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