diff options
Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/backend/spirv/spirv_emit_context.cpp | 62 |
1 files changed, 60 insertions, 2 deletions
diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp index cd90c084a..9c83cd2e4 100644 --- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp @@ -4,8 +4,8 @@ #include <algorithm> #include <array> +#include <bit> #include <climits> -#include <string_view> #include <boost/container/static_vector.hpp> @@ -464,6 +464,7 @@ EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_inf DefineSharedMemory(program); DefineSharedMemoryFunctions(program); DefineConstantBuffers(program.info, uniform_binding); + DefineConstantBufferIndirectFunctions(program.info); DefineStorageBuffers(program.info, storage_binding); DefineTextureBuffers(program.info, texture_binding); DefineImageBuffers(program.info, image_binding); @@ -993,7 +994,7 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) { } return; } - IR::Type types{info.used_constant_buffer_types}; + IR::Type types{info.used_constant_buffer_types | info.used_indirect_cbuf_types}; if (True(types & IR::Type::U8)) { if (profile.support_int8) { DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8)); @@ -1027,6 +1028,63 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) { binding += static_cast<u32>(info.constant_buffer_descriptors.size()); } +void EmitContext::DefineConstantBufferIndirectFunctions(const Info& info) { + if (!info.uses_cbuf_indirect) { + return; + } + const auto make_accessor{[&](Id buffer_type, Id UniformDefinitions::*member_ptr) { + const Id func_type{TypeFunction(buffer_type, U32[1], U32[1])}; + const Id func{OpFunction(buffer_type, spv::FunctionControlMask::MaskNone, func_type)}; + const Id binding{OpFunctionParameter(U32[1])}; + const Id offset{OpFunctionParameter(U32[1])}; + + AddLabel(); + + const Id merge_label{OpLabel()}; + const Id uniform_type{uniform_types.*member_ptr}; + + std::array<Id, Info::MAX_INDIRECT_CBUFS> buf_labels; + std::array<Sirit::Literal, Info::MAX_INDIRECT_CBUFS> buf_literals; + for (u32 i = 0; i < Info::MAX_INDIRECT_CBUFS; i++) { + buf_labels[i] = OpLabel(); + buf_literals[i] = Sirit::Literal{i}; + } + OpSelectionMerge(merge_label, spv::SelectionControlMask::MaskNone); + OpSwitch(binding, buf_labels[0], buf_literals, buf_labels); + for (u32 i = 0; i < Info::MAX_INDIRECT_CBUFS; i++) { + AddLabel(buf_labels[i]); + const Id cbuf{cbufs[i].*member_ptr}; + const Id access_chain{OpAccessChain(uniform_type, cbuf, u32_zero_value, offset)}; + const Id result{OpLoad(buffer_type, access_chain)}; + OpReturnValue(result); + } + AddLabel(merge_label); + OpUnreachable(); + OpFunctionEnd(); + return func; + }}; + IR::Type types{info.used_indirect_cbuf_types}; + bool supports_aliasing = profile.support_descriptor_aliasing; + if (supports_aliasing && True(types & IR::Type::U8)) { + load_const_func_u8 = make_accessor(U8, &UniformDefinitions::U8); + } + if (supports_aliasing && True(types & IR::Type::U16)) { + load_const_func_u16 = make_accessor(U16, &UniformDefinitions::U16); + } + if (supports_aliasing && True(types & IR::Type::F32)) { + load_const_func_f32 = make_accessor(F32[1], &UniformDefinitions::F32); + } + if (supports_aliasing && True(types & IR::Type::U32)) { + load_const_func_u32 = make_accessor(U32[1], &UniformDefinitions::U32); + } + if (supports_aliasing && True(types & IR::Type::U32x2)) { + load_const_func_u32x2 = make_accessor(U32[2], &UniformDefinitions::U32x2); + } + if (!supports_aliasing || True(types & IR::Type::U32x4)) { + load_const_func_u32x4 = make_accessor(U32[4], &UniformDefinitions::U32x4); + } +} + void EmitContext::DefineStorageBuffers(const Info& info, u32& binding) { if (info.storage_buffers_descriptors.empty()) { return; |