gallium: add P016 format

Same layout as NV12, but 16bit per channel instead of 8.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Mark Thompson <sw@jkqxz.net>

src/gallium/auxiliary/util/u_format.csv

@@ -320,6 +320,8 @@ PIPE_FORMAT_IYUV                  , other, 1, 1, x8  , x8  , x8  , x8  , xyzw, y
 PIPE_FORMAT_NV12                  , other, 1, 1, x8  , x8  , x8  , x8  , xyzw, yuv
 PIPE_FORMAT_NV21                  , other, 1, 1, x8  , x8  , x8  , x8  , xyzw, yuv
 
+PIPE_FORMAT_P016                  , other, 1, 1, x16 , x16 ,     ,     , xyzw, yuv
+
 # Usually used to implement IA44 and AI44 formats in video decoding
 PIPE_FORMAT_A4R4_UNORM            , plain, 1, 1, un4 , un4 ,     ,     , y00x, rgb, un4, un4 ,     ,     , x00y
 PIPE_FORMAT_R4A4_UNORM            , plain, 1, 1, un4 , un4 ,     ,     , x00y, rgb, un4, un4 ,     ,     , y00x

src/gallium/auxiliary/util/u_format_yuv.c

@@ -1015,6 +1015,25 @@ util_format_nv21_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
 void
 util_format_nv21_fetch_rgba_float(float *dst, const uint8_t *src,
                              unsigned i, unsigned j) {}
+void
+util_format_p016_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+                             const uint8_t *src_row, unsigned src_stride,
+                             unsigned width, unsigned height) {}
+void
+util_format_p016_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+                             const uint8_t *src_row, unsigned src_stride,
+                             unsigned width, unsigned height) {}
+void
+util_format_p016_unpack_rgba_float(float *dst_row, unsigned dst_stride,
+                             const uint8_t *src_row, unsigned src_stride,
+                             unsigned width, unsigned height) {}
+void
+util_format_p016_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
+                             const float *src_row, unsigned src_stride,
+                             unsigned width, unsigned height) {}
+void
+util_format_p016_fetch_rgba_float(float *dst, const uint8_t *src,
+                             unsigned i, unsigned j) {}
 
 void
 util_format_r8g8_r8b8_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,

src/gallium/auxiliary/util/u_format_yuv.h

@@ -266,6 +266,25 @@ void
 util_format_nv21_fetch_rgba_float(float *dst, const uint8_t *src,
                              unsigned i, unsigned j);
 void
+util_format_p016_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+                             const uint8_t *src_row, unsigned src_stride,
+                             unsigned width, unsigned height);
+void
+util_format_p016_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
+                             const uint8_t *src_row, unsigned src_stride,
+                             unsigned width, unsigned height);
+void
+util_format_p016_unpack_rgba_float(float *dst_row, unsigned dst_stride,
+                             const uint8_t *src_row, unsigned src_stride,
+                             unsigned width, unsigned height);
+void
+util_format_p016_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
+                             const float *src_row, unsigned src_stride,
+                             unsigned width, unsigned height);
+void
+util_format_p016_fetch_rgba_float(float *dst, const uint8_t *src,
+                             unsigned i, unsigned j);
+void
 util_format_r8g8_b8g8_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride,
                                          const uint8_t *src_row, unsigned src_stride,
                                          unsigned width, unsigned height);

src/gallium/include/pipe/p_format.h

@@ -389,6 +389,8 @@ enum pipe_format {
    PIPE_FORMAT_ASTC_12x10_SRGB         = 305,
    PIPE_FORMAT_ASTC_12x12_SRGB         = 306,
 
+   PIPE_FORMAT_P016                    = 307,
+
    PIPE_FORMAT_COUNT
 };