void bindAndSetUniforms(Shader& shader, TextureUnitContainer& cont, const Image& image,
const std::string& id, ImageType type) {
switch (type) {
case COLOR_ONLY: {
TextureUnit unit;
bindColorTexture(image, unit);
utilgl::setShaderUniforms(shader, image, id + "Parameters");
shader.setUniform(id + "Color", unit.getUnitNumber());
cont.push_back(std::move(unit));
break;
}
case COLOR_DEPTH: {
TextureUnit unit1, unit2;
bindTextures(image, unit1, unit2);
utilgl::setShaderUniforms(shader, image, id + "Parameters");
shader.setUniform(id + "Color", unit1.getUnitNumber());
shader.setUniform(id + "Depth", unit2.getUnitNumber());
cont.push_back(std::move(unit1));
cont.push_back(std::move(unit2));
break;
}
case COLOR_PICKING: {
TextureUnit unit1, unit2;
bindColorTexture(image, unit1);
bindPickingTexture(image, unit2);
utilgl::setShaderUniforms(shader, image, id + "Parameters");
shader.setUniform(id + "Color", unit1.getUnitNumber());
shader.setUniform(id + "Picking", unit2.getUnitNumber());
cont.push_back(std::move(unit1));
cont.push_back(std::move(unit2));
break;
}
case COLOR_DEPTH_PICKING: {
TextureUnit unit1, unit2, unit3;
bindTextures(image, unit1, unit2, unit3);
utilgl::setShaderUniforms(shader, image, id + "Parameters");
shader.setUniform(id + "Color", unit1.getUnitNumber());
shader.setUniform(id + "Depth", unit2.getUnitNumber());
shader.setUniform(id + "Picking", unit3.getUnitNumber());
cont.push_back(std::move(unit1));
cont.push_back(std::move(unit2));
cont.push_back(std::move(unit3));
break;
}
}
}
void FrameBufferObject::saveToDisk(const unsigned int colorBufferNum, const std::string &path) const {
if(this->nbColorAttachement>0 && (int)colorBufferNum<this->nbColorAttachement)
{
float *data = new float[width * height * 3];
glEnable(GL_TEXTURE_2D);
bindColorTexture(colorBufferNum);
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_FLOAT, data);
glDisable(GL_TEXTURE_2D);
ref<Bitmap> bmp = new Bitmap(width, height, 128);
for(unsigned int i=0; i < width*height; i+=1) {
bmp->getFloatData()[i*4] = data[i*3];
bmp->getFloatData()[i*4+1] = data[i*3+1];
bmp->getFloatData()[i*4+2] = data[i*3+2];
bmp->getFloatData()[i*4+3] = 1.0f;
}
bmp->save(Bitmap::EEXR, new FileStream(path, FileStream::ETruncWrite) );
delete [] data;
}
}
