TextureBufferTransitPtr DeferredShadingStage::createGBuffer(
UInt32 index, Int32 width, Int32 height)
{
TextureBufferTransitPtr buf = TextureBuffer ::createLocal();
TextureObjChunkUnrecPtr bufTex = TextureObjChunk::createLocal();
ImageUnrecPtr bufImg = Image ::createLocal();
bufImg->set(_mfPixelFormats[index],
width,
height,
1,
1,
1,
0.0f,
NULL,
_mfPixelTypes[index],
false,
1);
bufTex->setImage (bufImg );
bufTex->setTarget (GL_TEXTURE_RECTANGLE_ARB);
bufTex->setMinFilter(GL_NEAREST );
bufTex->setMagFilter(GL_NEAREST );
bufTex->setWrapS (GL_CLAMP );
bufTex->setWrapT (GL_CLAMP );
bufTex->setScale (false );
buf ->setTexture (bufTex );
// START DEBUG
GLenum internalFormat;
GLenum externalFormat;
bufTex->determineFormats(internalFormat, externalFormat);
FLOG(("DSStage::createGBuffer: IF [%s] EF [%s]\n",
GLDefineMapper::the()->toString(internalFormat).c_str(),
GLDefineMapper::the()->toString(externalFormat).c_str() ));
// END DEBUG
return buf;
}
void ShaderShadowMapEngine::updateShadowTexChunk(SSMEngineData *data)
{
TextureObjChunk *bufTex = data->getShadowTexChunk();
if(bufTex == NULL)
{
TextureObjChunkUnrecPtr newBufTex = TextureObjChunk::createLocal();
newBufTex->setMinFilter (GL_LINEAR );
newBufTex->setMagFilter (GL_LINEAR );
newBufTex->setWrapS (GL_CLAMP_TO_EDGE );
newBufTex->setWrapT (GL_CLAMP_TO_EDGE );
newBufTex->setWrapR (GL_CLAMP_TO_EDGE );
newBufTex->setScale (false );
newBufTex->setInternalFormat(GL_DEPTH_COMPONENT24 );
newBufTex->setExternalFormat(GL_DEPTH_COMPONENT );
newBufTex->setCompareMode (GL_COMPARE_R_TO_TEXTURE);
newBufTex->setCompareFunc (GL_LESS );
newBufTex->setDepthMode (GL_LUMINANCE );
data->setShadowTexChunk(newBufTex);
this->setShadowTexChunk(newBufTex);
}
}
