diff options
Diffstat (limited to 'src/compiler/nir/nir_lower_tex.c')
| -rw-r--r-- | src/compiler/nir/nir_lower_tex.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_lower_tex.c b/src/compiler/nir/nir_lower_tex.c index 7c6eafed2f9..903b975d6c3 100644 --- a/src/compiler/nir/nir_lower_tex.c +++ b/src/compiler/nir/nir_lower_tex.c @@ -906,6 +906,25 @@ lower_tex_packing(nir_builder *b, nir_tex_instr *tex, } static bool +sampler_index_lt(nir_tex_instr *tex, unsigned max) +{ + assert(nir_tex_instr_src_index(tex, nir_tex_src_sampler_deref) == -1); + + unsigned sampler_index = tex->sampler_index; + + int sampler_offset_idx = + nir_tex_instr_src_index(tex, nir_tex_src_sampler_offset); + if (sampler_offset_idx >= 0) { + if (!nir_src_is_const(tex->src[sampler_offset_idx].src)) + return false; + + sampler_index += nir_src_as_uint(tex->src[sampler_offset_idx].src); + } + + return sampler_index < max; +} + +static bool nir_lower_tex_block(nir_block *block, nir_builder *b, const nir_lower_tex_options *options) { @@ -1026,6 +1045,8 @@ nir_lower_tex_block(nir_block *block, nir_builder *b, (options->lower_txd_shadow && tex->is_shadow) || (options->lower_txd_shadow_clamp && tex->is_shadow && has_min_lod) || (options->lower_txd_offset_clamp && has_offset && has_min_lod) || + (options->lower_txd_clamp_if_sampler_index_not_lt_16 && + has_min_lod && !sampler_index_lt(tex, 16)) || (options->lower_txd_cube_map && tex->sampler_dim == GLSL_SAMPLER_DIM_CUBE) || (options->lower_txd_3d && |