зеркало из https://github.com/mozilla/gecko-dev.git
36 строки
1.2 KiB
C++
36 строки
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/dom/BindingUtils.h"
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#include "mozilla/StaticPrefs_webgl.h"
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#include "WebGLContext.h"
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#include "WebGLQuery.h"
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namespace mozilla {
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WebGLExtensionDisjointTimerQuery::WebGLExtensionDisjointTimerQuery(
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WebGLContext* 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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}
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bool WebGLExtensionDisjointTimerQuery::IsSupported(
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const WebGLContext* const webgl) {
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if (!StaticPrefs::webgl_enable_privileged_extensions()) return false;
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gl::GLContext* gl = webgl->GL();
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return gl->IsSupported(gl::GLFeature::query_objects) &&
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gl->IsSupported(gl::GLFeature::get_query_object_i64v) &&
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gl->IsSupported(
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gl::GLFeature::query_counter); // provides GL_TIMESTAMP
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}
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} // namespace mozilla
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