/****************************************************************************** * * Copyright (c) 2016 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * IndexAndIndexBufferARB.cpp * *****************************************************************************/ #include <oz++/opengl/OpenGLMainView.h> #include <oz++/opengl/OpenGLView.h> #include <oz++/opengl/OpenGLGC.h> #include <oz++/opengl/OpenGLLight.h> #include <oz++/opengl/OpenGLMaterial.h> #include <oz++/opengl/ColorNormalVertex.h> #include <oz++/opengl/OpenGLVertex3.h> #include <oz++/opengl/OpenGLClientState.h> #include <oz++/openglarb/OpenGLVertexBufferARB.h> #include <oz++/openglarb/OpenGLIndexBufferARB.h> #include <oz++/opengl2/OpenGLVertexAttribute.h> namespace OZ { class MainView :public OpenGLMainView { private: //Inner class starts. class SimpleView: public OpenGLView { private: OpenGLGC gc; SmartPtr<OpenGLVertexBufferARB> vertexBuffer; SmartPtr<OpenGLIndexBufferARB> indexBuffer; int numVertices; int numIndices; public: virtual void display() { if (vertexBuffer && indexBuffer) { gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.loadIdentity(); try { gc.translate(0.0f,0.0f,-1.0f); gc.lookAt(2.0, 4.0, 6.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); gc.clearColor(1.0f, 0.8f, 0.8f, 1.0f); //OpenGLClientState constructor enables its argument, and the destructor disables its argument. OpenGLClientState state1(GL_VERTEX_ARRAY); OpenGLClientState state2(GL_COLOR_ARRAY); OpenGLClientState state3(GL_NORMAL_ARRAY); const GLfloat lightPosition[] = { 5.0, 5.0, -8.0 , 1.0 }; const GLfloat lightColor[] = { 1.0, 0.0, 0.0 , 1.0 }; const GLfloat materialColor[] = { 0.8, 0.8, 0.4 , 1.0 }; OpenGLLight light(GL_LIGHT0); light.position(lightPosition); light.diffuse(lightColor); light.enable(); OpenGLMaterial material(GL_FRONT_AND_BACK ); material.diffuse(materialColor); vertexBuffer -> bind(); indexBuffer -> bind(); gc.interleavedArrays(GL_C4F_N3F_V3F, 0, NULL); gc.drawElements(GL_QUADS, numIndices, GL_UNSIGNED_INT, NULL); vertexBuffer -> unbind(); indexBuffer -> unbind(); } catch (Exception& ex) { caught(ex); } } } virtual void resize(int w, int h) { if (w == 0 || h == 0) { return; } gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.perspective(16.0, (double)w / (double)h, 0.5, 40.0); gc.matrixMode(GL_MODELVIEW); } virtual void initialize() { gc.enable( GL_DEPTH_TEST ); /* gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.frustum(1 , -1 , -1 , 1 , 1 , 10); gc.clearColor(0.0, 0.0, 1.0, 1.0); */ try { static ColorNormalVertex<float,4,3,3> vertices[] = { { 0.5f, 0.0f, 0.0f, 0.5f, -0.6f, 0.6f, 0.6f, -0.5f, 0.5f, 0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, -0.6f, -0.6f, 0.6f, -0.5f, -0.5f, 0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, 0.6f, 0.6f, 0.6f, 0.5f, 0.5f, 0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, 0.6f, -0.6f, 0.6f, 0.5f, -0.5f, 0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, 0.6f, 0.6f, -0.6f, 0.5f, 0.5f, -0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, 0.6f, -0.6f, -0.6f, 0.5f, -0.5f, -0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, -0.6f, 0.6f, -0.6f, -0.5f, 0.5f, -0.5f }, { 0.5f, 0.0f, 0.0f, 0.5f, -0.6f, -0.6f, -0.6f, -0.5f, -0.5f, -0.5f }, }; static GLuint indices[] = { 0, 2, 3, 1, 2, 4, 5, 3, 4, 6, 7, 5, 6, 0, 1, 7, 6, 4, 2, 0, 1, 3, 5, 7, }; gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.loadIdentity(); numVertices = SizeOf(vertices); vertexBuffer = new OpenGLVertexBufferARB(); vertexBuffer -> bind(); vertexBuffer -> data(//sizeof(vertices), numVertices*sizeof(ColorNormalVertex<float,4,3,3>), vertices, GL_STATIC_DRAW_ARB); vertexBuffer -> unbind(); numIndices = SizeOf( indices ); indexBuffer = new OpenGLIndexBufferARB(); indexBuffer -> bind(); indexBuffer -> data(numIndices*4, indices, GL_STATIC_DRAW_ARB); indexBuffer -> unbind(); } catch (Exception& ex) { caught(ex); } } public: SimpleView(OpenGLMainView* parent, const char* name, Args& args) :OpenGLView(parent, name, args) { } ~SimpleView() { } }; //Inner class ends. private: SmartPtr<SimpleView> view; public: MainView(OpenGLApplication& applet, const char* name, Args& args) :OpenGLMainView(applet, name, args) { Args ar; ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType()); view = new SimpleView(this, "", ar); } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* name = argv[0]; OpenGLApplication applet(name, argc, argv); Args args; args.set(XmNwidth, 400); args.set(XmNheight, 300); MainView view(applet, name, args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }