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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "gfxPrefs.h"
#include "GLContext.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
#include "mozilla/dom/BindingUtils.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.");
}
WebGLExtensionDisjointTimerQuery::~WebGLExtensionDisjointTimerQuery()
{
}
already_AddRefed<WebGLQuery>
WebGLExtensionDisjointTimerQuery::CreateQueryEXT() const
{
const char funcName[] = "createQueryEXT";
if (mIsLost)
return nullptr;
return mContext->CreateQuery(funcName);
}
void
WebGLExtensionDisjointTimerQuery::DeleteQueryEXT(WebGLQuery* query) const
{
const char funcName[] = "deleteQueryEXT";
if (mIsLost || !mContext) {
return;
}
mContext->DeleteQuery(query, funcName);
}
bool
WebGLExtensionDisjointTimerQuery::IsQueryEXT(const WebGLQuery* query) const
{
const char funcName[] = "isQueryEXT";
if (mIsLost || !mContext) {
return false;
}
return mContext->IsQuery(query, funcName);
}
void
WebGLExtensionDisjointTimerQuery::BeginQueryEXT(GLenum target, WebGLQuery& query) const
{
const char funcName[] = "beginQueryEXT";
if (mIsLost || !mContext) {
return;
}
mContext->BeginQuery(target, query, funcName);
}
void
WebGLExtensionDisjointTimerQuery::EndQueryEXT(GLenum target) const
{
const char funcName[] = "endQueryEXT";
if (mIsLost || !mContext) {
return;
}
mContext->EndQuery(target, funcName);
}
void
WebGLExtensionDisjointTimerQuery::QueryCounterEXT(WebGLQuery& query, GLenum target) const
{
const char funcName[] = "queryCounterEXT";
if (mIsLost || !mContext) {
return;
}
if (!mContext->ValidateObject(funcName, query))
return;
query.QueryCounter(funcName, target);
}
void
WebGLExtensionDisjointTimerQuery::GetQueryEXT(JSContext* cx, GLenum target, GLenum pname,
JS::MutableHandleValue retval) const
{
const char funcName[] = "getQueryEXT";
retval.setNull();
if (mIsLost || !mContext) {
return;
}
mContext->GetQuery(cx, target, pname, retval, funcName);
}
void
WebGLExtensionDisjointTimerQuery::GetQueryObjectEXT(JSContext* cx,
const WebGLQuery& query, GLenum pname,
JS::MutableHandleValue retval) const
{
const char funcName[] = "getQueryObjectEXT";
retval.setNull();
if (mIsLost || !mContext) {
return;
}
mContext->GetQueryParameter(cx, query, pname, retval, funcName);
}
bool
WebGLExtensionDisjointTimerQuery::IsSupported(const WebGLContext* webgl)
{
webgl->MakeContextCurrent();
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
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionDisjointTimerQuery, EXT_disjoint_timer_query)
} // namespace mozilla
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