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/* 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 "WebGLExtensions.h"

#include "GLContext.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
#include "WebGLContext.h"
#include "WebGLFormats.h"

namespace mozilla {

WebGLExtensionCompressedTexturePVRTC::WebGLExtensionCompressedTexturePVRTC(
    WebGLContext* webgl)
    : WebGLExtensionBase(webgl) {
  RefPtr<WebGLContext> webgl_ = webgl;  // Bug 1201275
  const auto fnAdd = [&webgl_](GLenum sizedFormat,
                               webgl::EffectiveFormat effFormat) {
    auto& fua = webgl_->mFormatUsage;

    auto usage = fua->EditUsage(effFormat);
    usage->isFilterable = true;
    fua->AllowSizedTexFormat(sizedFormat, usage);

    webgl_->mCompressedTextureFormats.AppendElement(sizedFormat);
  };

#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x

  fnAdd(FOO(COMPRESSED_RGB_PVRTC_4BPPV1));
  fnAdd(FOO(COMPRESSED_RGB_PVRTC_2BPPV1));
  fnAdd(FOO(COMPRESSED_RGBA_PVRTC_4BPPV1));
  fnAdd(FOO(COMPRESSED_RGBA_PVRTC_2BPPV1));

#undef FOO
}

WebGLExtensionCompressedTexturePVRTC::~WebGLExtensionCompressedTexturePVRTC() {}

IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionCompressedTexturePVRTC,
                          WEBGL_compressed_texture_pvrtc)

}  // namespace mozilla