X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Flibretro.c;h=09e833bad1de3672d1aea7820420cf454cd65ab7;hp=53e7fa5df8e5fc3f198fda30bcbfdd1fc75633ca;hb=32ab9e53f99b5b37b1262807393382baed8d8bba;hpb=5bed9d68e0ece9708cd384305418ca7a42d6e3ff diff --git a/frontend/libretro.c b/frontend/libretro.c index 53e7fa5d..09e833ba 100644 --- a/frontend/libretro.c +++ b/frontend/libretro.c @@ -5,9 +5,11 @@ * See the COPYING file in the top-level directory. */ +#define _GNU_SOURCE 1 // strcasestr #include #include #include +#include #include "../libpcsxcore/misc.h" #include "../libpcsxcore/psxcounters.h" @@ -17,6 +19,7 @@ #include "../libpcsxcore/cdriso.h" #include "../libpcsxcore/cheat.h" #include "../plugins/dfsound/out.h" +#include "../plugins/dfinput/externals.h" #include "cspace.h" #include "main.h" #include "plugin.h" @@ -34,6 +37,7 @@ static void *vout_buf; static int vout_width, vout_height; static int vout_doffs_old, vout_fb_dirty; static bool vout_can_dupe; +static bool duping_enable; static int samples_sent, samples_to_send; static int plugins_opened; @@ -49,6 +53,10 @@ int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; int in_keystate; int in_enable_vibration; +/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */ +#define VOUT_MAX_WIDTH 1024 +#define VOUT_MAX_HEIGHT 512 + static void init_memcard(char *mcd_data) { unsigned off = 0; @@ -234,9 +242,17 @@ void retro_set_environment(retro_environment_t cb) { static const struct retro_variable vars[] = { { "frameskip", "Frameskip; 0|1|2|3" }, + { "region", "Region; Auto|NTSC|PAL" }, + { "pad1type", "Pad 1 Type; standard|analog" }, +#ifndef DRC_DISABLE + { "rearmed_drc", "Dynamic recompiler; enabled|disabled" }, +#endif #ifdef __ARM_NEON__ + { "neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" }, { "neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" }, + { "neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" }, #endif + { "pcsx_rearmed_duping_enable", "Frame duping; on|off" }, { NULL, NULL }, }; @@ -276,8 +292,8 @@ void retro_get_system_av_info(struct retro_system_av_info *info) info->timing.sample_rate = 44100; info->geometry.base_width = 320; info->geometry.base_height = 240; - info->geometry.max_width = 640; - info->geometry.max_height = 512; + info->geometry.max_width = VOUT_MAX_WIDTH; + info->geometry.max_height = VOUT_MAX_HEIGHT; info->geometry.aspect_ratio = 4.0 / 3.0; } @@ -582,6 +598,33 @@ static void extract_directory(char *buf, const char *path, size_t size) } } +#ifdef __QNX__ +/* Blackberry QNX doesn't have strcasestr */ + +/* + * Find the first occurrence of find in s, ignore case. + */ +char * +strcasestr(const char *s, const char*find) +{ + char c, sc; + size_t len; + + if ((c = *find++) != 0) { + c = tolower((unsigned char)c); + len = strlen(find); + do { + do { + if ((sc = *s++) == 0) + return (NULL); + } while ((char)tolower((unsigned char)sc) != c); + } while (strncasecmp(s, find, len) != 0); + s--; + } + return ((char *)s); +} +#endif + bool retro_load_game(const struct retro_game_info *info) { size_t i; @@ -642,6 +685,7 @@ bool retro_load_game(const struct retro_game_info *info) } plugin_call_rearmed_cbs(); + dfinput_activate(); Config.PsxAuto = 1; if (CheckCdrom() == -1) { @@ -724,7 +768,7 @@ static const unsigned short retro_psx_map[] = { }; #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0])) -static void update_variables(void) +static void update_variables(bool in_flight) { struct retro_variable var; @@ -733,7 +777,43 @@ static void update_variables(void) if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) pl_rearmed_cbs.frameskip = atoi(var.value); + + var.value = NULL; + var.key = "region"; + + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) + { + Config.PsxAuto = 0; + if (strcmp(var.value, "Automatic") == 0) + Config.PsxAuto = 1; + else if (strcmp(var.value, "NTSC") == 0) + Config.PsxType = 0; + else if (strcmp(var.value, "PAL") == 0) + Config.PsxType = 1; + } + + var.value = NULL; + var.key = "pad1type"; + + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) + { + in_type1 = PSE_PAD_TYPE_STANDARD; + if (strcmp(var.value, "analog") == 0) + in_type1 = PSE_PAD_TYPE_ANALOGPAD; + } + #ifdef __ARM_NEON__ + var.value = "NULL"; + var.key = "neon_interlace_enable"; + + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) + { + if (strcmp(var.value, "disabled") == 0) + pl_rearmed_cbs.gpu_neon.allow_interlace = 0; + else if (strcmp(var.value, "enabled") == 0) + pl_rearmed_cbs.gpu_neon.allow_interlace = 1; + } + var.value = NULL; var.key = "neon_enhancement_enable"; @@ -744,7 +824,63 @@ static void update_variables(void) else if (strcmp(var.value, "enabled") == 0) pl_rearmed_cbs.gpu_neon.enhancement_enable = 1; } + + var.value = NULL; + var.key = "neon_enhancement_no_main"; + + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) + { + if (strcmp(var.value, "disabled") == 0) + pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0; + else if (strcmp(var.value, "enabled") == 0) + pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1; + } #endif + + var.value = "NULL"; + var.key = "pcsx_rearmed_duping_enable"; + + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) + { + if (strcmp(var.value, "off") == 0) + duping_enable = false; + else if (strcmp(var.value, "on") == 0) + duping_enable = true; + } + +#ifndef DRC_DISABLE + var.value = NULL; + var.key = "rearmed_drc"; + + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) + { + R3000Acpu *prev_cpu = psxCpu; + + if (strcmp(var.value, "disabled") == 0) + Config.Cpu = CPU_INTERPRETER; + else if (strcmp(var.value, "enabled") == 0) + Config.Cpu = CPU_DYNAREC; + + psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec; + if (psxCpu != prev_cpu) { + prev_cpu->Shutdown(); + psxCpu->Init(); + psxCpu->Reset(); // not really a reset.. + } + } +#endif + + if (in_flight) { + // inform core things about possible config changes + plugin_call_rearmed_cbs(); + + if (GPU_open != NULL && GPU_close != NULL) { + GPU_close(); + GPU_open(&gpuDisp, "PCSX", NULL); + } + + dfinput_activate(); + } } void retro_run(void) @@ -753,9 +889,9 @@ void retro_run(void) input_poll_cb(); - bool updated = false; - if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) - update_variables(); + bool updated = false; + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) + update_variables(true); in_keystate = 0; for (i = 0; i < RETRO_PSX_MAP_LEN; i++) @@ -766,23 +902,91 @@ void retro_run(void) if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i)) in_keystate |= retro_psx_map[i]; + if (in_type1 == PSE_PAD_TYPE_ANALOGPAD) + { + in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128; + in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128; + in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128; + in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128; + } + stop = 0; psxCpu->Execute(); samples_to_send += is_pal_mode ? 44100 / 50 : 44100 / 60; - video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL, + video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL, vout_width, vout_height, vout_width * 2); vout_fb_dirty = 0; } +static bool try_use_bios(const char *path) +{ + FILE *f; + long size; + const char *name; + + f = fopen(path, "rb"); + if (f == NULL) + return false; + + fseek(f, 0, SEEK_END); + size = ftell(f); + fclose(f); + + if (size != 512 * 1024) + return false; + + name = strrchr(path, SLASH); + if (name++ == NULL) + name = path; + snprintf(Config.Bios, sizeof(Config.Bios), "%s", name); + return true; +} + +#if 1 +#include +#include + +static bool find_any_bios(const char *dirpath, char *path, size_t path_size) +{ + DIR *dir; + struct dirent *ent; + bool ret = false; + + dir = opendir(dirpath); + if (dir == NULL) + return false; + + while ((ent = readdir(dir))) { + if (strncasecmp(ent->d_name, "scph", 4) != 0) + continue; + + snprintf(path, path_size, "%s/%s", dirpath, ent->d_name); + ret = try_use_bios(path); + if (ret) + break; + } + closedir(dir); + return ret; +} +#else +#define find_any_bios(...) false +#endif + +static void check_system_specs(void) +{ + unsigned level = 6; + environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); +} + void retro_init(void) { const char *bios[] = { "scph1001", "scph5501", "scph7001" }; const char *dir; char path[256]; - FILE *f = NULL; int i, ret, level; + bool found_bios = false; ret = emu_core_preinit(); ret |= emu_core_init(); @@ -791,7 +995,11 @@ void retro_init(void) exit(1); } - vout_buf = malloc(640 * 512 * 2); +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) + posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); +#else + vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); +#endif if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) { @@ -799,19 +1007,27 @@ void retro_init(void) for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) { snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]); - f = fopen(path, "r"); - if (f != NULL) { - snprintf(Config.Bios, sizeof(Config.Bios), "%s.bin", bios[i]); + found_bios = try_use_bios(path); + if (found_bios) break; - } } + + if (!found_bios) + found_bios = find_any_bios(dir, path, sizeof(path)); } - if (f != NULL) { + if (found_bios) { SysPrintf("found BIOS file: %s\n", Config.Bios); - fclose(f); } else + { SysPrintf("no BIOS files found.\n"); + struct retro_message msg = + { + "no BIOS found, expect bugs!", + 180 + }; + environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg); + } level = 1; environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); @@ -838,7 +1054,8 @@ void retro_init(void) SaveFuncs.seek = save_seek; SaveFuncs.close = save_close; - update_variables(); + update_variables(false); + check_system_specs(); } void retro_deinit(void)