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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/canvas/WebGLQuery.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/WebGLQuery.h')
-rw-r--r--dom/canvas/WebGLQuery.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/dom/canvas/WebGLQuery.h b/dom/canvas/WebGLQuery.h
new file mode 100644
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+++ b/dom/canvas/WebGLQuery.h
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+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+#ifndef WEBGL_QUERY_H_
+#define WEBGL_QUERY_H_
+
+#include "WebGLObjectModel.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+namespace webgl {
+class AvailabilityRunnable;
+} // namespace webgl
+
+class WebGLQuery final : public WebGLContextBoundObject {
+ friend class webgl::AvailabilityRunnable;
+
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLQuery, override)
+
+ public:
+ const GLuint mGLName;
+
+ private:
+ GLenum mTarget;
+ RefPtr<WebGLQuery>* mActiveSlot;
+
+ bool mCanBeAvailable = false; // Track whether the event loop has spun
+
+ ////
+ public:
+ GLenum Target() const { return mTarget; }
+ bool IsActive() const { return bool(mActiveSlot); }
+
+ ////
+
+ explicit WebGLQuery(WebGLContext* webgl);
+
+ private:
+ ~WebGLQuery() override;
+
+ public:
+ ////
+
+ void BeginQuery(GLenum target, RefPtr<WebGLQuery>& slot);
+ void EndQuery();
+ Maybe<double> GetQueryParameter(GLenum pname) const;
+ void QueryCounter();
+};
+
+} // namespace mozilla
+
+#endif // WEBGL_QUERY_H_