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/*
* Copyright 2023 The Chromium Authors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(WEBGL)
#include "EXTDisjointTimerQueryWebGL2.h"
#include "EventLoop.h"
#include "ScriptExecutionContext.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(EXTDisjointTimerQueryWebGL2);
EXTDisjointTimerQueryWebGL2::EXTDisjointTimerQueryWebGL2(WebGLRenderingContextBase& context)
: WebGLExtension(context)
{
context.graphicsContextGL()->ensureExtensionEnabled("GL_EXT_disjoint_timer_query"_s);
}
EXTDisjointTimerQueryWebGL2::~EXTDisjointTimerQueryWebGL2() = default;
WebGLExtension::ExtensionName EXTDisjointTimerQueryWebGL2::getName() const
{
return EXTDisjointTimerQueryWebGL2Name;
}
bool EXTDisjointTimerQueryWebGL2::supported(GraphicsContextGL& context)
{
return context.supportsExtension("GL_EXT_disjoint_timer_query"_s);
}
void EXTDisjointTimerQueryWebGL2::queryCounterEXT(WebGLQuery& query, GCGLenum target)
{
auto context = WebGLExtensionScopedContext(this);
if (context.isLost() || !context->scriptExecutionContext())
return;
if (!context->validateWebGLObject("queryCounterEXT", &query))
return;
if (target != GraphicsContextGL::TIMESTAMP_EXT) {
context->synthesizeGLError(GraphicsContextGL::INVALID_ENUM, "queryCounterEXT", "invalid target");
return;
}
if (query.target() && query.target() != target) {
context->synthesizeGLError(GraphicsContextGL::INVALID_OPERATION, "queryCounterEXT", "query type does not match target");
return;
}
query.setTarget(target);
context->graphicsContextGL()->queryCounterEXT(query.object(), target);
// A query's result must not be made available until control has returned to the user agent's main loop.
context->scriptExecutionContext()->eventLoop().queueMicrotask([&] {
query.makeResultAvailable();
});
}
} // namespace WebCore
#endif // ENABLE(WEBGL)
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