diff options
Diffstat (limited to 'src/mesa/main/enable.c')
| -rw-r--r-- | src/mesa/main/enable.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c index 385ceffb98f..88361bd8307 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: |