enable option to use GLFW, instead of our own cross-platform X11/Cocoa/Windows OpenGLWindow classes

examples/OpenGLWindow/GLInstancingRenderer.cpp

@@ -28,7 +28,9 @@ float shadowMapWorldSize=10;
 #include "OpenGLInclude.h"
 #include "../CommonInterfaces/CommonWindowInterface.h"
 //#include "Bullet3Common/b3MinMax.h"
+#ifdef B3_USE_GLFW
 
+#else
 #ifndef __APPLE__
 #ifndef glVertexAttribDivisor
 #ifndef NO_GLEW
@@ -44,6 +46,7 @@ float shadowMapWorldSize=10;
 #endif //NO_GLEW
 #endif
 #endif //__APPLE__
+#endif//B3_USE_GLFW
 #include "GLInstancingRenderer.h"
 
 #include <string.h>

examples/OpenGLWindow/OpenGL2Include.h

@@ -17,7 +17,10 @@ subject to the following restrictions:
 #ifndef __OPENGL_INCLUDE_H
 #define __OPENGL_INCLUDE_H
 
-
+#ifdef B3_USE_GLFW
+#include "glad/glad.h"
+#include <GLFW/glfw3.h>
+#else
 //think different
 #if defined(__APPLE__) && !defined (VMDMESA)
 #include <OpenGL/OpenGL.h>
@@ -45,7 +48,7 @@ subject to the following restrictions:
 //#include <GL/glu.h>
 #endif //_WINDOWS
 #endif //APPLE
-
+#endif //B3_USE_GLFW
 //disable glGetError
 //#undef glGetError
 //#define glGetError MyGetError

examples/OpenGLWindow/OpenGLInclude.h

@@ -17,7 +17,10 @@ subject to the following restrictions:
 #ifndef __OPENGL_INCLUDE_H
 #define __OPENGL_INCLUDE_H
 
-
+#ifdef B3_USE_GLFW
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+#else
 //think different
 #if defined(__APPLE__) && !defined (VMDMESA)
 #include <OpenGL/OpenGL.h>
@@ -31,6 +34,7 @@ subject to the following restrictions:
 #endif
 #else
 
+
 #ifdef GLEW_STATIC
 #include "CustomGL/glew.h"
 #else
@@ -52,7 +56,7 @@ subject to the following restrictions:
 //#include <GL/glu.h>
 #endif //_WINDOWS
 #endif //APPLE
-
+#endif
 //disable glGetError
 //#undef glGetError
 //#define glGetError MyGetError

examples/OpenGLWindow/SimpleOpenGL2App.cpp

@@ -13,6 +13,11 @@
 #include "stdlib.h"
 #include "TwFonts.h"
 #include "SimpleOpenGL2Renderer.h"
+
+#ifdef B3_USE_GLFW
+#include "GLFWOpenGLWindow.h"
+#else
+
 #ifdef __APPLE__
 #include "MacOpenGLWindow.h"
 #else
@@ -30,6 +35,8 @@
 #endif //BT_USE_EGL
 #endif //_WIN32
 #endif//__APPLE__
+#endif //#ifdef B3_USE_GLFW
+
 #include <stdio.h>
 #include "../CommonInterfaces/CommonRenderInterface.h"
 
@@ -129,7 +136,7 @@ SimpleOpenGL2App::SimpleOpenGL2App(const char* title, int width, int height)
     glewExperimental = GL_TRUE;
 #endif //_WIN32
     
-    
+#ifndef B3_USE_GLFW
     if (glewInit() != GLEW_OK)
     {
         b3Error("glewInit failed");
@@ -140,7 +147,7 @@ SimpleOpenGL2App::SimpleOpenGL2App(const char* title, int width, int height)
         b3Error("GLEW_VERSION_2_1 needs to support 2_1");
         exit(1); // or handle the error in a nicer way
     }
-    
+#endif //B3_USE_GLFW
 #endif //__APPLE__
 #endif //NO_GLEW
 
@@ -580,4 +587,4 @@ int	SimpleOpenGL2App::registerCubeShape(float halfExtentsX,float halfExtentsY, f
 	
 	int shapeId = m_renderer->registerShape(&verts[0].xyzw[0],numVertices,cube_indices,numIndices,B3_GL_TRIANGLES,textureIndex);
 	return shapeId;
-}
+}

examples/OpenGLWindow/SimpleOpenGL3App.cpp

@@ -2,6 +2,11 @@
 
 #include "SimpleOpenGL3App.h"
 #include "ShapeData.h"
+
+
+#ifdef B3_USE_GLFW
+#include "GLFWOpenGLWindow.h"
+#else
 #ifdef __APPLE__
 #include "MacOpenGLWindow.h"
 #else
@@ -19,6 +24,8 @@
 #endif //BT_USE_EGL
 #endif //_WIN32
 #endif//__APPLE__
+#endif //B3_USE_GLFW
+
 #include <stdio.h>
 
 #include "GLPrimitiveRenderer.h"
@@ -321,12 +328,12 @@ SimpleOpenGL3App::SimpleOpenGL3App(	const char* title, int width,int height, boo
     glewExperimental = GL_TRUE;
 #endif //_WIN32
     
-    
+#ifndef B3_USE_GLFW
     if (glewInit() != GLEW_OK)
         exit(1); // or handle the error in a nicer way
     if (!GLEW_VERSION_2_1)  // check that the machine supports the 2.1 API.
         exit(1); // or handle the error in a nicer way
-    
+#endif //B3_USE_GLFW
 #endif //__APPLE__
 #endif //NO_GLEW
     glGetError();//don't remove this call, it is needed for Ubuntu

examples/OpenGLWindow/Win32OpenGLWindow.cpp

@@ -1,3 +1,4 @@
+#ifndef B3_USE_GLFW
 #ifdef _WIN32
 /*
 Copyright (c) 2012 Advanced Micro Devices, Inc.  
@@ -196,5 +197,5 @@ int Win32OpenGLWindow::getHeight() const
 
 
 #endif
-
 	
+#endif //B3_USE_GLFW

examples/StandaloneMain/hellovr_opengl_main.cpp

@@ -1281,9 +1281,13 @@ bool CMainApplication::SetupTexturemaps()
 
 #ifdef WIN32
 	GLfloat fLargest;
-	
+#ifdef B3_USE_GLFW
+	glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY, &fLargest);
+	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY, fLargest);
+#else
 	glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &fLargest);
 	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, fLargest);
+#endif
 #endif	
 	glBindTexture( GL_TEXTURE_2D, 0 );
 
@@ -2295,9 +2299,14 @@ bool CGLRenderModel::BInit( const vr::RenderModel_t & vrModel, const vr::RenderM
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR );
 #ifdef _WIN32
 	GLfloat fLargest;
+#ifdef B3_USE_GLFW
+	glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY, &fLargest );
+	glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY, fLargest );
+#else
 	glGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &fLargest );
 	glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, fLargest );
-#endif
+#endif //B3_USE_GLFW
+#endif//_WIN32
 	glBindTexture( GL_TEXTURE_2D, 0 );
 
 	m_unVertexCount = vrModel.unTriangleCount * 3;
@@ -2388,6 +2397,7 @@ int main(int argc, char *argv[])
     if (gVideoFileName)
         pMainApplication->getApp()->dumpFramesToVideo(gVideoFileName);
 
+#ifndef B3_USE_GLFW
 #ifdef _WIN32 
 	//request disable VSYNC
 	typedef bool (APIENTRY *PFNWGLSWAPINTERVALFARPROC)(int);
@@ -2397,7 +2407,7 @@ int main(int argc, char *argv[])
 	if (wglSwapIntervalEXT)
 		wglSwapIntervalEXT(0);
 #endif
-
+#endif
 #ifdef __APPLE__
 	GLint                       sync = 0;
 	CGLContextObj               ctx = CGLGetCurrentContext();

examples/ThirdPartyLibs/Gwen/Renderers/OpenGL_DebugFont.cpp

@@ -5,6 +5,10 @@
 #include "Gwen/Texture.h"
 
 #include <math.h>
+#ifdef B3_USE_GLFW
+#include "glad/glad.h"
+#include <GLFW/glfw3.h>
+#else
 
 #if defined(__APPLE__) && !defined (VMDMESA)
 	#include <OpenGL/OpenGL.h>
@@ -22,6 +26,7 @@
 #endif //NO_GLEW
 #endif //GLEW_STATIC
 #endif//(__APPLE__)
+#endif
 
 #include "FontData.h"