KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

isl: Add helper to return render compression format encoding 

v2:
- Fix typo (Marcin)
- Fix comment (Nanley)

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12686>
This commit is contained in:
Sagar Ghuge 2021-02-24 23:23:57 -08:00 committed by Marge Bot
parent e5265c023d
commit dd54e9125a
2 changed files with 101 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
src/intel/isl/isl.c
View File

@ -3403,3 +3403,103 @@ isl_format_get_aux_map_encoding(enum isl_format format)
return 0;
}
}
/*
* Returns compression format encoding for Unified Lossless Compression
*/
uint8_t
isl_get_render_compression_format(enum isl_format format)
{
/* From the Bspec, Enumeration_RenderCompressionFormat section (53726): */
switch(format) {
case ISL_FORMAT_R32G32B32A32_FLOAT:
case ISL_FORMAT_R32G32B32X32_FLOAT:
case ISL_FORMAT_R32G32B32A32_SINT:
return 0x0;
case ISL_FORMAT_R32G32B32A32_UINT:
return 0x1;
case ISL_FORMAT_R32G32_FLOAT:
case ISL_FORMAT_R32G32_SINT:
return 0x2;
case ISL_FORMAT_R32G32_UINT:
return 0x3;
case ISL_FORMAT_R16G16B16A16_UNORM:
case ISL_FORMAT_R16G16B16X16_UNORM:
case ISL_FORMAT_R16G16B16A16_UINT:
return 0x4;
case ISL_FORMAT_R16G16B16A16_SNORM:
case ISL_FORMAT_R16G16B16A16_SINT:
case ISL_FORMAT_R16G16B16A16_FLOAT:
case ISL_FORMAT_R16G16B16X16_FLOAT:
return 0x5;
case ISL_FORMAT_R16G16_UNORM:
case ISL_FORMAT_R16G16_UINT:
return 0x6;
case ISL_FORMAT_R16G16_SNORM:
case ISL_FORMAT_R16G16_SINT:
case ISL_FORMAT_R16G16_FLOAT:
return 0x7;
case ISL_FORMAT_B8G8R8A8_UNORM:
case ISL_FORMAT_B8G8R8X8_UNORM:
case ISL_FORMAT_B8G8R8A8_UNORM_SRGB:
case ISL_FORMAT_B8G8R8X8_UNORM_SRGB:
case ISL_FORMAT_R8G8B8A8_UNORM:
case ISL_FORMAT_R8G8B8X8_UNORM:
case ISL_FORMAT_R8G8B8A8_UNORM_SRGB:
case ISL_FORMAT_R8G8B8X8_UNORM_SRGB:
case ISL_FORMAT_R8G8B8A8_UINT:
return 0x8;
case ISL_FORMAT_R8G8B8A8_SNORM:
case ISL_FORMAT_R8G8B8A8_SINT:
return 0x9;
case ISL_FORMAT_B5G6R5_UNORM:
case ISL_FORMAT_B5G6R5_UNORM_SRGB:
case ISL_FORMAT_B5G5R5A1_UNORM:
case ISL_FORMAT_B5G5R5A1_UNORM_SRGB:
case ISL_FORMAT_B4G4R4A4_UNORM:
case ISL_FORMAT_B4G4R4A4_UNORM_SRGB:
case ISL_FORMAT_B5G5R5X1_UNORM:
case ISL_FORMAT_B5G5R5X1_UNORM_SRGB:
case ISL_FORMAT_A1B5G5R5_UNORM:
case ISL_FORMAT_A4B4G4R4_UNORM:
case ISL_FORMAT_R8G8_UNORM:
case ISL_FORMAT_R8G8_UINT:
return 0xA;
case ISL_FORMAT_R8G8_SNORM:
case ISL_FORMAT_R8G8_SINT:
return 0xB;
case ISL_FORMAT_R10G10B10A2_UNORM:
case ISL_FORMAT_R10G10B10A2_UNORM_SRGB:
case ISL_FORMAT_R10G10B10_FLOAT_A2_UNORM:
case ISL_FORMAT_R10G10B10A2_UINT:
case ISL_FORMAT_B10G10R10A2_UNORM:
case ISL_FORMAT_B10G10R10X2_UNORM:
case ISL_FORMAT_B10G10R10A2_UNORM_SRGB:
return 0xC;
case ISL_FORMAT_R11G11B10_FLOAT:
return 0xD;
case ISL_FORMAT_R32_SINT:
case ISL_FORMAT_R32_FLOAT:
return 0x10;
case ISL_FORMAT_R32_UINT:
case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
return 0x11;
case ISL_FORMAT_R16_UNORM:
case ISL_FORMAT_R16_UINT:
return 0x14;
case ISL_FORMAT_R16_SNORM:
case ISL_FORMAT_R16_SINT:
case ISL_FORMAT_R16_FLOAT:
return 0x15;
case ISL_FORMAT_R8_UNORM:
case ISL_FORMAT_R8_UINT:
case ISL_FORMAT_A8_UNORM:
return 0x18;
case ISL_FORMAT_R8_SNORM:
case ISL_FORMAT_R8_SINT:
return 0x19;
default:
unreachable("Unsupported render compression format!");
return 0;
}
}

1
src/intel/isl/isl.h
View File

@ -1820,6 +1820,7 @@ bool isl_formats_are_ccs_e_compatible(const struct intel_device_info *devinfo,
enum isl_format format1,
enum isl_format format2);
uint8_t isl_format_get_aux_map_encoding(enum isl_format format);
uint8_t isl_get_render_compression_format(enum isl_format format);
bool isl_format_has_unorm_channel(enum isl_format fmt) ATTRIBUTE_CONST;
bool isl_format_has_snorm_channel(enum isl_format fmt) ATTRIBUTE_CONST;