ExporterPlugin.cpp

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#include "ExporterPlugin.h"
#include <string>
#include "SoftwareImage.h"
 
void ExporterPlugin::exportGLTexture(GLuint id, std::wstring filename) const
{
    LOG_INFO << "Exporting GL texture with id " << id << " in " << filename.c_str();
    glEnable(GL_TEXTURE_2D);
    glBindTexture(GL_TEXTURE_2D, id);
 
    GLint width, height;
    glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
    glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &height);
 
    unsigned char* pixels = new unsigned char[width * height * 4];
 
    glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_BYTE, pixels);
 
    const SoftwareImage texture(pixels, width, height);
    texture.savePNG(filename);
 
    delete[] pixels;
 
    glBindTexture(GL_TEXTURE_2D, 0);
    glDisable(GL_TEXTURE_2D);
}