зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.5 KiB
C++
49 строки
1.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGLExtensions.h"
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#include "GLContext.h"
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#include "mozilla/dom/WebGLRenderingContextBinding.h"
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#include "WebGLContext.h"
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#include "WebGLFormats.h"
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namespace mozilla {
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WebGLExtensionCompressedTextureRGTC::WebGLExtensionCompressedTextureRGTC(
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WebGLContext* const webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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auto& fua = webgl->mFormatUsage;
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const auto fnAdd = [&](const GLenum sizedFormat,
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const webgl::EffectiveFormat effFormat) {
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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webgl->mCompressedTextureFormats.AppendElement(sizedFormat);
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};
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#define _(X) LOCAL_GL_##X, webgl::EffectiveFormat::X
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fnAdd(_(COMPRESSED_RED_RGTC1));
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fnAdd(_(COMPRESSED_SIGNED_RED_RGTC1));
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fnAdd(_(COMPRESSED_RG_RGTC2));
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fnAdd(_(COMPRESSED_SIGNED_RG_RGTC2));
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#undef _
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}
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bool WebGLExtensionCompressedTextureRGTC::IsSupported(
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const WebGLContext* const webgl) {
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return webgl->gl->IsSupported(gl::GLFeature::texture_compression_rgtc);
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}
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IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionCompressedTextureRGTC,
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EXT_texture_compression_rgtc)
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} // namespace mozilla
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