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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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47
dom/canvas/WebGLExtensionCompressedTexturePVRTC.cpp Normal file
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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"
#ifdef FOO
#error FOO is already defined! We use FOO() macros to keep things succinct in this file.
#endif
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