aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/main/teximage.h
blob: 36fd1c2bc5dd5c5fe01dad4d64eeb822211d19c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
/**
 * \file teximage.h
 * Texture images manipulation functions.
 */

/*
 * Mesa 3-D graphics library
 * Version:  6.5
 *
 * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


#ifndef TEXIMAGE_H
#define TEXIMAGE_H


#include "mtypes.h"
#include "formats.h"

#ifdef __cplusplus
extern "C" {
#endif

/** Is the given value one of the 6 cube faces? */
static inline GLboolean
_mesa_is_cube_face(GLenum target)
{
   return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
           target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB);
}

/** Is any of the dimensions of given texture equal to zero? */
static inline GLboolean
_mesa_is_zero_size_texture(const struct gl_texture_image *texImage)
{
   return (texImage->Width == 0 ||
           texImage->Height == 0 ||
           texImage->Depth == 0);
}

/** \name Internal functions */
/*@{*/

extern GLint
_mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );


extern GLboolean
_mesa_is_proxy_texture(GLenum target);

extern GLenum
_mesa_get_proxy_target(GLenum target);

extern struct gl_texture_image *
_mesa_new_texture_image( struct gl_context *ctx );


extern void
_mesa_delete_texture_image( struct gl_context *ctx,
                            struct gl_texture_image *teximage );


extern void
_mesa_init_teximage_fields(struct gl_context *ctx,
                           struct gl_texture_image *img,
                           GLsizei width, GLsizei height, GLsizei depth,
                           GLint border, GLenum internalFormat,
                           gl_format format);


extern gl_format
_mesa_choose_texture_format(struct gl_context *ctx,
                            struct gl_texture_object *texObj,
                            GLenum target, GLint level,
                            GLenum internalFormat, GLenum format, GLenum type);

extern void
_mesa_update_fbo_texture(struct gl_context *ctx,
                         struct gl_texture_object *texObj,
                         GLuint face, GLuint level);

extern void
_mesa_clear_texture_image(struct gl_context *ctx,
                          struct gl_texture_image *texImage);


extern struct gl_texture_object *
_mesa_select_tex_object(struct gl_context *ctx,
                        const struct gl_texture_unit *texUnit,
                        GLenum target);

extern struct gl_texture_object *
_mesa_get_current_tex_object(struct gl_context *ctx, GLenum target);


extern struct gl_texture_image *
_mesa_select_tex_image(struct gl_context *ctx,
                       const struct gl_texture_object *texObj,
                       GLenum target, GLint level);


extern struct gl_texture_image *
_mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
                    GLenum target, GLint level);


extern GLint
_mesa_max_texture_levels(struct gl_context *ctx, GLenum target);


extern GLboolean
_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
                         GLint internalFormat, GLenum format, GLenum type,
                         GLint width, GLint height, GLint depth, GLint border);


extern GLuint
_mesa_tex_target_to_face(GLenum target);

extern GLint
_mesa_get_texture_dimensions(GLenum target);

extern GLenum
_mesa_es_error_check_format_and_type(GLenum format, GLenum type,
                                     unsigned dimensions);

/**
 * Lock a texture for updating.  See also _mesa_lock_context_textures().
 */
static inline void
_mesa_lock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
{
   _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
   ctx->Shared->TextureStateStamp++;
   (void) texObj;
}

static inline void
_mesa_unlock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
{
   (void) texObj;
   _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
}

/*@}*/


/** \name API entry point functions */
/*@{*/

extern void GLAPIENTRY
_mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
                  GLsizei width, GLint border,
                  GLenum format, GLenum type, const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
                  GLsizei width, GLsizei height, GLint border,
                  GLenum format, GLenum type, const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
                  GLsizei width, GLsizei height, GLsizei depth, GLint border,
                  GLenum format, GLenum type, const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
                     GLsizei width, GLsizei height, GLsizei depth,
                     GLint border, GLenum format, GLenum type,
                     const GLvoid *pixels );

extern void GLAPIENTRY
_mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );

extern void GLAPIENTRY
_mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
                     GLsizei width,
                     GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexSubImage2D( GLenum target, GLint level,
                     GLint xoffset, GLint yoffset,
                     GLsizei width, GLsizei height,
                     GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_TexSubImage3D( GLenum target, GLint level,
                     GLint xoffset, GLint yoffset, GLint zoffset,
                     GLsizei width, GLsizei height, GLsizei depth,
                     GLenum format, GLenum type,
                     const GLvoid *pixels );


extern void GLAPIENTRY
_mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
                      GLint x, GLint y, GLsizei width, GLint border );


extern void GLAPIENTRY
_mesa_CopyTexImage2D( GLenum target, GLint level,
                      GLenum internalformat, GLint x, GLint y,
                      GLsizei width, GLsizei height, GLint border );


extern void GLAPIENTRY
_mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
                         GLint x, GLint y, GLsizei width );


extern void GLAPIENTRY
_mesa_CopyTexSubImage2D( GLenum target, GLint level,
                         GLint xoffset, GLint yoffset,
                         GLint x, GLint y, GLsizei width, GLsizei height );


extern void GLAPIENTRY
_mesa_CopyTexSubImage3D( GLenum target, GLint level,
                         GLint xoffset, GLint yoffset, GLint zoffset,
                         GLint x, GLint y, GLsizei width, GLsizei height );



extern void GLAPIENTRY
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
                              GLenum internalformat, GLsizei width,
                              GLint border, GLsizei imageSize,
                              const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
                              GLenum internalformat, GLsizei width,
                              GLsizei height, GLint border, GLsizei imageSize,
                              const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
                              GLenum internalformat, GLsizei width,
                              GLsizei height, GLsizei depth, GLint border,
                              GLsizei imageSize, const GLvoid *data);

#ifdef VMS
#define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
#define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
#define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
#endif
extern void GLAPIENTRY
_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
                                 GLsizei width, GLenum format,
                                 GLsizei imageSize, const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
                                 GLint yoffset, GLsizei width, GLsizei height,
                                 GLenum format, GLsizei imageSize,
                                 const GLvoid *data);

extern void GLAPIENTRY
_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
                                 GLint yoffset, GLint zoffset, GLsizei width,
                                 GLsizei height, GLsizei depth, GLenum format,
                                 GLsizei imageSize, const GLvoid *data);


extern void GLAPIENTRY
_mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer);


/*@}*/

#ifdef __cplusplus
}
#endif

#endif