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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/texture_query.cpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/texture_query.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/texture_query.cpp new file mode 100644 index 000000000..e8ea8faeb --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/texture_query.cpp @@ -0,0 +1,76 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <optional> + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/ir/modifiers.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +enum class Mode : u64 { + Dimension = 1, + TextureType = 2, + SamplePos = 5, +}; + +IR::Value Query(TranslatorVisitor& v, const IR::U32& handle, Mode mode, IR::Reg src_reg) { + switch (mode) { + case Mode::Dimension: { + const IR::U32 lod{v.X(src_reg)}; + return v.ir.ImageQueryDimension(handle, lod); + } + case Mode::TextureType: + case Mode::SamplePos: + default: + throw NotImplementedException("Mode {}", mode); + } +} + +void Impl(TranslatorVisitor& v, u64 insn, std::optional<u32> cbuf_offset) { + union { + u64 raw; + BitField<49, 1, u64> nodep; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_reg; + BitField<22, 3, Mode> mode; + BitField<31, 4, u64> mask; + } const txq{insn}; + + IR::Reg src_reg{txq.src_reg}; + IR::U32 handle; + if (cbuf_offset) { + handle = v.ir.Imm32(*cbuf_offset); + } else { + handle = v.X(src_reg); + ++src_reg; + } + const IR::Value query{Query(v, handle, txq.mode, src_reg)}; + IR::Reg dest_reg{txq.dest_reg}; + for (int element = 0; element < 4; ++element) { + if (((txq.mask >> element) & 1) == 0) { + continue; + } + v.X(dest_reg, IR::U32{v.ir.CompositeExtract(query, element)}); + ++dest_reg; + } +} +} // Anonymous namespace + +void TranslatorVisitor::TXQ(u64 insn) { + union { + u64 raw; + BitField<36, 13, u64> cbuf_offset; + } const txq{insn}; + + Impl(*this, insn, static_cast<u32>(txq.cbuf_offset)); +} + +void TranslatorVisitor::TXQ_b(u64 insn) { + Impl(*this, insn, std::nullopt); +} + +} // namespace Shader::Maxwell |