2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 _mesa_swap2( GLushort
*p
, GLuint n
);
37 _mesa_swap4( GLuint
*p
, GLuint n
);
40 _mesa_type_is_packed(GLenum type
);
43 _mesa_sizeof_type( GLenum type
);
46 _mesa_sizeof_packed_type( GLenum type
);
49 _mesa_components_in_format( GLenum format
);
52 _mesa_bytes_per_pixel( GLenum format
, GLenum type
);
55 _mesa_is_legal_format_and_type( GLcontext
*ctx
, GLenum format
, GLenum type
);
59 _mesa_image_address( GLuint dimensions
,
60 const struct gl_pixelstore_attrib
*packing
,
62 GLsizei width
, GLsizei height
,
63 GLenum format
, GLenum type
,
64 GLint img
, GLint row
, GLint column
);
67 _mesa_image_address1d( const struct gl_pixelstore_attrib
*packing
,
70 GLenum format
, GLenum type
,
74 _mesa_image_address2d( const struct gl_pixelstore_attrib
*packing
,
76 GLsizei width
, GLsizei height
,
77 GLenum format
, GLenum type
,
78 GLint row
, GLint column
);
81 _mesa_image_address3d( const struct gl_pixelstore_attrib
*packing
,
83 GLsizei width
, GLsizei height
,
84 GLenum format
, GLenum type
,
85 GLint img
, GLint row
, GLint column
);
89 _mesa_image_row_stride( const struct gl_pixelstore_attrib
*packing
,
90 GLint width
, GLenum format
, GLenum type
);
94 _mesa_image_image_stride( const struct gl_pixelstore_attrib
*packing
,
95 GLint width
, GLint height
,
96 GLenum format
, GLenum type
);
99 _mesa_unpack_polygon_stipple( const GLubyte
*pattern
, GLuint dest
[32],
100 const struct gl_pixelstore_attrib
*unpacking
);
104 _mesa_pack_polygon_stipple( const GLuint pattern
[32], GLubyte
*dest
,
105 const struct gl_pixelstore_attrib
*packing
);
109 _mesa_unpack_bitmap( GLint width
, GLint height
, const GLubyte
*pixels
,
110 const struct gl_pixelstore_attrib
*packing
);
113 _mesa_pack_bitmap( GLint width
, GLint height
, const GLubyte
*source
,
114 GLubyte
*dest
, const struct gl_pixelstore_attrib
*packing
);
117 /** \name Pixel processing functions */
121 _mesa_scale_and_bias_rgba(GLuint n
, GLfloat rgba
[][4],
122 GLfloat rScale
, GLfloat gScale
,
123 GLfloat bScale
, GLfloat aScale
,
124 GLfloat rBias
, GLfloat gBias
,
125 GLfloat bBias
, GLfloat aBias
);
128 _mesa_map_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4]);
132 _mesa_transform_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4]);
136 _mesa_lookup_rgba_float(const struct gl_color_table
*table
,
137 GLuint n
, GLfloat rgba
[][4]);
140 _mesa_lookup_rgba_ubyte(const struct gl_color_table
*table
,
141 GLuint n
, GLubyte rgba
[][4]);
145 _mesa_map_ci_to_rgba(const GLcontext
*ctx
,
146 GLuint n
, const GLuint index
[], GLfloat rgba
[][4]);
150 _mesa_map_ci8_to_rgba8(const GLcontext
*ctx
, GLuint n
, const GLubyte index
[],
155 _mesa_scale_and_bias_depth(const GLcontext
*ctx
, GLuint n
,
156 GLfloat depthValues
[]);
159 _mesa_scale_and_bias_depth_uint(const GLcontext
*ctx
, GLuint n
,
160 GLuint depthValues
[]);
163 _mesa_apply_rgba_transfer_ops(GLcontext
*ctx
, GLbitfield transferOps
,
164 GLuint n
, GLfloat rgba
[][4]);
168 _mesa_apply_ci_transfer_ops(const GLcontext
*ctx
, GLbitfield transferOps
,
169 GLuint n
, GLuint indexes
[]);
173 _mesa_apply_stencil_transfer_ops(const GLcontext
*ctx
, GLuint n
,
174 GLstencil stencil
[]);
178 _mesa_pack_rgba_span_float( GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4],
179 GLenum dstFormat
, GLenum dstType
, GLvoid
*dstAddr
,
180 const struct gl_pixelstore_attrib
*dstPacking
,
181 GLbitfield transferOps
);
185 _mesa_unpack_color_span_chan( GLcontext
*ctx
,
186 GLuint n
, GLenum dstFormat
, GLchan dest
[],
187 GLenum srcFormat
, GLenum srcType
,
188 const GLvoid
*source
,
189 const struct gl_pixelstore_attrib
*srcPacking
,
190 GLbitfield transferOps
);
194 _mesa_unpack_color_span_float( GLcontext
*ctx
,
195 GLuint n
, GLenum dstFormat
, GLfloat dest
[],
196 GLenum srcFormat
, GLenum srcType
,
197 const GLvoid
*source
,
198 const struct gl_pixelstore_attrib
*srcPacking
,
199 GLbitfield transferOps
);
203 _mesa_unpack_index_span( const GLcontext
*ctx
, GLuint n
,
204 GLenum dstType
, GLvoid
*dest
,
205 GLenum srcType
, const GLvoid
*source
,
206 const struct gl_pixelstore_attrib
*srcPacking
,
207 GLbitfield transferOps
);
211 _mesa_pack_index_span( const GLcontext
*ctx
, GLuint n
,
212 GLenum dstType
, GLvoid
*dest
, const GLuint
*source
,
213 const struct gl_pixelstore_attrib
*dstPacking
,
214 GLbitfield transferOps
);
218 _mesa_unpack_stencil_span( const GLcontext
*ctx
, GLuint n
,
219 GLenum dstType
, GLvoid
*dest
,
220 GLenum srcType
, const GLvoid
*source
,
221 const struct gl_pixelstore_attrib
*srcPacking
,
222 GLbitfield transferOps
);
225 _mesa_pack_stencil_span( const GLcontext
*ctx
, GLuint n
,
226 GLenum dstType
, GLvoid
*dest
, const GLstencil
*source
,
227 const struct gl_pixelstore_attrib
*dstPacking
);
231 _mesa_unpack_depth_span( const GLcontext
*ctx
, GLuint n
,
232 GLenum dstType
, GLvoid
*dest
, GLuint depthMax
,
233 GLenum srcType
, const GLvoid
*source
,
234 const struct gl_pixelstore_attrib
*srcPacking
);
237 _mesa_pack_depth_span( const GLcontext
*ctx
, GLuint n
, GLvoid
*dest
,
238 GLenum dstType
, const GLfloat
*depthSpan
,
239 const struct gl_pixelstore_attrib
*dstPacking
);
243 _mesa_pack_depth_stencil_span(const GLcontext
*ctx
, GLuint n
, GLuint
*dest
,
244 const GLfloat
*depthVals
,
245 const GLstencil
*stencilVals
,
246 const struct gl_pixelstore_attrib
*dstPacking
);
250 _mesa_unpack_image( GLuint dimensions
,
251 GLsizei width
, GLsizei height
, GLsizei depth
,
252 GLenum format
, GLenum type
, const GLvoid
*pixels
,
253 const struct gl_pixelstore_attrib
*unpack
);
257 _mesa_convert_colors(GLenum srcType
, const GLvoid
*src
,
258 GLenum dstType
, GLvoid
*dst
,
259 GLuint count
, const GLubyte mask
[]);
263 _mesa_clip_drawpixels(const GLcontext
*ctx
,
264 GLint
*destX
, GLint
*destY
,
265 GLsizei
*width
, GLsizei
*height
,
266 struct gl_pixelstore_attrib
*unpack
);
270 _mesa_clip_readpixels(const GLcontext
*ctx
,
271 GLint
*destX
, GLint
*destY
,
272 GLsizei
*width
, GLsizei
*height
,
273 struct gl_pixelstore_attrib
*pack
);
276 _mesa_clip_copytexsubimage(const GLcontext
*ctx
,
277 GLint
*destX
, GLint
*destY
,
278 GLint
*srcX
, GLint
*srcY
,
279 GLsizei
*width
, GLsizei
*height
);
282 _mesa_clip_to_region(GLint xmin
, GLint ymin
,
283 GLint xmax
, GLint ymax
,
285 GLsizei
*width
, GLsizei
*height
);