void ofApp::drawRectangle(float x, float y, float w, float h)
{
static ofVbo vbo;
vector<ofVec3f> vertices = { ofVec3f(x, y, 0), ofVec3f(x + w, y, 0), ofVec3f(x + w, y + h, 0) , ofVec3f(x, y + h, 0) };
vector<ofFloatColor> colors(4, ofGetStyle().color);
if (!vbo.getIsAllocated())
{
vector<ofVec2f> texCoords = { ofVec2f(0, 0), ofVec2f(1, 0), ofVec2f(1, 1), ofVec2f(0, 1) };
vector<ofVec3f> normals(4, ofVec3f(0, 0, 1));
vector<ofIndexType> indices = { 0, 2, 1, 0, 3, 2 };
vbo.setVertexData(&vertices[0].x, 3, vertices.size(), GL_DYNAMIC_DRAW);
vbo.setColorData(&colors[0].r, colors.size(), GL_DYNAMIC_DRAW);
vbo.setTexCoordData(&texCoords[0].x, texCoords.size(), GL_STATIC_DRAW);
vbo.setNormalData(&normals[0].x, normals.size(), GL_STATIC_DRAW);
vbo.setIndexData(&indices[0], indices.size(), GL_STATIC_DRAW);
}
else
{
vbo.updateVertexData(&vertices[0].x, vertices.size());
vbo.updateColorData(&colors[0].r, colors.size());
}
vbo.drawElements(GL_TRIANGLES, vbo.getNumIndices());
}
int ofxKinectV2::getVbo(ofVbo& vbo)
{
auto& vertices = pcVertices[indexFront];
auto& colors = pcColors[indexFront];
if (!vbo.getIsAllocated())
{
vector<ofVec2f> texCoords;
for (int y = 0; y < DEPTH_HEIGHT; y++)
{
float coord_y = (float)y / DEPTH_HEIGHT;
for (int x = 0; x < DEPTH_WIDTH; x++)
{
float coord_x = (float)x / DEPTH_HEIGHT;
texCoords.emplace_back(coord_x, coord_y);
}
}
vbo.setTexCoordData(&texCoords[0], texCoords.size(), GL_STATIC_DRAW);
vbo.setVertexData(&vertices[0].x, 4, vertices.size(), GL_DYNAMIC_DRAW);
vbo.setColorData(&colors[0], colors.size(), GL_DYNAMIC_DRAW);
vbo.setIndexBuffer(indicesBuffer);
}
else
{
vbo.updateVertexData(&vertices[0].x, vertices.size());
vbo.updateColorData(&colors[0].r, colors.size());
}
auto& depth = frameRawDepth[indexFront];
if (depth.getWidth() && depth.getHeight())
{
{
std::lock_guard<std::mutex> guard(mutex);
depthTexture.loadData(&depth[0], DEPTH_WIDTH, DEPTH_HEIGHT, GL_RED);
//vector<float> dd(512 * 424);
//memcpy(&dd[0], depth.getData(), sizeof(float) * dd.size());
}
depthTexture.bindAsImage(0, GL_READ_ONLY);
indicesBuffer.bindBase(GL_SHADER_STORAGE_BUFFER, 0);
atomicCounter.bindBase(GL_ATOMIC_COUNTER_BUFFER, 0);
computeIndices.begin();
computeIndices.setUniform1i("bUseUserMap", 0);
computeIndices.dispatchCompute(DEPTH_WIDTH / 32, DEPTH_HEIGHT / 8, 1);
computeIndices.end();
indicesBuffer.unbindBase(GL_SHADER_STORAGE_BUFFER, 0);
atomicCounter.unbindBase(GL_ATOMIC_COUNTER_BUFFER, 0);
#if 0
auto atomic = atomicCounter.map<int>(GL_READ_ONLY);
int num = atomic[0];
atomicCounter.unmap();
cout << "atomic: " << num << endl;
#endif
int data = 0;
atomicCounter.updateData(0, sizeof(int), &data);
}
return indicesBuffer.size() / sizeof(int);
}
