dilate test

This commit is contained in:
micuat 2020-10-18 15:25:49 +02:00
parent 26e86edebf
commit 7ebba10385
5 changed files with 160 additions and 37 deletions

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@ -1 +1,2 @@
ofxAzureKinect
ofxShader

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@ -0,0 +1,94 @@
#ifdef GL_ES
precision mediump float;
#endif
uniform sampler2D u_depth;
uniform sampler2D u_buffer0;
uniform sampler2D u_buffer1;
uniform vec2 u_resolution;
uniform vec2 u_mouse;
uniform float u_time;
uniform bool u_init;
varying vec2 v_texcoord;
void main() {
vec2 st = v_texcoord;
// st.y = 1.0 - st.y;
#ifdef BUFFER_0
// PING BUFFER
//
// Note: Here is where most of the action happens. But need's to read
// te content of the previous pass, for that we are making another buffer
// BUFFER_1 (u_buffer1)
vec4 color = vec4(0,0,0,1);
if(u_init) {
float tmp = texture2D(u_depth, st).r;
if(tmp > 0.005) {
color.rgb = vec3(1);
}
}
else {
vec2 pixel = 1./u_resolution;
float kernel[9];
kernel[0] = 0.125;
kernel[1] = 0.25;
kernel[2] = 0.125;
kernel[3] = 0.25;
kernel[4] = 1.0;
kernel[5] = 0.25;
kernel[6] = 0.125;
kernel[7] = 0.25;
kernel[8] = 0.125;
vec2 offset[9];
offset[0] = pixel * vec2(-1.0,-1.0);
offset[1] = pixel * vec2( 0.0,-1.0);
offset[2] = pixel * vec2( 1.0,-1.0);
offset[3] = pixel * vec2(-1.0,0.0);
offset[4] = pixel * vec2( 0.0,0.0);
offset[5] = pixel * vec2( 1.0,0.0);
offset[6] = pixel * vec2(-1.0,1.0);
offset[7] = pixel * vec2( 0.0,1.0);
offset[8] = pixel * vec2( 1.0,1.0);
float lap = 0;
for (int i=0; i < 9; i++){
float tmp = texture2D(u_buffer1, st + offset[i]).r;
// lap += tmp * kernel[i] / 2.5;
if(tmp > 0.005) {
color.rgb = vec3(1);
}
}
}
gl_FragColor = color;
#elif defined( BUFFER_1 )
// PONG BUFFER
//
// Note: Just copy the content of the BUFFER0 so it can be
// read by it in the next frame
//
gl_FragColor = texture2D(u_buffer0, st);
#else
// Main Buffer
vec3 dispColor = vec3(0, 0, 1);
dispColor.r = texture2D(u_depth, st).r > 0.005 ? 1 : 0;
dispColor.g = texture2D(u_buffer1, st).r;
// color.r = 1.;
gl_FragColor = vec4(dispColor, 1.0);
// gl_FragColor = color;
#endif
}

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@ -1,11 +1,22 @@
#include "ofMain.h"
#include "ofApp.h"
int main()
{
ofGLFWWindowSettings settings;
settings.setGLVersion(3, 2);
settings.setSize(1280, 720);
ofCreateWindow(settings);
//========================================================================
int main( ){
// ofSetupOpenGL(1024,768,OF_WINDOW); // <-------- setup the GL context
// this kicks off the running of my app
// can be OF_WINDOW or OF_FULLSCREEN
// pass in width and height too:
#ifdef TARGET_OPENGLES
ofGLESWindowSettings settings;
settings.setGLESVersion(2);
#else
ofGLWindowSettings settings;
settings.setGLVersion(3, 2); // Programmable pipeline
#endif
ofCreateWindow(settings);
ofRunApp(new ofApp());
ofRunApp(new ofApp());
}

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@ -3,19 +3,20 @@
//--------------------------------------------------------------
void ofApp::setup()
{
ofDisableArbTex();
//ofSetLogLevel(OF_LOG_VERBOSE);
ofLogNotice(__FUNCTION__) << "Found " << ofxAzureKinect::Device::getInstalledCount() << " installed devices.";
// Open Kinect.
if (this->kinectDevice.open())
if (kinectDevice.open())
{
auto kinectSettings = ofxAzureKinect::DeviceSettings();
kinectSettings.updateIr = false;
kinectSettings.updateColor = true;
kinectSettings.colorResolution = K4A_COLOR_RESOLUTION_1080P;
kinectSettings.updateVbo = false;
this->kinectDevice.startCameras(kinectSettings);
kinectDevice.startCameras(kinectSettings);
}
// Load shader.
@ -24,23 +25,26 @@ void ofApp::setup()
shaderSettings.shaderFiles[GL_GEOMETRY_SHADER] = "shaders/render.geom";
shaderSettings.shaderFiles[GL_FRAGMENT_SHADER] = "shaders/render.frag";
shaderSettings.bindDefaults = true;
if (this->shader.setup(shaderSettings))
if (shader.setup(shaderSettings))
{
ofLogNotice(__FUNCTION__) << "Success loading shader!";
}
// Setup vbo.
std::vector<glm::vec3> verts(1);
this->vbo.setVertexData(verts.data(), verts.size(), GL_STATIC_DRAW);
vbo.setVertexData(verts.data(), verts.size(), GL_STATIC_DRAW);
this->pointSize = 1.0f;
this->useColorSpace = false;
pointSize = 1.0f;
useColorSpace = false;
boundShader.allocate(ofGetWidth(), ofGetHeight());
boundShader.load("shaders/bound.frag");
}
//--------------------------------------------------------------
void ofApp::exit()
{
this->kinectDevice.close();
kinectDevice.close();
}
//--------------------------------------------------------------
@ -53,9 +57,20 @@ void ofApp::draw()
{
ofBackground(0);
if (this->kinectDevice.isStreaming())
if (kinectDevice.isStreaming())
{
this->cam.begin();
auto tex = kinectDevice.getDepthTex();
boundShader.setUniformTexture("u_depth", tex);
boundShader.setUniform1i("u_init", 1);
boundShader.render();
boundShader.setUniform1i("u_init", 0);
for (int i = 0; i < 60; i++) {
boundShader.render();
}
boundShader.draw(0, 0);
return;
cam.begin();
ofEnableDepthTest();
ofDrawAxis(100.0f);
@ -63,34 +78,34 @@ void ofApp::draw()
ofPushMatrix();
ofRotateXDeg(180);
this->shader.begin();
this->shader.setUniform1f("uSpriteSize", this->pointSize);
shader.begin();
shader.setUniform1f("uSpriteSize", pointSize);
int numPoints;
if (this->useColorSpace)
if (useColorSpace)
{
this->shader.setUniformTexture("uDepthTex", this->kinectDevice.getDepthInColorTex(), 1);
this->shader.setUniformTexture("uWorldTex", this->kinectDevice.getColorToWorldTex(), 2);
this->shader.setUniformTexture("uColorTex", this->kinectDevice.getColorTex(), 3);
this->shader.setUniform2i("uFrameSize", this->kinectDevice.getColorTex().getWidth(), this->kinectDevice.getColorTex().getHeight());
shader.setUniformTexture("uDepthTex", kinectDevice.getDepthInColorTex(), 1);
shader.setUniformTexture("uWorldTex", kinectDevice.getColorToWorldTex(), 2);
shader.setUniformTexture("uColorTex", kinectDevice.getColorTex(), 3);
shader.setUniform2i("uFrameSize", kinectDevice.getColorTex().getWidth(), kinectDevice.getColorTex().getHeight());
numPoints = this->kinectDevice.getColorTex().getWidth() * this->kinectDevice.getColorTex().getHeight();
numPoints = kinectDevice.getColorTex().getWidth() * kinectDevice.getColorTex().getHeight();
}
else
{
this->shader.setUniformTexture("uDepthTex", this->kinectDevice.getDepthTex(), 1);
this->shader.setUniformTexture("uWorldTex", this->kinectDevice.getDepthToWorldTex(), 2);
this->shader.setUniformTexture("uColorTex", this->kinectDevice.getColorInDepthTex(), 3);
this->shader.setUniform2i("uFrameSize", this->kinectDevice.getDepthTex().getWidth(), this->kinectDevice.getDepthTex().getHeight());
shader.setUniformTexture("uDepthTex", kinectDevice.getDepthTex(), 1);
shader.setUniformTexture("uWorldTex", kinectDevice.getDepthToWorldTex(), 2);
shader.setUniformTexture("uColorTex", kinectDevice.getColorInDepthTex(), 3);
shader.setUniform2i("uFrameSize", kinectDevice.getDepthTex().getWidth(), kinectDevice.getDepthTex().getHeight());
numPoints = this->kinectDevice.getDepthTex().getWidth() * this->kinectDevice.getDepthTex().getHeight();
numPoints = kinectDevice.getDepthTex().getWidth() * kinectDevice.getDepthTex().getHeight();
}
this->vbo.drawInstanced(GL_POINTS, 0, 1, numPoints);
this->shader.end();
vbo.drawInstanced(GL_POINTS, 0, 1, numPoints);
shader.end();
ofPopMatrix();
this->cam.end();
cam.end();
}
ofDrawBitmapStringHighlight(ofToString(ofGetFrameRate(), 2) + " FPS", 10, 20);
@ -101,15 +116,15 @@ void ofApp::keyPressed(int key)
{
if (key == OF_KEY_UP)
{
this->pointSize *= 2;
pointSize *= 2;
}
else if (key == OF_KEY_DOWN)
{
this->pointSize /= 2;
pointSize /= 2;
}
else if (key == ' ')
{
this->useColorSpace ^= 1;
useColorSpace ^= 1;
}
}

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@ -3,6 +3,7 @@
#include "ofMain.h"
#include "ofxAzureKinect.h"
#include "ofxShaderFilter.h"
class ofApp
: public ofBaseApp
@ -30,7 +31,8 @@ private:
ofxAzureKinect::Device kinectDevice;
ofEasyCam cam;
ofVbo vbo;
ofShader shader;
ofxShader shader;
ofxShaderFilter boundShader;
float pointSize;
bool useColorSpace;