fixed mipmap generation bug for OSX. Previous versions of OpenGl wanted you to...

fixed mipmap generation bug for OSX. Previous versions of OpenGl wanted you to hint to generate mipmaps, OSX wants you to explicity call the function that generates them.

Source/Processors/Visualization/SpikeDisplayCanvas.cpp

@@ -51,8 +51,8 @@ void SpikeDisplayCanvas::initializeSpikePlots(){
 	std::cout<<"Initializing Plots"<<std::endl;
 
 
-	int nPlots = 6;
-	int nCols = 2;
+	int nPlots = 4;
+	int nCols = 4;
 
 	int totalWidth = getWidth(); 
 	

Source/Processors/Visualization/SpikePlotting/ProjectionAxes.cpp

@@ -103,6 +103,8 @@ void ProjectionAxes::plot(){
 	   plot();
 	   return;
 	}
+//    else
+//        std::cout<<"All is good no errors detected"<<std::endl;
 }
 
 void ProjectionAxes::plotOldSpikes(bool allSpikes){
@@ -194,15 +196,17 @@ void ProjectionAxes::createTexture(){
 	texWidth = BaseUIElement::width;
 	texHeight = BaseUIElement::height;
 
-  	std::cout<<"Creating a new texture of size:"<<texWidth<<"x"<<texHeight<<std::endl;
+  	std::cout<<"Creating a new texture of size:"<<texWidth<<"x"<<texHeight;//<<std::endl;
   	// Delete the old texture
     glDeleteTextures(1, &textureId);
     // Generate a new texture 
     glGenTextures(1, &textureId);
+    std::cout<<" textureId:"<<textureId<<std::endl;
     // Bind the texture, and set the appropriate parameters
     glBindTexture(GL_TEXTURE_2D, textureId);
     glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); 
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, texWidth, texHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+    glGenerateMipmap(GL_TEXTURE_2D);
     // generate a new FrameBufferObject
     createFBO();
 
@@ -212,7 +216,7 @@ void ProjectionAxes::createTexture(){
 }
 
 void ProjectionAxes::createFBO(){
-	std::cout<<"Creating a new frame buffer object"<<std::endl;
+	std::cout<<"Creating a new frame buffer object";//<<std::endl;
 
 	// if (!isTextureValid)
 	// 	createTexture();
@@ -227,20 +231,25 @@ void ProjectionAxes::createFBO(){
 	// Generate and bind the new Render Buffer
 	glGenRenderbuffersEXT(1, &rboId);
 	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rboId);
+    std::cout<<" fboID:"<<fboId<<" rboID:"<<rboId<<std::endl;
+
+    
 	glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, texWidth, texHeight);
 	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
 
 	// Attach the texture to the framebuffer
 	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, textureId, 0);
 	glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, rboId);
-
+    
 	// If the FrameBuffer wasn't created then we have a bigger problem. Abort the program.
 	if(!checkFramebufferStatus()){
 	    std::cout<<"FrameBufferObject not created! Are you running the newest version of OpenGL?"<<std::endl;
 	    std::cout<<"FrameBufferObjects are REQUIRED! Quitting!"<<std::endl;
 	    exit(1);
 	}
-
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+    
 	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 }