diff options
Diffstat (limited to 'src/shader_recompiler/backend')
| -rw-r--r-- | src/shader_recompiler/backend/spirv/spirv_emit_context.cpp | 60 |
1 files changed, 38 insertions, 22 deletions
diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp index ed023fcfe..89ebab08e 100644 --- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp @@ -96,9 +96,9 @@ Id ImageType(EmitContext& ctx, const ImageDescriptor& desc, Id sampled_type) { } Id DefineVariable(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin, - spv::StorageClass storage_class) { + spv::StorageClass storage_class, std::optional<Id> initializer = std::nullopt) { const Id pointer_type{ctx.TypePointer(storage_class, type)}; - const Id id{ctx.AddGlobalVariable(pointer_type, storage_class)}; + const Id id{ctx.AddGlobalVariable(pointer_type, storage_class, initializer)}; if (builtin) { ctx.Decorate(id, spv::Decoration::BuiltIn, *builtin); } @@ -144,11 +144,12 @@ Id DefineInput(EmitContext& ctx, Id type, bool per_invocation, } Id DefineOutput(EmitContext& ctx, Id type, std::optional<u32> invocations, - std::optional<spv::BuiltIn> builtin = std::nullopt) { + std::optional<spv::BuiltIn> builtin = std::nullopt, + std::optional<Id> initializer = std::nullopt) { if (invocations && ctx.stage == Stage::TessellationControl) { type = ctx.TypeArray(type, ctx.Const(*invocations)); } - return DefineVariable(ctx, type, builtin, spv::StorageClass::Output); + return DefineVariable(ctx, type, builtin, spv::StorageClass::Output, initializer); } void DefineGenericOutput(EmitContext& ctx, size_t index, std::optional<u32> invocations) { @@ -811,10 +812,14 @@ void EmitContext::DefineAttributeMemAccess(const Info& info) { labels.push_back(OpLabel()); } if (info.stores.ClipDistances()) { - literals.push_back(static_cast<u32>(IR::Attribute::ClipDistance0) >> 2); - labels.push_back(OpLabel()); - literals.push_back(static_cast<u32>(IR::Attribute::ClipDistance4) >> 2); - labels.push_back(OpLabel()); + if (profile.max_user_clip_distances >= 4) { + literals.push_back(static_cast<u32>(IR::Attribute::ClipDistance0) >> 2); + labels.push_back(OpLabel()); + } + if (profile.max_user_clip_distances >= 8) { + literals.push_back(static_cast<u32>(IR::Attribute::ClipDistance4) >> 2); + labels.push_back(OpLabel()); + } } OpSelectionMerge(end_block, spv::SelectionControlMask::MaskNone); OpSwitch(compare_index, default_label, literals, labels); @@ -843,17 +848,21 @@ void EmitContext::DefineAttributeMemAccess(const Info& info) { ++label_index; } if (info.stores.ClipDistances()) { - AddLabel(labels[label_index]); - const Id pointer{OpAccessChain(output_f32, clip_distances, masked_index)}; - OpStore(pointer, store_value); - OpReturn(); - ++label_index; - AddLabel(labels[label_index]); - const Id fixed_index{OpIAdd(U32[1], masked_index, Const(4U))}; - const Id pointer2{OpAccessChain(output_f32, clip_distances, fixed_index)}; - OpStore(pointer2, store_value); - OpReturn(); - ++label_index; + if (profile.max_user_clip_distances >= 4) { + AddLabel(labels[label_index]); + const Id pointer{OpAccessChain(output_f32, clip_distances, masked_index)}; + OpStore(pointer, store_value); + OpReturn(); + ++label_index; + } + if (profile.max_user_clip_distances >= 8) { + AddLabel(labels[label_index]); + const Id fixed_index{OpIAdd(U32[1], masked_index, Const(4U))}; + const Id pointer{OpAccessChain(output_f32, clip_distances, fixed_index)}; + OpStore(pointer, store_value); + OpReturn(); + ++label_index; + } } AddLabel(end_block); OpUnreachable(); @@ -1532,9 +1541,16 @@ void EmitContext::DefineOutputs(const IR::Program& program) { if (stage == Stage::Fragment) { throw NotImplementedException("Storing ClipDistance in fragment stage"); } - const Id type{TypeArray( - F32[1], Const(std::min(info.used_clip_distances, profile.max_user_clip_distances)))}; - clip_distances = DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance); + if (profile.max_user_clip_distances > 0) { + const u32 used{std::min(profile.max_user_clip_distances, 8u)}; + const std::array<Id, 8> zero{f32_zero_value, f32_zero_value, f32_zero_value, + f32_zero_value, f32_zero_value, f32_zero_value, + f32_zero_value, f32_zero_value}; + const Id type{TypeArray(F32[1], Const(used))}; + const Id initializer{ConstantComposite(type, std::span(zero).subspan(0, used))}; + clip_distances = + DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance, initializer); + } } if (info.stores[IR::Attribute::Layer] && (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) { |