From b2c976ad0e5dbbcae16c419628c144a7f28e0d17 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sun, 19 Jan 2020 16:37:39 -0300 Subject: vk_shader_decompiler: Implement UAtomicAdd (ATOMS) on SPIR-V Also updates sirit to include atomic instructions. --- src/video_core/renderer_vulkan/vk_shader_decompiler.cpp | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'src/video_core/renderer_vulkan') diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp index 0cf97cafa..dd6d2ef03 100644 --- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp +++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp @@ -1796,9 +1796,17 @@ private: return {}; } - Expression UAtomicAdd(Operation) { - UNIMPLEMENTED(); - return {}; + Expression UAtomicAdd(Operation operation) { + const auto& smem = std::get(*operation[0]); + Id address = AsUint(Visit(smem.GetAddress())); + address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U)); + const Id pointer = OpAccessChain(t_smem_uint, shared_memory, address); + + const Id scope = Constant(t_uint, static_cast(spv::Scope::Device)); + const Id semantics = Constant(t_uint, 0U); + + const Id value = AsUint(Visit(operation[1])); + return {OpAtomicIAdd(t_uint, pointer, scope, semantics, value), Type::Uint}; } Expression Branch(Operation operation) { -- cgit v1.2.3