FGFS-4.1/OpenSceneGraph
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Removed debugging readImageFile, and done further work on RTT setup.

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This commit is contained in:
Robert Osfield
2007-02-16 13:17:04 +00:00
parent fd3a0c25ba
commit 89fdc9fa37
1 changed files with 12 additions and 8 deletions
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20
src/osgShadow/ShadowTexture.cpp
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@@ -15,8 +15,6 @@
#include <osgShadow/ShadowedScene>
#include <osg/Notify>
#include <osgDB/ReadFile>
using namespace osgShadow;
class CameraCullCallback : public osg::NodeCallback
@@ -59,6 +57,7 @@ ShadowTexture::ShadowTexture(const ShadowTexture& copy, const osg::CopyOp& copyo
void ShadowTexture::init()
{
if (!_shadowedScene) return;
unsigned int tex_width = 512;
unsigned int tex_height = 512;
@@ -72,8 +71,6 @@ void ShadowTexture::init()
_texture->setWrap(osg::Texture2D::WRAP_T,osg::Texture2D::CLAMP_TO_BORDER);
_texture->setBorderColor(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
_texture->setImage(osgDB::readImageFile("Images/road.png"));
// set up the render to texture camera.
{
// create the camera
@@ -90,7 +87,8 @@ void ShadowTexture::init()
_camera->setRenderOrder(osg::Camera::PRE_RENDER);
// tell the camera to use OpenGL frame buffer object where supported.
_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
//_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
_camera->setRenderTargetImplementation(osg::Camera::SEPERATE_WINDOW);
// attach the texture and use it as the color buffer.
_camera->attach(osg::Camera::COLOR_BUFFER, _texture.get());
@@ -113,11 +111,14 @@ void ShadowTexture::init()
_stateset->setTextureMode(_textureUnit,GL_TEXTURE_GEN_R,osg::StateAttribute::ON);
_stateset->setTextureMode(_textureUnit,GL_TEXTURE_GEN_Q,osg::StateAttribute::ON);
}
_dirty = false;
}
void ShadowTexture::update(osg::NodeVisitor&)
void ShadowTexture::update(osg::NodeVisitor& nv)
{
_shadowedScene->osg::Group::traverse(nv);
}
void ShadowTexture::cull(osgUtil::CullVisitor& cv)
@@ -125,8 +126,6 @@ void ShadowTexture::cull(osgUtil::CullVisitor& cv)
// record the traversal mask on entry so we can reapply it later.
unsigned int traversalMask = cv.getTraversalMask();
// do RTT camera traversal
// _camera->accept(cv);
// do traversal of shadow casting scene which does not need to be decorated by the shadow texture
{
@@ -149,6 +148,11 @@ void ShadowTexture::cull(osgUtil::CullVisitor& cv)
}
// do RTT camera traversal
_camera->accept(cv);
// reapply the original traversal mask
cv.setTraversalMask( traversalMask );
}