display: Enable vsync
* Use the vsync uevents from the kernel to start
surfaceflinger composition.
* This patch also does some code cleanup
- Move copybit specific functions to copybit files.
- Cleanup verbose logging.
Change-Id: I36936e4b0a082cfb0347d8ee7d2bc936e01808e6
diff --git a/libhwcomposer/hwc_external.h b/libhwcomposer/hwc_external.h
new file mode 100644
index 0000000..9e5f455
--- /dev/null
+++ b/libhwcomposer/hwc_external.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * Copyright (C) 2012, Code Aurora Forum. All rights reserved.
+ *
+ * Not a Contribution, Apache license notifications and license are
+ * retained for attribution purposes only.
+
+ * 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.
+ */
+
+#ifndef HWC_EXTERNAL_DISPLAY_H
+#define HWC_EXTERNAL_DISPLAY_H
+
+struct hwc_context_t;
+
+namespace qhwc {
+
+class ExternalDisplay
+{
+ //Type of external display - OFF, HDMI, WFD
+ enum external_display_type {
+ EXT_TYPE_NONE,
+ EXT_TYPE_HDMI,
+ EXT_TYPE_WIFI
+ };
+
+ // Mirroring state
+ enum external_mirroring_state {
+ EXT_MIRRORING_OFF,
+ EXT_MIRRORING_ON,
+ };
+ public:
+ ExternalDisplay(hwc_context_t* ctx);
+ ~ExternalDisplay();
+ int getExternalDisplay() const;
+ void setExternalDisplayStatus(int connected);
+
+ private:
+ bool readResolution();
+ int parseResolution(char* edidStr, int* edidModes, int len);
+ void setResolution(int ID);
+ bool openFramebuffer();
+ bool writeHPDOption(int userOption) const;
+ bool isValidMode(int ID);
+ void handleUEvent(char* str, int len);
+ int getModeOrder(int mode);
+ int getBestMode();
+
+ int fd;
+ int mExternalDisplay;
+ int mCurrentID;
+ char mEDIDs[128];
+ int mEDIDModes[64];
+ int mModeCount;
+ hwc_context_t *mHwcContext;
+};
+
+}; //qhwc
+// ---------------------------------------------------------------------------
+#endif //HWC_EXTERNAL_DISPLAY_H