From 02873a7b0c2cef5278f97b85d28fc578eb1de42f Mon Sep 17 00:00:00 2001 From: Tom Stellard Date: Tue, 17 May 2016 14:48:42 +0000 Subject: [PATCH] radeon/llvm: Add helpers for loading and storing data from arrays. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Marek Olšák --- .../drivers/radeon/radeon_setup_tgsi_llvm.c | 51 +++++++++++++++---- 1 file changed, 41 insertions(+), 10 deletions(-) diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c index 13ae1b3bcbe..3def486883d 100644 --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c @@ -160,6 +160,43 @@ emit_array_fetch( return result; } +static LLVMValueRef +load_value_from_array( + struct lp_build_tgsi_context *bld_base, + unsigned file, + enum tgsi_opcode_type type, + unsigned swizzle, + unsigned reg_index, + const struct tgsi_ind_register *reg_indirect) +{ + struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); + LLVMBuilderRef builder = bld_base->base.gallivm->builder; + struct tgsi_declaration_range range = get_array_range(bld_base, file, reg_indirect); + + return LLVMBuildExtractElement(builder, + emit_array_fetch(bld_base, file, type, range, swizzle), + emit_array_index(bld, reg_indirect, reg_index - range.First), ""); + +} + +static LLVMValueRef store_value_to_array( + struct lp_build_tgsi_context *bld_base, + LLVMValueRef value, + unsigned file, + unsigned chan_index, + unsigned reg_index, + const struct tgsi_ind_register *reg_indirect) +{ + struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); + LLVMBuilderRef builder = bld_base->base.gallivm->builder; + struct tgsi_declaration_range range = get_array_range(bld_base, file, reg_indirect); + + return LLVMBuildInsertElement(builder, + emit_array_fetch(bld_base, file, TGSI_TYPE_FLOAT, range, chan_index), + value, emit_array_index(bld, reg_indirect, reg_index - range.First), ""); + return NULL; +} + LLVMValueRef radeon_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base, const struct tgsi_full_src_register *reg, enum tgsi_opcode_type type, @@ -181,12 +218,8 @@ LLVMValueRef radeon_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base, } if (reg->Register.Indirect) { - struct tgsi_declaration_range range = get_array_range(bld_base, - reg->Register.File, ®->Indirect); - return LLVMBuildExtractElement(builder, - emit_array_fetch(bld_base, reg->Register.File, type, range, swizzle), - emit_array_index(bld, ®->Indirect, reg->Register.Index - range.First), - ""); + return load_value_from_array(bld_base, reg->Register.File, type, + swizzle, reg->Register.Index, ®->Indirect); } switch(reg->Register.File) { @@ -430,10 +463,8 @@ void radeon_llvm_emit_store( reg->Register.File, ®->Indirect); unsigned i, size = range.Last - range.First + 1; - LLVMValueRef array = LLVMBuildInsertElement(builder, - emit_array_fetch(bld_base, reg->Register.File, TGSI_TYPE_FLOAT, range, chan_index), - value, emit_array_index(bld, ®->Indirect, reg->Register.Index - range.First), ""); - + LLVMValueRef array = store_value_to_array(bld_base, value, reg->Register.File, chan_index, + reg->Register.Index, ®->Indirect); for (i = 0; i < size; ++i) { switch(reg->Register.File) { case TGSI_FILE_OUTPUT: -- 2.30.2