commit 57b524518e5894e9a82e6e7eee7d2ef45eb29e3f
author Naseer Ahmed <naseer@codeaurora.org> Tue Apr 08 20:23:47 2014 -0400
committer Baldev Sahu <bsahu@codeaurora.org> Wed Mar 18 11:22:31 2015 +0530
tree 11d10049c242142e69acdd1d5d913928da2fdf68
parent cc785bf4b0b60d43ffa05c754e6bbd14a30c58ca

gralloc: Report YUV plane info

The android_ycbcr structure in graphics.h is populated to give
the luma and chroma addresses. Use the same structure to give
this information to graphics via a  gralloc perform call.

Change-Id: Ib42866a9ea90873886dcb60a1aac6cb375292642

libgralloc/mapper.cpp

diff --git a/libgralloc/mapper.cpp b/libgralloc/mapper.cpp
index a1b681c..bf698e6 100644
--- a/libgralloc/mapper.cpp
+++ b/libgralloc/mapper.cpp
@@ -256,28 +256,8 @@
 {
     private_handle_t* hnd = (private_handle_t*)handle;
     int err = gralloc_map_and_invalidate(module, handle, usage);
-    size_t ystride, cstride;
-    if(!err) {
-        //hnd->format holds our implementation defined format
-        //HAL_PIXEL_FORMAT_YCrCb_420_SP is the only one set right now.
-        switch (hnd->format) {
-            case HAL_PIXEL_FORMAT_YCrCb_420_SP:
-                ystride = ALIGN(hnd->width, 16);
-                cstride = ALIGN(hnd->width, 16)/2;
-                ycbcr->y  = (void*)hnd->base;
-                ycbcr->cr = (void*)(hnd->base + ystride * hnd->height);
-                ycbcr->cb = (void*)(hnd->base + ystride * hnd->height + 1);
-                ycbcr->ystride = ystride;
-                ycbcr->cstride = cstride;
-                ycbcr->chroma_step = 2;
-                memset(ycbcr->reserved, 0, sizeof(ycbcr->reserved));
-                break;
-            default:
-                ALOGD("%s: Invalid format passed: 0x%x", __FUNCTION__,
-                      hnd->format);
-                err = -EINVAL;
-        }
-    }
+    if(!err)
+        err = getYUVPlaneInfo(hnd, ycbcr);
     return err;
 }
 
@@ -367,6 +347,15 @@
                 }
                 res = 0;
             } break;
+        case GRALLOC_MODULE_PERFORM_GET_YUV_PLANE_INFO:
+            {
+                private_handle_t* hnd =  va_arg(args, private_handle_t*);
+                android_ycbcr* ycbcr = va_arg(args, struct android_ycbcr *);
+                if (private_handle_t::validate(hnd)) {
+                    res = getYUVPlaneInfo(hnd, ycbcr);
+                }
+            } break;
+
         default:
             break;
     }