Module: Mesa
Branch: master
Commit: 8be0135082c303515d83b825a3dd0b0182908d4e
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=8be0135082c303515d83b825a3dd0b0182908d4e
Author: Timothy Arceri <tarc...@itsqueeze.com>
Date: Tue Dec 5 12:56:12 2017 +1100
radeonsi: add si_nir_load_input_tcs()
V2: drop type param and just use ctx->i32
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_shader.c | 45 ++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 0696020c41..816396bf86 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;
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