1 files changed, 103 insertions, 0 deletions
diff --git a/libs/hwui/Caches.cpp b/libs/hwui/Caches.cpp
new file mode 100644
index 000000000000..254144448859
--- /dev/null
+++ b/libs/hwui/Caches.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Caches.h"
+
+#include "GlLayer.h"
+#include "Properties.h"
+#include "renderstate/RenderState.h"
+#include "utils/GLUtils.h"
+
+#include <cutils/properties.h>
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+namespace android {
+namespace uirenderer {
+
+Caches* Caches::sInstance = nullptr;
+
+///////////////////////////////////////////////////////////////////////////////
+// Macros
+///////////////////////////////////////////////////////////////////////////////
+
+#if DEBUG_CACHE_FLUSH
+#define FLUSH_LOGD(...) ALOGD(__VA_ARGS__)
+#else
+#define FLUSH_LOGD(...)
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+// Constructors/destructor
+///////////////////////////////////////////////////////////////////////////////
+
+Caches::Caches(RenderState& renderState) : mInitialized(false) {
+    INIT_LOGD("Creating OpenGL renderer caches");
+    init();
+    initStaticProperties();
+}
+
+bool Caches::init() {
+    if (mInitialized) return false;
+
+    ATRACE_NAME("Caches::init");
+
+    mRegionMesh = nullptr;
+
+    mInitialized = true;
+
+    mPixelBufferState = new PixelBufferState();
+    mTextureState = new TextureState();
+    mTextureState->constructTexture(*this);
+
+    return true;
+}
+
+void Caches::initStaticProperties() {
+    // OpenGL ES 3.0+ specific features
+    gpuPixelBuffersEnabled = extensions().hasPixelBufferObjects() &&
+                             property_get_bool(PROPERTY_ENABLE_GPU_PIXEL_BUFFERS, true);
+}
+
+void Caches::terminate() {
+    if (!mInitialized) return;
+    mRegionMesh.reset(nullptr);
+
+    clearGarbage();
+
+    delete mPixelBufferState;
+    mPixelBufferState = nullptr;
+    delete mTextureState;
+    mTextureState = nullptr;
+    mInitialized = false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Memory management
+///////////////////////////////////////////////////////////////////////////////
+
+void Caches::clearGarbage() {}
+
+void Caches::flush(FlushMode mode) {
+    clearGarbage();
+    glFinish();
+    // Errors during cleanup should be considered non-fatal, dump them and
+    // and move on. TODO: All errors or just errors like bad surface?
+    GLUtils::dumpGLErrors();
+}
+
+};  // namespace uirenderer
+};  // namespace android