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#ifndef VPYTHON_UTIL_GL_EXTENSIONS_HPP
#define VPYTHON_UTIL_GL_EXTENSIONS_HPP
#pragma once
#include "wrap_gl.hpp"
namespace cvisual {
// GL extension functions wrapper - just the functions we currently need
// This could be replaced by a library like GLEW, if it becomes a hassle to maintain.
class gl_extensions {
public:
// All extensions will be unavailable until init() is called.
gl_extensions();
// Must be initialized and used with the same OpenGL context current
void init( class display_kernel& d );
// Extension: ARB_shader_objects
bool ARB_shader_objects;
PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
PFNGLGETHANDLEARBPROC glGetHandleARB;
PFNGLUNIFORM1IARBPROC glUniform1iARB;
PFNGLUNIFORMMATRIX4FVARBPROC glUniformMatrix4fvARB;
PFNGLUNIFORM4FVARBPROC glUniform4fvARB;
PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB;
PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
// Extension: EXT_texture3D
bool EXT_texture3D;
PFNGLTEXIMAGE3DEXTPROC glTexImage3D;
PFNGLTEXSUBIMAGE3DEXTPROC glTexSubImage3D;
// Extension: ARB_multitexture
bool ARB_multitexture;
PFNGLACTIVETEXTUREARBPROC glActiveTexture;
// Extension: ARB_point_parameters
bool ARB_point_parameters;
PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB;
};
}
#endif
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