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Made non-gfx RSP tasks execute on another thread, implemented VI registers

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This commit is contained in:
Mr-Wiseguy 2023-03-05 20:16:16 -05:00
parent f024c4db84
commit 6ab12039ed
3 changed files with 141 additions and 28 deletions
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159
portultra/events.cpp
View File

@ -37,7 +37,8 @@ static struct {
int retrace_count = 1;
} vi;
struct {
std::thread thread;
std::thread gfx_thread;
std::thread task_thread;
PTR(OSMesgQueue) mq = NULLPTR;
OSMesg msg = (OSMesg)0;
} sp;
@ -60,6 +61,7 @@ static struct {
std::mutex message_mutex;
uint8_t* rdram;
moodycamel::BlockingConcurrentQueue<Action> action_queue{};
std::atomic<OSTask*> sp_task = nullptr;
} events_context{};
extern "C" void osSetEventMesg(RDRAM_ARG OSEvent event_id, PTR(OSMesgQueue) mq_, OSMesg msg) {
@ -243,7 +245,39 @@ void run_rsp_microcode(uint8_t* rdram, const OSTask* task, RspUcodeFunc* ucode_f
sp_complete();
}
void event_thread_func(uint8_t* rdram, uint8_t* rom, std::atomic_flag* events_thread_ready) {
void task_thread_func(uint8_t* rdram, uint8_t* rom, std::atomic_flag* thread_ready) {
// Notify the caller thread that this thread is ready.
thread_ready->test_and_set();
thread_ready->notify_all();
while (1) {
// Wait until an RSP task has been sent
events_context.sp_task.wait(nullptr);
// Retrieve the task pointer and clear the pending RSP task
OSTask* task = events_context.sp_task;
events_context.sp_task.store(nullptr);
// Run the correct function based on the task type
if (task->t.type == M_AUDTASK) {
run_rsp_microcode(rdram, task, aspMain);
}
else if (task->t.type == M_NJPEGTASK) {
run_rsp_microcode(rdram, task, njpgdspMain);
}
else {
fprintf(stderr, "Unknown task type: %" PRIu32 "\n", task->t.type);
assert(false);
std::quick_exit(EXIT_FAILURE);
}
// Tell the game that the RSP has completed
sp_complete();
}
}
void gfx_thread_func(uint8_t* rdram, uint8_t* rom, std::atomic_flag* thread_ready) {
using namespace std::chrono_literals;
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
fprintf(stderr, "Failed to initialize SDL2: %s\n", SDL_GetError());
@ -259,8 +293,8 @@ void event_thread_func(uint8_t* rdram, uint8_t* rom, std::atomic_flag* events_th
rsp_constants_init();
// Notify the caller thread that this thread is ready.
events_thread_ready->test_and_set();
events_thread_ready->notify_all();
thread_ready->test_and_set();
thread_ready->notify_all();
while (true) {
// Try to pull an action from the queue
@ -268,20 +302,13 @@ void event_thread_func(uint8_t* rdram, uint8_t* rom, std::atomic_flag* events_th
if (events_context.action_queue.wait_dequeue_timed(action, 1ms)) {
// Determine the action type and act on it
if (const auto* task_action = std::get_if<SpTaskAction>(&action)) {
if (task_action->task.t.type == M_GFXTASK) {
// (TODO let RT64 do this) Tell the game that the RSP and RDP tasks are complete
RT64SendDL(rdram, &task_action->task);
sp_complete();
dp_complete();
} else if (task_action->task.t.type == M_AUDTASK) {
run_rsp_microcode(rdram, &task_action->task, aspMain);
} else if (task_action->task.t.type == M_NJPEGTASK) {
run_rsp_microcode(rdram, &task_action->task, njpgdspMain);
} else {
fprintf(stderr, "Unknown task type: %" PRIu32 "\n", task_action->task.t.type);
assert(false);
std::quick_exit(EXIT_FAILURE);
}
// Tell the game that the RSP completed instantly. This will allow it to queue other task types, but it won't
// start another graphics task until the RDP is also complete. Games usually preserve the RSP inputs until the RDP
// is finished as well, so sending this early shouldn't be an issue in most cases.
// If this causes issues then the logic can be replaced with responding to yield requests.
sp_complete();
RT64SendDL(rdram, &task_action->task);
dp_complete();
} else if (const auto* swap_action = std::get_if<SwapBuffersAction>(&action)) {
static volatile int i = 0;
if (i >= 100) {
@ -319,9 +346,16 @@ extern unsigned int VI_V_BURST_REG;
extern unsigned int VI_X_SCALE_REG;
extern unsigned int VI_Y_SCALE_REG;
uint32_t hstart = 0;
uint32_t vi_origin_offset = 320 * sizeof(uint16_t);
bool vi_black = false;
extern "C" void osViSwapBuffer(RDRAM_ARG PTR(void) frameBufPtr) {
if (vi_black) {
VI_H_START_REG = 0;
} else {
VI_H_START_REG = hstart;
}
events_context.vi.next_buffer = frameBufPtr;
events_context.action_queue.enqueue(SwapBuffersAction{ osVirtualToPhysical(frameBufPtr) + vi_origin_offset });
}
@ -334,7 +368,7 @@ extern "C" void osViSetMode(RDRAM_ARG PTR(OSViMode) mode_) {
VI_V_SYNC_REG = mode->comRegs.vSync;
VI_H_SYNC_REG = mode->comRegs.hSync;
VI_LEAP_REG = mode->comRegs.leap;
VI_H_START_REG = mode->comRegs.hStart;
hstart = mode->comRegs.hStart;
VI_X_SCALE_REG = mode->comRegs.xScale;
VI_V_CURRENT_LINE_REG = mode->comRegs.vCurrent;
@ -346,6 +380,71 @@ extern "C" void osViSetMode(RDRAM_ARG PTR(OSViMode) mode_) {
VI_INTR_REG = mode->fldRegs[0].vIntr;
}
#define VI_CTRL_TYPE_16 0x00002
#define VI_CTRL_TYPE_32 0x00003
#define VI_CTRL_GAMMA_DITHER_ON 0x00004
#define VI_CTRL_GAMMA_ON 0x00008
#define VI_CTRL_DIVOT_ON 0x00010
#define VI_CTRL_SERRATE_ON 0x00040
#define VI_CTRL_ANTIALIAS_MASK 0x00300
#define VI_CTRL_ANTIALIAS_MODE_1 0x00100
#define VI_CTRL_ANTIALIAS_MODE_2 0x00200
#define VI_CTRL_ANTIALIAS_MODE_3 0x00300
#define VI_CTRL_PIXEL_ADV_MASK 0x01000
#define VI_CTRL_PIXEL_ADV_1 0x01000
#define VI_CTRL_PIXEL_ADV_2 0x02000
#define VI_CTRL_PIXEL_ADV_3 0x03000
#define VI_CTRL_DITHER_FILTER_ON 0x10000
#define OS_VI_GAMMA_ON 0x0001
#define OS_VI_GAMMA_OFF 0x0002
#define OS_VI_GAMMA_DITHER_ON 0x0004
#define OS_VI_GAMMA_DITHER_OFF 0x0008
#define OS_VI_DIVOT_ON 0x0010
#define OS_VI_DIVOT_OFF 0x0020
#define OS_VI_DITHER_FILTER_ON 0x0040
#define OS_VI_DITHER_FILTER_OFF 0x0080
extern "C" void osViSetSpecialFeatures(uint32_t func) {
if ((func & OS_VI_GAMMA_ON) != 0) {
VI_STATUS_REG |= VI_CTRL_GAMMA_ON;
}
if ((func & OS_VI_GAMMA_OFF) != 0) {
VI_STATUS_REG &= ~VI_CTRL_GAMMA_ON;
}
if ((func & OS_VI_GAMMA_DITHER_ON) != 0) {
VI_STATUS_REG |= VI_CTRL_GAMMA_DITHER_ON;
}
if ((func & OS_VI_GAMMA_DITHER_OFF) != 0) {
VI_STATUS_REG &= ~VI_CTRL_GAMMA_DITHER_ON;
}
if ((func & OS_VI_DIVOT_ON) != 0) {
VI_STATUS_REG |= VI_CTRL_DIVOT_ON;
}
if ((func & OS_VI_DIVOT_OFF) != 0) {
VI_STATUS_REG &= ~VI_CTRL_DIVOT_ON;
}
if ((func & OS_VI_DITHER_FILTER_ON) != 0) {
VI_STATUS_REG |= VI_CTRL_DITHER_FILTER_ON;
VI_STATUS_REG &= ~VI_CTRL_ANTIALIAS_MASK;
}
if ((func & OS_VI_DITHER_FILTER_OFF) != 0) {
VI_STATUS_REG &= ~VI_CTRL_DITHER_FILTER_ON;
//VI_STATUS_REG |= __osViNext->modep->comRegs.ctrl & VI_CTRL_ANTIALIAS_MASK;
}
}
extern "C" void osViBlack(uint8_t active) {
vi_black = active;
}
extern "C" PTR(void) osViGetNextFramebuffer() {
return events_context.vi.next_buffer;
}
@ -356,7 +455,16 @@ extern "C" PTR(void) osViGetCurrentFramebuffer() {
void Multilibultra::submit_rsp_task(RDRAM_ARG PTR(OSTask) task_) {
OSTask* task = TO_PTR(OSTask, task_);
events_context.action_queue.enqueue(SpTaskAction{ *task });
// Send gfx tasks to the graphics action queue
if (task->t.type == M_GFXTASK) {
events_context.action_queue.enqueue(SpTaskAction{ *task });
}
// Set all other tasks as the RSP task
else {
events_context.sp_task.store(task);
events_context.sp_task.notify_all();
}
}
void Multilibultra::send_si_message() {
@ -365,13 +473,16 @@ void Multilibultra::send_si_message() {
}
void Multilibultra::init_events(uint8_t* rdram, uint8_t* rom) {
std::atomic_flag events_thread_ready;
std::atomic_flag gfx_thread_ready;
std::atomic_flag task_thread_ready;
events_context.rdram = rdram;
events_context.sp.thread = std::thread{ event_thread_func, rdram, rom, &events_thread_ready };
events_context.sp.gfx_thread = std::thread{ gfx_thread_func, rdram, rom, &gfx_thread_ready };
events_context.sp.task_thread = std::thread{ task_thread_func, rdram, rom, &task_thread_ready };
// Wait for the event thread to be ready before continuing to prevent the game from
// Wait for the two sp threads to be ready before continuing to prevent the game from
// running before we're able to handle RSP tasks.
events_thread_ready.wait(false);
gfx_thread_ready.wait(false);
task_thread_ready.wait(false);
events_context.vi.thread = std::thread{ vi_thread_func };
}

2
portultra/ultra64.h
View File

@ -235,6 +235,8 @@ void osSetEventMesg(RDRAM_ARG OSEvent, PTR(OSMesgQueue), OSMesg);
void osViSetEvent(RDRAM_ARG PTR(OSMesgQueue), OSMesg, u32);
void osViSwapBuffer(RDRAM_ARG PTR(void) frameBufPtr);
void osViSetMode(RDRAM_ARG PTR(OSViMode));
void osViSetSpecialFeatures(uint32_t func);
void osViBlack(uint8_t active);
PTR(void) osViGetNextFramebuffer();
PTR(void) osViGetCurrentFramebuffer();
u32 osGetCount();

8
src/vi.cpp
View File

@ -2,11 +2,11 @@
#include "recomp.h"
extern "C" void osViSetYScale_recomp(uint8_t* rdram, recomp_context * ctx) {
;
assert(false);
}
extern "C" void osViSetXScale_recomp(uint8_t* rdram, recomp_context * ctx) {
;
assert(false);
}
extern "C" void osCreateViManager_recomp(uint8_t* rdram, recomp_context* ctx) {
@ -14,11 +14,11 @@ extern "C" void osCreateViManager_recomp(uint8_t* rdram, recomp_context* ctx) {
}
extern "C" void osViBlack_recomp(uint8_t* rdram, recomp_context* ctx) {
;
osViBlack((uint32_t)ctx->r4);
}
extern "C" void osViSetSpecialFeatures_recomp(uint8_t* rdram, recomp_context* ctx) {
;
osViSetSpecialFeatures((uint32_t)ctx->r4);
}
extern "C" void osViGetCurrentFramebuffer_recomp(uint8_t* rdram, recomp_context* ctx) {