From 792bab24ac33f6614d549cfaca219a3855908e0d Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Sun, 17 Jan 2016 04:32:42 -0500 Subject: [PATCH] st/mesa: add support for memory barrier intrinsics MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilia Mirkin Reviewed-by: Marek Olšák (v2) v1 -> v2: use TGSI_MEMBAR defines --- src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 42d97ab41b8..baf3504457a 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -449,6 +449,7 @@ public: void visit_atomic_counter_intrinsic(ir_call *); void visit_ssbo_intrinsic(ir_call *); + void visit_membar_intrinsic(ir_call *); st_src_reg result; @@ -3296,6 +3297,40 @@ glsl_to_tgsi_visitor::visit_ssbo_intrinsic(ir_call *ir) } while (inst && inst->buffer.file == PROGRAM_UNDEFINED && inst->op == op); } +void +glsl_to_tgsi_visitor::visit_membar_intrinsic(ir_call *ir) +{ + const char *callee = ir->callee->function_name(); + + if (!strcmp("__intrinsic_memory_barrier", callee)) + emit_asm(ir, TGSI_OPCODE_MEMBAR, undef_dst, + st_src_reg_for_int(TGSI_MEMBAR_SHADER_BUFFER | + TGSI_MEMBAR_ATOMIC_BUFFER | + TGSI_MEMBAR_SHADER_IMAGE | + TGSI_MEMBAR_SHARED)); + else if (!strcmp("__intrinsic_memory_barrier_atomic_counter", callee)) + emit_asm(ir, TGSI_OPCODE_MEMBAR, undef_dst, + st_src_reg_for_int(TGSI_MEMBAR_ATOMIC_BUFFER)); + else if (!strcmp("__intrinsic_memory_barrier_buffer", callee)) + emit_asm(ir, TGSI_OPCODE_MEMBAR, undef_dst, + st_src_reg_for_int(TGSI_MEMBAR_SHADER_BUFFER)); + else if (!strcmp("__intrinsic_memory_barrier_image", callee)) + emit_asm(ir, TGSI_OPCODE_MEMBAR, undef_dst, + st_src_reg_for_int(TGSI_MEMBAR_SHADER_IMAGE)); + else if (!strcmp("__intrinsic_memory_barrier_shared", callee)) + emit_asm(ir, TGSI_OPCODE_MEMBAR, undef_dst, + st_src_reg_for_int(TGSI_MEMBAR_SHARED)); + else if (!strcmp("__intrinsic_group_memory_barrier", callee)) + emit_asm(ir, TGSI_OPCODE_MEMBAR, undef_dst, + st_src_reg_for_int(TGSI_MEMBAR_SHADER_BUFFER | + TGSI_MEMBAR_ATOMIC_BUFFER | + TGSI_MEMBAR_SHADER_IMAGE | + TGSI_MEMBAR_SHARED | + TGSI_MEMBAR_THREAD_GROUP)); + else + assert(!"Unexpected memory barrier intrinsic"); +} + void glsl_to_tgsi_visitor::visit(ir_call *ir) { @@ -3327,6 +3362,16 @@ glsl_to_tgsi_visitor::visit(ir_call *ir) return; } + if (!strcmp("__intrinsic_memory_barrier", callee) || + !strcmp("__intrinsic_memory_barrier_atomic_counter", callee) || + !strcmp("__intrinsic_memory_barrier_buffer", callee) || + !strcmp("__intrinsic_memory_barrier_image", callee) || + !strcmp("__intrinsic_memory_barrier_shared", callee) || + !strcmp("__intrinsic_group_memory_barrier", callee)) { + visit_membar_intrinsic(ir); + return; + } + entry = get_function_signature(sig); /* Process in parameters. */ foreach_two_lists(formal_node, &sig->parameters, -- 2.30.2