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https://github.com/OPM/ResInsight.git
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289 lines
10 KiB
C++
289 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2011- Statoil ASA
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// Copyright (C) 2013- Ceetron Solutions AS
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// Copyright (C) 2011-2012 Ceetron AS
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RivCellEdgeEffectGenerator.h"
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#include "RivTernaryScalarMapper.h"
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#include "cvfRenderStateBlending.h"
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#include "cvfRenderStateCullFace.h"
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#include "cvfRenderStateTextureBindings.h"
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#include "cvfSampler.h"
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#include "cvfShaderProgram.h"
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#include "cvfShaderProgramGenerator.h"
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#include "cvfShaderSourceProvider.h"
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#include "cvfTexture.h"
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#include "cvfqtUtils.h"
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#include <QFile>
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#include <QTextStream>
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#include "cvfUniform.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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CellEdgeEffectGenerator::CellEdgeEffectGenerator(const cvf::ScalarMapper* edgeScalarMapper)
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{
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CVF_ASSERT(edgeScalarMapper != nullptr);
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m_edgeScalarMapper = edgeScalarMapper;
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m_cullBackfaces = caf::FC_NONE;
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m_opacityLevel = 1.0f;
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m_defaultCellColor = cvf::Color3f(cvf::Color3::WHITE);
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m_disableLighting = false;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void CellEdgeEffectGenerator::setScalarMapper(const cvf::ScalarMapper* cellScalarMapper)
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{
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m_cellScalarMapper = cellScalarMapper;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void CellEdgeEffectGenerator::setTernaryScalarMapper(const RivTernaryScalarMapper* ternaryScalarMapper)
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{
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m_ternaryCellScalarMapper = ternaryScalarMapper;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool CellEdgeEffectGenerator::isEqual(const EffectGenerator* other) const
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{
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const CellEdgeEffectGenerator* otherCellFaceEffectGenerator = dynamic_cast<const CellEdgeEffectGenerator*>(other);
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if (otherCellFaceEffectGenerator
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&& m_cellScalarMapper.p() == otherCellFaceEffectGenerator->m_cellScalarMapper.p()
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&& m_edgeScalarMapper.p() == otherCellFaceEffectGenerator->m_edgeScalarMapper.p()
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&& m_ternaryCellScalarMapper.p() == otherCellFaceEffectGenerator->m_ternaryCellScalarMapper.p()
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&& m_cullBackfaces == otherCellFaceEffectGenerator->m_cullBackfaces
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&& m_opacityLevel == otherCellFaceEffectGenerator->m_opacityLevel
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&& m_undefinedColor == otherCellFaceEffectGenerator->m_undefinedColor
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&& m_defaultCellColor == otherCellFaceEffectGenerator->m_defaultCellColor
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&& m_disableLighting == otherCellFaceEffectGenerator->m_disableLighting
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)
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{
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cvf::ref<cvf::TextureImage> texImg2 = new cvf::TextureImage;
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if (otherCellFaceEffectGenerator->m_edgeScalarMapper.notNull())
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{
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otherCellFaceEffectGenerator->m_edgeScalarMapper->updateTexture(texImg2.p());
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if (!caf::ScalarMapperEffectGenerator::isImagesEqual(m_edgeTextureImage.p(), texImg2.p())) return false;
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}
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if (otherCellFaceEffectGenerator->m_cellScalarMapper.notNull())
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{
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otherCellFaceEffectGenerator->m_cellScalarMapper->updateTexture(texImg2.p());
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if (!caf::ScalarMapperEffectGenerator::isImagesEqual(m_cellTextureImage.p(), texImg2.p())) return false;
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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caf::EffectGenerator* CellEdgeEffectGenerator::copy() const
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{
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CellEdgeEffectGenerator * newEffect = new CellEdgeEffectGenerator(m_edgeScalarMapper.p());
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newEffect->setScalarMapper(m_cellScalarMapper.p());
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newEffect->setTernaryScalarMapper(m_ternaryCellScalarMapper.p());
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newEffect->m_edgeTextureImage = m_edgeTextureImage;
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newEffect->m_cellTextureImage = m_cellTextureImage;
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newEffect->setOpacityLevel(m_opacityLevel);
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newEffect->setFaceCulling(m_cullBackfaces);
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newEffect->setUndefinedColor(m_undefinedColor);
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newEffect->setDefaultCellColor(m_defaultCellColor);
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newEffect->disableLighting(m_disableLighting);
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return newEffect;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void CellEdgeEffectGenerator::updateForShaderBasedRendering(cvf::Effect* effect) const
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{
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cvf::ref<cvf::Effect> eff = effect;
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// Set up shader program
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cvf::ShaderProgramGenerator shaderGen("CellEdgeFaceShaderProgramGenerator", cvf::ShaderSourceProvider::instance());
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{
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QFile file(":/Shader/fs_CellFace.glsl");
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if (file.open(QFile::ReadOnly))
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{
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QTextStream in(&file);
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QString data = in.readAll();
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cvf::String cvfString = cvfqt::Utils::toString(data);
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shaderGen.addFragmentCode(cvfString);
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}
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}
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if (m_ternaryCellScalarMapper.notNull())
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{
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{
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QFile file(":/Shader/vs_2dTextureCellFace.glsl");
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if (file.open(QFile::ReadOnly))
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{
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QTextStream in(&file);
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QString data = in.readAll();
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cvf::String cvfString = cvfqt::Utils::toString(data);
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shaderGen.addVertexCode(cvfString);
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}
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}
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}
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else
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{
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{
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QFile file(":/Shader/vs_CellFace.glsl");
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if (file.open(QFile::ReadOnly))
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{
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QTextStream in(&file);
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QString data = in.readAll();
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cvf::String cvfString = cvfqt::Utils::toString(data);
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shaderGen.addVertexCode(cvfString);
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}
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}
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}
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if (m_disableLighting)
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{
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shaderGen.addFragmentCode(cvf::ShaderSourceRepository::fs_Unlit);
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}
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else
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{
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shaderGen.addFragmentCode(caf::CommonShaderSources::light_AmbientDiffuse());
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shaderGen.addFragmentCode(cvf::ShaderSourceRepository::fs_Standard);
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}
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cvf::ref<cvf::ShaderProgram> prog = shaderGen.generate();
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eff->setShaderProgram(prog.p());
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if(!m_disableLighting) prog->setDefaultUniform(new cvf::UniformFloat("u_ecLightPosition", cvf::Vec3f(0.5, 5.0, 7.0)));
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// Set up textures
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m_edgeTextureImage = new cvf::TextureImage;
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m_cellTextureImage = new cvf::TextureImage;
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cvf::ref<cvf::TextureImage> modifiedCellTextImage;
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m_edgeScalarMapper->updateTexture(m_edgeTextureImage.p());
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if (m_ternaryCellScalarMapper.notNull())
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{
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m_ternaryCellScalarMapper->updateTexture(m_cellTextureImage.p(), m_opacityLevel);
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modifiedCellTextImage = m_cellTextureImage;
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}
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else if (m_cellScalarMapper.notNull())
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{
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m_cellScalarMapper->updateTexture(m_cellTextureImage.p());
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modifiedCellTextImage = caf::ScalarMapperEffectGenerator::addAlphaAndUndefStripes(m_cellTextureImage.p(), m_undefinedColor, m_opacityLevel);
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}
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else
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{
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modifiedCellTextImage = new cvf::TextureImage;
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modifiedCellTextImage->allocate(2,1);
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modifiedCellTextImage->fill(cvf::Color4ub(cvf::Color4f(m_defaultCellColor, m_opacityLevel)));
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}
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cvf::ref<cvf::Texture> edgeTexture = new cvf::Texture(m_edgeTextureImage.p());
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cvf::ref<cvf::Texture> cellTexture = new cvf::Texture(modifiedCellTextImage.p());
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cvf::ref<cvf::Sampler> sampler = new cvf::Sampler;
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sampler->setWrapMode(cvf::Sampler::CLAMP_TO_EDGE);
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sampler->setMinFilter(cvf::Sampler::NEAREST);
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sampler->setMagFilter(cvf::Sampler::NEAREST);
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cvf::ref<cvf::RenderStateTextureBindings> texBind = new cvf::RenderStateTextureBindings;
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texBind->addBinding(edgeTexture.p(), sampler.p(), "u_edgeTexture2D");
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texBind->addBinding(cellTexture.p(), sampler.p(), "u_cellTexture2D");
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eff->setRenderState(texBind.p());
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// Polygon offset
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if (true)
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{
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cvf::ref<cvf::RenderStatePolygonOffset> polyOffset = new cvf::RenderStatePolygonOffset;
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polyOffset->configurePolygonPositiveOffset();
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eff->setRenderState(polyOffset.p());
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}
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// Simple transparency
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if (m_opacityLevel < 1.0f)
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{
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cvf::ref<cvf::RenderStateBlending> blender = new cvf::RenderStateBlending;
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blender->configureTransparencyBlending();
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eff->setRenderState(blender.p());
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}
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// Face culling
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if (m_cullBackfaces != caf::FC_NONE)
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{
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cvf::ref<cvf::RenderStateCullFace> faceCulling = new cvf::RenderStateCullFace;
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if (m_cullBackfaces == caf::FC_BACK)
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{
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faceCulling->setMode(cvf::RenderStateCullFace::BACK);
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}
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else if (m_cullBackfaces == caf::FC_FRONT)
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{
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faceCulling->setMode(cvf::RenderStateCullFace::FRONT);
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}
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else if (m_cullBackfaces == caf::FC_FRONT_AND_BACK)
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{
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faceCulling->setMode(cvf::RenderStateCullFace::FRONT_AND_BACK);
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}
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effect->setRenderState(faceCulling.p());
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void CellEdgeEffectGenerator::updateForFixedFunctionRendering(cvf::Effect* effect) const
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{
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caf::SurfaceEffectGenerator surfaceGen(cvf::Color4f(cvf::Color3f::CRIMSON), caf::PO_1);
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surfaceGen.updateEffect(effect);
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}
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