3 * Texture images manipulation functions.
7 * Mesa 3-D graphics library
10 * Copyright (C) 1999-2005 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.
39 _mesa_alloc_texmemory(GLsizei bytes
);
42 _mesa_free_texmemory(void *m
);
45 /** \name Internal functions */
49 _mesa_base_tex_format( GLcontext
*ctx
, GLint internalFormat
);
53 _mesa_is_proxy_texture(GLenum target
);
56 extern struct gl_texture_image
*
57 _mesa_new_texture_image( GLcontext
*ctx
);
61 _mesa_delete_texture_image( GLcontext
*ctx
, struct gl_texture_image
*teximage
);
64 _mesa_free_texture_image_data( GLcontext
*ctx
,
65 struct gl_texture_image
*texImage
);
69 _mesa_init_teximage_fields(GLcontext
*ctx
, GLenum target
,
70 struct gl_texture_image
*img
,
71 GLsizei width
, GLsizei height
, GLsizei depth
,
72 GLint border
, GLenum internalFormat
);
76 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
77 GLenum target
, GLint level
,
78 struct gl_texture_image
*texImage
);
81 extern struct gl_texture_object
*
82 _mesa_select_tex_object(GLcontext
*ctx
, const struct gl_texture_unit
*texUnit
,
86 extern struct gl_texture_image
*
87 _mesa_select_tex_image(GLcontext
*ctx
, const struct gl_texture_object
*texObj
,
88 GLenum target
, GLint level
);
91 extern struct gl_texture_image
*
92 _mesa_get_tex_image(GLcontext
*ctx
, struct gl_texture_object
*texObj
,
93 GLenum target
, GLint level
);
96 extern struct gl_texture_image
*
97 _mesa_get_proxy_tex_image(GLcontext
*ctx
, GLenum target
, GLint level
);
101 _mesa_max_texture_levels(GLcontext
*ctx
, GLenum target
);
105 _mesa_test_proxy_teximage(GLcontext
*ctx
, GLenum target
, GLint level
,
106 GLint internalFormat
, GLenum format
, GLenum type
,
107 GLint width
, GLint height
, GLint depth
, GLint border
);
111 * Lock a texture for updating. See also _mesa_lock_context_textures().
114 _mesa_lock_texture(GLcontext
*ctx
, struct gl_texture_object
*texObj
)
116 _glthread_LOCK_MUTEX(ctx
->Shared
->TexMutex
);
117 ctx
->Shared
->TextureStateStamp
++;
122 _mesa_unlock_texture(GLcontext
*ctx
, struct gl_texture_object
*texObj
)
124 _glthread_UNLOCK_MUTEX(ctx
->Shared
->TexMutex
);
130 /** \name API entry point functions */
133 extern void GLAPIENTRY
134 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalformat
,
135 GLsizei width
, GLint border
,
136 GLenum format
, GLenum type
, const GLvoid
*pixels
);
139 extern void GLAPIENTRY
140 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalformat
,
141 GLsizei width
, GLsizei height
, GLint border
,
142 GLenum format
, GLenum type
, const GLvoid
*pixels
);
145 extern void GLAPIENTRY
146 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalformat
,
147 GLsizei width
, GLsizei height
, GLsizei depth
, GLint border
,
148 GLenum format
, GLenum type
, const GLvoid
*pixels
);
151 extern void GLAPIENTRY
152 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalformat
,
153 GLsizei width
, GLsizei height
, GLsizei depth
,
154 GLint border
, GLenum format
, GLenum type
,
155 const GLvoid
*pixels
);
158 extern void GLAPIENTRY
159 _mesa_GetTexImage( GLenum target
, GLint level
,
160 GLenum format
, GLenum type
, GLvoid
*pixels
);
163 extern void GLAPIENTRY
164 _mesa_TexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
166 GLenum format
, GLenum type
,
167 const GLvoid
*pixels
);
170 extern void GLAPIENTRY
171 _mesa_TexSubImage2D( GLenum target
, GLint level
,
172 GLint xoffset
, GLint yoffset
,
173 GLsizei width
, GLsizei height
,
174 GLenum format
, GLenum type
,
175 const GLvoid
*pixels
);
178 extern void GLAPIENTRY
179 _mesa_TexSubImage3D( GLenum target
, GLint level
,
180 GLint xoffset
, GLint yoffset
, GLint zoffset
,
181 GLsizei width
, GLsizei height
, GLsizei depth
,
182 GLenum format
, GLenum type
,
183 const GLvoid
*pixels
);
186 extern void GLAPIENTRY
187 _mesa_CopyTexImage1D( GLenum target
, GLint level
, GLenum internalformat
,
188 GLint x
, GLint y
, GLsizei width
, GLint border
);
191 extern void GLAPIENTRY
192 _mesa_CopyTexImage2D( GLenum target
, GLint level
,
193 GLenum internalformat
, GLint x
, GLint y
,
194 GLsizei width
, GLsizei height
, GLint border
);
197 extern void GLAPIENTRY
198 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
199 GLint x
, GLint y
, GLsizei width
);
202 extern void GLAPIENTRY
203 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
204 GLint xoffset
, GLint yoffset
,
205 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
208 extern void GLAPIENTRY
209 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
210 GLint xoffset
, GLint yoffset
, GLint zoffset
,
211 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
215 extern void GLAPIENTRY
216 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
217 GLenum internalformat
, GLsizei width
,
218 GLint border
, GLsizei imageSize
,
221 extern void GLAPIENTRY
222 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
223 GLenum internalformat
, GLsizei width
,
224 GLsizei height
, GLint border
, GLsizei imageSize
,
227 extern void GLAPIENTRY
228 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
229 GLenum internalformat
, GLsizei width
,
230 GLsizei height
, GLsizei depth
, GLint border
,
231 GLsizei imageSize
, const GLvoid
*data
);
234 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
235 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
236 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
238 extern void GLAPIENTRY
239 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
240 GLsizei width
, GLenum format
,
241 GLsizei imageSize
, const GLvoid
*data
);
243 extern void GLAPIENTRY
244 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
245 GLint yoffset
, GLsizei width
, GLsizei height
,
246 GLenum format
, GLsizei imageSize
,
249 extern void GLAPIENTRY
250 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
251 GLint yoffset
, GLint zoffset
, GLsizei width
,
252 GLsizei height
, GLsizei depth
, GLenum format
,
253 GLsizei imageSize
, const GLvoid
*data
);
255 extern void GLAPIENTRY
256 _mesa_GetCompressedTexImageARB(GLenum target
, GLint lod
, GLvoid
*img
);