commit 7669daee42136ad4529d9fc3e183245f302c4fb9
author Naseer Ahmed <naseer@codeaurora.org> Wed Apr 17 20:23:53 2013 -0400
committer Naseer Ahmed <naseer@codeaurora.org> Fri Apr 19 18:27:06 2013 -0400
tree d34cf4741336015052f5ffdf9c18f3a4e53fce4c
parent dd9e75b665130c7aafb456afd3bba1070e70a0ba

gralloc: Add support for "RAW" and "BLOB" formats

The allocation is done as specified in system/graphics.h
Raw formats are 16 bit and aligned to 32 bytes, blob formats have
a height of 1 and the size of the buffer is equal to the width.

Change-Id: If762a34dde3b78f138689ced1077c9529020ebf0

libgralloc/alloc_controller.cpp

diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index 4f2acbc..123be3f 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -132,6 +132,7 @@
         switch (format)
         {
             case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
+            case HAL_PIXEL_FORMAT_RAW_SENSOR:
                 stride = ALIGN(width, 32);
                 break;
             case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
@@ -148,6 +149,9 @@
             case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
                 stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, width);
                 break;
+            case HAL_PIXEL_FORMAT_BLOB:
+                stride = width;
+                break;
             default: break;
         }
     }
@@ -267,6 +271,7 @@
         case HAL_PIXEL_FORMAT_RGB_565:
         case HAL_PIXEL_FORMAT_RGBA_5551:
         case HAL_PIXEL_FORMAT_RGBA_4444:
+        case HAL_PIXEL_FORMAT_RAW_SENSOR:
             size = alignedw * alignedh * 2;
             break;
 
@@ -317,6 +322,16 @@
             alignedh = VENUS_Y_SCANLINES(COLOR_FMT_NV12, height);
             size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height);
             break;
+        case HAL_PIXEL_FORMAT_BLOB:
+            if(height != 1) {
+                ALOGE("%s: Buffers with format HAL_PIXEL_FORMAT_BLOB \
+                      must have height==1 ", __FUNCTION__);
+                return -EINVAL;
+            }
+            alignedh = height;
+            alignedw = width;
+            size = width;
+            break;
         default:
             ALOGE("unrecognized pixel format: 0x%x", format);
             return -EINVAL;