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shader: add BVH stack operations

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nmzik committed 2026-10-29 18:37:29 +01:00
1 parent 6ff6e7551d
commit bfd4c34b88
18 files changed
+419 -3
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src/graphics/shader/recompiler/frontend/decode/MemoryOps.cpp
+9
View File
@@ -142,6 +142,7 @@ constexpr MemoryOpcodeInfo DS_OPCODE_LIST[] = {
{0xb0u, Opcode::DS_WRITE_ADDTID_B32, 1, 32}, {0xb1u, Opcode::DS_READ_ADDTID_B32, 1, 32},
{0xb2u, Opcode::DS_PERMUTE_B32, 1, 32}, {0xb3u, Opcode::DS_BPERMUTE_B32, 1, 32},
{0xdeu, Opcode::DS_WRITE_B96, 3, 32}, {0xdfu, Opcode::DS_WRITE_B128, 4, 32},
{0xe1u, Opcode::DS_BVH_STACK_PUSH8_POP1_RTN_B32, 1, 32},
{0xfeu, Opcode::DS_READ_B96, 3, 32}, {0xffu, Opcode::DS_READ_B128, 4, 32},
};
@@ -232,6 +233,7 @@ bool IsDsAtomicOpcode(Opcode opcode) {
uint32_t DsSourceCount(Opcode opcode) {
switch (opcode) {
case Opcode::DS_BVH_STACK_PUSH8_POP1_RTN_B32: return 3u;
case Opcode::DS_WRITE2_B32:
case Opcode::DS_WRITE2ST64_B32:
case Opcode::DS_WRITE2_B64:
@@ -473,6 +475,13 @@ void DecodeDs(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index,
if (inst.opcode == Opcode::DS_SWIZZLE_B32 && inst.offset >= 0xe000u) {
SetUnsupported(inst, Family::DS, opcode, "DS swizzle FFT mode is not implemented");
}
if (inst.opcode == Opcode::DS_BVH_STACK_PUSH8_POP1_RTN_B32 &&
(inst.gds || inst.offset < 8u || inst.offset > 31u || data1 > 248u)) {
SetUnsupported(inst, Family::DS, opcode, "invalid BVH stack operands or capacity");
}
if (inst.opcode == Opcode::DS_BVH_STACK_PUSH8_POP1_RTN_B32 && vdst == addr) {
SetUnsupported(inst, Family::DS, opcode, "overlapping BVH stack outputs are not implemented");
}
if (inst.gds && inst.opcode == Opcode::DS_CMPST_RTN_B32) {
SetUnsupported(inst, Family::DS, opcode, "DS compare-store return B32 GDS variant is not implemented");
}
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.cpp
+1
View File
@@ -740,6 +740,7 @@ std::string InstructionToString(const Instruction& inst) {
case Opcode::DS_READ2ST64_B64:
case Opcode::DS_READ_B96:
case Opcode::DS_READ_B128:
case Opcode::DS_BVH_STACK_PUSH8_POP1_RTN_B32:
case Opcode::DS_WRITE_B8:
case Opcode::DS_WRITE_B16:
case Opcode::DS_WRITE_B8_D16_HI:
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
View File
@@ -685,6 +685,7 @@ enum class Opcode {
DS_READ2ST64_B64,
DS_READ_B96,
DS_READ_B128,
DS_BVH_STACK_PUSH8_POP1_RTN_B32,
DS_WRITE_B8,
DS_WRITE_B16,
DS_WRITE_B8_D16_HI,