mirror/psxrecomp
1
0
Fork 0
mirror of https://github.com/RetroPortingToolKit/psxrecomp synced 2026-10-27 02:32:02 -04:00
Code Issues Packages Projects Releases Wiki Activity

Recover saturated winding at guarded native-wide rendering branches

Browse Source
This commit is contained in:
Matthew Stanley
2026-10-02 16:47:59 -07:00
parent 3787120488
commit 1ed0dfd22d
17 changed files with 200 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
recompiler/src/code_generator.cpp
+8
View File
@@ -821,6 +821,13 @@ std::string CodeGenerator::generate_branch_condition(uint32_t instr, uint32_t ad
// sweeps data-as-code into a function; emitting the hardware decode keeps
// the regen alive AND matches the oracle if the word is ever executed.
check_explicit_branch_site(addr, instr);
if (config_.ws_cull_nclip_exact_sites.count(addr) &&
(opcode == 0x06 || opcode == 0x07 ||
(opcode == 0x01 && ((instr >> 16) & 31) == 1))) {
const char* compare = opcode == 0x06 ? "<= 0" : opcode == 0x07 ? "> 0" : ">= 0";
return fmt::format("psx_ws_nclip_branch(0x{:08X}u, 0x{:08X}u, (int32_t){}, ((int32_t){} {})) /* guarded wide nclip */",
addr, instr, reg_name(rs), reg_name(rs), compare);
}
if (opcode == 0x01) {
uint32_t regimm_op = (instr >> 16) & 0x1F;
if ((regimm_op & 0x01u) == 0x00u) { // bltz family (incl. bltzal + undefined mirrors)
@@ -3450,6 +3457,7 @@ void CodeGenerator::emit_runtime_externs(std::ostream& ss) const {
ss << "extern int psx_datashard_enter(CPUState* cpu, uint32_t key); /* data-shard replay/capture (data_shards.c) */\n";
ss << "extern int psx_mod_function_entry(CPUState* cpu, uint32_t address); /* trusted opt-in game-mod hook */\n";
ss << "extern int psx_ws_masked_reject(uint32_t flags, uint32_t mask); /* guarded packed-coordinate reject */\n";
ss << "extern int psx_ws_nclip_branch(uint32_t pc, uint32_t instr, int32_t mac0, int vanilla);\n";
ss << "extern void psx_datashard_ret(CPUState* cpu); /* data-shard capture finalize */\n";
ss << "extern int psx_vsync_query_hle_enter(CPUState* cpu, uint32_t func, uint32_t counter_addr, uint32_t gpustat_ptr_addr, uint32_t timer1_ptr_addr, uint32_t timer1_cache_addr); /* load_accel.c */\n";
ss << "extern void psx_ws_sprite_tag(CPUState* cpu); /* widescreen prim tag (gpu.c) */\n";