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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 {
WebGLExtensionCompressedTextureBPTC::WebGLExtensionCompressedTextureBPTC(
WebGLContext* const webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
auto& fua = webgl->mFormatUsage;
const auto fnAdd = [&](const GLenum sizedFormat,
const webgl::EffectiveFormat effFormat) {
auto usage = fua->EditUsage(effFormat);
usage->isFilterable = true;
fua->AllowSizedTexFormat(sizedFormat, usage);
};
#define _(X) LOCAL_GL_##X, webgl::EffectiveFormat::X
fnAdd(_(COMPRESSED_RGBA_BPTC_UNORM));
fnAdd(_(COMPRESSED_SRGB_ALPHA_BPTC_UNORM));
fnAdd(_(COMPRESSED_RGB_BPTC_SIGNED_FLOAT));
fnAdd(_(COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT));
#undef _
}
bool WebGLExtensionCompressedTextureBPTC::IsSupported(
const WebGLContext* const webgl) {
return webgl->gl->IsSupported(gl::GLFeature::texture_compression_bptc);
}
} // namespace mozilla
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