diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-04-16 01:55:06 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:27 -0400 |
| commit | b0f1255c8cb800e9f336be66b3f16c3d958673d2 (patch) | |
| tree | d5c63390c37b32b8ef188b6ce2db9111a9585661 /src/shader_recompiler/backend | |
| parent | 183855e396cc6918d36fbf3e38ea426e934b4e3e (diff) | |
shader: Implement PrimitiveId
Diffstat (limited to 'src/shader_recompiler/backend')
3 files changed, 6 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp index 067f616137..3946dab143 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/emit_context.cpp @@ -1021,6 +1021,9 @@ void EmitContext::DefineInputs(const Info& info) { fswzadd_lut_b = ConstantComposite(F32[4], f32_minus_one, f32_minus_one, f32_one, f32_minus_one); } + if (info.loads_primitive_id) { + primitive_id = DefineInput(*this, U32[1], false, spv::BuiltIn::PrimitiveId); + } if (info.loads_position) { const bool is_fragment{stage != Stage::Fragment}; const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord}; diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h index ba0a253b35..c7d6f8a38f 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.h +++ b/src/shader_recompiler/backend/spirv/emit_context.h @@ -167,6 +167,7 @@ public: Id clip_distances{}; Id layer{}; Id viewport_index{}; + Id primitive_id{}; Id fswzadd_lut_a{}; Id fswzadd_lut_b{}; 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 4a1aeece5a..23a74f9666 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 @@ -210,6 +210,8 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { return type->needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value; } switch (attr) { + case IR::Attribute::PrimitiveId: + return ctx.OpLoad(ctx.U32[1], ctx.primitive_id); case IR::Attribute::PositionX: case IR::Attribute::PositionY: case IR::Attribute::PositionZ: |