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568 lines
No EOL
22 KiB
C++
568 lines
No EOL
22 KiB
C++
//
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// DeferredLightingEffect.cpp
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// interface/src/renderer
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//
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// Created by Andrzej Kapolka on 9/11/14.
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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// include this before QOpenGLFramebufferObject, which includes an earlier version of OpenGL
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#include <gpu/GPUConfig.h>
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#include <QOpenGLFramebufferObject>
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#include <GLMHelpers.h>
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#include <PathUtils.h>
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#include <ViewFrustum.h>
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#include "AbstractViewStateInterface.h"
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#include "DeferredLightingEffect.h"
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#include "GeometryCache.h"
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#include "GlowEffect.h"
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#include "RenderUtil.h"
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#include "TextureCache.h"
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#include "gpu/Batch.h"
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#include "gpu/GLBackend.h"
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#include "simple_vert.h"
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#include "simple_frag.h"
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#include "deferred_light_vert.h"
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#include "deferred_light_limited_vert.h"
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#include "directional_light_frag.h"
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#include "directional_light_shadow_map_frag.h"
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#include "directional_light_cascaded_shadow_map_frag.h"
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#include "directional_ambient_light_frag.h"
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#include "directional_ambient_light_shadow_map_frag.h"
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#include "directional_ambient_light_cascaded_shadow_map_frag.h"
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#include "point_light_frag.h"
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#include "spot_light_frag.h"
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void DeferredLightingEffect::init(AbstractViewStateInterface* viewState) {
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_viewState = viewState;
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_simpleProgram.addShaderFromSourceCode(QGLShader::Vertex, simple_vert);
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_simpleProgram.addShaderFromSourceCode(QGLShader::Fragment, simple_frag);
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_simpleProgram.link();
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_simpleProgram.bind();
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_glowIntensityLocation = _simpleProgram.uniformLocation("glowIntensity");
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_simpleProgram.release();
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loadLightProgram(directional_light_frag, false, _directionalLight, _directionalLightLocations);
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loadLightProgram(directional_light_shadow_map_frag, false, _directionalLightShadowMap,
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_directionalLightShadowMapLocations);
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loadLightProgram(directional_light_cascaded_shadow_map_frag, false, _directionalLightCascadedShadowMap,
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_directionalLightCascadedShadowMapLocations);
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loadLightProgram(directional_ambient_light_frag, false, _directionalAmbientSphereLight, _directionalAmbientSphereLightLocations);
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loadLightProgram(directional_ambient_light_shadow_map_frag, false, _directionalAmbientSphereLightShadowMap,
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_directionalAmbientSphereLightShadowMapLocations);
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loadLightProgram(directional_ambient_light_cascaded_shadow_map_frag, false, _directionalAmbientSphereLightCascadedShadowMap,
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_directionalAmbientSphereLightCascadedShadowMapLocations);
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loadLightProgram(point_light_frag, true, _pointLight, _pointLightLocations);
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loadLightProgram(spot_light_frag, true, _spotLight, _spotLightLocations);
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// Allocate a global light representing the Global Directional light casting shadow (the sun) and the ambient light
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_globalLights.push_back(0);
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_allocatedLights.push_back(model::LightPointer(new model::Light()));
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model::LightPointer lp = _allocatedLights[0];
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lp->setDirection(-glm::vec3(1.0f, 1.0f, 1.0f));
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lp->setColor(glm::vec3(1.0f));
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lp->setIntensity(1.0f);
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lp->setType(model::Light::SUN);
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lp->setAmbientSpherePreset(model::SphericalHarmonics::Preset(_ambientLightMode % model::SphericalHarmonics::NUM_PRESET));
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}
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void DeferredLightingEffect::bindSimpleProgram() {
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DependencyManager::get<TextureCache>()->setPrimaryDrawBuffers(true, true, true);
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_simpleProgram.bind();
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_simpleProgram.setUniformValue(_glowIntensityLocation, DependencyManager::get<GlowEffect>()->getIntensity());
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glDisable(GL_BLEND);
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}
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void DeferredLightingEffect::releaseSimpleProgram() {
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glEnable(GL_BLEND);
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_simpleProgram.release();
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DependencyManager::get<TextureCache>()->setPrimaryDrawBuffers(true, false, false);
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}
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void DeferredLightingEffect::renderSolidSphere(float radius, int slices, int stacks, const glm::vec4& color) {
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bindSimpleProgram();
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DependencyManager::get<GeometryCache>()->renderSphere(radius, slices, stacks, color);
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releaseSimpleProgram();
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}
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void DeferredLightingEffect::renderWireSphere(float radius, int slices, int stacks, const glm::vec4& color) {
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bindSimpleProgram();
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DependencyManager::get<GeometryCache>()->renderSphere(radius, slices, stacks, color, false);
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releaseSimpleProgram();
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}
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void DeferredLightingEffect::renderSolidCube(float size, const glm::vec4& color) {
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bindSimpleProgram();
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DependencyManager::get<GeometryCache>()->renderSolidCube(size, color);
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releaseSimpleProgram();
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}
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void DeferredLightingEffect::renderWireCube(float size, const glm::vec4& color) {
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bindSimpleProgram();
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DependencyManager::get<GeometryCache>()->renderWireCube(size, color);
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releaseSimpleProgram();
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}
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void DeferredLightingEffect::renderSolidCone(float base, float height, int slices, int stacks) {
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bindSimpleProgram();
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DependencyManager::get<GeometryCache>()->renderCone(base, height, slices, stacks);
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releaseSimpleProgram();
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}
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void DeferredLightingEffect::addPointLight(const glm::vec3& position, float radius, const glm::vec3& color,
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float intensity) {
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addSpotLight(position, radius, color, intensity);
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}
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void DeferredLightingEffect::addSpotLight(const glm::vec3& position, float radius, const glm::vec3& color,
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float intensity, const glm::quat& orientation, float exponent, float cutoff) {
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unsigned int lightID = _pointLights.size() + _spotLights.size() + _globalLights.size();
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if (lightID >= _allocatedLights.size()) {
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_allocatedLights.push_back(model::LightPointer(new model::Light()));
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}
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model::LightPointer lp = _allocatedLights[lightID];
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lp->setPosition(position);
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lp->setMaximumRadius(radius);
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lp->setColor(color);
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lp->setIntensity(intensity);
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//lp->setShowContour(quadraticAttenuation);
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if (exponent == 0.0f && cutoff == PI) {
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lp->setType(model::Light::POINT);
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_pointLights.push_back(lightID);
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} else {
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lp->setOrientation(orientation);
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lp->setSpotAngle(cutoff);
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lp->setSpotExponent(exponent);
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lp->setType(model::Light::SPOT);
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_spotLights.push_back(lightID);
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}
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}
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void DeferredLightingEffect::prepare() {
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// clear the normal and specular buffers
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auto textureCache = DependencyManager::get<TextureCache>();
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textureCache->setPrimaryDrawBuffers(false, true, false);
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glClear(GL_COLOR_BUFFER_BIT);
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textureCache->setPrimaryDrawBuffers(false, false, true);
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// clearing to zero alpha for specular causes problems on my Nvidia card; clear to lowest non-zero value instead
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const float MAX_SPECULAR_EXPONENT = 128.0f;
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f / MAX_SPECULAR_EXPONENT);
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glClear(GL_COLOR_BUFFER_BIT);
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glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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textureCache->setPrimaryDrawBuffers(true, false, false);
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}
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void DeferredLightingEffect::render() {
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// perform deferred lighting, rendering to free fbo
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glDisable(GL_BLEND);
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glDisable(GL_LIGHTING);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_COLOR_MATERIAL);
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glDepthMask(false);
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auto textureCache = DependencyManager::get<TextureCache>();
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// QOpenGLFramebufferObject* primaryFBO = textureCache->getPrimaryFramebufferObject();
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// primaryFBO->release();
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QSize framebufferSize = textureCache->getFrameBufferSize();
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QOpenGLFramebufferObject* freeFBO = DependencyManager::get<GlowEffect>()->getFreeFramebufferObject();
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freeFBO->bind();
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glClear(GL_COLOR_BUFFER_BIT);
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// glEnable(GL_FRAMEBUFFER_SRGB);
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// glBindTexture(GL_TEXTURE_2D, primaryFBO->texture());
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glBindTexture(GL_TEXTURE_2D, textureCache->getPrimaryColorTextureID());
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glActiveTexture(GL_TEXTURE1);
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glBindTexture(GL_TEXTURE_2D, textureCache->getPrimaryNormalTextureID());
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glActiveTexture(GL_TEXTURE2);
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glBindTexture(GL_TEXTURE_2D, textureCache->getPrimarySpecularTextureID());
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glActiveTexture(GL_TEXTURE3);
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glBindTexture(GL_TEXTURE_2D, textureCache->getPrimaryDepthTextureID());
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// get the viewport side (left, right, both)
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int viewport[4];
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glGetIntegerv(GL_VIEWPORT, viewport);
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const int VIEWPORT_X_INDEX = 0;
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const int VIEWPORT_Y_INDEX = 1;
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const int VIEWPORT_WIDTH_INDEX = 2;
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const int VIEWPORT_HEIGHT_INDEX = 3;
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/* float sMin = viewport[VIEWPORT_X_INDEX] / (float)primaryFBO->width();
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float sWidth = viewport[VIEWPORT_WIDTH_INDEX] / (float)primaryFBO->width();
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float tMin = viewport[VIEWPORT_Y_INDEX] / (float)primaryFBO->height();
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float tHeight = viewport[VIEWPORT_HEIGHT_INDEX] / (float)primaryFBO->height();
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*/
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float sMin = viewport[VIEWPORT_X_INDEX] / (float)framebufferSize.width();
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float sWidth = viewport[VIEWPORT_WIDTH_INDEX] / (float)framebufferSize.width();
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float tMin = viewport[VIEWPORT_Y_INDEX] / (float)framebufferSize.height();
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float tHeight = viewport[VIEWPORT_HEIGHT_INDEX] / (float)framebufferSize.height();
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// Fetch the ViewMatrix;
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glm::mat4 invViewMat;
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_viewState->getViewTransform().getMatrix(invViewMat);
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ProgramObject* program = &_directionalLight;
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const LightLocations* locations = &_directionalLightLocations;
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bool shadowsEnabled = _viewState->getShadowsEnabled();
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if (shadowsEnabled) {
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glActiveTexture(GL_TEXTURE4);
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glBindTexture(GL_TEXTURE_2D, textureCache->getShadowDepthTextureID());
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program = &_directionalLightShadowMap;
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locations = &_directionalLightShadowMapLocations;
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if (_viewState->getCascadeShadowsEnabled()) {
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program = &_directionalLightCascadedShadowMap;
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locations = &_directionalLightCascadedShadowMapLocations;
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if (_ambientLightMode > -1) {
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program = &_directionalAmbientSphereLightCascadedShadowMap;
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locations = &_directionalAmbientSphereLightCascadedShadowMapLocations;
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}
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program->bind();
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program->setUniform(locations->shadowDistances, _viewState->getShadowDistances());
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} else {
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if (_ambientLightMode > -1) {
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program = &_directionalAmbientSphereLightShadowMap;
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locations = &_directionalAmbientSphereLightShadowMapLocations;
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}
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program->bind();
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}
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program->setUniformValue(locations->shadowScale,
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1.0f / textureCache->getShadowFramebuffer()->getWidth());
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} else {
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if (_ambientLightMode > -1) {
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program = &_directionalAmbientSphereLight;
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locations = &_directionalAmbientSphereLightLocations;
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}
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program->bind();
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}
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{
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auto globalLight = _allocatedLights[_globalLights.front()];
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if (locations->ambientSphere >= 0) {
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auto sh = globalLight->getAmbientSphere();
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for (int i =0; i <model::SphericalHarmonics::NUM_COEFFICIENTS; i++) {
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program->setUniformValue(locations->ambientSphere + i, *(((QVector4D*) &sh) + i));
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}
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}
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if (locations->lightBufferUnit >= 0) {
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gpu::Batch batch;
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batch.setUniformBuffer(locations->lightBufferUnit, globalLight->getSchemaBuffer());
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gpu::GLBackend::renderBatch(batch);
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}
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if (_atmosphere && (locations->atmosphereBufferUnit >= 0)) {
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gpu::Batch batch;
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batch.setUniformBuffer(locations->atmosphereBufferUnit, _atmosphere->getDataBuffer());
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gpu::GLBackend::renderBatch(batch);
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}
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glUniformMatrix4fv(locations->invViewMat, 1, false, reinterpret_cast< const GLfloat* >(&invViewMat));
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}
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float left, right, bottom, top, nearVal, farVal;
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glm::vec4 nearClipPlane, farClipPlane;
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_viewState->computeOffAxisFrustum(left, right, bottom, top, nearVal, farVal, nearClipPlane, farClipPlane);
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program->setUniformValue(locations->nearLocation, nearVal);
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float depthScale = (farVal - nearVal) / farVal;
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program->setUniformValue(locations->depthScale, depthScale);
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float nearScale = -1.0f / nearVal;
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float depthTexCoordScaleS = (right - left) * nearScale / sWidth;
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float depthTexCoordScaleT = (top - bottom) * nearScale / tHeight;
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float depthTexCoordOffsetS = left * nearScale - sMin * depthTexCoordScaleS;
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float depthTexCoordOffsetT = bottom * nearScale - tMin * depthTexCoordScaleT;
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program->setUniformValue(locations->depthTexCoordOffset, depthTexCoordOffsetS, depthTexCoordOffsetT);
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program->setUniformValue(locations->depthTexCoordScale, depthTexCoordScaleS, depthTexCoordScaleT);
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renderFullscreenQuad(sMin, sMin + sWidth, tMin, tMin + tHeight);
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program->release();
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if (shadowsEnabled) {
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glBindTexture(GL_TEXTURE_2D, 0);
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glActiveTexture(GL_TEXTURE3);
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}
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// additive blending
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glEnable(GL_BLEND);
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glBlendFunc(GL_ONE, GL_ONE);
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glEnable(GL_CULL_FACE);
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glm::vec4 sCoefficients(sWidth / 2.0f, 0.0f, 0.0f, sMin + sWidth / 2.0f);
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glm::vec4 tCoefficients(0.0f, tHeight / 2.0f, 0.0f, tMin + tHeight / 2.0f);
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glTexGenfv(GL_S, GL_OBJECT_PLANE, (const GLfloat*)&sCoefficients);
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glTexGenfv(GL_T, GL_OBJECT_PLANE, (const GLfloat*)&tCoefficients);
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// enlarge the scales slightly to account for tesselation
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const float SCALE_EXPANSION = 0.05f;
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const glm::vec3& eyePoint = _viewState->getCurrentViewFrustum()->getPosition();
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float nearRadius = glm::distance(eyePoint, _viewState->getCurrentViewFrustum()->getNearTopLeft());
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auto geometryCache = DependencyManager::get<GeometryCache>();
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if (!_pointLights.empty()) {
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_pointLight.bind();
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_pointLight.setUniformValue(_pointLightLocations.nearLocation, nearVal);
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_pointLight.setUniformValue(_pointLightLocations.depthScale, depthScale);
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_pointLight.setUniformValue(_pointLightLocations.depthTexCoordOffset, depthTexCoordOffsetS, depthTexCoordOffsetT);
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_pointLight.setUniformValue(_pointLightLocations.depthTexCoordScale, depthTexCoordScaleS, depthTexCoordScaleT);
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for (auto lightID : _pointLights) {
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auto light = _allocatedLights[lightID];
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if (_pointLightLocations.lightBufferUnit >= 0) {
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gpu::Batch batch;
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batch.setUniformBuffer(_pointLightLocations.lightBufferUnit, light->getSchemaBuffer());
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gpu::GLBackend::renderBatch(batch);
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}
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glUniformMatrix4fv(_pointLightLocations.invViewMat, 1, false, reinterpret_cast< const GLfloat* >(&invViewMat));
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glPushMatrix();
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float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION);
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if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < expandedRadius + nearRadius) {
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glLoadIdentity();
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glTranslatef(0.0f, 0.0f, -1.0f);
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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renderFullscreenQuad();
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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} else {
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glTranslatef(light->getPosition().x, light->getPosition().y, light->getPosition().z);
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geometryCache->renderSphere(expandedRadius, 32, 32, glm::vec4(1.0f, 1.0f, 1.0f, 1.0f));
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}
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glPopMatrix();
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}
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_pointLights.clear();
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_pointLight.release();
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}
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if (!_spotLights.empty()) {
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_spotLight.bind();
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_spotLight.setUniformValue(_spotLightLocations.nearLocation, nearVal);
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_spotLight.setUniformValue(_spotLightLocations.depthScale, depthScale);
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_spotLight.setUniformValue(_spotLightLocations.depthTexCoordOffset, depthTexCoordOffsetS, depthTexCoordOffsetT);
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_spotLight.setUniformValue(_spotLightLocations.depthTexCoordScale, depthTexCoordScaleS, depthTexCoordScaleT);
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for (auto lightID : _spotLights) {
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auto light = _allocatedLights[lightID];
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if (_spotLightLocations.lightBufferUnit >= 0) {
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gpu::Batch batch;
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batch.setUniformBuffer(_spotLightLocations.lightBufferUnit, light->getSchemaBuffer());
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gpu::GLBackend::renderBatch(batch);
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}
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glUniformMatrix4fv(_spotLightLocations.invViewMat, 1, false, reinterpret_cast< const GLfloat* >(&invViewMat));
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glPushMatrix();
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float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION);
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float edgeRadius = expandedRadius / glm::cos(light->getSpotAngle());
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if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < edgeRadius + nearRadius) {
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glLoadIdentity();
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glTranslatef(0.0f, 0.0f, -1.0f);
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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renderFullscreenQuad();
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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} else {
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glTranslatef(light->getPosition().x, light->getPosition().y, light->getPosition().z);
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glm::quat spotRotation = rotationBetween(glm::vec3(0.0f, 0.0f, -1.0f), light->getDirection());
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glm::vec3 axis = glm::axis(spotRotation);
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glRotatef(glm::degrees(glm::angle(spotRotation)), axis.x, axis.y, axis.z);
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glTranslatef(0.0f, 0.0f, -light->getMaximumRadius() * (1.0f + SCALE_EXPANSION * 0.5f));
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geometryCache->renderCone(expandedRadius * glm::tan(light->getSpotAngle()),
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expandedRadius, 32, 1);
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}
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glPopMatrix();
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}
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_spotLights.clear();
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_spotLight.release();
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}
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glBindTexture(GL_TEXTURE_2D, 0);
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glActiveTexture(GL_TEXTURE2);
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glBindTexture(GL_TEXTURE_2D, 0);
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glActiveTexture(GL_TEXTURE1);
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glBindTexture(GL_TEXTURE_2D, 0);
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, 0);
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freeFBO->release();
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// glDisable(GL_FRAMEBUFFER_SRGB);
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glDisable(GL_CULL_FACE);
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// now transfer the lit region to the primary fbo
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glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA, GL_ONE);
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glColorMask(true, true, true, false);
|
|
|
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auto primaryFBO = gpu::GLBackend::getFramebufferID(textureCache->getPrimaryOpaqueFramebuffer());
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, primaryFBO);
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|
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//primaryFBO->bind();
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|
|
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glBindTexture(GL_TEXTURE_2D, freeFBO->texture());
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glEnable(GL_TEXTURE_2D);
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|
|
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glPushMatrix();
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glLoadIdentity();
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|
|
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glMatrixMode(GL_PROJECTION);
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|
glPushMatrix();
|
|
glLoadIdentity();
|
|
|
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renderFullscreenQuad(sMin, sMin + sWidth, tMin, tMin + tHeight);
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|
|
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glBindTexture(GL_TEXTURE_2D, 0);
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glDisable(GL_TEXTURE_2D);
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|
|
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glColorMask(true, true, true, true);
|
|
glEnable(GL_LIGHTING);
|
|
glEnable(GL_COLOR_MATERIAL);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthMask(true);
|
|
|
|
glPopMatrix();
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPopMatrix();
|
|
|
|
// now render the objects we held back until after deferred lighting
|
|
foreach (PostLightingRenderable* renderable, _postLightingRenderables) {
|
|
renderable->renderPostLighting();
|
|
}
|
|
_postLightingRenderables.clear();
|
|
}
|
|
|
|
void DeferredLightingEffect::loadLightProgram(const char* fragSource, bool limited, ProgramObject& program, LightLocations& locations) {
|
|
program.addShaderFromSourceCode(QGLShader::Vertex, (limited ? deferred_light_limited_vert : deferred_light_vert));
|
|
program.addShaderFromSourceCode(QGLShader::Fragment, fragSource);
|
|
program.link();
|
|
|
|
program.bind();
|
|
program.setUniformValue("diffuseMap", 0);
|
|
program.setUniformValue("normalMap", 1);
|
|
program.setUniformValue("specularMap", 2);
|
|
program.setUniformValue("depthMap", 3);
|
|
program.setUniformValue("shadowMap", 4);
|
|
locations.shadowDistances = program.uniformLocation("shadowDistances");
|
|
locations.shadowScale = program.uniformLocation("shadowScale");
|
|
locations.nearLocation = program.uniformLocation("near");
|
|
locations.depthScale = program.uniformLocation("depthScale");
|
|
locations.depthTexCoordOffset = program.uniformLocation("depthTexCoordOffset");
|
|
locations.depthTexCoordScale = program.uniformLocation("depthTexCoordScale");
|
|
locations.radius = program.uniformLocation("radius");
|
|
locations.ambientSphere = program.uniformLocation("ambientSphere.L00");
|
|
locations.invViewMat = program.uniformLocation("invViewMat");
|
|
|
|
GLint loc = -1;
|
|
|
|
#if (GPU_FEATURE_PROFILE == GPU_CORE)
|
|
const GLint LIGHT_GPU_SLOT = 3;
|
|
loc = glGetUniformBlockIndex(program.programId(), "lightBuffer");
|
|
if (loc >= 0) {
|
|
glUniformBlockBinding(program.programId(), loc, LIGHT_GPU_SLOT);
|
|
locations.lightBufferUnit = LIGHT_GPU_SLOT;
|
|
} else {
|
|
locations.lightBufferUnit = -1;
|
|
}
|
|
#else
|
|
loc = program.uniformLocation("lightBuffer");
|
|
if (loc >= 0) {
|
|
locations.lightBufferUnit = loc;
|
|
} else {
|
|
locations.lightBufferUnit = -1;
|
|
}
|
|
#endif
|
|
|
|
#if (GPU_FEATURE_PROFILE == GPU_CORE)
|
|
const GLint ATMOSPHERE_GPU_SLOT = 4;
|
|
loc = glGetUniformBlockIndex(program.programId(), "atmosphereBufferUnit");
|
|
if (loc >= 0) {
|
|
glUniformBlockBinding(program.programId(), loc, ATMOSPHERE_GPU_SLOT);
|
|
locations.atmosphereBufferUnit = ATMOSPHERE_GPU_SLOT;
|
|
} else {
|
|
locations.atmosphereBufferUnit = -1;
|
|
}
|
|
#else
|
|
loc = program.uniformLocation("atmosphereBufferUnit");
|
|
if (loc >= 0) {
|
|
locations.atmosphereBufferUnit = loc;
|
|
} else {
|
|
locations.atmosphereBufferUnit = -1;
|
|
}
|
|
#endif
|
|
|
|
program.release();
|
|
}
|
|
|
|
void DeferredLightingEffect::setAmbientLightMode(int preset) {
|
|
if ((preset >= 0) && (preset < model::SphericalHarmonics::NUM_PRESET)) {
|
|
_ambientLightMode = preset;
|
|
auto light = _allocatedLights.front();
|
|
light->setAmbientSpherePreset(model::SphericalHarmonics::Preset(preset % model::SphericalHarmonics::NUM_PRESET));
|
|
} else {
|
|
// force to preset 0
|
|
setAmbientLightMode(0);
|
|
}
|
|
}
|
|
|
|
void DeferredLightingEffect::setGlobalLight(const glm::vec3& direction, const glm::vec3& diffuse, float intensity) {
|
|
auto light = _allocatedLights.front();
|
|
light->setDirection(direction);
|
|
light->setColor(diffuse);
|
|
light->setIntensity(intensity);
|
|
}
|
|
|
|
void DeferredLightingEffect::setGlobalSkybox(const model::SkyboxPointer& skybox) {
|
|
_skybox = skybox;
|
|
} |