2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul 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.
29 #include "debug_output.h"
32 #include "extensions.h"
38 * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query.
40 static const GLubyte
*
41 shading_language_version(struct gl_context
*ctx
)
44 case API_OPENGL_COMPAT
:
46 switch (ctx
->Const
.GLSLVersion
) {
48 return (const GLubyte
*) "1.20";
50 return (const GLubyte
*) "1.30";
52 return (const GLubyte
*) "1.40";
54 return (const GLubyte
*) "1.50";
56 return (const GLubyte
*) "3.30";
58 return (const GLubyte
*) "4.00";
60 return (const GLubyte
*) "4.10";
62 return (const GLubyte
*) "4.20";
64 return (const GLubyte
*) "4.30";
66 return (const GLubyte
*) "4.40";
68 return (const GLubyte
*) "4.50";
70 return (const GLubyte
*) "4.60";
73 "Invalid GLSL version in shading_language_version()");
74 return (const GLubyte
*) 0;
79 switch (ctx
->Version
) {
81 return (const GLubyte
*) "OpenGL ES GLSL ES 1.0.16";
83 return (const GLubyte
*) "OpenGL ES GLSL ES 3.00";
85 return (const GLubyte
*) "OpenGL ES GLSL ES 3.10";
87 return (const GLubyte
*) "OpenGL ES GLSL ES 3.20";
90 "Invalid OpenGL ES version in shading_language_version()");
91 return (const GLubyte
*) 0;
97 _mesa_problem(ctx
, "Unexpected API value in shading_language_version()");
98 return (const GLubyte
*) 0;
104 * Query string-valued state. The return value should _not_ be freed by
107 * \param name the state variable to query.
111 * Tries to get the string from dd_function_table::GetString, otherwise returns
112 * the hardcoded strings.
114 const GLubyte
* GLAPIENTRY
115 _mesa_GetString( GLenum name
)
117 GET_CURRENT_CONTEXT(ctx
);
118 static const char *vendor
= "Brian Paul";
119 static const char *renderer
= "Mesa";
124 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, NULL
);
126 /* this is a required driver function */
127 assert(ctx
->Driver
.GetString
);
129 /* Give the driver the chance to handle this query */
130 const GLubyte
*str
= ctx
->Driver
.GetString(ctx
, name
);
137 return (const GLubyte
*) vendor
;
139 return (const GLubyte
*) renderer
;
141 return (const GLubyte
*) ctx
->VersionString
;
143 if (ctx
->API
== API_OPENGL_CORE
) {
144 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetString(GL_EXTENSIONS)");
145 return (const GLubyte
*) 0;
147 if (!ctx
->Extensions
.String
)
148 ctx
->Extensions
.String
= _mesa_make_extension_string(ctx
);
149 return (const GLubyte
*) ctx
->Extensions
.String
;
150 case GL_SHADING_LANGUAGE_VERSION
:
151 if (ctx
->API
== API_OPENGLES
)
153 return shading_language_version(ctx
);
154 case GL_PROGRAM_ERROR_STRING_ARB
:
155 if (ctx
->API
== API_OPENGL_COMPAT
&&
156 (ctx
->Extensions
.ARB_fragment_program
||
157 ctx
->Extensions
.ARB_vertex_program
)) {
158 return (const GLubyte
*) ctx
->Program
.ErrorString
;
165 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetString" );
166 return (const GLubyte
*) 0;
173 const GLubyte
* GLAPIENTRY
174 _mesa_GetStringi(GLenum name
, GLuint index
)
176 GET_CURRENT_CONTEXT(ctx
);
181 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, NULL
);
185 if (index
>= _mesa_get_extension_count(ctx
)) {
186 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetStringi(index=%u)", index
);
187 return (const GLubyte
*) 0;
189 return _mesa_get_enabled_extension(ctx
, index
);
190 case GL_SHADING_LANGUAGE_VERSION
:
194 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 43) {
195 _mesa_error(ctx
, GL_INVALID_ENUM
,
196 "glGetStringi(GL_SHADING_LANGUAGE_VERSION): "
197 "supported only in GL4.3 and later");
198 return (const GLubyte
*) 0;
200 num
= _mesa_get_shading_language_version(ctx
, index
, &version
);
202 _mesa_error(ctx
, GL_INVALID_VALUE
,
203 "glGetStringi(GL_SHADING_LANGUAGE_VERSION, index=%d)",
205 return (const GLubyte
*) 0;
207 return (const GLubyte
*) version
;
210 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetStringi");
211 return (const GLubyte
*) 0;
218 * Return pointer-valued state, such as a vertex array pointer.
220 * \param pname names state to be queried
221 * \param params returns the pointer value
223 * \sa glGetPointerv().
225 * Tries to get the specified pointer via dd_function_table::GetPointerv,
226 * otherwise gets the specified pointer from the current context.
229 _mesa_GetPointerv( GLenum pname
, GLvoid
**params
)
231 GET_CURRENT_CONTEXT(ctx
);
232 const GLuint clientUnit
= ctx
->Array
.ActiveTexture
;
233 const char *callerstr
;
235 if (_mesa_is_desktop_gl(ctx
))
236 callerstr
= "glGetPointerv";
238 callerstr
= "glGetPointervKHR";
243 if (MESA_VERBOSE
& VERBOSE_API
)
244 _mesa_debug(ctx
, "%s %s\n", callerstr
, _mesa_enum_to_string(pname
));
247 case GL_VERTEX_ARRAY_POINTER
:
248 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
250 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_POS
].Ptr
;
252 case GL_NORMAL_ARRAY_POINTER
:
253 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
255 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Ptr
;
257 case GL_COLOR_ARRAY_POINTER
:
258 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
260 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Ptr
;
262 case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT
:
263 if (ctx
->API
!= API_OPENGL_COMPAT
)
265 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Ptr
;
267 case GL_FOG_COORDINATE_ARRAY_POINTER_EXT
:
268 if (ctx
->API
!= API_OPENGL_COMPAT
)
270 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_FOG
].Ptr
;
272 case GL_INDEX_ARRAY_POINTER
:
273 if (ctx
->API
!= API_OPENGL_COMPAT
)
275 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Ptr
;
277 case GL_TEXTURE_COORD_ARRAY_POINTER
:
278 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
280 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_TEX(clientUnit
)].Ptr
;
282 case GL_EDGE_FLAG_ARRAY_POINTER
:
283 if (ctx
->API
!= API_OPENGL_COMPAT
)
285 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Ptr
;
287 case GL_FEEDBACK_BUFFER_POINTER
:
288 if (ctx
->API
!= API_OPENGL_COMPAT
)
290 *params
= ctx
->Feedback
.Buffer
;
292 case GL_SELECTION_BUFFER_POINTER
:
293 if (ctx
->API
!= API_OPENGL_COMPAT
)
295 *params
= ctx
->Select
.Buffer
;
297 case GL_POINT_SIZE_ARRAY_POINTER_OES
:
298 if (ctx
->API
!= API_OPENGLES
)
300 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Ptr
;
302 case GL_DEBUG_CALLBACK_FUNCTION_ARB
:
303 case GL_DEBUG_CALLBACK_USER_PARAM_ARB
:
304 *params
= _mesa_get_debug_state_ptr(ctx
, pname
);
313 _mesa_error( ctx
, GL_INVALID_ENUM
, "%s", callerstr
);
319 * Returns the current GL error code, or GL_NO_ERROR.
320 * \return current error code
322 * Returns __struct gl_contextRec::ErrorValue.
325 _mesa_GetError( void )
327 GET_CURRENT_CONTEXT(ctx
);
328 GLenum e
= ctx
->ErrorValue
;
329 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
331 /* From Issue (3) of the KHR_no_error spec:
333 * "Should glGetError() always return NO_ERROR or have undefined
336 * RESOLVED: It should for all errors except OUT_OF_MEMORY."
338 if (_mesa_is_no_error_enabled(ctx
) && e
!= GL_OUT_OF_MEMORY
) {
342 if (MESA_VERBOSE
& VERBOSE_API
)
343 _mesa_debug(ctx
, "glGetError <-- %s\n", _mesa_enum_to_string(e
));
345 ctx
->ErrorValue
= (GLenum
) GL_NO_ERROR
;
346 ctx
->ErrorDebugCount
= 0;