added a basic test for SimpleOpenGL3

Demos3/SimpleOpenGL3/main.cpp

@@ -0,0 +1,38 @@
+#include "../../btgui/OpenGLWindow/SimpleOpenGL3App.h"
+#include "Bullet3Common/b3Vector3.h"
+#include "assert.h"
+
+int main(int argc, char* argv[])
+{
+	
+	float dt = 1./120.f;
+	
+	SimpleOpenGL3App* app = new SimpleOpenGL3App("SimpleOpenGL3App",1024,768);
+	app->m_instancingRenderer->setCameraDistance(13);
+	app->m_instancingRenderer->setCameraPitch(0);
+	app->m_instancingRenderer->setCameraTargetPosition(b3MakeVector3(0,0,0));
+
+	GLint err = glGetError();
+    assert(err==GL_NO_ERROR);
+	
+	do
+	{
+		GLint err = glGetError();
+		assert(err==GL_NO_ERROR);
+		app->m_instancingRenderer->init();
+		app->m_instancingRenderer->updateCamera();
+		
+		app->drawGrid();
+		char bla[1024];
+		static int frameCount = 0;
+		frameCount++;
+		sprintf(bla,"Simple test frame %d\n", frameCount);
+		
+		app->drawText(bla,10,10);
+		app->swapBuffer();
+	} while (!app->m_window->requestedExit());
+
+	
+	delete app;
+	return 0;
+}

Demos3/SimpleOpenGL3/premake4.lua

@@ -0,0 +1,70 @@
+	
+		project "App_SimpleOpenGL3"
+
+		language "C++"
+				
+		kind "ConsoleApp"
+		targetdir "../../bin"
+
+  	includedirs {
+                ".",
+                "../../btgui"
+                }
+
+		initOpenGL()
+		initGlew()
+			
+		--links{"gwen"}
+
+		files {
+		"**.cpp",
+		"**.h",
+		"../../btgui/OpenGLWindow/SimpleOpenGL3App.cpp",
+		"../../btgui/OpenGLWindow/SimpleOpenGL3App.h",
+		"../../btgui/OpenGLWindow/TwFonts.cpp",
+		"../../btgui/OpenGLWindow/TwFonts.h",
+		"../../btgui/OpenGLWindow/LoadShader.cpp",
+		"../../btgui/OpenGLWindow/LoadShader.h",
+		"../../btgui/OpenGLWindow/GLPrimitiveRenderer.cpp",
+		"../../btgui/OpenGLWindow/GLPrimitiveRenderer.h",				
+		"../../btgui/OpenGLWindow/GwenOpenGL3CoreRenderer.h",
+		"../../btgui/OpenGLWindow/GLInstancingRenderer.cpp",
+		"../../btgui/OpenGLWindow/GLInstancingRenderer.h",
+		"../../btgui/OpenGLWindow/GLRenderToTexture.cpp",
+		"../../btgui/OpenGLWindow/GLRenderToTexture.h",
+		"../../btgui/OpenGLWindow/TwFonts.cpp",
+		"../../btgui/OpenGLWindow/TwFonts.h",
+		"../../btgui/FontFiles/OpenSans.cpp",
+		"../../btgui/OpenGLTrueTypeFont/fontstash.cpp",
+		"../../btgui/OpenGLTrueTypeFont/fontstash.h",
+		"../../btgui/OpenGLTrueTypeFont/opengl_fontstashcallbacks.cpp",
+ 		"../../btgui/OpenGLTrueTypeFont/opengl_fontstashcallbacks.h",
+ 		"../../btgui/Bullet3Common/**.cpp",
+ 		"../../btgui/Bullet3Common/**.h",
+		"../../btgui/Timing/b3Clock.cpp",
+		"../../btgui/Timing/b3Clock.h"
+
+		}
+
+if os.is("Windows") then
+	files {
+		"../../btgui/OpenGLWindow/Win32OpenGLWindow.cpp",
+		"../../btgui/OpenGLWindow/Win32OpenGLWindow.h",
+    "../../btgui/OpenGLWindow/Win32Window.cpp",
+    "../../btgui/OpenGLWindow/Win32Window.h",
+	}
+	end
+	if os.is("Linux") then 
+		links ("X11")
+		files{
+		"../../btgui/OpenGLWindow/X11OpenGLWindow.h",
+		"../../btgui/OpenGLWindow/X11OpenGLWindow.cpp"
+		}
+	end
+	if os.is("MacOSX") then
+		links{"Cocoa.framework"}
+		files{
+		"../../btgui/OpenGLWindow/MacOpenGLWindow.mm",
+		"../../btgui/OpenGLWindow/MacOpenGLWindow.h",
+		}
+	end

build3/premake4.lua

@@ -108,6 +108,8 @@ if not _OPTIONS["ios"] then
 	include "../Demos3/Wavefront"
 	include "../btgui/MultiThreading"
 include "../Demos3/ImplicitCloth"
+include "../Demos3/SimpleOpenGL3"
+
 	
 --		include "../demo/gpudemo"
 --	include "../btgui/MidiTest"