From: Marek Olšák <[email protected]>
---
src/gallium/drivers/radeonsi/si_shader.c | 30 +++++++++++++++++++++---------
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 6379ba4..0f10460 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1959,21 +1959,20 @@ handle_semantic:
}
}
-/* This only writes the tessellation factor levels. */
-static void si_llvm_emit_tcs_epilogue(struct lp_build_tgsi_context *bld_base)
+static void si_write_tess_factors(struct lp_build_tgsi_context *bld_base,
+ LLVMValueRef rel_patch_id,
+ LLVMValueRef invocation_id,
+ LLVMValueRef
tcs_out_current_patch_data_offset)
{
struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
struct gallivm_state *gallivm = bld_base->base.gallivm;
struct si_shader *shader = si_shader_ctx->shader;
unsigned tess_inner_index, tess_outer_index;
- LLVMValueRef lds_base, lds_inner, lds_outer;
- LLVMValueRef tf_base, rel_patch_id, byteoffset, buffer, rw_buffers;
- LLVMValueRef out[6], vec0, vec1, invocation_id;
+ LLVMValueRef lds_base, lds_inner, lds_outer, byteoffset, buffer;
+ LLVMValueRef out[6], vec0, vec1, rw_buffers, tf_base;
unsigned stride, outer_comps, inner_comps, i;
struct lp_build_if_state if_ctx;
- invocation_id = unpack_param(si_shader_ctx, SI_PARAM_REL_IDS, 8, 5);
-
/* Do this only for invocation 0, because the tess levels are per-patch,
* not per-vertex.
*
@@ -2012,7 +2011,7 @@ static void si_llvm_emit_tcs_epilogue(struct
lp_build_tgsi_context *bld_base)
tess_inner_index =
si_shader_io_get_unique_index(TGSI_SEMANTIC_TESSINNER, 0);
tess_outer_index =
si_shader_io_get_unique_index(TGSI_SEMANTIC_TESSOUTER, 0);
- lds_base = get_tcs_out_current_patch_data_offset(si_shader_ctx);
+ lds_base = tcs_out_current_patch_data_offset;
lds_inner = LLVMBuildAdd(gallivm->builder, lds_base,
lp_build_const_int32(gallivm,
tess_inner_index * 4),
"");
@@ -2041,7 +2040,6 @@ static void si_llvm_emit_tcs_epilogue(struct
lp_build_tgsi_context *bld_base)
/* Get the offset. */
tf_base = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
SI_PARAM_TESS_FACTOR_OFFSET);
- rel_patch_id = get_rel_patch_id(si_shader_ctx);
byteoffset = LLVMBuildMul(gallivm->builder, rel_patch_id,
lp_build_const_int32(gallivm, 4 * stride),
"");
@@ -2054,6 +2052,20 @@ static void si_llvm_emit_tcs_epilogue(struct
lp_build_tgsi_context *bld_base)
lp_build_endif(&if_ctx);
}
+/* This only writes the tessellation factor levels. */
+static void si_llvm_emit_tcs_epilogue(struct lp_build_tgsi_context *bld_base)
+{
+ struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+ LLVMValueRef invocation_id;
+
+ invocation_id = unpack_param(si_shader_ctx, SI_PARAM_REL_IDS, 8, 5);
+
+ si_write_tess_factors(bld_base,
+ get_rel_patch_id(si_shader_ctx),
+ invocation_id,
+
get_tcs_out_current_patch_data_offset(si_shader_ctx));
+}
+
static void si_llvm_emit_ls_epilogue(struct lp_build_tgsi_context * bld_base)
{
struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
--
2.1.4
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