654 lines
41 KiB
C++
654 lines
41 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_GLEXTENSIONS
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#define OSG_GLEXTENSIONS 1
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#include <osg/Export>
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#include <osg/GLDefines>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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namespace osg {
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/** Return floating-point OpenGL version number.
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* Note: Must only be called within a valid OpenGL context,
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* undefined behavior may occur otherwise.
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*/
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extern OSG_EXPORT float getGLVersionNumber();
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/** Return true if "extension" is contained in "extensionString".
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*/
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extern OSG_EXPORT bool isExtensionInExtensionString(const char *extension, const char *extensionString);
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/** Return true if OpenGL "extension" is supported.
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* Note: Must only be called within a valid OpenGL context,
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* undefined behavior may occur otherwise.
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*/
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extern OSG_EXPORT bool isGLExtensionSupported(unsigned int contextID, const char *extension);
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/** Return true if OpenGL "extension" or minimum OpenGL version number is supported.
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* Note: Must only be called within a valid OpenGL context,
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* undefined behavior may occur otherwise.
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*/
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extern OSG_EXPORT bool isGLExtensionOrVersionSupported(unsigned int contextID, const char *extension, float requiredGlVersion);
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/** Return the address of the specified OpenGL function.
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* Return NULL if function not supported by OpenGL library.
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* Note, glGLExtensionFuncPtr is declared inline so that the code
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* is compiled locally to the calling code. This should get by Windows'
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* dumb implementation of having different GL function ptr's for each
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* library when linked to it.
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*/
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extern OSG_EXPORT void* getGLExtensionFuncPtr(const char *funcName);
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/** Set a list of extensions to disable for different OpenGL renderers. This allows
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* OSG applications to work around OpenGL drivers' bugs which are due to problematic extension support.
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* The format of the string is:
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* "GLRendererString : ExtensionName, ExtensionName; GLRenderString2 : ExtensionName;"
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* An example of is : "SUN_XVR1000:GL_EXT_texture_filter_anisotropic"
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* The default setting of GLExtensionDisableString is obtained from the OSG_GL_EXTENSION_DISABLE
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* environmental variable.
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*/
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extern OSG_EXPORT void setGLExtensionDisableString(const std::string& disableString);
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/** Get the list of extensions that are disabled for various OpenGL renderers. */
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extern OSG_EXPORT std::string& getGLExtensionDisableString();
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/** Return the address of the specified OpenGL function. If not found then
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* check a second function name, if this fails then return NULL as function is
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* not supported by OpenGL library. This is used for checking something
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* like glActiveTexture (which is in OGL1.3) or glActiveTextureARB.
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*/
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inline void* getGLExtensionFuncPtr(const char *funcName, const char *fallbackFuncName)
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{
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void* ptr = getGLExtensionFuncPtr(funcName);
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return (ptr!=0) ? ptr : getGLExtensionFuncPtr(fallbackFuncName);
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}
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/** Return the address of the specified OpenGL function. If not found then
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* check a second function name, if this fails then return NULL as function is
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* not supported by OpenGL library. This is used for checking something
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* like glActiveTexture (which is in OGL1.3) or glActiveTextureARB.
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*/
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inline void* getGLExtensionFuncPtr(const char *funcName1, const char *funcName2, const char *funcName3)
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{
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void* ptr = getGLExtensionFuncPtr(funcName1);
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return (ptr!=0) ? ptr : getGLExtensionFuncPtr(funcName2, funcName3);
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}
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template<typename T, typename R>
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bool convertPointer(T& dest, R src)
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{
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memcpy(&dest, &src, sizeof(src));
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return src!=0;
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}
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template<typename T, typename R>
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T convertPointerType(R src)
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{
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T dest;
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memcpy(&dest, &src, sizeof(src));
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return dest;
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}
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template<typename T>
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bool setGLExtensionFuncPtr(T& t, const char* str1, bool validContext=true)
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{
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return convertPointer(t, validContext ? osg::getGLExtensionFuncPtr(str1) : 0);
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}
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template<typename T>
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bool setGLExtensionFuncPtr(T& t, const char* str1, const char* str2, bool validContext=true)
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{
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return convertPointer(t, validContext ? osg::getGLExtensionFuncPtr(str1, str2) : 0);
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}
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template<typename T>
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bool setGLExtensionFuncPtr(T& t, const char* str1, const char* str2, const char* str3, bool validContext=true)
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{
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return convertPointer(t, validContext ? osg::getGLExtensionFuncPtr(str1, str2, str3) : 0);
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}
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/** Main GLExtensions class for managing OpenGL extensions per graphics context.*/
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class OSG_EXPORT GLExtensions : public osg::Referenced
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{
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public:
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GLExtensions(unsigned int contextID);
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/** Function to call to get the extension of a specified context.
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* If the Exentsion object for that context has not yet been created then
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* and the 'createIfNotInitalized' flag been set to false then returns NULL.
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* If 'createIfNotInitalized' is true then the Extensions object is
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* automatically created. However, in this case the extension object
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* only be created with the graphics context associated with ContextID..*/
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static GLExtensions* Get(unsigned int contextID,bool createIfNotInitalized);
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/** allows users to override the extensions across graphics contexts.
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* typically used when you have different extensions supported across graphics pipes
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* but need to ensure that they all use the same low common denominator extensions.*/
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static void Set(unsigned int contextID, GLExtensions* extensions);
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// C++-friendly convenience wrapper methods
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GLuint getCurrentProgram() const;
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bool getProgramInfoLog( GLuint program, std::string& result ) const;
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bool getShaderInfoLog( GLuint shader, std::string& result ) const;
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bool getAttribLocation( const char* attribName, GLuint& slot ) const;
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bool getFragDataLocation( const char* fragDataName, GLuint& slot) const;
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float glVersion;
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float glslLanguageVersion;
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bool isGlslSupported;
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bool isShaderObjectsSupported;
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bool isVertexShaderSupported;
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bool isFragmentShaderSupported;
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bool isLanguage100Supported;
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bool isGeometryShader4Supported;
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bool areTessellationShadersSupported;
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bool isGpuShader4Supported;
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bool isUniformBufferObjectSupported;
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bool isGetProgramBinarySupported;
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bool isGpuShaderFp64Supported;
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bool isShaderAtomicCountersSupported;
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bool isRectangleSupported;
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bool isCubeMapSupported;
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bool isClipControlSupported;
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void (GL_APIENTRY * glDrawBuffers)(GLsizei n, const GLenum *bufs);
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void (GL_APIENTRY * glAttachShader)(GLuint program, GLuint shader);
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void (GL_APIENTRY * glBindAttribLocation)(GLuint program, GLuint index, const GLchar *name);
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void (GL_APIENTRY * glCompileShader)(GLuint shader);
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GLuint (GL_APIENTRY * glCreateProgram)(void);
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GLuint (GL_APIENTRY * glCreateShader)(GLenum type);
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void (GL_APIENTRY * glDeleteProgram)(GLuint program);
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void (GL_APIENTRY * glDeleteObjectARB)(GLuint program);
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void (GL_APIENTRY * glDeleteShader)(GLuint shader);
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void (GL_APIENTRY * glDetachShader)(GLuint program, GLuint shader);
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void (GL_APIENTRY * glDisableVertexAttribArray)(GLuint index);
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void (GL_APIENTRY * glEnableVertexAttribArray)(GLuint index);
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void (GL_APIENTRY * glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
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void (GL_APIENTRY * glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
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void (GL_APIENTRY * glGetAttachedShaders)(GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj);
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GLint (GL_APIENTRY * glGetAttribLocation)(GLuint program, const GLchar *name);
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void (GL_APIENTRY * glGetProgramiv)(GLuint program, GLenum pname, GLint *params);
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void (GL_APIENTRY * glGetObjectParameterivARB)(GLuint program, GLenum pname, GLint *params);
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void (GL_APIENTRY * glGetProgramInfoLog)(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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void (GL_APIENTRY * glGetInfoLogARB)(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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void (GL_APIENTRY * glGetShaderiv)(GLuint shader, GLenum pname, GLint *params);
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void (GL_APIENTRY * glGetShaderInfoLog)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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void (GL_APIENTRY * glGetShaderSource)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
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GLint (GL_APIENTRY * glGetUniformLocation)(GLuint program, const GLchar *name);
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void (GL_APIENTRY * glGetUniformfv)(GLuint program, GLint location, GLfloat *params);
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void (GL_APIENTRY * glGetUniformiv)(GLuint program, GLint location, GLint *params);
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void (GL_APIENTRY * glGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
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void (GL_APIENTRY * glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
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void (GL_APIENTRY * glGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
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void (GL_APIENTRY * glGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid* *pointer);
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GLboolean (GL_APIENTRY * glIsProgram)(GLuint program);
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GLboolean (GL_APIENTRY * glIsShader)(GLuint shader);
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void (GL_APIENTRY * glLinkProgram)(GLuint program);
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void (GL_APIENTRY * glShaderSource)(GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
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void (GL_APIENTRY * glUseProgram)(GLuint program);
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void (GL_APIENTRY * glUniform1f)(GLint location, GLfloat v0);
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void (GL_APIENTRY * glUniform2f)(GLint location, GLfloat v0, GLfloat v1);
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void (GL_APIENTRY * glUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
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void (GL_APIENTRY * glUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
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void (GL_APIENTRY * glUniform1i)(GLint location, GLint v0);
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void (GL_APIENTRY * glUniform2i)(GLint location, GLint v0, GLint v1);
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void (GL_APIENTRY * glUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
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void (GL_APIENTRY * glUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
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void (GL_APIENTRY * glUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
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void (GL_APIENTRY * glUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
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void (GL_APIENTRY * glUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
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void (GL_APIENTRY * glUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
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void (GL_APIENTRY * glUniform1iv)(GLint location, GLsizei count, const GLint *value);
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void (GL_APIENTRY * glUniform2iv)(GLint location, GLsizei count, const GLint *value);
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void (GL_APIENTRY * glUniform3iv)(GLint location, GLsizei count, const GLint *value);
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void (GL_APIENTRY * glUniform4iv)(GLint location, GLsizei count, const GLint *value);
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void (GL_APIENTRY * glUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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void (GL_APIENTRY * glUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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void (GL_APIENTRY * glUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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void (GL_APIENTRY * glValidateProgram)(GLuint program);
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void (GL_APIENTRY * glVertexAttrib1d)(GLuint index, GLdouble x);
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void (GL_APIENTRY * glVertexAttrib1dv)(GLuint index, const GLdouble *v);
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void (GL_APIENTRY * glVertexAttrib1f)(GLuint index, GLfloat x);
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void (GL_APIENTRY * glVertexAttrib1fv)(GLuint index, const GLfloat *v);
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void (GL_APIENTRY * glVertexAttrib1s)(GLuint index, GLshort x);
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void (GL_APIENTRY * glVertexAttrib1sv)(GLuint index, const GLshort *v);
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void (GL_APIENTRY * glVertexAttrib2d)(GLuint index, GLdouble x, GLdouble y);
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void (GL_APIENTRY * glVertexAttrib2dv)(GLuint index, const GLdouble *v);
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void (GL_APIENTRY * glVertexAttrib2f)(GLuint index, GLfloat x, GLfloat y);
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void (GL_APIENTRY * glVertexAttrib2fv)(GLuint index, const GLfloat *v);
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void (GL_APIENTRY * glVertexAttrib2s)(GLuint index, GLshort x, GLshort y);
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void (GL_APIENTRY * glVertexAttrib2sv)(GLuint index, const GLshort *v);
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void (GL_APIENTRY * glVertexAttrib3d)(GLuint index, GLdouble x, GLdouble y, GLdouble z);
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void (GL_APIENTRY * glVertexAttrib3dv)(GLuint index, const GLdouble *v);
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void (GL_APIENTRY * glVertexAttrib3f)(GLuint index, GLfloat x, GLfloat y, GLfloat z);
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void (GL_APIENTRY * glVertexAttrib3fv)(GLuint index, const GLfloat *v);
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void (GL_APIENTRY * glVertexAttrib3s)(GLuint index, GLshort x, GLshort y, GLshort z);
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void (GL_APIENTRY * glVertexAttrib3sv)(GLuint index, const GLshort *v);
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void (GL_APIENTRY * glVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
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void (GL_APIENTRY * glVertexAttrib4Niv)(GLuint index, const GLint *v);
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void (GL_APIENTRY * glVertexAttrib4Nsv)(GLuint index, const GLshort *v);
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void (GL_APIENTRY * glVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
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void (GL_APIENTRY * glVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
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void (GL_APIENTRY * glVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
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void (GL_APIENTRY * glVertexAttrib4Nusv)(GLuint index, const GLushort *v);
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void (GL_APIENTRY * glVertexAttrib4bv)(GLuint index, const GLbyte *v);
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void (GL_APIENTRY * glVertexAttrib4d)(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
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void (GL_APIENTRY * glVertexAttrib4dv)(GLuint index, const GLdouble *v);
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void (GL_APIENTRY * glVertexAttrib4f)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
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void (GL_APIENTRY * glVertexAttrib4fv)(GLuint index, const GLfloat *v);
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void (GL_APIENTRY * glVertexAttrib4iv)(GLuint index, const GLint *v);
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void (GL_APIENTRY * glVertexAttrib4s)(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w);
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void (GL_APIENTRY * glVertexAttrib4sv)(GLuint index, const GLshort *v);
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void (GL_APIENTRY * glVertexAttrib4ubv)(GLuint index, const GLubyte *v);
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void (GL_APIENTRY * glVertexAttrib4uiv)(GLuint index, const GLuint *v);
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void (GL_APIENTRY * glVertexAttrib4usv)(GLuint index, const GLushort *v);
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void (GL_APIENTRY * glVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
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void (GL_APIENTRY * glVertexAttribDivisor)(GLuint index, GLuint divisor);
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void (GL_APIENTRY * glUniformMatrix2x3fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
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void (GL_APIENTRY * glUniformMatrix3x2fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
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void (GL_APIENTRY * glUniformMatrix2x4fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
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void (GL_APIENTRY * glUniformMatrix4x2fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
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void (GL_APIENTRY * glUniformMatrix3x4fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
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void (GL_APIENTRY * glUniformMatrix4x3fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
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void (GL_APIENTRY * glClipControl)( GLenum origin, GLenum depthMode );
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void (GL_APIENTRY * glProgramParameteri)( GLuint program, GLenum pname, GLint value );
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void (GL_APIENTRY * glPatchParameteri)( GLenum pname, GLint value );
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void (GL_APIENTRY * glPatchParameterfv)( GLenum pname, const GLfloat* values );
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void (GL_APIENTRY * glGetUniformuiv)( GLuint program, GLint location, GLuint* params );
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void (GL_APIENTRY * glBindFragDataLocation)( GLuint program, GLuint color, const GLchar* name );
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GLint (GL_APIENTRY * glGetFragDataLocation)( GLuint program, const GLchar* name );
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void (GL_APIENTRY * glUniform1ui)( GLint location, GLuint v0 );
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void (GL_APIENTRY * glUniform2ui)( GLint location, GLuint v0, GLuint v1 );
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void (GL_APIENTRY * glUniform3ui)( GLint location, GLuint v0, GLuint v1, GLuint v2 );
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void (GL_APIENTRY * glUniform4ui)( GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3 );
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void (GL_APIENTRY * glUniform1uiv)( GLint location, GLsizei count, const GLuint *value );
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void (GL_APIENTRY * glUniform2uiv)( GLint location, GLsizei count, const GLuint *value );
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void (GL_APIENTRY * glUniform3uiv)( GLint location, GLsizei count, const GLuint *value );
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void (GL_APIENTRY * glUniform4uiv)( GLint location, GLsizei count, const GLuint *value );
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GLuint (GL_APIENTRY * glGetHandleARB) (GLenum pname);
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void (GL_APIENTRY * glGetUniformIndices)(GLuint program, GLsizei uniformCount, const GLchar* *uniformNames, GLuint *uniformIndices);
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void (GL_APIENTRY * glGetActiveUniformsiv)(GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params);
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void (GL_APIENTRY * glGetActiveUniformName)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformName);
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GLuint (GL_APIENTRY * glGetUniformBlockIndex)(GLuint program, const GLchar *uniformBlockName);
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void (GL_APIENTRY * glGetActiveUniformBlockiv)(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params);
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void (GL_APIENTRY * glGetActiveUniformBlockName)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName);
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void (GL_APIENTRY * glUniformBlockBinding)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
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void (GL_APIENTRY * glGetProgramBinary)(GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
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void (GL_APIENTRY * glProgramBinary)(GLuint program, GLenum binaryFormat, const GLvoid *binary, GLsizei length);
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void (GL_APIENTRY * glUniform1d)(GLint location, GLdouble v0);
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void (GL_APIENTRY * glUniform2d)(GLint location, GLdouble v0, GLdouble v1);
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void (GL_APIENTRY * glUniform3d)(GLint location, GLdouble v0, GLdouble v1, GLdouble v2);
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void (GL_APIENTRY * glUniform4d)(GLint location, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
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void (GL_APIENTRY * glUniform1dv)(GLint location, GLsizei count, const GLdouble *value);
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void (GL_APIENTRY * glUniform2dv)(GLint location, GLsizei count, const GLdouble *value);
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void (GL_APIENTRY * glUniform3dv)(GLint location, GLsizei count, const GLdouble *value);
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void (GL_APIENTRY * glUniform4dv)(GLint location, GLsizei count, const GLdouble *value);
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void (GL_APIENTRY * glUniformMatrix2dv)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value);
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void (GL_APIENTRY * glUniformMatrix3dv)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value);
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void (GL_APIENTRY * glUniformMatrix4dv)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value);
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void (GL_APIENTRY * glUniformMatrix2x3dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
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void (GL_APIENTRY * glUniformMatrix3x2dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
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void (GL_APIENTRY * glUniformMatrix2x4dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
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void (GL_APIENTRY * glUniformMatrix4x2dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
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void (GL_APIENTRY * glUniformMatrix3x4dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
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void (GL_APIENTRY * glUniformMatrix4x3dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
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void (GL_APIENTRY * glGetActiveAtomicCounterBufferiv)( GLuint program, GLuint bufferIndex, GLenum pname, GLint* params );
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void (GL_APIENTRY * glDispatchCompute)( GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ );
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// Buffer Object extensions
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bool isBufferObjectSupported;
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bool isPBOSupported;
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bool isTBOSupported;
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bool isVAOSupported;
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bool isTransformFeedbackSupported;
|
|
|
|
void (GL_APIENTRY * glGenBuffers) (GLsizei n, GLuint *buffers);
|
|
void (GL_APIENTRY * glBindBuffer) (GLenum target, GLuint buffer);
|
|
void (GL_APIENTRY * glBufferData) (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
|
|
void (GL_APIENTRY * glBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data);
|
|
void (GL_APIENTRY * glDeleteBuffers) (GLsizei n, const GLuint *buffers);
|
|
GLboolean (GL_APIENTRY * glIsBuffer) (GLuint buffer);
|
|
void (GL_APIENTRY * glGetBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data);
|
|
GLvoid* (GL_APIENTRY * glMapBuffer) (GLenum target, GLenum access);
|
|
GLvoid* (GL_APIENTRY * glMapBufferRange)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
|
|
GLboolean (GL_APIENTRY * glUnmapBuffer) (GLenum target);
|
|
void (GL_APIENTRY * glGetBufferParameteriv) (GLenum target, GLenum pname, GLint *params);
|
|
void (GL_APIENTRY * glGetBufferPointerv) (GLenum target, GLenum pname, GLvoid* *params);
|
|
void (GL_APIENTRY * glBindBufferRange) (GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
|
|
void (GL_APIENTRY * glBindBufferBase) (GLenum target, GLuint index, GLuint buffer);
|
|
void (GL_APIENTRY * glTexBuffer) (GLenum target, GLenum internalFormat, GLuint buffer);
|
|
|
|
void (GL_APIENTRY * glMemoryBarrier)( GLbitfield barriers );
|
|
|
|
// BlendFunc extensions
|
|
bool isBlendFuncSeparateSupported;
|
|
void (GL_APIENTRY * glBlendFuncSeparate) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) ;
|
|
|
|
void (GL_APIENTRY * glBlendFunci) (GLuint buf, GLenum src, GLenum dst);
|
|
void (GL_APIENTRY * glBlendFuncSeparatei) (GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) ;
|
|
|
|
|
|
// Vertex Array extensions
|
|
bool isSecondaryColorSupported;
|
|
bool isFogCoordSupported;
|
|
bool isMultiTexSupported;
|
|
bool isOcclusionQuerySupported;
|
|
bool isARBOcclusionQuerySupported;
|
|
bool isTimerQuerySupported;
|
|
bool isARBTimerQuerySupported;
|
|
|
|
void (GL_APIENTRY * glSecondaryColor3ubv) (const GLubyte* coord);
|
|
void (GL_APIENTRY * glSecondaryColor3fv) (const GLfloat* coord);
|
|
|
|
void (GL_APIENTRY * glFogCoordfv) (const GLfloat* coord);
|
|
|
|
void (GL_APIENTRY * glMultiTexCoord1f) (GLenum target,GLfloat coord);
|
|
void (GL_APIENTRY * glMultiTexCoord1fv) (GLenum target,const GLfloat* coord);
|
|
void (GL_APIENTRY * glMultiTexCoord2fv) (GLenum target,const GLfloat* coord);
|
|
void (GL_APIENTRY * glMultiTexCoord3fv) (GLenum target,const GLfloat* coord);
|
|
void (GL_APIENTRY * glMultiTexCoord4fv) (GLenum target,const GLfloat* coord);
|
|
|
|
void (GL_APIENTRY * glMultiTexCoord1d) (GLenum target,GLdouble coord);
|
|
void (GL_APIENTRY * glMultiTexCoord1dv) (GLenum target,const GLdouble* coord);
|
|
void (GL_APIENTRY * glMultiTexCoord2dv) (GLenum target,const GLdouble* coord);
|
|
void (GL_APIENTRY * glMultiTexCoord3dv) (GLenum target,const GLdouble* coord);
|
|
void (GL_APIENTRY * glMultiTexCoord4dv) (GLenum target,const GLdouble* coord);
|
|
|
|
// Occlusion Query extensions
|
|
void (GL_APIENTRY * glGenOcclusionQueries) ( GLsizei n, GLuint *ids );
|
|
void (GL_APIENTRY * glDeleteOcclusionQueries) ( GLsizei n, const GLuint *ids );
|
|
GLboolean (GL_APIENTRY * glIsOcclusionQuery) ( GLuint id );
|
|
void (GL_APIENTRY * glBeginOcclusionQuery) ( GLuint id );
|
|
void (GL_APIENTRY * glEndOcclusionQuery) ();
|
|
void (GL_APIENTRY * glGetOcclusionQueryiv) ( GLuint id, GLenum pname, GLint *params );
|
|
void (GL_APIENTRY * glGetOcclusionQueryuiv) ( GLuint id, GLenum pname, GLuint *params );
|
|
|
|
void (GL_APIENTRY * glGetQueryiv) (GLenum target, GLenum pname, GLint *params);
|
|
void (GL_APIENTRY * glGenQueries) (GLsizei n, GLuint *ids);
|
|
void (GL_APIENTRY * glBeginQuery) (GLenum target, GLuint id);
|
|
void (GL_APIENTRY * glEndQuery) (GLenum target);
|
|
void (GL_APIENTRY * glQueryCounter) (GLuint id, GLenum target);
|
|
GLboolean (GL_APIENTRY * glIsQuery) (GLuint id);
|
|
void (GL_APIENTRY * glDeleteQueries) (GLsizei n, const GLuint *ids);
|
|
void (GL_APIENTRY * glGetQueryObjectiv) (GLuint id, GLenum pname, GLint *params);
|
|
void (GL_APIENTRY * glGetQueryObjectuiv) (GLuint id, GLenum pname, GLuint *params);
|
|
void (GL_APIENTRY * glGetQueryObjectui64v) (GLuint id, GLenum pname, GLuint64 *params);
|
|
void (GL_APIENTRY * glGetInteger64v) (GLenum pname, GLint64 *params);
|
|
|
|
|
|
// SampleMaski functionality
|
|
bool isOpenGL32upported;
|
|
bool isTextureMultisampleSupported;
|
|
bool isSampleMaskiSupported;
|
|
|
|
void (GL_APIENTRY * glSampleMaski) (GLuint maskNumber, GLbitfield mask);
|
|
|
|
// Vertex/Fragment Programs
|
|
bool isVertexProgramSupported;
|
|
bool isFragmentProgramSupported;
|
|
|
|
void (GL_APIENTRY * glBindProgram) (GLenum target, GLuint id);
|
|
void (GL_APIENTRY * glGenPrograms) (GLsizei n, GLuint *programs);
|
|
void (GL_APIENTRY * glDeletePrograms) (GLsizei n, GLuint *programs);
|
|
void (GL_APIENTRY * glProgramString) (GLenum target, GLenum format, GLsizei len, const void *string);
|
|
void (GL_APIENTRY * glProgramLocalParameter4fv) (GLenum target, GLuint index, const GLfloat *params);
|
|
|
|
|
|
// Texture Extensions
|
|
bool isMultiTexturingSupported;
|
|
bool isTextureFilterAnisotropicSupported;
|
|
bool isTextureSwizzleSupported;
|
|
bool isTextureCompressionARBSupported;
|
|
bool isTextureCompressionS3TCSupported;
|
|
bool isTextureCompressionPVRTC2BPPSupported;
|
|
bool isTextureCompressionPVRTC4BPPSupported;
|
|
bool isTextureCompressionETCSupported;
|
|
bool isTextureCompressionETC2Supported;
|
|
bool isTextureCompressionRGTCSupported;
|
|
bool isTextureCompressionPVRTCSupported;
|
|
bool isTextureMirroredRepeatSupported;
|
|
bool isTextureEdgeClampSupported;
|
|
bool isTextureBorderClampSupported;
|
|
bool isGenerateMipMapSupported;
|
|
bool preferGenerateMipmapSGISForPowerOfTwo;
|
|
bool isTextureMultisampledSupported;
|
|
bool isShadowSupported;
|
|
bool isShadowAmbientSupported;
|
|
bool isTextureMaxLevelSupported;
|
|
GLint maxTextureSize;
|
|
bool isClientStorageSupported;
|
|
bool isTextureIntegerEXTSupported;
|
|
bool isTextureStorageEnabled;
|
|
|
|
bool isTexStorage2DSupported() const { return glTexStorage2D != 0; }
|
|
bool isCompressedTexImage2DSupported() const { return glCompressedTexImage2D!=0; }
|
|
bool isCompressedTexSubImage2DSupported() const { return glCompressedTexSubImage2D!=0; }
|
|
bool isBindImageTextureSupported() const { return glBindImageTexture!=0; }
|
|
bool isNonPowerOfTwoTextureMipMappedSupported;
|
|
bool isNonPowerOfTwoTextureNonMipMappedSupported;
|
|
bool isNonPowerOfTwoTextureSupported(GLenum filter) const
|
|
{
|
|
return (filter==GL_LINEAR || filter==GL_NEAREST) ?
|
|
isNonPowerOfTwoTextureNonMipMappedSupported :
|
|
isNonPowerOfTwoTextureMipMappedSupported;
|
|
}
|
|
|
|
void (GL_APIENTRY * glTexStorage2D) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
|
|
void (GL_APIENTRY * glCompressedTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
|
|
void (GL_APIENTRY * glCompressedTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
|
|
void (GL_APIENTRY * glGetCompressedTexImage) (GLenum target, GLint level, GLvoid *data);
|
|
void (GL_APIENTRY * glTexImage2DMultisample) (GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations);
|
|
void (GL_APIENTRY * glTexParameterIiv) (GLenum target, GLenum pname, const GLint* data);
|
|
void (GL_APIENTRY * glTexParameterIuiv) (GLenum target, GLenum pname, const GLuint* data);
|
|
void (GL_APIENTRY * glBindImageTexture) (GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format);
|
|
|
|
// Texture3D extensions
|
|
bool isTexture3DSupported;
|
|
bool isTexture3DFast;
|
|
GLint maxTexture3DSize;
|
|
bool isCompressedTexImage3DSupported() const { return glCompressedTexImage3D!=0; }
|
|
bool isCompressedTexSubImage3DSupported() const { return glCompressedTexSubImage3D!=0; }
|
|
|
|
void (GL_APIENTRY * glTexImage3D) ( GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
|
|
void (GL_APIENTRY * glTexSubImage3D) ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
|
|
void (GL_APIENTRY * glCopyTexSubImage3D) ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height );
|
|
void (GL_APIENTRY * glCompressedTexImage3D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data);
|
|
void (GL_APIENTRY * glCompressedTexSubImage3D) ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data );
|
|
|
|
// Texture2DArray extensions
|
|
bool isTexture2DArraySupported;
|
|
GLint maxLayerCount;
|
|
GLint max2DSize;
|
|
|
|
|
|
// Blending
|
|
bool isBlendColorSupported;
|
|
bool isBlendEquationSupported;
|
|
bool isBlendEquationSeparateSupported;
|
|
bool isSGIXMinMaxSupported;
|
|
bool isLogicOpSupported;
|
|
|
|
void (GL_APIENTRY * glBlendColor) (GLclampf red , GLclampf green , GLclampf blue , GLclampf alpha);
|
|
void (GL_APIENTRY * glBlendEquation)(GLenum mode);
|
|
void (GL_APIENTRY * glBlendEquationSeparate)(GLenum modeRGB, GLenum modeAlpha);
|
|
void (GL_APIENTRY * glBlendEquationi)(GLuint buf, GLenum mode);
|
|
void (GL_APIENTRY * glBlendEquationSeparatei)(GLuint buf, GLenum modeRGB, GLenum modeAlpha);
|
|
|
|
|
|
// glEnablei/glDisabeli
|
|
void (GL_APIENTRY * glEnablei) (GLenum capability, GLuint buf);
|
|
void (GL_APIENTRY * glDisablei) (GLenum capability, GLuint buf);
|
|
|
|
|
|
// Stencil
|
|
bool isStencilWrapSupported;
|
|
bool isStencilTwoSidedSupported;
|
|
bool isOpenGL20Supported;
|
|
bool isSeparateStencilSupported;
|
|
|
|
void (GL_APIENTRY * glActiveStencilFace) (GLenum face);
|
|
void (GL_APIENTRY * glStencilOpSeparate) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
|
|
void (GL_APIENTRY * glStencilMaskSeparate) (GLenum face, GLuint mask);
|
|
void (GL_APIENTRY * glStencilFuncSeparate) (GLenum face, GLenum func, GLint ref, GLuint mask);
|
|
void (GL_APIENTRY * glStencilFuncSeparateATI) (GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask);
|
|
|
|
|
|
// ColorMask
|
|
void (GL_APIENTRY * glColorMaski)(GLuint buf, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
|
|
|
|
|
|
// ClampColor
|
|
bool isClampColorSupported;
|
|
void (GL_APIENTRY * glClampColor) (GLenum target, GLenum mode);
|
|
|
|
|
|
// PrimitiveRestartIndex
|
|
void (GL_APIENTRY * glPrimitiveRestartIndex) ( GLuint index );
|
|
|
|
|
|
// Mutlisample
|
|
bool isMultisampleSupported;
|
|
bool isMultisampleFilterHintSupported;
|
|
|
|
void (GL_APIENTRY * glSampleCoverage) (GLclampf value, GLboolean invert);
|
|
|
|
|
|
// Point
|
|
bool isPointParametersSupported;
|
|
bool isPointSpriteSupported;
|
|
bool isPointSpriteCoordOriginSupported;
|
|
|
|
void (GL_APIENTRY * glPointParameteri) (GLenum pname, GLint param);
|
|
void (GL_APIENTRY * glPointParameterf) (GLenum pname, GLfloat param);
|
|
void (GL_APIENTRY * glPointParameterfv) (GLenum pname, const GLfloat *params);
|
|
|
|
|
|
// FrameBuferObject
|
|
bool isFrameBufferObjectSupported;
|
|
bool isPackedDepthStencilSupported;
|
|
bool isRenderbufferMultisampleSupported() const { return glRenderbufferStorageMultisample != 0; }
|
|
bool isRenderbufferMultisampleCoverageSupported() const { return glRenderbufferStorageMultisampleCoverageNV != 0; }
|
|
|
|
void (GL_APIENTRY * glBindRenderbuffer) (GLenum, GLuint);
|
|
void (GL_APIENTRY * glDeleteRenderbuffers) (GLsizei n, const GLuint *renderbuffers);
|
|
void (GL_APIENTRY * glGenRenderbuffers) (GLsizei, GLuint *);
|
|
void (GL_APIENTRY * glRenderbufferStorage) (GLenum, GLenum, GLsizei, GLsizei);
|
|
void (GL_APIENTRY * glRenderbufferStorageMultisample) (GLenum, GLsizei, GLenum, GLsizei, GLsizei);
|
|
void (GL_APIENTRY * glRenderbufferStorageMultisampleCoverageNV) (GLenum, GLsizei, GLsizei, GLenum, GLsizei, GLsizei);
|
|
void (GL_APIENTRY * glBindFramebuffer) (GLenum, GLuint);
|
|
void (GL_APIENTRY * glDeleteFramebuffers) (GLsizei n, const GLuint *framebuffers);
|
|
void (GL_APIENTRY * glGenFramebuffers) (GLsizei, GLuint *);
|
|
GLenum (GL_APIENTRY * glCheckFramebufferStatus) (GLenum);
|
|
|
|
void (GL_APIENTRY * glFramebufferTexture1D) (GLenum, GLenum, GLenum, GLuint, GLint);
|
|
void (GL_APIENTRY * glFramebufferTexture2D) (GLenum, GLenum, GLenum, GLuint, GLint);
|
|
void (GL_APIENTRY * glFramebufferTexture3D) (GLenum, GLenum, GLenum, GLuint, GLint, GLint);
|
|
void (GL_APIENTRY * glFramebufferTexture) (GLenum, GLenum, GLint, GLint);
|
|
void (GL_APIENTRY * glFramebufferTextureLayer) (GLenum, GLenum, GLuint, GLint, GLint);
|
|
void (GL_APIENTRY * glFramebufferTextureFace)( GLenum target, GLenum attachment, GLuint texture, GLint level, GLenum face );
|
|
void (GL_APIENTRY * glFramebufferRenderbuffer) (GLenum, GLenum, GLenum, GLuint);
|
|
|
|
void (GL_APIENTRY * glGenerateMipmap) (GLenum);
|
|
void (GL_APIENTRY * glBlitFramebuffer) (GLint, GLint, GLint, GLint, GLint, GLint, GLint, GLint, GLbitfield, GLenum);
|
|
void (GL_APIENTRY * glGetRenderbufferParameteriv) (GLenum, GLenum, GLint*);
|
|
|
|
//subroutine
|
|
GLint(GL_APIENTRY* glGetSubroutineUniformLocation) (GLuint program, GLenum shadertype, const GLchar *name);
|
|
void (GL_APIENTRY * glGetActiveSubroutineUniformName) (GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name);
|
|
void (GL_APIENTRY * glGetActiveSubroutineUniformiv) (GLuint program, GLenum shadertype, GLuint index, GLenum pname, GLint *values);
|
|
GLuint (GL_APIENTRY * glGetSubroutineIndex) (GLuint program, GLenum shadertype, const GLchar *name);
|
|
void (GL_APIENTRY * glGetActiveSubroutineName) (GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name);
|
|
void (GL_APIENTRY * glGetProgramStageiv) (GLuint program, GLenum shadertype, GLenum pname, GLint *values);
|
|
void (GL_APIENTRY *glUniformSubroutinesuiv) (GLenum shadertype, GLsizei count,const GLuint * indices);
|
|
void (GL_APIENTRY * glGetUniformSubroutineuiv) (GLenum shadertype, GLint location, GLuint *params);
|
|
|
|
// Sync
|
|
GLsync (GL_APIENTRY * glFenceSync) (GLenum condition, GLbitfield flags);
|
|
GLboolean (GL_APIENTRY * glIsSync) (GLsync sync);
|
|
void (GL_APIENTRY * glDeleteSync) (GLsync sync);
|
|
GLenum (GL_APIENTRY * glClientWaitSync) (GLsync sync, GLbitfield flags, GLuint64 timeout);
|
|
void (GL_APIENTRY * glWaitSync) (GLsync sync, GLbitfield flags, GLuint64 timeout);
|
|
void (GL_APIENTRY * glGetSynciv) (GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values);
|
|
|
|
// Indirect Rendering
|
|
void (GL_APIENTRY * glDrawArraysIndirect) (GLenum mode, const void * indirect);
|
|
void (GL_APIENTRY * glMultiDrawArraysIndirect) (GLenum mode, const void *indirect, GLsizei drawcount, GLsizei stride);
|
|
void (GL_APIENTRY * glDrawElementsIndirect) (GLenum mode, GLenum type, const void *indirect);
|
|
void (GL_APIENTRY * glMultiDrawElementsIndirect)( GLenum mode, GLenum type, const void *indirect, GLsizei drawcount, GLsizei stride);
|
|
|
|
|
|
// Transform feedback
|
|
void (GL_APIENTRY * glBeginTransformFeedback) (GLenum primitiveMode);
|
|
void (GL_APIENTRY * glEndTransformFeedback) (void);
|
|
void (GL_APIENTRY * glTransformFeedbackVaryings) (GLuint program, GLsizei count, const GLchar *const*varyings, GLenum bufferMode);
|
|
void (GL_APIENTRY * glGetTransformFeedbackVarying) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name);
|
|
void (GL_APIENTRY * glBindTransformFeedback) (GLenum target, GLuint id);
|
|
void (GL_APIENTRY * glDeleteTransformFeedbacks) (GLsizei n, const GLuint *ids);
|
|
void (GL_APIENTRY * glGenTransformFeedbacks) (GLsizei n, GLuint *ids);
|
|
GLboolean (GL_APIENTRY * glIsTransformFeedback) (GLuint id);
|
|
void (GL_APIENTRY * glPauseTransformFeedback) (void);
|
|
void (GL_APIENTRY * glResumeTransformFeedback) (void);
|
|
void (GL_APIENTRY * glDrawTransformFeedback) (GLenum mode, GLuint id);
|
|
void (GL_APIENTRY * glDrawTransformFeedbackStream) (GLenum mode, GLuint id, GLuint stream);
|
|
void (GL_APIENTRY * glDrawTransformFeedbackInstanced) (GLenum mode, GLuint id, GLsizei instancecount);
|
|
void (GL_APIENTRY * glDrawTransformFeedbackStreamInstanced) (GLenum mode, GLuint id, GLuint stream, GLsizei instancecount);
|
|
void (GL_APIENTRY * glCreateTransformFeedbacks) (GLsizei n, GLuint *ids);
|
|
void (GL_APIENTRY * glTransformFeedbackBufferBase) (GLuint xfb, GLuint index, GLuint buffer);
|
|
void (GL_APIENTRY * glTransformFeedbackBufferRange) (GLuint xfb, GLuint index, GLuint buffer, GLintptr offset, GLsizei size);
|
|
void (GL_APIENTRY * glGetTransformFeedbackiv) (GLuint xfb, GLenum pname, GLint *param);
|
|
void (GL_APIENTRY * glGetTransformFeedbacki_v) (GLuint xfb, GLenum pname, GLuint index, GLint *param);
|
|
void (GL_APIENTRY * glGetTransformFeedbacki64_v) (GLuint xfb, GLenum pname, GLuint index, GLint64 *param);
|
|
|
|
// Vertex Array Object
|
|
void (GL_APIENTRY * glDeleteVertexArrays) (GLsizei size,const GLuint *handles);
|
|
void (GL_APIENTRY * glGenVertexArrays) (GLsizei size, GLuint *handles);
|
|
GLboolean (GL_APIENTRY * glIsVertexArray) (GLuint handle);
|
|
void (GL_APIENTRY * glBindVertexArray) (GLuint handle);
|
|
|
|
// MultiDrawArrays
|
|
void (GL_APIENTRY * glMultiDrawArrays) (GLenum mode, const GLint * first, const GLsizei * count, GLsizei primcount);
|
|
|
|
// ViewportArray
|
|
bool isViewportArraySupported;
|
|
|
|
void (GL_APIENTRY * glViewportArrayv) (GLuint first, GLsizei count, const GLfloat * v);
|
|
void (GL_APIENTRY * glViewportIndexedf) (GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h);
|
|
void (GL_APIENTRY * glViewportIndexedfv) (GLuint index, const GLfloat * v);
|
|
void (GL_APIENTRY * glScissorArrayv) (GLuint first, GLsizei count, const GLint * v);
|
|
void (GL_APIENTRY * glScissorIndexed) (GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height);
|
|
void (GL_APIENTRY * glScissorIndexedv) (GLuint index, const GLint * v);
|
|
void (GL_APIENTRY * glDepthRangeArrayv) (GLuint first, GLsizei count, const GLclampd * v);
|
|
void (GL_APIENTRY * glDepthRangeIndexed) (GLuint index, GLclampd n, GLclampd f);
|
|
void (GL_APIENTRY * glGetFloati_v) (GLenum target, GLuint index, GLfloat *data);
|
|
void (GL_APIENTRY * glGetDoublei_v) (GLenum target, GLuint index, GLdouble *data);
|
|
|
|
//introduced by other OpenGL extensions such as EXT_draw_buffers2
|
|
void (GL_APIENTRY * glGetIntegerIndexedvEXT) (GLenum target, GLuint index, int * v);
|
|
void (GL_APIENTRY * glEnableIndexedEXT) (GLenum target, GLuint index);
|
|
void (GL_APIENTRY * glDisableIndexedEXT) (GLenum target, GLuint index);
|
|
GLboolean (GL_APIENTRY * glIsEnabledIndexedEXT) (GLenum target, GLuint index);
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|