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/**
* @file lldrawpoolpbropaque.cpp
* @brief LLDrawPoolPBROpaque class implementation
*
* $LicenseInfo:firstyear=2022&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lldrawpool.h"
#include "lldrawpoolpbropaque.h"
#include "llviewershadermgr.h"
#include "pipeline.h"
LLDrawPoolPBROpaque::LLDrawPoolPBROpaque() :
LLRenderPass(POOL_PBR_OPAQUE)
{
}
void LLDrawPoolPBROpaque::prerender()
{
mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
}
// Forward
void LLDrawPoolPBROpaque::beginRenderPass(S32 pass)
{
}
void LLDrawPoolPBROpaque::endRenderPass( S32 pass )
{
}
void LLDrawPoolPBROpaque::render(S32 pass)
{
}
void LLDrawPoolPBROpaque::renderDeferred(S32 pass)
{
if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_MATERIALS))
{
return;
}
const U32 type = LLPipeline::RENDER_TYPE_PASS_PBR_OPAQUE;
if (!gPipeline.hasRenderType(type))
{
return;
}
gGL.flush();
LLGLDisable blend(GL_BLEND);
LLGLDisable alpha_test(GL_ALPHA_TEST);
LLVOAvatar* lastAvatar = nullptr;
U64 lastMeshId = 0;
for (int i = 0; i < 2; ++i)
{
bool rigged = (i == 1);
LLGLSLShader* shader = &gDeferredPBROpaqueProgram;
U32 vertex_data_mask = getVertexDataMask();
if (rigged)
{
shader = shader->mRiggedVariant;
vertex_data_mask |= LLVertexBuffer::MAP_WEIGHT4;
}
shader->bind();
LLCullResult::drawinfo_iterator begin = gPipeline.beginRenderMap(type+i);
LLCullResult::drawinfo_iterator end = gPipeline.endRenderMap(type+i);
for (LLCullResult::drawinfo_iterator i = begin; i != end; ++i)
{
LLDrawInfo* pparams = *i;
LLGLTFMaterial *mat = pparams->mGLTFMaterial;
// glTF 2.0 Specification 3.9.4. Alpha Coverage
// mAlphaCutoff is only valid for LLGLTFMaterial::ALPHA_MODE_MASK
F32 min_alpha = -1.0;
if (mat->mAlphaMode == LLGLTFMaterial::ALPHA_MODE_MASK)
{
min_alpha = mat->mAlphaCutoff;
}
shader->uniform1f(LLShaderMgr::MINIMUM_ALPHA, min_alpha);
if (pparams->mTexture.notNull())
{
gGL.getTexUnit(0)->bindFast(pparams->mTexture); // diffuse
}
else
{
gGL.getTexUnit(0)->bindFast(LLViewerFetchedTexture::sWhiteImagep);
}
if (pparams->mNormalMap)
{
shader->bindTexture(LLShaderMgr::BUMP_MAP, pparams->mNormalMap);
}
else
{
shader->bindTexture(LLShaderMgr::BUMP_MAP, LLViewerFetchedTexture::sFlatNormalImagep);
}
if (pparams->mSpecularMap)
{
shader->bindTexture(LLShaderMgr::SPECULAR_MAP, pparams->mSpecularMap); // PBR linear packed Occlusion, Roughness, Metal.
}
else
{
shader->bindTexture(LLShaderMgr::SPECULAR_MAP, LLViewerFetchedTexture::sWhiteImagep);
}
if (pparams->mEmissiveMap)
{
shader->bindTexture(LLShaderMgr::EMISSIVE_MAP, pparams->mEmissiveMap); // PBR sRGB Emissive
}
else
{
shader->bindTexture(LLShaderMgr::EMISSIVE_MAP, LLViewerFetchedTexture::sWhiteImagep);
}
shader->uniform1f(LLShaderMgr::ROUGHNESS_FACTOR, pparams->mGLTFMaterial->mRoughnessFactor);
shader->uniform1f(LLShaderMgr::METALLIC_FACTOR, pparams->mGLTFMaterial->mMetallicFactor);
shader->uniform3fv(LLShaderMgr::EMISSIVE_COLOR, 1, pparams->mGLTFMaterial->mEmissiveColor.mV);
if (rigged)
{
if (pparams->mAvatar.notNull() && (lastAvatar != pparams->mAvatar || lastMeshId != pparams->mSkinInfo->mHash))
{
uploadMatrixPalette(*pparams);
lastAvatar = pparams->mAvatar;
lastMeshId = pparams->mSkinInfo->mHash;
}
pushBatch(*pparams, vertex_data_mask, FALSE, FALSE);
}
else
{
pushBatch(*pparams, vertex_data_mask, FALSE, FALSE);
}
}
}
LLGLSLShader::sCurBoundShaderPtr->unbind();
}
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