1 files changed, 26 insertions, 0 deletions
diff --git a/gralloc/gr_utils.cpp b/gralloc/gr_utils.cpp
index b9ddcecb..05a63628 100644
--- a/gralloc/gr_utils.cpp
+++ b/gralloc/gr_utils.cpp
@@ -236,6 +236,32 @@ bool IsGPUFlagSupported(uint64_t usage) {
   return ret;
 }
 
+int GetBpp(int format) {
+  if (IsUncompressedRGBFormat(format)) {
+    return GetBppForUncompressedRGB(format);
+  }
+  switch (format) {
+    case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_4x4_KHR:
+    case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+    case HAL_PIXEL_FORMAT_RAW8:
+    case HAL_PIXEL_FORMAT_Y8:
+      return 1;
+    case HAL_PIXEL_FORMAT_RAW16:
+    case HAL_PIXEL_FORMAT_Y16:
+    case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+    case HAL_PIXEL_FORMAT_YCrCb_422_SP:
+    case HAL_PIXEL_FORMAT_YCbCr_422_I:
+    case HAL_PIXEL_FORMAT_YCrCb_422_I:
+    case HAL_PIXEL_FORMAT_CbYCrY_422_I:
+      return 2;
+    case HAL_PIXEL_FORMAT_YCbCr_420_P010_VENUS:
+    case HAL_PIXEL_FORMAT_YCbCr_420_P010:
+      return 3;
+    default:
+      return -1;
+  }
+}
+
 // Returns the final buffer size meant to be allocated with ion
 unsigned int GetSize(const BufferInfo &info, unsigned int alignedw, unsigned int alignedh) {
   unsigned int size = 0;