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
)
51 /* set new label string */
54 if (length
>= MAX_LABEL_LENGTH
)
55 _mesa_error(ctx
, GL_INVALID_VALUE
,
56 "%s(length=%d, which is not less than "
57 "GL_MAX_LABEL_LENGTH=%d)", caller
, length
,
61 *labelPtr
= malloc(length
+1);
63 memcpy(*labelPtr
, label
, length
);
64 /* length is not required to include the null terminator so
65 * add one just in case
67 (*labelPtr
)[length
] = '\0';
71 int len
= strlen(label
);
72 if (len
>= MAX_LABEL_LENGTH
)
73 _mesa_error(ctx
, GL_INVALID_VALUE
,
74 "%s(label length=%d, which is not less than "
75 "GL_MAX_LABEL_LENGTH=%d)", caller
, len
,
78 /* null-terminated string */
79 *labelPtr
= _mesa_strdup(label
);
85 * Helper for _mesa_GetObjectLabel() and _mesa_GetObjectPtrLabel().
86 * \param src the src label (may be null)
87 * \param dst pointer to dest buffer (may be null)
88 * \param length returns length of label (may be null)
89 * \param bufsize size of dst buffer
92 copy_label(const GLchar
*src
, GLchar
*dst
, GLsizei
*length
, GLsizei bufSize
)
96 /* From http://www.opengl.org/registry/specs/KHR/debug.txt:
97 * "If <length> is NULL, no length is returned. The maximum number of
98 * characters that may be written into <label>, including the null
99 * terminator, is specified by <bufSize>. If no debug label was specified
100 * for the object then <label> will contain a null-terminated empty string,
101 * and zero will be returned in <length>. If <label> is NULL and <length>
102 * is non-NULL then no string will be returned and the length of the label
103 * will be returned in <length>."
107 labelLen
= strlen(src
);
111 if (bufSize
<= labelLen
)
112 labelLen
= bufSize
- 1;
114 memcpy(dst
, src
, labelLen
);
117 dst
[labelLen
] = '\0';
125 * Helper for _mesa_ObjectLabel() and _mesa_GetObjectLabel().
128 get_label_pointer(struct gl_context
*ctx
, GLenum identifier
, GLuint name
,
131 char **labelPtr
= NULL
;
133 switch (identifier
) {
136 struct gl_buffer_object
*bufObj
= _mesa_lookup_bufferobj(ctx
, name
);
138 labelPtr
= &bufObj
->Label
;
143 struct gl_shader
*shader
= _mesa_lookup_shader(ctx
, name
);
145 labelPtr
= &shader
->Label
;
150 struct gl_shader_program
*program
=
151 _mesa_lookup_shader_program(ctx
, name
);
153 labelPtr
= &program
->Label
;
156 case GL_VERTEX_ARRAY
:
158 struct gl_vertex_array_object
*obj
= _mesa_lookup_vao(ctx
, name
);
160 labelPtr
= &obj
->Label
;
165 struct gl_query_object
*query
= _mesa_lookup_query_object(ctx
, name
);
167 labelPtr
= &query
->Label
;
170 case GL_TRANSFORM_FEEDBACK
:
172 struct gl_transform_feedback_object
*tfo
=
173 _mesa_lookup_transform_feedback_object(ctx
, name
);
175 labelPtr
= &tfo
->Label
;
180 struct gl_sampler_object
*so
= _mesa_lookup_samplerobj(ctx
, name
);
182 labelPtr
= &so
->Label
;
187 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, name
);
189 labelPtr
= &texObj
->Label
;
192 case GL_RENDERBUFFER
:
194 struct gl_renderbuffer
*rb
= _mesa_lookup_renderbuffer(ctx
, name
);
196 labelPtr
= &rb
->Label
;
201 struct gl_framebuffer
*rb
= _mesa_lookup_framebuffer(ctx
, name
);
203 labelPtr
= &rb
->Label
;
206 case GL_DISPLAY_LIST
:
207 if (ctx
->API
== API_OPENGL_COMPAT
) {
208 struct gl_display_list
*list
= _mesa_lookup_list(ctx
, name
);
210 labelPtr
= &list
->Label
;
216 case GL_PROGRAM_PIPELINE
:
217 /* requires GL 4.2 */
223 if (NULL
== labelPtr
) {
224 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(name = %u)", caller
, name
);
230 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(identifier = %s)",
231 caller
, _mesa_lookup_enum_by_nr(identifier
));
236 _mesa_ObjectLabel(GLenum identifier
, GLuint name
, GLsizei length
,
239 GET_CURRENT_CONTEXT(ctx
);
242 labelPtr
= get_label_pointer(ctx
, identifier
, name
, "glObjectLabel");
246 set_label(ctx
, labelPtr
, label
, length
, "glObjectLabel");
250 _mesa_GetObjectLabel(GLenum identifier
, GLuint name
, GLsizei bufSize
,
251 GLsizei
*length
, GLchar
*label
)
253 GET_CURRENT_CONTEXT(ctx
);
257 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetObjectLabel(bufSize = %d)",
262 labelPtr
= get_label_pointer(ctx
, identifier
, name
, "glGetObjectLabel");
266 copy_label(*labelPtr
, label
, length
, bufSize
);
270 _mesa_ObjectPtrLabel(const void *ptr
, GLsizei length
, const GLchar
*label
)
272 GET_CURRENT_CONTEXT(ctx
);
274 struct gl_sync_object
*const syncObj
= (struct gl_sync_object
*) ptr
;
276 if (!_mesa_validate_sync(ctx
, syncObj
)) {
277 _mesa_error(ctx
, GL_INVALID_VALUE
, "glObjectPtrLabel (not a valid sync object)");
281 labelPtr
= &syncObj
->Label
;
283 set_label(ctx
, labelPtr
, label
, length
, "glObjectPtrLabel");
287 _mesa_GetObjectPtrLabel(const void *ptr
, GLsizei bufSize
, GLsizei
*length
,
290 GET_CURRENT_CONTEXT(ctx
);
292 struct gl_sync_object
*const syncObj
= (struct gl_sync_object
*) ptr
;
295 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetObjectPtrLabel(bufSize = %d)",
300 if (!_mesa_validate_sync(ctx
, syncObj
)) {
301 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetObjectPtrLabel (not a valid sync object)");
305 labelPtr
= &syncObj
->Label
;
307 copy_label(*labelPtr
, label
, length
, bufSize
);