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
);
58 _mesa_is_color_format(GLenum format
);
61 _mesa_is_index_format(GLenum format
);
64 _mesa_is_depth_format(GLenum format
);
67 _mesa_is_stencil_format(GLenum format
);
70 _mesa_is_ycbcr_format(GLenum format
);
73 _mesa_is_depthstencil_format(GLenum format
);
76 _mesa_is_depth_or_stencil_format(GLenum format
);
79 _mesa_is_dudv_format(GLenum format
);
82 _mesa_is_compressed_format(GLcontext
*ctx
, GLenum format
);
85 _mesa_image_address( GLuint dimensions
,
86 const struct gl_pixelstore_attrib
*packing
,
88 GLsizei width
, GLsizei height
,
89 GLenum format
, GLenum type
,
90 GLint img
, GLint row
, GLint column
);
93 _mesa_image_address1d( const struct gl_pixelstore_attrib
*packing
,
96 GLenum format
, GLenum type
,
100 _mesa_image_address2d( const struct gl_pixelstore_attrib
*packing
,
102 GLsizei width
, GLsizei height
,
103 GLenum format
, GLenum type
,
104 GLint row
, GLint column
);
107 _mesa_image_address3d( const struct gl_pixelstore_attrib
*packing
,
109 GLsizei width
, GLsizei height
,
110 GLenum format
, GLenum type
,
111 GLint img
, GLint row
, GLint column
);
115 _mesa_image_row_stride( const struct gl_pixelstore_attrib
*packing
,
116 GLint width
, GLenum format
, GLenum type
);
120 _mesa_image_image_stride( const struct gl_pixelstore_attrib
*packing
,
121 GLint width
, GLint height
,
122 GLenum format
, GLenum type
);
125 _mesa_unpack_polygon_stipple( const GLubyte
*pattern
, GLuint dest
[32],
126 const struct gl_pixelstore_attrib
*unpacking
);
130 _mesa_pack_polygon_stipple( const GLuint pattern
[32], GLubyte
*dest
,
131 const struct gl_pixelstore_attrib
*packing
);
135 _mesa_unpack_bitmap( GLint width
, GLint height
, const GLubyte
*pixels
,
136 const struct gl_pixelstore_attrib
*packing
);
139 _mesa_pack_bitmap( GLint width
, GLint height
, const GLubyte
*source
,
140 GLubyte
*dest
, const struct gl_pixelstore_attrib
*packing
);
143 _mesa_expand_bitmap(GLsizei width
, GLsizei height
,
144 const struct gl_pixelstore_attrib
*unpack
,
145 const GLubyte
*bitmap
,
146 GLubyte
*destBuffer
, GLint destStride
,
150 /** \name Pixel processing functions */
154 _mesa_scale_and_bias_rgba(GLuint n
, GLfloat rgba
[][4],
155 GLfloat rScale
, GLfloat gScale
,
156 GLfloat bScale
, GLfloat aScale
,
157 GLfloat rBias
, GLfloat gBias
,
158 GLfloat bBias
, GLfloat aBias
);
161 _mesa_map_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4]);
165 _mesa_transform_rgba(const GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4]);
169 _mesa_lookup_rgba_float(const struct gl_color_table
*table
,
170 GLuint n
, GLfloat rgba
[][4]);
173 _mesa_lookup_rgba_ubyte(const struct gl_color_table
*table
,
174 GLuint n
, GLubyte rgba
[][4]);
178 _mesa_map_ci_to_rgba(const GLcontext
*ctx
,
179 GLuint n
, const GLuint index
[], GLfloat rgba
[][4]);
183 _mesa_map_ci8_to_rgba8(const GLcontext
*ctx
, GLuint n
, const GLubyte index
[],
188 _mesa_scale_and_bias_depth(const GLcontext
*ctx
, GLuint n
,
189 GLfloat depthValues
[]);
192 _mesa_scale_and_bias_depth_uint(const GLcontext
*ctx
, GLuint n
,
193 GLuint depthValues
[]);
196 _mesa_apply_rgba_transfer_ops(GLcontext
*ctx
, GLbitfield transferOps
,
197 GLuint n
, GLfloat rgba
[][4]);
201 _mesa_apply_ci_transfer_ops(const GLcontext
*ctx
, GLbitfield transferOps
,
202 GLuint n
, GLuint indexes
[]);
206 _mesa_apply_stencil_transfer_ops(const GLcontext
*ctx
, GLuint n
,
207 GLstencil stencil
[]);
211 _mesa_pack_rgba_span_float( GLcontext
*ctx
, GLuint n
, GLfloat rgba
[][4],
212 GLenum dstFormat
, GLenum dstType
, GLvoid
*dstAddr
,
213 const struct gl_pixelstore_attrib
*dstPacking
,
214 GLbitfield transferOps
);
218 _mesa_unpack_color_span_chan( GLcontext
*ctx
,
219 GLuint n
, GLenum dstFormat
, GLchan dest
[],
220 GLenum srcFormat
, GLenum srcType
,
221 const GLvoid
*source
,
222 const struct gl_pixelstore_attrib
*srcPacking
,
223 GLbitfield transferOps
);
227 _mesa_unpack_color_span_float( GLcontext
*ctx
,
228 GLuint n
, GLenum dstFormat
, GLfloat dest
[],
229 GLenum srcFormat
, GLenum srcType
,
230 const GLvoid
*source
,
231 const struct gl_pixelstore_attrib
*srcPacking
,
232 GLbitfield transferOps
);
235 _mesa_unpack_dudv_span_byte( GLcontext
*ctx
,
236 GLuint n
, GLenum dstFormat
, GLbyte dest
[],
237 GLenum srcFormat
, GLenum srcType
,
238 const GLvoid
*source
,
239 const struct gl_pixelstore_attrib
*srcPacking
,
240 GLbitfield transferOps
);
243 _mesa_unpack_index_span( const GLcontext
*ctx
, GLuint n
,
244 GLenum dstType
, GLvoid
*dest
,
245 GLenum srcType
, const GLvoid
*source
,
246 const struct gl_pixelstore_attrib
*srcPacking
,
247 GLbitfield transferOps
);
251 _mesa_pack_index_span( const GLcontext
*ctx
, GLuint n
,
252 GLenum dstType
, GLvoid
*dest
, const GLuint
*source
,
253 const struct gl_pixelstore_attrib
*dstPacking
,
254 GLbitfield transferOps
);
258 _mesa_unpack_stencil_span( const GLcontext
*ctx
, GLuint n
,
259 GLenum dstType
, GLvoid
*dest
,
260 GLenum srcType
, const GLvoid
*source
,
261 const struct gl_pixelstore_attrib
*srcPacking
,
262 GLbitfield transferOps
);
265 _mesa_pack_stencil_span( const GLcontext
*ctx
, GLuint n
,
266 GLenum dstType
, GLvoid
*dest
, const GLstencil
*source
,
267 const struct gl_pixelstore_attrib
*dstPacking
);
271 _mesa_unpack_depth_span( const GLcontext
*ctx
, GLuint n
,
272 GLenum dstType
, GLvoid
*dest
, GLuint depthMax
,
273 GLenum srcType
, const GLvoid
*source
,
274 const struct gl_pixelstore_attrib
*srcPacking
);
277 _mesa_pack_depth_span( const GLcontext
*ctx
, GLuint n
, GLvoid
*dest
,
278 GLenum dstType
, const GLfloat
*depthSpan
,
279 const struct gl_pixelstore_attrib
*dstPacking
);
283 _mesa_pack_depth_stencil_span(const GLcontext
*ctx
, GLuint n
, GLuint
*dest
,
284 const GLfloat
*depthVals
,
285 const GLstencil
*stencilVals
,
286 const struct gl_pixelstore_attrib
*dstPacking
);
290 _mesa_unpack_image( GLuint dimensions
,
291 GLsizei width
, GLsizei height
, GLsizei depth
,
292 GLenum format
, GLenum type
, const GLvoid
*pixels
,
293 const struct gl_pixelstore_attrib
*unpack
);
297 _mesa_convert_colors(GLenum srcType
, const GLvoid
*src
,
298 GLenum dstType
, GLvoid
*dst
,
299 GLuint count
, const GLubyte mask
[]);
303 _mesa_clip_drawpixels(const GLcontext
*ctx
,
304 GLint
*destX
, GLint
*destY
,
305 GLsizei
*width
, GLsizei
*height
,
306 struct gl_pixelstore_attrib
*unpack
);
310 _mesa_clip_readpixels(const GLcontext
*ctx
,
311 GLint
*srcX
, GLint
*srcY
,
312 GLsizei
*width
, GLsizei
*height
,
313 struct gl_pixelstore_attrib
*pack
);
316 _mesa_clip_copytexsubimage(const GLcontext
*ctx
,
317 GLint
*destX
, GLint
*destY
,
318 GLint
*srcX
, GLint
*srcY
,
319 GLsizei
*width
, GLsizei
*height
);
322 _mesa_clip_to_region(GLint xmin
, GLint ymin
,
323 GLint xmax
, GLint ymax
,
325 GLsizei
*width
, GLsizei
*height
);
328 _mesa_clip_blit(GLcontext
*ctx
,
329 GLint
*srcX0
, GLint
*srcY0
, GLint
*srcX1
, GLint
*srcY1
,
330 GLint
*dstX0
, GLint
*dstY0
, GLint
*dstX1
, GLint
*dstY1
);