gallium: add A/L/LA/I floating point formats

src/gallium/auxiliary/util/u_format.csv

@@ -96,6 +96,14 @@ PIPE_FORMAT_A16_SNORM             , plain, 1, 1, sn16,     ,     ,     , 000x, r
 PIPE_FORMAT_L16_SNORM             , plain, 1, 1, sn16,     ,     ,     , xxx1, rgb
 PIPE_FORMAT_L16A16_SNORM          , plain, 1, 1, sn16, sn16,     ,     , xxxy, rgb
 PIPE_FORMAT_I16_SNORM             , plain, 1, 1, sn16,     ,     ,     , xxxx, rgb
+PIPE_FORMAT_A16_FLOAT             , plain, 1, 1, f16 ,     ,     ,     , 000x, rgb
+PIPE_FORMAT_L16_FLOAT             , plain, 1, 1, f16 ,     ,     ,     , xxx1, rgb
+PIPE_FORMAT_L16A16_FLOAT          , plain, 1, 1, f16 , f16 ,     ,     , xxxy, rgb
+PIPE_FORMAT_I16_FLOAT             , plain, 1, 1, f16 ,     ,     ,     , xxxx, rgb
+PIPE_FORMAT_A32_FLOAT             , plain, 1, 1, f32 ,     ,     ,     , 000x, rgb
+PIPE_FORMAT_L32_FLOAT             , plain, 1, 1, f32 ,     ,     ,     , xxx1, rgb
+PIPE_FORMAT_L32A32_FLOAT          , plain, 1, 1, f32 , f32 ,     ,     , xxxy, rgb
+PIPE_FORMAT_I32_FLOAT             , plain, 1, 1, f32 ,     ,     ,     , xxxx, rgb
 
 # SRGB formats
 PIPE_FORMAT_L8_SRGB               , plain, 1, 1, un8 ,     ,     ,     , xxx1, srgb 

src/gallium/include/pipe/p_format.h

@@ -220,6 +220,15 @@ enum pipe_format {
    PIPE_FORMAT_L16A16_SNORM            = 153,
    PIPE_FORMAT_I16_SNORM               = 154,
 
+   PIPE_FORMAT_A16_FLOAT               = 155,
+   PIPE_FORMAT_L16_FLOAT               = 156,
+   PIPE_FORMAT_L16A16_FLOAT            = 157,
+   PIPE_FORMAT_I16_FLOAT               = 158,
+   PIPE_FORMAT_A32_FLOAT               = 159,
+   PIPE_FORMAT_L32_FLOAT               = 160,
+   PIPE_FORMAT_L32A32_FLOAT            = 161,
+   PIPE_FORMAT_I32_FLOAT               = 162,
+
    PIPE_FORMAT_COUNT
 };