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/**
* @file llfetchedgltfmaterial.h
*
* $LicenseInfo:firstyear=2022&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2022, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#pragma once
#include "llgltfmaterial.h"
#include "llpointer.h"
#include "llviewertexture.h"
class LLGLSLShader;
class LLFetchedGLTFMaterial: public LLGLTFMaterial
{
friend class LLGLTFMaterialList; // for lifetime management
public:
LLFetchedGLTFMaterial();
virtual ~LLFetchedGLTFMaterial();
// If this material is loaded, fire the given function
void onMaterialComplete(std::function<void()> material_complete);
// bind this material for rendering
// media_tex - optional media texture that may override the base color texture
void bind(LLViewerTexture* media_tex = nullptr);
bool isFetching() const { return mFetching; }
// Textures used for fetching/rendering
LLPointer<LLViewerFetchedTexture> mBaseColorTexture;
LLPointer<LLViewerFetchedTexture> mNormalTexture;
LLPointer<LLViewerFetchedTexture> mMetallicRoughnessTexture;
LLPointer<LLViewerFetchedTexture> mEmissiveTexture;
protected:
// Lifetime management
void materialBegin();
void materialComplete();
F64 mExpectedFlusTime; // since epoch in seconds
bool mActive;
bool mFetching;
std::vector<std::function<void()>> materialCompleteCallbacks;
};
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