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23b34066f6
MozReview-Commit-ID: G51cg7pqvBb Differential Revision: https://phabricator.services.mozilla.com/D6863 --HG-- extra : moz-landing-system : lando
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* 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
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* file, 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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namespace mozilla {
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WebGLExtensionShaderTextureLod::WebGLExtensionShaderTextureLod(WebGLContext* webgl)
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: WebGLExtensionBase(webgl)
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{
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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}
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WebGLExtensionShaderTextureLod::~WebGLExtensionShaderTextureLod()
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{
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}
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bool
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WebGLExtensionShaderTextureLod::IsSupported(const WebGLContext* webgl)
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{
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gl::GLContext* gl = webgl->GL();
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if (gl->IsGLES() && gl->Version() >= 300) {
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// ANGLE's shader translator doesn't yet translate
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// WebGL1+EXT_shader_texture_lod to ES3. (Bug 1491221)
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return false;
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}
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return gl->IsSupported(gl::GLFeature::shader_texture_lod);
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}
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IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionShaderTextureLod, EXT_shader_texture_lod)
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} // namespace mozilla
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