void ShaderShadowMapEngine::updateShadowTexBuffers(SSMEngineData *data)
{
TextureObjChunk *bufTex = data->getShadowTexChunk();
if(data->getMFShadowTexBuffers()->empty() == true)
{
TextureBufferUnrecPtr newBuf = TextureBuffer::createLocal();
newBuf->setTexture (bufTex );
newBuf->setTexTarget(GL_TEXTURE_2D);
data->editMFShadowTexBuffers()->push_back(newBuf);
}
}
void ShaderShadowMapEngine::updatePointLightShadowTexBuffers(
SSMEngineData *data)
{
TextureObjChunk *bufTex = data->getShadowTexChunk();
if(data->getMFShadowTexBuffers()->empty() == true)
{
for(UInt16 i = 0; i < 6; ++i)
{
TextureBufferUnrecPtr newBuf = TextureBuffer::createLocal();
newBuf->setTexture (bufTex );
newBuf->setTexTarget(_cubeFaceTargets[i]);
data->editMFShadowTexBuffers()->push_back(newBuf);
}
}
}
CubeMapGeneratorStageDataTransitPtr CubeMapGenerator::setupStageData(
RenderActionBase *pAction)
{
CubeMapGeneratorStageDataTransitPtr returnValue =
CubeMapGeneratorStageData::createLocal();
if(returnValue == NULL)
return returnValue;
FrameBufferObjectUnrecPtr pCubeTarget = NULL;
RenderBufferUnrecPtr pDepthBuffer = NULL;
if(this->getRenderTarget() == NULL)
{
pCubeTarget = FrameBufferObject::createLocal();
pDepthBuffer = RenderBuffer ::createLocal();
pDepthBuffer->setInternalFormat (GL_DEPTH_COMPONENT24);
pCubeTarget ->setDepthAttachment(pDepthBuffer );
returnValue ->setRenderTarget (pCubeTarget );
}
else
{
pCubeTarget = this->getRenderTarget();
}
TextureObjChunkUnrecPtr pCubeTex = NULL;
if(0x0000 != (_sfSetupMode.getValue() & SetupTexture))
{
pCubeTex = TextureObjChunk::createLocal();
ImageUnrecPtr pImg = Image::createLocal();
pImg->set(Image::OSG_RGB_PF,
getWidth (),
getHeight(),
1,
1,
1,
0.0,
0,
Image::OSG_UINT8_IMAGEDATA,
false,
6);
pCubeTex ->setImage (pImg );
pCubeTex ->setMinFilter (GL_LINEAR );
pCubeTex ->setMagFilter (GL_LINEAR );
pCubeTex ->setWrapS (GL_CLAMP_TO_EDGE );
pCubeTex ->setWrapT (GL_CLAMP_TO_EDGE );
pCubeTex ->setWrapR (GL_CLAMP_TO_EDGE );
pCubeTex ->setInternalFormat(getTextureFormat());
}
else
{
pCubeTex = _sfTexture.getValue();
}
TextureEnvChunkUnrecPtr pCubeTexEnv = NULL;
if(0x0000 != (_sfSetupMode.getValue() & SetupTexEnv))
{
pCubeTexEnv = TextureEnvChunk::createLocal();
pCubeTexEnv->setEnvMode (GL_REPLACE );
}
TexGenChunkUnrecPtr pCubeTexGen = NULL;
TextureTransformChunkUnrecPtr pCubeTexTrans = NULL;
if(0x0000 != (_sfSetupMode.getValue() & SetupTexGen))
{
pCubeTexGen = TexGenChunk::createLocal();
pCubeTexGen->setGenFuncS(GL_REFLECTION_MAP);
pCubeTexGen->setGenFuncT(GL_REFLECTION_MAP);
pCubeTexGen->setGenFuncR(GL_REFLECTION_MAP);
pCubeTexTrans = TextureTransformChunk::createLocal();
pCubeTexTrans->setUseCameraBeacon(true);
}
static GLenum targets[6] =
{
GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
};
for(UInt32 i = 0; i < 6; ++i)
{
TextureBufferUnrecPtr pCubeTexBuffer = TextureBuffer::createLocal();
pCubeTexBuffer->setTexture (pCubeTex );
pCubeTexBuffer->setTexTarget(targets[i]);
pCubeTarget->setColorAttachment(pCubeTexBuffer, i);
}
pCubeTarget->setSize(getWidth (),
getHeight());
if(0x0000 != (_sfSetupMode.getValue() & OverrideTex))
{
returnValue->addChunk(pCubeTex,
getTexUnit());
}
if(0x0000 != (_sfSetupMode.getValue() & SetupTexEnv))
{
returnValue->addChunk(pCubeTexEnv,
getTexUnit());
}
if(0x0000 != (_sfSetupMode.getValue() & SetupTexGen))
{
returnValue->addChunk(pCubeTexGen,
getTexUnit());
returnValue->addChunk(pCubeTexTrans,
getTexUnit());
returnValue->setTexTransform(pCubeTexTrans);
}
if(this->getCamera() == NULL)
{
PerspectiveCameraUnrecPtr pCam = PerspectiveCamera::createLocal();
pCam->setNear(pAction->getCamera()->getNear());
pCam->setFar (pAction->getCamera()->getFar ());
pCam->setFov (osgDegree2Rad(90.f));
returnValue->setCamera(pCam);
}
return returnValue;
}
