/* 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"

#ifdef FOO
#error FOO is already defined! We use FOO() macros to keep things succinct in this file.
#endif

namespace mozilla {

WebGLExtensionCompressedTextureATC::WebGLExtensionCompressedTextureATC(
    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(ATC_RGB_AMD));
  fnAdd(FOO(ATC_RGBA_EXPLICIT_ALPHA_AMD));
  fnAdd(FOO(ATC_RGBA_INTERPOLATED_ALPHA_AMD));

#undef FOO
}

WebGLExtensionCompressedTextureATC::~WebGLExtensionCompressedTextureATC() {}

IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionCompressedTextureATC,
                          WEBGL_compressed_texture_atc)

}  // namespace mozilla