0,0 → 1,58 |
/* |
* 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. |
*/ |
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#ifndef S_DEPTH_H |
#define S_DEPTH_H |
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#include "main/mtypes.h" |
#include "s_span.h" |
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extern GLuint |
_swrast_depth_test_span( struct gl_context *ctx, SWspan *span); |
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extern void |
_swrast_depth_clamp_span( struct gl_context *ctx, SWspan *span ); |
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extern GLboolean |
_swrast_depth_bounds_test( struct gl_context *ctx, SWspan *span ); |
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extern void |
_swrast_read_depth_span_float( struct gl_context *ctx, struct gl_renderbuffer *rb, |
GLint n, GLint x, GLint y, GLfloat depth[] ); |
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extern void |
_swrast_read_depth_span_uint( struct gl_context *ctx, struct gl_renderbuffer *rb, |
GLint n, GLint x, GLint y, GLuint depth[] ); |
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extern void |
_swrast_clear_depth_buffer( struct gl_context *ctx, struct gl_renderbuffer *rb ); |
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#endif |