1 files changed, 76 insertions, 0 deletions
diff --git a/services/surfaceflinger/SurfaceTextureLayer.cpp b/services/surfaceflinger/SurfaceTextureLayer.cpp
new file mode 100644
index 0000000000..60fa965910
--- /dev/null
+++ b/services/surfaceflinger/SurfaceTextureLayer.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2011 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 <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+
+#include "Layer.h"
+#include "SurfaceTextureLayer.h"
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+
+SurfaceTextureLayer::SurfaceTextureLayer(GLuint tex, const sp<Layer>& layer)
+    : SurfaceTexture(tex), mLayer(layer) {
+}
+
+SurfaceTextureLayer::~SurfaceTextureLayer() {
+}
+
+
+status_t SurfaceTextureLayer::setDefaultBufferSize(uint32_t w, uint32_t h)
+{
+    //LOGD("%s, w=%u, h=%u", __PRETTY_FUNCTION__, w, h);
+    return SurfaceTexture::setDefaultBufferSize(w, h);
+}
+
+status_t SurfaceTextureLayer::setDefaultBufferFormat(uint32_t format)
+{
+    mDefaultFormat = format;
+    return NO_ERROR;
+}
+
+status_t SurfaceTextureLayer::setBufferCount(int bufferCount) {
+    status_t res = SurfaceTexture::setBufferCount(bufferCount);
+    return res;
+}
+
+status_t SurfaceTextureLayer::dequeueBuffer(int *buf,
+        uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
+
+    status_t res(NO_INIT);
+    sp<Layer> layer(mLayer.promote());
+    if (layer != NULL) {
+        if (format == 0)
+            format = mDefaultFormat;
+        uint32_t effectiveUsage = layer->getEffectiveUsage(usage);
+        //LOGD("%s, w=%u, h=%u, format=%u, usage=%08x, effectiveUsage=%08x",
+        //        __PRETTY_FUNCTION__, w, h, format, usage, effectiveUsage);
+        res = SurfaceTexture::dequeueBuffer(buf, w, h, format, effectiveUsage);
+        if (res == NO_ERROR) {
+            layer->setFixedSize(w && h);
+        }
+    }
+    return res;
+}
+
+
+// ---------------------------------------------------------------------------
+}; // namespace android