[Mesa-dev] [PATCH 2/5] gallium: Add support for 5551 with the 1-bit field in the low bit.

[Eric Anholt]

---

Do I have the swizzles right here?  It's a bit complicated because I
have a reswizzle in vc4, so I may have just massaged things to work
out in my case.  I tried a lot of combinations trying to specify BE
swizzles in a way that wouldn't assertion fail in the python script,
with no luck.

 src/gallium/auxiliary/util/u_format.csv |  2 ++
 src/gallium/include/pipe/p_format.h     |  3 +++
 src/mesa/state_tracker/st_format.c      | 16 +++++++++++++---
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_format.csv b/src/gallium/auxiliary/util/u_format.csv
index cef530aae7c3..e4e3f8705456 100644
--- a/src/gallium/auxiliary/util/u_format.csv
+++ b/src/gallium/auxiliary/util/u_format.csv
@@ -74,6 +74,8 @@ PIPE_FORMAT_X8B8G8R8_UNORM        , plain, 1, 1, x8  , un8 , un8 , un8 , wzy1, r
 PIPE_FORMAT_R8G8B8X8_UNORM        , plain, 1, 1, un8 , un8 , un8 , x8  , xyz1, rgb
 PIPE_FORMAT_B5G5R5X1_UNORM        , plain, 1, 1, un5 , un5 , un5 , x1  , zyx1, rgb, x1  , un5 , un5 , un5 , yzw1
 PIPE_FORMAT_B5G5R5A1_UNORM        , plain, 1, 1, un5 , un5 , un5 , un1 , zyxw, rgb, un1 , un5 , un5 , un5 , yzwx
+PIPE_FORMAT_X1B5G5R5_UNORM        , plain, 1, 1, x1  , un5 , un5 , un5 , wzy1, rgb
+PIPE_FORMAT_A1B5G5R5_UNORM        , plain, 1, 1, un1 , un5 , un5 , un5 , wzyx, rgb
 PIPE_FORMAT_B4G4R4A4_UNORM        , plain, 1, 1, un4 , un4 , un4 , un4 , zyxw, rgb, un4 , un4 , un4 , un4 , yzwx
 PIPE_FORMAT_B4G4R4X4_UNORM        , plain, 1, 1, un4 , un4 , un4 , x4  , zyx1, rgb, x4  , un4 , un4 , un4 , yzw1
 PIPE_FORMAT_B5G6R5_UNORM          , plain, 1, 1, un5 , un6 , un5 ,     , zyx1, rgb, un5 , un6 , un5 ,     , xyz1
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index e4e09d8b4353..515ce62e2973 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -391,6 +391,9 @@ enum pipe_format {
 
    PIPE_FORMAT_P016                    = 307,
 
+   PIPE_FORMAT_A1B5G5R5_UNORM          = 308,
+   PIPE_FORMAT_X1B5G5R5_UNORM          = 309,
+
    PIPE_FORMAT_COUNT
 };
 
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 012f1a40151f..25162fbb9e5c 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -79,6 +79,8 @@ st_mesa_format_to_pipe_format(const struct st_context *st, mesa_format mesaForma
       return PIPE_FORMAT_XRGB8888_UNORM;
    case MESA_FORMAT_B5G5R5A1_UNORM:
       return PIPE_FORMAT_B5G5R5A1_UNORM;
+   case MESA_FORMAT_A1B5G5R5_UNORM:
+      return PIPE_FORMAT_A1B5G5R5_UNORM;
    case MESA_FORMAT_B4G4R4A4_UNORM:
       return PIPE_FORMAT_B4G4R4A4_UNORM;
    case MESA_FORMAT_B5G6R5_UNORM:
@@ -407,6 +409,8 @@ st_mesa_format_to_pipe_format(const struct st_context *st, mesa_format mesaForma
       return PIPE_FORMAT_B4G4R4X4_UNORM;
    case MESA_FORMAT_B5G5R5X1_UNORM:
       return PIPE_FORMAT_B5G5R5X1_UNORM;
+   case MESA_FORMAT_X1B5G5R5_UNORM:
+      return PIPE_FORMAT_X1B5G5R5_UNORM;
    case MESA_FORMAT_R8G8B8X8_SNORM:
       return PIPE_FORMAT_RGBX8888_SNORM;
    case MESA_FORMAT_X8B8G8R8_SNORM:
@@ -556,6 +560,8 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
       return MESA_FORMAT_X8R8G8B8_UNORM;
    case PIPE_FORMAT_B5G5R5A1_UNORM:
       return MESA_FORMAT_B5G5R5A1_UNORM;
+   case PIPE_FORMAT_A1B5G5R5_UNORM:
+      return MESA_FORMAT_A1B5G5R5_UNORM;
    case PIPE_FORMAT_B4G4R4A4_UNORM:
       return MESA_FORMAT_B4G4R4A4_UNORM;
    case PIPE_FORMAT_B5G6R5_UNORM:
@@ -886,6 +892,8 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
       return MESA_FORMAT_B4G4R4X4_UNORM;
    case PIPE_FORMAT_B5G5R5X1_UNORM:
       return MESA_FORMAT_B5G5R5X1_UNORM;
+   case PIPE_FORMAT_X1B5G5R5_UNORM:
+      return MESA_FORMAT_X1B5G5R5_UNORM;
    case PIPE_FORMAT_RGBX8888_SNORM:
       return MESA_FORMAT_R8G8B8X8_SNORM;
    case PIPE_FORMAT_XBGR8888_SNORM:
@@ -1058,7 +1066,7 @@ test_format_conversion(struct st_context *st)
 struct format_mapping
 {
    GLenum glFormats[18];       /**< list of GLenum formats, 0-terminated */
-   enum pipe_format pipeFormats[13]; /**< list of pipe formats, 0-terminated */
+   enum pipe_format pipeFormats[14]; /**< list of pipe formats, 0-terminated */
 };
 
 
@@ -1145,7 +1153,8 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB5_A1, 0 },
-      { PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
+      { PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
+        DEFAULT_RGBA_FORMATS }
    },
    {
       { GL_R3_G3_B2, 0 },
@@ -1159,7 +1168,8 @@ static const struct format_mapping format_map[] = {
    },
    {
       { GL_RGB5 },
-      { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
+      { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_X1B5G5R5_UNORM,
+        PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
         DEFAULT_RGB_FORMATS }
    },
    {
-- 
2.11.0