61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
#include "monochrome_opengl_program.h"
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#include <QFile>
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#include <QOpenGLFunctions>
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#include <dust3d/base/debug.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 MonochromeOpenGLProgram::addShaderFromResource(QOpenGLShader::ShaderType type, const char* resourceName)
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{
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if (!addShaderFromSourceCode(type, loadShaderSource(resourceName)))
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dust3dDebug << "Failed to addShaderFromResource, resource:" << resourceName << ", " << log().toStdString();
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}
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bool MonochromeOpenGLProgram::isCoreProfile() const
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{
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return m_isCoreProfile;
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}
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void MonochromeOpenGLProgram::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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addShaderFromResource(QOpenGLShader::Vertex, ":/shaders/monochrome_core.vert");
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addShaderFromResource(QOpenGLShader::Fragment, ":/shaders/monochrome_core.frag");
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} else {
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addShaderFromResource(QOpenGLShader::Vertex, ":/shaders/monochrome.vert");
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addShaderFromResource(QOpenGLShader::Fragment, ":/shaders/monochrome.frag");
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}
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bindAttributeLocation("vertex", 0);
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bindAttributeLocation("color", 1);
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bindAttributeLocation("alpha", 2);
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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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int MonochromeOpenGLProgram::getUniformLocationByName(const std::string& name)
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{
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auto findLocation = m_uniformLocationMap.find(name);
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if (findLocation != m_uniformLocationMap.end())
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return findLocation->second;
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int location = uniformLocation(name.c_str());
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m_uniformLocationMap.insert({ name, location });
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return location;
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}
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