From b5d7279d878211654b4abb165d94af763a365f47 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Tue, 16 Feb 2021 04:10:22 -0300 Subject: spirv: Initial bindings support --- .../backend/spirv/emit_spirv_context_get_set.cpp | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp') 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 1eab739ed..f4c9970eb 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 @@ -37,7 +37,10 @@ Id EmitSPIRV::EmitGetCbuf(EmitContext& ctx, const IR::Value& binding, const IR:: if (!offset.IsImmediate()) { throw NotImplementedException("Variable constant buffer offset"); } - return ctx.Name(ctx.OpUndef(ctx.u32[1]), "unimplemented_cbuf"); + const Id imm_offset{ctx.Constant(ctx.U32[1], offset.U32() / 4)}; + const Id cbuf{ctx.cbufs[binding.U32()]}; + const Id access_chain{ctx.OpAccessChain(ctx.uniform_u32, cbuf, ctx.u32_zero_value, imm_offset)}; + return ctx.OpLoad(ctx.U32[1], access_chain); } void EmitSPIRV::EmitGetAttribute(EmitContext&) { @@ -89,22 +92,11 @@ void EmitSPIRV::EmitSetOFlag(EmitContext&) { } Id EmitSPIRV::EmitWorkgroupId(EmitContext& ctx) { - if (ctx.workgroup_id.value == 0) { - ctx.workgroup_id = ctx.AddGlobalVariable( - ctx.TypePointer(spv::StorageClass::Input, ctx.u32[3]), spv::StorageClass::Input); - ctx.Decorate(ctx.workgroup_id, spv::Decoration::BuiltIn, spv::BuiltIn::WorkgroupId); - } - return ctx.OpLoad(ctx.u32[3], ctx.workgroup_id); + return ctx.OpLoad(ctx.U32[3], ctx.workgroup_id); } Id EmitSPIRV::EmitLocalInvocationId(EmitContext& ctx) { - if (ctx.local_invocation_id.value == 0) { - ctx.local_invocation_id = ctx.AddGlobalVariable( - ctx.TypePointer(spv::StorageClass::Input, ctx.u32[3]), spv::StorageClass::Input); - ctx.Decorate(ctx.local_invocation_id, spv::Decoration::BuiltIn, - spv::BuiltIn::LocalInvocationId); - } - return ctx.OpLoad(ctx.u32[3], ctx.local_invocation_id); + return ctx.OpLoad(ctx.U32[3], ctx.local_invocation_id); } } // namespace Shader::Backend::SPIRV -- cgit v1.2.3