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alphabuf.h
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1 /* $Id: alphabuf.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */
2 
3 /*
4  * Mesa 3-D graphics library
5  * Version: 2.0
6  * Copyright (C) 1995-1996 Brian Paul
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Library General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Library General Public License for more details.
17  *
18  * You should have received a copy of the GNU Library General Public
19  * License along with this library; if not, write to the Free
20  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 
23 
24 /*
25  * $Log: alphabuf.h,v $
26  * Revision 1.1 1996/09/13 01:38:16 brianp
27  * Initial revision
28  *
29  */
30 
31 
32 
33 #ifndef ALPHABUF_H
34 #define ALPHABUF_H
35 
36 
37 #include "types.h"
38 
39 
40 extern void gl_alloc_alpha_buffers( GLcontext* ctx );
41 
42 
43 extern void gl_clear_alpha_buffers( GLcontext* ctx );
44 
45 
46 extern void gl_write_alpha_span( GLcontext* ctx, GLuint n, GLint x, GLint y,
47  GLubyte alpha[], GLubyte mask[] );
48 
49 
50 extern void gl_write_mono_alpha_span( GLcontext* ctx,
51  GLuint n, GLint x, GLint y,
53 
54 
55 
56 extern void gl_write_alpha_pixels( GLcontext* ctx,
57  GLuint n, const GLint x[], const GLint y[],
58  const GLubyte alpha[],
59  const GLubyte mask[] );
60 
61 
62 extern void gl_write_mono_alpha_pixels( GLcontext* ctx,
63  GLuint n, const GLint x[],
64  const GLint y[], GLubyte alpha,
65  const GLubyte mask[] );
66 
67 
68 extern void gl_read_alpha_span( GLcontext* ctx,
69  GLuint n, GLint x, GLint y, GLubyte alpha[] );
70 
71 
72 extern void gl_read_alpha_pixels( GLcontext* ctx,
73  GLuint n, const GLint x[], const GLint y[],
74  GLubyte alpha[], const GLubyte mask[] );
75 
76 
77 #endif
78 
unsigned char GLubyte
Definition: gl.h:157
GLdouble n
Definition: glext.h:7729
void gl_clear_alpha_buffers(GLcontext *ctx)
Definition: alphabuf.c:108
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
void gl_write_mono_alpha_span(GLcontext *ctx, GLuint n, GLint x, GLint y, GLubyte alpha, GLubyte mask[])
Definition: alphabuf.c:177
GLenum GLint GLuint mask
Definition: glext.h:6028
void gl_write_alpha_span(GLcontext *ctx, GLuint n, GLint x, GLint y, GLubyte alpha[], GLubyte mask[])
Definition: alphabuf.c:155
void gl_write_alpha_pixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], const GLubyte alpha[], const GLubyte mask[])
Definition: alphabuf.c:199
void gl_alloc_alpha_buffers(GLcontext *ctx)
Definition: alphabuf.c:71
unsigned int GLuint
Definition: gl.h:159
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
void gl_read_alpha_span(GLcontext *ctx, GLuint n, GLint x, GLint y, GLubyte alpha[])
Definition: alphabuf.c:246
GLclampf GLclampf GLclampf alpha
Definition: gl.h:1740
int GLint
Definition: gl.h:156
void gl_read_alpha_pixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], GLubyte alpha[], const GLubyte mask[])
Definition: alphabuf.c:257
void gl_write_mono_alpha_pixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], GLubyte alpha, const GLubyte mask[])
Definition: alphabuf.c:222