Zelda64Recomp/src/recomp/rt64_layer.cpp

271 lines
8.7 KiB
C++

#include <memory>
#include <cstring>
// #include <Windows.h>
#define HLSL_CPU
#include "hle/rt64_application.h"
#include "rt64_layer.h"
#include "rt64_render_hooks.h"
typedef struct {
// void* hWnd;
// void* hStatusBar;
// int Reserved;
unsigned char* HEADER; /* This is the rom header (first 40h bytes of the rom) */
unsigned char* RDRAM;
unsigned char* DMEM;
unsigned char* IMEM;
unsigned int* MI_INTR_REG;
unsigned int* DPC_START_REG;
unsigned int* DPC_END_REG;
unsigned int* DPC_CURRENT_REG;
unsigned int* DPC_STATUS_REG;
unsigned int* DPC_CLOCK_REG;
unsigned int* DPC_BUFBUSY_REG;
unsigned int* DPC_PIPEBUSY_REG;
unsigned int* DPC_TMEM_REG;
unsigned int* VI_STATUS_REG;
unsigned int* VI_ORIGIN_REG;
unsigned int* VI_WIDTH_REG;
unsigned int* VI_INTR_REG;
unsigned int* VI_V_CURRENT_LINE_REG;
unsigned int* VI_TIMING_REG;
unsigned int* VI_V_SYNC_REG;
unsigned int* VI_H_SYNC_REG;
unsigned int* VI_LEAP_REG;
unsigned int* VI_H_START_REG;
unsigned int* VI_V_START_REG;
unsigned int* VI_V_BURST_REG;
unsigned int* VI_X_SCALE_REG;
unsigned int* VI_Y_SCALE_REG;
void (*CheckInterrupts)(void);
unsigned int version;
unsigned int* SP_STATUS_REG;
const unsigned int* RDRAM_SIZE;
} GFX_INFO;
#ifdef _WIN32
#define DLLEXPORT extern "C" __declspec(dllexport)
#define DLLIMPORT extern "C" __declspec(dllimport)
#define CALL __cdecl
#else
#define DLLEXPORT extern "C" __attribute__((visibility("default")))
#define DLLIMPORT extern "C"
#endif
#if defined(_WIN32)
extern "C" RT64::Application* InitiateGFXWindows(GFX_INFO Gfx_Info, HWND hwnd, DWORD threadId, uint8_t debug);
#elif defined(__ANDROID__)
static_assert(false && "Unimplemented");
#elif defined(__linux__)
extern "C" RT64::Application* InitiateGFXLinux(GFX_INFO Gfx_Info, Window window, Display *display, uint8_t debug);
#else
static_assert(false && "Unimplemented");
#endif
DLLIMPORT void ProcessRDPList(void);
DLLIMPORT void ProcessDList(void);
DLLIMPORT void UpdateScreen(void);
DLLIMPORT void ChangeWindow(void);
DLLIMPORT void PluginShutdown(void);
static uint8_t DMEM[0x1000];
static uint8_t IMEM[0x1000];
unsigned int MI_INTR_REG = 0;
unsigned int DPC_START_REG = 0;
unsigned int DPC_END_REG = 0;
unsigned int DPC_CURRENT_REG = 0;
unsigned int DPC_STATUS_REG = 0;
unsigned int DPC_CLOCK_REG = 0;
unsigned int DPC_BUFBUSY_REG = 0;
unsigned int DPC_PIPEBUSY_REG = 0;
unsigned int DPC_TMEM_REG = 0;
unsigned int VI_STATUS_REG = 0;
unsigned int VI_ORIGIN_REG = 0;
unsigned int VI_WIDTH_REG = 0;
unsigned int VI_INTR_REG = 0;
unsigned int VI_V_CURRENT_LINE_REG = 0;
unsigned int VI_TIMING_REG = 0;
unsigned int VI_V_SYNC_REG = 0;
unsigned int VI_H_SYNC_REG = 0;
unsigned int VI_LEAP_REG = 0;
unsigned int VI_H_START_REG = 0;
unsigned int VI_V_START_REG = 0;
unsigned int VI_V_BURST_REG = 0;
unsigned int VI_X_SCALE_REG = 0;
unsigned int VI_Y_SCALE_REG = 0;
unsigned int SP_STATUS_REG = 0;
unsigned int RDRAM_SIZE = 0x800000;
static RT64::UserConfiguration::Antialiasing device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
#define GET_FUNC(lib, name) \
name = (decltype(name))GetProcAddress(lib, #name)
void dummy_check_interrupts() {
}
RT64::UserConfiguration::Antialiasing compute_max_supported_aa(RT64::RenderSampleCounts bits) {
if (bits & RT64::RenderSampleCount::Bits::COUNT_2) {
if (bits & RT64::RenderSampleCount::Bits::COUNT_4) {
if (bits & RT64::RenderSampleCount::Bits::COUNT_8) {
return RT64::UserConfiguration::Antialiasing::MSAA8X;
}
return RT64::UserConfiguration::Antialiasing::MSAA4X;
}
return RT64::UserConfiguration::Antialiasing::MSAA2X;
};
return RT64::UserConfiguration::Antialiasing::None;
}
RT64::Application* RT64Init(uint8_t* rom, uint8_t* rdram, ultramodern::WindowHandle window_handle, bool debug) {
set_rt64_hooks();
GFX_INFO gfx_info{};
gfx_info.HEADER = rom;
gfx_info.RDRAM = rdram;
gfx_info.DMEM = DMEM;
gfx_info.IMEM = IMEM;
gfx_info.MI_INTR_REG = &MI_INTR_REG;
gfx_info.DPC_START_REG = &DPC_START_REG;
gfx_info.DPC_END_REG = &DPC_END_REG;
gfx_info.DPC_CURRENT_REG = &DPC_CURRENT_REG;
gfx_info.DPC_STATUS_REG = &DPC_STATUS_REG;
gfx_info.DPC_CLOCK_REG = &DPC_CLOCK_REG;
gfx_info.DPC_BUFBUSY_REG = &DPC_BUFBUSY_REG;
gfx_info.DPC_PIPEBUSY_REG = &DPC_PIPEBUSY_REG;
gfx_info.DPC_TMEM_REG = &DPC_TMEM_REG;
gfx_info.VI_STATUS_REG = &VI_STATUS_REG;
gfx_info.VI_ORIGIN_REG = &VI_ORIGIN_REG;
gfx_info.VI_WIDTH_REG = &VI_WIDTH_REG;
gfx_info.VI_INTR_REG = &VI_INTR_REG;
gfx_info.VI_V_CURRENT_LINE_REG = &VI_V_CURRENT_LINE_REG;
gfx_info.VI_TIMING_REG = &VI_TIMING_REG;
gfx_info.VI_V_SYNC_REG = &VI_V_SYNC_REG;
gfx_info.VI_H_SYNC_REG = &VI_H_SYNC_REG;
gfx_info.VI_LEAP_REG = &VI_LEAP_REG;
gfx_info.VI_H_START_REG = &VI_H_START_REG;
gfx_info.VI_V_START_REG = &VI_V_START_REG;
gfx_info.VI_V_BURST_REG = &VI_V_BURST_REG;
gfx_info.VI_X_SCALE_REG = &VI_X_SCALE_REG;
gfx_info.VI_Y_SCALE_REG = &VI_Y_SCALE_REG;
gfx_info.CheckInterrupts = dummy_check_interrupts;
gfx_info.version = 2;
gfx_info.SP_STATUS_REG = &SP_STATUS_REG;
gfx_info.RDRAM_SIZE = &RDRAM_SIZE;
#if defined(_WIN32)
RT64::Application* ret = InitiateGFXWindows(gfx_info, window_handle.window, window_handle.thread_id, debug);
#elif defined(__ANDROID__)
static_assert(false && "Unimplemented");
#elif defined(__linux__)
RT64::Application* ret = InitiateGFXLinux(gfx_info, window_handle.window, window_handle.display, debug);
#else
static_assert(false && "Unimplemented");
#endif
// Before configuring multisampling, make sure the device actually supports it for the formats we'll use. If it doesn't, turn off antialiasing in the configuration.
RT64::RenderSampleCounts color_sample_counts = ret->device->getSampleCountsSupported(RT64::RenderFormat::R8G8B8A8_UNORM);
RT64::RenderSampleCounts depth_sample_counts = ret->device->getSampleCountsSupported(RT64::RenderFormat::D32_FLOAT);
RT64::RenderSampleCounts common_sample_counts = color_sample_counts & depth_sample_counts;
device_max_msaa = compute_max_supported_aa(common_sample_counts);
// Force gbi depth branches to prevent LODs from kicking in.
ret->enhancementConfig.f3dex.forceBranch = true;
// Scale LODs based on the output resolution.
ret->enhancementConfig.textureLOD.scale = true;
ret->updateEnhancementConfig();
return ret;
}
void RT64SendDL(uint8_t* rdram, const OSTask* task) {
OSTask task_copy = *task;
task_copy.t.data_ptr &= 0x3FFFFFF;
task_copy.t.ucode &= 0x3FFFFFF;
task_copy.t.ucode_data &= 0x3FFFFFF;
memcpy(DMEM + 0xFC0, &task_copy, 0x40);
ProcessDList();
}
void RT64UpdateScreen(uint32_t vi_origin) {
VI_ORIGIN_REG = vi_origin;
UpdateScreen();
}
void RT64ChangeWindow() {
ChangeWindow();
}
void RT64Shutdown() {
PluginShutdown();
}
void RT64UpdateConfig(RT64::Application* application, const ultramodern::GraphicsConfig& old_config, const ultramodern::GraphicsConfig& new_config) {
if (new_config.wm_option != old_config.wm_option) {
application->setFullScreen(new_config.wm_option == ultramodern::WindowMode::Fullscreen);
}
switch (new_config.res_option) {
default:
case ultramodern::Resolution::Auto:
application->userConfig.resolution = RT64::UserConfiguration::Resolution::WindowIntegerScale;
break;
case ultramodern::Resolution::Original:
application->userConfig.resolution = RT64::UserConfiguration::Resolution::Original;
break;
case ultramodern::Resolution::Original2x:
application->userConfig.resolution = RT64::UserConfiguration::Resolution::Manual;
application->userConfig.resolutionMultiplier = 2.0;
break;
}
application->userConfig.aspectRatio = new_config.ar_option;
application->userConfig.antialiasing = new_config.msaa_option;
application->userConfig.refreshRate = new_config.rr_option;
application->userConfig.refreshRateTarget = new_config.rr_manual_value;
application->updateUserConfig(true);
if (new_config.msaa_option != old_config.msaa_option) {
application->updateMultisampling();
}
}
void RT64EnableInstantPresent(RT64::Application* application) {
// Enable the present early presentation mode for minimal latency.
application->enhancementConfig.presentation.mode = RT64::EnhancementConfiguration::Presentation::Mode::PresentEarly;
application->updateEnhancementConfig();
}
RT64::UserConfiguration::Antialiasing RT64MaxMSAA() {
return device_max_msaa;
}
uint32_t RT64GetDisplayFramerate(RT64::Application* application) {
return application->presentQueue->ext.sharedResources->swapChainRate;
}