[L0] Add 3-channel image support

- add support for UR_IMAGE_CHANNEL_ORDER_RGB and UR_IMAGE_CHANNEL_ORDER_RGX

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

Author: nrspruit

source/adapters/level_zero/image.cpp

@@ -37,16 +37,19 @@ ur_result_t ze2urImageFormat(const ze_image_desc_t *ZeImageDesc,
   switch (ZeImageFormat.layout) {
   case ZE_IMAGE_FORMAT_LAYOUT_8:
   case ZE_IMAGE_FORMAT_LAYOUT_8_8:
+  case ZE_IMAGE_FORMAT_LAYOUT_8_8_8:
   case ZE_IMAGE_FORMAT_LAYOUT_8_8_8_8:
     ZeImageFormatTypeSize = 8;
     break;
   case ZE_IMAGE_FORMAT_LAYOUT_16:
   case ZE_IMAGE_FORMAT_LAYOUT_16_16:
+  case ZE_IMAGE_FORMAT_LAYOUT_16_16_16:
   case ZE_IMAGE_FORMAT_LAYOUT_16_16_16_16:
     ZeImageFormatTypeSize = 16;
     break;
   case ZE_IMAGE_FORMAT_LAYOUT_32:
   case ZE_IMAGE_FORMAT_LAYOUT_32_32:
+  case ZE_IMAGE_FORMAT_LAYOUT_32_32_32:
   case ZE_IMAGE_FORMAT_LAYOUT_32_32_32_32:
     ZeImageFormatTypeSize = 32;
     break;
@@ -98,7 +101,29 @@ ur_result_t ze2urImageFormat(const ze_image_desc_t *ZeImageDesc,
     default:
       logger::error(
           "ze2urImageFormat: unexpected image format channel y: y = {}\n",
-          ZeImageFormat.x);
+          ZeImageFormat.y);
+      return UR_RESULT_ERROR_INVALID_VALUE;
+    }
+    break;
+  case ZE_IMAGE_FORMAT_LAYOUT_8_8_8:
+  case ZE_IMAGE_FORMAT_LAYOUT_16_16_16:
+  case ZE_IMAGE_FORMAT_LAYOUT_32_32_32:
+    if (ZeImageFormat.x != ZE_IMAGE_FORMAT_SWIZZLE_R &&
+        ZeImageFormat.y != ZE_IMAGE_FORMAT_SWIZZLE_G) {
+      logger::error("ze2urImageFormat: unexpected image format channel");
+      return UR_RESULT_ERROR_INVALID_VALUE;
+    }
+    switch (ZeImageFormat.z) {
+    case ZE_IMAGE_FORMAT_SWIZZLE_B:
+      ChannelOrder = UR_IMAGE_CHANNEL_ORDER_RGB;
+      break;
+    case ZE_IMAGE_FORMAT_SWIZZLE_X:
+      ChannelOrder = UR_IMAGE_CHANNEL_ORDER_RGX;
+      break;
+    default:
+      logger::error(
+          "ze2urImageFormat: unexpected image format channel z: z = {}\n",
+          ZeImageFormat.z);
       return UR_RESULT_ERROR_INVALID_VALUE;
     }
     break;
@@ -303,6 +328,24 @@ ur_result_t ur2zeImageDesc(const ur_image_format_t *ImageFormat,
     }
     break;
   }
+  case UR_IMAGE_CHANNEL_ORDER_RGB:
+  case UR_IMAGE_CHANNEL_ORDER_RGX: {
+    switch (ZeImageFormatTypeSize) {
+    case 8:
+      ZeImageFormatLayout = ZE_IMAGE_FORMAT_LAYOUT_8_8_8;
+      break;
+    case 16:
+      ZeImageFormatLayout = ZE_IMAGE_FORMAT_LAYOUT_16_16_16;
+      break;
+    case 32:
+      ZeImageFormatLayout = ZE_IMAGE_FORMAT_LAYOUT_32_32_32;
+      break;
+    default:
+      logger::error("ur2zeImageDesc: unexpected data type size");
+      return UR_RESULT_ERROR_INVALID_VALUE;
+    }
+    break;
+  }
   default:
     logger::error("format channel order = {}", ImageFormat->channelOrder);
     die("ur2zeImageDesc: unsupported image channel order\n");