88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
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/*
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* Copyright (C) 1999 - 2005 Yoshi <yoshi@giganet.net>
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* Copyright (C) 2006 John M. Gabriele <jmg3000@gmail.com>
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*
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* This program is distributed under the terms of the MIT license.
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* See the included MIT-LICENSE file for the terms of this license.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#elif defined WIN32
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#include <windows.h>
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#include <GL/gl.h>
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#else
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#include <GL/gl.h>
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#endif
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#include "../common/common.h"
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#ifdef WIN32
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#define DLLEXPORT __declspec(dllexport)
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#else
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#define DLLEXPORT
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#endif
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static VALUE module;
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void gl_init_enums(VALUE);
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void gl_init_functions_1_0__1_1(VALUE);
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void gl_init_functions_1_2(VALUE);
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void gl_init_functions_1_3(VALUE);
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void gl_init_functions_1_4(VALUE);
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void gl_init_functions_1_5(VALUE);
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void gl_init_functions_2_0(VALUE);
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void gl_init_functions_2_1(VALUE);
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VALUE IsFunctionAvailable(char *name)
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{
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GLvoid *ret;
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ret = load_gl_function(name,0); /* won't raise */
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if (ret==NULL)
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return Qfalse;
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else
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return Qtrue;
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}
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static VALUE
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IsAvailable(obj,arg1)
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VALUE obj,arg1;
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{
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char *name = RSTRING(arg1)->ptr;
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Check_Type(arg1, T_STRING);
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if (name && name[0] && (name[0]=='G' || name[0]=='W')) { /* GL_, GLX_, WGL_ extension */
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char buf[512+128];
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if (strlen(name)>(512))
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return Qfalse;
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if (glGetString(GL_EXTENSIONS)==0)
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return Qfalse;
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sprintf(buf,"Gl.glGetString(Gl::GL_EXTENSIONS).split(' ').include?('%s')", name);
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return rb_eval_string(buf);
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} else { /* function */
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return IsFunctionAvailable(name);
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}
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}
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DLLEXPORT void Init_gl()
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{
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module = rb_define_module("Gl");
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gl_init_enums(module);
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gl_init_functions_1_0__1_1(module);
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gl_init_functions_1_2(module);
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gl_init_functions_1_3(module);
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gl_init_functions_1_4(module);
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gl_init_functions_1_5(module);
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gl_init_functions_2_0(module);
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gl_init_functions_2_1(module);
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rb_define_module_function(module, "is_available?", IsAvailable, 1);
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}
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