From 3ce4ffc46e31f4dd7ca89da1af0c40086f51a01e Mon Sep 17 00:00:00 2001
From: "Christopher N. Hesse" <raymanfx@gmail.com>
Date: Sun, 24 Apr 2016 19:30:35 +0200
Subject: surfaceflinger: Add support for Exynos BGRA mixer

Change-Id: Ibc9f784b35a7bd6d8cc6b13ff68b12418cce98c5
---
 opengl/libs/Android.mk     | 4 ++++
 opengl/libs/EGL/eglApi.cpp | 9 +++++++++
 2 files changed, 13 insertions(+)

(limited to 'opengl')

diff --git a/opengl/libs/Android.mk b/opengl/libs/Android.mk
index e952a38..870c2bd 100644
--- a/opengl/libs/Android.mk
+++ b/opengl/libs/Android.mk
@@ -65,6 +65,10 @@ ifneq ($(MAX_EGL_CACHE_SIZE),)
   LOCAL_CFLAGS += -DMAX_EGL_CACHE_SIZE=$(MAX_EGL_CACHE_SIZE)
 endif
 
+ifeq ($(BOARD_USE_BGRA_8888), true)
+  LOCAL_CFLAGS += -DUSE_BGRA_8888
+endif
+
 LOCAL_REQUIRED_MODULES := $(egl.cfg_config_module)
 egl.cfg_config_module :=
 
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 4d9eaf5..2f6bc79 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -462,8 +462,13 @@ EGLSurface eglCreateWindowSurface(  EGLDisplay dpy, EGLConfig config,
         // modify the EGLconfig's format before setting the native window's
         // format.
 
+#ifdef USE_BGRA_8888
+        // by default, just pick BGRA_8888
+        EGLint format = HAL_PIXEL_FORMAT_BGRA_8888;
+#else
         // by default, just pick RGBA_8888
         EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
+#endif
         android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
 
 #if WORKAROUND_BUG_10194508
@@ -478,7 +483,11 @@ EGLSurface eglCreateWindowSurface(  EGLDisplay dpy, EGLConfig config,
         cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
         if (a > 0) {
             // alpha-channel requested, there's really only one suitable format
+#ifdef USE_BGRA_8888
+            format = HAL_PIXEL_FORMAT_BGRA_8888;
+#else
             format = HAL_PIXEL_FORMAT_RGBA_8888;
+#endif
         } else {
             EGLint r, g, b;
             r = g = b = 0;
-- 
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