- initial version

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@14 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-09-24 17:21:29 +00:00
commit 470437eecb
1107 changed files with 428404 additions and 0 deletions
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+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD) \
+ METHOD (layout,        "layout",        "(IIII)V") \
+ METHOD (requestRender, "requestRender", "()V") \
+
+DECLARE_JNI_CLASS (OpenGLView, JUCE_ANDROID_ACTIVITY_CLASSPATH "$OpenGLView");
+#undef JNI_CLASS_MEMBERS
+
+extern jobject createOpenGLView (ComponentPeer*);
+
+//==============================================================================
+class OpenGLContext::NativeContext
+{
+public:
+    NativeContext (Component& comp,
+                   const OpenGLPixelFormat& pixelFormat,
+                   void* /*contextToShareWith*/,
+                   bool /*useMultisampling*/,
+                   OpenGLVersion)
+        : component (comp),
+          isInsideGLCallback (false)
+    {
+        {
+            const ScopedLock sl (contextListLock);
+            glView = GlobalRef (createOpenGLView (component.getPeer()));
+            contextList.add (this);
+        }
+
+        updateWindowPosition (component.getTopLevelComponent()
+                                ->getLocalArea (&component, component.getLocalBounds()));
+    }
+
+    ~NativeContext()
+    {
+        {
+            const ScopedLock sl (contextListLock);
+            contextList.removeFirstMatchingValue (this);
+        }
+
+        android.activity.callVoidMethod (JuceAppActivity.deleteView, glView.get());
+        glView.clear();
+    }
+
+    void initialiseOnRenderThread (OpenGLContext&) {}
+    void shutdownOnRenderThread() {}
+
+    bool makeActive() const noexcept            { return isInsideGLCallback; }
+    bool isActive() const noexcept              { return isInsideGLCallback; }
+    static void deactivateCurrentContext()      {}
+
+    void swapBuffers() const noexcept           {}
+    bool setSwapInterval (const int)            { return false; }
+    int getSwapInterval() const                 { return 0; }
+
+    bool createdOk() const noexcept             { return getRawContext() != nullptr; }
+    void* getRawContext() const noexcept        { return glView.get(); }
+    GLuint getFrameBufferID() const noexcept    { return 0; }
+
+    void updateWindowPosition (const Rectangle<int>& bounds)
+    {
+        if (lastBounds != bounds)
+        {
+            lastBounds = bounds;
+            glView.callVoidMethod (OpenGLView.layout,
+                                   bounds.getX(), bounds.getY(),
+                                   bounds.getRight(), bounds.getBottom());
+        }
+    }
+
+    void triggerRepaint()
+    {
+        glView.callVoidMethod (OpenGLView.requestRender);
+    }
+
+    //==============================================================================
+    void contextCreatedCallback();
+    void contextChangedSize() {}
+    void renderCallback();
+
+    //==============================================================================
+    static NativeContext* findContextFor (JNIEnv* env, jobject glView)
+    {
+        const ScopedLock sl (contextListLock);
+
+        for (int i = contextList.size(); --i >= 0;)
+        {
+            NativeContext* const c = contextList.getUnchecked(i);
+
+            if (env->IsSameObject (c->glView.get(), glView))
+                return c;
+        }
+
+        return nullptr;
+    }
+
+    static NativeContext* getActiveContext() noexcept
+    {
+        const ScopedLock sl (contextListLock);
+
+        for (int i = contextList.size(); --i >= 0;)
+        {
+            NativeContext* const c = contextList.getUnchecked(i);
+
+            if (c->isInsideGLCallback)
+                return c;
+        }
+
+        return nullptr;
+    }
+
+    struct Locker { Locker (NativeContext&) {} };
+
+    Component& component;
+
+private:
+    GlobalRef glView;
+    Rectangle<int> lastBounds;
+    bool isInsideGLCallback;
+
+    typedef Array<NativeContext*> ContextArray;
+    static CriticalSection contextListLock;
+    static ContextArray contextList;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NativeContext)
+};
+
+CriticalSection OpenGLContext::NativeContext::contextListLock;
+OpenGLContext::NativeContext::ContextArray OpenGLContext::NativeContext::contextList;
+
+//==============================================================================
+bool OpenGLHelpers::isContextActive()
+{
+    return OpenGLContext::NativeContext::getActiveContext() != nullptr;
+}
+
+//==============================================================================
+#define GL_VIEW_CLASS_NAME    JUCE_JOIN_MACRO (JUCE_ANDROID_ACTIVITY_CLASSNAME, _00024OpenGLView)
+
+JUCE_JNI_CALLBACK (GL_VIEW_CLASS_NAME, contextCreated, void, (JNIEnv* env, jobject view))
+{
+    threadLocalJNIEnvHolder.getOrAttach();
+
+    if (OpenGLContext::NativeContext* const context = OpenGLContext::NativeContext::findContextFor (env, view))
+        context->contextCreatedCallback();
+    else
+        jassertfalse;
+}
+
+JUCE_JNI_CALLBACK (GL_VIEW_CLASS_NAME, contextChangedSize, void, (JNIEnv* env, jobject view))
+{
+    if (OpenGLContext::NativeContext* const context = OpenGLContext::NativeContext::findContextFor (env, view))
+        context->contextChangedSize();
+}
+
+JUCE_JNI_CALLBACK (GL_VIEW_CLASS_NAME, render, void, (JNIEnv* env, jobject view))
+{
+    if (OpenGLContext::NativeContext* const context = OpenGLContext::NativeContext::findContextFor (env, view))
+        context->renderCallback();
+}