From d8ec99dadaa033aa440671572ed38e2614815e11 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Wed, 14 Apr 2021 18:09:18 -0300 Subject: [PATCH] spirv: Implement Layer stores --- .../backend/spirv/emit_context.cpp | 9 ++++++++- .../backend/spirv/emit_context.h | 1 + .../backend/spirv/emit_spirv.cpp | 16 ++++++++++------ .../backend/spirv/emit_spirv_context_get_set.cpp | 9 +++++++-- .../ir_opt/collect_shader_info_pass.cpp | 3 +++ src/shader_recompiler/shader_info.h | 1 + 6 files changed, 30 insertions(+), 9 deletions(-) diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp index 74c42233d..f96d5ae37 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/emit_context.cpp @@ -1050,8 +1050,15 @@ void EmitContext::DefineOutputs(const Info& info) { const Id type{TypeArray(F32[1], Constant(U32[1], 8U))}; clip_distances = DefineOutput(*this, type, spv::BuiltIn::ClipDistance); } + if (info.stores_layer && + (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) { + if (stage == Stage::Fragment) { + throw NotImplementedException("Storing Layer in fragment stage"); + } + layer = DefineOutput(*this, U32[1], spv::BuiltIn::Layer); + } if (info.stores_viewport_index && - (profile.support_viewport_index_layer_non_geometry || stage == Shader::Stage::Geometry)) { + (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) { if (stage == Stage::Fragment) { throw NotImplementedException("Storing ViewportIndex in fragment stage"); } diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h index b27e5540c..1f0d8be77 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.h +++ b/src/shader_recompiler/backend/spirv/emit_context.h @@ -157,6 +157,7 @@ public: Id front_face{}; Id point_coord{}; Id clip_distances{}; + Id layer{}; Id viewport_index{}; Id fswzadd_lut_a{}; diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp index 444ba276f..3bf4c6a9e 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp @@ -124,17 +124,17 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) { const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size()); spv::ExecutionModel execution_model{}; switch (program.stage) { - case Shader::Stage::Compute: { + case Stage::Compute: { const std::array workgroup_size{program.workgroup_size}; execution_model = spv::ExecutionModel::GLCompute; ctx.AddExecutionMode(main, spv::ExecutionMode::LocalSize, workgroup_size[0], workgroup_size[1], workgroup_size[2]); break; } - case Shader::Stage::VertexB: + case Stage::VertexB: execution_model = spv::ExecutionModel::Vertex; break; - case Shader::Stage::Geometry: + case Stage::Geometry: execution_model = spv::ExecutionModel::Geometry; ctx.AddCapability(spv::Capability::Geometry); ctx.AddCapability(spv::Capability::GeometryStreams); @@ -172,7 +172,7 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) { ctx.AddExecutionMode(main, spv::ExecutionMode::OutputVertices, program.output_vertices); ctx.AddExecutionMode(main, spv::ExecutionMode::Invocations, program.invocations); break; - case Shader::Stage::Fragment: + case Stage::Fragment: execution_model = spv::ExecutionModel::Fragment; ctx.AddExecutionMode(main, spv::ExecutionMode::OriginUpperLeft); if (program.info.stores_frag_depth) { @@ -258,10 +258,14 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct ctx.AddExtension("SPV_EXT_demote_to_helper_invocation"); ctx.AddCapability(spv::Capability::DemoteToHelperInvocationEXT); } + if (info.stores_layer) { + ctx.AddCapability(spv::Capability::ShaderLayer); + } if (info.stores_viewport_index) { ctx.AddCapability(spv::Capability::MultiViewport); - if (profile.support_viewport_index_layer_non_geometry && - ctx.stage != Shader::Stage::Geometry) { + } + if (info.stores_layer || info.stores_viewport_index) { + if (profile.support_viewport_index_layer_non_geometry && ctx.stage != Stage::Geometry) { ctx.AddExtension("SPV_EXT_shader_viewport_index_layer"); ctx.AddCapability(spv::Capability::ShaderViewportIndexLayerEXT); } 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 f9c151a5c..59c56c5ba 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 @@ -76,9 +76,14 @@ std::optional OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { const Id clip_num{ctx.Constant(ctx.U32[1], index)}; return ctx.OpAccessChain(ctx.output_f32, ctx.clip_distances, clip_num); } + case IR::Attribute::Layer: + return ctx.profile.support_viewport_index_layer_non_geometry || + ctx.stage == Shader::Stage::Geometry + ? std::optional{ctx.layer} + : std::nullopt; case IR::Attribute::ViewportIndex: - return (ctx.profile.support_viewport_index_layer_non_geometry || - ctx.stage == Shader::Stage::Geometry) + return ctx.profile.support_viewport_index_layer_non_geometry || + ctx.stage == Shader::Stage::Geometry ? std::optional{ctx.viewport_index} : std::nullopt; default: diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp index 116d93c1c..617ec05ce 100644 --- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp +++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp @@ -83,6 +83,9 @@ void SetAttribute(Info& info, IR::Attribute attribute) { case IR::Attribute::ClipDistance7: info.stores_clip_distance = true; break; + case IR::Attribute::Layer: + info.stores_layer = true; + break; case IR::Attribute::ViewportIndex: info.stores_viewport_index = true; break; diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h index 15cf09c3d..e078b0fa1 100644 --- a/src/shader_recompiler/shader_info.h +++ b/src/shader_recompiler/shader_info.h @@ -109,6 +109,7 @@ struct Info { bool stores_position{}; bool stores_point_size{}; bool stores_clip_distance{}; + bool stores_layer{}; bool stores_viewport_index{}; bool stores_indexed_attributes{};