diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 0696020c416..816396bf86f 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1208,6 +1208,50 @@ static LLVMValueRef fetch_input_tcs( return lds_load(bld_base, tgsi2llvmtype(bld_base, type), swizzle, dw_addr); } +static LLVMValueRef si_nir_load_input_tcs(struct ac_shader_abi *abi, + LLVMValueRef vertex_index, + LLVMValueRef param_index, + unsigned const_index, + unsigned location, + unsigned driver_location, + unsigned component, + unsigned num_components, + bool is_patch, + bool is_compact) +{ + struct si_shader_context *ctx = si_shader_context_from_abi(abi); + struct tgsi_shader_info *info = &ctx->shader->selector->info; + struct lp_build_tgsi_context *bld_base = &ctx->bld_base; + LLVMValueRef dw_addr, stride; + + driver_location = driver_location / 4; + + stride = get_tcs_in_vertex_dw_stride(ctx); + dw_addr = get_tcs_in_current_patch_offset(ctx); + + if (param_index) { + /* Add the constant index to the indirect index */ + param_index = LLVMBuildAdd(ctx->ac.builder, param_index, + LLVMConstInt(ctx->i32, const_index, 0), ""); + } else { + param_index = LLVMConstInt(ctx->i32, const_index, 0); + } + + dw_addr = get_dw_address_from_generic_indices(ctx, stride, dw_addr, + vertex_index, param_index, + driver_location, + info->input_semantic_name, + info->input_semantic_index, + is_patch); + + LLVMValueRef value[4]; + for (unsigned i = 0; i < num_components + component; i++) { + value[i] = lds_load(bld_base, ctx->i32, i, dw_addr); + } + + return ac_build_varying_gather_values(&ctx->ac, value, num_components, component); +} + static LLVMValueRef fetch_output_tcs( struct lp_build_tgsi_context *bld_base, const struct tgsi_full_src_register *reg, @@ -5778,6 +5822,7 @@ static bool si_compile_tgsi_main(struct si_shader_context *ctx, break; case PIPE_SHADER_TESS_CTRL: bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_tcs; + ctx->abi.load_tess_inputs = si_nir_load_input_tcs; bld_base->emit_fetch_funcs[TGSI_FILE_OUTPUT] = fetch_output_tcs; bld_base->emit_store = store_output_tcs; bld_base->emit_epilogue = si_llvm_emit_tcs_epilogue; |