D3DViewportRendererPlugin.cpp

//-
// ==========================================================================
// Copyright 1995,2006,2008 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk
// license agreement provided at the time of installation or download,
// or which otherwise accompanies this software in either electronic
// or hard copy form.
// ==========================================================================
//+

#include <stdio.h>

#include <D3DViewportRenderer.h>

#include <maya/MGlobal.h>
#include <maya/MString.h>
#include <maya/MStringArray.h>
#include <maya/MFnPlugin.h>
#include <maya/MSceneMessage.h>

#include <stdio.h>

//
// Plug-in functions
//

static D3DViewportRenderer *g_d3dRenderer = 0;

#if defined(D3D9_SUPPORTED)

static MCallbackId       D3DfileNewCallbackId = 0;
static void D3DfileNewCallback( void* clientData )
{
        if (g_d3dRenderer)
                g_d3dRenderer->clearResources(false, false); /* keep shaders */
}

static MCallbackId       D3DmayaExitCallbackId = 0;
static void D3DmayaExitCallback( void* clientData )
{
        if (g_d3dRenderer)
        {
                delete g_d3dRenderer;
                g_d3dRenderer = 0;
        }
}
#endif

MStatus initializePlugin( MObject obj )
{ 
        MStatus   status = MStatus::kFailure;

        MFnPlugin plugin( obj, PLUGIN_COMPANY, "8.0", "Any");

        // Register the renderer
        //
        g_d3dRenderer = new D3DViewportRenderer();
        if (g_d3dRenderer)
        {
                status = g_d3dRenderer->registerRenderer();
                if (status != MStatus::kSuccess)
                {
                        status.perror("Failed to register Direct3D renderer properly.");
                }

#if defined(D3D9_SUPPORTED)
                // Must add in these callbacks as on exit Maya never calls uninitializePlugin() !!
                //
                if (D3DfileNewCallbackId == 0)
                        D3DfileNewCallbackId = MSceneMessage::addCallback( MSceneMessage::kBeforeNew, D3DfileNewCallback );             
                if (D3DmayaExitCallbackId == 0)
                        D3DmayaExitCallbackId = MSceneMessage::addCallback( MSceneMessage::kMayaExiting, D3DmayaExitCallback );         
#endif
        }
        return status;
}

MStatus uninitializePlugin( MObject obj )
{
        MStatus   status = MStatus::kSuccess;

#if defined(D3D9_SUPPORTED)
        // Remove callbacks when plugin is unloaded.
        //
        if (D3DfileNewCallbackId)
        {
                MMessage::removeCallback( D3DfileNewCallbackId );               
                D3DfileNewCallbackId = 0;
        }
        if (D3DmayaExitCallbackId)
        {
                MMessage::removeCallback( D3DmayaExitCallbackId );
                D3DmayaExitCallbackId = 0;
        }
#endif

        // Deregister the renderer
        //
        if (g_d3dRenderer)
        {
                status = g_d3dRenderer->deregisterRenderer();
                if (status != MStatus::kSuccess)
                {
                        status.perror("Failed to deregister Direct3D renderer properly.");
                }
                delete g_d3dRenderer;
                g_d3dRenderer = 0;
        }
        return status;
}


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