C++ GpuProgramParametersSharedPtr::get方法代码示例

//-----------------------------------------------------------------------
void UniformParameter::bind(GpuProgramParametersSharedPtr paramsPtr)
{	
	if (paramsPtr.get() != NULL)
	{
		const GpuConstantDefinition* def = paramsPtr->_findNamedConstantDefinition(mName);

		if (def != NULL)
		{
			mParamsPtr = paramsPtr.get();
			mPhysicalIndex = def->physicalIndex;
		}
	}
}

	//---------------------------------------------------------------------
	void GpuProgramUsage::recreateParameters()
	{
		// Keep a reference to old ones to copy
		GpuProgramParametersSharedPtr savedParams = mParameters;

		// Create new params
		mParameters = mProgram->createParameters();

		// Copy old (matching) values across
		// Don't use copyConstantsFrom since program may be different
		if (!savedParams.isNull())
			mParameters->copyMatchingNamedConstantsFrom(*savedParams.get());

		mRecreateParams = false;

	}

    //-----------------------------------------------------------------------------
    void GpuProgram::loadImpl(void)
    {
        if (mLoadFromFile)
        {
            // find & load source code
            DataStreamPtr stream = 
                ResourceGroupManager::getSingleton().openResource(
                    mFilename, mGroup, true, this);
            mSource = stream->getAsString();
        }

        // Call polymorphic load
        try 
        {
            loadFromSource();

            if (!mDefaultParams.isNull())
            {
                // Keep a reference to old ones to copy
                GpuProgramParametersSharedPtr savedParams = mDefaultParams;
                // reset params to stop them being referenced in the next create
                mDefaultParams.setNull();

                // Create new params
                mDefaultParams = createParameters();

                // Copy old (matching) values across
                // Don't use copyConstantsFrom since program may be different
                mDefaultParams->copyMatchingNamedConstantsFrom(*savedParams.get());

            }
        }
        catch (const Exception&)
        {
            StringStream ss;
            ss << "Gpu program " << mName << " encountered an error "
                << "during loading and is thus not supported.";
            
            mCompileErrorMessage = ss.str();
            // will already have been logged
            LogManager::getSingleton().stream() << mCompileErrorMessage;

            mCompileError = true;
        }

    }

    //---------------------------------------------------------------------------
    void HighLevelGpuProgram::loadHighLevel(void)
    {
        if (!mHighLevelLoaded)
        {
			try 
			{
				loadHighLevelImpl();
				mHighLevelLoaded = true;
				if (!mDefaultParams.isNull())
				{
					// Keep a reference to old ones to copy
					GpuProgramParametersSharedPtr savedParams = mDefaultParams;
					// reset params to stop them being referenced in the next create
					mDefaultParams.setNull();

					// Create new params
					mDefaultParams = createParameters();

					// Copy old (matching) values across
					// Don't use copyConstantsFrom since program may be different
					mDefaultParams->copyMatchingNamedConstantsFrom(*savedParams.get());

				}

			}
			catch (const Exception& e)
			{
				// will already have been logged
				LogManager::getSingleton().stream()
					<< "High-level program " << mName << " encountered an error "
					<< "during loading and is thus not supported.\n"
					<< e.getFullDescription();

				mCompileError = true;
			}
        }
    }