Function main

samples/render_graph/rg-deferred/deferred.cpp:249–656

#include "SkrRT/runtime_module.h"

int main(int argc, char* argv[])
{
    DPIAware = skr_runtime_is_dpi_aware();

    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0) return -1;
    SWindowDescroptor window_desc = {};
    window_desc.flags = SKR_WINDOW_CENTERED | SKR_WINDOW_RESIZABLE;
    window_desc.height = BACK_BUFFER_HEIGHT;
    window_desc.width = BACK_BUFFER_WIDTH;
    window = skr_create_window(gCGPUBackendNames[backend], &window_desc);
    create_api_objects();
    create_resources();
    create_render_pipeline();
    // initialize
    namespace render_graph = skr::render_graph;
    auto graph = render_graph::RenderGraph::create(
    [=](skr::render_graph::RenderGraphBuilder& builder) {
        builder.with_device(device)
        .with_gfx_queue(gfx_queue)
        .enable_memory_aliasing();
    });
    PassProfiler profilers[RG_MAX_FRAME_IN_FLIGHT];
    for (uint32_t i = 0; i < RG_MAX_FRAME_IN_FLIGHT; i++)
    {
        profilers[i].initialize(device);
    }
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO(); 
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;       // Enable Keyboard Controls
    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;           // Enable Docking
    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;         // Enable Multi-Viewport / Platform Windows
    ImGui::StyleColorsDark();
    {
        auto& style = ImGui::GetStyle();
        if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
        {
            style.WindowRounding = 0.0f;
            style.Colors[ImGuiCol_WindowBg].w = 1.0f;
        }
        const char8_t* font_path = u8"./../resources/font/SourceSansPro-Regular.ttf";
        uint32_t *font_bytes, font_length;
        read_bytes(font_path, &font_bytes, &font_length);
        float dpi_scaling = 1.f;
        if (!DPIAware)
        {
            float ddpi;
            SDL_GetDisplayDPI(0, &ddpi, NULL, NULL);
            dpi_scaling = ddpi / OS_DPI;
            // scale back
            style.ScaleAllSizes(1.f / dpi_scaling);
            ImGui::GetIO().FontGlobalScale = 1.f / dpi_scaling;
        }
        else
        {
            float ddpi;
            SDL_GetDisplayDPI(0, &ddpi, NULL, NULL);
            dpi_scaling = ddpi / OS_DPI;
            // scale back