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shader: generalize D16 buffer format component handling

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This commit is contained in:
nmzik
2026-10-22 05:06:47 +02:00
parent d7c1896647
commit 753f285198
3 changed files with 47 additions and 27 deletions
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src/graphics/shader/recompiler/frontend/decode/MemoryOps.cpp
+18 -21
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@@ -6,13 +6,14 @@ namespace Libs::Graphics::ShaderRecompiler::Decoder {
namespace {
struct MemoryOpcodeInfo {
uint32_t encoding = 0;
Opcode decoded = Opcode::UNSUPPORTED;
uint32_t data_dwords = 1;
uint32_t data_bits = 32;
bool data_signed = false;
bool typed = false;
bool formatted = false;
uint32_t encoding = 0;
Opcode decoded = Opcode::UNSUPPORTED;
uint32_t data_dwords = 1;
uint32_t data_bits = 32;
bool data_signed = false;
bool typed = false;
bool formatted = false;
uint32_t data_components = 0; // D16 formats pack two components per dword
};
constexpr MemoryOpcodeInfo SMEM_OPCODE_LIST[] = {
@@ -73,9 +74,9 @@ constexpr MemoryOpcodeInfo MUBUF_OPCODE_LIST[] = {
{0x71u, Opcode::BUFFER_GL0_INV, 0, 0},
{0x72u, Opcode::BUFFER_GL1_INV, 0, 0},
{0x80u, Opcode::BUFFER_LOAD_FORMAT_D16_X, 1, 16, false, false, true},
{0x83u, Opcode::BUFFER_LOAD_FORMAT_D16_XYZW, 2, 16, false, false, true},
{0x83u, Opcode::BUFFER_LOAD_FORMAT_D16_XYZW, 2, 16, false, false, true, 4},
{0x84u, Opcode::BUFFER_STORE_FORMAT_D16_X, 1, 16, false, false, true},
{0x87u, Opcode::BUFFER_STORE_FORMAT_D16_XYZW, 2, 16, false, false, true},
{0x87u, Opcode::BUFFER_STORE_FORMAT_D16_XYZW, 2, 16, false, false, true, 4},
};
constexpr MemoryOpcodeInfo MTBUF_OPCODE_LIST[] = {
@@ -158,12 +159,13 @@ void ApplyMemoryInfo(Instruction& inst, const MemoryOpcodeInfo* info) {
inst.opcode = Opcode::UNSUPPORTED;
return;
}
inst.opcode = info->decoded;
inst.data_dwords = info->data_dwords;
inst.data_bits = info->data_bits;
inst.data_signed = info->data_signed;
inst.typed = info->typed;
inst.formatted = info->formatted;
inst.opcode = info->decoded;
inst.data_dwords = info->data_dwords;
inst.data_bits = info->data_bits;
inst.data_signed = info->data_signed;
inst.typed = info->typed;
inst.formatted = info->formatted;
inst.data_components = info->data_components;
}
} // namespace
@@ -323,12 +325,7 @@ void DecodeMubuf(uint32_t pc, std::span<const uint32_t> code, uint32_t word_inde
}
DecodeVectorGpr(vdata, inst.dst);
if (inst.opcode == Opcode::BUFFER_LOAD_FORMAT_D16_XYZW ||
inst.opcode == Opcode::BUFFER_STORE_FORMAT_D16_XYZW) {
inst.data_components = 4u;
}
if (inst.opcode == Opcode::BUFFER_LOAD_FORMAT_D16_X ||
inst.opcode == Opcode::BUFFER_LOAD_UBYTE_D16 ||
if (inst.opcode == Opcode::BUFFER_LOAD_UBYTE_D16 ||
inst.opcode == Opcode::BUFFER_LOAD_SHORT_D16 ||
inst.opcode == Opcode::BUFFER_LOAD_SHORT_D16_HI) {
inst.dst.sdwa_sel = inst.opcode == Opcode::BUFFER_LOAD_SHORT_D16_HI ? 5u : 4u;