// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef SRC_DAWN_NATIVE_OPENGL_PERSISTENTPIPELINESTATEGL_H_
#define SRC_DAWN_NATIVE_OPENGL_PERSISTENTPIPELINESTATEGL_H_

#include "dawn/native/dawn_platform.h"
#include "dawn/native/opengl/opengl_platform.h"

namespace dawn::native::opengl {

struct OpenGLFunctions;

class PersistentPipelineState {
  public:
    void SetDefaultState(const OpenGLFunctions& gl);
    void SetStencilFuncsAndMask(const OpenGLFunctions& gl,
                                GLenum stencilBackCompareFunction,
                                GLenum stencilFrontCompareFunction,
                                uint32_t stencilReadMask);
    void SetStencilReference(const OpenGLFunctions& gl, uint32_t stencilReference);

  private:
    void CallGLStencilFunc(const OpenGLFunctions& gl);

    GLenum mStencilBackCompareFunction = GL_ALWAYS;
    GLenum mStencilFrontCompareFunction = GL_ALWAYS;
    GLuint mStencilReadMask = 0xffffffff;
    GLuint mStencilReference = 0;
};

}  // namespace dawn::native::opengl

#endif  // SRC_DAWN_NATIVE_OPENGL_PERSISTENTPIPELINESTATEGL_H_