cocos_lib/cocos/renderer/pipeline/PipelineSceneData.cpp

/****************************************************************************
 Copyright (c) 2020-2023 Xiamen Yaji Software Co., Ltd.

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#include "PipelineSceneData.h"
#include <sstream>
#include "core/ArrayBuffer.h"
#include "core/assets/Material.h"
#include "gfx-base/GFXDef-common.h"
#include "gfx-base/GFXDevice.h"
#include "gfx-base/GFXFramebuffer.h"
#include "gi/light-probe/LightProbe.h"
#include "scene/Ambient.h"
#include "scene/Fog.h"
#include "scene/Model.h"
#include "scene/Octree.h"
#include "scene/Pass.h"
#include "scene/Shadow.h"
#include "scene/Skin.h"
#include "scene/Skybox.h"
#include "scene/Model.h"
#include "scene/PostSettings.h"

namespace cc {
namespace pipeline {

PipelineSceneData::PipelineSceneData() {
    _fog = ccnew scene::Fog();
    _ambient = ccnew scene::Ambient();
    _skybox = ccnew scene::Skybox();
    _shadow = ccnew scene::Shadows();
    _csmLayers = ccnew CSMLayers();
    _octree = ccnew scene::Octree();
    _lightProbes = ccnew gi::LightProbes();
    _skin = ccnew scene::Skin();
    _postSettings = ccnew scene ::PostSettings();
}

PipelineSceneData::~PipelineSceneData() {
    CC_SAFE_DELETE(_fog);
    CC_SAFE_DELETE(_ambient);
    CC_SAFE_DELETE(_skybox);
    CC_SAFE_DELETE(_shadow);
    CC_SAFE_DELETE(_octree);
    CC_SAFE_DELETE(_csmLayers);
    CC_SAFE_DELETE(_lightProbes);
    CC_SAFE_DELETE(_skin);
    CC_SAFE_DELETE(_postSettings);
}

void PipelineSceneData::activate(gfx::Device *device) {
    _device = device;

#if CC_USE_GEOMETRY_RENDERER
    initGeometryRenderer();
#endif

#if CC_USE_DEBUG_RENDERER
    initDebugRenderer();
#endif

#if CC_USE_OCCLUSION_QUERY
    initOcclusionQuery();
#endif
}

void PipelineSceneData::destroy() {
    _shadowFrameBufferMap.clear();
    _validPunctualLights.clear();

    _occlusionQueryInputAssembler = nullptr;
    _occlusionQueryVertexBuffer = nullptr;
    _occlusionQueryIndicesBuffer = nullptr;
    _standardSkinModel = nullptr;
    _skinMaterialModel = nullptr;
}

void PipelineSceneData::initOcclusionQuery() {
    CC_ASSERT(!_occlusionQueryInputAssembler);
    _occlusionQueryInputAssembler = createOcclusionQueryIA();

    if (!_occlusionQueryMaterial) {
        _occlusionQueryMaterial = ccnew Material();
        _occlusionQueryMaterial->setUuid("default-occlusion-query-material");
        IMaterialInfo info;
        info.effectName = "internal/builtin-occlusion-query";
        _occlusionQueryMaterial->initialize(info);
        if (!_occlusionQueryMaterial->getPasses()->empty()) {
            _occlusionQueryPass = (*_occlusionQueryMaterial->getPasses())[0];
            _occlusionQueryShader = _occlusionQueryPass->getShaderVariant();
        }
    }
}

void PipelineSceneData::initGeometryRenderer() {
    _geometryRendererMaterials.resize(GEOMETRY_RENDERER_TECHNIQUE_COUNT);
    _geometryRendererPasses.reserve(GEOMETRY_RENDERER_TECHNIQUE_COUNT);
    _geometryRendererShaders.reserve(GEOMETRY_RENDERER_TECHNIQUE_COUNT);

    for (uint32_t tech = 0; tech < GEOMETRY_RENDERER_TECHNIQUE_COUNT; tech++) {
        _geometryRendererMaterials[tech] = ccnew Material();

        std::stringstream ss;
        ss << "geometry-renderer-material-" << tech;
        _geometryRendererMaterials[tech]->setUuid(ss.str());

        IMaterialInfo materialInfo;
        materialInfo.effectName = "internal/builtin-geometry-renderer";
        materialInfo.technique = tech;
        _geometryRendererMaterials[tech]->initialize(materialInfo);

        const auto &passes = _geometryRendererMaterials[tech]->getPasses().get();
        for (const auto &pass : *passes) {
            _geometryRendererPasses.emplace_back(pass);
            _geometryRendererShaders.emplace_back(pass->getShaderVariant());
        }
    }
}

void PipelineSceneData::initDebugRenderer() {
    if (!_debugRendererMaterial) {
        _debugRendererMaterial = ccnew Material();
        _debugRendererMaterial->setUuid("default-debug-renderer-material");
        IMaterialInfo info;
        info.effectName = "internal/builtin-debug-renderer";
        _debugRendererMaterial->initialize(info);
        _debugRendererPass = (*_debugRendererMaterial->getPasses())[0];
        _debugRendererShader = _debugRendererPass->getShaderVariant();
    }
}

gfx::InputAssembler *PipelineSceneData::createOcclusionQueryIA() {
    // create vertex buffer
    const float vertices[] = {-1, -1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1};
    uint32_t vbStride = sizeof(float) * 3;
    uint32_t vbSize = vbStride * 8;

    _occlusionQueryVertexBuffer = _device->createBuffer(gfx::BufferInfo{
        gfx::BufferUsageBit::VERTEX | gfx::BufferUsageBit::TRANSFER_DST,
        gfx::MemoryUsageBit::DEVICE, vbSize, vbStride});
    _occlusionQueryVertexBuffer->update(vertices);

    // create index buffer
    const uint16_t indices[] = {0, 2, 1, 1, 2, 3, 4, 5, 6, 5, 7, 6, 1, 3, 7, 1, 7, 5, 0, 4, 6, 0, 6, 2, 0, 1, 5, 0, 5, 4, 2, 6, 7, 2, 7, 3};
    uint32_t ibStride = sizeof(uint16_t);
    uint32_t ibSize = ibStride * 36;
    _occlusionQueryIndicesBuffer = _device->createBuffer(gfx::BufferInfo{
        gfx::BufferUsageBit::INDEX | gfx::BufferUsageBit::TRANSFER_DST,
        gfx::MemoryUsageBit::DEVICE, ibSize, ibStride});
    _occlusionQueryIndicesBuffer->update(indices);

    gfx::AttributeList attributes{gfx::Attribute{gfx::ATTR_NAME_POSITION, gfx::Format::RGB32F}};

    // create cube input assembler
    gfx::InputAssemblerInfo info{attributes, {_occlusionQueryVertexBuffer}, _occlusionQueryIndicesBuffer};
    return _device->createInputAssembler(info);
}

void PipelineSceneData::setStandardSkinModel(scene::Model *val) {
    _standardSkinModel = val;
}

void PipelineSceneData::setSkinMaterialModel(scene::Model *val) {
    _skinMaterialModel = val;
}

} // namespace pipeline
} // namespace cc