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ppsspp/libretro/libretro.cpp

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#include "ppsspp_config.h"
#include <cstring>
#include <cassert>
#include <thread>
#include <atomic>
#include <vector>
#include <cstdlib>
#include <mutex>
#include "Common/CPUDetect.h"
#include "Common/Log.h"
#include "Common/LogManager.h"
#include "Common/System/Display.h"
#include "Common/System/NativeApp.h"
#include "Common/System/System.h"
#include "Common/TimeUtil.h"
#include "Common/File/FileUtil.h"
#include "Common/Serialize/Serializer.h"
#include "Common/ConsoleListener.h"
#include "Common/Input/InputState.h"
#include "Common/Thread/ThreadUtil.h"
#include "Common/Thread/ThreadManager.h"
#include "Common/File/VFS/VFS.h"
#include "Common/File/VFS/AssetReader.h"
#include "Common/Data/Text/I18n.h"
#include "Core/Config.h"
#include "Core/ConfigValues.h"
#include "Core/Core.h"
#include "Core/HLE/sceCtrl.h"
#include "Core/HLE/sceUtility.h"
#include "Core/HLE/__sceAudio.h"
#include "Core/HW/MemoryStick.h"
#include "Core/Host.h"
#include "Core/MemMap.h"
#include "Core/System.h"
#include "GPU/GPUState.h"
#include "GPU/GPUInterface.h"
#include "GPU/Common/FramebufferManagerCommon.h"
#include "GPU/Common/TextureScalerCommon.h"
#include "GPU/Common/PresentationCommon.h"
#include "libretro/libretro.h"
#include "libretro/LibretroGraphicsContext.h"
#if PPSSPP_PLATFORM(ANDROID)
#include <sys/system_properties.h>
#endif
#define DIR_SEP "/"
#ifdef _WIN32
#define DIR_SEP_CHRS "/\\"
#else
#define DIR_SEP_CHRS "/"
#endif
#define SAMPLERATE 44100
#define AUDIO_RING_BUFFER_SIZE (1 << 16)
#define AUDIO_RING_BUFFER_SIZE_MASK (AUDIO_RING_BUFFER_SIZE - 1)
// An alpha factor of 1/180 is *somewhat* equivalent
// to calculating the average for the last 180
// frames, or 3 seconds of runtime...
#define AUDIO_FRAMES_MOVING_AVG_ALPHA (1.0f / 180.0f)
static bool libretro_supports_bitmasks = false;
namespace Libretro
{
LibretroGraphicsContext *ctx;
retro_environment_t environ_cb;
static retro_audio_sample_batch_t audio_batch_cb;
static retro_input_poll_t input_poll_cb;
static retro_input_state_t input_state_cb;
} // namespace Libretro
namespace Libretro
{
static std::mutex audioSampleLock_;
static int16_t audioRingBuffer[AUDIO_RING_BUFFER_SIZE] = {0};
static uint32_t audioRingBufferBase = 0;
static uint32_t audioRingBufferIndex = 0;
static int16_t *audioOutBuffer = NULL;
static uint32_t audioOutBufferSize = 0;
static float audioOutFramesAvg = 0.0f;
// Set this to an arbitrarily large value,
// it will be fine tuned in AudioUploadSamples()
static uint32_t audioBatchFramesMax = AUDIO_RING_BUFFER_SIZE >> 1;
static void AudioBufferFlush()
{
const std::lock_guard<std::mutex> lock(audioSampleLock_);
audioRingBufferBase = 0;
audioRingBufferIndex = 0;
audioOutFramesAvg = (float)SAMPLERATE / (60.0f / 1.001f);
}
static void AudioBufferInit()
{
audioOutFramesAvg = (float)SAMPLERATE / (60.0f / 1.001f);
audioOutBufferSize = ((uint32_t)audioOutFramesAvg + 1) * 2;
audioOutBuffer = (int16_t *)malloc(audioOutBufferSize * sizeof(int16_t));
audioBatchFramesMax = AUDIO_RING_BUFFER_SIZE >> 1;
AudioBufferFlush();
}
static void AudioBufferDeinit()
{
if (audioOutBuffer)
free(audioOutBuffer);
audioOutBuffer = NULL;
audioOutBufferSize = 0;
audioOutFramesAvg = 0.0f;
audioBatchFramesMax = AUDIO_RING_BUFFER_SIZE >> 1;
AudioBufferFlush();
}
static uint32_t AudioBufferOccupancy()
{
const std::lock_guard<std::mutex> lock(audioSampleLock_);
uint32_t occupancy = (audioRingBufferIndex - audioRingBufferBase) &
AUDIO_RING_BUFFER_SIZE_MASK;
return occupancy >> 1;
}
static void AudioBufferWrite(int16_t *audio, uint32_t frames)
{
const std::lock_guard<std::mutex> lock(audioSampleLock_);
uint32_t frameIndex;
uint32_t bufferIndex = audioRingBufferIndex;
for (frameIndex = 0; frameIndex < frames; frameIndex++)
{
audioRingBuffer[audioRingBufferIndex] = *(audio++);
audioRingBuffer[audioRingBufferIndex + 1] = *(audio++);
audioRingBufferIndex = (audioRingBufferIndex + 2) % AUDIO_RING_BUFFER_SIZE;
}
}
static uint32_t AudioBufferRead(int16_t *audio, uint32_t frames)
{
const std::lock_guard<std::mutex> lock(audioSampleLock_);
uint32_t framesAvailable = ((audioRingBufferIndex - audioRingBufferBase) &
AUDIO_RING_BUFFER_SIZE_MASK) >> 1;
uint32_t frameIndex;
if (frames > framesAvailable)
frames = framesAvailable;
for(frameIndex = 0; frameIndex < frames; frameIndex++)
{
uint32_t bufferIndex = (audioRingBufferBase + (frameIndex << 1)) &
AUDIO_RING_BUFFER_SIZE_MASK;
*(audio++) = audioRingBuffer[bufferIndex];
*(audio++) = audioRingBuffer[bufferIndex + 1];
}
audioRingBufferBase += frames << 1;
audioRingBufferBase &= AUDIO_RING_BUFFER_SIZE_MASK;
return frames;
}
static void AudioUploadSamples()
{
// - The core specifies a fixed frame rate of (60.0f / 1.001f)
// and a fixed sample rate of 44100
// - This means the frontend expects exactly 735.735
// sample frames per call of retro_run()
// - Provided that g_Config.bRenderDuplicateFrames is
// force enabled and frameskip is disabled, the mean
// of the buffer occupancy will approximate to this
// value in most cases
uint32_t framesAvailable = AudioBufferOccupancy();
if (framesAvailable > 0)
{
// Update 'running average' of buffer occupancy.
// Note that this is not a true running
// average, but just a leaky-integrator/
// exponential moving average, used because
// it is simple and fast (i.e. requires no
// window of samples).
audioOutFramesAvg = (AUDIO_FRAMES_MOVING_AVG_ALPHA * (float)framesAvailable) +
((1.0f - AUDIO_FRAMES_MOVING_AVG_ALPHA) * audioOutFramesAvg);
uint32_t frames = (uint32_t)audioOutFramesAvg;
if (audioOutBufferSize < (frames << 1))
{
audioOutBufferSize = (frames << 1);
audioOutBuffer = (int16_t *)realloc(audioOutBuffer,
audioOutBufferSize * sizeof(int16_t));
}
frames = AudioBufferRead(audioOutBuffer, frames);
int16_t *audioOutBufferPtr = audioOutBuffer;
while (frames > 0)
{
uint32_t framesToWrite = (frames > audioBatchFramesMax) ?
audioBatchFramesMax : frames;
uint32_t framesWritten = audio_batch_cb(audioOutBufferPtr,
framesToWrite);
if ((framesWritten < framesToWrite) &&
(framesWritten > 0))
audioBatchFramesMax = framesWritten;
frames -= framesToWrite;
audioOutBufferPtr += framesToWrite << 1;
}
}
}
} // namespace Libretro
using namespace Libretro;
class LibretroHost : public Host
{
public:
LibretroHost() {}
bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override { return true; }
void ShutdownGraphics() override {}
void InitSound() override {}
void UpdateSound() override
{
extern int hostAttemptBlockSize;
const int blockSizeMax = 512;
static int16_t audio[blockSizeMax * 2];
assert(hostAttemptBlockSize <= blockSizeMax);
int samples = __AudioMix(audio, hostAttemptBlockSize, SAMPLERATE);
AudioBufferWrite(audio, samples);
}
void ShutdownSound() override {}
bool IsDebuggingEnabled() override { return false; }
bool AttemptLoadSymbolMap() override { return false; }
};
class PrintfLogger : public LogListener
{
public:
PrintfLogger(retro_log_callback log) : log_(log.log) {}
void Log(const LogMessage &message)
{
switch (message.level)
{
case LogTypes::LVERBOSE:
case LogTypes::LDEBUG:
log_(RETRO_LOG_DEBUG, "[%s] %s",
message.log, message.msg.c_str());
break;
case LogTypes::LERROR:
log_(RETRO_LOG_ERROR, "[%s] %s",
message.log, message.msg.c_str());
break;
case LogTypes::LNOTICE:
case LogTypes::LWARNING:
log_(RETRO_LOG_WARN, "[%s] %s",
message.log, message.msg.c_str());
break;
case LogTypes::LINFO:
default:
log_(RETRO_LOG_INFO, "[%s] %s",
message.log, message.msg.c_str());
break;
}
}
private:
retro_log_printf_t log_;
};
static PrintfLogger *printfLogger;
template <typename T> class RetroOption
{
public:
RetroOption(const char *id, const char *name, std::initializer_list<std::pair<const char *, T>> list) : id_(id), name_(name), list_(list.begin(), list.end()) {}
RetroOption(const char *id, const char *name, std::initializer_list<const char *> list) : id_(id), name_(name) {
for (auto option : list)
list_.push_back({ option, (T)list_.size() });
}
RetroOption(const char *id, const char *name, T first, std::initializer_list<const char *> list) : id_(id), name_(name) {
for (auto option : list)
list_.push_back({ option, first + (int)list_.size() });
}
RetroOption(const char *id, const char *name, T first, int count, int step = 1) : id_(id), name_(name) {
for (T i = first; i < first + count; i += step)
list_.push_back({ std::to_string(i), i });
}
RetroOption(const char *id, const char *name, bool initial) : id_(id), name_(name) {
list_.push_back({ initial ? "enabled" : "disabled", initial });
list_.push_back({ !initial ? "enabled" : "disabled", !initial });
}
retro_variable GetOptions()
{
if (options_.empty())
{
options_ = name_;
options_.push_back(';');
for (auto &option : list_)
{
if (option.first == list_.begin()->first)
options_ += std::string(" ") + option.first;
else
options_ += std::string("|") + option.first;
}
}
return { id_, options_.c_str() };
}
bool Update(T *dest)
{
retro_variable var{ id_ };
T val = list_.front().second;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
for (auto option : list_)
{
if (option.first == var.value)
{
val = option.second;
break;
}
}
}
if (*dest != val)
{
*dest = val;
return true;
}
return false;
}
private:
const char *id_;
const char *name_;
std::string options_;
std::vector<std::pair<std::string, T>> list_;
};
static RetroOption<CPUCore> ppsspp_cpu_core("ppsspp_cpu_core", "CPU Core", { { "JIT", CPUCore::JIT }, { "IR JIT", CPUCore::IR_JIT }, { "Interpreter", CPUCore::INTERPRETER } });
static RetroOption<int> ppsspp_locked_cpu_speed("ppsspp_locked_cpu_speed", "Locked CPU Speed", { { "off", 0 }, { "222MHz", 222 }, { "266MHz", 266 }, { "333MHz", 333 } });
static RetroOption<int> ppsspp_language("ppsspp_language", "Language", { { "Automatic", -1 }, { "English", PSP_SYSTEMPARAM_LANGUAGE_ENGLISH }, { "Japanese", PSP_SYSTEMPARAM_LANGUAGE_JAPANESE }, { "French", PSP_SYSTEMPARAM_LANGUAGE_FRENCH }, { "Spanish", PSP_SYSTEMPARAM_LANGUAGE_SPANISH }, { "German", PSP_SYSTEMPARAM_LANGUAGE_GERMAN }, { "Italian", PSP_SYSTEMPARAM_LANGUAGE_ITALIAN }, { "Dutch", PSP_SYSTEMPARAM_LANGUAGE_DUTCH }, { "Portuguese", PSP_SYSTEMPARAM_LANGUAGE_PORTUGUESE }, { "Russian", PSP_SYSTEMPARAM_LANGUAGE_RUSSIAN }, { "Korean", PSP_SYSTEMPARAM_LANGUAGE_KOREAN }, { "Chinese Traditional", PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL }, { "Chinese Simplified", PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED } });
static RetroOption<int> ppsspp_rendering_mode("ppsspp_rendering_mode", "Rendering Mode", { { "Buffered", FB_BUFFERED_MODE }, { "Skip Buffer Effects", FB_NON_BUFFERED_MODE } });
static RetroOption<bool> ppsspp_auto_frameskip("ppsspp_auto_frameskip", "Auto Frameskip", false);
static RetroOption<int> ppsspp_frameskip("ppsspp_frameskip", "Frameskip", { "Off", "1", "2", "3", "4", "5", "6", "7", "8" });
static RetroOption<int> ppsspp_frameskiptype("ppsspp_frameskiptype", "Frameskip Type", { {"Number of frames", 0}, {"Percent of FPS", 1} });
static RetroOption<int> ppsspp_internal_resolution("ppsspp_internal_resolution", "Internal Resolution (Restart)", 1, { "480x272", "960x544", "1440x816", "1920x1088", "2400x1360", "2880x1632", "3360x1904", "3840x2176", "4320x2448", "4800x2720" });
static RetroOption<int> ppsspp_button_preference("ppsspp_button_preference", "Confirmation Button", { { "Cross", PSP_SYSTEMPARAM_BUTTON_CROSS }, { "Circle", PSP_SYSTEMPARAM_BUTTON_CIRCLE } });
static RetroOption<bool> ppsspp_fast_memory("ppsspp_fast_memory", "Fast Memory (Speedhack)", true);
static RetroOption<bool> ppsspp_block_transfer_gpu("ppsspp_block_transfer_gpu", "Block Transfer GPU", true);
static RetroOption<int> ppsspp_inflight_frames("ppsspp_inflight_frames", "Buffered frames (Slower, less lag, restart)", { { "Up to 2", 2 }, { "Up to 1", 1 }, { "No buffer", 0 }, });
static RetroOption<int> ppsspp_texture_scaling_level("ppsspp_texture_scaling_level", "Texture Scaling Level", { { "Off", 1 }, { "2x", 2 }, { "3x", 3 }, { "4x", 4 }, { "5x", 5 } });
static RetroOption<int> ppsspp_texture_scaling_type("ppsspp_texture_scaling_type", "Texture Scaling Type", { { "xbrz", TextureScalerCommon::XBRZ }, { "hybrid", TextureScalerCommon::HYBRID }, { "bicubic", TextureScalerCommon::BICUBIC }, { "hybrid_bicubic", TextureScalerCommon::HYBRID_BICUBIC } });
static RetroOption<std::string> ppsspp_texture_shader("ppsspp_texture_shader", "Texture Shader (Vulkan only, overrides Texture Scaling Type)", { {"Off", "Off"}, {"4xBRZ", "Tex4xBRZ"}, {"MMPX", "TexMMPX"} });
static RetroOption<int> ppsspp_texture_filtering("ppsspp_texture_filtering", "Texture Filtering", { { "Auto", 1 }, { "Nearest", 2 }, { "Linear", 3 }, {"Auto max quality", 4}});
static RetroOption<int> ppsspp_texture_anisotropic_filtering("ppsspp_texture_anisotropic_filtering", "Anisotropic Filtering", { "off", "2x", "4x", "8x", "16x" });
static RetroOption<int> ppsspp_lower_resolution_for_effects("ppsspp_lower_resolution_for_effects", "Lower resolution for effects", { {"Off", 0}, {"Safe", 1}, {"Balanced", 2}, {"Aggressive", 3} });
static RetroOption<bool> ppsspp_texture_deposterize("ppsspp_texture_deposterize", "Texture Deposterize", false);
static RetroOption<bool> ppsspp_texture_replacement("ppsspp_texture_replacement", "Texture Replacement", false);
static RetroOption<bool> ppsspp_gpu_hardware_transform("ppsspp_gpu_hardware_transform", "GPU Hardware T&L", true);
static RetroOption<bool> ppsspp_vertex_cache("ppsspp_vertex_cache", "Vertex Cache (Speedhack)", false);
static RetroOption<bool> ppsspp_cheats("ppsspp_cheats", "Internal Cheats Support", false);
static RetroOption<IOTimingMethods> ppsspp_io_timing_method("ppsspp_io_timing_method", "IO Timing Method", { { "Fast", IOTimingMethods::IOTIMING_FAST }, { "Host", IOTimingMethods::IOTIMING_HOST }, { "Simulate UMD delays", IOTimingMethods::IOTIMING_REALISTIC } });
static RetroOption<bool> ppsspp_software_skinning("ppsspp_software_skinning", "Software Skinning", true);
static RetroOption<bool> ppsspp_ignore_bad_memory_access("ppsspp_ignore_bad_memory_access", "Ignore bad memory accesses", true);
static RetroOption<bool> ppsspp_lazy_texture_caching("ppsspp_lazy_texture_caching", "Lazy texture caching (Speedup)", false);
static RetroOption<bool> ppsspp_retain_changed_textures("ppsspp_retain_changed_textures", "Retain changed textures (Speedup, mem hog)", false);
static RetroOption<bool> ppsspp_force_lag_sync("ppsspp_force_lag_sync", "Force real clock sync (Slower, less lag)", false);
static RetroOption<int> ppsspp_spline_quality("ppsspp_spline_quality", "Spline/Bezier curves quality", { {"Low", 0}, {"Medium", 1}, {"High", 2} });
static RetroOption<bool> ppsspp_disable_slow_framebuffer_effects("ppsspp_disable_slow_framebuffer_effects", "Disable slower effects (Speedup)", false);
void retro_set_environment(retro_environment_t cb)
{
std::vector<retro_variable> vars;
vars.push_back(ppsspp_internal_resolution.GetOptions());
vars.push_back(ppsspp_cpu_core.GetOptions());
vars.push_back(ppsspp_locked_cpu_speed.GetOptions());
vars.push_back(ppsspp_language.GetOptions());
vars.push_back(ppsspp_button_preference.GetOptions());
vars.push_back(ppsspp_rendering_mode.GetOptions());
vars.push_back(ppsspp_gpu_hardware_transform.GetOptions());
vars.push_back(ppsspp_texture_anisotropic_filtering.GetOptions());
vars.push_back(ppsspp_spline_quality.GetOptions());
vars.push_back(ppsspp_auto_frameskip.GetOptions());
vars.push_back(ppsspp_frameskip.GetOptions());
vars.push_back(ppsspp_frameskiptype.GetOptions());
vars.push_back(ppsspp_vertex_cache.GetOptions());
vars.push_back(ppsspp_fast_memory.GetOptions());
vars.push_back(ppsspp_block_transfer_gpu.GetOptions());
vars.push_back(ppsspp_inflight_frames.GetOptions());
vars.push_back(ppsspp_software_skinning.GetOptions());
vars.push_back(ppsspp_lazy_texture_caching.GetOptions());
vars.push_back(ppsspp_retain_changed_textures.GetOptions());
vars.push_back(ppsspp_force_lag_sync.GetOptions());
vars.push_back(ppsspp_disable_slow_framebuffer_effects.GetOptions());
vars.push_back(ppsspp_lower_resolution_for_effects.GetOptions());
vars.push_back(ppsspp_texture_scaling_level.GetOptions());
vars.push_back(ppsspp_texture_scaling_type.GetOptions());
vars.push_back(ppsspp_texture_shader.GetOptions());
vars.push_back(ppsspp_texture_filtering.GetOptions());
vars.push_back(ppsspp_texture_deposterize.GetOptions());
vars.push_back(ppsspp_texture_replacement.GetOptions());
vars.push_back(ppsspp_io_timing_method.GetOptions());
vars.push_back(ppsspp_ignore_bad_memory_access.GetOptions());
vars.push_back(ppsspp_cheats.GetOptions());
vars.push_back({});
environ_cb = cb;
cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars.data());
}
static int get_language_auto(void)
{
retro_language val = RETRO_LANGUAGE_ENGLISH;
environ_cb(RETRO_ENVIRONMENT_GET_LANGUAGE, &val);
switch (val)
{
default:
case RETRO_LANGUAGE_ENGLISH:
return PSP_SYSTEMPARAM_LANGUAGE_ENGLISH;
case RETRO_LANGUAGE_JAPANESE:
return PSP_SYSTEMPARAM_LANGUAGE_JAPANESE;
case RETRO_LANGUAGE_FRENCH:
return PSP_SYSTEMPARAM_LANGUAGE_FRENCH;
case RETRO_LANGUAGE_GERMAN:
return PSP_SYSTEMPARAM_LANGUAGE_GERMAN;
case RETRO_LANGUAGE_SPANISH:
return PSP_SYSTEMPARAM_LANGUAGE_SPANISH;
case RETRO_LANGUAGE_ITALIAN:
return PSP_SYSTEMPARAM_LANGUAGE_ITALIAN;
case RETRO_LANGUAGE_PORTUGUESE_BRAZIL:
case RETRO_LANGUAGE_PORTUGUESE_PORTUGAL:
return PSP_SYSTEMPARAM_LANGUAGE_PORTUGUESE;
case RETRO_LANGUAGE_RUSSIAN:
return PSP_SYSTEMPARAM_LANGUAGE_RUSSIAN;
case RETRO_LANGUAGE_DUTCH:
return PSP_SYSTEMPARAM_LANGUAGE_DUTCH;
case RETRO_LANGUAGE_KOREAN:
return PSP_SYSTEMPARAM_LANGUAGE_KOREAN;
case RETRO_LANGUAGE_CHINESE_TRADITIONAL:
return PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL;
case RETRO_LANGUAGE_CHINESE_SIMPLIFIED:
return PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED;
}
}
static std::string map_psp_language_to_i18n_locale(int val)
{
switch (val)
{
default:
case PSP_SYSTEMPARAM_LANGUAGE_ENGLISH:
return "en_US";
case PSP_SYSTEMPARAM_LANGUAGE_JAPANESE:
return "ja_JP";
case PSP_SYSTEMPARAM_LANGUAGE_FRENCH:
return "fr_FR";
case PSP_SYSTEMPARAM_LANGUAGE_GERMAN:
return "de_DE";
case PSP_SYSTEMPARAM_LANGUAGE_SPANISH:
return "es_ES";
case PSP_SYSTEMPARAM_LANGUAGE_ITALIAN:
return "it_IT";
case PSP_SYSTEMPARAM_LANGUAGE_PORTUGUESE:
return "pt_PT";
case PSP_SYSTEMPARAM_LANGUAGE_RUSSIAN:
return "ru_RU";
case PSP_SYSTEMPARAM_LANGUAGE_DUTCH:
return "nl_NL";
case PSP_SYSTEMPARAM_LANGUAGE_KOREAN:
return "ko_KR";
case PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL:
return "zh_TW";
case PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED:
return "zh_CN";
}
}
static void check_variables(CoreParameter &coreParam)
{
bool updated = false;
if ( coreState != CoreState::CORE_POWERUP
&& environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated)
&& !updated)
return;
ppsspp_button_preference.Update(&g_Config.iButtonPreference);
ppsspp_fast_memory.Update(&g_Config.bFastMemory);
ppsspp_vertex_cache.Update(&g_Config.bVertexCache);
ppsspp_gpu_hardware_transform.Update(&g_Config.bHardwareTransform);
ppsspp_frameskip.Update(&g_Config.iFrameSkip);
ppsspp_frameskiptype.Update(&g_Config.iFrameSkipType);
ppsspp_auto_frameskip.Update(&g_Config.bAutoFrameSkip);
ppsspp_block_transfer_gpu.Update(&g_Config.bBlockTransferGPU);
ppsspp_texture_filtering.Update(&g_Config.iTexFiltering);
ppsspp_texture_anisotropic_filtering.Update(&g_Config.iAnisotropyLevel);
ppsspp_texture_deposterize.Update(&g_Config.bTexDeposterize);
ppsspp_texture_replacement.Update(&g_Config.bReplaceTextures);
ppsspp_cheats.Update(&g_Config.bEnableCheats);
ppsspp_locked_cpu_speed.Update(&g_Config.iLockedCPUSpeed);
ppsspp_rendering_mode.Update(&g_Config.iRenderingMode);
ppsspp_cpu_core.Update((CPUCore *)&g_Config.iCpuCore);
ppsspp_io_timing_method.Update((IOTimingMethods *)&g_Config.iIOTimingMethod);
ppsspp_lower_resolution_for_effects.Update(&g_Config.iBloomHack);
ppsspp_software_skinning.Update(&g_Config.bSoftwareSkinning);
ppsspp_ignore_bad_memory_access.Update(&g_Config.bIgnoreBadMemAccess);
ppsspp_lazy_texture_caching.Update(&g_Config.bTextureBackoffCache);
ppsspp_retain_changed_textures.Update(&g_Config.bTextureSecondaryCache);
ppsspp_force_lag_sync.Update(&g_Config.bForceLagSync);
ppsspp_spline_quality.Update(&g_Config.iSplineBezierQuality);
ppsspp_disable_slow_framebuffer_effects.Update(&g_Config.bDisableSlowFramebufEffects);
ppsspp_inflight_frames.Update(&g_Config.iInflightFrames);
const bool do_scaling_type_update = ppsspp_texture_scaling_type.Update(&g_Config.iTexScalingType);
const bool do_scaling_level_update = ppsspp_texture_scaling_level.Update(&g_Config.iTexScalingLevel);
const bool do_texture_shader_update = ppsspp_texture_shader.Update(&g_Config.sTextureShaderName);
g_Config.bTexHardwareScaling = "Off" != g_Config.sTextureShaderName;
if (gpu && (do_scaling_type_update || do_scaling_level_update || do_texture_shader_update))
{
gpu->ClearCacheNextFrame();
gpu->Resized();
}
ppsspp_language.Update(&g_Config.iLanguage);
if (g_Config.iLanguage < 0)
g_Config.iLanguage = get_language_auto();
g_Config.sLanguageIni = map_psp_language_to_i18n_locale(g_Config.iLanguage);
i18nrepo.LoadIni(g_Config.sLanguageIni);
if (ppsspp_internal_resolution.Update(&g_Config.iInternalResolution) && !PSP_IsInited())
{
coreParam.pixelWidth = coreParam.renderWidth = g_Config.iInternalResolution * 480;
coreParam.pixelHeight = coreParam.renderHeight = g_Config.iInternalResolution * 272;
if (gpu)
{
retro_system_av_info av_info;
retro_get_system_av_info(&av_info);
environ_cb(RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO, &av_info);
gpu->Resized();
}
}
bool isFastForwarding = environ_cb(RETRO_ENVIRONMENT_GET_FASTFORWARDING, &isFastForwarding);
coreParam.fastForward = isFastForwarding;
}
void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
void retro_init(void)
{
AudioBufferInit();
g_threadManager.Init(cpu_info.num_cores, cpu_info.logical_cpu_count);
struct retro_input_descriptor desc[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
{ 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
libretro_supports_bitmasks = true;
struct retro_log_callback log;
if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log))
{
LogManager::Init(&g_Config.bEnableLogging);
printfLogger = new PrintfLogger(log);
LogManager* logman = LogManager::GetInstance();
logman->RemoveListener(logman->GetConsoleListener());
logman->RemoveListener(logman->GetDebuggerListener());
logman->ChangeFileLog(nullptr);
logman->AddListener(printfLogger);
logman->SetAllLogLevels(LogTypes::LINFO);
}
g_Config.Load("", "");
g_Config.iInternalResolution = 0;
g_Config.sMACAddress = "12:34:56:78:9A:BC";
g_Config.bRenderDuplicateFrames = true;
const char* nickname = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_USERNAME, &nickname) && nickname)
g_Config.sNickName = std::string(nickname);
Path retro_base_dir;
Path retro_save_dir;
const char* dir_ptr = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir_ptr) && dir_ptr)
retro_base_dir = Path(dir_ptr);
if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir_ptr) && dir_ptr)
retro_save_dir = Path(dir_ptr);
retro_base_dir /= "PPSSPP";
g_Config.currentDirectory = retro_base_dir;
g_Config.defaultCurrentDirectory = retro_base_dir;
g_Config.memStickDirectory = retro_save_dir;
g_Config.flash0Directory = retro_base_dir / "flash0";
g_Config.internalDataDirectory = retro_base_dir;
VFSRegister("", new DirectoryAssetReader(retro_base_dir));
host = new LibretroHost();
}
void retro_deinit(void)
{
g_threadManager.Teardown();
LogManager::Shutdown();
delete printfLogger;
printfLogger = nullptr;
delete host;
host = nullptr;
libretro_supports_bitmasks = false;
AudioBufferDeinit();
}
void retro_set_controller_port_device(unsigned port, unsigned device)
{
(void)port;
(void)device;
}
void retro_get_system_info(struct retro_system_info *info)
{
*info = {};
info->library_name = "PPSSPP";
info->library_version = PPSSPP_GIT_VERSION;
info->need_fullpath = true;
info->valid_extensions = "elf|iso|cso|prx|pbp";
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
*info = {};
info->timing.fps = 60.0f / 1.001f;
info->timing.sample_rate = SAMPLERATE;
info->geometry.base_width = g_Config.iInternalResolution * 480;
info->geometry.base_height = g_Config.iInternalResolution * 272;
info->geometry.max_width = g_Config.iInternalResolution * 480;
info->geometry.max_height = g_Config.iInternalResolution * 272;
info->geometry.aspect_ratio = 480.0 / 272.0; // Not 16:9! But very, very close.
}
unsigned retro_api_version(void) { return RETRO_API_VERSION; }
namespace Libretro
{
bool useEmuThread = false;
std::atomic<EmuThreadState> emuThreadState(EmuThreadState::DISABLED);
static std::thread emuThread;
static void EmuFrame()
{
ctx->SetRenderTarget();
if (ctx->GetDrawContext())
ctx->GetDrawContext()->BeginFrame();
gpu->BeginHostFrame();
coreState = CORE_RUNNING;
PSP_RunLoopUntil(UINT64_MAX);
gpu->EndHostFrame();
if (ctx->GetDrawContext())
ctx->GetDrawContext()->EndFrame();
}
static void EmuThreadFunc()
{
SetCurrentThreadName("Emu");
for (;;)
{
switch ((EmuThreadState)emuThreadState)
{
case EmuThreadState::START_REQUESTED:
emuThreadState = EmuThreadState::RUNNING;
/* fallthrough */
case EmuThreadState::RUNNING:
EmuFrame();
break;
case EmuThreadState::PAUSE_REQUESTED:
emuThreadState = EmuThreadState::PAUSED;
/* fallthrough */
case EmuThreadState::PAUSED:
sleep_ms(1);
break;
default:
case EmuThreadState::QUIT_REQUESTED:
emuThreadState = EmuThreadState::STOPPED;
ctx->StopThread();
return;
}
}
}
void EmuThreadStart()
{
bool wasPaused = emuThreadState == EmuThreadState::PAUSED;
emuThreadState = EmuThreadState::START_REQUESTED;
if (!wasPaused)
{
ctx->ThreadStart();
emuThread = std::thread(&EmuThreadFunc);
}
}
void EmuThreadStop()
{
if (emuThreadState != EmuThreadState::RUNNING)
return;
emuThreadState = EmuThreadState::QUIT_REQUESTED;
// Need to keep eating frames to allow the EmuThread to exit correctly.
while (ctx->ThreadFrame())
AudioBufferFlush();
emuThread.join();
emuThread = std::thread();
ctx->ThreadEnd();
}
void EmuThreadPause()
{
if (emuThreadState != EmuThreadState::RUNNING)
return;
emuThreadState = EmuThreadState::PAUSE_REQUESTED;
ctx->ThreadFrame(); // Eat 1 frame
AudioBufferFlush();
while (emuThreadState != EmuThreadState::PAUSED)
sleep_ms(1);
}
} // namespace Libretro
bool retro_load_game(const struct retro_game_info *game)
{
retro_pixel_format fmt = retro_pixel_format::RETRO_PIXEL_FORMAT_XRGB8888;
if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
{
ERROR_LOG(SYSTEM, "XRGB8888 is not supported.\n");
return false;
}
coreState = CORE_POWERUP;
ctx = LibretroGraphicsContext::CreateGraphicsContext();
INFO_LOG(SYSTEM, "Using %s backend", ctx->Ident());
Core_SetGraphicsContext(ctx);
SetGPUBackend((GPUBackend)g_Config.iGPUBackend);
useEmuThread = ctx->GetGPUCore() == GPUCORE_GLES;
CoreParameter coreParam = {};
coreParam.enableSound = true;
coreParam.fileToStart = Path(std::string(game->path));
coreParam.mountIso.clear();
coreParam.startBreak = false;
coreParam.printfEmuLog = true;
coreParam.headLess = true;
coreParam.graphicsContext = ctx;
coreParam.gpuCore = ctx->GetGPUCore();
coreParam.cpuCore = (CPUCore)g_Config.iCpuCore;
check_variables(coreParam);
std::string error_string;
if (!PSP_InitStart(coreParam, &error_string))
{
ERROR_LOG(BOOT, "%s", error_string.c_str());
return false;
}
return true;
}
void retro_unload_game(void)
{
if (Libretro::useEmuThread)
Libretro::EmuThreadStop();
PSP_Shutdown();
VFSShutdown();
delete ctx;
ctx = nullptr;
PSP_CoreParameter().graphicsContext = nullptr;
}
void retro_reset(void)
{
std::string error_string;
PSP_Shutdown();
if (!PSP_Init(PSP_CoreParameter(), &error_string))
{
ERROR_LOG(BOOT, "%s", error_string.c_str());
environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, nullptr);
}
}
static void retro_input(void)
{
unsigned i;
int16_t ret = 0;
// clang-format off
static struct
{
u32 retro;
u32 sceCtrl;
} map[] = {
{ RETRO_DEVICE_ID_JOYPAD_UP, CTRL_UP },
{ RETRO_DEVICE_ID_JOYPAD_DOWN, CTRL_DOWN },
{ RETRO_DEVICE_ID_JOYPAD_LEFT, CTRL_LEFT },
{ RETRO_DEVICE_ID_JOYPAD_RIGHT, CTRL_RIGHT },
{ RETRO_DEVICE_ID_JOYPAD_X, CTRL_TRIANGLE },
{ RETRO_DEVICE_ID_JOYPAD_A, CTRL_CIRCLE },
{ RETRO_DEVICE_ID_JOYPAD_B, CTRL_CROSS },
{ RETRO_DEVICE_ID_JOYPAD_Y, CTRL_SQUARE },
{ RETRO_DEVICE_ID_JOYPAD_L, CTRL_LTRIGGER },
{ RETRO_DEVICE_ID_JOYPAD_R, CTRL_RTRIGGER },
{ RETRO_DEVICE_ID_JOYPAD_START, CTRL_START },
{ RETRO_DEVICE_ID_JOYPAD_SELECT, CTRL_SELECT },
};
// clang-format on
input_poll_cb();
if (libretro_supports_bitmasks)
ret = input_state_cb(0, RETRO_DEVICE_JOYPAD,
0, RETRO_DEVICE_ID_JOYPAD_MASK);
else
{
for (i = RETRO_DEVICE_ID_JOYPAD_B; i <= RETRO_DEVICE_ID_JOYPAD_R; i++)
if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
ret |= (1 << i);
}
for (i = 0; i < sizeof(map) / sizeof(*map); i++)
{
bool pressed = ret & (1 << map[i].retro);
if (pressed)
{
__CtrlButtonDown(map[i].sceCtrl);
}
else
{
__CtrlButtonUp(map[i].sceCtrl);
}
}
float x_left = input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 32767.0f;
float y_left = input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / -32767.0f;
float x_right = input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 32767.0f;
float y_right = input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / -32767.0f;
__CtrlSetAnalogXY(CTRL_STICK_LEFT, x_left, y_left);
__CtrlSetAnalogXY(CTRL_STICK_RIGHT, x_right, y_right);
}
void retro_run(void)
{
if (PSP_IsIniting())
{
std::string error_string;
while (!PSP_InitUpdate(&error_string))
sleep_ms(4);
if (!PSP_IsInited())
{
ERROR_LOG(BOOT, "%s", error_string.c_str());
environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, nullptr);
return;
}
}
check_variables(PSP_CoreParameter());
retro_input();
if (useEmuThread)
{
if( emuThreadState == EmuThreadState::PAUSED ||
emuThreadState == EmuThreadState::PAUSE_REQUESTED)
{
AudioUploadSamples();
ctx->SwapBuffers();
return;
}
if (emuThreadState != EmuThreadState::RUNNING)
EmuThreadStart();
if (!ctx->ThreadFrame())
{
AudioUploadSamples();
return;
}
}
else
EmuFrame();
AudioUploadSamples();
ctx->SwapBuffers();
}
unsigned retro_get_region(void) { return RETRO_REGION_NTSC; }
bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num) { return false; }
namespace SaveState
{
struct SaveStart
{
void DoState(PointerWrap &p);
};
} // namespace SaveState
size_t retro_serialize_size(void)
{
if(!gpu) { // The HW renderer isn't ready on first pass.
return 134217728; // 128MB ought to be enough for anybody.
}
SaveState::SaveStart state;
// TODO: Libretro API extension to use the savestate queue
if (useEmuThread)
EmuThreadPause();
return (CChunkFileReader::MeasurePtr(state) + 0x800000)
& ~0x7FFFFF; // We don't unpause intentionally
}
bool retro_serialize(void *data, size_t size)
{
if(!gpu) { // The HW renderer isn't ready on first pass.
return false;
}
bool retVal;
SaveState::SaveStart state;
// TODO: Libretro API extension to use the savestate queue
if (useEmuThread)
EmuThreadPause(); // Does nothing if already paused
size_t measured = CChunkFileReader::MeasurePtr(state);
assert(measured <= size);
auto err = CChunkFileReader::SavePtr((u8 *)data, state, measured);
retVal = err == CChunkFileReader::ERROR_NONE;
if (useEmuThread)
{
EmuThreadStart();
sleep_ms(4);
}
AudioBufferFlush();
return retVal;
}
bool retro_unserialize(const void *data, size_t size)
{
bool retVal;
SaveState::SaveStart state;
// TODO: Libretro API extension to use the savestate queue
if (useEmuThread)
EmuThreadPause(); // Does nothing if already paused
std::string errorString;
retVal = CChunkFileReader::LoadPtr((u8 *)data, state, &errorString)
== CChunkFileReader::ERROR_NONE;
if (useEmuThread)
{
EmuThreadStart();
sleep_ms(4);
}
AudioBufferFlush();
return retVal;
}
void *retro_get_memory_data(unsigned id)
{
if ( id == RETRO_MEMORY_SYSTEM_RAM )
return Memory::GetPointerUnchecked(PSP_GetKernelMemoryBase()) ;
return NULL;
}
size_t retro_get_memory_size(unsigned id)
{
if ( id == RETRO_MEMORY_SYSTEM_RAM )
return Memory::g_MemorySize ;
return 0;
}
void retro_cheat_reset(void) {}
void retro_cheat_set(unsigned index, bool enabled, const char *code) { }
int System_GetPropertyInt(SystemProperty prop)
{
switch (prop)
{
case SYSPROP_AUDIO_SAMPLE_RATE:
return SAMPLERATE;
#if PPSSPP_PLATFORM(ANDROID)
case SYSPROP_SYSTEMVERSION: {
char sdk[PROP_VALUE_MAX] = {0};
if (__system_property_get("ro.build.version.sdk", sdk) != 0) {
return atoi(sdk);
}
return -1;
}
#endif
default:
break;
}
return -1;
}
float System_GetPropertyFloat(SystemProperty prop)
{
switch (prop)
{
case SYSPROP_DISPLAY_REFRESH_RATE:
return 60.f;
case SYSPROP_DISPLAY_SAFE_INSET_LEFT:
case SYSPROP_DISPLAY_SAFE_INSET_RIGHT:
case SYSPROP_DISPLAY_SAFE_INSET_TOP:
case SYSPROP_DISPLAY_SAFE_INSET_BOTTOM:
return 0.0f;
default:
break;
}
return -1;
}
bool System_GetPropertyBool(SystemProperty prop)
{
switch (prop)
{
case SYSPROP_CAN_JIT:
return true;
default:
return false;
}
}
std::string System_GetProperty(SystemProperty prop) { return ""; }
std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) { return std::vector<std::string>(); }
void System_SendMessage(const char *command, const char *parameter) {}
void NativeUpdate() {}
void NativeRender(GraphicsContext *graphicsContext) {}
void NativeResized() {}
#if PPSSPP_PLATFORM(ANDROID) || PPSSPP_PLATFORM(IOS)
std::vector<std::string> __cameraGetDeviceList() { return std::vector<std::string>(); }
bool audioRecording_Available() { return false; }
bool audioRecording_State() { return false; }
void System_InputBoxGetString(const std::string &title, const std::string &defaultValue, std::function<void(bool, const std::string &)> cb) { cb(false, ""); }
#endif
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