* Added the possibility to modifiy the texture targets for a framebufferobject

include/ACGL/OpenGL/Objects/FrameBufferObject.hh

@@ -32,6 +32,7 @@
 #include <ACGL/OpenGL/Objects/Texture.hh>
 
 #include <vector>
+#include <map>
 #include <tr1/memory>
 
 namespace ACGL{
@@ -150,9 +151,11 @@ public:
             Utils::error() << "Attaching of texture to the FBO failed" << std::endl;
             return false;
         }
-        mDrawBuffers++;
+
         Attachment attachment = {_name, SharedTexture(), _renderBuffer};
         mColorAttachments.push_back(attachment);
+        mColorAttachmentIndices[_name] = mDrawBuffers;
+        mDrawBuffers++;
         return true;
     }
 
@@ -163,9 +166,23 @@ public:
             Utils::error() << "Attaching of texture to the FBO failed" << std::endl;
             return false;
         }
-        mDrawBuffers++;
+
         Attachment attachment = {_name, _texture, SharedRenderBuffer()};
         mColorAttachments.push_back(attachment);
+        mColorAttachmentIndices[_name] = mDrawBuffers;
+        mDrawBuffers++;
+        return true;
+    }
+
+    inline bool setColorRenderBuffer(const std::string _name, const ConstSharedRenderBuffer& _renderBuffer)
+    {
+        glFramebufferRenderbuffer( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + mColorAttachmentIndices[_name], GL_RENDERBUFFER, _renderBuffer->getObjectName() );
+        return true;
+    }
+
+    inline bool setColorTexture(const std::string _name, const ConstSharedTexture& _texture)
+    {
+        glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + mColorAttachmentIndices[_name], _texture->getTarget(), _texture->getObjectName(), 0 );
         return true;
     }
 
@@ -208,6 +225,8 @@ protected:
     GLuint        mObjectName;
     GLsizei       mDrawBuffers;
     AttachmentVec mColorAttachments;
+    //stores the attachment index (GL_COLOR_ATTACHMENT0 + i) of each color attachment by its name.
+    std::map<std::string, int> mColorAttachmentIndices;
     Attachment    mDepthAttachment;  // depth and stencil are combined
 };