case GL_LIGHT_MODEL_COLOR_CONTROL:
if (params[0] == (GLfloat) GL_SINGLE_COLOR) {
ctx->Light.Model.ColorControl = GL_SINGLE_COLOR;
ctx->TriangleCaps &= ~DD_SEPERATE_SPECULAR;
CLEAR_BITS(ctx->TriangleCaps, DD_SEPERATE_SPECULAR);
}
else if (params[0] == (GLfloat) GL_SEPARATE_SPECULAR_COLOR) {
ctx->Light.Model.ColorControl = GL_SEPARATE_SPECULAR_COLOR;
ctx->TriangleCaps |= DD_SEPERATE_SPECULAR;
SET_BITS(ctx->TriangleCaps, DD_SEPERATE_SPECULAR);
}
else {
gl_error( ctx, GL_INVALID_ENUM, "glLightModel(param)" );