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CPU: Implement PGXP CPU Mode

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This is *very* slow. You don't want to enable it if you don't need it.
It is also incompatible with the recompiler and will disable it if the
option is enabled.
This commit is contained in:
Connor McLaughlin
2020-08-19 23:26:57 +10:00
parent db6b9e3bf4
commit 2e9f656546
19 changed files with 1490 additions and 198 deletions
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10
src/duckstation-libretro/libretro_host_interface.cpp
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@ -369,7 +369,7 @@ void LibretroHostInterface::OnSystemDestroyed()
m_using_hardware_renderer = false;
}
static std::array<retro_core_option_definition, 30> s_option_definitions = {{
static std::array<retro_core_option_definition, 31> s_option_definitions = {{
{"duckstation_Console.Region",
"Console Region",
"Determines which region/hardware to emulate. Auto-Detect will use the region of the disc inserted.",
@ -500,6 +500,12 @@ static std::array<retro_core_option_definition, 30> s_option_definitions = {{
"Uses screen coordinates as a fallback when tracking vertices through memory fails. May improve PGXP compatibility.",
{{"true", "Enabled"}, {"false", "Disabled"}},
"false"},
{"duckstation_GPU.PGXPCPU",
"PGXP CPU Mode",
"Tries to track vertex manipulation through the CPU. Some games require this option for PGXP to be effective. "
"Very slow, and incompatible with the recompiler.",
{{"true", "Enabled"}, {"false", "Disabled"}},
"false"},
{"duckstation_Display.CropMode",
"Crop Mode",
"Changes how much of the image is cropped. Some games display garbage in the overscan area which is typically "
@ -607,7 +613,7 @@ bool LibretroHostInterface::HasCoreVariablesChanged()
void LibretroHostInterface::LoadSettings()
{
LibretroSettingsInterface si;
g_settings.Load(si);
HostInterface::LoadSettings(si);
// Assume BIOS files are located in system directory.
const char* system_directory = nullptr;