IShader.h

/*
 *  Copyright (C) 2017-2020 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "ShaderTypes.h"
#include "utils/Geometry.h"

#include <map>
#include <stdint.h>
#include <string>

namespace KODI
{
namespace SHADER
{
class IShaderSampler;
class IShaderTexture;

class IShader
{
public:
  virtual bool Create(const std::string& shaderSource,
                      const std::string& shaderPath,
                      ShaderParameterMap shaderParameters,
                      IShaderSampler* sampler,
                      ShaderLutVec luts,
                      float2 viewPortSize,
                      unsigned frameCountMod = 0) = 0;

  virtual void Render(IShaderTexture* source, IShaderTexture* target) = 0;

  virtual void SetSizes(const float2& prevSize, const float2& nextSize) = 0;

  virtual bool CreateVertexBuffer(unsigned vertCount, unsigned vertSize) = 0;

  virtual bool CreateInputBuffer() = 0;

  virtual void PrepareParameters(CPoint dest[4], bool isLastPass, uint64_t frameCount) = 0;

  virtual void UpdateMVP() = 0;

  virtual ~IShader() = default;
};
} // namespace SHADER
} // namespace KODI