Ogre Forums

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	void MyGUIPass::execute(const Ogre::Camera *lodCameraconst)
	{
        profilingBegin();
        executeResourceTransitions();
        setRenderPassDescToCurrent();
		static_cast<MyGUI::Ogre2RenderManager*>(MyGUI::RenderManager::getInstancePtr())->render();
        profilingEnd();
	}

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Platforms/Ogre2/Ogre2Platform/src/MyGUI_Ogre2RTTexture.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Platforms/Ogre2/Ogre2Platform/src/MyGUI_Ogre2RTTexture.cpp b/Platforms/Ogre2/Ogre2Platform/src/MyGUI_Ogre2RTTexture.cpp
index 72a57b5..a32177d 100644
--- a/Platforms/Ogre2/Ogre2Platform/src/MyGUI_Ogre2RTTexture.cpp
+++ b/Platforms/Ogre2/Ogre2Platform/src/MyGUI_Ogre2RTTexture.cpp
@@ -100,7 +100,7 @@ namespace MyGUI
         //mSaveRenderPassDesc = system->getCurrentPassDescriptor();
         Ogre::Vector4 viewportSize(0, 0, 1, 1);
         Ogre::Vector4 scissors(0, 0, 1, 1);
-        system->beginRenderPassDescriptor(mRenderPassDesc, mTexture, 0, viewportSize, scissors, false, false);
+        system->beginRenderPassDescriptor(mRenderPassDesc, mTexture, 0, &viewportSize, &scissors, 1, false, false);
 #endif
     }

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#include <OgreTextureManager.h>
#include <OgreTexture.h>
#include <OgrePixelBox.h>
...

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Ogre::TextureUsage Ogre2Texture::convertUsage(TextureUsage _usage)
	{
		if (_usage == TextureUsage::Default)
		{
			return Ogre::TU_STATIC_WRITE_ONLY;
		}
		else if (_usage == TextureUsage::RenderTarget)
		{
			return Ogre::TU_RENDERTARGET;
		}
		else if (_usage.isValue(TextureUsage::Static))
		{
			if (_usage.isValue(TextureUsage::Write))
			{
				return Ogre::TU_STATIC_WRITE_ONLY;
			}
			else
			{
				return Ogre::TU_STATIC;
			}
		}
		else if (_usage.isValue(TextureUsage::Dynamic))
		{
			if (_usage.isValue(TextureUsage::Write))
			{
				return Ogre::TU_DYNAMIC_WRITE_ONLY;
			}
			else
			{
				return Ogre::TU_DYNAMIC;
			}
		}
		else if (_usage.isValue(TextureUsage::Stream))
		{
			if (_usage.isValue(TextureUsage::Write))
			{
				return Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE;
			}
			else
			{
				return Ogre::TU_DYNAMIC;
			}
		}
		return Ogre::TU_DEFAULT;
	}

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void Ogre2Texture::createManual(int _width, int _height, TextureUsage _usage, PixelFormat _format)
    {
        setFormat(_format);
        setUsage(_usage);
        uint32 textureFlags = 0; // Ogre::TextureFlags::PrefersLoadingFromFileAsSRGB
        if (_usage.isValue(TextureUsage::RenderTarget)) {
            textureFlags |= Ogre::TextureFlags::RenderToTexture;
        }
        // TODO: Ogre::TextureFlags::Manual

        Ogre::TextureGpuManager *textureMgr = Ogre::Root::getSingletonPtr()->getRenderSystem()->getTextureGpuManager();
        mTexture = textureMgr->createOrRetrieveTexture(
            mName,
            Ogre::GpuPageOutStrategy::Discard,
            textureFlags,
            Ogre::TextureTypes::Type2D,
            Ogre::ResourceGroupManager::
            AUTODETECT_RESOURCE_GROUP_NAME);
        
        if (mTexture) {
            mTexture->setResolution(_width, _height);
            mTexture->setPixelFormat(mPixelFormat);
        }

        if (_usage.isValue(TextureUsage::RenderTarget)) {
            textureFlags |= Ogre::TextureFlags::RenderToTexture;
            if (mTexture->getNextResidencyStatus() != Ogre::GpuResidency::Resident) {
                mTexture->_transitionTo(Ogre::GpuResidency::Resident, nullptr);
                mTexture->_setNextResidencyStatus(Ogre::GpuResidency::Resident);
            }
        }
        setDataBlockTexture(mTexture);
    }

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mSceneManager->getRenderQueue()->renderPassPrepare(false, false);
mSceneManager->getRenderQueue()->render(mSceneManager->getDestinationRenderSystem(), RENDER_QUEUE_OVERLAY, RENDER_QUEUE_OVERLAY+1, false, false);