// Copyright (c) 2023 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#pragma once
#include "UIShader.hpp"
#include "util/macro.hpp"

#define FONT_SHADER_PARTS_MAX 8
#define FONT_SHADER_QUADS_MAX 1024
#define FONT_SHADER_TEXTURE_MAX 4

namespace Dawn {
  SHADER_PARAMETER_BUFFER_DEFINE(FontShaderBuffer, \
    SHADER_PARAMETER_BUFFER_COLOR_ARRAY(colors, FONT_SHADER_PARTS_MAX);
    SHADER_PARAMETER_BUFFER_INTEGER_ARRAY(textures, FONT_SHADER_PARTS_MAX);
    SHADER_PARAMETER_BUFFER_INTEGER_ARRAY(quadMappings, FONT_SHADER_QUADS_MAX);
  );

  class FontShader : public Shader {
    public:
      shaderparameter_t paramModel;
      shaderparameter_t paramTexture0;
      shaderparameter_t paramTexture1;
      shaderparameter_t paramTexture2;
      shaderparameter_t paramTexture3;
      shaderbufferlocation_t bufferUiCanvas;
      shaderbufferlocation_t bufferFont;

      void compile() override;
  };
}