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authorBrian Paul <brian.paul@tungstengraphics.com>2002-03-29 17:27:59 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2002-03-29 17:27:59 +0000
commit103bc0f75c00dfcf671dc50d8d9666f88a42a59d (patch)
treea77d919e21188e7c1c36718fb317f5c43d39383e /src/mesa/main/enable.c
parent23d319fc7dda3ae3639c05cd2c7a8bcdac9eac36 (diff)
Replaced ClipEnabled[] array and _AnyClip with ClipPlanesEnabled bitmask.
Diffstat (limited to 'src/mesa/main/enable.c')
-rw-r--r--src/mesa/main/enable.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 385ceffb98..88361bd830 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -1,4 +1,4 @@
-/* $Id: enable.c,v 1.58 2002/03/28 22:45:45 brianp Exp $ */
+/* $Id: enable.c,v 1.59 2002/03/29 17:27:59 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -207,20 +207,18 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
case GL_CLIP_PLANE4:
case GL_CLIP_PLANE5:
{
- GLuint p = cap - GL_CLIP_PLANE0;
+ const GLuint p = cap - GL_CLIP_PLANE0;
- if (ctx->Transform.ClipEnabled[p] == state)
+ if ((ctx->Transform.ClipPlanesEnabled & (1 << p)) == (state << p))
return;
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- ctx->Transform.ClipEnabled[p] = state;
if (state) {
- ctx->Transform._AnyClip++;
+ ctx->Transform.ClipPlanesEnabled |= (1 << p);
- if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY) {
+ if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY)
_math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
- }
/* This derived state also calculated in clip.c and
* from _mesa_update_state() on changes to EyeUserPlane
@@ -231,7 +229,7 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
ctx->ProjectionMatrixStack.Top->inv );
}
else {
- ctx->Transform._AnyClip--;
+ ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
}
}
break;
@@ -930,7 +928,7 @@ _mesa_IsEnabled( GLenum cap )
case GL_CLIP_PLANE3:
case GL_CLIP_PLANE4:
case GL_CLIP_PLANE5:
- return ctx->Transform.ClipEnabled[cap-GL_CLIP_PLANE0];
+ return (ctx->Transform.ClipPlanesEnabled >> (cap - GL_CLIP_PLANE0)) & 1;
case GL_COLOR_MATERIAL:
return ctx->Light.ColorMaterialEnabled;
case GL_CULL_FACE: