xrt: Add XRT_FORMAT_BAYER_GR8 format

doc/changes/xrt/mr.665.2.md

+Add `XRT_FORMAT_BAYER_GR8` format.

src/xrt/auxiliary/util/u_format.c

@@ -21,6 +21,7 @@ u_format_str(enum xrt_format f)
 	case XRT_FORMAT_R8G8B8: return "XRT_FORMAT_R8G8B8";
 	case XRT_FORMAT_R8G8: return "XRT_FORMAT_R8G8";
 	case XRT_FORMAT_R8: return "XRT_FORMAT_R8";
+	case XRT_FORMAT_BAYER_GR8: return "XRT_FORMAT_BAYER_GR8";
 	case XRT_FORMAT_L8: return "XRT_FORMAT_L8";
 	case XRT_FORMAT_BITMAP_8X1: return "XRT_FORMAT_BITMAP_8X1";
 	case XRT_FORMAT_BITMAP_8X8: return "XRT_FORMAT_BITMAP_8X8";
@@ -41,6 +42,7 @@ u_format_is_blocks(enum xrt_format f)
 	case XRT_FORMAT_R8G8B8:
 	case XRT_FORMAT_R8G8:
 	case XRT_FORMAT_R8:
+	case XRT_FORMAT_BAYER_GR8:
 	case XRT_FORMAT_L8:
 	case XRT_FORMAT_BITMAP_8X1:
 	case XRT_FORMAT_BITMAP_8X8:
@@ -65,6 +67,7 @@ u_format_block_width(enum xrt_format f)
 	case XRT_FORMAT_R8G8B8:
 	case XRT_FORMAT_R8G8:
 	case XRT_FORMAT_R8:
+	case XRT_FORMAT_BAYER_GR8:
 	case XRT_FORMAT_L8:
 	case XRT_FORMAT_YUV888:
 		// Regular one pixel per block formats.
@@ -90,6 +93,7 @@ u_format_block_height(enum xrt_format f)
 	case XRT_FORMAT_R8G8B8:
 	case XRT_FORMAT_R8G8:
 	case XRT_FORMAT_R8:
+	case XRT_FORMAT_BAYER_GR8:
 	case XRT_FORMAT_L8:
 	case XRT_FORMAT_BITMAP_8X1:
 	case XRT_FORMAT_YUV888:
@@ -110,6 +114,7 @@ u_format_block_size(enum xrt_format f)
 	switch (f) {
 	case XRT_FORMAT_BITMAP_8X1:
 	case XRT_FORMAT_R8:
+	case XRT_FORMAT_BAYER_GR8:
 	case XRT_FORMAT_L8:
 		// One byte blocks
 		return 1;

src/xrt/include/xrt/xrt_defines.h

@@ -69,6 +69,8 @@ enum xrt_format
 	XRT_FORMAT_R8G8,
 	XRT_FORMAT_R8,
 
+	XRT_FORMAT_BAYER_GR8,
+
 	XRT_FORMAT_L8, // Luminence, R = L, G = L, B = L.
 
 	XRT_FORMAT_BITMAP_8X1, // One bit format tiled in 8x1 blocks.