First Commit

2025-10-22 09:20:23 +02:00
commit a36f2ca925
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+/*
+  ==============================================================================
+
+   This file is part of the JUCE framework.
+   Copyright (c) Raw Material Software Limited
+
+   JUCE is an open source framework subject to commercial or open source
+   licensing.
+
+   By downloading, installing, or using the JUCE framework, or combining the
+   JUCE framework with any other source code, object code, content or any other
+   copyrightable work, you agree to the terms of the JUCE End User Licence
+   Agreement, and all incorporated terms including the JUCE Privacy Policy and
+   the JUCE Website Terms of Service, as applicable, which will bind you. If you
+   do not agree to the terms of these agreements, we will not license the JUCE
+   framework to you, and you must discontinue the installation or download
+   process and cease use of the JUCE framework.
+
+   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
+   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
+   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
+
+   Or:
+
+   You may also use this code under the terms of the AGPLv3:
+   https://www.gnu.org/licenses/agpl-3.0.en.html
+
+   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
+   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+OpenGLAppComponent::OpenGLAppComponent()
+{
+    setOpaque (true);
+    openGLContext.setRenderer (this);
+    openGLContext.attachTo (*this);
+    openGLContext.setContinuousRepainting (true);
+}
+
+OpenGLAppComponent::~OpenGLAppComponent()
+{
+    // Before your subclass's destructor has completed, you must call
+    // shutdownOpenGL() to release the GL context. (Otherwise there's
+    // a danger that it may invoke a GL callback on your class while
+    // it's in the process of being deleted.
+    jassert (! openGLContext.isAttached());
+
+    shutdownOpenGL();
+}
+
+void OpenGLAppComponent::shutdownOpenGL()
+{
+    openGLContext.detach();
+}
+
+void OpenGLAppComponent::newOpenGLContextCreated()
+{
+    initialise();
+}
+
+void OpenGLAppComponent::renderOpenGL()
+{
+    ++frameCounter;
+    render();
+}
+
+void OpenGLAppComponent::openGLContextClosing()
+{
+    shutdown();
+}
+
+} // namespace juce
@@ -0,0 +1,106 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE framework.
+   Copyright (c) Raw Material Software Limited
+
+   JUCE is an open source framework subject to commercial or open source
+   licensing.
+
+   By downloading, installing, or using the JUCE framework, or combining the
+   JUCE framework with any other source code, object code, content or any other
+   copyrightable work, you agree to the terms of the JUCE End User Licence
+   Agreement, and all incorporated terms including the JUCE Privacy Policy and
+   the JUCE Website Terms of Service, as applicable, which will bind you. If you
+   do not agree to the terms of these agreements, we will not license the JUCE
+   framework to you, and you must discontinue the installation or download
+   process and cease use of the JUCE framework.
+
+   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
+   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
+   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
+
+   Or:
+
+   You may also use this code under the terms of the AGPLv3:
+   https://www.gnu.org/licenses/agpl-3.0.en.html
+
+   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
+   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+/**
+    A base class for writing simple one-page graphical apps.
+
+    A subclass can inherit from this and implement just a few methods such as
+    paint() and mouse-handling. The base class provides some simple abstractions
+    to take care of continuously repainting itself.
+
+    @tags{OpenGL}
+*/
+class JUCE_API  OpenGLAppComponent   : public Component,
+                                       private OpenGLRenderer
+{
+public:
+    OpenGLAppComponent();
+
+    /** Destructor. */
+    ~OpenGLAppComponent() override;
+
+    /** Returns the number of times that the render method has been called since
+        the component started running.
+    */
+    int getFrameCounter() const noexcept        { return frameCounter; }
+
+    /** This must be called from your subclass's destructor, to shut down
+        the GL system and stop it calling render() before your class is destroyed.
+    */
+    void shutdownOpenGL();
+
+    /** Implement this method to set up any GL objects that you need for rendering.
+        The GL context will be active when this method is called.
+
+        Note that because the GL context could be destroyed and re-created ad-hoc by
+        the underlying platform, the shutdown() and initialise() calls could be called
+        multiple times while your app is running. So don't make your code assume that
+        this will only be called once!
+    */
+    virtual void initialise() = 0;
+
+    /** Implement this method to free any GL objects that you created during rendering.
+        The GL context will still be active when this method is called.
+
+        Note that because the GL context could be destroyed and re-created ad-hoc by
+        the underlying platform, the shutdown() and initialise() calls could be called
+        multiple times while your app is running. So don't make your code assume that
+        this will only be called once!
+    */
+    virtual void shutdown() = 0;
+
+    /** Called to render your openGL.
+        @see OpenGLRenderer::render()
+    */
+    virtual void render() = 0;
+
+    /** The GL context */
+    OpenGLContext openGLContext;
+
+private:
+    //==============================================================================
+    int frameCounter = 0;
+
+    void newOpenGLContextCreated() override;
+    void renderOpenGL() override;
+    void openGLContextClosing() override;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OpenGLAppComponent)
+};
+
+} // namespace juce