diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-05-19 02:05:24 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:32 -0400 |
| commit | 4a22942f452dd1bba5e10d20217a0bfbf214dacb (patch) | |
| tree | b54e2cde969a5e44f08181745d5d4a3549f7e295 /src/shader_recompiler/backend/glasm/emit_glasm_image.cpp | |
| parent | 3777592ada560e2943a066f7d2d62fd468dbf62c (diff) | |
glasm: Implement ImageFetch
Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm_image.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_image.cpp | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp index 7b95505e25..333a003c9b 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp +++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp @@ -43,7 +43,11 @@ struct ScopedRegister { std::string Texture(EmitContext& ctx, IR::TextureInstInfo info, [[maybe_unused]] const IR::Value& index) { // FIXME: indexed reads - return fmt::format("texture[{}]", ctx.texture_bindings.at(info.descriptor_index)); + if (info.type == TextureType::Buffer) { + return fmt::format("texture[{}]", ctx.texture_buffer_bindings.at(info.descriptor_index)); + } else { + return fmt::format("texture[{}]", ctx.texture_bindings.at(info.descriptor_index)); + } } std::string_view TextureType(IR::TextureInstInfo info) { @@ -421,11 +425,28 @@ void EmitImageGatherDref(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde StoreSparse(ctx, sparse_inst); } -void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, - [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coord, - [[maybe_unused]] Register offset, [[maybe_unused]] Register lod, - [[maybe_unused]] Register ms) { - throw NotImplementedException("GLASM instruction"); +void EmitImageFetch(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, + const IR::Value& coord, const IR::Value& offset, ScalarS32 lod, ScalarS32 ms) { + 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{TextureType(info)}; + const std::string texture{Texture(ctx, info, index)}; + const std::string offset_vec{Offset(ctx, offset)}; + const auto [coord_vec, coord_alloc]{Coord(ctx, coord)}; + const Register ret{ctx.reg_alloc.Define(inst)}; + if (info.type == TextureType::Buffer) { + ctx.Add("TXF.F{} {},{},{},{}{};", sparse_mod, ret, coord_vec, texture, type, offset_vec); + } else if (ms.type != Type::Void) { + ctx.Add("MOV.S {}.w,{};" + "TXFMS.F{} {},{},{},{}{};", + coord_vec, ms, sparse_mod, ret, coord_vec, texture, type, offset_vec); + } else { + ctx.Add("MOV.S {}.w,{};" + "TXF.F{} {},{},{},{}{};", + coord_vec, lod, sparse_mod, ret, coord_vec, texture, type, offset_vec); + } + StoreSparse(ctx, sparse_inst); } void EmitImageQueryDimensions(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, |