/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "RenderTextureHost.h"

#include "RenderThread.h"

namespace mozilla {

namespace wr {

void

ActivateBindAndTexParameteri(gl::GLContext* aGL,

                             GLenum aActiveTexture,

                             GLenum aBindTarget,

                             GLuint aBindTexture,

                             wr::ImageRendering aRendering)

{

  aGL->fActiveTexture(aActiveTexture);

  aGL->fBindTexture(aBindTarget, aBindTexture);

  aGL->fTexParameteri(aBindTarget,

                      LOCAL_GL_TEXTURE_MIN_FILTER,

                      aRendering == wr::ImageRendering::Pixelated

                        ? LOCAL_GL_NEAREST

                        : LOCAL_GL_LINEAR);

  aGL->fTexParameteri(aBindTarget,

                      LOCAL_GL_TEXTURE_MAG_FILTER,

                      aRendering == wr::ImageRendering::Pixelated

                        ? LOCAL_GL_NEAREST

                        : LOCAL_GL_LINEAR);

}

RenderTextureHost::RenderTextureHost()

{

  MOZ_COUNT_CTOR(RenderTextureHost);

}

RenderTextureHost::~RenderTextureHost()

{

  MOZ_ASSERT(RenderThread::IsInRenderThread());

  MOZ_COUNT_DTOR(RenderTextureHost);

}

bool

RenderTextureHost::IsFilterUpdateNecessary(wr::ImageRendering aRendering)

{

  return mCachedRendering != aRendering;

}

} // namespace wr

} // namespace mozilla