320 lines
12 KiB
C++
320 lines
12 KiB
C++
#include <memory>
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#include <cstring>
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// #include <Windows.h>
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#define HLSL_CPU
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#include "hle/rt64_application.h"
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#include "rt64_layer.h"
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#include "rt64_render_hooks.h"
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ultramodern::RT64Context::~RT64Context() = default;
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static RT64::UserConfiguration::Antialiasing device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
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static bool sample_positions_supported = false;
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static bool high_precision_fb_enabled = false;
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static uint8_t DMEM[0x1000];
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static uint8_t IMEM[0x1000];
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unsigned int MI_INTR_REG = 0;
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unsigned int DPC_START_REG = 0;
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unsigned int DPC_END_REG = 0;
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unsigned int DPC_CURRENT_REG = 0;
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unsigned int DPC_STATUS_REG = 0;
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unsigned int DPC_CLOCK_REG = 0;
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unsigned int DPC_BUFBUSY_REG = 0;
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unsigned int DPC_PIPEBUSY_REG = 0;
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unsigned int DPC_TMEM_REG = 0;
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unsigned int VI_STATUS_REG = 0;
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unsigned int VI_ORIGIN_REG = 0;
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unsigned int VI_WIDTH_REG = 0;
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unsigned int VI_INTR_REG = 0;
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unsigned int VI_V_CURRENT_LINE_REG = 0;
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unsigned int VI_TIMING_REG = 0;
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unsigned int VI_V_SYNC_REG = 0;
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unsigned int VI_H_SYNC_REG = 0;
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unsigned int VI_LEAP_REG = 0;
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unsigned int VI_H_START_REG = 0;
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unsigned int VI_V_START_REG = 0;
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unsigned int VI_V_BURST_REG = 0;
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unsigned int VI_X_SCALE_REG = 0;
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unsigned int VI_Y_SCALE_REG = 0;
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void dummy_check_interrupts() {
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}
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RT64::UserConfiguration::Antialiasing compute_max_supported_aa(RT64::RenderSampleCounts bits) {
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if (bits & RT64::RenderSampleCount::Bits::COUNT_2) {
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if (bits & RT64::RenderSampleCount::Bits::COUNT_4) {
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if (bits & RT64::RenderSampleCount::Bits::COUNT_8) {
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return RT64::UserConfiguration::Antialiasing::MSAA8X;
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}
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return RT64::UserConfiguration::Antialiasing::MSAA4X;
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}
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return RT64::UserConfiguration::Antialiasing::MSAA2X;
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};
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return RT64::UserConfiguration::Antialiasing::None;
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}
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RT64::UserConfiguration::InternalColorFormat to_rt64(ultramodern::HighPrecisionFramebuffer option) {
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switch (option) {
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case ultramodern::HighPrecisionFramebuffer::Off:
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return RT64::UserConfiguration::InternalColorFormat::Standard;
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case ultramodern::HighPrecisionFramebuffer::On:
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return RT64::UserConfiguration::InternalColorFormat::High;
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case ultramodern::HighPrecisionFramebuffer::Auto:
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return RT64::UserConfiguration::InternalColorFormat::Automatic;
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default:
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return RT64::UserConfiguration::InternalColorFormat::OptionCount;
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}
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}
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void set_application_user_config(RT64::Application* application, const ultramodern::GraphicsConfig& config) {
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switch (config.res_option) {
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default:
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case ultramodern::Resolution::Auto:
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application->userConfig.resolution = RT64::UserConfiguration::Resolution::WindowIntegerScale;
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application->userConfig.downsampleMultiplier = 1;
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break;
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case ultramodern::Resolution::Original:
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application->userConfig.resolution = RT64::UserConfiguration::Resolution::Manual;
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application->userConfig.resolutionMultiplier = config.ds_option;
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application->userConfig.downsampleMultiplier = config.ds_option;
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break;
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case ultramodern::Resolution::Original2x:
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application->userConfig.resolution = RT64::UserConfiguration::Resolution::Manual;
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application->userConfig.resolutionMultiplier = 2.0 * config.ds_option;
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application->userConfig.downsampleMultiplier = config.ds_option;
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break;
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}
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switch (config.hr_option) {
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default:
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case ultramodern::HUDRatioMode::Original:
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application->userConfig.extAspectRatio = RT64::UserConfiguration::AspectRatio::Original;
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break;
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case ultramodern::HUDRatioMode::Clamp16x9:
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application->userConfig.extAspectRatio = RT64::UserConfiguration::AspectRatio::Manual;
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application->userConfig.extAspectTarget = 16.0/9.0;
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break;
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case ultramodern::HUDRatioMode::Full:
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application->userConfig.extAspectRatio = RT64::UserConfiguration::AspectRatio::Expand;
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break;
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}
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application->userConfig.aspectRatio = config.ar_option;
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application->userConfig.antialiasing = config.msaa_option;
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application->userConfig.refreshRate = config.rr_option;
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application->userConfig.refreshRateTarget = config.rr_manual_value;
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application->userConfig.internalColorFormat = to_rt64(config.hpfb_option);
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}
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ultramodern::RT64SetupResult map_setup_result(RT64::Application::SetupResult rt64_result) {
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switch (rt64_result) {
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case RT64::Application::SetupResult::Success:
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return ultramodern::RT64SetupResult::Success;
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case RT64::Application::SetupResult::DynamicLibrariesNotFound:
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return ultramodern::RT64SetupResult::DynamicLibrariesNotFound;
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case RT64::Application::SetupResult::InvalidGraphicsAPI:
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return ultramodern::RT64SetupResult::InvalidGraphicsAPI;
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case RT64::Application::SetupResult::GraphicsAPINotFound:
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return ultramodern::RT64SetupResult::GraphicsAPINotFound;
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case RT64::Application::SetupResult::GraphicsDeviceNotFound:
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return ultramodern::RT64SetupResult::GraphicsDeviceNotFound;
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}
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}
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ultramodern::RT64Context::RT64Context(uint8_t* rdram, ultramodern::WindowHandle window_handle, bool debug) {
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static unsigned char dummy_rom_header[0x40];
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set_rt64_hooks();
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// Set up the RT64 application core fields.
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RT64::Application::Core appCore{};
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#if defined(_WIN32)
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appCore.window = window_handle.window;
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#elif defined(__ANDROID__)
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assert(false && "Unimplemented");
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#elif defined(__linux__)
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appCore.window.display = window_handle.display;
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appCore.window.window = window_handle.window;
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#endif
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appCore.checkInterrupts = dummy_check_interrupts;
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appCore.HEADER = dummy_rom_header;
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appCore.RDRAM = rdram;
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appCore.DMEM = DMEM;
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appCore.IMEM = IMEM;
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appCore.MI_INTR_REG = &MI_INTR_REG;
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appCore.DPC_START_REG = &DPC_START_REG;
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appCore.DPC_END_REG = &DPC_END_REG;
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appCore.DPC_CURRENT_REG = &DPC_CURRENT_REG;
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appCore.DPC_STATUS_REG = &DPC_STATUS_REG;
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appCore.DPC_CLOCK_REG = &DPC_CLOCK_REG;
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appCore.DPC_BUFBUSY_REG = &DPC_BUFBUSY_REG;
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appCore.DPC_PIPEBUSY_REG = &DPC_PIPEBUSY_REG;
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appCore.DPC_TMEM_REG = &DPC_TMEM_REG;
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appCore.VI_STATUS_REG = &VI_STATUS_REG;
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appCore.VI_ORIGIN_REG = &VI_ORIGIN_REG;
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appCore.VI_WIDTH_REG = &VI_WIDTH_REG;
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appCore.VI_INTR_REG = &VI_INTR_REG;
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appCore.VI_V_CURRENT_LINE_REG = &VI_V_CURRENT_LINE_REG;
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appCore.VI_TIMING_REG = &VI_TIMING_REG;
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appCore.VI_V_SYNC_REG = &VI_V_SYNC_REG;
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appCore.VI_H_SYNC_REG = &VI_H_SYNC_REG;
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appCore.VI_LEAP_REG = &VI_LEAP_REG;
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appCore.VI_H_START_REG = &VI_H_START_REG;
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appCore.VI_V_START_REG = &VI_V_START_REG;
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appCore.VI_V_BURST_REG = &VI_V_BURST_REG;
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appCore.VI_X_SCALE_REG = &VI_X_SCALE_REG;
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appCore.VI_Y_SCALE_REG = &VI_Y_SCALE_REG;
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// Set up the RT64 application configuration fields.
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RT64::ApplicationConfiguration appConfig;
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appConfig.useConfigurationFile = false;
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// Create the RT64 application.
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app = std::make_unique<RT64::Application>(appCore, appConfig);
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// Set initial user config settings based on the current settings.
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ultramodern::GraphicsConfig cur_config = ultramodern::get_graphics_config();
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set_application_user_config(app.get(), cur_config);
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app->userConfig.developerMode = debug;
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// Force gbi depth branches to prevent LODs from kicking in.
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app->enhancementConfig.f3dex.forceBranch = true;
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// Scale LODs based on the output resolution.
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app->enhancementConfig.textureLOD.scale = true;
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// Pick an API if the user has set an override.
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switch (cur_config.api_option) {
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case ultramodern::GraphicsApi::D3D12:
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app->userConfig.graphicsAPI = RT64::UserConfiguration::GraphicsAPI::D3D12;
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break;
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case ultramodern::GraphicsApi::Vulkan:
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app->userConfig.graphicsAPI = RT64::UserConfiguration::GraphicsAPI::Vulkan;
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break;
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default:
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case ultramodern::GraphicsApi::Auto:
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// Don't override if auto is selected.
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break;
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}
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// Set up the RT64 application.
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uint32_t thread_id = 0;
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#ifdef _WIN32
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thread_id = window_handle.thread_id;
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#endif
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setup_result = map_setup_result(app->setup(thread_id));
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if (setup_result != ultramodern::RT64SetupResult::Success) {
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app = nullptr;
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return;
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}
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// Set the application's fullscreen state.
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app->setFullScreen(cur_config.wm_option == ultramodern::WindowMode::Fullscreen);
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// Check if the selected device actually supports MSAA sample positions and MSAA for for the formats that will be used
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// and downgrade the configuration accordingly.
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if (app->device->getCapabilities().sampleLocations) {
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RT64::RenderSampleCounts color_sample_counts = app->device->getSampleCountsSupported(RT64::RenderFormat::R8G8B8A8_UNORM);
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RT64::RenderSampleCounts depth_sample_counts = app->device->getSampleCountsSupported(RT64::RenderFormat::D32_FLOAT);
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RT64::RenderSampleCounts common_sample_counts = color_sample_counts & depth_sample_counts;
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device_max_msaa = compute_max_supported_aa(common_sample_counts);
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sample_positions_supported = true;
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}
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else {
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device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
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sample_positions_supported = false;
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}
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high_precision_fb_enabled = app->shaderLibrary->usesHDR;
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}
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void ultramodern::RT64Context::send_dl(const OSTask* task) {
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app->state->rsp->reset();
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app->interpreter->loadUCodeGBI(task->t.ucode & 0x3FFFFFF, task->t.ucode_data & 0x3FFFFFF, true);
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app->processDisplayLists(app->core.RDRAM, task->t.data_ptr & 0x3FFFFFF, 0, true);
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}
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void ultramodern::RT64Context::update_screen(uint32_t vi_origin) {
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VI_ORIGIN_REG = vi_origin;
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app->updateScreen();
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}
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void ultramodern::RT64Context::shutdown() {
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if (app != nullptr) {
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app->end();
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}
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}
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void ultramodern::RT64Context::update_config(const ultramodern::GraphicsConfig& old_config, const ultramodern::GraphicsConfig& new_config) {
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if (new_config.wm_option != old_config.wm_option) {
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app->setFullScreen(new_config.wm_option == ultramodern::WindowMode::Fullscreen);
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}
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set_application_user_config(app.get(), new_config);
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app->updateUserConfig(true);
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if (new_config.msaa_option != old_config.msaa_option) {
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app->updateMultisampling();
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}
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}
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void ultramodern::RT64Context::enable_instant_present() {
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// Enable the present early presentation mode for minimal latency.
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app->enhancementConfig.presentation.mode = RT64::EnhancementConfiguration::Presentation::Mode::PresentEarly;
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app->updateEnhancementConfig();
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}
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uint32_t ultramodern::RT64Context::get_display_framerate() {
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return app->presentQueue->ext.sharedResources->swapChainRate;
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}
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float ultramodern::RT64Context::get_resolution_scale() {
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constexpr int ReferenceHeight = 240;
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switch (app->userConfig.resolution) {
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case RT64::UserConfiguration::Resolution::WindowIntegerScale:
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if (app->sharedQueueResources->swapChainHeight > 0) {
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return std::max(float((app->sharedQueueResources->swapChainHeight + ReferenceHeight - 1) / ReferenceHeight), 1.0f);
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}
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else {
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return 1.0f;
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}
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case RT64::UserConfiguration::Resolution::Manual:
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return float(app->userConfig.resolutionMultiplier);
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case RT64::UserConfiguration::Resolution::Original:
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default:
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return 1.0f;
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}
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}
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void ultramodern::RT64Context::load_shader_cache(std::span<const char> cache_binary) {
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// TODO figure out how to avoid a copy here.
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std::istringstream cache_stream{std::string{cache_binary.data(), cache_binary.size()}};
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if (!app->rasterShaderCache->loadOfflineList(cache_stream)) {
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printf("Failed to preload shader cache!\n");
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assert(false);
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}
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}
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RT64::UserConfiguration::Antialiasing ultramodern::RT64MaxMSAA() {
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return device_max_msaa;
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}
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bool ultramodern::RT64SamplePositionsSupported() {
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return sample_positions_supported;
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}
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bool ultramodern::RT64HighPrecisionFBEnabled() {
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return high_precision_fb_enabled;
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}
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