diff options
Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm_image.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_image.cpp | 103 |
1 files changed, 92 insertions, 11 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp index 77da3400b..9da4da331 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp +++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp @@ -2,6 +2,8 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <utility> + #include "shader_recompiler/backend/glasm/emit_context.h" #include "shader_recompiler/backend/glasm/emit_glasm_instructions.h" #include "shader_recompiler/frontend/ir/modifiers.h" @@ -95,6 +97,33 @@ std::string Offset(EmitContext& ctx, const IR::Value& offset) { return fmt::format(",offset({})", Register{ctx.reg_alloc.Consume(offset)}); } +std::pair<ScopedRegister, ScopedRegister> AllocOffsetsRegs(EmitContext& ctx, + const IR::Value& offset2) { + if (offset2.IsEmpty()) { + return {}; + } else { + return {ctx.reg_alloc, ctx.reg_alloc}; + } +} + +void SwizzleOffsets(EmitContext& ctx, Register off_x, Register off_y, const IR::Value& offset1, + const IR::Value& offset2) { + const Register offsets_a{ctx.reg_alloc.Consume(offset1)}; + const Register offsets_b{ctx.reg_alloc.Consume(offset2)}; + // Input swizzle: [XYXY] [XYXY] + // Output swizzle: [XXXX] [YYYY] + ctx.Add("MOV {}.x,{}.x;" + "MOV {}.y,{}.z;" + "MOV {}.z,{}.x;" + "MOV {}.w,{}.z;" + "MOV {}.x,{}.y;" + "MOV {}.y,{}.w;" + "MOV {}.z,{}.y;" + "MOV {}.w,{}.w;", + off_x, offsets_a, off_x, offsets_a, off_x, offsets_b, off_x, offsets_b, off_y, + offsets_a, off_y, offsets_a, off_y, offsets_b, off_y, offsets_b); +} + std::pair<std::string, ScopedRegister> Coord(EmitContext& ctx, const IR::Value& coord) { if (coord.IsImmediate()) { ScopedRegister scoped_reg(ctx.reg_alloc); @@ -326,19 +355,71 @@ void EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst& inst, const IR:: StoreSparse(ctx, sparse_inst); } -void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, - [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coord, - [[maybe_unused]] const IR::Value& offset, - [[maybe_unused]] const IR::Value& offset2) { - throw NotImplementedException("GLASM instruction"); +void EmitImageGather(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, + const IR::Value& coord, const IR::Value& offset, const IR::Value& offset2) { + // Allocate offsets early so they don't overwrite any consumed register + const auto [off_x, off_y]{AllocOffsetsRegs(ctx, offset2)}; + const auto info{inst.Flags<IR::TextureInstInfo>()}; + const char comp{"xyzw"[info.gather_component]}; + const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)}; + const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""}; + const std::string_view type{TextureType(info)}; + const std::string texture{Texture(ctx, info, index)}; + const Register coord_vec{ctx.reg_alloc.Consume(coord)}; + const Register ret{ctx.reg_alloc.Define(inst)}; + if (offset2.IsEmpty()) { + const std::string offset_vec{Offset(ctx, offset)}; + ctx.Add("TXG.F{} {},{},{}.{},{}{};", sparse_mod, ret, coord_vec, texture, comp, type, + offset_vec); + } else { + SwizzleOffsets(ctx, off_x.reg, off_y.reg, offset, offset2); + ctx.Add("TXGO.F{} {},{},{},{},{}.{},{};", sparse_mod, ret, coord_vec, off_x.reg, off_y.reg, + texture, comp, type); + } + StoreSparse(ctx, sparse_inst); } -void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, - [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coord, - [[maybe_unused]] const IR::Value& offset, - [[maybe_unused]] const IR::Value& offset2, - [[maybe_unused]] Register dref) { - throw NotImplementedException("GLASM instruction"); +void EmitImageGatherDref(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, + const IR::Value& coord, const IR::Value& offset, const IR::Value& offset2, + const IR::Value& dref) { + // FIXME: This instruction is not working as expected + + // Allocate offsets early so they don't overwrite any consumed register + const auto [off_x, off_y]{AllocOffsetsRegs(ctx, offset2)}; + const auto info{inst.Flags<IR::TextureInstInfo>()}; + const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)}; + const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""}; + const std::string_view type{ShadowTextureType(info)}; + const std::string texture{Texture(ctx, info, index)}; + const Register coord_vec{ctx.reg_alloc.Consume(coord)}; + const ScalarF32 dref_value{ctx.reg_alloc.Consume(dref)}; + const Register ret{ctx.reg_alloc.Define(inst)}; + std::string args; + switch (info.type) { + case TextureType::Color2D: + ctx.Add("MOV.F {}.z,{};", coord_vec, dref_value); + args = fmt::to_string(coord_vec); + break; + case TextureType::ColorArray2D: + case TextureType::ColorCube: + ctx.Add("MOV.F {}.w,{};", coord_vec, dref_value); + args = fmt::to_string(coord_vec); + break; + case TextureType::ColorArrayCube: + args = fmt::format("{},{}", coord_vec, dref_value); + break; + default: + throw NotImplementedException("Invalid type {}", info.type.Value()); + } + if (offset2.IsEmpty()) { + const std::string offset_vec{Offset(ctx, offset)}; + ctx.Add("TXG.F{} {},{},{},{}{};", sparse_mod, ret, args, texture, type, offset_vec); + } else { + SwizzleOffsets(ctx, off_x.reg, off_y.reg, offset, offset2); + ctx.Add("TXGO.F{} {},{},{},{},{},{};", sparse_mod, ret, args, off_x.reg, off_y.reg, texture, + type); + } + StoreSparse(ctx, sparse_inst); } void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, |