Method emitCode

src/gpu/glsl/processors/GLSLAlphaThresholdFragmentProcessor.cpp:27–39

}

void GLSLAlphaThresholdFragmentProcessor::emitCode(EmitArgs& args) const {
  auto uniformHandler = args.uniformHandler;
  auto thresholdUniformName =
      uniformHandler->addUniform("Threshold", UniformFormat::Float, ShaderStage::Fragment);

  auto fragBuilder = args.fragBuilder;
  fragBuilder->codeAppendf("%s.rgb = %s.rgb / %s.a;", args.outputColor.c_str(),
                           args.inputColor.c_str(), args.inputColor.c_str());
  fragBuilder->codeAppendf("%s.a = step(%s, %s.a);", args.outputColor.c_str(),
                           thresholdUniformName.c_str(), args.inputColor.c_str());
  fragBuilder->codeAppendf("%s = clamp(%s, 0.0, 1.0);", args.outputColor.c_str(),
                           args.outputColor.c_str());
}

void GLSLAlphaThresholdFragmentProcessor::onSetData(UniformBuffer* /*vertexUniformBuffer*/,
                                                    UniformBuffer* fragmentUniformBuffer) const {