diff options
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c index 91c56a3e631..18afbcb0a2e 100644 --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c @@ -637,6 +637,34 @@ static void uif_emit( if_cond_emit(action, bld_base, emit_data, cond); } +static void kill_if_fetch_args( + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + const struct tgsi_full_instruction * inst = emit_data->inst; + struct gallivm_state *gallivm = bld_base->base.gallivm; + LLVMBuilderRef builder = gallivm->builder; + unsigned i; + LLVMValueRef conds[TGSI_NUM_CHANNELS]; + + for (i = 0; i < TGSI_NUM_CHANNELS; i++) { + LLVMValueRef value = lp_build_emit_fetch(bld_base, inst, 0, i); + conds[i] = LLVMBuildFCmp(builder, LLVMRealOLT, value, + bld_base->base.zero, ""); + } + + /* Or the conditions together */ + for (i = TGSI_NUM_CHANNELS - 1; i > 0; i--) { + conds[i - 1] = LLVMBuildOr(builder, conds[i], conds[i - 1], ""); + } + + emit_data->dst_type = LLVMVoidTypeInContext(gallivm->context); + emit_data->arg_count = 1; + emit_data->args[0] = LLVMBuildSelect(builder, conds[0], + lp_build_const_float(gallivm, -1.0f), + bld_base->base.zero, ""); +} + static void kil_emit( const struct lp_build_tgsi_action * action, struct lp_build_tgsi_context * bld_base, @@ -1467,6 +1495,7 @@ void radeon_llvm_context_init(struct radeon_llvm_context * ctx) bld_base->op_actions[TGSI_OPCODE_ISLT].emit = emit_icmp; bld_base->op_actions[TGSI_OPCODE_ISSG].emit = emit_ssg; bld_base->op_actions[TGSI_OPCODE_I2F].emit = emit_i2f; + bld_base->op_actions[TGSI_OPCODE_KILL_IF].fetch_args = kill_if_fetch_args; bld_base->op_actions[TGSI_OPCODE_KILL_IF].emit = kil_emit; bld_base->op_actions[TGSI_OPCODE_KILL_IF].intr_name = "llvm.AMDGPU.kill"; bld_base->op_actions[TGSI_OPCODE_KILL].emit = lp_build_tgsi_intrinsic; |