2 * Mesa 3-D graphics library
4 * Copyright (C) 2013 Timothy Arceri All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
27 #include "bufferobj.h"
32 #include "objectlabel.h"
34 #include "samplerobj.h"
35 #include "shaderobj.h"
38 #include "transformfeedback.h"
42 * Helper for _mesa_ObjectLabel() and _mesa_ObjectPtrLabel().
45 set_label(struct gl_context
*ctx
, char **labelPtr
, const char *label
,
46 int length
, const char *caller
)
49 /* free old label string */
54 /* set new label string */
57 if (length
>= MAX_LABEL_LENGTH
)
58 _mesa_error(ctx
, GL_INVALID_VALUE
,
59 "%s(length=%d, which is not less than "
60 "GL_MAX_LABEL_LENGTH=%d)", caller
, length
,
64 *labelPtr
= (char *) malloc(length
+1);
66 memcpy(*labelPtr
, label
, length
);
67 /* length is not required to include the null terminator so
68 * add one just in case
70 (*labelPtr
)[length
] = '\0';
74 int len
= strlen(label
);
75 if (len
>= MAX_LABEL_LENGTH
)
76 _mesa_error(ctx
, GL_INVALID_VALUE
,
77 "%s(label length=%d, which is not less than "
78 "GL_MAX_LABEL_LENGTH=%d)", caller
, len
,
81 /* null-terminated string */
82 *labelPtr
= _mesa_strdup(label
);
88 * Helper for _mesa_GetObjectLabel() and _mesa_GetObjectPtrLabel().
89 * \param src the src label (may be null)
90 * \param dst pointer to dest buffer (may be null)
91 * \param length returns length of label (may be null)
92 * \param bufsize size of dst buffer
95 copy_label(const GLchar
*src
, GLchar
*dst
, GLsizei
*length
, GLsizei bufSize
)
99 /* From http://www.opengl.org/registry/specs/KHR/debug.txt:
100 * "If <length> is NULL, no length is returned. The maximum number of
101 * characters that may be written into <label>, including the null
102 * terminator, is specified by <bufSize>. If no debug label was specified
103 * for the object then <label> will contain a null-terminated empty string,
104 * and zero will be returned in <length>. If <label> is NULL and <length>
105 * is non-NULL then no string will be returned and the length of the label
106 * will be returned in <length>."
110 labelLen
= strlen(src
);
114 if (bufSize
<= labelLen
)
115 labelLen
= bufSize
- 1;
117 memcpy(dst
, src
, labelLen
);
120 dst
[labelLen
] = '\0';
128 * Helper for _mesa_ObjectLabel() and _mesa_GetObjectLabel().
131 get_label_pointer(struct gl_context
*ctx
, GLenum identifier
, GLuint name
,
134 char **labelPtr
= NULL
;
136 switch (identifier
) {
139 struct gl_buffer_object
*bufObj
= _mesa_lookup_bufferobj(ctx
, name
);
141 labelPtr
= &bufObj
->Label
;
146 struct gl_shader
*shader
= _mesa_lookup_shader(ctx
, name
);
148 labelPtr
= &shader
->Label
;
153 struct gl_shader_program
*program
=
154 _mesa_lookup_shader_program(ctx
, name
);
156 labelPtr
= &program
->Label
;
159 case GL_VERTEX_ARRAY
:
161 struct gl_vertex_array_object
*obj
= _mesa_lookup_vao(ctx
, name
);
163 labelPtr
= &obj
->Label
;
168 struct gl_query_object
*query
= _mesa_lookup_query_object(ctx
, name
);
170 labelPtr
= &query
->Label
;
173 case GL_TRANSFORM_FEEDBACK
:
175 struct gl_transform_feedback_object
*tfo
=
176 _mesa_lookup_transform_feedback_object(ctx
, name
);
178 labelPtr
= &tfo
->Label
;
183 struct gl_sampler_object
*so
= _mesa_lookup_samplerobj(ctx
, name
);
185 labelPtr
= &so
->Label
;
190 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, name
);
192 labelPtr
= &texObj
->Label
;
195 case GL_RENDERBUFFER
:
197 struct gl_renderbuffer
*rb
= _mesa_lookup_renderbuffer(ctx
, name
);
199 labelPtr
= &rb
->Label
;
204 struct gl_framebuffer
*rb
= _mesa_lookup_framebuffer(ctx
, name
);
206 labelPtr
= &rb
->Label
;
209 case GL_DISPLAY_LIST
:
210 if (ctx
->API
== API_OPENGL_COMPAT
) {
211 struct gl_display_list
*list
= _mesa_lookup_list(ctx
, name
);
213 labelPtr
= &list
->Label
;
219 case GL_PROGRAM_PIPELINE
:
220 /* requires GL 4.2 */
226 if (NULL
== labelPtr
) {
227 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(name = %u)", caller
, name
);
233 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(identifier = %s)",
234 caller
, _mesa_lookup_enum_by_nr(identifier
));
239 _mesa_ObjectLabel(GLenum identifier
, GLuint name
, GLsizei length
,
242 GET_CURRENT_CONTEXT(ctx
);
245 labelPtr
= get_label_pointer(ctx
, identifier
, name
, "glObjectLabel");
249 set_label(ctx
, labelPtr
, label
, length
, "glObjectLabel");
253 _mesa_GetObjectLabel(GLenum identifier
, GLuint name
, GLsizei bufSize
,
254 GLsizei
*length
, GLchar
*label
)
256 GET_CURRENT_CONTEXT(ctx
);
260 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetObjectLabel(bufSize = %d)",
265 labelPtr
= get_label_pointer(ctx
, identifier
, name
, "glGetObjectLabel");
269 copy_label(*labelPtr
, label
, length
, bufSize
);
273 _mesa_ObjectPtrLabel(const void *ptr
, GLsizei length
, const GLchar
*label
)
275 GET_CURRENT_CONTEXT(ctx
);
277 struct gl_sync_object
*const syncObj
= (struct gl_sync_object
*) ptr
;
279 if (!_mesa_validate_sync(ctx
, syncObj
)) {
280 _mesa_error(ctx
, GL_INVALID_VALUE
, "glObjectPtrLabel (not a valid sync object)");
284 labelPtr
= &syncObj
->Label
;
286 set_label(ctx
, labelPtr
, label
, length
, "glObjectPtrLabel");
290 _mesa_GetObjectPtrLabel(const void *ptr
, GLsizei bufSize
, GLsizei
*length
,
293 GET_CURRENT_CONTEXT(ctx
);
295 struct gl_sync_object
*const syncObj
= (struct gl_sync_object
*) ptr
;
298 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetObjectPtrLabel(bufSize = %d)",
303 if (!_mesa_validate_sync(ctx
, syncObj
)) {
304 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetObjectPtrLabel (not a valid sync object)");
308 labelPtr
= &syncObj
->Label
;
310 copy_label(*labelPtr
, label
, length
, bufSize
);