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Sam Gateau 2015-01-27 15:44:10 -08:00
parent 1a044b4ea6
commit ae3233b119
8 changed files with 130 additions and 28 deletions
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3
libraries/model/src/model/Geometry.h
View file

@ -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);

1
libraries/model/src/model/Material.h
View file

@ -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<Schema>(); }
protected:
Flags _flags;

2
libraries/render-utils/src/DeferredLighting.slh
View file

@ -59,7 +59,7 @@ vec3 evalDirectionalColor(float shadowAttenuation, vec3 position, vec3 normal, v
// Diffuse Lighting
float diffuseDot = dot(normal, gl_LightSource[0].position.xyz);
float facingLight = step(0.0, diffuseDot) * shadowAttenuation;
vec3 diffuseColor = diffuse * (/*gl_FrontLightModelProduct.sceneColor.rgb +*/ gl_FrontLightProduct[0].diffuse.rgb * (diffuseDot * facingLight));
vec3 diffuseColor = diffuse * (gl_FrontLightProduct[0].diffuse.rgb * (diffuseDot * facingLight));
// compute the specular multiplier (sans exponent)
float specularPower = facingLight * max(0.0,

103
libraries/render-utils/src/DeferredLightingEffect.cpp
View file

@ -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"
@ -269,7 +272,14 @@ void DeferredLightingEffect::addSpotLight(const glm::vec3& position, float radiu
light.specular = glm::vec4(specular, 1.0f);
light.constantAttenuation = constantAttenuation;
light.linearAttenuation = linearAttenuation;
_pointLights.append(light);
model::LightPointer lp = model::LightPointer(new model::Light());
lp->setPosition(position);
lp->setAttenuationRadius(radius);
lp->setColor(diffuse);
lp->setIntensity(1.0f);
lp->setType(model::Light::POINT);
_pointLights.push_back(lp);
} else {
SpotLight light;
@ -283,7 +293,17 @@ void DeferredLightingEffect::addSpotLight(const glm::vec3& position, float radiu
light.direction = direction;
light.exponent = exponent;
light.cutoff = cutoff;
_spotLights.append(light);
model::LightPointer ls = model::LightPointer(new model::Light());
ls->setPosition(position);
ls->setDirection(direction);
ls->setAttenuationRadius(radius);
ls->setSpotCone(cutoff);
ls->setColor(diffuse);
ls->setIntensity(1.0f);
ls->setType(model::Light::SPOT);
_spotLights.push_back(ls);
}
}
@ -436,14 +456,24 @@ void DeferredLightingEffect::render() {
auto geometryCache = DependencyManager::get<GeometryCache>();
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) {
for (auto light : _pointLights) {
// foreach (const PointLight& light, _pointLights) {
if (_pointLightLocations.lightBufferUnit >= 0) {
gpu::Batch batch;
batch.setUniformBuffer(_pointLightLocations.lightBufferUnit, light->getSchemaBuffer());
gpu::GLBackend::renderBatch(batch);
}
_spotLight.setUniformValue(_pointLightLocations.radius, light->getAttenuationRadius());
/*
_pointLight.setUniformValue(_pointLightLocations.radius, light.radius);
glLightfv(GL_LIGHT1, GL_AMBIENT, (const GLfloat*)&light.ambient);
glLightfv(GL_LIGHT1, GL_DIFFUSE, (const GLfloat*)&light.diffuse);
@ -452,11 +482,11 @@ void DeferredLightingEffect::render() {
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));
*/
glPushMatrix();
float expandedRadius = light.radius * (1.0f + SCALE_EXPANSION);
if (glm::distance(eyePoint, glm::vec3(light.position)) < expandedRadius + nearRadius) {
float expandedRadius = light->getAttenuationRadius() * (1.0f + SCALE_EXPANSION);
if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < expandedRadius + nearRadius) {
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -1.0f);
@ -470,7 +500,7 @@ 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);
}
@ -481,15 +511,24 @@ 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);
for (auto light : _spotLights) {
// foreach (const SpotLight& light, _spotLights) {
if (_spotLightLocations.lightBufferUnit >= 0) {
gpu::Batch batch;
batch.setUniformBuffer(_spotLightLocations.lightBufferUnit, light->getSchemaBuffer());
gpu::GLBackend::renderBatch(batch);
}
_spotLight.setUniformValue(_spotLightLocations.radius, light->getAttenuationRadius());
/*
_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);
@ -500,12 +539,13 @@ void DeferredLightingEffect::render() {
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));
*/
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->getAttenuationRadius() * (1.0f + SCALE_EXPANSION);
float edgeRadius = expandedRadius / glm::cos(light->getSpotConeAngle());
if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < edgeRadius + nearRadius) {
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -1.0f);
@ -519,12 +559,12 @@ 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->getAttenuationRadius() * (1.0f + SCALE_EXPANSION * 0.5f));
geometryCache->renderCone(expandedRadius * glm::tan(light->getSpotConeAngle()),
expandedRadius, 32, 1);
}
@ -609,6 +649,31 @@ void DeferredLightingEffect::loadLightProgram(const char* fragSource, bool limit
locations.depthTexCoordScale = program.uniformLocation("depthTexCoordScale");
locations.radius = program.uniformLocation("radius");
locations.ambientSphere = program.uniformLocation("ambientSphere.L00");
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, 1);
locations.lightBufferUnit = 1;
} else {
locations.lightBufferUnit = -1;
}
#else
loc = program.uniformLocation("lightBuffer");
if (loc >= 0) {
locations.lightBufferUnit = loc;
} else {
locations.lightBufferUnit = -1;
}
#endif
program.release();
}

13
libraries/render-utils/src/DeferredLightingEffect.h
View file

@ -19,6 +19,8 @@
#include "ProgramObject.h"
#include "model/Light.h"
class AbstractViewStateInterface;
class PostLightingRenderable;
@ -102,6 +104,7 @@ private:
int depthTexCoordScale;
int radius;
int ambientSphere;
int lightBufferUnit;
};
static void loadLightProgram(const char* fragSource, bool limited, ProgramObject& program, LightLocations& locations);
@ -146,9 +149,13 @@ private:
float exponent;
float cutoff;
};
QVector<PointLight> _pointLights;
QVector<SpotLight> _spotLights;
typedef std::vector< model::LightPointer > Lights;
Lights _pointLights;
Lights _spotLights;
// QVector<PointLight> _pointLights;
// QVector<SpotLight> _spotLights;
QVector<PostLightingRenderable*> _postLightingRenderables;
AbstractViewStateInterface* _viewState;

11
libraries/render-utils/src/point_light.slf
View file

@ -15,16 +15,23 @@
// Everything about deferred buffer
<@include DeferredBuffer.slh@>
// Everything about light
<@include Light.slh@>
// the radius (hard cutoff) of the light effect
uniform float radius;
void main(void) {
// get the depth and exit early if it doesn't pass the test
vec2 texCoord = gl_TexCoord[0].st / gl_TexCoord[0].q;
float depth = texture2D(depthMap, texCoord).r;
DeferredFragment frag = unpackDeferredFragment(texCoord);
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);
@ -52,4 +59,6 @@ void main(void) {
normalizedNormal));
vec4 specularColor = texture2D(specularMap, texCoord);
gl_FragColor = vec4((baseColor.rgb + pow(specular, specularColor.a * 128.0) * specularColor.rgb) * attenuation, 0.0);
gl_FragColor = vec4(frag.normal, 0.0);
}

16
libraries/render-utils/src/spot_light.slf
View file

@ -15,20 +15,30 @@
// Everything about deferred buffer
<@include DeferredBuffer.slh@>
// Everything about light
<@include Light.slh@>
// the radius (hard cutoff) of the light effect
uniform float radius;
void main(void) {
// get the depth and exit early if it doesn't pass the test
vec2 texCoord = gl_TexCoord[0].st / gl_TexCoord[0].q;
float depth = texture2D(depthMap, texCoord).r;
DeferredFragment frag = unpackDeferredFragment(texCoord);
// get the depth and exit early if it doesn't pass the test
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));
@ -54,4 +64,6 @@ void main(void) {
normalizedNormal));
vec4 specularColor = texture2D(specularMap, texCoord);
gl_FragColor = vec4((baseColor.rgb + pow(specular, specularColor.a * 128.0) * specularColor.rgb) * attenuation, 0.0);
gl_FragColor = vec4(frag.normal, 0.0);
}

9
libraries/shared/src/Transform.h
View file

@ -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);