commit 8ace84d1171a61bf04c7e8c7d7c8cd77279fef6d
author Ray Zhang <rayz@codeaurora.org> Mon Aug 08 19:36:03 2016 +0800
committer rayz <rayz@codeaurora.org> Wed Aug 17 17:40:04 2016 +0800
tree b6dde6eeffff53ea20b7b658c385d344ec1427a4
parent 31d3cc7e545fbd2101b74ab8689bfcaac16e6392

sdm: Notify surfaceflinger to draw S3D framebuffer target

Set S3D flag to private handle so that SurfaceFlinger can help
to draw S3D framebuffer target according to the flag in case
MDP can not handle some of S3D cases.

Change-Id: Ic39d0c0dd47c71e8a677d1e52af2c485494235b3
CRs-fixed: 999055

libqdutils/qdMetaData.cpp

diff --git a/libqdutils/qdMetaData.cpp b/libqdutils/qdMetaData.cpp
index 72edfdf..130cf46 100644
--- a/libqdutils/qdMetaData.cpp
+++ b/libqdutils/qdMetaData.cpp
@@ -87,6 +87,43 @@
         case SET_SINGLE_BUFFER_MODE:
             data->isSingleBufferMode = *((uint32_t *)param);
             break;
+        case SET_S3D_COMP:
+            data->s3dComp = *((S3DGpuComp_t *)param);
+            break;
+        default:
+            ALOGE("Unknown paramType %d", paramType);
+            break;
+    }
+    if(munmap(base, size))
+        ALOGE("%s: failed to unmap ptr %p, err %d", __func__, (void*)base,
+                                                                        errno);
+    return 0;
+}
+
+int clearMetaData(private_handle_t *handle, DispParamType paramType) {
+    if (!handle) {
+        ALOGE("%s: Private handle is null!", __func__);
+        return -1;
+    }
+    if (handle->fd_metadata == -1) {
+        ALOGE("%s: Bad fd for extra data!", __func__);
+        return -1;
+    }
+
+    unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
+    void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED,
+        handle->fd_metadata, 0);
+    if (base == reinterpret_cast<void*>(MAP_FAILED)) {
+        ALOGE("%s: mmap() failed: error is %s!", __func__, strerror(errno));
+        return -1;
+    }
+    MetaData_t *data = reinterpret_cast <MetaData_t *>(base);
+    data->operation &= ~paramType;
+    switch (paramType) {
+        case SET_S3D_COMP:
+            data->s3dComp.displayId = -1;
+            data->s3dComp.s3dMode = 0;
+            break;
         default:
             ALOGE("Unknown paramType %d", paramType);
             break;
@@ -120,7 +157,6 @@
     }
 
     MetaData_t *data = reinterpret_cast <MetaData_t *>(base);
-    data->operation |= paramType;
     switch (paramType) {
         case GET_PP_PARAM_INTERLACED:
             *((int32_t *)param) = data->interlaced;
@@ -149,6 +185,9 @@
         case GET_SINGLE_BUFFER_MODE:
             *((uint32_t *)param) = data->isSingleBufferMode ;
             break;
+        case GET_S3D_COMP:
+            *((S3DGpuComp_t *)param) = data->s3dComp;
+            break;
         default:
             ALOGE("Unknown paramType %d", paramType);
             break;