FGFS-4.1/OpenSceneGraph
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Added support for TextureCubeMap into osgUtil::RenderToTextureStage.

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This commit is contained in:
Robert Osfield
2005-07-25 13:05:57 +00:00
parent ee8f7bb756
commit 3c23a42f17
7 changed files with 190 additions and 82 deletions
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74
src/osgProducer/GraphicsContextImplementation.cpp
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@@ -12,7 +12,8 @@
*/
#include <osgProducer/GraphicsContextImplementation>
#include <osg/Notify>
#include <osg/TextureRectangle>
#include <osg/TextureCubeMap>
using namespace osgProducer;
@@ -50,22 +51,69 @@ GraphicsContextImplementation::GraphicsContextImplementation(Traits* traits)
if (traits->_pbuffer)
{
_rs->setDrawableType( Producer::RenderSurface::DrawableType_PBuffer );
_rs->setDrawableType(Producer::RenderSurface::DrawableType_PBuffer);
if (traits->_target)
{
_rs->setRenderToTextureOptions(Producer::RenderSurface::RenderToTextureOptions_Default);
_rs->setRenderToTextureMipMapLevel(traits->_level);
_rs->setRenderToTextureMode(traits->_alpha>0 ? Producer::RenderSurface::RenderToRGBATexture :
Producer::RenderSurface::RenderToRGBTexture);
switch(traits->_target)
{
case(GL_TEXTURE_1D) :
_rs->setRenderToTextureTarget(Producer::RenderSurface::Texture1D);
break;
case(GL_TEXTURE_2D) :
_rs->setRenderToTextureTarget(Producer::RenderSurface::Texture2D);
break;
case(GL_TEXTURE_3D) :
// not supported.
// _rs->setRenderToTextureTarget(Producer::RenderSurface::Texture3D);
break;
case(GL_TEXTURE_RECTANGLE) :
// not supported.
// _rs->setRenderToTextureTarget(Producer::RenderSurface::TextureRectangle);
break;
case(GL_TEXTURE_CUBE_MAP_POSITIVE_X) :
case(GL_TEXTURE_CUBE_MAP_NEGATIVE_X) :
case(GL_TEXTURE_CUBE_MAP_POSITIVE_Y) :
case(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y) :
case(GL_TEXTURE_CUBE_MAP_POSITIVE_Z) :
case(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) :
_rs->setRenderToTextureTarget(Producer::RenderSurface::TextureCUBE);
_rs->setRenderToTextureFace( Producer::RenderSurface::CubeMapFace(traits->_target - GL_TEXTURE_CUBE_MAP_POSITIVE_X));
break;
}
}
if (traits->_alpha>0)
{
_rs->setRenderToTextureMode(Producer::RenderSurface::RenderToRGBATexture);
}
else
{
_rs->setRenderToTextureMode(Producer::RenderSurface::RenderToRGBTexture);
}
}
setState(new osg::State);
getState()->setContextID(1);
GraphicsContextImplementation* sharedContext = dynamic_cast<GraphicsContextImplementation*>(traits->_sharedContext);
if (sharedContext)
{
// different graphics context so we have our own state.
setState(new osg::State);
// but we share texture objects etc. so we also share the same contextID
getState()->setContextID( sharedContext->getState() ? sharedContext->getState()->getContextID() : 1 );
_rs->realize();
_rs->realize(0, sharedContext->_rs->getGLContext());
}
else
{
static int count = 1;
// need to do something here....
setState(new osg::State);
getState()->setContextID(count++);
_rs->realize();
}
}