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Code Issues Projects Releases Wiki Activity

Restore the "transparent" loading screen

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This commit is contained in:
scrawl 2015-06-07 21:21:57 +02:00
parent f3cbe7b9da
commit 0330d3d61e
2 changed files with 59 additions and 21 deletions
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69
apps/openmw/mwgui/loadingscreen.cpp
View File

@ -2,6 +2,8 @@
#include <osgViewer/Viewer>
#include <osg/Texture2D>
#include <MyGUI_RenderManager.h>
#include <MyGUI_ScrollBar.h>
#include <MyGUI_Gui.h>
@ -9,6 +11,8 @@
#include <components/misc/rng.hpp>
#include <components/myguiplatform/myguitexture.hpp>
#include <components/settings/settings.hpp>
#include <components/vfs/manager.hpp>
@ -96,6 +100,28 @@ namespace MWGui
mBackgroundImage->setVisible(visible);
}
class CopyFramebufferToTextureCallback : public osg::Camera::DrawCallback
{
public:
CopyFramebufferToTextureCallback(osg::Texture2D* texture, int w, int h)
: mTexture(texture), mWidth(w), mHeight(h)
{
}
virtual void operator () (osg::RenderInfo& renderInfo) const
{
mTexture->copyTexImage2D(*renderInfo.getState(), 0, 0, mWidth, mHeight);
// Callback removes itself when done
if (renderInfo.getCurrentCamera())
renderInfo.getCurrentCamera()->setInitialDrawCallback(NULL);
}
private:
osg::ref_ptr<osg::Texture2D> mTexture;
int mWidth, mHeight;
};
void LoadingScreen::loadingOn()
{
mLoadingOnTime = mTimer.time_m();
@ -114,29 +140,30 @@ namespace MWGui
if (!showWallpaper)
{
// TODO
/*
mBackgroundImage->setImageTexture("");
int width = mWindow->getWidth();
int height = mWindow->getHeight();
const std::string textureName = "@loading_background";
Ogre::TexturePtr texture;
texture = Ogre::TextureManager::getSingleton().getByName(textureName);
if (texture.isNull())
// Copy the current framebuffer onto a texture and display that texture as the background image
// Note, we could also set the camera to disable clearing and have the background image transparent,
// but then we get shaking effects on buffer swaps.
if (!mTexture)
{
texture = Ogre::TextureManager::getSingleton().createManual(textureName,
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D,
width, height, 0, mWindow->suggestPixelFormat(), Ogre::TU_DYNAMIC_WRITE_ONLY);
mTexture = new osg::Texture2D;
mTexture->setInternalFormat(GL_RGB);
mTexture->setResizeNonPowerOfTwoHint(false);
}
texture->unload();
texture->setWidth(width);
texture->setHeight(height);
texture->createInternalResources();
mWindow->copyContentsToMemory(texture->getBuffer()->lock(Ogre::Image::Box(0,0,width,height), Ogre::HardwareBuffer::HBL_DISCARD));
texture->getBuffer()->unlock();
mBackgroundImage->setBackgroundImage(texture->getName(), false, false);
*/
int width = mViewer->getCamera()->getViewport()->width();
int height = mViewer->getCamera()->getViewport()->height();
mViewer->getCamera()->setInitialDrawCallback(new CopyFramebufferToTextureCallback(mTexture, width, height));
if (!mGuiTexture.get())
{
mGuiTexture.reset(new osgMyGUI::OSGTexture(mTexture));
}
mBackgroundImage->setBackgroundImage("");
mBackgroundImage->setRenderItemTexture(mGuiTexture.get());
mBackgroundImage->getSubWidgetMain()->_setUVSet(MyGUI::FloatRect(0.f, 1.f, 1.f, 0.f));
}
setVisible(true);

11
apps/openmw/mwgui/loadingscreen.hpp
View File

@ -12,6 +12,12 @@ namespace osgViewer
{
class Viewer;
}
namespace osg
{
class Texture2D;
}
namespace VFS
{
class Manager;
@ -67,6 +73,11 @@ namespace MWGui
std::vector<std::string> mSplashScreens;
// TODO: add releaseGLObjects() for mTexture
osg::ref_ptr<osg::Texture2D> mTexture;
std::auto_ptr<MyGUI::ITexture> mGuiTexture;
void changeWallpaper();
void draw();