7 * Mesa 3-D graphics library
10 * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 /** \name API functions */
41 extern void GLAPIENTRY
42 _mesa_GetPixelMapfv( GLenum map
, GLfloat
*values
);
44 extern void GLAPIENTRY
45 _mesa_GetPixelMapuiv( GLenum map
, GLuint
*values
);
47 extern void GLAPIENTRY
48 _mesa_GetPixelMapusv( GLenum map
, GLushort
*values
);
50 extern void GLAPIENTRY
51 _mesa_PixelMapfv( GLenum map
, GLsizei mapsize
, const GLfloat
*values
);
53 extern void GLAPIENTRY
54 _mesa_PixelMapuiv(GLenum map
, GLsizei mapsize
, const GLuint
*values
);
56 extern void GLAPIENTRY
57 _mesa_PixelMapusv(GLenum map
, GLsizei mapsize
, const GLushort
*values
);
59 extern void GLAPIENTRY
60 _mesa_PixelStoref( GLenum pname
, GLfloat param
);
63 extern void GLAPIENTRY
64 _mesa_PixelStorei( GLenum pname
, GLint param
);
66 extern void GLAPIENTRY
67 _mesa_PixelTransferf( GLenum pname
, GLfloat param
);
69 extern void GLAPIENTRY
70 _mesa_PixelTransferi( GLenum pname
, GLint param
);
72 extern void GLAPIENTRY
73 _mesa_PixelZoom( GLfloat xfactor
, GLfloat yfactor
);
78 /** \name Pixel processing functions */
82 _mesa_scale_and_bias_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4],
83 GLfloat rScale
, GLfloat gScale
,
84 GLfloat bScale
, GLfloat aScale
,
85 GLfloat rBias
, GLfloat gBias
,
86 GLfloat bBias
, GLfloat aBias
);
89 _mesa_map_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4]);
93 _mesa_transform_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4]);
97 _mesa_lookup_rgba_float(const struct gl_color_table
*table
,
98 GLuint n
, GLfloat rgba
[][4]);
101 _mesa_lookup_rgba_chan(const struct gl_color_table
*table
,
102 GLuint n
, GLchan rgba
[][4]);
106 _mesa_shift_and_offset_ci(const GLcontext
*ctx
, GLuint n
,
111 _mesa_map_ci(const GLcontext
*ctx
, GLuint n
, GLuint index
[]);
115 _mesa_map_ci_to_rgba_chan(const GLcontext
*ctx
,
116 GLuint n
, const GLuint index
[],
121 _mesa_map_ci_to_rgba(const GLcontext
*ctx
,
122 GLuint n
, const GLuint index
[], GLfloat rgba
[][4]);
126 _mesa_map_ci8_to_rgba(const GLcontext
*ctx
,
127 GLuint n
, const GLubyte index
[],
132 _mesa_shift_and_offset_stencil(const GLcontext
*ctx
, GLuint n
,
133 GLstencil indexes
[]);
137 _mesa_map_stencil(const GLcontext
*ctx
, GLuint n
, GLstencil index
[]);
141 _mesa_chan_to_float_span(const GLcontext
*ctx
, GLuint n
,
142 CONST GLchan rgba
[][4], GLfloat rgbaf
[][4]);
146 _mesa_update_pixel( GLcontext
*ctx
, GLuint newstate
);
149 _mesa_init_pixel( GLcontext
* ctx
);