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GS: Per-selector C draw scanline

This commit is contained in:
TellowKrinkle 2022-03-16 21:36:44 -05:00 committed by tellowkrinkle
parent 3b8eb6731c
commit a98efdfedd
1 changed files with 78 additions and 0 deletions
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78
pcsx2/GS/Renderers/SW/GSDrawScanlineCodeGenerator.cpp
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@ -16,7 +16,68 @@
#include "PrecompiledHeader.h"
#include "GSDrawScanlineCodeGenerator.h"
#include "GSDrawScanlineCodeGenerator.all.h"
#include "GSDrawScanline.h"
#include <fstream>
#include <map>
#include <mutex>
static std::map<u64, bool> s_use_c_draw_scanline;
static std::mutex s_use_c_draw_scanline_mutex;
static bool shouldUseCDrawScanline(u64 key)
{
static const char* const fname = getenv("USE_C_DRAW_SCANLINE");
if (!fname)
return false;
std::lock_guard<std::mutex> l(s_use_c_draw_scanline_mutex);
if (s_use_c_draw_scanline.empty())
{
std::ifstream file(fname);
if (file)
{
for (std::string str; std::getline(file, str);)
{
u64 key;
char yn;
if (sscanf(str.c_str(), "%llx %c", &key, &yn) == 2)
{
if (yn != 'Y' && yn != 'N' && yn != 'y' && yn != 'n')
Console.Warning("Failed to parse %s: Not y/n", str.c_str());
s_use_c_draw_scanline[key] = (yn == 'Y' || yn == 'y') ? true : false;
}
else
{
Console.Warning("Failed to process line %s", str.c_str());
}
}
}
}
auto idx = s_use_c_draw_scanline.find(key);
if (idx == s_use_c_draw_scanline.end())
{
s_use_c_draw_scanline[key] = false;
// Rewrite file
FILE* file = fopen(fname, "w");
if (file)
{
for (const auto& pair : s_use_c_draw_scanline)
{
fprintf(file, "%016llX %c %s\n", pair.first, pair.second ? 'Y' : 'N', GSScanlineSelector(pair.first).to_string().c_str());
}
fclose(file);
}
else
{
Console.Warning("Failed to write C draw scanline usage config: %s", strerror(errno));
}
return false;
}
return idx->second;
}
GSDrawScanlineCodeGenerator::GSDrawScanlineCodeGenerator(void* param, u64 key, void* code, size_t maxsize)
: GSCodeGenerator(code, maxsize)
@ -28,5 +89,22 @@ GSDrawScanlineCodeGenerator::GSDrawScanlineCodeGenerator(void* param, u64 key, v
if (m_sel.breakpoint)
db(0xCC);
if (shouldUseCDrawScanline(key))
{
#if defined(_WIN32)
mov(r8, reinterpret_cast<size_t>(&m_local));
push(ptr[r8 + offsetof(GSScanlineLocalData, gd)]);
push(r8);
sub(rsp, 32); // CC required shadow space
call(reinterpret_cast<void*>(GSDrawScanline::CDrawScanline));
ret(48);
#else
mov(r8, reinterpret_cast<size_t>(&m_local));
mov(r9, ptr[r8 + offsetof(GSScanlineLocalData, gd)]);
jmp(reinterpret_cast<void*>(GSDrawScanline::CDrawScanline));
#endif
return;
}
GSDrawScanlineCodeGenerator2(this, CPUInfo(m_cpu), (void*)&m_local, m_sel.key).Generate();
}