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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "mozilla/dom/BindingUtils.h"
#include "mozilla/StaticPrefs_webgl.h"
#include "WebGLContext.h"
#include "WebGLQuery.h"
namespace mozilla {
WebGLExtensionDisjointTimerQuery::WebGLExtensionDisjointTimerQuery(
WebGLContext* webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
bool WebGLExtensionDisjointTimerQuery::IsSupported(
const WebGLContext* const webgl) {
if (!StaticPrefs::webgl_enable_privileged_extensions()) return false;
gl::GLContext* gl = webgl->GL();
return gl->IsSupported(gl::GLFeature::query_objects) &&
gl->IsSupported(gl::GLFeature::get_query_object_i64v) &&
gl->IsSupported(
gl::GLFeature::query_counter); // provides GL_TIMESTAMP
}
} // namespace mozilla
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