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filament/samples/material_sandbox.h
2023-02-17 11:16:42 -08:00

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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TNT_FILAMENT_SAMPLES_MATERIAL_SANDBOX_H
#define TNT_FILAMENT_SAMPLES_MATERIAL_SANDBOX_H
#include <filament/Color.h>
#include <filament/ColorGrading.h>
#include <filament/Engine.h>
#include <filament/LightManager.h>
#include <filament/Material.h>
#include <filament/MaterialInstance.h>
#include <filament/View.h>
#include <utils/Entity.h>
#include <utils/EntityManager.h>
#include <math/vec3.h>
#include <math/vec4.h>
#include "generated/resources/resources.h"
constexpr uint8_t MATERIAL_MODEL_UNLIT = 0;
constexpr uint8_t MATERIAL_MODEL_LIT = 1;
constexpr uint8_t MATERIAL_MODEL_SUBSURFACE = 2;
constexpr uint8_t MATERIAL_MODEL_CLOTH = 3;
constexpr uint8_t MATERIAL_MODEL_SPECGLOSS = 4;
constexpr uint8_t MATERIAL_UNLIT = 0;
constexpr uint8_t MATERIAL_LIT = 1;
constexpr uint8_t MATERIAL_SUBSURFACE = 2;
constexpr uint8_t MATERIAL_CLOTH = 3;
constexpr uint8_t MATERIAL_SPECGLOSS = 4;
constexpr uint8_t MATERIAL_TRANSPARENT = 5;
constexpr uint8_t MATERIAL_FADE = 6;
constexpr uint8_t MATERIAL_THIN_REFRACTION = 7;
constexpr uint8_t MATERIAL_SOLID_REFRACTION = 8;
constexpr uint8_t MATERIAL_THIN_SS_REFRACTION = 9;
constexpr uint8_t MATERIAL_SOLID_SS_REFRACTION = 10;
constexpr uint8_t MATERIAL_COUNT = 11;
constexpr uint8_t BLENDING_OPAQUE = 0;
constexpr uint8_t BLENDING_TRANSPARENT = 1;
constexpr uint8_t BLENDING_FADE = 2;
constexpr uint8_t BLENDING_THIN_REFRACTION = 3;
constexpr uint8_t BLENDING_SOLID_REFRACTION = 4;
using namespace filament;
struct ColorGradingOptions {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
int toneMapping = static_cast<int>(ColorGrading::ToneMapping::ACES_LEGACY);
#pragma clang diagnostic pop
bool luminanceScaling = false;
int temperature = 0;
int tint = 0;
math::float3 outRed{1.0f, 0.0f, 0.0f};
math::float3 outGreen{0.0f, 1.0f, 0.0f};
math::float3 outBlue{0.0f, 0.0f, 1.0f};
math::float4 shadows{1.0f, 1.0f, 1.0f, 0.0f};
math::float4 midtones{1.0f, 1.0f, 1.0f, 0.0f};
math::float4 highlights{1.0f, 1.0f, 1.0f, 0.0f};
math::float4 ranges{0.0f, 0.333f, 0.550f, 1.0f};
float contrast = 1.0f;
float vibrance = 1.0f;
float saturation = 1.0f;
math::float3 slope{1.0f};
math::float3 offset{0.0f};
math::float3 power{1.0f};
math::float3 gamma{1.0f};
math::float3 midPoint{1.0f};
math::float3 scale{1.0f};
bool linkedCurves = false;
bool operator!=(const ColorGradingOptions &rhs) const {
return !(rhs == *this);
}
bool operator==(const ColorGradingOptions &rhs) const {
return toneMapping == rhs.toneMapping &&
luminanceScaling == rhs.luminanceScaling &&
temperature == rhs.temperature &&
outRed == rhs.outRed &&
outGreen == rhs.outGreen &&
outBlue == rhs.outBlue &&
shadows == rhs.shadows &&
midtones == rhs.midtones &&
highlights == rhs.highlights &&
ranges == rhs.ranges &&
slope == rhs.slope &&
offset == rhs.offset &&
power == rhs.power &&
contrast == rhs.contrast &&
vibrance == rhs.vibrance &&
saturation == rhs.saturation &&
gamma == rhs.gamma &&
midPoint == rhs.midPoint &&
scale == rhs.scale;
}
};
struct SandboxParameters {
const Material* material[MATERIAL_COUNT];
MaterialInstance* materialInstance[MATERIAL_COUNT];
sRGBColor color = {0.69f, 0.69f, 0.69f};
float alpha = 1.0f;
float roughness = 0.6f;
float metallic = 0.0f;
float reflectance = 0.5f;
float clearCoat = 0.0f;
float clearCoatRoughness = 0.0f;
float anisotropy = 0.0f;
float thickness = 1.0f;
float subsurfacePower = 12.234f;
float glossiness = 0.0f;
float specularAntiAliasingVariance = 0.0f;
float specularAntiAliasingThreshold = 0.0f;
float transmission = 1.0f;
float distance = 1.0f;
float ior = 1.5;
float emissiveExposureWeight = 1.0f;
float emissiveEV = 0.0f;
float sheenRoughness = 0.0f;
sRGBColor transmittanceColor = { 1.0f };
sRGBColor specularColor = { 0.0f };
sRGBColor subsurfaceColor = { 0.0f };
sRGBColor sheenColor = { 0.0f, 0.0f, 0.0f };
sRGBColor emissiveColor = { 0.0f };
int currentMaterialModel = MATERIAL_MODEL_LIT;
int currentBlending = BLENDING_OPAQUE;
bool ssr = false;
bool castShadows = true;
sRGBColor lightColor = {0.98f, 0.92f, 0.89f};
float lightIntensity = 110000.0f;
math::float3 lightDirection = {0.6f, -1.0f, -0.8f};
float iblIntensity = 30000.0f;
float iblRotation = 0.0f;
float sunHaloSize = 10.0f;
float sunHaloFalloff = 80.0f;
float sunAngularRadius = 1.9f;
bool directionalLightEnabled = true;
utils::Entity light;
utils::Entity spotLight;
bool hasSpotLight = false;
bool spotLightEnabled = false;
sRGBColor spotLightColor = {1.0f, 1.0f, 1.0f};
float spotLightIntensity = 200000.0f;
bool spotLightCastShadows = true;
math::float3 spotLightPosition;
float spotLightConeAngle = 3.14159 / 4.0f;
float spotLightConeFade = 0.9f;
bool hasDirectionalLight = true;
bool fxaa = true;
bool msaa = false;
bool dithering = true;
bool stableShadowMap = false;
bool lispsm = true;
float normalBias = 1.0;
float constantBias = 0.001;
float polygonOffsetConstant = 0.5;
float polygonOffsetSlope = 2.0;
View::AmbientOcclusionOptions ssaoOptions;
View::BloomOptions bloomOptions;
View::FogOptions fogOptions;
View::TemporalAntiAliasingOptions taaOptions;
bool screenSpaceContactShadows = false;
int stepCount = 8;
float maxShadowDistance = 0.3;
float cameraAperture = 16.0f;
float cameraSpeed = 125.0f;
float cameraISO = 100.0f;
float cameraFocalLength = 28.0f;
float cameraNear = 0.1f;
float cameraFar = 100.0f;
bool colorGrading = true;
ColorGradingOptions colorGradingOptions;
};
inline void createInstances(SandboxParameters& params, Engine& engine) {
using namespace utils;
params.material[MATERIAL_UNLIT] = Material::Builder()
.package(RESOURCES_SANDBOXUNLIT_DATA, RESOURCES_SANDBOXUNLIT_SIZE)
.build(engine);
params.materialInstance[MATERIAL_UNLIT] =
params.material[MATERIAL_UNLIT]->createInstance();
params.material[MATERIAL_LIT] = Material::Builder()
.package(RESOURCES_SANDBOXLIT_DATA, RESOURCES_SANDBOXLIT_SIZE)
.build(engine);
params.materialInstance[MATERIAL_LIT] =
params.material[MATERIAL_LIT]->createInstance();
params.material[MATERIAL_TRANSPARENT] = Material::Builder()
.package(RESOURCES_SANDBOXLITTRANSPARENT_DATA, RESOURCES_SANDBOXLITTRANSPARENT_SIZE)
.build(engine);
params.materialInstance[MATERIAL_TRANSPARENT] =
params.material[MATERIAL_TRANSPARENT]->createInstance();
params.material[MATERIAL_FADE] = Material::Builder()
.package(RESOURCES_SANDBOXLITFADE_DATA, RESOURCES_SANDBOXLITFADE_SIZE)
.build(engine);
params.materialInstance[MATERIAL_FADE] =
params.material[MATERIAL_FADE]->createInstance();
params.material[MATERIAL_THIN_REFRACTION] = Material::Builder()
.package(RESOURCES_SANDBOXLITTHINREFRACTION_DATA, RESOURCES_SANDBOXLITTHINREFRACTION_SIZE)
.build(engine);
params.materialInstance[MATERIAL_THIN_REFRACTION] =
params.material[MATERIAL_THIN_REFRACTION]->createInstance();
params.material[MATERIAL_THIN_SS_REFRACTION] = Material::Builder()
.package(RESOURCES_SANDBOXLITTHINREFRACTIONSSR_DATA, RESOURCES_SANDBOXLITTHINREFRACTIONSSR_SIZE)
.build(engine);
params.materialInstance[MATERIAL_THIN_SS_REFRACTION] =
params.material[MATERIAL_THIN_SS_REFRACTION]->createInstance();
params.material[MATERIAL_SOLID_REFRACTION] = Material::Builder()
.package(RESOURCES_SANDBOXLITSOLIDREFRACTION_DATA, RESOURCES_SANDBOXLITSOLIDREFRACTION_SIZE)
.build(engine);
params.materialInstance[MATERIAL_SOLID_REFRACTION] =
params.material[MATERIAL_SOLID_REFRACTION]->createInstance();
params.material[MATERIAL_SOLID_SS_REFRACTION] = Material::Builder()
.package(RESOURCES_SANDBOXLITSOLIDREFRACTIONSSR_DATA, RESOURCES_SANDBOXLITSOLIDREFRACTIONSSR_SIZE)
.build(engine);
params.materialInstance[MATERIAL_SOLID_SS_REFRACTION] =
params.material[MATERIAL_SOLID_SS_REFRACTION]->createInstance();
params.material[MATERIAL_SUBSURFACE] = Material::Builder()
.package(RESOURCES_SANDBOXSUBSURFACE_DATA, RESOURCES_SANDBOXSUBSURFACE_SIZE)
.build(engine);
params.materialInstance[MATERIAL_SUBSURFACE] =
params.material[MATERIAL_SUBSURFACE]->createInstance();
params.material[MATERIAL_CLOTH] = Material::Builder()
.package(RESOURCES_SANDBOXCLOTH_DATA, RESOURCES_SANDBOXCLOTH_SIZE)
.build(engine);
params.materialInstance[MATERIAL_CLOTH] =
params.material[MATERIAL_CLOTH]->createInstance();
params.material[MATERIAL_SPECGLOSS] = Material::Builder()
.package(RESOURCES_SANDBOXSPECGLOSS_DATA, RESOURCES_SANDBOXSPECGLOSS_SIZE)
.build(engine);
params.materialInstance[MATERIAL_SPECGLOSS] =
params.material[MATERIAL_SPECGLOSS]->createInstance();
params.light = EntityManager::get().create();
LightManager::Builder(LightManager::Type::SUN)
.color(Color::toLinear<ACCURATE>(params.lightColor))
.intensity(params.lightIntensity)
.direction(normalize(params.lightDirection))
.castShadows(true)
.sunAngularRadius(params.sunAngularRadius)
.sunHaloSize(params.sunHaloSize)
.sunHaloFalloff(params.sunHaloFalloff)
.build(engine, params.light);
params.spotLight = EntityManager::get().create();
LightManager::Builder(LightManager::Type::SPOT)
.color(Color::toLinear<ACCURATE>(params.spotLightColor))
.intensity(params.spotLightIntensity)
.direction({0.0f, -1.0f, 0.0f})
.spotLightCone(params.spotLightConeAngle * params.spotLightConeFade,
params.spotLightConeAngle)
.castShadows(params.spotLightCastShadows)
.falloff(10.0f)
.build(engine, params.spotLight);
}
#endif // TNT_FILAMENT_SAMPLES_MATERIAL_SANDBOX_H