Method execute

samples/application/game/src/render/forward_pass.cpp:143–323

}

void RenderPassForward::execute(const skr_primitive_pass_context_t* context, skr::span<const skr_primitive_draw_packet_t> drawcalls)
{
    auto renderGraph = context->render_graph;
    // TODO: multi-viewport
    auto viewport_manager = context->renderer->get_viewport_manager();
    auto viewport         = viewport_manager->find_viewport(0u); // the main viewport

    auto depth = renderGraph->create_texture(
    [=](skr::render_graph::RenderGraph& g, skr::render_graph::TextureBuilder& builder) {
        builder.set_name(SKR_UTF8("depth"))
        .extent(viewport->viewport_width, viewport->viewport_height)
        .format(depth_format)
        .allow_depth_stencil();
        if (viewport->viewport_width > 2048) builder.allocate_dedicated();
    });
    (void)depth;
    if (!drawcalls.size()) return;

    // 1.IMGUI control shading rate
    const char8_t* shadingRateNames[] = {
        u8"1x1", u8"2x2", u8"4x4",
        u8"1x2", u8"2x1", u8"2x4", u8"4x2"
    };
    const auto ButtonText = skr::format(u8"SwitchShadingRate-{}", shadingRateNames[shading_rate]);
    ImGui::Begin("ShadingRate");
    if (ImGui::Button(ButtonText.c_str()))
    {
        if (shading_rate != CGPU_SHADING_RATE_COUNT - 1)
            shading_rate = (ECGPUShadingRate)(shading_rate + 1);
        else
            shading_rate = CGPU_SHADING_RATE_FULL;
    }
    ImGui::End();

    // 2.add a render graph buffer for forward cbuffer
    auto cbuffer = renderGraph->create_buffer(
    [=](skr::render_graph::RenderGraph& g, skr::render_graph::BufferBuilder& builder) {
        builder.set_name(SKR_UTF8("forward_cbuffer"))
        .size(sizeof(skr_float4x4_t))
        .memory_usage(CGPU_MEM_USAGE_CPU_TO_GPU)
        .with_flags(CGPU_BCF_PERSISTENT_MAP_BIT)
        .with_tags(kRenderGraphDynamicResourceTag)
        .prefer_on_device()
        .as_uniform_buffer();
    });

    // 3.barrier skin vbs
    renderGraph->add_copy_pass(
    [=](skr::render_graph::RenderGraph& g, skr::render_graph::CopyPassBuilder& builder) {
        builder.set_name(SKR_UTF8("BarrierSkinVertexBuffers"))
        .can_be_lone();
    },
    [=, this](skr::render_graph::RenderGraph& g, skr::render_graph::CopyPassContext& context) {
        SkrZoneScopedN("BarrierSkinMeshes");
        CGPUResourceBarrierDescriptor      barrier_desc = {};
        skr::stl_vector<CGPUBufferBarrier> barriers;
        auto                               barrierVertices = [&](sugoi_chunk_view_t* r_cv) {
            const skr::anim::AnimComponent* anims = nullptr;