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.
40 _mesa_alloc_texmemory(GLsizei bytes
);
43 _mesa_free_texmemory(void *m
);
46 /** \name Internal functions */
50 _mesa_base_tex_format( struct gl_context
*ctx
, GLint internalFormat
);
54 _mesa_is_proxy_texture(GLenum target
);
57 extern struct gl_texture_image
*
58 _mesa_new_texture_image( struct gl_context
*ctx
);
62 _mesa_delete_texture_image( struct gl_context
*ctx
, struct gl_texture_image
*teximage
);
65 _mesa_free_texture_image_data( struct gl_context
*ctx
,
66 struct gl_texture_image
*texImage
);
70 _mesa_init_teximage_fields(struct gl_context
*ctx
, GLenum target
,
71 struct gl_texture_image
*img
,
72 GLsizei width
, GLsizei height
, GLsizei depth
,
73 GLint border
, GLenum internalFormat
,
78 _mesa_choose_texture_format(struct gl_context
*ctx
,
79 struct gl_texture_object
*texObj
,
80 GLenum target
, GLint level
,
81 GLenum internalFormat
, GLenum format
, GLenum type
);
85 _mesa_clear_texture_image(struct gl_context
*ctx
, struct gl_texture_image
*texImage
);
89 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
90 GLenum target
, GLint level
,
91 struct gl_texture_image
*texImage
);
94 extern struct gl_texture_object
*
95 _mesa_select_tex_object(struct gl_context
*ctx
, const struct gl_texture_unit
*texUnit
,
98 extern struct gl_texture_object
*
99 _mesa_get_current_tex_object(struct gl_context
*ctx
, GLenum target
);
102 extern struct gl_texture_image
*
103 _mesa_select_tex_image(struct gl_context
*ctx
, const struct gl_texture_object
*texObj
,
104 GLenum target
, GLint level
);
107 extern struct gl_texture_image
*
108 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
109 GLenum target
, GLint level
);
112 extern struct gl_texture_image
*
113 _mesa_get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
);
117 _mesa_max_texture_levels(struct gl_context
*ctx
, GLenum target
);
121 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
, GLint level
,
122 GLint internalFormat
, GLenum format
, GLenum type
,
123 GLint width
, GLint height
, GLint depth
, GLint border
);
127 _mesa_tex_target_to_face(GLenum target
);
130 _mesa_get_texture_dimensions(GLenum target
);
133 * Lock a texture for updating. See also _mesa_lock_context_textures().
136 _mesa_lock_texture(struct gl_context
*ctx
, struct gl_texture_object
*texObj
)
138 _glthread_LOCK_MUTEX(ctx
->Shared
->TexMutex
);
139 ctx
->Shared
->TextureStateStamp
++;
144 _mesa_unlock_texture(struct gl_context
*ctx
, struct gl_texture_object
*texObj
)
146 _glthread_UNLOCK_MUTEX(ctx
->Shared
->TexMutex
);
152 /** \name API entry point functions */
155 extern void GLAPIENTRY
156 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalformat
,
157 GLsizei width
, GLint border
,
158 GLenum format
, GLenum type
, const GLvoid
*pixels
);
161 extern void GLAPIENTRY
162 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalformat
,
163 GLsizei width
, GLsizei height
, GLint border
,
164 GLenum format
, GLenum type
, const GLvoid
*pixels
);
167 extern void GLAPIENTRY
168 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalformat
,
169 GLsizei width
, GLsizei height
, GLsizei depth
, GLint border
,
170 GLenum format
, GLenum type
, const GLvoid
*pixels
);
173 extern void GLAPIENTRY
174 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalformat
,
175 GLsizei width
, GLsizei height
, GLsizei depth
,
176 GLint border
, GLenum format
, GLenum type
,
177 const GLvoid
*pixels
);
179 extern void GLAPIENTRY
180 _mesa_EGLImageTargetTexture2DOES( GLenum target
, GLeglImageOES image
);
182 extern void GLAPIENTRY
183 _mesa_TexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
185 GLenum format
, GLenum type
,
186 const GLvoid
*pixels
);
189 extern void GLAPIENTRY
190 _mesa_TexSubImage2D( GLenum target
, GLint level
,
191 GLint xoffset
, GLint yoffset
,
192 GLsizei width
, GLsizei height
,
193 GLenum format
, GLenum type
,
194 const GLvoid
*pixels
);
197 extern void GLAPIENTRY
198 _mesa_TexSubImage3D( GLenum target
, GLint level
,
199 GLint xoffset
, GLint yoffset
, GLint zoffset
,
200 GLsizei width
, GLsizei height
, GLsizei depth
,
201 GLenum format
, GLenum type
,
202 const GLvoid
*pixels
);
205 extern void GLAPIENTRY
206 _mesa_CopyTexImage1D( GLenum target
, GLint level
, GLenum internalformat
,
207 GLint x
, GLint y
, GLsizei width
, GLint border
);
210 extern void GLAPIENTRY
211 _mesa_CopyTexImage2D( GLenum target
, GLint level
,
212 GLenum internalformat
, GLint x
, GLint y
,
213 GLsizei width
, GLsizei height
, GLint border
);
216 extern void GLAPIENTRY
217 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
218 GLint x
, GLint y
, GLsizei width
);
221 extern void GLAPIENTRY
222 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
223 GLint xoffset
, GLint yoffset
,
224 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
227 extern void GLAPIENTRY
228 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
229 GLint xoffset
, GLint yoffset
, GLint zoffset
,
230 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
234 extern void GLAPIENTRY
235 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
236 GLenum internalformat
, GLsizei width
,
237 GLint border
, GLsizei imageSize
,
240 extern void GLAPIENTRY
241 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
242 GLenum internalformat
, GLsizei width
,
243 GLsizei height
, GLint border
, GLsizei imageSize
,
246 extern void GLAPIENTRY
247 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
248 GLenum internalformat
, GLsizei width
,
249 GLsizei height
, GLsizei depth
, GLint border
,
250 GLsizei imageSize
, const GLvoid
*data
);
253 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
254 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
255 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
257 extern void GLAPIENTRY
258 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
259 GLsizei width
, GLenum format
,
260 GLsizei imageSize
, const GLvoid
*data
);
262 extern void GLAPIENTRY
263 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
264 GLint yoffset
, GLsizei width
, GLsizei height
,
265 GLenum format
, GLsizei imageSize
,
268 extern void GLAPIENTRY
269 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
270 GLint yoffset
, GLint zoffset
, GLsizei width
,
271 GLsizei height
, GLsizei depth
, GLenum format
,
272 GLsizei imageSize
, const GLvoid
*data
);