diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 57bc7d3..e6a4f3d 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1280,6 +1280,25 @@ static void declare_system_value( break; } + case TGSI_SEMANTIC_DEFAULT_TESSOUTER_SI: + case TGSI_SEMANTIC_DEFAULT_TESSINNER_SI: + { + LLVMValueRef buf, slot, val[4]; + int i, offset; + + slot = lp_build_const_int32(gallivm, SI_HS_CONST_DEFAULT_TESS_LEVELS); + buf = LLVMGetParam(ctx->radeon_bld.main_fn, SI_PARAM_RW_BUFFERS); + buf = build_indexed_load_const(ctx, buf, slot); + offset = decl->Semantic.Name == TGSI_SEMANTIC_DEFAULT_TESSINNER_SI ? 4 : 0; + + for (i = 0; i < 4; i++) + val[i] = buffer_load_const(gallivm->builder, buf, + lp_build_const_int32(gallivm, (offset + i) * 4), + ctx->f32); + value = lp_build_gather_values(gallivm, val, 4); + break; + } + case TGSI_SEMANTIC_PRIMID: value = get_primitive_id(&radeon_bld->soa.bld_base, 0); break; |