| /* |
| * Mesa 3-D graphics library |
| * Version: 6.5.1 |
| * |
| * Copyright (C) 1999-2006 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_DEPTH_H |
| #define S_DEPTH_H |
| |
| |
| #include "mtypes.h" |
| #include "s_context.h" |
| |
| |
| extern GLuint |
| _swrast_depth_test_span( GLcontext *ctx, SWspan *span); |
| |
| |
| extern GLboolean |
| _swrast_depth_bounds_test( GLcontext *ctx, SWspan *span ); |
| |
| |
| extern void |
| _swrast_read_depth_span_float( GLcontext *ctx, struct gl_renderbuffer *rb, |
| GLint n, GLint x, GLint y, GLfloat depth[] ); |
| |
| |
| extern void |
| _swrast_read_depth_span_uint( GLcontext *ctx, struct gl_renderbuffer *rb, |
| GLint n, GLint x, GLint y, GLuint depth[] ); |
| |
| |
| extern void |
| _swrast_clear_depth_buffer( GLcontext *ctx, struct gl_renderbuffer *rb ); |
| |
| |
| #endif |
