From c616c48fc5cee94ca69e50a7b925508150b593fb Mon Sep 17 00:00:00 2001
From: Neti Ravi Kumar <ravineti@codeaurora.org>
Date: Tue, 17 Jan 2012 16:30:14 +0530
Subject: [PATCH] libqcomui: Do not create EGL image for 420 SP formats in
 7x27A

This change is done to reduce the CPU utilization by SurfaceFlinger
thread. This feature may be turned On/Off using a compile time flag

(cherry picked from commit 9691e73556e5c0b66553aa55eb504b9ebb0fd400)

Change-Id: I1cb5b5c8abef135bc520c6e39c6ccf236b2270c3

Conflicts:

	libqcomui/Android.mk
---
 libqcomui/Android.mk  | 7 ++++---
 libqcomui/qcom_ui.cpp | 8 ++++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/libqcomui/Android.mk b/libqcomui/Android.mk
index c60f18b..656591d 100644
--- a/libqcomui/Android.mk
+++ b/libqcomui/Android.mk
@@ -4,9 +4,10 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := \
         qcom_ui.cpp
 
-ifeq ($(call is-board-platform,msm7x27a),true)
-        LOCAL_CFLAGS += -DCHECK_FOR_EXTERNAL_FORMAT
-endif
+#ifeq ($(TARGET_BOARD_PLATFORM),qsd8k) # these are originally for 7x27a
+#    LOCAL_CFLAGS += -DCHECK_FOR_EXTERNAL_FORMAT
+#    LOCAL_CFLAGS += -DBYPASS_EGLIMAGE
+#endif
 
 LOCAL_SHARED_LIBRARIES := \
         libutils \
diff --git a/libqcomui/qcom_ui.cpp b/libqcomui/qcom_ui.cpp
index 725c13f..9e0a593 100644
--- a/libqcomui/qcom_ui.cpp
+++ b/libqcomui/qcom_ui.cpp
@@ -134,6 +134,14 @@ int getNumberOfArgsForOperation(int operation) {
  * @return true if the format is supported by the GPU.
  */
 bool isGPUSupportedFormat(int format) {
+
+    // For 7x27A bypass creating EGL image for 420 SP
+    // This is done to save CPU utilization by SurfaceFlinger thread
+#ifdef BYPASS_EGLIMAGE
+    if (format == HAL_PIXEL_FORMAT_YCrCb_420_SP){
+        return false;
+    }
+#endif
     if (format == HAL_PIXEL_FORMAT_YV12) {
         // We check the YV12 formats, since some Qcom specific formats
         // could have the bits set.