From c666cae2d5995097ec49a87e375e2afdd92802b7 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Wed, 25 Jul 2012 18:56:13 -0700
Subject: get rid of the shared-memory control block

Change-Id: If814060aca1d2ff2619d4adcd57296983d207f7f
---
 libs/gui/SurfaceComposerClient.cpp | 66 +-------------------------------------
 1 file changed, 1 insertion(+), 65 deletions(-)

(limited to 'libs/gui/SurfaceComposerClient.cpp')

diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 4930e336fb..1aecddb1d2 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -38,7 +38,6 @@
 
 #include <private/gui/ComposerService.h>
 #include <private/gui/LayerState.h>
-#include <private/gui/SharedBufferStack.h>
 
 namespace android {
 // ---------------------------------------------------------------------------
@@ -51,27 +50,16 @@ ComposerService::ComposerService()
     while (getService(name, &mComposerService) != NO_ERROR) {
         usleep(250000);
     }
-    mServerCblkMemory = mComposerService->getCblk();
-    mServerCblk = static_cast<surface_flinger_cblk_t volatile *>(
-            mServerCblkMemory->getBase());
 }
 
 sp<ISurfaceComposer> ComposerService::getComposerService() {
     return ComposerService::getInstance().mComposerService;
 }
 
-surface_flinger_cblk_t const volatile * ComposerService::getControlBlock() {
-    return ComposerService::getInstance().mServerCblk;
-}
-
 static inline sp<ISurfaceComposer> getComposerService() {
     return ComposerService::getComposerService();
 }
 
-static inline surface_flinger_cblk_t const volatile * get_cblk() {
-    return ComposerService::getControlBlock();
-}
-
 // ---------------------------------------------------------------------------
 
 // NOTE: this is NOT a member function (it's a friend defined with its
@@ -476,59 +464,7 @@ status_t SurfaceComposerClient::setOrientation(DisplayID dpy,
 status_t SurfaceComposerClient::getDisplayInfo(
         DisplayID dpy, DisplayInfo* info)
 {
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
-        return BAD_VALUE;
-
-    volatile surface_flinger_cblk_t const * cblk = get_cblk();
-    volatile display_cblk_t const * dcblk = cblk->displays + dpy;
-
-    info->w              = dcblk->w;
-    info->h              = dcblk->h;
-    info->orientation    = dcblk->orientation;
-    info->xdpi           = dcblk->xdpi;
-    info->ydpi           = dcblk->ydpi;
-    info->fps            = dcblk->fps;
-    info->density        = dcblk->density;
-    return getPixelFormatInfo(dcblk->format, &(info->pixelFormatInfo));
-}
-
-ssize_t SurfaceComposerClient::getDisplayWidth(DisplayID dpy)
-{
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
-        return BAD_VALUE;
-    volatile surface_flinger_cblk_t const * cblk = get_cblk();
-    volatile display_cblk_t const * dcblk = cblk->displays + dpy;
-    return dcblk->w;
-}
-
-ssize_t SurfaceComposerClient::getDisplayHeight(DisplayID dpy)
-{
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
-        return BAD_VALUE;
-    volatile surface_flinger_cblk_t const * cblk = get_cblk();
-    volatile display_cblk_t const * dcblk = cblk->displays + dpy;
-    return dcblk->h;
-}
-
-ssize_t SurfaceComposerClient::getDisplayOrientation(DisplayID dpy)
-{
-    if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
-        return BAD_VALUE;
-    volatile surface_flinger_cblk_t const * cblk = get_cblk();
-    volatile display_cblk_t const * dcblk = cblk->displays + dpy;
-    return dcblk->orientation;
-}
-
-ssize_t SurfaceComposerClient::getNumberOfDisplays()
-{
-    volatile surface_flinger_cblk_t const * cblk = get_cblk();
-    uint32_t connected = cblk->connected;
-    int n = 0;
-    while (connected) {
-        if (connected&1) n++;
-        connected >>= 1;
-    }
-    return n;
+    return getComposerService()->getDisplayInfo(dpy, info);
 }
 
 // ----------------------------------------------------------------------------
-- 
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