1 files changed, 118 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/android/TexturesGenerator.cpp b/WebCore/platform/graphics/android/TexturesGenerator.cpp
new file mode 100644
index 0000000..ca05d10
--- /dev/null
+++ b/WebCore/platform/graphics/android/TexturesGenerator.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
+ * 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"
+#include "TexturesGenerator.h"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "GLUtils.h"
+#include "TilesManager.h"
+
+#ifdef DEBUG
+
+#include <cutils/log.h>
+#include <wtf/CurrentTime.h>
+#include <wtf/text/CString.h>
+
+#undef XLOG
+#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "TexturesGenerator", __VA_ARGS__)
+
+#else
+
+#undef XLOG
+#define XLOG(...)
+
+#endif // DEBUG
+
+namespace WebCore {
+
+void TexturesGenerator::schedulePaintForTilesSet(TilesSet* set)
+{
+    android::Mutex::Autolock lock(mRequestedPixmapsLock);
+    for (unsigned int i = 0; i < mRequestedPixmaps.size(); i++) {
+        TilesSet* s = mRequestedPixmaps[i];
+        if (s && *s == *set) {
+            // Similar set already in the queue
+            delete set;
+            return;
+        }
+    }
+
+    XLOG("%x schedulePaintForTilesSet (%x) %d, %d, %d, %d", this, set,
+        set->firstTileX(), set->firstTileY(), set->nbRows(), set->nbCols());
+    mRequestedPixmaps.append(set);
+    m_newRequestLock.lock();
+    m_newRequestCond.signal();
+    m_newRequestLock.unlock();
+}
+
+status_t TexturesGenerator::readyToRun()
+{
+    TilesManager::instance()->enableTextures();
+    XLOG("Textures enabled (context acquired...)");
+    TilesManager::instance()->paintTexturesDefault();
+    XLOG("Textures painted");
+    TilesManager::instance()->markGeneratorAsReady();
+    XLOG("Thread ready to run");
+    return NO_ERROR;
+}
+
+bool TexturesGenerator::threadLoop()
+{
+    XLOG("threadLoop, waiting for signal");
+    m_newRequestLock.lock();
+    m_newRequestCond.wait(m_newRequestLock);
+    m_newRequestLock.unlock();
+    XLOG("threadLoop, got signal");
+
+    bool stop = false;
+    while (!stop) {
+        mRequestedPixmapsLock.lock();
+        TilesSet* set = 0;
+        if (mRequestedPixmaps.size())
+            set = mRequestedPixmaps.first();
+        mRequestedPixmapsLock.unlock();
+
+        if (set) {
+            set->paint();
+            mRequestedPixmapsLock.lock();
+            mRequestedPixmaps.remove(0);
+            mRequestedPixmapsLock.unlock();
+            delete set;
+        }
+
+        mRequestedPixmapsLock.lock();
+        if (!mRequestedPixmaps.size())
+            stop = true;
+        mRequestedPixmapsLock.unlock();
+    }
+
+    return true;
+}
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)