AtomicGameEngine/Source/Atomic/Graphics/RenderSurface.cpp

//
// Copyright (c) 2008-2017 the Urho3D project.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// THE SOFTWARE.
//

#include "../Precompiled.h"

#include "../Graphics/Camera.h"
#include "../Graphics/Graphics.h"
#include "../Graphics/GraphicsImpl.h"
#include "../Graphics/Renderer.h"
#include "../Graphics/RenderSurface.h"
#include "../Graphics/Texture.h"

#include "../DebugNew.h"

namespace Atomic
{

RenderSurface::~RenderSurface()
{
    // ATOMIC BEGIN
    // only release if parent texture hasn't expired, in that case 
    // parent texture was deleted and will have called release on render surface
    if (!parentTexture_.Expired())
    {
        Release();
    }
    // ATOMIC END
}

void RenderSurface::SetNumViewports(unsigned num)
{
    viewports_.Resize(num);
}

void RenderSurface::SetViewport(unsigned index, Viewport* viewport)
{
    if (index >= viewports_.Size())
        viewports_.Resize(index + 1);

    viewports_[index] = viewport;
}

void RenderSurface::SetUpdateMode(RenderSurfaceUpdateMode mode)
{
    updateMode_ = mode;
}

void RenderSurface::SetLinkedRenderTarget(RenderSurface* renderTarget)
{
    if (renderTarget != this)
        linkedRenderTarget_ = renderTarget;
}

void RenderSurface::SetLinkedDepthStencil(RenderSurface* depthStencil)
{
    if (depthStencil != this)
        linkedDepthStencil_ = depthStencil;
}

void RenderSurface::QueueUpdate()
{
    updateQueued_ = true;
}

void RenderSurface::ResetUpdateQueued()
{
    updateQueued_ = false;
}

int RenderSurface::GetWidth() const
{
    return parentTexture_->GetWidth();
}

int RenderSurface::GetHeight() const
{
    return parentTexture_->GetHeight();
}

TextureUsage RenderSurface::GetUsage() const
{
    return parentTexture_->GetUsage();
}

int RenderSurface::GetMultiSample() const
{
    return parentTexture_->GetMultiSample();
}

bool RenderSurface::GetAutoResolve() const
{
    return parentTexture_->GetAutoResolve();
}

Viewport* RenderSurface::GetViewport(unsigned index) const
{
    return index < viewports_.Size() ? viewports_[index] : (Viewport*)0;
}

}