dom/canvas/WebGLExtensionCompressedTextureS3TC.cpp
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 24 Feb 2017 17:04:50 +0100
changeset 489671 05d9746016f47666c00390aacc9f9d62c8ffffb4
parent 489668 cbb8fdf1daf98a15f7d57f6b08d273bdf96aa1a0
permissions -rw-r--r--
Move to 99 chars instead of 80 MozReview-Commit-ID: 6NxbMuFVI7e

/* 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 {

WebGLExtensionCompressedTextureS3TC::WebGLExtensionCompressedTextureS3TC(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_S3TC_DXT1_EXT));
  fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT1_EXT));
  fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT3_EXT));
  fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT5_EXT));

#undef FOO
}

WebGLExtensionCompressedTextureS3TC::~WebGLExtensionCompressedTextureS3TC()
{
}

IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionCompressedTextureS3TC, WEBGL_compressed_texture_s3tc)

} // namespace mozilla