diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp index 474913fefb..fda7881576 100644 --- a/interface/src/Application.cpp +++ b/interface/src/Application.cpp @@ -2599,6 +2599,9 @@ const GLfloat WORLD_AMBIENT_COLOR[] = { 0.525f, 0.525f, 0.6f }; const GLfloat WORLD_DIFFUSE_COLOR[] = { 0.6f, 0.525f, 0.525f }; const GLfloat WORLD_SPECULAR_COLOR[] = { 0.94f, 0.94f, 0.737f, 1.0f }; +const glm::vec3 GLOBAL_LIGHT_COLOR = { 0.6f, 0.525f, 0.525f }; +const float GLOBAL_LIGHT_INTENSITY = 1.0f; + void Application::setupWorldLight() { // Setup 3D lights (after the camera transform, so that they are positioned in world space) @@ -2613,6 +2616,7 @@ void Application::setupWorldLight() { glLightfv(GL_LIGHT0, GL_SPECULAR, WORLD_SPECULAR_COLOR); glMaterialfv(GL_FRONT, GL_SPECULAR, WORLD_SPECULAR_COLOR); glMateriali(GL_FRONT, GL_SHININESS, 96); + } bool Application::shouldRenderMesh(float largestDimension, float distanceToCamera) { @@ -2819,7 +2823,7 @@ void Application::displaySide(Camera& theCamera, bool selfAvatarOnly, RenderArgs { DependencyManager::get()->setAmbientLightMode(getRenderAmbientLight()); - + DependencyManager::get()->setGlobalLight(-getSunDirection(), GLOBAL_LIGHT_COLOR, GLOBAL_LIGHT_INTENSITY); PROFILE_RANGE("DeferredLighting"); PerformanceTimer perfTimer("lighting"); DependencyManager::get()->render(); diff --git a/libraries/fbx/src/FBXReader.cpp b/libraries/fbx/src/FBXReader.cpp index 3502dd219f..72d153289a 100644 --- a/libraries/fbx/src/FBXReader.cpp +++ b/libraries/fbx/src/FBXReader.cpp @@ -1127,7 +1127,7 @@ FBXTexture getTexture(const QString& textureID, texture.transform.setTranslation(p.translation); texture.transform.setRotation(glm::quat(glm::radians(p.rotation))); texture.transform.setScale(p.scaling); - if ((p.UVSet != "map1") || (p.UVSet != "UVSet0")) { + if ((p.UVSet != "map1") && (p.UVSet != "UVSet0")) { texture.texcoordSet = 1; } texture.texcoordSetName = p.UVSet; @@ -1556,6 +1556,7 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping, if (property.name == propertyName) { QString v = property.properties.at(0).toString(); if (property.properties.at(0) == "UVSet") { + std::string uvName = property.properties.at(index).toString().toStdString(); tex.assign(tex.UVSet, property.properties.at(index).toString()); } else if (property.properties.at(0) == "CurrentTextureBlendMode") { tex.assign(tex.currentTextureBlendMode, property.properties.at(index).value()); diff --git a/libraries/gpu/src/gpu/Texture.cpp b/libraries/gpu/src/gpu/Texture.cpp index 81c861fff8..43d8c991b6 100755 --- a/libraries/gpu/src/gpu/Texture.cpp +++ b/libraries/gpu/src/gpu/Texture.cpp @@ -85,8 +85,11 @@ bool Texture::Storage::allocateMip(uint16 level) { bool Texture::Storage::assignMipData(uint16 level, const Element& format, Size size, const Byte* bytes) { // Ok we should be able to do that... allocateMip(level); - _mips[level]->_format = format; - Size allocated = _mips[level]->_sysmem.setData(size, bytes); + auto mip = _mips[level]; + mip->_format = format; + Size allocated = mip->_sysmem.setData(size, bytes); + mip->_isGPULoaded = false; + return allocated == size; } diff --git a/libraries/model/src/model/Geometry.h b/libraries/model/src/model/Geometry.h index 0beaa20a83..fbd485e6a0 100755 --- a/libraries/model/src/model/Geometry.h +++ b/libraries/model/src/model/Geometry.h @@ -23,6 +23,7 @@ typedef gpu::BufferView::Index Index; typedef gpu::BufferView BufferView; typedef AABox Box; typedef std::vector< Box > Boxes; +typedef glm::vec3 Vec3; class Mesh { public: @@ -35,7 +36,7 @@ public: typedef gpu::Stream::Format VertexFormat; typedef std::map< Slot, BufferView > BufferViewMap; - typedef glm::vec3 Vec3; + typedef model::Vec3 Vec3; Mesh(); Mesh(const Mesh& mesh); diff --git a/libraries/model/src/model/Light.cpp b/libraries/model/src/model/Light.cpp new file mode 100755 index 0000000000..9616ed2106 --- /dev/null +++ b/libraries/model/src/model/Light.cpp @@ -0,0 +1,97 @@ +// +// Light.cpp +// libraries/model/src/model +// +// Created by Sam Gateau on 1/26/2014. +// Copyright 2014 High Fidelity, Inc. +// +// Distributed under the Apache License, Version 2.0. +// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html +// +#include "Light.h" + +using namespace model; + +Light::Light() : + _flags(0), + _schemaBuffer(), + _transform() { + // only if created from nothing shall we create the Buffer to store the properties + Schema schema; + _schemaBuffer = gpu::BufferView(new gpu::Buffer(sizeof(Schema), (const gpu::Buffer::Byte*) &schema)); +} + +Light::Light(const Light& light) : + _flags(light._flags), + _schemaBuffer(light._schemaBuffer), + _transform(light._transform) { +} + +Light& Light::operator= (const Light& light) { + _flags = (light._flags); + _schemaBuffer = (light._schemaBuffer); + _transform = (light._transform); + + return (*this); +} + +Light::~Light() { +} + +void Light::setPosition(const Vec3& position) { + _transform.setTranslation(position); + editSchema()._position = Vec4(position, 1.f); +} + +void Light::setOrientation(const glm::quat& orientation) { + _transform.setRotation(orientation); +} + +void Light::setDirection(const Vec3& direction) { + editSchema()._direction = glm::normalize(direction); +} + +const Vec3& Light::getDirection() const { + return getSchema()._direction; +} + +void Light::setColor(const Color& color) { + editSchema()._color = color; +} + +void Light::setIntensity(float intensity) { + editSchema()._intensity = intensity; +} + +void Light::setMaximumRadius(float radius) { + if (radius <= 0.f) { + radius = 1.0f; + } + float CutOffIntensityRatio = 0.05f; + float surfaceRadius = radius / (sqrt(1.0f / CutOffIntensityRatio) - 1.f); + editSchema()._attenuation = Vec4(surfaceRadius, 1.0f/surfaceRadius, CutOffIntensityRatio, radius); +} + +void Light::setSpotAngle(float angle) { + if (angle <= 0.f) { + angle = 0.0f; + } + float cosAngle = cos(angle); + editSchema()._spot.x = cos(angle); + editSchema()._spot.y = sin(angle); + editSchema()._spot.z = angle; +} + +void Light::setSpotExponent(float exponent) { + if (exponent <= 0.f) { + exponent = 1.0f; + } + editSchema()._spot.w = exponent; +} + +void Light::setShowContour(float show) { + if (show <= 0.f) { + show = 0.0f; + } + editSchema()._control.w = show; +} diff --git a/libraries/model/src/model/Light.h b/libraries/model/src/model/Light.h new file mode 100755 index 0000000000..2ef2bf3036 --- /dev/null +++ b/libraries/model/src/model/Light.h @@ -0,0 +1,294 @@ +// +// Light.h +// libraries/model/src/model +// +// Created by Sam Gateau on 12/10/2014. +// Copyright 2014 High Fidelity, Inc. +// +// Distributed under the Apache License, Version 2.0. +// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html +// +#ifndef hifi_model_Light_h +#define hifi_model_Light_h + +#include +#include + +#include +#include "Transform.h" +#include "gpu/Resource.h" +#include "gpu/Texture.h" + +namespace model { +typedef gpu::BufferView UniformBufferView; +typedef gpu::TextureView TextureView; +typedef glm::vec3 Vec3; +typedef glm::vec4 Vec4; +typedef glm::quat Quat; + +class SphericalHarmonics { +public: + glm::vec3 L00 ; float spare0; + glm::vec3 L1m1 ; float spare1; + glm::vec3 L10 ; float spare2; + glm::vec3 L11 ; float spare3; + glm::vec3 L2m2 ; float spare4; + glm::vec3 L2m1 ; float spare5; + glm::vec3 L20 ; float spare6; + glm::vec3 L21 ; float spare7; + glm::vec3 L22 ; float spare8; + + static const int NUM_COEFFICIENTS = 9; + + enum Preset { + OLD_TOWN_SQUARE = 0, + GRACE_CATHEDRAL, + EUCALYPTUS_GROVE, + ST_PETERS_BASILICA, + UFFIZI_GALLERY, + GALILEOS_TOMB, + VINE_STREET_KITCHEN, + BREEZEWAY, + CAMPUS_SUNSET, + FUNSTON_BEACH_SUNSET, + + NUM_PRESET, + }; + + void assignPreset(int p) { + switch (p) { + case OLD_TOWN_SQUARE: { + L00 = glm::vec3( 0.871297f, 0.875222f, 0.864470f); + L1m1 = glm::vec3( 0.175058f, 0.245335f, 0.312891f); + L10 = glm::vec3( 0.034675f, 0.036107f, 0.037362f); + L11 = glm::vec3(-0.004629f,-0.029448f,-0.048028f); + L2m2 = glm::vec3(-0.120535f,-0.121160f,-0.117507f); + L2m1 = glm::vec3( 0.003242f, 0.003624f, 0.007511f); + L20 = glm::vec3(-0.028667f,-0.024926f,-0.020998f); + L21 = glm::vec3(-0.077539f,-0.086325f,-0.091591f); + L22 = glm::vec3(-0.161784f,-0.191783f,-0.219152f); + } + break; + case GRACE_CATHEDRAL: { + L00 = glm::vec3( 0.79f, 0.44f, 0.54f); + L1m1 = glm::vec3( 0.39f, 0.35f, 0.60f); + L10 = glm::vec3(-0.34f, -0.18f, -0.27f); + L11 = glm::vec3(-0.29f, -0.06f, 0.01f); + L2m2 = glm::vec3(-0.11f, -0.05f, -0.12f); + L2m1 = glm::vec3(-0.26f, -0.22f, -0.47f); + L20 = glm::vec3(-0.16f, -0.09f, -0.15f); + L21 = glm::vec3( 0.56f, 0.21f, 0.14f); + L22 = glm::vec3( 0.21f, -0.05f, -0.30f); + } + break; + case EUCALYPTUS_GROVE: { + L00 = glm::vec3( 0.38f, 0.43f, 0.45f); + L1m1 = glm::vec3( 0.29f, 0.36f, 0.41f); + L10 = glm::vec3( 0.04f, 0.03f, 0.01f); + L11 = glm::vec3(-0.10f, -0.10f, -0.09f); + L2m2 = glm::vec3(-0.06f, -0.06f, -0.04f); + L2m1 = glm::vec3( 0.01f, -0.01f, -0.05f); + L20 = glm::vec3(-0.09f, -0.13f, -0.15f); + L21 = glm::vec3(-0.06f, -0.05f, -0.04f); + L22 = glm::vec3( 0.02f, 0.00f, -0.05f); + } + break; + case ST_PETERS_BASILICA: { + L00 = glm::vec3( 0.36f, 0.26f, 0.23f); + L1m1 = glm::vec3( 0.18f, 0.14f, 0.13f); + L10 = glm::vec3(-0.02f, -0.01f, 0.00f); + L11 = glm::vec3( 0.03f, 0.02f, -0.00f); + L2m2 = glm::vec3( 0.02f, 0.01f, -0.00f); + L2m1 = glm::vec3(-0.05f, -0.03f, -0.01f); + L20 = glm::vec3(-0.09f, -0.08f, -0.07f); + L21 = glm::vec3( 0.01f, 0.00f, 0.00f); + L22 = glm::vec3(-0.08f, -0.03f, -0.00f); + } + break; + case UFFIZI_GALLERY: { + L00 = glm::vec3( 0.32f, 0.31f, 0.35f); + L1m1 = glm::vec3( 0.37f, 0.37f, 0.43f); + L10 = glm::vec3( 0.00f, 0.00f, 0.00f); + L11 = glm::vec3(-0.01f, -0.01f, -0.01f); + L2m2 = glm::vec3(-0.02f, -0.02f, -0.03f); + L2m1 = glm::vec3(-0.01f, -0.01f, -0.01f); + L20 = glm::vec3(-0.28f, -0.28f, -0.32f); + L21 = glm::vec3( 0.00f, 0.00f, 0.00f); + L22 = glm::vec3(-0.24f, -0.24f, -0.28f); + } + break; + case GALILEOS_TOMB: { + L00 = glm::vec3( 1.04f, 0.76f, 0.71f); + L1m1 = glm::vec3( 0.44f, 0.34f, 0.34f); + L10 = glm::vec3(-0.22f, -0.18f, -0.17f); + L11 = glm::vec3( 0.71f, 0.54f, 0.56f); + L2m2 = glm::vec3( 0.64f, 0.50f, 0.52f); + L2m1 = glm::vec3(-0.12f, -0.09f, -0.08f); + L20 = glm::vec3(-0.37f, -0.28f, -0.32f); + L21 = glm::vec3(-0.17f, -0.13f, -0.13f); + L22 = glm::vec3( 0.55f, 0.42f, 0.42f); + } + break; + case VINE_STREET_KITCHEN: { + L00 = glm::vec3( 0.64f, 0.67f, 0.73f); + L1m1 = glm::vec3( 0.28f, 0.32f, 0.33f); + L10 = glm::vec3( 0.42f, 0.60f, 0.77f); + L11 = glm::vec3(-0.05f, -0.04f, -0.02f); + L2m2 = glm::vec3(-0.10f, -0.08f, -0.05f); + L2m1 = glm::vec3( 0.25f, 0.39f, 0.53f); + L20 = glm::vec3( 0.38f, 0.54f, 0.71f); + L21 = glm::vec3( 0.06f, 0.01f, -0.02f); + L22 = glm::vec3(-0.03f, -0.02f, -0.03f); + } + break; + case BREEZEWAY: { + L00 = glm::vec3( 0.32f, 0.36f, 0.38f); + L1m1 = glm::vec3( 0.37f, 0.41f, 0.45f); + L10 = glm::vec3(-0.01f, -0.01f, -0.01f); + L11 = glm::vec3(-0.10f, -0.12f, -0.12f); + L2m2 = glm::vec3(-0.13f, -0.15f, -0.17f); + L2m1 = glm::vec3(-0.01f, -0.02f, 0.02f); + L20 = glm::vec3(-0.07f, -0.08f, -0.09f); + L21 = glm::vec3( 0.02f, 0.03f, 0.03f); + L22 = glm::vec3(-0.29f, -0.32f, -0.36f); + } + break; + case CAMPUS_SUNSET: { + L00 = glm::vec3( 0.79f, 0.94f, 0.98f); + L1m1 = glm::vec3( 0.44f, 0.56f, 0.70f); + L10 = glm::vec3(-0.10f, -0.18f, -0.27f); + L11 = glm::vec3( 0.45f, 0.38f, 0.20f); + L2m2 = glm::vec3( 0.18f, 0.14f, 0.05f); + L2m1 = glm::vec3(-0.14f, -0.22f, -0.31f); + L20 = glm::vec3(-0.39f, -0.40f, -0.36f); + L21 = glm::vec3( 0.09f, 0.07f, 0.04f); + L22 = glm::vec3( 0.67f, 0.67f, 0.52f); + } + break; + case FUNSTON_BEACH_SUNSET: { + L00 = glm::vec3( 0.68f, 0.69f, 0.70f); + L1m1 = glm::vec3( 0.32f, 0.37f, 0.44f); + L10 = glm::vec3(-0.17f, -0.17f, -0.17f); + L11 = glm::vec3(-0.45f, -0.42f, -0.34f); + L2m2 = glm::vec3(-0.17f, -0.17f, -0.15f); + L2m1 = glm::vec3(-0.08f, -0.09f, -0.10f); + L20 = glm::vec3(-0.03f, -0.02f, -0.01f); + L21 = glm::vec3( 0.16f, 0.14f, 0.10f); + L22 = glm::vec3( 0.37f, 0.31f, 0.20f); + } + break; + } + } +}; + +class Light { +public: + enum Type { + SUN = 0, + POINT, + SPOT, + + NUM_TYPES, + }; + + typedef Vec3 Color; + + enum FlagBit { + COLOR_BIT = 0, + INTENSITY_BIT, + RANGE_BIT, + SPOT_BIT, + TRANSFORM_BIT, + + NUM_FLAGS, + }; + typedef std::bitset Flags; + + Light(); + Light(const Light& light); + Light& operator= (const Light& light); + virtual ~Light(); + + void setType(Type type) { editSchema()._control.x = float(type); } + Type getType() const { return Type((int) getSchema()._control.x); } + + void setPosition(const Vec3& position); + const Vec3& getPosition() const { return _transform.getTranslation(); } + + void setDirection(const Vec3& direction); + const Vec3& getDirection() const; + + void setOrientation(const Quat& orientation); + const glm::quat& getOrientation() const { return _transform.getRotation(); } + + const Color& getColor() const { return getSchema()._color; } + void setColor(const Color& color); + + float getIntensity() const { return getSchema()._intensity; } + void setIntensity(float intensity); + + bool isRanged() const { return (getType() == POINT) || (getType() == SPOT ); } + + void setMaximumRadius(float radius); + float getMaximumRadius() const { return getSchema()._attenuation.w; } + + // Spot properties + bool isSpot() const { return getType() == SPOT; } + void setSpotAngle(float angle); + float getSpotAngle() const { return getSchema()._spot.z; } + void setSpotExponent(float exponent); + float getSpotExponent() const { return getSchema()._spot.w; } + + // For editing purpose, show the light volume contour. + // Set to non 0 to show it, the value is used as the intensity of the contour color + void setShowContour(float show); + float getShowContour() const { return getSchema()._control.w; } + + // Spherical Harmonics storing the Ambien lighting approximation used for the Sun typed light + void setAmbientSphere(const SphericalHarmonics& sphere) { _ambientSphere = sphere; } + const SphericalHarmonics& getAmbientSphere() const { return _ambientSphere; } + void setAmbientSpherePreset(SphericalHarmonics::Preset preset) { _ambientSphere.assignPreset(preset); } + + // Schema to access the attribute values of the light + class Schema { + public: + Vec4 _position; + Vec3 _direction; + float _spare0; + Color _color; + float _intensity; + Vec4 _attenuation; + Vec4 _spot; + Vec4 _shadow; + + Vec4 _control; + + Schema() : + _position(0.0f, 0.0f, 0.0f, 1.0f), + _direction(0.0f, 0.0f, -1.0f), + _spare0(0.f), + _color(1.0f), + _intensity(1.0f), + _attenuation(1.0f, 1.0f, 1.0f, 1.0f), + _spot(0.0f, 0.0f, 0.0f, 3.0f), + _control(0.0f) + {} + }; + + const UniformBufferView& getSchemaBuffer() const { return _schemaBuffer; } + +protected: + + Flags _flags; + UniformBufferView _schemaBuffer; + Transform _transform; + SphericalHarmonics _ambientSphere; + + const Schema& getSchema() const { return _schemaBuffer.get(); } + Schema& editSchema() { return _schemaBuffer.edit(); } +}; +typedef QSharedPointer< Light > LightPointer; + +}; + +#endif diff --git a/libraries/model/src/model/Material.h b/libraries/model/src/model/Material.h index efd2f35968..57e0f68a9c 100755 --- a/libraries/model/src/model/Material.h +++ b/libraries/model/src/model/Material.h @@ -100,7 +100,6 @@ public: void setTextureView(MapChannel channel, const TextureView& texture); const TextureMap& getTextureMap() const { return _textureMap; } - const Schema* getSchema() const { return &_schemaBuffer.get(); } protected: Flags _flags; diff --git a/libraries/render-utils/src/DeferredGlobalLight.slh b/libraries/render-utils/src/DeferredGlobalLight.slh new file mode 100755 index 0000000000..6868b96c24 --- /dev/null +++ b/libraries/render-utils/src/DeferredGlobalLight.slh @@ -0,0 +1,117 @@ + +<@if not DEFERRED_GLOBAL_LIGHT_SLH@> +<@def DEFERRED_GLOBAL_LIGHT_SLH@> + +<@include DeferredLighting.slh@> + +struct SphericalHarmonics { + vec4 L00; + vec4 L1m1; + vec4 L10; + vec4 L11; + vec4 L2m2; + vec4 L2m1; + vec4 L20; + vec4 L21; + vec4 L22; +}; + +vec4 evalSphericalLight(SphericalHarmonics sh, vec3 direction ) { + + const float C1 = 0.429043; + const float C2 = 0.511664; + const float C3 = 0.743125; + const float C4 = 0.886227; + const float C5 = 0.247708; + + vec4 value = C1 * sh.L22 * (direction.x * direction.x - direction.y * direction.y) + + C3 * sh.L20 * direction.z * direction.z + + C4 * sh.L00 - C5 * sh.L20 + + 2.0 * C1 * ( sh.L2m2 * direction.x * direction.y + + sh.L21 * direction.x * direction.z + + sh.L2m1 * direction.y * direction.z ) + + 2.0 * C2 * ( sh.L11 * direction.x + + sh.L1m1 * direction.y + + sh.L10 * direction.z ) ; + return value; +} + +// Need one SH +uniform SphericalHarmonics ambientSphere; + +// Everything about light +<@include Light.slh@> + +// The view Matrix +uniform mat4 invViewMat; + +vec3 evalAmbienGlobalColor(float shadowAttenuation, vec3 position, vec3 normal, vec3 diffuse, vec3 specular, float gloss) { + + // Need the light now + Light light = getLight(); + + vec3 fragNormal = vec3(invViewMat * vec4(normal, 0.0)); + vec4 fragEyeVector = invViewMat * vec4(-position, 0.0); + vec3 fragEyeDir = normalize(fragEyeVector.xyz); + + vec3 color = diffuse.rgb * getLightColor(light) * 0.5; + + vec4 shading = evalFragShading(fragNormal, -getLightDirection(light), fragEyeDir, specular, gloss); + + color += vec3(diffuse + shading.rgb) * shading.w * shadowAttenuation * getLightColor(light) * getLightIntensity(light); + + return color; +} +vec3 evalAmbienSphereGlobalColor(float shadowAttenuation, vec3 position, vec3 normal, vec3 diffuse, vec3 specular, float gloss) { + // Need the light now + Light light = getLight(); + + vec3 fragNormal = vec3(invViewMat * vec4(normal, 0.0)); + vec4 fragEyeVector = invViewMat * vec4(-position, 0.0); + vec3 fragEyeDir = normalize(fragEyeVector.xyz); + + // TODO: The world space normal doesn;t seem to work properly with the current SH definitions + // FoOr now, we use the normal in view space + vec3 ambientNormal = normal; + + vec3 color = diffuse.rgb * 0.5 * evalSphericalLight(ambientSphere, ambientNormal).xyz; + + vec4 shading = evalFragShading(fragNormal, -getLightDirection(light), fragEyeDir, specular, gloss); + + color += vec3(diffuse + shading.rgb) * shading.w * shadowAttenuation * getLightColor(light) * getLightIntensity(light); + + return color; +} + +vec3 evalLightmappedColor(float shadowAttenuation, vec3 normal, vec3 diffuse, vec3 lightmap) { + + Light light = getLight(); + float diffuseDot = dot(normal, getLightDirection(light)); + + // need to catch normals perpendicular to the projection plane hence the magic number for the threshold + // it should be just 0, but we have innacurracy so we need to overshoot + const float PERPENDICULAR_THRESHOLD = -0.005; + float facingLight = step(PERPENDICULAR_THRESHOLD, diffuseDot); + + // evaluate the shadow test but only relevant for light facing fragments + float lightAttenuation = (1 - facingLight) + facingLight * shadowAttenuation; + + // diffuse light is the lightmap dimmed by shadow + vec3 diffuseLight = lightAttenuation * lightmap; + + // ambient is a tiny percentage of the lightmap and only when in the shadow + vec3 ambientLight = (1 - lightAttenuation) * 0.5 * lightmap; + + return diffuse * (ambientLight + diffuseLight); +} + +<@endif@> diff --git a/libraries/render-utils/src/DeferredLighting.slh b/libraries/render-utils/src/DeferredLighting.slh index cd65fd1053..bb37a9e3e8 100755 --- a/libraries/render-utils/src/DeferredLighting.slh +++ b/libraries/render-utils/src/DeferredLighting.slh @@ -11,86 +11,51 @@ <@if not DEFERRED_LIGHTING_SLH@> <@def DEFERRED_LIGHTING_SLH@> -struct SphericalHarmonics { - vec4 L00; - vec4 L1m1; - vec4 L10; - vec4 L11; - vec4 L2m2; - vec4 L2m1; - vec4 L20; - vec4 L21; - vec4 L22; -}; - -vec4 evalSphericalLight(SphericalHarmonics sh, vec3 direction ) { - - const float C1 = 0.429043; - const float C2 = 0.511664; - const float C3 = 0.743125; - const float C4 = 0.886227; - const float C5 = 0.247708; - - vec4 value = C1 * sh.L22 * (direction.x * direction.x - direction.y * direction.y) + - C3 * sh.L20 * direction.z * direction.z + - C4 * sh.L00 - C5 * sh.L20 + - 2.0 * C1 * ( sh.L2m2 * direction.x * direction.y + - sh.L21 * direction.x * direction.z + - sh.L2m1 * direction.y * direction.z ) + - 2.0 * C2 * ( sh.L11 * direction.x + - sh.L1m1 * direction.y + - sh.L10 * direction.z ) ; - return value; -} - -uniform SphericalHarmonics ambientSphere; - -vec3 evalAmbientColor(vec3 normal, vec3 diffuse, vec3 specular, float gloss) { - return diffuse.rgb * gl_FrontLightProduct[0].ambient.rgb; -} - -vec3 evalAmbientSphereColor(vec3 normal, vec3 diffuse, vec3 specular, float gloss) { - vec3 ambientLight = 0.5 * evalSphericalLight(ambientSphere, normal).xyz; - - return diffuse.rgb * ambientLight; -} - -vec3 evalDirectionalColor(float shadowAttenuation, vec3 position, vec3 normal, vec3 diffuse, vec3 specular, float gloss) { +// Frag Shading returns the diffuse amount as W and the specular rgb as xyz +vec4 evalPBRShading(vec3 fragNormal, vec3 fragLightDir, vec3 fragEyeDir, vec3 specular, float gloss) { // Diffuse Lighting - float diffuseDot = dot(normal, gl_LightSource[0].position.xyz); - float facingLight = step(0.0, diffuseDot) * shadowAttenuation; - vec3 diffuseColor = diffuse * (gl_FrontLightProduct[0].diffuse.rgb * (diffuseDot * facingLight)); - - // compute the specular multiplier (sans exponent) - float specularPower = facingLight * max(0.0, - dot(normalize(gl_LightSource[0].position.xyz - normalize(position)), normal)); - vec3 specularColor = pow(specularPower, gloss * 128.0) * specular; + float diffuseDot = dot(fragNormal, fragLightDir); + float facingLight = step(0.0, diffuseDot); + float diffuse = diffuseDot * facingLight; + + // Specular Lighting depends on the half vector and the gloss + vec3 halfDir = normalize(fragEyeDir + fragLightDir); - // add specular contribution - return vec3(diffuseColor + specularColor); + // float specularPower = pow(facingLight * max(0.0, dot(halfDir, fragNormal)), gloss * 128.0); + float specularPower = pow(max(0.0, dot(halfDir, fragNormal)), gloss * 128.0); + specularPower *= (gloss * 128.0 * 0.125 + 0.25); + + float shlickPower = (1.0 - dot(fragLightDir,halfDir)); + float shlickPower2 = shlickPower * shlickPower; + float shlickPower5 = shlickPower2 * shlickPower2 * shlickPower; + vec3 schlick = specular * (1.0 - shlickPower5) + vec3(shlickPower5); + vec3 reflect = specularPower * schlick; + + return vec4(reflect, diffuse); } +vec4 evalBlinnShading(vec3 fragNormal, vec3 fragLightDir, vec3 fragEyeDir, vec3 specular, float gloss) { + // Diffuse Lighting + float diffuseDot = dot(fragNormal, fragLightDir); + float facingLight = step(0.0, diffuseDot); + float diffuse = diffuseDot * facingLight; + + // Specular Lighting depends on the half vector and the gloss + vec3 halfDir = normalize(fragEyeDir + fragLightDir); -vec3 evalLightmappedColor(float shadowAttenuation, vec3 normal, vec3 diffuse, vec3 lightmap) { - - float diffuseDot = dot(normal, gl_LightSource[0].position.xyz); - - // need to catch normals perpendicular to the projection plane hence the magic number for the threshold - // it should be just 0, but we have innacurracy so we need to overshoot - const float PERPENDICULAR_THRESHOLD = -0.005; - float facingLight = step(PERPENDICULAR_THRESHOLD, diffuseDot); - - // evaluate the shadow test but only relevant for light facing fragments - float lightAttenuation = (1 - facingLight) + facingLight * shadowAttenuation; - - // diffuse light is the lightmap dimmed by shadow - vec3 diffuseLight = lightAttenuation * lightmap; + float specularPower = pow(facingLight * max(0.0, dot(halfDir, fragNormal)), gloss * 128.0); + vec3 reflect = specularPower * specular; - // ambient is a tiny percentage of the lightmap and only when in the shadow - vec3 ambientLight = (1 - lightAttenuation) * 0.5 * lightmap; - - return diffuse * (ambientLight + diffuseLight); + return vec4(reflect, diffuse); } +vec4 evalFragShading(vec3 fragNormal, vec3 fragLightDir, vec3 fragEyeDir, vec3 specular, float gloss) { + + /*if (gl_FragCoord.x > 1000) { + return evalBlinnShading(fragNormal, fragLightDir, fragEyeDir, specular, gloss); + } else {*/ + return evalPBRShading(fragNormal, fragLightDir, fragEyeDir, specular, gloss); + //} +} <@endif@> diff --git a/libraries/render-utils/src/DeferredLightingEffect.cpp b/libraries/render-utils/src/DeferredLightingEffect.cpp index b84b01b16a..1f5d0ce4c3 100644 --- a/libraries/render-utils/src/DeferredLightingEffect.cpp +++ b/libraries/render-utils/src/DeferredLightingEffect.cpp @@ -25,6 +25,9 @@ #include "RenderUtil.h" #include "TextureCache.h" +#include "gpu/Batch.h" +#include "gpu/GLBackend.h" + #include "simple_vert.h" #include "simple_frag.h" @@ -42,146 +45,6 @@ #include "point_light_frag.h" #include "spot_light_frag.h" -class SphericalHarmonics { -public: - glm::vec3 L00 ; float spare0; - glm::vec3 L1m1 ; float spare1; - glm::vec3 L10 ; float spare2; - glm::vec3 L11 ; float spare3; - glm::vec3 L2m2 ; float spare4; - glm::vec3 L2m1 ; float spare5; - glm::vec3 L20 ; float spare6; - glm::vec3 L21 ; float spare7; - glm::vec3 L22 ; float spare8; - - static const int NUM_COEFFICIENTS = 9; - - void assignPreset(int p) { - switch (p) { - case DeferredLightingEffect::OLD_TOWN_SQUARE: { - L00 = glm::vec3( 0.871297f, 0.875222f, 0.864470f); - L1m1 = glm::vec3( 0.175058f, 0.245335f, 0.312891f); - L10 = glm::vec3( 0.034675f, 0.036107f, 0.037362f); - L11 = glm::vec3(-0.004629f,-0.029448f,-0.048028f); - L2m2 = glm::vec3(-0.120535f,-0.121160f,-0.117507f); - L2m1 = glm::vec3( 0.003242f, 0.003624f, 0.007511f); - L20 = glm::vec3(-0.028667f,-0.024926f,-0.020998f); - L21 = glm::vec3(-0.077539f,-0.086325f,-0.091591f); - L22 = glm::vec3(-0.161784f,-0.191783f,-0.219152f); - } - break; - case DeferredLightingEffect::GRACE_CATHEDRAL: { - L00 = glm::vec3( 0.79f, 0.44f, 0.54f); - L1m1 = glm::vec3( 0.39f, 0.35f, 0.60f); - L10 = glm::vec3(-0.34f, -0.18f, -0.27f); - L11 = glm::vec3(-0.29f, -0.06f, 0.01f); - L2m2 = glm::vec3(-0.11f, -0.05f, -0.12f); - L2m1 = glm::vec3(-0.26f, -0.22f, -0.47f); - L20 = glm::vec3(-0.16f, -0.09f, -0.15f); - L21 = glm::vec3( 0.56f, 0.21f, 0.14f); - L22 = glm::vec3( 0.21f, -0.05f, -0.30f); - } - break; - case DeferredLightingEffect::EUCALYPTUS_GROVE: { - L00 = glm::vec3( 0.38f, 0.43f, 0.45f); - L1m1 = glm::vec3( 0.29f, 0.36f, 0.41f); - L10 = glm::vec3( 0.04f, 0.03f, 0.01f); - L11 = glm::vec3(-0.10f, -0.10f, -0.09f); - L2m2 = glm::vec3(-0.06f, -0.06f, -0.04f); - L2m1 = glm::vec3( 0.01f, -0.01f, -0.05f); - L20 = glm::vec3(-0.09f, -0.13f, -0.15f); - L21 = glm::vec3(-0.06f, -0.05f, -0.04f); - L22 = glm::vec3( 0.02f, 0.00f, -0.05f); - } - break; - case DeferredLightingEffect::ST_PETERS_BASILICA: { - L00 = glm::vec3( 0.36f, 0.26f, 0.23f); - L1m1 = glm::vec3( 0.18f, 0.14f, 0.13f); - L10 = glm::vec3(-0.02f, -0.01f, 0.00f); - L11 = glm::vec3( 0.03f, 0.02f, -0.00f); - L2m2 = glm::vec3( 0.02f, 0.01f, -0.00f); - L2m1 = glm::vec3(-0.05f, -0.03f, -0.01f); - L20 = glm::vec3(-0.09f, -0.08f, -0.07f); - L21 = glm::vec3( 0.01f, 0.00f, 0.00f); - L22 = glm::vec3(-0.08f, -0.03f, -0.00f); - } - break; - case DeferredLightingEffect::UFFIZI_GALLERY: { - L00 = glm::vec3( 0.32f, 0.31f, 0.35f); - L1m1 = glm::vec3( 0.37f, 0.37f, 0.43f); - L10 = glm::vec3( 0.00f, 0.00f, 0.00f); - L11 = glm::vec3(-0.01f, -0.01f, -0.01f); - L2m2 = glm::vec3(-0.02f, -0.02f, -0.03f); - L2m1 = glm::vec3(-0.01f, -0.01f, -0.01f); - L20 = glm::vec3(-0.28f, -0.28f, -0.32f); - L21 = glm::vec3( 0.00f, 0.00f, 0.00f); - L22 = glm::vec3(-0.24f, -0.24f, -0.28f); - } - break; - case DeferredLightingEffect::GALILEOS_TOMB: { - L00 = glm::vec3( 1.04f, 0.76f, 0.71f); - L1m1 = glm::vec3( 0.44f, 0.34f, 0.34f); - L10 = glm::vec3(-0.22f, -0.18f, -0.17f); - L11 = glm::vec3( 0.71f, 0.54f, 0.56f); - L2m2 = glm::vec3( 0.64f, 0.50f, 0.52f); - L2m1 = glm::vec3(-0.12f, -0.09f, -0.08f); - L20 = glm::vec3(-0.37f, -0.28f, -0.32f); - L21 = glm::vec3(-0.17f, -0.13f, -0.13f); - L22 = glm::vec3( 0.55f, 0.42f, 0.42f); - } - break; - case DeferredLightingEffect::VINE_STREET_KITCHEN: { - L00 = glm::vec3( 0.64f, 0.67f, 0.73f); - L1m1 = glm::vec3( 0.28f, 0.32f, 0.33f); - L10 = glm::vec3( 0.42f, 0.60f, 0.77f); - L11 = glm::vec3(-0.05f, -0.04f, -0.02f); - L2m2 = glm::vec3(-0.10f, -0.08f, -0.05f); - L2m1 = glm::vec3( 0.25f, 0.39f, 0.53f); - L20 = glm::vec3( 0.38f, 0.54f, 0.71f); - L21 = glm::vec3( 0.06f, 0.01f, -0.02f); - L22 = glm::vec3(-0.03f, -0.02f, -0.03f); - } - break; - case DeferredLightingEffect::BREEZEWAY: { - L00 = glm::vec3( 0.32f, 0.36f, 0.38f); - L1m1 = glm::vec3( 0.37f, 0.41f, 0.45f); - L10 = glm::vec3(-0.01f, -0.01f, -0.01f); - L11 = glm::vec3(-0.10f, -0.12f, -0.12f); - L2m2 = glm::vec3(-0.13f, -0.15f, -0.17f); - L2m1 = glm::vec3(-0.01f, -0.02f, 0.02f); - L20 = glm::vec3(-0.07f, -0.08f, -0.09f); - L21 = glm::vec3( 0.02f, 0.03f, 0.03f); - L22 = glm::vec3(-0.29f, -0.32f, -0.36f); - } - break; - case DeferredLightingEffect::CAMPUS_SUNSET: { - L00 = glm::vec3( 0.79f, 0.94f, 0.98f); - L1m1 = glm::vec3( 0.44f, 0.56f, 0.70f); - L10 = glm::vec3(-0.10f, -0.18f, -0.27f); - L11 = glm::vec3( 0.45f, 0.38f, 0.20f); - L2m2 = glm::vec3( 0.18f, 0.14f, 0.05f); - L2m1 = glm::vec3(-0.14f, -0.22f, -0.31f); - L20 = glm::vec3(-0.39f, -0.40f, -0.36f); - L21 = glm::vec3( 0.09f, 0.07f, 0.04f); - L22 = glm::vec3( 0.67f, 0.67f, 0.52f); - } - break; - case DeferredLightingEffect::FUNSTON_BEACH_SUNSET: { - L00 = glm::vec3( 0.68f, 0.69f, 0.70f); - L1m1 = glm::vec3( 0.32f, 0.37f, 0.44f); - L10 = glm::vec3(-0.17f, -0.17f, -0.17f); - L11 = glm::vec3(-0.45f, -0.42f, -0.34f); - L2m2 = glm::vec3(-0.17f, -0.17f, -0.15f); - L2m1 = glm::vec3(-0.08f, -0.09f, -0.10f); - L20 = glm::vec3(-0.03f, -0.02f, -0.01f); - L21 = glm::vec3( 0.16f, 0.14f, 0.10f); - L22 = glm::vec3( 0.37f, 0.31f, 0.20f); - } - break; - } - } -}; - void DeferredLightingEffect::init(AbstractViewStateInterface* viewState) { _viewState = viewState; _simpleProgram.addShaderFromSourceCode(QGLShader::Vertex, simple_vert); @@ -206,6 +69,18 @@ void DeferredLightingEffect::init(AbstractViewStateInterface* viewState) { loadLightProgram(point_light_frag, true, _pointLight, _pointLightLocations); loadLightProgram(spot_light_frag, true, _spotLight, _spotLightLocations); + + // Allocate a global light representing the Global Directional light casting shadow (the sun) and the ambient light + _globalLights.push_back(0); + _allocatedLights.push_back(model::LightPointer(new model::Light())); + + model::LightPointer lp = _allocatedLights[0]; + + lp->setDirection(-glm::vec3(1.0f, 1.0f, 1.0f)); + lp->setColor(glm::vec3(1.0f)); + lp->setIntensity(1.0f); + lp->setType(model::Light::SUN); + lp->setAmbientSpherePreset(model::SphericalHarmonics::Preset(_ambientLightMode % model::SphericalHarmonics::NUM_PRESET)); } void DeferredLightingEffect::bindSimpleProgram() { @@ -260,30 +135,29 @@ void DeferredLightingEffect::addPointLight(const glm::vec3& position, float radi void DeferredLightingEffect::addSpotLight(const glm::vec3& position, float radius, const glm::vec3& ambient, const glm::vec3& diffuse, const glm::vec3& specular, float constantAttenuation, float linearAttenuation, float quadraticAttenuation, const glm::vec3& direction, float exponent, float cutoff) { + + int lightID = _pointLights.size() + _spotLights.size() + _globalLights.size(); + if (lightID >= _allocatedLights.size()) { + _allocatedLights.push_back(model::LightPointer(new model::Light())); + } + model::LightPointer lp = _allocatedLights[lightID]; + + lp->setPosition(position); + lp->setMaximumRadius(radius); + lp->setColor(diffuse); + lp->setIntensity(1.0f); + //lp->setShowContour(quadraticAttenuation); + if (exponent == 0.0f && cutoff == PI) { - PointLight light; - light.position = glm::vec4(position, 1.0f); - light.radius = radius; - light.ambient = glm::vec4(ambient, 1.0f); - light.diffuse = glm::vec4(diffuse, 1.0f); - light.specular = glm::vec4(specular, 1.0f); - light.constantAttenuation = constantAttenuation; - light.linearAttenuation = linearAttenuation; - _pointLights.append(light); + lp->setType(model::Light::POINT); + _pointLights.push_back(lightID); } else { - SpotLight light; - light.position = glm::vec4(position, 1.0f); - light.radius = radius; - light.ambient = glm::vec4(ambient, 1.0f); - light.diffuse = glm::vec4(diffuse, 1.0f); - light.specular = glm::vec4(specular, 1.0f); - light.constantAttenuation = constantAttenuation; - light.linearAttenuation = linearAttenuation; - light.direction = direction; - light.exponent = exponent; - light.cutoff = cutoff; - _spotLights.append(light); + lp->setDirection(direction); + lp->setSpotAngle(cutoff); + lp->setSpotExponent(exponent); + lp->setType(model::Light::SPOT); + _spotLights.push_back(lightID); } } @@ -317,7 +191,7 @@ void DeferredLightingEffect::render() { QOpenGLFramebufferObject* freeFBO = DependencyManager::get()->getFreeFramebufferObject(); freeFBO->bind(); glClear(GL_COLOR_BUFFER_BIT); - glEnable(GL_FRAMEBUFFER_SRGB); + // glEnable(GL_FRAMEBUFFER_SRGB); glBindTexture(GL_TEXTURE_2D, primaryFBO->texture()); @@ -342,6 +216,10 @@ void DeferredLightingEffect::render() { float tMin = viewport[VIEWPORT_Y_INDEX] / (float)primaryFBO->height(); float tHeight = viewport[VIEWPORT_HEIGHT_INDEX] / (float)primaryFBO->height(); + // Fetch the ViewMatrix; + glm::mat4 invViewMat; + _viewState->getViewTransform().getMatrix(invViewMat); + ProgramObject* program = &_directionalLight; const LightLocations* locations = &_directionalLightLocations; bool shadowsEnabled = _viewState->getShadowsEnabled(); @@ -379,19 +257,24 @@ void DeferredLightingEffect::render() { program->bind(); } - if (locations->ambientSphere >= 0) { - SphericalHarmonics sh; - if (_ambientLightMode < NUM_PRESET) { - sh.assignPreset(_ambientLightMode); - } else { - sh.assignPreset(0); - } - - for (int i =0; i setUniformValue(locations->ambientSphere + i, *(((QVector4D*) &sh) + i)); - } - } + { + auto globalLight = _allocatedLights[_globalLights.front()]; + if (locations->ambientSphere >= 0) { + auto sh = globalLight->getAmbientSphere(); + for (int i =0; i setUniformValue(locations->ambientSphere + i, *(((QVector4D*) &sh) + i)); + } + } + + if (locations->lightBufferUnit >= 0) { + gpu::Batch batch; + batch.setUniformBuffer(locations->lightBufferUnit, globalLight->getSchemaBuffer()); + gpu::GLBackend::renderBatch(batch); + } + glUniformMatrix4fv(locations->invViewMat, 1, false, reinterpret_cast< const GLfloat* >(&invViewMat)); + } + float left, right, bottom, top, nearVal, farVal; glm::vec4 nearClipPlane, farClipPlane; _viewState->computeOffAxisFrustum(left, right, bottom, top, nearVal, farVal, nearClipPlane, farClipPlane); @@ -434,27 +317,27 @@ void DeferredLightingEffect::render() { auto geometryCache = DependencyManager::get(); - if (!_pointLights.isEmpty()) { + if (!_pointLights.empty()) { _pointLight.bind(); _pointLight.setUniformValue(_pointLightLocations.nearLocation, nearVal); _pointLight.setUniformValue(_pointLightLocations.depthScale, depthScale); _pointLight.setUniformValue(_pointLightLocations.depthTexCoordOffset, depthTexCoordOffsetS, depthTexCoordOffsetT); _pointLight.setUniformValue(_pointLightLocations.depthTexCoordScale, depthTexCoordScaleS, depthTexCoordScaleT); - foreach (const PointLight& light, _pointLights) { - _pointLight.setUniformValue(_pointLightLocations.radius, light.radius); - glLightfv(GL_LIGHT1, GL_AMBIENT, (const GLfloat*)&light.ambient); - glLightfv(GL_LIGHT1, GL_DIFFUSE, (const GLfloat*)&light.diffuse); - glLightfv(GL_LIGHT1, GL_SPECULAR, (const GLfloat*)&light.specular); - glLightfv(GL_LIGHT1, GL_POSITION, (const GLfloat*)&light.position); - glLightf(GL_LIGHT1, GL_CONSTANT_ATTENUATION, (light.constantAttenuation > 0.0f ? light.constantAttenuation : 0.0f)); - glLightf(GL_LIGHT1, GL_LINEAR_ATTENUATION, (light.linearAttenuation > 0.0f ? light.linearAttenuation : 0.0f)); - glLightf(GL_LIGHT1, GL_QUADRATIC_ATTENUATION, (light.quadraticAttenuation > 0.0f ? light.quadraticAttenuation : 0.0f)); - + for (auto lightID : _pointLights) { + auto light = _allocatedLights[lightID]; + + if (_pointLightLocations.lightBufferUnit >= 0) { + gpu::Batch batch; + batch.setUniformBuffer(_pointLightLocations.lightBufferUnit, light->getSchemaBuffer()); + gpu::GLBackend::renderBatch(batch); + } + glUniformMatrix4fv(_pointLightLocations.invViewMat, 1, false, reinterpret_cast< const GLfloat* >(&invViewMat)); + glPushMatrix(); - float expandedRadius = light.radius * (1.0f + SCALE_EXPANSION); - if (glm::distance(eyePoint, glm::vec3(light.position)) < expandedRadius + nearRadius) { + float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION); + if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < expandedRadius + nearRadius) { glLoadIdentity(); glTranslatef(0.0f, 0.0f, -1.0f); @@ -468,7 +351,7 @@ void DeferredLightingEffect::render() { glMatrixMode(GL_MODELVIEW); } else { - glTranslatef(light.position.x, light.position.y, light.position.z); + glTranslatef(light->getPosition().x, light->getPosition().y, light->getPosition().z); geometryCache->renderSphere(expandedRadius, 32, 32, glm::vec4(1.0f, 1.0f, 1.0f, 1.0f)); } @@ -479,31 +362,28 @@ void DeferredLightingEffect::render() { _pointLight.release(); } - if (!_spotLights.isEmpty()) { + if (!_spotLights.empty()) { _spotLight.bind(); _spotLight.setUniformValue(_spotLightLocations.nearLocation, nearVal); _spotLight.setUniformValue(_spotLightLocations.depthScale, depthScale); _spotLight.setUniformValue(_spotLightLocations.depthTexCoordOffset, depthTexCoordOffsetS, depthTexCoordOffsetT); _spotLight.setUniformValue(_spotLightLocations.depthTexCoordScale, depthTexCoordScaleS, depthTexCoordScaleT); - foreach (const SpotLight& light, _spotLights) { - _spotLight.setUniformValue(_spotLightLocations.radius, light.radius); - glLightfv(GL_LIGHT1, GL_AMBIENT, (const GLfloat*)&light.ambient); - glLightfv(GL_LIGHT1, GL_DIFFUSE, (const GLfloat*)&light.diffuse); - glLightfv(GL_LIGHT1, GL_SPECULAR, (const GLfloat*)&light.specular); - glLightfv(GL_LIGHT1, GL_POSITION, (const GLfloat*)&light.position); - glLightf(GL_LIGHT1, GL_CONSTANT_ATTENUATION, (light.constantAttenuation > 0.0f ? light.constantAttenuation : 0.0f)); - glLightf(GL_LIGHT1, GL_LINEAR_ATTENUATION, (light.linearAttenuation > 0.0f ? light.linearAttenuation : 0.0f)); - glLightf(GL_LIGHT1, GL_QUADRATIC_ATTENUATION, (light.quadraticAttenuation > 0.0f ? light.quadraticAttenuation : 0.0f)); - glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, (const GLfloat*)&light.direction); - glLightf(GL_LIGHT1, GL_SPOT_EXPONENT, light.exponent); - glLightf(GL_LIGHT1, GL_SPOT_CUTOFF, glm::degrees(light.cutoff)); - + for (auto lightID : _spotLights) { + auto light = _allocatedLights[lightID]; + + if (_spotLightLocations.lightBufferUnit >= 0) { + gpu::Batch batch; + batch.setUniformBuffer(_spotLightLocations.lightBufferUnit, light->getSchemaBuffer()); + gpu::GLBackend::renderBatch(batch); + } + glUniformMatrix4fv(_spotLightLocations.invViewMat, 1, false, reinterpret_cast< const GLfloat* >(&invViewMat)); + glPushMatrix(); - float expandedRadius = light.radius * (1.0f + SCALE_EXPANSION); - float edgeRadius = expandedRadius / glm::cos(light.cutoff); - if (glm::distance(eyePoint, glm::vec3(light.position)) < edgeRadius + nearRadius) { + float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION); + float edgeRadius = expandedRadius / glm::cos(light->getSpotAngle()); + if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < edgeRadius + nearRadius) { glLoadIdentity(); glTranslatef(0.0f, 0.0f, -1.0f); @@ -517,12 +397,12 @@ void DeferredLightingEffect::render() { glMatrixMode(GL_MODELVIEW); } else { - glTranslatef(light.position.x, light.position.y, light.position.z); - glm::quat spotRotation = rotationBetween(glm::vec3(0.0f, 0.0f, -1.0f), light.direction); + glTranslatef(light->getPosition().x, light->getPosition().y, light->getPosition().z); + glm::quat spotRotation = rotationBetween(glm::vec3(0.0f, 0.0f, -1.0f), light->getDirection()); glm::vec3 axis = glm::axis(spotRotation); glRotatef(glm::degrees(glm::angle(spotRotation)), axis.x, axis.y, axis.z); - glTranslatef(0.0f, 0.0f, -light.radius * (1.0f + SCALE_EXPANSION * 0.5f)); - geometryCache->renderCone(expandedRadius * glm::tan(light.cutoff), + glTranslatef(0.0f, 0.0f, -light->getMaximumRadius() * (1.0f + SCALE_EXPANSION * 0.5f)); + geometryCache->renderCone(expandedRadius * glm::tan(light->getSpotAngle()), expandedRadius, 32, 1); } @@ -545,7 +425,7 @@ void DeferredLightingEffect::render() { glBindTexture(GL_TEXTURE_2D, 0); freeFBO->release(); - glDisable(GL_FRAMEBUFFER_SRGB); + // glDisable(GL_FRAMEBUFFER_SRGB); glDisable(GL_CULL_FACE); @@ -607,11 +487,46 @@ void DeferredLightingEffect::loadLightProgram(const char* fragSource, bool limit 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 defined(Q_OS_MAC) + loc = program.uniformLocation("lightBuffer"); + if (loc >= 0) { + locations.lightBufferUnit = loc; + } else { + locations.lightBufferUnit = -1; + } +#elif defined(Q_OS_WIN) + loc = glGetUniformBlockIndex(program.programId(), "lightBuffer"); + if (loc >= 0) { + glUniformBlockBinding(program.programId(), loc, 0); + locations.lightBufferUnit = 0; + } else { + locations.lightBufferUnit = -1; + } +#else + loc = program.uniformLocation("lightBuffer"); + if (loc >= 0) { + locations.lightBufferUnit = loc; + } else { + locations.lightBufferUnit = -1; + } +#endif program.release(); } void DeferredLightingEffect::setAmbientLightMode(int preset) { - if ((preset >= -1) && (preset < NUM_PRESET)) { + if ((preset >= -1) && (preset < model::SphericalHarmonics::NUM_PRESET)) { _ambientLightMode = preset; + auto light = _allocatedLights.front(); + light->setAmbientSpherePreset(model::SphericalHarmonics::Preset(preset % model::SphericalHarmonics::NUM_PRESET)); } } + +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); +} diff --git a/libraries/render-utils/src/DeferredLightingEffect.h b/libraries/render-utils/src/DeferredLightingEffect.h index 6c563605ea..eeb92f19c7 100644 --- a/libraries/render-utils/src/DeferredLightingEffect.h +++ b/libraries/render-utils/src/DeferredLightingEffect.h @@ -19,6 +19,8 @@ #include "ProgramObject.h" +#include "model/Light.h" + class AbstractViewStateInterface; class PostLightingRenderable; @@ -71,25 +73,12 @@ public: void prepare(); void render(); - enum AmbientLightPreset { - OLD_TOWN_SQUARE = 0, - GRACE_CATHEDRAL, - EUCALYPTUS_GROVE, - ST_PETERS_BASILICA, - UFFIZI_GALLERY, - GALILEOS_TOMB, - VINE_STREET_KITCHEN, - BREEZEWAY, - CAMPUS_SUNSET, - FUNSTON_BEACH_SUNSET, - - NUM_PRESET, - }; - + // update global lighting void setAmbientLightMode(int preset); + void setGlobalLight(const glm::vec3& direction, const glm::vec3& diffuse, float intensity); private: - DeferredLightingEffect() { } + DeferredLightingEffect() {} virtual ~DeferredLightingEffect() { } class LightLocations { @@ -102,6 +91,8 @@ private: int depthTexCoordScale; int radius; int ambientSphere; + int lightBufferUnit; + int invViewMat; }; static void loadLightProgram(const char* fragSource, bool limited, ProgramObject& program, LightLocations& locations); @@ -146,9 +137,13 @@ private: float exponent; float cutoff; }; - - QVector _pointLights; - QVector _spotLights; + + typedef std::vector< model::LightPointer > Lights; + + Lights _allocatedLights; + std::vector _globalLights; + std::vector _pointLights; + std::vector _spotLights; QVector _postLightingRenderables; AbstractViewStateInterface* _viewState; diff --git a/libraries/render-utils/src/GeometryCache.cpp b/libraries/render-utils/src/GeometryCache.cpp index 2d9791409f..dffadc730f 100644 --- a/libraries/render-utils/src/GeometryCache.cpp +++ b/libraries/render-utils/src/GeometryCache.cpp @@ -1154,7 +1154,7 @@ void GeometryCache::renderQuad(const glm::vec2& minCorner, const glm::vec2& maxC gpu::Batch batch; - glEnable(GL_TEXTURE_2D); +// glEnable(GL_TEXTURE_2D); //glBindTexture(GL_TEXTURE_2D, _currentTextureID); // this is quad specific... batch.setInputFormat(details.streamFormat); @@ -1168,8 +1168,8 @@ void GeometryCache::renderQuad(const glm::vec2& minCorner, const glm::vec2& maxC glDisableClientState(GL_COLOR_ARRAY); glBindBuffer(GL_ARRAY_BUFFER, 0); - glBindTexture(GL_TEXTURE_2D, 0); - glDisable(GL_TEXTURE_2D); + // glBindTexture(GL_TEXTURE_2D, 0); + // glDisable(GL_TEXTURE_2D); } void GeometryCache::renderQuad(const glm::vec3& minCorner, const glm::vec3& maxCorner, const glm::vec4& color, int id) { diff --git a/libraries/render-utils/src/Light.slh b/libraries/render-utils/src/Light.slh new file mode 100755 index 0000000000..abb9fb6c2a --- /dev/null +++ b/libraries/render-utils/src/Light.slh @@ -0,0 +1,107 @@ + +<@if not LIGHT_SLH@> +<@def LIGHT_SLH@> + +struct Light { + vec4 _position; + vec4 _direction; + vec4 _color; + vec4 _attenuation; + vec4 _spot; + + vec4 _shadow; + + vec4 _control; +}; + +vec3 getLightPosition(Light l) { return l._position.xyz; } +vec3 getLightDirection(Light l) { return l._direction.xyz; } // direction is -Z axis + +vec3 getLightColor(Light l) { return l._color.rgb; } +float getLightIntensity(Light l) { return l._color.w; } + +float evalLightAttenuation(Light l, float r) { + float d = max(r - l._attenuation.x, 0.0); + float denom = d * l._attenuation.y + 1.0; + float attenuation = 1.0 / (denom * denom); + return max((attenuation - l._attenuation.z)/(1.0 - l._attenuation.z), 0.0); + // return clamp(1.0/(l._attenuation.x + l._attenuation.y * r + l._attenuation.z * r * r), 0.0, 1.0); +} + +float getLightSpotAngleCos(Light l) { + return l._spot.x; +} + +vec2 getLightSpotOutsideNormal2(Light l) { + return vec2(-l._spot.y, l._spot.x); +} + +float evalLightSpotAttenuation(Light l, float cosA) { + return pow(cosA, l._spot.w); +} + +float getLightSquareRadius(Light l) { + return l._attenuation.w * l._attenuation.w; +} + +float getLightRadius(Light l) { + return l._attenuation.w; +} + +float getLightAttenuationCutoff(Light l) { + return l._attenuation.z; +} + +float getLightShowContour(Light l) { + return l._control.w; +} + +<@if GLPROFILE == PC_GL@> +uniform lightBuffer { + Light light; +}; +Light getLight() { + return light; +} +<@elif GLPROFILE == MAC_GL@> +uniform vec4 lightBuffer[9]; +Light getLight() { + Light light; + light._position = lightBuffer[0]; + light._direction = lightBuffer[1]; + light._color = lightBuffer[2]; + light._attenuation = lightBuffer[3]; + light._spot = lightBuffer[4]; + light._shadow = lightBuffer[5]; + light._control = lightBuffer[6]; + + return light; +} +<@else@> +uniform vec4 lightBuffer[9]; +Light getLight() { + Light light; + light._position = lightBuffer[0]; + light._direction = lightBuffer[1]; + light._color = lightBuffer[2]; + light._attenuation = lightBuffer[3]; + light._spot = lightBuffer[4]; + light._shadow = lightBuffer[5]; + light._control = lightBuffer[6]; + + return light; +} +<@endif@> + + + +<@endif@> diff --git a/libraries/render-utils/src/directional_ambient_light.slf b/libraries/render-utils/src/directional_ambient_light.slf index 803bd5ac30..308a8a73a7 100755 --- a/libraries/render-utils/src/directional_ambient_light.slf +++ b/libraries/render-utils/src/directional_ambient_light.slf @@ -15,22 +15,23 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -<@include DeferredLighting.slh@> +<@include DeferredGlobalLight.slh@> void main(void) { DeferredFragment frag = unpackDeferredFragment(gl_TexCoord[0].st); + // Light mapped or not ? if ((frag.normalVal.a >= 0.45) && (frag.normalVal.a <= 0.55)) { - gl_FragColor = vec4( evalLightmappedColor( + vec3 color = evalLightmappedColor( 1.0, frag.normal, frag.diffuse, - frag.specularVal.xyz), - 1.0); + frag.specularVal.xyz); + + gl_FragColor = vec4(color, 1.0); } else { - vec3 color = evalAmbientSphereColor(frag.normal, frag.diffuse, frag.specular, frag.gloss) - + evalDirectionalColor(1.0, + vec3 color = evalAmbienSphereGlobalColor(1.0, frag.position.xyz, frag.normal, frag.diffuse, diff --git a/libraries/render-utils/src/directional_ambient_light_cascaded_shadow_map.slf b/libraries/render-utils/src/directional_ambient_light_cascaded_shadow_map.slf index 5f88c558d3..db017cf5ac 100755 --- a/libraries/render-utils/src/directional_ambient_light_cascaded_shadow_map.slf +++ b/libraries/render-utils/src/directional_ambient_light_cascaded_shadow_map.slf @@ -15,7 +15,7 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -<@include DeferredLighting.slh@> +<@include DeferredGlobalLight.slh@> // Everything about shadow <@include Shadow.slh@> @@ -36,8 +36,7 @@ void main(void) { frag.specularVal.xyz), 1.0); } else { - vec3 color = evalAmbientSphereColor(frag.normal, frag.diffuse, frag.specular, frag.gloss) - + evalDirectionalColor(shadowAttenuation, + vec3 color = evalAmbienSphereGlobalColor(shadowAttenuation, frag.position.xyz, frag.normal, frag.diffuse, diff --git a/libraries/render-utils/src/directional_ambient_light_shadow_map.slf b/libraries/render-utils/src/directional_ambient_light_shadow_map.slf index 6c241853e3..43d3e91dbe 100755 --- a/libraries/render-utils/src/directional_ambient_light_shadow_map.slf +++ b/libraries/render-utils/src/directional_ambient_light_shadow_map.slf @@ -15,7 +15,7 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -<@include DeferredLighting.slh@> +<@include DeferredGlobalLight.slh@> // Everything about shadow <@include Shadow.slh@> @@ -37,8 +37,7 @@ void main(void) { frag.specularVal.xyz), 1.0); } else { - vec3 color = evalAmbientSphereColor(frag.normal, frag.diffuse, frag.specular, frag.gloss) - + evalDirectionalColor(shadowAttenuation, + vec3 color = evalAmbienSphereGlobalColor(shadowAttenuation, frag.position.xyz, frag.normal, frag.diffuse, diff --git a/libraries/render-utils/src/directional_light.slf b/libraries/render-utils/src/directional_light.slf index 8ff6cd6c87..3e708f849e 100644 --- a/libraries/render-utils/src/directional_light.slf +++ b/libraries/render-utils/src/directional_light.slf @@ -15,7 +15,7 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -<@include DeferredLighting.slh@> +<@include DeferredGlobalLight.slh@> void main(void) { DeferredFragment frag = unpackDeferredFragment(gl_TexCoord[0].st); @@ -29,8 +29,7 @@ void main(void) { frag.specularVal.xyz), 1.0); } else { - vec3 color = evalAmbientColor(frag.normal, frag.diffuse, frag.specular, frag.gloss) - + evalDirectionalColor(1.0, + vec3 color = evalAmbienGlobalColor(1.0, frag.position.xyz, frag.normal, frag.diffuse, diff --git a/libraries/render-utils/src/directional_light_cascaded_shadow_map.slf b/libraries/render-utils/src/directional_light_cascaded_shadow_map.slf index ccf8909b64..90b3bf1d2b 100644 --- a/libraries/render-utils/src/directional_light_cascaded_shadow_map.slf +++ b/libraries/render-utils/src/directional_light_cascaded_shadow_map.slf @@ -15,7 +15,7 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -<@include DeferredLighting.slh@> +<@include DeferredGlobalLight.slh@> // Everything about shadow <@include Shadow.slh@> @@ -36,8 +36,7 @@ void main(void) { frag.specularVal.xyz), 1.0); } else { - vec3 color = evalAmbientColor(frag.normal, frag.diffuse, frag.specular, frag.gloss) - + evalDirectionalColor(shadowAttenuation, + vec3 color = evalAmbienGlobalColor(shadowAttenuation, frag.position.xyz, frag.normal, frag.diffuse, diff --git a/libraries/render-utils/src/directional_light_shadow_map.slf b/libraries/render-utils/src/directional_light_shadow_map.slf index 13435e9101..5029b57020 100644 --- a/libraries/render-utils/src/directional_light_shadow_map.slf +++ b/libraries/render-utils/src/directional_light_shadow_map.slf @@ -15,7 +15,7 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -<@include DeferredLighting.slh@> +<@include DeferredGlobalLight.slh@> // Everything about shadow <@include Shadow.slh@> @@ -37,8 +37,7 @@ void main(void) { frag.specularVal.xyz), 1.0); } else { - vec3 color = evalAmbientColor(frag.normal, frag.diffuse, frag.specular, frag.gloss) - + evalDirectionalColor(shadowAttenuation, + vec3 color = evalAmbienGlobalColor(shadowAttenuation, frag.position.xyz, frag.normal, frag.diffuse, diff --git a/libraries/render-utils/src/model_lightmap.slv b/libraries/render-utils/src/model_lightmap.slv index 23d99b399a..1ea5b7b68a 100755 --- a/libraries/render-utils/src/model_lightmap.slv +++ b/libraries/render-utils/src/model_lightmap.slv @@ -33,8 +33,9 @@ void main(void) { // and the texture coordinates gl_TexCoord[0] = texcoordMatrices[0] * vec4(gl_MultiTexCoord0.xy, 0.0, 1.0); + // interpolatedTexcoord1 = vec2(texcoordMatrices[1] * vec4(gl_MultiTexCoord0.xy, 0.0, 1.0)).xy; interpolatedTexcoord1 = vec2(texcoordMatrices[1] * vec4(texcoord1.xy, 0.0, 1.0)).xy; - + // use standard pipeline transform gl_Position = ftransform(); } diff --git a/libraries/render-utils/src/point_light.slf b/libraries/render-utils/src/point_light.slf index e5142b25ce..abe904ecce 100644 --- a/libraries/render-utils/src/point_light.slf +++ b/libraries/render-utils/src/point_light.slf @@ -15,41 +15,61 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -// the radius (hard cutoff) of the light effect -uniform float radius; +//Everything about deferred lighting +<@include DeferredLighting.slh@> + +// Everything about light +<@include Light.slh@> + +// The view Matrix +uniform mat4 invViewMat; void main(void) { - // get the depth and exit early if it doesn't pass the test + // Grab the fragment data from the uv vec2 texCoord = gl_TexCoord[0].st / gl_TexCoord[0].q; - float depth = texture2D(depthMap, texCoord).r; + DeferredFragment frag = unpackDeferredFragment(texCoord); + + // Kill if in front of the light volume + float depth = frag.depthVal; if (depth < gl_FragCoord.z) { discard; } - // compute the view space position using the depth - float z = near / (depth * depthScale - 1.0); - vec4 position = vec4((depthTexCoordOffset + texCoord * depthTexCoordScale) * z, z, 1.0); - - // get the normal from the map - vec4 normal = texture2D(normalMap, texCoord); - vec4 normalizedNormal = normalize(normal * 2.0 - vec4(1.0, 1.0, 1.0, 2.0)); - - // compute the base color based on OpenGL lighting model - vec4 lightVector = gl_LightSource[1].position - position; - float lightDistance = length(lightVector); - lightVector = lightVector / lightDistance; - float diffuse = dot(normalizedNormal, lightVector); - float facingLight = step(0.0, diffuse); - vec4 baseColor = texture2D(diffuseMap, texCoord) * (gl_FrontLightProduct[1].ambient + - gl_FrontLightProduct[1].diffuse * (diffuse * facingLight)); - - // compute attenuation based on distance, etc. - float attenuation = step(lightDistance, radius) / dot(vec3(gl_LightSource[1].constantAttenuation, - gl_LightSource[1].linearAttenuation, gl_LightSource[1].quadraticAttenuation), - vec3(1.0, lightDistance, lightDistance * lightDistance)); - - // add base to specular, modulate by attenuation - float specular = facingLight * max(0.0, dot(normalize(lightVector - normalize(vec4(position.xyz, 0.0))), - normalizedNormal)); - vec4 specularColor = texture2D(specularMap, texCoord); - gl_FragColor = vec4((baseColor.rgb + pow(specular, specularColor.a * 128.0) * specularColor.rgb) * attenuation, 0.0); + + // Need the light now + Light light = getLight(); + + // Make the Light vector going from fragment to light center in world space + vec4 fragPos = invViewMat * frag.position; + vec3 fragLightVec = getLightPosition(light) - fragPos.xyz; + + // Kill if too far from the light center + if (dot(fragLightVec, fragLightVec) > getLightSquareRadius(light)) { + discard; + } + + // Allright we re valid in the volume + float fragLightDistance = length(fragLightVec); + vec3 fragLightDir = fragLightVec / fragLightDistance; + + // Eval shading + vec3 fragNormal = vec3(invViewMat * vec4(frag.normal, 0.0)); + vec4 fragEyeVector = invViewMat * vec4(-frag.position.xyz, 0.0); + vec3 fragEyeDir = normalize(fragEyeVector.xyz); + vec4 shading = evalFragShading(fragNormal, fragLightDir, fragEyeDir, frag.specular, frag.gloss); + + // Eval attenuation + float radialAttenuation = evalLightAttenuation(light, fragLightDistance); + + // Final Lighting color + vec3 fragColor = shading.w * (frag.diffuse + shading.xyz); + gl_FragColor = vec4(fragColor * radialAttenuation * getLightColor(light) * getLightIntensity(light), 0.0); + + if (getLightShowContour(light) > 0.0) { + // Show edge + float edge = abs(2.0 * ((getLightRadius(light) - fragLightDistance) / (0.1)) - 1.0); + if (edge < 1) { + float edgeCoord = exp2(-8.0*edge*edge); + gl_FragColor = vec4(edgeCoord * edgeCoord * getLightShowContour(light) * getLightColor(light), 0.0); + } + } } diff --git a/libraries/render-utils/src/spot_light.slf b/libraries/render-utils/src/spot_light.slf index f987760eb8..95fabae3ed 100644 --- a/libraries/render-utils/src/spot_light.slf +++ b/libraries/render-utils/src/spot_light.slf @@ -15,43 +15,73 @@ // Everything about deferred buffer <@include DeferredBuffer.slh@> -// the radius (hard cutoff) of the light effect -uniform float radius; +//Everything about deferred lighting +<@include DeferredLighting.slh@> + +// Everything about light +<@include Light.slh@> + +// The view Matrix +uniform mat4 invViewMat; void main(void) { - // get the depth and exit early if it doesn't pass the test + // Grab the fragment data from the uv vec2 texCoord = gl_TexCoord[0].st / gl_TexCoord[0].q; - float depth = texture2D(depthMap, texCoord).r; + DeferredFragment frag = unpackDeferredFragment(texCoord); + + // Kill if in front of the light volume + float depth = frag.depthVal; if (depth < gl_FragCoord.z) { discard; } - // compute the view space position using the depth - float z = near / (depth * depthScale - 1.0); - vec4 position = vec4((depthTexCoordOffset + texCoord * depthTexCoordScale) * z, z, 1.0); - - // get the normal from the map - vec4 normal = texture2D(normalMap, texCoord); - vec4 normalizedNormal = normalize(normal * 2.0 - vec4(1.0, 1.0, 1.0, 2.0)); - - // compute the base color based on OpenGL lighting model - vec4 lightVector = gl_LightSource[1].position - position; - float lightDistance = length(lightVector); - lightVector = lightVector / lightDistance; - float diffuse = dot(normalizedNormal, lightVector); - float facingLight = step(0.0, diffuse); - vec4 baseColor = texture2D(diffuseMap, texCoord) * (gl_FrontLightProduct[1].ambient + - gl_FrontLightProduct[1].diffuse * (diffuse * facingLight)); - - // compute attenuation based on spot angle, distance, etc. - float cosSpotAngle = max(-dot(lightVector.xyz, gl_LightSource[1].spotDirection), 0.0); - float attenuation = step(lightDistance, radius) * step(gl_LightSource[1].spotCosCutoff, cosSpotAngle) * - pow(cosSpotAngle, gl_LightSource[1].spotExponent) / dot(vec3(gl_LightSource[1].constantAttenuation, - gl_LightSource[1].linearAttenuation, gl_LightSource[1].quadraticAttenuation), - vec3(1.0, lightDistance, lightDistance * lightDistance)); - - // add base to specular, modulate by attenuation - float specular = facingLight * max(0.0, dot(normalize(lightVector - normalize(vec4(position.xyz, 0.0))), - normalizedNormal)); - vec4 specularColor = texture2D(specularMap, texCoord); - gl_FragColor = vec4((baseColor.rgb + pow(specular, specularColor.a * 128.0) * specularColor.rgb) * attenuation, 0.0); + + // Need the light now + Light light = getLight(); + + // Make the Light vector going from fragment to light center in world space + vec4 fragPos = invViewMat * frag.position; + vec3 fragLightVec = getLightPosition(light) - fragPos.xyz; + + // Kill if too far from the light center + if (dot(fragLightVec, fragLightVec) > getLightSquareRadius(light)) { + discard; + } + + // Allright we re valid in the volume + float fragLightDistance = length(fragLightVec); + vec3 fragLightDir = fragLightVec / fragLightDistance; + + // Kill if not in the spot light (ah ah !) + vec3 lightSpotDir = getLightDirection(light); + float cosSpotAngle = max(-dot(fragLightDir, lightSpotDir), 0.0); + if (cosSpotAngle < getLightSpotAngleCos(light)) { + discard; + } + + // Eval shading + vec3 fragNormal = vec3(invViewMat * vec4(frag.normal, 0.0)); + vec4 fragEyeVector = invViewMat * vec4(-frag.position.xyz, 0.0); + vec3 fragEyeDir = normalize(fragEyeVector.xyz); + vec4 shading = evalFragShading(fragNormal, fragLightDir, fragEyeDir, frag.specular, frag.gloss); + + // Eval attenuation + float radialAttenuation = evalLightAttenuation(light, fragLightDistance); + float angularAttenuation = evalLightSpotAttenuation(light, cosSpotAngle); + + // Final Lighting color + vec3 fragColor = shading.w * (frag.diffuse + shading.xyz); + gl_FragColor = vec4(fragColor * angularAttenuation * radialAttenuation * getLightColor(light) * getLightIntensity(light), 0.0); + + if (getLightShowContour(light) > 0.0) { + // Show edges + float edgeDistR = (getLightRadius(light) - fragLightDistance); + float edgeDistS = dot(fragLightDistance * vec2(cosSpotAngle, sqrt(1.0 - cosSpotAngle * cosSpotAngle)), -getLightSpotOutsideNormal2(light)); + float edgeDist = min(edgeDistR, edgeDistS); + float edge = abs(2.0 * (edgeDist / (0.1)) - 1.0); + if (edge < 1) { + float edgeCoord = exp2(-8.0*edge*edge); + gl_FragColor = vec4(edgeCoord * edgeCoord * getLightColor(light), 0.0); + } + } } + diff --git a/libraries/shared/src/Transform.h b/libraries/shared/src/Transform.h index e08f00c0ac..346a82a3b0 100644 --- a/libraries/shared/src/Transform.h +++ b/libraries/shared/src/Transform.h @@ -100,6 +100,8 @@ public: // Left will be inversed before the multiplication static Transform& inverseMult(Transform& result, const Transform& left, const Transform& right); + Vec4 transform(const Vec4& pos) const; + protected: enum Flag { @@ -414,6 +416,13 @@ inline Transform& Transform::inverseMult( Transform& result, const Transform& le return result; } +inline Transform::Vec4 Transform::transform(const Vec4& pos) const { + Mat4 m; + getMatrix(m); + return m * pos; +} + + inline Transform::Mat4& Transform::getCachedMatrix(Transform::Mat4& result) const { updateCache(); result = (*_matrix);