[Mesa-dev] [PATCH 42/92] radeonsi: translate NIR to LLVM

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haehnle at amd.com>

---
 src/amd/common/ac_nir_to_llvm.h                   |  2 +-
 src/gallium/drivers/radeonsi/si_shader.c          | 13 ++++++++++---
 src/gallium/drivers/radeonsi/si_shader_internal.h |  2 ++
 src/gallium/drivers/radeonsi/si_shader_nir.c      |  9 +++++++++
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.h b/src/amd/common/ac_nir_to_llvm.h
index e0ed7f8..4c8b46b 100644
--- a/src/amd/common/ac_nir_to_llvm.h
+++ b/src/amd/common/ac_nir_to_llvm.h
@@ -23,21 +23,21 @@
 
 #ifndef AC_NIR_TO_LLVM_H
 #define AC_NIR_TO_LLVM_H
 
 #include <stdbool.h>
 #include "llvm-c/Core.h"
 #include "llvm-c/TargetMachine.h"
 #include "amd_family.h"
 #include "../vulkan/radv_descriptor_set.h"
 #include "ac_shader_info.h"
-#include "shader_enums.h"
+#include "compiler/shader_enums.h"
 struct ac_shader_binary;
 struct ac_shader_config;
 struct nir_shader;
 struct radv_pipeline_layout;
 
 struct ac_llvm_context;
 struct ac_shader_abi;
 
 struct ac_vs_variant_key {
 	uint32_t instance_rate_inputs;
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 4641220..52e6e0d 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -5566,23 +5566,30 @@ static bool si_compile_tgsi_main(struct si_shader_context *ctx,
 						ctx->i32, "");
 		}
 	}
 
 	if (ctx->type == PIPE_SHADER_FRAGMENT && sel->info.uses_kill &&
 	    ctx->screen->b.debug_flags & DBG_FS_CORRECT_DERIVS_AFTER_KILL) {
 		/* This is initialized to 0.0 = not kill. */
 		ctx->postponed_kill = lp_build_alloca(&ctx->gallivm, ctx->f32, "");
 	}
 
-	if (!lp_build_tgsi_llvm(bld_base, sel->tokens)) {
-		fprintf(stderr, "Failed to translate shader from TGSI to LLVM\n");
-		return false;
+	if (sel->tokens) {
+		if (!lp_build_tgsi_llvm(bld_base, sel->tokens)) {
+			fprintf(stderr, "Failed to translate shader from TGSI to LLVM\n");
+			return false;
+		}
+	} else {
+		if (!si_nir_build_llvm(ctx, sel->nir)) {
+			fprintf(stderr, "Failed to translate shader from NIR to LLVM\n");
+			return false;
+		}
 	}
 
 	si_llvm_build_ret(ctx, ctx->return_value);
 	return true;
 }
 
 /**
  * Compute the VS prolog key, which contains all the information needed to
  * build the VS prolog function, and set shader->info bits where needed.
  *
diff --git a/src/gallium/drivers/radeonsi/si_shader_internal.h b/src/gallium/drivers/radeonsi/si_shader_internal.h
index 90a70b1..2054a73 100644
--- a/src/gallium/drivers/radeonsi/si_shader_internal.h
+++ b/src/gallium/drivers/radeonsi/si_shader_internal.h
@@ -299,11 +299,13 @@ void si_emit_waitcnt(struct si_shader_context *ctx, unsigned simm16);
 
 LLVMValueRef si_get_bounded_indirect_index(struct si_shader_context *ctx,
 					   const struct tgsi_ind_register *ind,
 					   int rel_index, unsigned num);
 
 LLVMTypeRef si_const_array(LLVMTypeRef elem_type, int num_elements);
 
 void si_shader_context_init_alu(struct lp_build_tgsi_context *bld_base);
 void si_shader_context_init_mem(struct si_shader_context *ctx);
 
+bool si_nir_build_llvm(struct si_shader_context *ctx, struct nir_shader *nir);
+
 #endif
diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 2278c62..cc7517b 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -15,20 +15,23 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
 #include "si_shader.h"
+#include "si_shader_internal.h"
+
+#include "ac_nir_to_llvm.h"
 
 #include "tgsi/tgsi_from_mesa.h"
 
 #include "compiler/nir/nir.h"
 #include "compiler/nir_types.h"
 
 
 static void scan_instruction(struct tgsi_shader_info *info,
 			     nir_instr *instr)
 {
@@ -303,10 +306,16 @@ void si_nir_scan_shader(const struct nir_shader *nir,
 	info->const_buffers_declared = u_bit_consecutive(0, SI_NUM_CONST_BUFFERS);
 	info->shader_buffers_declared = u_bit_consecutive(0, SI_NUM_SHADER_BUFFERS);
 
 	func = (struct nir_function *)exec_list_get_head_const(&nir->functions);
 	nir_foreach_block(block, func->impl) {
 		nir_foreach_instr(instr, block)
 			scan_instruction(info, instr);
 	}
 }
 
+bool si_nir_build_llvm(struct si_shader_context *ctx, struct nir_shader *nir)
+{
+	ac_nir_translate(&ctx->ac, &ctx->abi, nir, NULL);
+
+	return true;
+}
-- 
2.9.3