/**************************************************************************
 *
 * Copyright 2015 Intel Corporation
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * Authors:
 *   Mark Janes <mark.a.janes@intel.com>
 **************************************************************************/

#ifndef _GLFRAME_RETRACE_RENDER_HPP_
#define _GLFRAME_RETRACE_RENDER_HPP_

#include <string>
#include <vector>

#include "glframe_retrace.hpp"

namespace trace {
class Parser;
}

namespace retrace {
class Retracer;
}

namespace glretrace {

class StateTrack;
class OnFrameRetrace;
class ExperimentId;
class MetricId;
class PerfMetrics;
class StateOverride;

class RetraceRender {
 public:
  RetraceRender(trace::AbstractParser *parser,
                retrace::Retracer *retracer,
                StateTrack *tracker);
  ~RetraceRender();

  struct CallbackContext {
    CallbackContext(SelectionId s, ExperimentId e,
                    RenderId r, OnFrameRetrace *c)
        : selection(s), experiment(e), render(r), callback(c) {}
    SelectionId selection;
    ExperimentId experiment;
    RenderId render;
    OnFrameRetrace *callback;
  };

  void retraceRenderTarget(const StateTrack &tracker,
                           RenderTargetType type) const;
  void retrace(StateTrack *tracker) const;
  void retrace(const StateTrack &tracker,
               const CallbackContext *uniform_context = NULL,
               const CallbackContext *state_context = NULL) const;
  bool endsFrame() const { return m_end_of_frame; }
  bool replaceShaders(StateTrack *tracker,
                      const std::string &vs,
                      const std::string &fs,
                      const std::string &tessControl,
                      const std::string &tessEval,
                      const std::string &geom,
                      const std::string &comp,
                      std::string *message);
  void revertShaders();
  void disableDraw(bool disable);
  void simpleShader(bool simple);
  void onApi(SelectionId selId,
             RenderId renderId,
             OnFrameRetrace *callback);
  void setUniform(const std::string &name, int index,
                  const std::string &data);
  void setState(const StateKey &item,
                int offset,
                const std::string &value);

  static bool isRender(const trace::Call &c);
  static bool changesContext(const trace::Call &c);
  static bool endsFrame(const trace::Call &c);
  static int currentRenderBuffer();

 private:
  void overrideUniforms() const;
  void onState(SelectionId selId,
               ExperimentId experimentCount,
               RenderId renderId,
               OnFrameRetrace *callback) const;

  trace::AbstractParser *m_parser;
  retrace::Retracer *m_retracer;
  RenderBookmark m_bookmark;
  std::string m_original_vs, m_original_fs,
    m_original_tess_control, m_original_tess_eval,
    m_original_geom,
    m_original_comp,
    m_modified_fs, m_modified_vs,
    m_modified_tess_eval, m_modified_tess_control,
    m_modified_geom, m_modified_comp;
  int m_rt_program, m_retrace_program, m_original_program;
  bool m_end_of_frame, m_highlight_rt, m_changes_context;
  std::vector<std::string> m_api_calls;
  bool m_disabled, m_simple_shader;
  class UniformOverride;
  UniformOverride *m_uniform_override;
  StateOverride *m_state_override;
};

}  // namespace glretrace

#endif  // _GLFRAME_RETRACE_RENDER_HPP_