104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
/**
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* @file llfetchedgltfmaterial.cpp
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*
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* $LicenseInfo:firstyear=2022&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2022, 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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#include "llviewerprecompiledheaders.h"
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#include "llfetchedgltfmaterial.h"
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#include "llviewertexturelist.h"
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#include "llavatarappearancedefines.h"
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#include "llshadermgr.h"
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LLFetchedGLTFMaterial::LLFetchedGLTFMaterial()
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: LLGLTFMaterial()
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, mExpectedFlusTime(0.f)
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, mActive(true)
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, mFetching(false)
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{
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}
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LLFetchedGLTFMaterial::~LLFetchedGLTFMaterial()
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{
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}
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void LLFetchedGLTFMaterial::bind(LLGLSLShader* shader)
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{
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// glTF 2.0 Specification 3.9.4. Alpha Coverage
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// mAlphaCutoff is only valid for LLGLTFMaterial::ALPHA_MODE_MASK
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F32 min_alpha = -1.0;
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if (mAlphaMode == LLGLTFMaterial::ALPHA_MODE_MASK)
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{
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min_alpha = mAlphaCutoff;
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}
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shader->uniform1f(LLShaderMgr::MINIMUM_ALPHA, min_alpha);
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if (mBaseColorTexture.notNull())
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{
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gGL.getTexUnit(0)->bindFast(mBaseColorTexture);
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}
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else
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{
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gGL.getTexUnit(0)->bindFast(LLViewerFetchedTexture::sWhiteImagep);
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}
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if (mNormalTexture.notNull())
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{
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shader->bindTexture(LLShaderMgr::BUMP_MAP, mNormalTexture);
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}
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else
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{
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shader->bindTexture(LLShaderMgr::BUMP_MAP, LLViewerFetchedTexture::sFlatNormalImagep);
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}
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if (mMetallicRoughnessTexture.notNull())
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{
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shader->bindTexture(LLShaderMgr::SPECULAR_MAP, mMetallicRoughnessTexture); // PBR linear packed Occlusion, Roughness, Metal.
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}
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else
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{
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shader->bindTexture(LLShaderMgr::SPECULAR_MAP, LLViewerFetchedTexture::sWhiteImagep);
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}
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if (mEmissiveTexture.notNull())
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{
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shader->bindTexture(LLShaderMgr::EMISSIVE_MAP, mEmissiveTexture); // PBR sRGB Emissive
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}
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else
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{
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shader->bindTexture(LLShaderMgr::EMISSIVE_MAP, LLViewerFetchedTexture::sWhiteImagep);
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}
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// NOTE: base color factor is baked into vertex stream
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shader->uniform1f(LLShaderMgr::ROUGHNESS_FACTOR, mRoughnessFactor);
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shader->uniform1f(LLShaderMgr::METALLIC_FACTOR, mMetallicFactor);
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shader->uniform3fv(LLShaderMgr::EMISSIVE_COLOR, 1, mEmissiveColor.mV);
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}
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