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vtk_glew.h.in
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vtk_glew.h.in
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/*=========================================================================
Program: Visualization Toolkit
Module: vtk_glew.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef vtk_glew_h
#define vtk_glew_h
/* Use the glew library configured for VTK. */
#cmakedefine01 VTK_MODULE_USE_EXTERNAL_vtkglew
#define GLEW_NO_GLU
#define VTK_OPENGL_ES_VERSION 30
/* Mobile device support. */
#cmakedefine01 VTK_MODULE_vtkglew_GLES3
#ifdef __APPLE__
#define GLES_SILENCE_DEPRECATION
#include "TargetConditionals.h"
#endif
#cmakedefine01 VTK_GLEW_SHARED
#if !VTK_GLEW_SHARED && !defined(GLEW_STATIC)
#define GLEW_STATIC
#endif
#if VTK_MODULE_vtkglew_GLES3
#include <GLES3/gl3.h>
#elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
#include <OpenGLES/ES3/gl.h>
#elif VTK_MODULE_USE_EXTERNAL_vtkglew
#include <GL/glew.h>
#ifdef _WIN32
#include <GL/wglew.h>
#endif
#else
#include <vtkglew/include/GL/glew.h>
#ifdef _WIN32
#include <vtkglew/include/GL/wglew.h>
#endif
#endif
/* some fixes for both ES 2 and 3 */
#ifdef GL_ES_VERSION_3_0
#define GL_BACK_LEFT 0
#define GL_BACK_RIGHT 0
#define GL_FRONT_LEFT 0
#define GL_FRONT_RIGHT 0
/* this sends all the data each time as opposed to allowing a subset */
#define glMultiDrawElements(mode, counts, type, indicies, primcount) \
for (size_t eCount = 0; eCount < primcount; ++eCount) \
{ \
glDrawElements(mode, *(counts + eCount), type, (GLvoid*)(indicies[eCount])); \
}
#endif
/*** deal with some GLES 3.0 specific issues ***/
#ifdef GL_ES_VERSION_3_0
#define GLEW_ARB_vertex_array_object 1
#define GLEW_ARB_instanced_arrays 1
#endif
#endif