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Diffstat (limited to 'src/mesa/swrast/s_stencil.h')
-rw-r--r-- | src/mesa/swrast/s_stencil.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_stencil.h b/src/mesa/swrast/s_stencil.h new file mode 100644 index 00000000000..80e6a67213c --- /dev/null +++ b/src/mesa/swrast/s_stencil.h @@ -0,0 +1,64 @@ +/* $Id: s_stencil.h,v 1.1 2000/10/31 18:00:04 keithw Exp $ */ + +/* + * Mesa 3-D graphics library + * Version: 3.3 + * + * Copyright (C) 1999-2000 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"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef S_STENCIL_H +#define S_STENCIL_H + + +#include "types.h" +#include "swrast.h" + + +extern GLboolean +_mesa_stencil_and_ztest_span( GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLdepth z[], GLubyte mask[] ); + +extern GLboolean +_mesa_stencil_and_ztest_pixels( GLcontext *ctx, GLuint n, + const GLint x[], const GLint y[], + const GLdepth z[], GLubyte mask[] ); + + +extern void +_mesa_read_stencil_span( GLcontext *ctx, GLint n, GLint x, GLint y, + GLstencil stencil[] ); + + +extern void +_mesa_write_stencil_span( GLcontext *ctx, GLint n, GLint x, GLint y, + const GLstencil stencil[] ); + + +extern void +_mesa_alloc_stencil_buffer( GLcontext *ctx ); + + +extern void +_mesa_clear_stencil_buffer( GLcontext *ctx ); + + +#endif |