[Mesa-dev] [PATCH] svga: fix format_conversion_table breakage

[Brian Paul]

On 10/16/2017 04:24 AM, Eric Engestrom wrote:
> On Saturday, 2017-10-14 16:52:29 +0000, Brian Paul wrote:
>> The new A1B5G5R5_UNORM, X1B5G5R5_UNORM formats were added in the
>> wrong place
>
> Can you explain why this was wrong, so that one doesn't make the same
> mistake next time? Maybe add that as a comment atop the array?
> (Is it a simple case of "always add at the end" or is there more to it?)

The entries in the table are the same order as the PIPE_FORMAT_ tokens.
I'll add a comment.

>
>> in commit ef874ee450b18e "gallium: Add support for 5551
>> with the 1-bit field in the low bit."
>
> Fixes: ef874ee450b18e "gallium: Add support for 5551 with the 1-bit field in the low bit."

Will do.

R-b?

-Brian

>
> (so that scripts pick it up)
>
>> ---
>>   src/gallium/drivers/svga/svga_format.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/src/gallium/drivers/svga/svga_format.c b/src/gallium/drivers/svga/svga_format.c
>> index b6ca9c5..bcaff60 100644
>> --- a/src/gallium/drivers/svga/svga_format.c
>> +++ b/src/gallium/drivers/svga/svga_format.c
>> @@ -58,7 +58,6 @@ static const struct vgpu10_format_entry format_conversion_table[] =
>>      { PIPE_FORMAT_A8R8G8B8_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_X8R8G8B8_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_B5G5R5A1_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_B5G5R5A1_UNORM,       TF_GEN_MIPS },
>> -   { PIPE_FORMAT_A1B5G5R5_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_B4G4R4A4_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_B5G6R5_UNORM,          SVGA3D_FORMAT_INVALID,      SVGA3D_B5G6R5_UNORM,         TF_GEN_MIPS },
>>      { PIPE_FORMAT_R10G10B10A2_UNORM,     SVGA3D_R10G10B10A2_UNORM,   SVGA3D_R10G10B10A2_UNORM,    TF_GEN_MIPS },
>> @@ -176,7 +175,6 @@ static const struct vgpu10_format_entry format_conversion_table[] =
>>      { PIPE_FORMAT_R5SG5SB6U_NORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_A8B8G8R8_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_B5G5R5X1_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>> -   { PIPE_FORMAT_X1B5G5R5_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_R10G10B10A2_USCALED,   SVGA3D_R10G10B10A2_UNORM,   SVGA3D_FORMAT_INVALID,       VF_PUINT_TO_USCALED },
>>      { PIPE_FORMAT_R11G11B10_FLOAT,       SVGA3D_FORMAT_INVALID,      SVGA3D_R11G11B10_FLOAT,      TF_GEN_MIPS },
>>      { PIPE_FORMAT_R9G9B9E5_FLOAT,        SVGA3D_FORMAT_INVALID,      SVGA3D_R9G9B9E5_SHAREDEXP,   0 },
>> @@ -363,6 +361,8 @@ static const struct vgpu10_format_entry format_conversion_table[] =
>>      { PIPE_FORMAT_ASTC_12x12_SRGB,       SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_P016,                  SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>      { PIPE_FORMAT_R10G10B10X2_UNORM,     SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>> +   { PIPE_FORMAT_A1B5G5R5_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>> +   { PIPE_FORMAT_X1B5G5R5_UNORM,        SVGA3D_FORMAT_INVALID,      SVGA3D_FORMAT_INVALID,       0 },
>>   };
>>
>>
>> --
>> 1.9.1
>>