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https://github.com/nzp-team/fteqw.git
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Added GL_ARB_shader_objects extension code in glsupp.h
Added init of the used functions to GL_CheckExtensions and some functions for the simplifying api to gl_vidcommon.c Added the function declarations and other defines for that interface to glquake.h git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@723 fc73d0e0-1445-4013-8a0c-d673dee63da5
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KrimZon
parent
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commit
4b60b739f7
3 changed files with 252 additions and 1 deletions
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@ -92,7 +92,21 @@ PFNGLGENPROGRAMSARBPROC qglGenProgramsARB;
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PFNGLLOCKARRAYSEXTPROC qglLockArraysEXT;
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PFNGLUNLOCKARRAYSEXTPROC qglUnlockArraysEXT;
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//glslang - arb_shader_objects
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PFNGLCREATEPROGRAMOBJECTARBPROC qglCreateProgramObjectARB;
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PFNGLDELETEOBJECTARBPROC qglDeleteObjectARB;
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PFNGLUSEPROGRAMOBJECTARBPROC qglUseProgramObjectARB;
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PFNGLCREATESHADEROBJECTARBPROC qglCreateShaderObjectARB;
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PFNGLSHADERSOURCEARBPROC qglShaderSourceARB;
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PFNGLCOMPILESHADERARBPROC qglCompileShaderARB;
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PFNGLGETOBJECTPARAMETERIVARBPROC qglGetObjectParameterivARB;
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PFNGLATTACHOBJECTARBPROC qglAttachObjectARB;
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PFNGLGETINFOLOGARBPROC qglGetInfoLogARB;
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PFNGLLINKPROGRAMARBPROC qglLinkProgramARB;
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PFNGLGETUNIFORMLOCATIONARBPROC qglGetUniformLocationARB;
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PFNGLUNIFORM4FARBPROC qglUniform4fARB;
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PFNGLUNIFORM1IARBPROC qglUniform1iARB;
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PFNGLUNIFORM1FARBPROC qglUniform1fARB;
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//extensions
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//arb multitexture
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@ -194,6 +208,8 @@ void GL_CheckExtensions (void *(*getglfunction) (char *name))
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gl_config.arb_texture_env_dot3 = false;
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gl_config.arb_texture_cube_map = false;
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gl_config.arb_fragment_program = false;
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gl_config.arb_shader_objects = false;
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if (strstr(gl_extensions, "GL_ARB_texture_non_power_of_two"))
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gl_config.arb_texture_non_power_of_two = true;
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@ -301,6 +317,110 @@ void GL_CheckExtensions (void *(*getglfunction) (char *name))
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qglBindProgramARB = (void *)getglext("glBindProgramARB");
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qglGenProgramsARB = (void *)getglext("glGenProgramsARB");
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}
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// glslang
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if (!!strstr(gl_extensions, "GL_ARB_shader_objects"))
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{
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gl_config.arb_shader_objects = true;
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qglCreateProgramObjectARB = (void *)getglext("glCreateProgramObjectARB");
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qglDeleteObjectARB = (void *)getglext("glDeleteObjectARB");
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qglUseProgramObjectARB = (void *)getglext("glUseProgramObjectARB");
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qglCreateShaderObjectARB = (void *)getglext("glCreateShaderObjectARB");
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qglShaderSourceARB = (void *)getglext("glShaderSourceARB");
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qglCompileShaderARB = (void *)getglext("glCompileShaderARB");
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qglGetObjectParameterivARB = (void *)getglext("glGetObjectParameterivARB");
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qglAttachObjectARB = (void *)getglext("glAttachObjectARB");
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qglGetInfoLogARB = (void *)getglext("glGetInfoLogARB");
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qglLinkProgramARB = (void *)getglext("glLinkProgramARB");
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qglGetUniformLocationARB = (void *)getglext("glGetUniformLocationARB");
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qglUniform4fARB = (void *)getglext("glUniform4fARB");
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qglUniform1iARB = (void *)getglext("glUniform1iARB");
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qglUniform1fARB = (void *)getglext("glUniform1fARB");
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}
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}
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// glslang helper api function definitions
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// type should be GL_FRAGMENT_SHADER_ARB or GL_VERTEX_SHADER_ARB
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GLhandleARB GLSlang_CreateShader (char *shadersource, int shadertype)
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{
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GLhandleARB shader;
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GLenum type;
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GLint compiled;
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char str[1024];
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switch (shadertype)
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{
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case 0:
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type = GL_FRAGMENT_SHADER_ARB;
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break;
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case 1:
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type = GL_VERTEX_SHADER_ARB;
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break;
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default:
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return -1;
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break;
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}
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shader = qglCreateShaderObjectARB(type);
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qglShaderSourceARB(shader, 1, &shadersource, NULL);
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qglCompileShaderARB(shader);
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qglGetObjectParameterivARB(shader, GL_OBJECT_COMPILE_STATUS_ARB, &compiled);
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if(!compiled)
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{
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qglGetInfoLogARB(shader, sizeof(str), NULL, str);
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switch (shadertype)
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{
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case 0:
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Con_Printf("Fragment shader compilation error:\n----------\n%s\n----------\n", str);
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break;
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case 1:
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Con_Printf("Vertex shader compilation error:\n----------\n%s\n----------\n", str);
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break;
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default:
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Con_Printf("Shader_CreateShader: This shouldn't happen ever\n");
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break;
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}
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return -1;
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}
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return shader;
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}
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GLhandleARB GLSlang_CreateProgram (GLhandleARB vert, GLhandleARB frag)
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{
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GLhandleARB program;
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GLint linked;
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char str[1024];
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program = qglCreateProgramObjectARB();
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qglAttachObjectARB(program, vert);
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qglAttachObjectARB(program, frag);
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qglLinkProgramARB(program);
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qglGetObjectParameterivARB(program, GL_OBJECT_LINK_STATUS_ARB, &linked);
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if(!linked)
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{
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qglGetInfoLogARB(program, sizeof(str), NULL, str);
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Con_Printf("Program link error: %s\n", str);
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return (int)NULL;
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}
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return program;
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}
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GLint GLSlang_GetUniformLocation (int prog, char *name)
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{
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int i = qglGetUniformLocationARB(prog, name);
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if (i == -1)
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{
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Con_Printf("Failed to get location of uniform '%s'\n", name);
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}
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return i;
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}
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//the vid routines have initialised a window, and now they are giving us a reference to some of of GetProcAddress to get pointers to the funcs.
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@ -100,6 +100,7 @@ typedef struct {
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qboolean arb_texture_compression;
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qboolean arb_fragment_program;
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qboolean arb_shader_objects;
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qboolean ext_stencil_wrap;
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int maxtmus; //max texture units
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} gl_config_t;
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@ -715,6 +716,32 @@ extern PFNGLGETPROGRAMIVARBPROC qglGetProgramivARB;
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extern PFNGLBINDPROGRAMARBPROC qglBindProgramARB;
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extern PFNGLGENPROGRAMSARBPROC qglGenProgramsARB;
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//glslang - arb_shader_objects
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extern PFNGLCREATEPROGRAMOBJECTARBPROC qglCreateProgramObjectARB;
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extern PFNGLDELETEOBJECTARBPROC qglDeleteObjectARB;
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extern PFNGLUSEPROGRAMOBJECTARBPROC qglUseProgramObjectARB;
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extern PFNGLCREATESHADEROBJECTARBPROC qglCreateShaderObjectARB;
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extern PFNGLSHADERSOURCEARBPROC qglShaderSourceARB;
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extern PFNGLCOMPILESHADERARBPROC qglCompileShaderARB;
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extern PFNGLGETOBJECTPARAMETERIVARBPROC qglGetObjectParameterivARB;
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extern PFNGLATTACHOBJECTARBPROC qglAttachObjectARB;
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extern PFNGLGETINFOLOGARBPROC qglGetInfoLogARB;
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extern PFNGLLINKPROGRAMARBPROC qglLinkProgramARB;
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extern PFNGLGETUNIFORMLOCATIONARBPROC qglGetUniformLocationARB;
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extern PFNGLUNIFORM4FARBPROC qglUniform4fARB;
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extern PFNGLUNIFORM1IARBPROC qglUniform1iARB;
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extern PFNGLUNIFORM1FARBPROC qglUniform1fARB;
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//glslang helper api
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GLhandleARB GLSlang_CreateShader (char *shadersource, int shadertype);
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GLhandleARB GLSlang_CreateProgram (GLhandleARB vert, GLhandleARB frag);
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GLint GLSlang_GetUniformLocation (int prog, char *name);
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#define GLSlang_UseProgram(prog) qglUseProgramObjectARB(prog);
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#define GLSlang_SetUniform1i(uni, parm0) qglUniform1iARB(uni, parm0);
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#define GLSlang_SetUniform1f(uni, parm0) qglUniform1fARB(uni, parm0);
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#define GLSlang_DeleteObject(object) qglDeleteObjectARB(object);
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extern PFNGLLOCKARRAYSEXTPROC qglLockArraysEXT;
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extern PFNGLUNLOCKARRAYSEXTPROC qglUnlockArraysEXT;
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@ -417,6 +417,110 @@ typedef GLboolean (APIENTRYP PFNGLISPROGRAMARBPROC) (GLuint program);
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/* All ARB_fragment_program entry points are shared with ARB_vertex_program. */
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#endif
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#ifndef GL_ARB_shader_objects
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#define GL_ARB_shader_objects 1
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#define GL_PROGRAM_OBJECT_ARB 0x8B40
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#define GL_OBJECT_TYPE_ARB 0x8B4E
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#define GL_OBJECT_SUBTYPE_ARB 0x8B4F
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#define GL_OBJECT_DELETE_STATUS_ARB 0x8B80
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#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
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#define GL_OBJECT_LINK_STATUS_ARB 0x8B82
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#define GL_OBJECT_VALIDATE_STATUS_ARB 0x8B83
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#define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84
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#define GL_OBJECT_ATTACHED_OBJECTS_ARB 0x8B85
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#define GL_OBJECT_ACTIVE_UNIFORMS_ARB 0x8B86
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#define GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB 0x8B87
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#define GL_OBJECT_SHADER_SOURCE_LENGTH_ARB 0x8B88
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#define GL_SHADER_OBJECT_ARB 0x8B48
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#define GL_FLOAT 0x1406
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#define GL_FLOAT_VEC2_ARB 0x8B50
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#define GL_FLOAT_VEC3_ARB 0x8B51
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#define GL_FLOAT_VEC4_ARB 0x8B52
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//#define GL_INT 0x1404
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#define GL_INT_VEC2_ARB 0x8B53
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#define GL_INT_VEC3_ARB 0x8B54
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#define GL_INT_VEC4_ARB 0x8B55
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#define GL_BOOL_ARB 0x8B56
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#define GL_BOOL_VEC2_ARB 0x8B57
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#define GL_BOOL_VEC3_ARB 0x8B58
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#define GL_BOOL_VEC4_ARB 0x8B59
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#define GL_FLOAT_MAT2_ARB 0x8B5A
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#define GL_FLOAT_MAT3_ARB 0x8B5B
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#define GL_FLOAT_MAT4_ARB 0x8B5C
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#define GL_SAMPLER_1D_ARB 0x8B5D
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#define GL_SAMPLER_2D_ARB 0x8B5E
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#define GL_SAMPLER_3D_ARB 0x8B5F
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#define GL_SAMPLER_CUBE_ARB 0x8B60
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#define GL_SAMPLER_1D_SHADOW_ARB 0x8B61
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#define GL_SAMPLER_2D_SHADOW_ARB 0x8B62
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#define GL_SAMPLER_2D_RECT_ARB 0x8B63
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#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
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// dont know if these two should go somewhere better:
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typedef unsigned int GLhandleARB;
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typedef char GLcharARB;
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typedef void (APIENTRYP PFNGLDELETEOBJECTARBPROC) (GLhandleARB obj);
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typedef GLhandleARB (APIENTRYP PFNGLGETHANDLEARBPROC) (GLenum pname);
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typedef void (APIENTRYP PFNGLDETACHOBJECTARBPROC) (GLhandleARB containerObj, GLhandleARB attachedObj);
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typedef GLhandleARB (APIENTRYP PFNGLCREATESHADEROBJECTARBPROC) (GLenum shaderType);
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typedef void (APIENTRYP PFNGLSHADERSOURCEARBPROC) (GLhandleARB shaderObj, GLsizei count, const GLcharARB* *string, const GLint *length);
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typedef void (APIENTRYP PFNGLCOMPILESHADERARBPROC) (GLhandleARB shaderObj);
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typedef GLhandleARB (APIENTRYP PFNGLCREATEPROGRAMOBJECTARBPROC) (void);
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typedef void (APIENTRYP PFNGLATTACHOBJECTARBPROC) (GLhandleARB containerObj, GLhandleARB obj);
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typedef void (APIENTRYP PFNGLLINKPROGRAMARBPROC) (GLhandleARB programObj);
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typedef void (APIENTRYP PFNGLUSEPROGRAMOBJECTARBPROC) (GLhandleARB programObj);
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typedef void (APIENTRYP PFNGLVALIDATEPROGRAMARBPROC) (GLhandleARB programObj);
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typedef void (APIENTRYP PFNGLUNIFORM1FARBPROC) (GLint location, GLfloat v0);
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typedef void (APIENTRYP PFNGLUNIFORM2FARBPROC) (GLint location, GLfloat v0, GLfloat v1);
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typedef void (APIENTRYP PFNGLUNIFORM3FARBPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
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typedef void (APIENTRYP PFNGLUNIFORM4FARBPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
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typedef void (APIENTRYP PFNGLUNIFORM1IARBPROC) (GLint location, GLint v0);
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typedef void (APIENTRYP PFNGLUNIFORM2IARBPROC) (GLint location, GLint v0, GLint v1);
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typedef void (APIENTRYP PFNGLUNIFORM3IARBPROC) (GLint location, GLint v0, GLint v1, GLint v2);
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typedef void (APIENTRYP PFNGLUNIFORM4IARBPROC) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
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typedef void (APIENTRYP PFNGLUNIFORM1FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
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typedef void (APIENTRYP PFNGLUNIFORM2FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
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typedef void (APIENTRYP PFNGLUNIFORM3FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
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typedef void (APIENTRYP PFNGLUNIFORM4FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
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typedef void (APIENTRYP PFNGLUNIFORM1IVARBPROC) (GLint location, GLsizei count, GLint *value);
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typedef void (APIENTRYP PFNGLUNIFORM2IVARBPROC) (GLint location, GLsizei count, GLint *value);
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typedef void (APIENTRYP PFNGLUNIFORM3IVARBPROC) (GLint location, GLsizei count, GLint *value);
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typedef void (APIENTRYP PFNGLUNIFORM4IVARBPROC) (GLint location, GLsizei count, GLint *value);
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typedef void (APIENTRYP PFNGLUNIFORMMATRIX2FVARBPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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typedef void (APIENTRYP PFNGLUNIFORMMATRIX3FVARBPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVARBPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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typedef void (APIENTRYP PFNGLGETOBJECTPARAMETERFVARBPROC) (GLhandleARB obj, GLenum pname, GLfloat *params);
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typedef void (APIENTRYP PFNGLGETOBJECTPARAMETERIVARBPROC) (GLhandleARB obj, GLenum pname, GLint *params);
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typedef void (APIENTRYP PFNGLGETINFOLOGARBPROC) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
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typedef void (APIENTRYP PFNGLGETATTACHEDOBJECTSARB) (GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
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typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONARBPROC) (GLhandleARB programObj, const GLcharARB *name);
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typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMARBPROC) (GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLsizei *size, GLenum *type, GLcharARB *name);
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typedef void (APIENTRYP PFNGLGETUNIFORMFVARBPROC) (GLhandleARB programObj, GLint location, GLfloat *parms);
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typedef void (APIENTRYP PFNGLGETUNIFORMIVARBPROC) (GLhandleARB programObj, GLint location, GLint *parms);
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typedef void (APIENTRYP PFNGLGETSHADERSOURCEARBPROC) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
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#endif // GL_ARB_shader_objects
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#ifndef GL_ARB_vertex_shader
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#define GL_VERTEX_SHADER_ARB 0x8B31
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#define GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB 0x8B4A
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#define GL_MAX_VARYING_FLOATS_ARB 0x8B4B
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#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB 0x8B4C
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#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB 0x8B4D
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#define GL_OBJECT_ACTIVE_ATTRIBUTES_ARB 0x8B89
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#define GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB 0x8B8A
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#endif
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#ifndef GL_ARB_fragment_shader
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#define GL_FRAGMENT_SHADER_ARB 0x8B30
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#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB 0x8B49
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#endif
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#ifndef GL_SGIS_generate_mipmap
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#define GL_SGIS_generate_mipmap 1
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