45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
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#include <QOpenGLFunctions>
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#include <QFile>
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#include "model_opengl_program.h"
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static const QString &loadShaderSource(const QString &name)
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{
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static std::map<QString, QString> s_shaderSources;
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auto findShader = s_shaderSources.find(name);
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if (findShader != s_shaderSources.end()) {
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return findShader->second;
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}
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QFile file(name);
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file.open(QFile::ReadOnly | QFile::Text);
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QTextStream stream(&file);
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auto insertResult = s_shaderSources.insert({name, stream.readAll()});
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return insertResult.first->second;
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}
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void ModelOpenGLProgram::load(bool isCoreProfile)
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{
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if (m_isLoaded)
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return;
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m_isCoreProfile = isCoreProfile;
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if (m_isCoreProfile) {
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addShaderFromSourceCode(QOpenGLShader::Vertex, loadShaderSource(":/shaders/model_core.vert"));
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addShaderFromSourceCode(QOpenGLShader::Fragment, loadShaderSource(":/shaders/model_core.frag"));
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} else {
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addShaderFromSourceCode(QOpenGLShader::Vertex, loadShaderSource(":/shaders/model.vert"));
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addShaderFromSourceCode(QOpenGLShader::Fragment, loadShaderSource(":/shaders/model.frag"));
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}
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bindAttributeLocation("vertex", 0);
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bindAttributeLocation("normal", 1);
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bindAttributeLocation("color", 2);
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bindAttributeLocation("texCoord", 3);
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bindAttributeLocation("metalness", 4);
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bindAttributeLocation("roughness", 5);
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bindAttributeLocation("tangent", 6);
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bindAttributeLocation("alpha", 7);
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link();
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bind();
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m_isLoaded = true;
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}
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