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.
33 struct gl_pixelstore_attrib;
36 _mesa_swap2( GLushort *p, GLuint n );
39 _mesa_swap4( GLuint *p, GLuint n );
42 _mesa_type_is_packed(GLenum type);
45 _mesa_sizeof_type( GLenum type );
48 _mesa_sizeof_packed_type( GLenum type );
51 _mesa_components_in_format( GLenum format );
54 _mesa_bytes_per_pixel( GLenum format, GLenum type );
57 _mesa_is_legal_format_and_type(const struct gl_context *ctx,
58 GLenum format, GLenum type);
61 _mesa_is_color_format(GLenum format);
64 _mesa_is_index_format(GLenum format);
67 _mesa_is_depth_format(GLenum format);
70 _mesa_is_stencil_format(GLenum format);
73 _mesa_is_ycbcr_format(GLenum format);
76 _mesa_is_depthstencil_format(GLenum format);
79 _mesa_is_depth_or_stencil_format(GLenum format);
82 _mesa_is_dudv_format(GLenum format);
85 _mesa_is_integer_format(GLenum format);
88 _mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
91 _mesa_image_address( GLuint dimensions,
92 const struct gl_pixelstore_attrib *packing,
94 GLsizei width, GLsizei height,
95 GLenum format, GLenum type,
96 GLint img, GLint row, GLint column );
99 _mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
102 GLenum format, GLenum type,
106 _mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
108 GLsizei width, GLsizei height,
109 GLenum format, GLenum type,
110 GLint row, GLint column );
113 _mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
115 GLsizei width, GLsizei height,
116 GLenum format, GLenum type,
117 GLint img, GLint row, GLint column );
121 _mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
122 GLint width, GLenum format, GLenum type );
126 _mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
127 GLint width, GLint height,
128 GLenum format, GLenum type );
132 _mesa_expand_bitmap(GLsizei width, GLsizei height,
133 const struct gl_pixelstore_attrib *unpack,
134 const GLubyte *bitmap,
135 GLubyte *destBuffer, GLint destStride,
140 _mesa_convert_colors(GLenum srcType, const GLvoid *src,
141 GLenum dstType, GLvoid *dst,
142 GLuint count, const GLubyte mask[]);
146 _mesa_clip_drawpixels(const struct gl_context *ctx,
147 GLint *destX, GLint *destY,
148 GLsizei *width, GLsizei *height,
149 struct gl_pixelstore_attrib *unpack);
153 _mesa_clip_readpixels(const struct gl_context *ctx,
154 GLint *srcX, GLint *srcY,
155 GLsizei *width, GLsizei *height,
156 struct gl_pixelstore_attrib *pack);
159 _mesa_clip_copytexsubimage(const struct gl_context *ctx,
160 GLint *destX, GLint *destY,
161 GLint *srcX, GLint *srcY,
162 GLsizei *width, GLsizei *height);
165 _mesa_clip_to_region(GLint xmin, GLint ymin,
166 GLint xmax, GLint ymax,
168 GLsizei *width, GLsizei *height );
171 _mesa_clip_blit(struct gl_context *ctx,
172 GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
173 GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1);