79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/**
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* @file llgltfmaterialpreviewmgr.h
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*
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* $LicenseInfo:firstyear=2023&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2023, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#pragma once
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#include "lldrawpool.h"
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#include "lldynamictexture.h"
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#include "llfetchedgltfmaterial.h"
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#include "llsingleton.h"
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#include "lltexture.h"
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class LLGLTFPreviewTexture : public LLViewerDynamicTexture
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{
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protected:
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LLGLTFPreviewTexture(LLPointer<LLFetchedGLTFMaterial> material, S32 width);
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public:
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// Width scales with size of material's textures
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static LLPointer<LLGLTFPreviewTexture> create(LLPointer<LLFetchedGLTFMaterial> material);
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bool needsRender() override;
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void preRender(bool clear_depth = TRUE) override;
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bool render() override;
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void postRender(bool success) override;
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struct MaterialLoadLevels
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{
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S32 levels[LLGLTFMaterial::GLTF_TEXTURE_INFO_COUNT];
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MaterialLoadLevels();
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bool isFullyLoaded();
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S32& operator[](size_t i);
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const S32& operator[](size_t i) const;
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// Less is better
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// Returns false if lhs is not strictly less or equal for all levels
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bool operator<(const MaterialLoadLevels& other) const;
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// Less is better
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// Returns false if lhs is not strictly greater or equal for all levels
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bool operator>(const MaterialLoadLevels& other) const;
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};
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private:
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LLPointer<LLFetchedGLTFMaterial> mGLTFMaterial;
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bool mShouldRender = true;
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MaterialLoadLevels mBestLoad;
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};
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class LLGLTFMaterialPreviewMgr
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{
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public:
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// Returns null if the material is not loaded yet.
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// *NOTE: User should cache the texture if the same material is being previewed
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LLPointer<LLViewerTexture> getPreview(LLPointer<LLFetchedGLTFMaterial> &material);
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};
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extern LLGLTFMaterialPreviewMgr gGLTFMaterialPreviewMgr;
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