diff options
Diffstat (limited to 'src/shader_recompiler/backend')
3 files changed, 39 insertions, 11 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp index db9c94ce8..1590debc4 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp @@ -321,8 +321,11 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { case IR::Attribute::PositionY: case IR::Attribute::PositionZ: case IR::Attribute::PositionW: - return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, - ctx.Const(element))); + return ctx.OpLoad(ctx.F32[1], ctx.need_input_position_indirect ? + AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, + ctx.u32_zero_value, ctx.Const(element)) + : AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, + ctx.Const(element))); case IR::Attribute::InstanceId: if (ctx.profile.support_vertex_instance_id) { return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_id)); diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp index ecb2db494..eb1e3e0b6 100644 --- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp @@ -721,9 +721,21 @@ void EmitContext::DefineAttributeMemAccess(const Info& info) { size_t label_index{0}; if (info.loads.AnyComponent(IR::Attribute::PositionX)) { AddLabel(labels[label_index]); - const Id pointer{is_array - ? OpAccessChain(input_f32, input_position, vertex, masked_index) - : OpAccessChain(input_f32, input_position, masked_index)}; + const Id pointer{[&]() { + if (need_input_position_indirect) { + if (is_array) + return OpAccessChain(input_f32, input_position, vertex, u32_zero_value, + masked_index); + else + return OpAccessChain(input_f32, input_position, u32_zero_value, + masked_index); + } else { + if (is_array) + return OpAccessChain(input_f32, input_position, vertex, masked_index); + else + return OpAccessChain(input_f32, input_position, masked_index); + } + }()}; const Id result{OpLoad(F32[1], pointer)}; OpReturnValue(result); ++label_index; @@ -1367,12 +1379,24 @@ void EmitContext::DefineInputs(const IR::Program& program) { Decorate(layer, spv::Decoration::Flat); } if (loads.AnyComponent(IR::Attribute::PositionX)) { - const bool is_fragment{stage != Stage::Fragment}; - const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord}; - input_position = DefineInput(*this, F32[4], true, built_in); - if (profile.support_geometry_shader_passthrough) { - if (info.passthrough.AnyComponent(IR::Attribute::PositionX)) { - Decorate(input_position, spv::Decoration::PassthroughNV); + const bool is_fragment{stage == Stage::Fragment}; + if (!is_fragment && profile.has_broken_spirv_position_input) { + need_input_position_indirect = true; + + const Id input_position_struct = TypeStruct(F32[4]); + input_position = DefineInput(*this, input_position_struct, true); + + MemberDecorate(input_position_struct, 0, spv::Decoration::BuiltIn, + static_cast<unsigned>(spv::BuiltIn::Position)); + Decorate(input_position_struct, spv::Decoration::Block); + } else { + const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::FragCoord : spv::BuiltIn::Position}; + input_position = DefineInput(*this, F32[4], true, built_in); + + if (profile.support_geometry_shader_passthrough) { + if (info.passthrough.AnyComponent(IR::Attribute::PositionX)) { + Decorate(input_position, spv::Decoration::PassthroughNV); + } } } } diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.h b/src/shader_recompiler/backend/spirv/spirv_emit_context.h index 4414a5169..dbc5c55b9 100644 --- a/src/shader_recompiler/backend/spirv/spirv_emit_context.h +++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.h @@ -280,6 +280,7 @@ public: Id write_global_func_u32x2{}; Id write_global_func_u32x4{}; + bool need_input_position_indirect{}; Id input_position{}; std::array<Id, 32> input_generics{}; |