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gopher64/parallel-rdp/interface.cpp
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Logan McNaughton 2005fb1421 don't update window when minimized (#898)
2026-05-16 18:46:00 +00:00

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#include "interface.hpp"
#include "../retroachievements/retroachievements.h"
#include "rdp_device.hpp"
#include "spirv.hpp"
#include "spirv_crt.hpp"
#include "wsi.hpp"
#include "wsi_platform.hpp"
#include <SDL3/SDL_vulkan.h>
#include <SDL3_ttf/SDL_ttf.h>
#include <cmath>
#include <map>
using namespace Vulkan;
#define DP_STATUS_XBUS_DMA 0x01
#define DP_STATUS_FREEZE 0x02
#define DP_STATUS_FLUSH 0x04
#define DP_STATUS_START_GCLK 0x008
#define DP_STATUS_TMEM_BUSY 0x010
#define DP_STATUS_PIPE_BUSY 0x020
#define DP_STATUS_CMD_BUSY 0x040
#define DP_STATUS_CBUF_READY 0x080
#define DP_STATUS_DMA_BUSY 0x100
#define DP_STATUS_END_VALID 0x200
#define DP_STATUS_START_VALID 0x400
enum dpc_registers {
DPC_START_REG,
DPC_END_REG,
DPC_CURRENT_REG,
DPC_STATUS_REG,
DPC_CLOCK_REG,
DPC_BUFBUSY_REG,
DPC_PIPEBUSY_REG,
DPC_TMEM_REG,
DPC_REGS_COUNT
};
enum vi_registers {
VI_STATUS_REG,
VI_ORIGIN_REG,
VI_WIDTH_REG,
VI_V_INTR_REG,
VI_CURRENT_REG,
VI_BURST_REG,
VI_V_SYNC_REG,
VI_H_SYNC_REG,
VI_LEAP_REG,
VI_H_START_REG,
VI_V_START_REG,
VI_V_BURST_REG,
VI_X_SCALE_REG,
VI_Y_SCALE_REG,
VI_REGS_COUNT
};
enum user_event_codes {
USER_EVENT_SAVE_STATE = 1,
USER_EVENT_LOAD_STATE = 2,
USER_EVENT_EXIT_GAME = 3,
USER_EVENT_FAST_FORWARD = 4,
};
typedef struct {
uint32_t depthbuffer_address;
uint32_t framebuffer_address;
uint32_t framebuffer_y_offset;
uint32_t texture_address;
uint32_t framebuffer_pixel_size;
uint32_t framebuffer_width;
uint32_t texture_pixel_size;
uint32_t texture_width;
uint32_t framebuffer_height;
bool depth_buffer_enabled;
} FrameBufferInfo;
typedef struct {
uint32_t cmd_data[0x00040000 >> 2];
int cmd_cur;
int cmd_ptr;
uint32_t region;
FrameBufferInfo frame_buffer_info;
} RDP_DEVICE;
typedef struct {
uint32_t fps;
uint32_t vis;
} FPS_DATA;
typedef struct {
std::string message;
uint64_t milliseconds;
Vulkan::ImageHandle image;
} Message;
static SDL_Window *window;
static RDP::CommandProcessor *processor;
static SDL_WSIPlatform *wsi_platform;
static WSI *wsi;
static RDP_DEVICE rdp_device;
static bool crop_letterbox;
static CALL_BACK callback;
static GFX_INFO gfx_info;
static const uint32_t *fragment_spirv;
static size_t fragment_size;
static std::vector<bool> rdram_dirty;
static uint64_t sync_signal;
static TTF_Font *message_font;
static std::queue<Message> messages;
static TTF_Font *achievement_challenge_indicator_font;
static std::vector<const char *> achievement_challenge_indicators;
static Vulkan::ImageHandle achievement_challenge_indicator_image;
static Vulkan::ImageHandle achievement_progress_indicator_image;
static std::map<uint32_t, std::string> leaderboard_trackers;
static bool display_challenge_indicator;
static bool display_fps;
static Vulkan::ImageHandle fps_image;
static std::queue<JoystickEvent> joystick_events;
typedef struct {
float SourceSize[4];
float OutputSize[4];
} Push;
static const unsigned cmd_len_lut[64] = {
1, 1, 1, 1, 1, 1, 1, 1, 4, 6, 12, 14, 12, 14, 20, 22, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};
static void add_joystick_event(void *userdata) {
JoystickEvent *joystick_event = (JoystickEvent *)userdata;
joystick_events.push(*joystick_event);
delete joystick_event;
}
bool sdl_event_filter(void *userdata, SDL_Event *event) {
if (event->type == SDL_EVENT_WINDOW_CLOSE_REQUESTED) {
callback.paused = false;
callback.emu_running = false;
} else if (event->type == SDL_EVENT_WINDOW_RESIZED && callback.emu_running) {
wsi_platform->do_resize();
} else if (event->type == SDL_EVENT_KEY_DOWN && !event->key.repeat) {
SDL_Event user_event;
switch (event->key.scancode) {
case SDL_SCANCODE_RETURN:
if (event->key.mod & SDL_KMOD_ALT) {
gfx_info.fullscreen = !gfx_info.fullscreen;
SDL_SetWindowFullscreen(window, gfx_info.fullscreen);
}
break;
case SDL_SCANCODE_F:
if (event->key.mod & SDL_KMOD_ALT) {
SDL_zero(user_event);
user_event.type = SDL_EVENT_USER;
user_event.user.code = USER_EVENT_FAST_FORWARD;
SDL_PushEvent(&user_event);
}
break;
case SDL_SCANCODE_P:
if (event->key.mod & SDL_KMOD_ALT) {
callback.paused = !callback.paused;
}
break;
case SDL_SCANCODE_ESCAPE:
if (gfx_info.fullscreen) {
SDL_zero(user_event);
user_event.type = SDL_EVENT_USER;
user_event.user.code = USER_EVENT_EXIT_GAME;
SDL_PushEvent(&user_event);
}
break;
case SDL_SCANCODE_F1:
display_fps = !display_fps;
break;
case SDL_SCANCODE_F4:
crop_letterbox = !crop_letterbox;
break;
case SDL_SCANCODE_F5:
SDL_zero(user_event);
user_event.type = SDL_EVENT_USER;
user_event.user.code = USER_EVENT_SAVE_STATE;
SDL_PushEvent(&user_event);
break;
case SDL_SCANCODE_F7:
SDL_zero(user_event);
user_event.type = SDL_EVENT_USER;
user_event.user.code = USER_EVENT_LOAD_STATE;
SDL_PushEvent(&user_event);
break;
case SDL_SCANCODE_F8:
if (messages.empty())
SDL_RunOnMainThread(ra_display_inprogress_achievements, nullptr, false);
break;
case SDL_SCANCODE_F9:
display_challenge_indicator = !display_challenge_indicator;
rdp_onscreen_message(
std::format("Challenge indicators: {}",
display_challenge_indicator ? "ON" : "OFF")
.c_str(),
MESSAGE_VERY_SHORT);
break;
case SDL_SCANCODE_F12:
callback.reset_game = true;
break;
case SDL_SCANCODE_LEFTBRACKET:
callback.lower_volume = true;
break;
case SDL_SCANCODE_RIGHTBRACKET:
callback.raise_volume = true;
break;
case SDL_SCANCODE_SLASH:
callback.frame_advance = true;
break;
case SDL_SCANCODE_0:
case SDL_SCANCODE_1:
case SDL_SCANCODE_2:
case SDL_SCANCODE_3:
case SDL_SCANCODE_4:
case SDL_SCANCODE_5:
case SDL_SCANCODE_6:
case SDL_SCANCODE_7:
case SDL_SCANCODE_8:
case SDL_SCANCODE_9:
if (event->key.mod & SDL_KMOD_ALT) {
if (event->key.scancode == SDL_SCANCODE_0)
callback.save_state_slot = 0;
else
callback.save_state_slot = event->key.scancode - SDL_SCANCODE_1 + 1;
}
break;
default:
break;
}
} else if (event->type == SDL_EVENT_USER) {
switch (event->user.code) {
case USER_EVENT_SAVE_STATE:
callback.save_state = true;
break;
case USER_EVENT_LOAD_STATE:
callback.load_state = true;
break;
case USER_EVENT_EXIT_GAME:
callback.emu_running = false;
break;
case USER_EVENT_FAST_FORWARD:
callback.enable_speedlimiter = !callback.enable_speedlimiter;
break;
default:
break;
}
} else if (event->type == SDL_EVENT_JOYSTICK_ADDED) {
JoystickEvent *joystick_event = new JoystickEvent;
joystick_event->joystick_id = event->jdevice.which;
joystick_event->connected = true;
SDL_RunOnMainThread(add_joystick_event, joystick_event, false);
} else if (event->type == SDL_EVENT_JOYSTICK_REMOVED) {
JoystickEvent *joystick_event = new JoystickEvent;
joystick_event->joystick_id = event->jdevice.which;
joystick_event->connected = false;
SDL_RunOnMainThread(add_joystick_event, joystick_event, false);
}
return 0;
}
JoystickEvent get_joystick_event() {
if (joystick_events.empty())
return JoystickEvent{0, false};
JoystickEvent joystick_event = joystick_events.front();
joystick_events.pop();
return joystick_event;
}
void rdp_new_processor(GFX_INFO _gfx_info) {
gfx_info = _gfx_info;
sync_signal = 0;
rdram_dirty.assign(gfx_info.RDRAM_SIZE >> 3, false);
if (processor) {
delete processor;
}
RDP::CommandProcessorFlags flags = 0;
if (gfx_info.upscale == 2) {
flags |= RDP::COMMAND_PROCESSOR_FLAG_SUPER_SAMPLED_DITHER_BIT;
flags |= RDP::COMMAND_PROCESSOR_FLAG_UPSCALING_2X_BIT;
} else if (gfx_info.upscale == 4) {
flags |= RDP::COMMAND_PROCESSOR_FLAG_SUPER_SAMPLED_DITHER_BIT;
flags |= RDP::COMMAND_PROCESSOR_FLAG_UPSCALING_4X_BIT;
} else if (gfx_info.upscale == 8) {
flags |= RDP::COMMAND_PROCESSOR_FLAG_SUPER_SAMPLED_DITHER_BIT;
flags |= RDP::COMMAND_PROCESSOR_FLAG_UPSCALING_8X_BIT;
} else {
gfx_info.upscale = 1;
}
processor = new RDP::CommandProcessor(wsi->get_device(), gfx_info.RDRAM, 0,
gfx_info.RDRAM_SIZE,
gfx_info.RDRAM_SIZE / 2, flags);
}
static ImageHandle create_message_image(Vulkan::Device &device, int width,
TTF_Font *font, const char *message) {
if (strstr(message, "\n"))
width = 0;
SDL_Color fg = {255, 255, 255, 255};
SDL_Color bg = {0, 0, 0, 0};
SDL_Surface *surface =
TTF_RenderText_LCD_Wrapped(font, message, 0, fg, bg, width);
ImageCreateInfo info = ImageCreateInfo::immutable_2d_image(
surface->w, surface->h, VK_FORMAT_B8G8R8A8_UNORM, false);
ImageInitialData initial_data = {};
initial_data.data = surface->pixels;
initial_data.row_length = surface->pitch / 4;
initial_data.image_height = surface->h;
ImageHandle handle = device.create_image(info, &initial_data);
SDL_DestroySurface(surface);
return handle;
}
void rdp_init(void *_window, GFX_INFO _gfx_info, const void *font,
size_t font_size, uint32_t save_state_slot) {
memset(&rdp_device, 0, sizeof(RDP_DEVICE));
window = (SDL_Window *)_window;
SDL_SyncWindow(window);
bool result = SDL_AddEventWatch(sdl_event_filter, nullptr);
if (!result) {
printf("Could not add event watch.\n");
return;
}
gfx_info = _gfx_info;
if (gfx_info.crt) {
fragment_spirv = crt_fragment_spirv;
fragment_size = sizeof(crt_fragment_spirv);
} else {
fragment_spirv = plain_fragment_spirv;
fragment_size = sizeof(plain_fragment_spirv);
}
wsi = new WSI;
wsi_platform = new SDL_WSIPlatform;
wsi_platform->set_window(window);
wsi->set_platform(wsi_platform);
if (gfx_info.vsync) {
// VK_PRESENT_MODE_MAILBOX_KHR, fallback to VK_PRESENT_MODE_FIFO_KHR
wsi->set_present_mode(PresentMode::UnlockedNoTearing);
} else {
// VK_PRESENT_MODE_MAILBOX_KHR, fallback to VK_PRESENT_MODE_IMMEDIATE_KHR
wsi->set_present_mode(PresentMode::UnlockedMaybeTear);
}
wsi->set_backbuffer_srgb(false);
Context::SystemHandles handles = {};
if (!::Vulkan::Context::init_loader(
(PFN_vkGetInstanceProcAddr)SDL_Vulkan_GetVkGetInstanceProcAddr())) {
rdp_close();
return;
}
if (!wsi->init_simple(1, handles)) {
rdp_close();
return;
}
rdp_new_processor(gfx_info);
if (!processor->device_is_supported()) {
rdp_close();
return;
}
message_font =
TTF_OpenFontIO(SDL_IOFromConstMem(font, font_size), true, 25.0);
achievement_challenge_indicator_font =
TTF_OpenFontIO(SDL_IOFromConstMem(font, font_size), true, 12.0);
if (!message_font || !achievement_challenge_indicator_font) {
rdp_close();
return;
}
wsi->begin_frame();
callback.emu_running = true;
callback.enable_speedlimiter = true;
callback.paused = false;
callback.save_state_slot = save_state_slot;
crop_letterbox = false;
messages = std::queue<Message>();
display_challenge_indicator = true;
achievement_challenge_indicators.clear();
leaderboard_trackers.clear();
achievement_challenge_indicator_image = Vulkan::ImageHandle();
achievement_progress_indicator_image = Vulkan::ImageHandle();
fps_image = Vulkan::ImageHandle();
display_fps = false;
}
void rdp_close() {
display_fps = false;
messages = std::queue<Message>();
achievement_challenge_indicator_image = Vulkan::ImageHandle();
achievement_progress_indicator_image = Vulkan::ImageHandle();
fps_image = Vulkan::ImageHandle();
if (wsi)
wsi->end_frame();
if (message_font) {
TTF_CloseFont(message_font);
message_font = nullptr;
}
if (achievement_challenge_indicator_font) {
TTF_CloseFont(achievement_challenge_indicator_font);
achievement_challenge_indicator_font = nullptr;
}
if (processor) {
delete processor;
processor = nullptr;
}
if (wsi) {
delete wsi;
wsi = nullptr;
}
if (wsi_platform) {
delete wsi_platform;
wsi_platform = nullptr;
}
}
static void calculate_viewport(float *x, float *y, float *width, float *height,
uint32_t display_height) {
uint32_t display_width =
gfx_info.widescreen ? display_height * 16 / 9 : display_height * 4 / 3;
int w, h;
SDL_GetWindowSize(window, &w, &h);
if (gfx_info.integer_scaling) {
// Integer scaling path
int scale_x = w / display_width;
int scale_y = h / display_height;
int scale = (scale_x < scale_y) ? scale_x : scale_y;
if (scale < 1)
scale = 1;
// Calculate scaled dimensions
int scaled_width = display_width * scale;
int scaled_height = display_height * scale;
*width = scaled_width;
*height = scaled_height;
// Center the viewport
int integer_x = (w - *width) / 2.0f;
int integer_y = (h - *height) / 2.0f;
*x = integer_x;
*y = integer_y;
} else {
// Regular scaling path - maintain aspect ratio
float scale_x = w / (float)display_width;
float scale_y = h / (float)display_height;
float scale = (scale_x < scale_y) ? scale_x : scale_y;
*width = display_width * scale;
*height = display_height * scale;
// Center the viewport
*x = (w - *width) / 2.0f;
*y = (h - *height) / 2.0f;
}
}
static void draw_indicator(CommandBufferHandle cmd,
Vulkan::ImageHandle indicator_image, VkViewport vp) {
cmd->set_texture(0, 0, indicator_image->get_view(),
Vulkan::StockSampler::NearestClamp);
vp.x = vp.x + vp.width - indicator_image->get_width();
vp.y = vp.y + vp.height - indicator_image->get_height();
vp.height = indicator_image->get_height();
vp.width = indicator_image->get_width();
cmd->set_viewport(vp);
cmd->draw(3);
}
static void draw_fps(CommandBufferHandle cmd, VkViewport vp) {
cmd->set_texture(0, 0, fps_image->get_view(),
Vulkan::StockSampler::NearestClamp);
vp.y = vp.y + vp.height - fps_image->get_height();
vp.height = fps_image->get_height();
vp.width = fps_image->get_width();
cmd->set_viewport(vp);
cmd->draw(3);
}
static void pop_message(void *userdata) { messages.pop(); }
static uint32_t pop_message_callback(void *userdata, SDL_TimerID timerID,
uint32_t interval) {
SDL_RunOnMainThread(pop_message, NULL, false);
return 0;
}
static void render_frame(Vulkan::Device &device) {
RDP::ScanoutOptions options = {};
options.persist_frame_on_invalid_input = true;
options.blend_previous_frame = !gfx_info.ssaa;
options.upscale_deinterlacing = gfx_info.ssaa;
if (gfx_info.ssaa) {
switch (gfx_info.upscale) {
case 2:
options.downscale_steps = 1;
break;
case 4:
options.downscale_steps = 2;
break;
case 8:
options.downscale_steps = 3;
break;
default:
options.downscale_steps = 0;
break;
}
}
if (crop_letterbox && gfx_info.widescreen) {
options.crop_rect.enable = true;
if (gfx_info.PAL) {
options.crop_rect.top = 36;
options.crop_rect.bottom = 36;
} else {
options.crop_rect.top = 30;
options.crop_rect.bottom = 30;
}
}
Vulkan::ImageHandle image = processor->scanout(options);
Vulkan::ResourceLayout vertex_layout = {};
Vulkan::ResourceLayout fragment_layout = {};
fragment_layout.output_mask = 1 << 0;
fragment_layout.sets[0].sampled_image_mask = 1 << 0;
if (gfx_info.crt)
fragment_layout.push_constant_size = sizeof(Push);
// This request is cached.
auto *program =
device.request_program(vertex_spirv, sizeof(vertex_spirv), fragment_spirv,
fragment_size, &vertex_layout, &fragment_layout);
// Blit image on screen.
auto cmd = device.request_command_buffer();
{
auto rp = device.get_swapchain_render_pass(
Vulkan::SwapchainRenderPass::ColorOnly);
cmd->begin_render_pass(rp);
cmd->set_program(program);
// Basic default render state.
cmd->set_opaque_state();
cmd->set_depth_test(false, false);
cmd->set_cull_mode(VK_CULL_MODE_NONE);
// If we don't have an image, we just get a cleared screen in the render
// pass.
if (image) {
VkViewport vp = cmd->get_viewport();
calculate_viewport(&vp.x, &vp.y, &vp.width, &vp.height,
image->get_height() / gfx_info.upscale);
if (gfx_info.crt) {
// Set shader parameters
Push push = {
{float(image->get_width()), float(image->get_height()),
1.0f / float(image->get_width()),
1.0f / float(image->get_height())},
{vp.width, vp.height, 1.0f / vp.width, 1.0f / vp.height},
};
cmd->push_constants(&push, 0, sizeof(push));
}
cmd->set_texture(0, 0, image->get_view(),
Vulkan::StockSampler::NearestClamp);
cmd->set_viewport(vp);
// The vertices are constants in the shader.
// Draws fullscreen quad using oversized triangle.
cmd->draw(3);
if (!messages.empty()) {
Message *message = &messages.front();
if (!message->image) {
message->image = create_message_image(device, vp.width, message_font,
message->message.c_str());
SDL_AddTimer(message->milliseconds, pop_message_callback, NULL);
}
cmd->set_texture(0, 0, message->image->get_view(),
Vulkan::StockSampler::NearestClamp);
vp.x = floor(vp.x + (vp.width - message->image->get_width()) / 2);
vp.y = vp.y + vp.height - message->image->get_height();
vp.height = message->image->get_height();
vp.width = message->image->get_width();
cmd->set_viewport(vp);
cmd->draw(3);
} else if (achievement_progress_indicator_image) {
draw_indicator(cmd, achievement_progress_indicator_image, vp);
} else if (achievement_challenge_indicator_image &&
display_challenge_indicator) {
draw_indicator(cmd, achievement_challenge_indicator_image, vp);
}
if (messages.empty() && display_fps && fps_image) {
draw_fps(cmd, vp);
}
}
cmd->end_render_pass();
}
device.submit(cmd);
}
void rdp_set_vi_register(uint32_t reg, uint32_t value) {
processor->set_vi_register(RDP::VIRegister(reg), value);
}
void rdp_render_frame() {
auto &device = wsi->get_device();
render_frame(device);
}
void rdp_update_screen() {
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED) {
return;
}
wsi->end_frame();
wsi->begin_frame();
}
CALL_BACK rdp_check_callback() {
CALL_BACK return_value = callback;
callback.save_state = false;
callback.load_state = false;
callback.reset_game = false;
callback.lower_volume = false;
callback.raise_volume = false;
callback.frame_advance = false;
return return_value;
}
void rdp_check_framebuffers(uint32_t address, uint32_t length) {
if (sync_signal) {
address >>= 3;
length = (length + 7) >> 3;
if (address >= rdram_dirty.size())
return;
uint32_t end_addr =
std::min(address + length, static_cast<uint32_t>(rdram_dirty.size()));
auto it = std::find(rdram_dirty.begin() + address,
rdram_dirty.begin() + end_addr, true);
if (it != rdram_dirty.begin() + end_addr) {
processor->wait_for_timeline(sync_signal);
rdram_dirty.assign(gfx_info.RDRAM_SIZE >> 3, false);
sync_signal = 0;
}
}
}
size_t rdp_state_size() { return sizeof(RDP_DEVICE); }
void rdp_save_state(uint8_t *state) {
processor->wait_for_timeline(processor->signal_timeline());
memcpy(state, &rdp_device, sizeof(RDP_DEVICE));
}
void rdp_load_state(const uint8_t *state) {
memcpy(&rdp_device, state, sizeof(RDP_DEVICE));
}
static void push_onscreen_message(void *data) {
Message *message = (Message *)data;
messages.push(*message);
delete message;
}
void rdp_onscreen_message(const char *message, MESSAGE_LENGTH milliseconds) {
Message *data = new Message;
data->message = message;
data->milliseconds = static_cast<uint64_t>(milliseconds);
data->image = Vulkan::ImageHandle();
SDL_RunOnMainThread(push_onscreen_message, data, false);
}
uint32_t pixel_size(uint32_t pixel_type, uint32_t area) {
switch (pixel_type) {
case 0:
return area / 2;
case 1:
return area;
case 2:
return area * 2;
case 3:
return area * 4;
default:
printf("Invalid pixel size: %u\n", pixel_type);
return 0;
}
}
uint64_t rdp_process_commands() {
uint64_t interrupt_timer = 0;
const uint32_t DP_CURRENT = *gfx_info.DPC_CURRENT_REG & 0x00FFFFF8;
const uint32_t DP_END = *gfx_info.DPC_END_REG & 0x00FFFFF8;
int length = DP_END - DP_CURRENT;
if (length <= 0)
return interrupt_timer;
length = unsigned(length) >> 3;
if ((rdp_device.cmd_ptr + length) & ~(0x0003FFFF >> 3))
return interrupt_timer;
uint32_t offset = DP_CURRENT;
if (*gfx_info.DPC_STATUS_REG & DP_STATUS_XBUS_DMA) {
do {
offset &= 0xFF8;
rdp_device.cmd_data[2 * rdp_device.cmd_ptr + 0] = SDL_Swap32BE(
*reinterpret_cast<const uint32_t *>(gfx_info.DMEM + offset));
rdp_device.cmd_data[2 * rdp_device.cmd_ptr + 1] = SDL_Swap32BE(
*reinterpret_cast<const uint32_t *>(gfx_info.DMEM + offset + 4));
offset += sizeof(uint64_t);
rdp_device.cmd_ptr++;
} while (--length > 0);
} else {
if (DP_END > 0x7ffffff || DP_CURRENT > 0x7ffffff) {
return interrupt_timer;
} else {
do {
offset &= 0xFFFFF8;
rdp_device.cmd_data[2 * rdp_device.cmd_ptr + 0] =
*reinterpret_cast<const uint32_t *>(gfx_info.RDRAM + offset);
rdp_device.cmd_data[2 * rdp_device.cmd_ptr + 1] =
*reinterpret_cast<const uint32_t *>(gfx_info.RDRAM + offset + 4);
offset += sizeof(uint64_t);
rdp_device.cmd_ptr++;
} while (--length > 0);
}
}
while (rdp_device.cmd_cur - rdp_device.cmd_ptr < 0) {
uint32_t w1 = rdp_device.cmd_data[2 * rdp_device.cmd_cur];
uint32_t w2 = rdp_device.cmd_data[2 * rdp_device.cmd_cur + 1];
uint32_t command = (w1 >> 24) & 63;
int cmd_length = cmd_len_lut[command];
if (rdp_device.cmd_ptr - rdp_device.cmd_cur - cmd_length < 0) {
*gfx_info.DPC_START_REG = *gfx_info.DPC_CURRENT_REG =
*gfx_info.DPC_END_REG;
return interrupt_timer;
}
if (command >= 8)
processor->enqueue_command(cmd_length * 2,
&rdp_device.cmd_data[2 * rdp_device.cmd_cur]);
switch (RDP::Op(command)) {
case RDP::Op::FillTriangle:
case RDP::Op::FillZBufferTriangle:
case RDP::Op::TextureTriangle:
case RDP::Op::TextureZBufferTriangle:
case RDP::Op::ShadeTriangle:
case RDP::Op::ShadeZBufferTriangle:
case RDP::Op::ShadeTextureTriangle:
case RDP::Op::ShadeTextureZBufferTriangle:
case RDP::Op::TextureRectangle:
case RDP::Op::TextureRectangleFlip:
case RDP::Op::FillRectangle: {
uint32_t offset_address =
(rdp_device.frame_buffer_info.framebuffer_address +
pixel_size(rdp_device.frame_buffer_info.framebuffer_pixel_size,
rdp_device.frame_buffer_info.framebuffer_y_offset *
rdp_device.frame_buffer_info.framebuffer_width)) >>
3;
if (offset_address < rdram_dirty.size() && !rdram_dirty[offset_address]) {
uint32_t end_addr = std::min(
offset_address +
((pixel_size(
rdp_device.frame_buffer_info.framebuffer_pixel_size,
rdp_device.frame_buffer_info.framebuffer_width *
rdp_device.frame_buffer_info.framebuffer_height) +
7) >>
3),
static_cast<uint32_t>(rdram_dirty.size()));
std::fill(rdram_dirty.begin() + offset_address,
rdram_dirty.begin() + end_addr, true);
}
if (rdp_device.frame_buffer_info.depth_buffer_enabled) {
offset_address =
(rdp_device.frame_buffer_info.depthbuffer_address +
pixel_size(2,
rdp_device.frame_buffer_info.framebuffer_y_offset *
rdp_device.frame_buffer_info.framebuffer_width)) >>
3;
if (offset_address < rdram_dirty.size() &&
!rdram_dirty[offset_address]) {
uint32_t end_addr = std::min(
offset_address +
((pixel_size(
2,
rdp_device.frame_buffer_info.framebuffer_width *
rdp_device.frame_buffer_info.framebuffer_height) +
7) >>
3),
static_cast<uint32_t>(rdram_dirty.size()));
std::fill(rdram_dirty.begin() + offset_address,
rdram_dirty.begin() + end_addr, true);
}
}
} break;
case RDP::Op::LoadTLut:
case RDP::Op::LoadTile: {
uint32_t upper_left_t = (w1 & 0xFFF) >> 2;
uint32_t offset_address =
(rdp_device.frame_buffer_info.texture_address +
pixel_size(rdp_device.frame_buffer_info.texture_pixel_size,
upper_left_t *
rdp_device.frame_buffer_info.texture_width)) >>
3;
if (offset_address < rdram_dirty.size() && !rdram_dirty[offset_address]) {
uint32_t lower_right_t = (w2 & 0xFFF) >> 2;
uint32_t end_addr = std::min(
offset_address +
((pixel_size(rdp_device.frame_buffer_info.texture_pixel_size,
(lower_right_t - upper_left_t) *
rdp_device.frame_buffer_info.texture_width) +
7) >>
3),
static_cast<uint32_t>(rdram_dirty.size()));
std::fill(rdram_dirty.begin() + offset_address,
rdram_dirty.begin() + end_addr, true);
}
} break;
case RDP::Op::LoadBlock: {
uint32_t upper_left_s = ((w1 >> 12) & 0xFFF);
uint32_t upper_left_t = (w1 & 0xFFF);
uint32_t offset_address =
(rdp_device.frame_buffer_info.texture_address +
pixel_size(rdp_device.frame_buffer_info.texture_pixel_size,
upper_left_s +
upper_left_t *
rdp_device.frame_buffer_info.texture_width)) >>
3;
if (offset_address < rdram_dirty.size() && !rdram_dirty[offset_address]) {
uint32_t lower_right_s = ((w2 >> 12) & 0xFFF);
uint32_t end_addr = std::min(
offset_address +
((pixel_size(rdp_device.frame_buffer_info.texture_pixel_size,
lower_right_s - upper_left_s) +
7) >>
3),
static_cast<uint32_t>(rdram_dirty.size()));
std::fill(rdram_dirty.begin() + offset_address,
rdram_dirty.begin() + end_addr, true);
}
} break;
case RDP::Op::SetColorImage:
rdp_device.frame_buffer_info.framebuffer_address = (w2 & 0x00FFFFFF);
rdp_device.frame_buffer_info.framebuffer_pixel_size = (w1 >> 19) & 0x3;
rdp_device.frame_buffer_info.framebuffer_width = (w1 & 0x3FF) + 1;
break;
case RDP::Op::SetMaskImage:
rdp_device.frame_buffer_info.depthbuffer_address = (w2 & 0x00FFFFFF);
break;
case RDP::Op::SetTextureImage:
rdp_device.frame_buffer_info.texture_address = (w2 & 0x00FFFFFF);
rdp_device.frame_buffer_info.texture_pixel_size = (w1 >> 19) & 0x3;
rdp_device.frame_buffer_info.texture_width = (w1 & 0x3FF) + 1;
break;
case RDP::Op::SetScissor: {
uint32_t upper_left_x = ((w1 >> 12) & 0xFFF) >> 2;
uint32_t upper_left_y = (w1 & 0xFFF) >> 2;
uint32_t lower_right_x = ((w2 >> 12) & 0xFFF) >> 2;
uint32_t lower_right_y = (w2 & 0xFFF) >> 2;
if (lower_right_x > upper_left_x && lower_right_y > upper_left_y) {
rdp_device.region =
(lower_right_x - upper_left_x) * (lower_right_y - upper_left_y);
} else {
rdp_device.region = 0;
}
rdp_device.frame_buffer_info.framebuffer_y_offset = upper_left_y;
rdp_device.frame_buffer_info.framebuffer_height =
lower_right_y - upper_left_y;
} break;
case RDP::Op::SetOtherModes: {
uint8_t cycle_type = (w1 >> 20) & 3;
uint8_t depth_read_write = (w2 >> 4) & 3;
rdp_device.frame_buffer_info.depth_buffer_enabled =
((cycle_type & 2) == 0) && (depth_read_write != 0);
} break;
case RDP::Op::SyncFull:
sync_signal = processor->signal_timeline();
interrupt_timer = rdp_device.region;
if (interrupt_timer == 0)
interrupt_timer = 5000;
break;
default:
break;
}
rdp_device.cmd_cur += cmd_length;
}
rdp_device.cmd_ptr = 0;
rdp_device.cmd_cur = 0;
*gfx_info.DPC_CURRENT_REG = *gfx_info.DPC_END_REG;
return interrupt_timer;
}
static void rdp_set_fps_callback(void *userdata) {
FPS_DATA *data = (FPS_DATA *)userdata;
if (!wsi) {
delete data;
return;
}
fps_image = create_message_image(
wsi->get_device(), 0, achievement_challenge_indicator_font,
std::format("FPS: {} VI/S: {}", data->fps, data->vis).c_str());
delete data;
}
void rdp_set_fps(uint32_t fps, uint32_t vis) {
if (display_fps) {
FPS_DATA *data = new FPS_DATA;
data->fps = fps;
data->vis = vis;
SDL_RunOnMainThread(rdp_set_fps_callback, data, false);
}
}
static void update_challenge_indicator() {
std::string message;
for (const auto &leaderboard_tracker : leaderboard_trackers) {
message += leaderboard_tracker.second;
message += '\n';
}
if (!leaderboard_trackers.empty() &&
!achievement_challenge_indicators.empty()) {
message += "---\n";
}
const auto &v = achievement_challenge_indicators;
for (size_t i = 0; i < std::min<size_t>(v.size(), 5); ++i) {
message += v[i];
message += '\n';
}
if (message.empty()) {
achievement_challenge_indicator_image = Vulkan::ImageHandle();
} else {
achievement_challenge_indicator_image = create_message_image(
wsi->get_device(), 0, achievement_challenge_indicator_font,
message.c_str());
}
}
void achievement_challenge_indicator_add(const char *achievement_title) {
achievement_challenge_indicators.push_back(achievement_title);
update_challenge_indicator();
}
void achievement_challenge_indicator_remove(const char *achievement_title) {
std::erase(achievement_challenge_indicators, achievement_title);
update_challenge_indicator();
}
void achievement_progress_add(const char *achievement_title,
const char *progress) {
std::string message = std::format("{}: {}", achievement_title, progress);
achievement_progress_indicator_image =
create_message_image(wsi->get_device(), 0, message_font, message.c_str());
}
void achievement_progress_remove() {
achievement_progress_indicator_image = Vulkan::ImageHandle();
}
void leaderboard_tracker_add(uint32_t id, const char *title,
const char *display) {
if (title) {
leaderboard_trackers[id] = std::format("{}: {}", title, display);
update_challenge_indicator();
}
}
void leaderboard_tracker_remove(uint32_t id) {
leaderboard_trackers.erase(id);
update_challenge_indicator();
}
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