diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp | 59 |
1 files changed, 32 insertions, 27 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 8ea730c80..80b4bbd27 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 @@ -123,34 +123,36 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { } Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr, u32 element_size, - const IR::Value& binding, const IR::Value& offset) { + const IR::Value& binding, const IR::Value& offset, const Id indirect_func) { + Id buffer_offset; + const Id uniform_type{ctx.uniform_types.*member_ptr}; + if (offset.IsImmediate()) { + // Hardware been proved to read the aligned offset (e.g. LDC.U32 at 6 will read offset 4) + const Id imm_offset{ctx.Const(offset.U32() / element_size)}; + buffer_offset = imm_offset; + } else if (element_size > 1) { + const u32 log2_element_size{static_cast<u32>(std::countr_zero(element_size))}; + const Id shift{ctx.Const(log2_element_size)}; + buffer_offset = ctx.OpShiftRightArithmetic(ctx.U32[1], ctx.Def(offset), shift); + } else { + buffer_offset = ctx.Def(offset); + } if (!binding.IsImmediate()) { - throw NotImplementedException("Constant buffer indexing"); + return ctx.OpFunctionCall(result_type, indirect_func, ctx.Def(binding), buffer_offset); } const Id cbuf{ctx.cbufs[binding.U32()].*member_ptr}; - const Id uniform_type{ctx.uniform_types.*member_ptr}; - if (!offset.IsImmediate()) { - Id index{ctx.Def(offset)}; - if (element_size > 1) { - const u32 log2_element_size{static_cast<u32>(std::countr_zero(element_size))}; - const Id shift{ctx.Const(log2_element_size)}; - index = ctx.OpShiftRightArithmetic(ctx.U32[1], ctx.Def(offset), shift); - } - const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, index)}; - return ctx.OpLoad(result_type, access_chain); - } - // Hardware been proved to read the aligned offset (e.g. LDC.U32 at 6 will read offset 4) - const Id imm_offset{ctx.Const(offset.U32() / element_size)}; - const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, imm_offset)}; + const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, buffer_offset)}; return ctx.OpLoad(result_type, access_chain); } Id GetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset); + return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset, + ctx.load_const_func_u32); } Id GetCbufU32x4(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - return GetCbuf(ctx, ctx.U32[4], &UniformDefinitions::U32x4, sizeof(u32[4]), binding, offset); + return GetCbuf(ctx, ctx.U32[4], &UniformDefinitions::U32x4, sizeof(u32[4]), binding, offset, + ctx.load_const_func_u32x4); } Id GetCbufElement(EmitContext& ctx, Id vector, const IR::Value& offset, u32 index_offset) { @@ -201,7 +203,8 @@ void EmitGetIndirectBranchVariable(EmitContext&) { Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { if (ctx.profile.support_descriptor_aliasing && ctx.profile.support_int8) { - const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset)}; + const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset, + ctx.load_const_func_u8)}; return ctx.OpUConvert(ctx.U32[1], load); } Id element{}; @@ -217,7 +220,8 @@ Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& of Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { if (ctx.profile.support_descriptor_aliasing && ctx.profile.support_int8) { - const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset)}; + const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset, + ctx.load_const_func_u8)}; return ctx.OpSConvert(ctx.U32[1], load); } Id element{}; @@ -233,8 +237,8 @@ Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& of Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { if (ctx.profile.support_descriptor_aliasing && ctx.profile.support_int16) { - const Id load{ - GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset)}; + const Id load{GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset, + ctx.load_const_func_u16)}; return ctx.OpUConvert(ctx.U32[1], load); } Id element{}; @@ -250,8 +254,8 @@ Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& o Id EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { if (ctx.profile.support_descriptor_aliasing && ctx.profile.support_int16) { - const Id load{ - GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset)}; + const Id load{GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset, + ctx.load_const_func_u16)}; return ctx.OpSConvert(ctx.U32[1], load); } Id element{}; @@ -276,7 +280,8 @@ Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& o Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { if (ctx.profile.support_descriptor_aliasing) { - return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset); + return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset, + ctx.load_const_func_f32); } else { const Id vector{GetCbufU32x4(ctx, binding, offset)}; return ctx.OpBitcast(ctx.F32[1], GetCbufElement(ctx, vector, offset, 0u)); @@ -285,8 +290,8 @@ Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& o Id EmitGetCbufU32x2(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { if (ctx.profile.support_descriptor_aliasing) { - return GetCbuf(ctx, ctx.U32[2], &UniformDefinitions::U32x2, sizeof(u32[2]), binding, - offset); + return GetCbuf(ctx, ctx.U32[2], &UniformDefinitions::U32x2, sizeof(u32[2]), binding, offset, + ctx.load_const_func_u32x2); } else { const Id vector{GetCbufU32x4(ctx, binding, offset)}; return ctx.OpCompositeConstruct(ctx.U32[2], GetCbufElement(ctx, vector, offset, 0u), |