diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index a24fecd17b4..2f9f907edd6 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -1089,6 +1089,19 @@ scale_bits(struct gallivm_state *gallivm, return result; } +/** + * If RT is a smallfloat (needing denorms) format + */ +static INLINE int +have_smallfloat_format(struct lp_type dst_type, + enum pipe_format format) +{ + return ((dst_type.floating && dst_type.width != 32) || + /* due to format handling hacks this format doesn't have floating set + * here (and actually has width set to 32 too) so special case this. */ + (format == PIPE_FORMAT_R11G11B10_FLOAT)); +} + /** * Convert from memory format to blending format @@ -1593,7 +1606,7 @@ generate_unswizzled_blend(struct gallivm_state *gallivm, * this, otherwise half-float format conversions won't work * (again due to llvm bug #6393). */ - if (dst_type.floating && dst_type.width != 32) { + if (have_smallfloat_format(dst_type, out_format)) { /* We need to make sure that denorms are ok for half float conversions */ fpstate = lp_build_fpstate_get(gallivm); @@ -2091,7 +2104,7 @@ generate_unswizzled_blend(struct gallivm_state *gallivm, dst, dst_type, dst_count, dst_alignment); } - if (dst_type.floating && dst_type.width != 32) { + if (have_smallfloat_format(dst_type, out_format)) { lp_build_fpstate_set(gallivm, fpstate); } |