aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/main/light.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main/light.c')
-rw-r--r--src/mesa/main/light.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 4c39d2ff4c9..98934f39820 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.3
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 Brian Paul 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"),
@@ -114,7 +114,7 @@ _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params )
case GL_SPOT_DIRECTION: {
GLfloat tmp[4];
/* transform direction by inverse modelview */
- if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) {
+ if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
_math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
}
TRANSFORM_NORMAL( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
@@ -1107,10 +1107,7 @@ static void
update_modelview_scale( GLcontext *ctx )
{
ctx->_ModelViewInvScale = 1.0F;
- if (ctx->ModelviewMatrixStack.Top->flags & (MAT_FLAG_UNIFORM_SCALE |
- MAT_FLAG_GENERAL_SCALE |
- MAT_FLAG_GENERAL_3D |
- MAT_FLAG_GENERAL) ) {
+ if (!_math_matrix_is_length_preserving(ctx->ModelviewMatrixStack.Top)) {
const GLfloat *m = ctx->ModelviewMatrixStack.Top->inv;
GLfloat f = m[2] * m[2] + m[6] * m[6] + m[10] * m[10];
if (f < 1e-12) f = 1.0;
@@ -1139,8 +1136,7 @@ _mesa_update_tnl_spaces( GLcontext *ctx, GLuint new_state )
ctx->_NeedEyeCoords = 1;
if (ctx->Light.Enabled &&
- !TEST_MAT_FLAGS( ctx->ModelviewMatrixStack.Top,
- MAT_FLAGS_LENGTH_PRESERVING))
+ !_math_matrix_is_length_preserving(ctx->ModelviewMatrixStack.Top))
ctx->_NeedEyeCoords = 1;