Mesa (master): panfrost: Promote 8b to 16b for blend descriptors

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Module: Mesa
Branch: master
Commit: 0b590c2e8ca9fc7064928722be5de969f52bf6fd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0b590c2e8ca9fc7064928722be5de969f52bf6fd

Author: Boris Brezillon <boris.brezillon at collabora.com>
Date:   Fri Nov 20 16:58:53 2020 +0100

panfrost: Promote 8b to 16b for blend descriptors

There is no 8-bit register_format applicable. Some lowering is needed
at the compiler level to make it work.

Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
Tested-by: Maciej Matuszczyk <maccraft123mc at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8427>

---

 src/gallium/drivers/panfrost/pan_blend_shaders.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/panfrost/pan_blend_shaders.c b/src/gallium/drivers/panfrost/pan_blend_shaders.c
index 8ff0649ad72..abb9f6a6376 100644
--- a/src/gallium/drivers/panfrost/pan_blend_shaders.c
+++ b/src/gallium/drivers/panfrost/pan_blend_shaders.c
@@ -240,6 +240,7 @@ bifrost_get_blend_desc(const struct panfrost_device *dev,
                         cfg.fixed_function.conversion.register_format =
                                 MALI_BIFROST_REGISTER_FILE_FORMAT_F32;
                         break;
+                case nir_type_int8:
                 case nir_type_int16:
                         cfg.fixed_function.conversion.register_format =
                                 MALI_BIFROST_REGISTER_FILE_FORMAT_I16;
@@ -248,6 +249,7 @@ bifrost_get_blend_desc(const struct panfrost_device *dev,
                         cfg.fixed_function.conversion.register_format =
                                 MALI_BIFROST_REGISTER_FILE_FORMAT_I32;
                         break;
+                case nir_type_uint8:
                 case nir_type_uint16:
                         cfg.fixed_function.conversion.register_format =
                                 MALI_BIFROST_REGISTER_FILE_FORMAT_U16;