diff options
Diffstat (limited to 'src/amd/vulkan/radv_shader.c')
| -rw-r--r-- | src/amd/vulkan/radv_shader.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c index 648fb6586f7..7568d59056c 100644 --- a/src/amd/vulkan/radv_shader.c +++ b/src/amd/vulkan/radv_shader.c @@ -124,6 +124,10 @@ radv_optimize_nir(struct nir_shader *shader, bool optimize_conservatively, bool allow_copies) { bool progress; + unsigned lower_flrp = + (shader->options->lower_flrp16 ? 16 : 0) | + (shader->options->lower_flrp32 ? 32 : 0) | + (shader->options->lower_flrp64 ? 64 : 0); do { progress = false; @@ -164,6 +168,27 @@ radv_optimize_nir(struct nir_shader *shader, bool optimize_conservatively, NIR_PASS(progress, shader, nir_opt_peephole_select, 8, true, true); NIR_PASS(progress, shader, nir_opt_algebraic); NIR_PASS(progress, shader, nir_opt_constant_folding); + + if (lower_flrp != 0) { + bool lower_flrp_progress; + NIR_PASS(lower_flrp_progress, + shader, + nir_lower_flrp, + lower_flrp, + false /* always_precise */, + shader->options->lower_ffma); + if (lower_flrp_progress) { + NIR_PASS(progress, shader, + nir_opt_constant_folding); + progress = true; + } + + /* Nothing should rematerialize any flrps, so we only + * need to do this lowering once. + */ + lower_flrp = 0; + } + NIR_PASS(progress, shader, nir_opt_undef); NIR_PASS(progress, shader, nir_opt_conditional_discard); if (shader->options->max_unroll_iterations) { |