From 21d5c1be6a334b924ac3dcedbdc35285e0c1ba16 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Sat, 6 Aug 2016 09:11:10 -0700 Subject: [PATCH] isl: Add a helper for getting a depth format from an isl_format Signed-off-by: Jason Ekstrand Reviewed-by: Kenneth Graunke --- src/intel/isl/isl.h | 2 ++ src/intel/isl/isl_format.c | 24 ++++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h index 19673f899d9..4caf0e8324c 100644 --- a/src/intel/isl/isl.h +++ b/src/intel/isl/isl.h @@ -1016,6 +1016,8 @@ isl_format_has_int_channel(enum isl_format fmt) unsigned isl_format_get_num_channels(enum isl_format fmt); +uint32_t isl_format_get_depth_format(enum isl_format fmt, bool has_stencil); + static inline bool isl_format_is_compressed(enum isl_format fmt) { diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c index e0b91bb05c0..ef1324c370a 100644 --- a/src/intel/isl/isl_format.c +++ b/src/intel/isl/isl_format.c @@ -476,6 +476,30 @@ isl_format_get_num_channels(enum isl_format fmt) (fmtl->channels.i.bits > 0); } +uint32_t +isl_format_get_depth_format(enum isl_format fmt, bool has_stencil) +{ + switch (fmt) { + default: + unreachable("bad isl depth format"); + case ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS: + assert(has_stencil); + return 0; /* D32_FLOAT_S8X24_UINT */ + case ISL_FORMAT_R32_FLOAT: + assert(!has_stencil); + return 1; /* D32_FLOAT */ + case ISL_FORMAT_R24_UNORM_X8_TYPELESS: + if (has_stencil) { + return 2; /* D24_UNORM_S8_UINT */ + } else { + return 3; /* D24_UNORM_X8_UINT */ + } + case ISL_FORMAT_R16_UNORM: + assert(!has_stencil); + return 5; /* D16_UNORM */ + } +} + enum isl_format isl_format_rgb_to_rgba(enum isl_format rgb) { -- 2.30.2