diff options
| -rw-r--r-- | src/mesa/main/attrib.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c index 139a5d030f..aad2ee7f8f 100644 --- a/src/mesa/main/attrib.c +++ b/src/mesa/main/attrib.c @@ -1,10 +1,10 @@ -/* $Id: attrib.c,v 1.60 2002/02/13 00:53:19 keithw Exp $ */ +/* $Id: attrib.c,v 1.61 2002/03/28 22:42:41 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.5 + * Version: 4.1 * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2002 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"), @@ -33,7 +33,6 @@ #include "attrib.h" #include "blend.h" #include "buffers.h" -#include "clip.h" #include "colormac.h" #include "context.h" #include "depth.h" @@ -1050,17 +1049,27 @@ _mesa_PopAttrib(void) const struct gl_transform_attrib *xform; xform = (const struct gl_transform_attrib *) attr->data; _mesa_MatrixMode(xform->MatrixMode); + + if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY) + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + + /* restore clip planes */ for (i = 0; i < MAX_CLIP_PLANES; i++) { - GLdouble equation[4]; - const GLfloat *eq = xform->EyeUserPlane[i]; - _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, - xform->ClipEnabled[i]); - equation[0] = (GLdouble) eq[0]; - equation[1] = (GLdouble) eq[1]; - equation[2] = (GLdouble) eq[2]; - equation[3] = (GLdouble) eq[3]; - _mesa_ClipPlane( GL_CLIP_PLANE0 + i, equation ); + const GLfloat *eyePlane = xform->EyeUserPlane[i]; + COPY_4V(ctx->Transform.EyeUserPlane[i], eyePlane); + if (xform->ClipEnabled[i]) { + _mesa_transform_vector( ctx->Transform._ClipUserPlane[i], + eyePlane, + ctx->ProjectionMatrixStack.Top->inv ); + _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_TRUE); + } + else { + _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_FALSE); + } + if (ctx->Driver.ClipPlane) + ctx->Driver.ClipPlane( ctx, i, eyePlane ); } + /* normalize/rescale */ _mesa_set_enable(ctx, GL_NORMALIZE, ctx->Transform.Normalize); _mesa_set_enable(ctx, GL_RESCALE_NORMAL_EXT, |