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 /** Is the given value one of the 6 cube faces? */
40 static inline GLboolean
41 _mesa_is_cube_face(GLenum target
)
43 return (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
44 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
);
49 /** \name Internal functions */
53 _mesa_base_tex_format( struct gl_context
*ctx
, GLint internalFormat
);
57 _mesa_is_proxy_texture(GLenum target
);
60 extern struct gl_texture_image
*
61 _mesa_new_texture_image( struct gl_context
*ctx
);
65 _mesa_delete_texture_image( 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
);
84 _mesa_update_fbo_texture(struct gl_context
*ctx
,
85 struct gl_texture_object
*texObj
,
86 GLuint face
, GLuint level
);
89 _mesa_clear_texture_image(struct gl_context
*ctx
,
90 struct gl_texture_image
*texImage
);
94 _mesa_set_tex_image(struct gl_texture_object
*tObj
,
95 GLenum target
, GLint level
,
96 struct gl_texture_image
*texImage
);
99 extern struct gl_texture_object
*
100 _mesa_select_tex_object(struct gl_context
*ctx
,
101 const struct gl_texture_unit
*texUnit
,
104 extern struct gl_texture_object
*
105 _mesa_get_current_tex_object(struct gl_context
*ctx
, GLenum target
);
108 extern struct gl_texture_image
*
109 _mesa_select_tex_image(struct gl_context
*ctx
,
110 const struct gl_texture_object
*texObj
,
111 GLenum target
, GLint level
);
114 extern struct gl_texture_image
*
115 _mesa_get_tex_image(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
116 GLenum target
, GLint level
);
119 extern struct gl_texture_image
*
120 _mesa_get_proxy_tex_image(struct gl_context
*ctx
, GLenum target
, GLint level
);
124 _mesa_max_texture_levels(struct gl_context
*ctx
, GLenum target
);
128 _mesa_test_proxy_teximage(struct gl_context
*ctx
, GLenum target
, GLint level
,
129 GLint internalFormat
, GLenum format
, GLenum type
,
130 GLint width
, GLint height
, GLint depth
, GLint border
);
134 _mesa_tex_target_to_face(GLenum target
);
137 _mesa_get_texture_dimensions(GLenum target
);
140 * Lock a texture for updating. See also _mesa_lock_context_textures().
143 _mesa_lock_texture(struct gl_context
*ctx
, struct gl_texture_object
*texObj
)
145 _glthread_LOCK_MUTEX(ctx
->Shared
->TexMutex
);
146 ctx
->Shared
->TextureStateStamp
++;
151 _mesa_unlock_texture(struct gl_context
*ctx
, struct gl_texture_object
*texObj
)
154 _glthread_UNLOCK_MUTEX(ctx
->Shared
->TexMutex
);
160 /** \name API entry point functions */
163 extern void GLAPIENTRY
164 _mesa_TexImage1D( GLenum target
, GLint level
, GLint internalformat
,
165 GLsizei width
, GLint border
,
166 GLenum format
, GLenum type
, const GLvoid
*pixels
);
169 extern void GLAPIENTRY
170 _mesa_TexImage2D( GLenum target
, GLint level
, GLint internalformat
,
171 GLsizei width
, GLsizei height
, GLint border
,
172 GLenum format
, GLenum type
, const GLvoid
*pixels
);
175 extern void GLAPIENTRY
176 _mesa_TexImage3D( GLenum target
, GLint level
, GLint internalformat
,
177 GLsizei width
, GLsizei height
, GLsizei depth
, GLint border
,
178 GLenum format
, GLenum type
, const GLvoid
*pixels
);
181 extern void GLAPIENTRY
182 _mesa_TexImage3DEXT( GLenum target
, GLint level
, GLenum internalformat
,
183 GLsizei width
, GLsizei height
, GLsizei depth
,
184 GLint border
, GLenum format
, GLenum type
,
185 const GLvoid
*pixels
);
187 extern void GLAPIENTRY
188 _mesa_EGLImageTargetTexture2DOES( GLenum target
, GLeglImageOES image
);
190 extern void GLAPIENTRY
191 _mesa_TexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
193 GLenum format
, GLenum type
,
194 const GLvoid
*pixels
);
197 extern void GLAPIENTRY
198 _mesa_TexSubImage2D( GLenum target
, GLint level
,
199 GLint xoffset
, GLint yoffset
,
200 GLsizei width
, GLsizei height
,
201 GLenum format
, GLenum type
,
202 const GLvoid
*pixels
);
205 extern void GLAPIENTRY
206 _mesa_TexSubImage3D( GLenum target
, GLint level
,
207 GLint xoffset
, GLint yoffset
, GLint zoffset
,
208 GLsizei width
, GLsizei height
, GLsizei depth
,
209 GLenum format
, GLenum type
,
210 const GLvoid
*pixels
);
213 extern void GLAPIENTRY
214 _mesa_CopyTexImage1D( GLenum target
, GLint level
, GLenum internalformat
,
215 GLint x
, GLint y
, GLsizei width
, GLint border
);
218 extern void GLAPIENTRY
219 _mesa_CopyTexImage2D( GLenum target
, GLint level
,
220 GLenum internalformat
, GLint x
, GLint y
,
221 GLsizei width
, GLsizei height
, GLint border
);
224 extern void GLAPIENTRY
225 _mesa_CopyTexSubImage1D( GLenum target
, GLint level
, GLint xoffset
,
226 GLint x
, GLint y
, GLsizei width
);
229 extern void GLAPIENTRY
230 _mesa_CopyTexSubImage2D( GLenum target
, GLint level
,
231 GLint xoffset
, GLint yoffset
,
232 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
235 extern void GLAPIENTRY
236 _mesa_CopyTexSubImage3D( GLenum target
, GLint level
,
237 GLint xoffset
, GLint yoffset
, GLint zoffset
,
238 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
242 extern void GLAPIENTRY
243 _mesa_CompressedTexImage1DARB(GLenum target
, GLint level
,
244 GLenum internalformat
, GLsizei width
,
245 GLint border
, GLsizei imageSize
,
248 extern void GLAPIENTRY
249 _mesa_CompressedTexImage2DARB(GLenum target
, GLint level
,
250 GLenum internalformat
, GLsizei width
,
251 GLsizei height
, GLint border
, GLsizei imageSize
,
254 extern void GLAPIENTRY
255 _mesa_CompressedTexImage3DARB(GLenum target
, GLint level
,
256 GLenum internalformat
, GLsizei width
,
257 GLsizei height
, GLsizei depth
, GLint border
,
258 GLsizei imageSize
, const GLvoid
*data
);
261 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
262 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
263 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
265 extern void GLAPIENTRY
266 _mesa_CompressedTexSubImage1DARB(GLenum target
, GLint level
, GLint xoffset
,
267 GLsizei width
, GLenum format
,
268 GLsizei imageSize
, const GLvoid
*data
);
270 extern void GLAPIENTRY
271 _mesa_CompressedTexSubImage2DARB(GLenum target
, GLint level
, GLint xoffset
,
272 GLint yoffset
, GLsizei width
, GLsizei height
,
273 GLenum format
, GLsizei imageSize
,
276 extern void GLAPIENTRY
277 _mesa_CompressedTexSubImage3DARB(GLenum target
, GLint level
, GLint xoffset
,
278 GLint yoffset
, GLint zoffset
, GLsizei width
,
279 GLsizei height
, GLsizei depth
, GLenum format
,
280 GLsizei imageSize
, const GLvoid
*data
);
283 extern void GLAPIENTRY
284 _mesa_TexBuffer(GLenum target
, GLenum internalFormat
, GLuint buffer
);