//
// Copyright 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// FramebufferD3D.h: Defines the DefaultAttachmentD3D and FramebufferD3D classes.

#ifndef LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
#define LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_

#include "libANGLE/renderer/FramebufferImpl.h"

#include <vector>

namespace gl
{
class FramebufferAttachment;
}

namespace rx
{
class RenderTarget;
class RendererD3D;

class DefaultAttachmentD3D : public DefaultAttachmentImpl
{
  public:
    DefaultAttachmentD3D(RenderTarget *renderTarget);
    virtual ~DefaultAttachmentD3D();

    static DefaultAttachmentD3D *makeDefaultAttachmentD3D(DefaultAttachmentImpl* impl);

    virtual GLsizei getWidth() const override;
    virtual GLsizei getHeight() const override;
    virtual GLenum getInternalFormat() const override;
    virtual GLenum getActualFormat() const override;
    virtual GLsizei getSamples() const override;

    RenderTarget *getRenderTarget() const;

  private:
    RenderTarget *mRenderTarget;
};

class FramebufferD3D : public FramebufferImpl
{
  public:
    FramebufferD3D(RendererD3D *renderer);
    virtual ~FramebufferD3D();

    void setColorAttachment(size_t index, const gl::FramebufferAttachment *attachment) override;
    void setDepthttachment(const gl::FramebufferAttachment *attachment) override;
    void setStencilAttachment(const gl::FramebufferAttachment *attachment) override;
    void setDepthStencilAttachment(const gl::FramebufferAttachment *attachment) override;

    void setDrawBuffers(size_t count, const GLenum *buffers) override;
    void setReadBuffer(GLenum buffer) override;

    gl::Error invalidate(size_t count, const GLenum *attachments) override;
    gl::Error invalidateSub(size_t count, const GLenum *attachments, const gl::Rectangle &area) override;

    GLenum checkStatus() const override;

  protected:
    std::vector<const gl::FramebufferAttachment*> mColorBuffers;

  private:
    RendererD3D *const mRenderer;
};

gl::Error GetAttachmentRenderTarget(const gl::FramebufferAttachment *attachment, RenderTarget **outRT);
unsigned int GetAttachmentSerial(const gl::FramebufferAttachment *attachment);

}

#endif // LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
