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NeedEyeCoords if non-uniform scale transform

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This commit is contained in:
Brian Paul
2000-06-30 14:14:37 +00:00
parent fd9f740045
commit 20df8f5f92
1 changed files with 7 additions and 3 deletions
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10
src/mesa/main/state.c
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@@ -1,4 +1,4 @@
/* $Id: state.c,v 1.20 2000/06/27 04:33:59 brianp Exp $ */
/* $Id: state.c,v 1.21 2000/06/30 14:14:37 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1177,8 +1177,12 @@ void gl_update_state( GLcontext *ctx )
ctx->NeedEyeNormals = GL_FALSE;
if (ctx->Light.Enabled) {
if ((ctx->Light.Flags & LIGHT_POSITIONAL) || ctx->Light.NeedVertices){
/* Need length for attenuation or need angle for spotlights */
if ((ctx->Light.Flags & LIGHT_POSITIONAL) ||
ctx->Light.NeedVertices ||
!TEST_MAT_FLAGS( &ctx->ModelView, MAT_FLAGS_LENGTH_PRESERVING)) {
/* Need length for attenuation or need angle for spotlights
* or non-uniform scale matrix
*/
ctx->NeedEyeCoords = GL_TRUE;
}
ctx->NeedEyeNormals = ctx->NeedEyeCoords;