diff options
Diffstat (limited to 'src/shader_recompiler/backend/glsl')
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_image.cpp | 91 |
1 files changed, 89 insertions, 2 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp index 78e2d5bac..e12d7b850 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp @@ -67,6 +67,23 @@ std::string ShadowSamplerVecCast(TextureType type) { } } +std::string PtpOffsets(const IR::Value& offset, const IR::Value& offset2) { + const std::array values{offset.InstRecursive(), offset2.InstRecursive()}; + if (!values[0]->AreAllArgsImmediates() || !values[1]->AreAllArgsImmediates()) { + // LOG_WARNING("Not all arguments in PTP are immediate, STUBBING"); + return ""; + } + const IR::Opcode opcode{values[0]->GetOpcode()}; + if (opcode != values[1]->GetOpcode() || opcode != IR::Opcode::CompositeConstructU32x4) { + throw LogicError("Invalid PTP arguments"); + } + auto read{[&](unsigned int a, unsigned int b) { return values[a]->Arg(b).U32(); }}; + + return fmt::format("ivec2[](ivec2({},{}),ivec2({},{}),ivec2({},{}),ivec2({},{}))", read(0, 0), + read(0, 1), read(0, 2), read(0, 3), read(1, 0), read(1, 1), read(1, 2), + read(1, 3)); +} + IR::Inst* PrepareSparse(IR::Inst& inst) { const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)}; if (sparse_inst) { @@ -213,7 +230,45 @@ void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Ins [[maybe_unused]] std::string_view coords, [[maybe_unused]] const IR::Value& offset, [[maybe_unused]] const IR::Value& offset2) { - throw NotImplementedException("GLSL Instruction"); + const auto info{inst.Flags<IR::TextureInstInfo>()}; + const auto texture{Texture(ctx, info, index)}; + const auto texel{ctx.reg_alloc.Define(inst, Type::F32x4)}; + const auto sparse_inst{PrepareSparse(inst)}; + if (!offset2.IsEmpty()) { + ctx.Add("/*OFFSET 2 IS {}*/", ctx.reg_alloc.Consume(offset2)); + } + if (!sparse_inst) { + if (offset.IsEmpty()) { + ctx.Add("{}=textureGather({},{},int({}));", texel, texture, coords, + info.gather_component); + return; + } + if (offset2.IsEmpty()) { + ctx.Add("{}=textureGatherOffset({},{},{},int({}));", texel, texture, coords, + CastToIntVec(ctx.reg_alloc.Consume(offset), info), info.gather_component); + return; + } + // PTP + const auto offsets{PtpOffsets(offset, offset2)}; + ctx.Add("{}=textureGatherOffsets({},{},{},int({}));", texel, texture, coords, offsets, + info.gather_component); + return; + } + // TODO: Query sparseTexels extension support + if (offset.IsEmpty()) { + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherARB({},{},{},int({})));", + *sparse_inst, texture, coords, texel, info.gather_component); + } + if (offset2.IsEmpty()) { + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},{},int({})));", + *sparse_inst, texture, CastToIntVec(coords, info), + CastToIntVec(ctx.reg_alloc.Consume(offset), info), texel, info.gather_component); + } + // PTP + const auto offsets{PtpOffsets(offset, offset2)}; + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},{},int({})));", + *sparse_inst, texture, CastToIntVec(coords, info), offsets, texel, + info.gather_component); } void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, @@ -222,7 +277,39 @@ void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR: [[maybe_unused]] const IR::Value& offset, [[maybe_unused]] const IR::Value& offset2, [[maybe_unused]] std::string_view dref) { - throw NotImplementedException("GLSL Instruction"); + const auto info{inst.Flags<IR::TextureInstInfo>()}; + const auto texture{Texture(ctx, info, index)}; + const auto texel{ctx.reg_alloc.Define(inst, Type::F32x4)}; + const auto sparse_inst{PrepareSparse(inst)}; + if (!sparse_inst) { + if (offset.IsEmpty()) { + ctx.Add("{}=textureGather({},{},{});", texel, texture, coords, dref); + return; + } + if (offset2.IsEmpty()) { + ctx.Add("{}=textureGatherOffset({},{},{},{});", texel, texture, coords, dref, + CastToIntVec(ctx.reg_alloc.Consume(offset), info)); + return; + } + // PTP + const auto offsets{PtpOffsets(offset, offset2)}; + ctx.Add("{}=textureGatherOffsets({},{},{},{});", texel, texture, coords, dref, offsets); + return; + } + // TODO: Query sparseTexels extension support + if (offset.IsEmpty()) { + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherARB({},{},{},{}));", *sparse_inst, + texture, coords, dref, texel); + } + if (offset2.IsEmpty()) { + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},,{},{}));", + *sparse_inst, texture, CastToIntVec(coords, info), dref, + CastToIntVec(ctx.reg_alloc.Consume(offset), info), texel); + } + // PTP + const auto offsets{PtpOffsets(offset, offset2)}; + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTextureGatherOffsetARB({},{},{},,{},{}));", + *sparse_inst, texture, CastToIntVec(coords, info), dref, offsets, texel); } void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, |