void NightModeGraphicsEffect::draw(QPainter* painter)
{
int pixelRatio = painter->device()->devicePixelRatio();
QSize size(painter->device()->width() * pixelRatio, painter->device()->height() * pixelRatio);
if (fbo && fbo->size() != size)
{
delete fbo;
fbo = NULL;
}
if (!fbo)
{
QGLFramebufferObjectFormat format;
format.setAttachment(QGLFramebufferObject::CombinedDepthStencil);
format.setInternalTextureFormat(GL_RGBA);
fbo = new NightModeGraphicsEffectFbo(size, format, pixelRatio);
}
QPainter fboPainter(fbo);
drawSource(&fboPainter);
painter->save();
painter->beginNativePainting();
program->bind();
const GLfloat pos[] = {-1, -1, +1, -1, -1, +1, +1, +1};
const GLfloat texCoord[] = {0, 0, 1, 0, 0, 1, 1, 1};
program->setUniformValue(vars.source, 0);
program->setAttributeArray(vars.pos, pos, 2);
program->setAttributeArray(vars.texCoord, texCoord, 2);
program->enableAttributeArray(vars.pos);
program->enableAttributeArray(vars.texCoord);
glBindTexture(GL_TEXTURE_2D, fbo->texture());
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
program->release();
painter->endNativePainting();
painter->restore();
}
void CubeObj::drawgl(GLWidget &gl, QMatrix4x4 & cameramat ) {
QMatrix4x4 mobj = cameramat;
mobj *= getMatrix();
mobj.scale(scale);
static QColor color ( 1.0f, 0, 0.5f, 1 );
QGLShaderProgram * sp = gl.program;
if ( pro.actualobject == this ) {
sp = gl.program2;
}
for ( int i=0; i <6; i++) {
sp->enableAttributeArray(PROGRAM_VERTEX_ATTRIBUTE);
sp->enableAttributeArray(PROGRAM_TEXCOORD_ATTRIBUTE);
sp->setAttributeArray (PROGRAM_VERTEX_ATTRIBUTE, vertices.constData());
sp->setAttributeArray (PROGRAM_TEXCOORD_ATTRIBUTE, texCoords.constData());
sp->bind();
sp->setUniformValue("matrix", mobj);
sp->setUniformValue("color", QVector4D (1,0,0,0.2f));
gl.glBindTexture(GL_TEXTURE_2D, this->textureIDs[i] );
gl.glDrawArrays(GL_QUADS, i*4, 4 );
}
if ( pro.getManger().edges ) {
gl.glDisable(GL_CULL_FACE);
sp = gl.solidcolorp;
sp->enableAttributeArray(PROGRAM_VERTEX_ATTRIBUTE);
sp->enableAttributeArray(PROGRAM_TEXCOORD_ATTRIBUTE);
sp->setAttributeArray (PROGRAM_VERTEX_ATTRIBUTE, vertices.constData());
sp->setAttributeArray (PROGRAM_TEXCOORD_ATTRIBUTE, texCoords.constData());
sp->bind();
sp->setUniformValue("matrix", mobj);
sp->setUniformValue("color", QVector4D (0,1,0,0.8f));
if ( pro.actualobject == this ) {
sp->setUniformValue("color", QVector4D (1,0.8f,1,0.8f));
}
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
gl.glLineWidth(2);
gl.glDrawArrays(GL_QUADS, 0, 24 );
gl.glEnable(GL_CULL_FACE);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}
void FiberRenderer::setShaderVars( PropertyGroup& props )
{
QGLShaderProgram* program = GLFunctions::getShader( "fiber" );
program->bind();
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int numFloats = 6;
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * numFloats, (const void *) offset );
offset += sizeof(float) * 3;
int normalLocation = program->attributeLocation( "a_normal" );
program->enableAttributeArray( normalLocation );
glVertexAttribPointer( normalLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * numFloats, (const void *) offset );
offset += sizeof(float) * 3;
program->setUniformValue( "u_colorMode", props.get( Fn::Property::D_COLORMODE ).toInt() );
program->setUniformValue( "u_mriSource", props.get( Fn::Property::D_STIPPLE_PROB_MASK ).toInt() );
program->setUniformValue( "u_colormap", props.get( Fn::Property::D_COLORMAP ).toInt() );
program->setUniformValue( "u_color", 1.0, 0.0, 0.0, 1.0 );
if ( props.get( Fn::Property::D_COLORMODE ).toInt() == 3 )
{
float texMin = props.get( Fn::Property::D_MIN ).toFloat();
float texMax = props.get( Fn::Property::D_MAX ).toFloat();
program->setUniformValue( "u_lowerThreshold", ( props.get( Fn::Property::D_LOWER_THRESHOLD ).toFloat() - texMin ) / ( texMax - texMin ) );
program->setUniformValue( "u_upperThreshold", ( props.get( Fn::Property::D_UPPER_THRESHOLD ).toFloat() - texMin ) / ( texMax - texMin ) );
program->setUniformValue( "u_selectedMin", ( props.get( Fn::Property::D_SELECTED_MIN ).toFloat() - texMin ) / ( texMax - texMin ) );
program->setUniformValue( "u_selectedMax", ( props.get( Fn::Property::D_SELECTED_MAX ).toFloat() - texMin ) / ( texMax - texMin ) );
}
else
{
program->setUniformValue( "u_selectedMin", props.get( Fn::Property::D_SELECTED_MIN ).toFloat() );
program->setUniformValue( "u_selectedMax", props.get( Fn::Property::D_SELECTED_MAX ).toFloat() );
program->setUniformValue( "u_lowerThreshold", props.get( Fn::Property::D_LOWER_THRESHOLD ).toFloat() );
program->setUniformValue( "u_upperThreshold", props.get( Fn::Property::D_UPPER_THRESHOLD ).toFloat() );
}
program->setUniformValue( "u_cutdx", props.get( Fn::Property::D_DX ).toFloat() );
program->setUniformValue( "u_cutdy", props.get( Fn::Property::D_DY ).toFloat() );
program->setUniformValue( "u_cutdz", props.get( Fn::Property::D_DZ ).toFloat() );
program->setUniformValue( "u_cutx", props.get( Fn::Property::D_NX ).toFloat() / 10.f );
program->setUniformValue( "u_cuty", props.get( Fn::Property::D_NY ).toFloat() / 10.f );
program->setUniformValue( "u_cutz", props.get( Fn::Property::D_NZ ).toFloat() / 10.f );
}
void SliceRenderer::setShaderVars( QString target )
{
QGLShaderProgram* program = GLFunctions::getShader( "slice" );
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 3, 0 );
GLFunctions::setTextureUniforms( program, target );
}
void TriMesh::drawEdges(QGLShaderProgram& prog,
const TransformState& transState) const
{
transState.translate(offset()).setUniforms(prog.programId());
prog.enableAttributeArray("position");
prog.setAttributeArray("position", GL_FLOAT, &m_verts[0], 3);
if (m_colors.size() == m_verts.size())
{
prog.enableAttributeArray("color");
prog.setAttributeArray("color", GL_FLOAT, &m_colors[0], 3);
}
else
prog.setAttributeValue("color", GLfloat(1), GLfloat(1), GLfloat(1));
glDrawElements(GL_LINES, (GLsizei)m_edges.size(),
GL_UNSIGNED_INT, &m_edges[0]);
prog.disableAttributeArray("color");
prog.disableAttributeArray("position");
}
void FiberRenderer::setShaderVars( PropertyGroup* props )
{
QGLShaderProgram* program = GLFunctions::getShader( "fiber" );
program->bind();
long int offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 10, (const void *) offset );
offset += sizeof(float) * 3;
int normalLocation = program->attributeLocation( "a_normal" );
program->enableAttributeArray( normalLocation );
glVertexAttribPointer( normalLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 10, (const void *) offset );
offset += sizeof(float) * 3;
int colorLocation = program->attributeLocation( "a_color" );
program->enableAttributeArray( colorLocation );
glVertexAttribPointer( colorLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 10, (const void *) offset );
offset += sizeof(float) * 3;
int extraLocation = program->attributeLocation( "a_extra" );
program->enableAttributeArray( extraLocation );
glVertexAttribPointer( extraLocation, 1, GL_FLOAT, GL_FALSE, sizeof(float) * 10, (const void *) offset );
program->setUniformValue( "u_colorMode", props->get( Fn::Property::COLORMODE ).toInt() );
program->setUniformValue( "u_colormap", props->get( Fn::Property::COLORMAP ).toInt() );
program->setUniformValue( "u_color", 1.0, 0.0, 0.0, 1.0 );
program->setUniformValue( "u_selectedMin", props->get( Fn::Property::SELECTED_MIN ).toFloat() );
program->setUniformValue( "u_selectedMax", props->get( Fn::Property::SELECTED_MAX ).toFloat() );
program->setUniformValue( "u_lowerThreshold", props->get( Fn::Property::LOWER_THRESHOLD ).toFloat() );
program->setUniformValue( "u_upperThreshold", props->get( Fn::Property::UPPER_THRESHOLD ).toFloat() );
program->setUniformValue( "u_dx", props->get( Fn::Property::DX ).toFloat() );
program->setUniformValue( "u_dy", props->get( Fn::Property::DY ).toFloat() );
program->setUniformValue( "u_dz", props->get( Fn::Property::DZ ).toFloat() );
program->setUniformValue( "u_x", props->get( Fn::Property::NX ).toFloat() / 10.f );
program->setUniformValue( "u_y", props->get( Fn::Property::NY ).toFloat() / 10.f );
program->setUniformValue( "u_z", props->get( Fn::Property::NZ ).toFloat() / 10.f );
}
void BinghamRenderer::setShaderVars( PropertyGroup& props )
{
QGLShaderProgram* program = GLFunctions::getShader( "qball" );
program->bind();
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const void *) offset );
offset += sizeof(float) * 3;
int offsetLocation = program->attributeLocation( "a_offset" );
program->enableAttributeArray( offsetLocation );
glVertexAttribPointer( offsetLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const void *) offset );
offset += sizeof(float) * 3;
int radiusLocation = program->attributeLocation( "a_radius" );
program->enableAttributeArray( radiusLocation );
glVertexAttribPointer( radiusLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const void *) offset );
}
void AxisRenderer::render(const AxisCamera &camera, QGLShaderProgram &program, QGLBuffer &vertBuffer, QGLBuffer &indexBuffer, bool selected)
{
qDebug()<<"[AxisRender] start of render";
initializeGLFunctions();
//bind the program for use
if(!program.bind()){
QMessageBox::critical(0, "Error", "Could not bind program for use");
qFatal("Could not bind program for use");
}
qDebug()<<"[AxisRender] Drawing";
//set up shader locations
program.bind();
GLint vertLoc = program.attributeLocation("vertex");
Q_ASSERT(vertLoc != -1);
GLint colorLoc = program.uniformLocation("color");
Q_ASSERT(colorLoc != -1);
GLint mvpLoc = program.uniformLocation("modelToCamera");
Q_ASSERT(mvpLoc != -1);
//set default color to a cyan
QVector4D color(0.0f, .5f, 1.0f, 1.0f);
//modify the color for selected geometry
if(selected){
qDebug()<<"[AxisRender] adding selection color";
color = color + QVector4D(1.0f, 0.0f, 0.0f, 0.0f);
}
//set the uniform values
program.setUniformValueArray(colorLoc, &color, 1);
program.setUniformValueArray(mvpLoc, &camera.getProjMatrix(), 1);
//bind and set the vertex buffer for attribute
vertBuffer.bind();
program.enableAttributeArray(vertLoc);
program.setAttributeBuffer(vertLoc, GL_FLOAT, 0, 4);
//bind the index buffer for the draw call
indexBuffer.bind();
qDebug()<<"[AxisRender] Drawing";
//draw the index buffer NOTE: Hard set to 24 values for a box!
glDrawElements(GL_LINES, 24, GL_UNSIGNED_INT, NULL);
}
/// @overload QGLWidget
void initializeGL(){
printf("OpenGL %d.%d\n",this->format().majorVersion(),this->format().minorVersion());
///--- Create an array object to store properties
{
bool success = vao.create();
Q_ASSERT(success);
vao.bind();
}
///--- Load/compile shaders
{
bool vok = program.addShaderFromSourceCode(QGLShader::Vertex, vshader);
bool fok = program.addShaderFromSourceCode(QGLShader::Fragment, fshader);
bool lok = program.link ();
Q_ASSERT(lok && vok && fok);
bool success = program.bind();
Q_ASSERT(success);
}
///--- Create vertex buffer/attributes "position"
{
static float vertices[] = {
-1.0000,-1.0000,+0.0000,
+1.0000,-1.0000,+0.0000,
-1.0000,+1.0000,+0.0000,
+1.0000,+1.0000,+0.0000,};
vertexbuffer = QGLBuffer(QGLBuffer::VertexBuffer);
bool success = vertexbuffer.create();
Q_ASSERT(success);
vertexbuffer.setUsagePattern( QGLBuffer::StaticDraw );
success = vertexbuffer.bind();
Q_ASSERT(success);
vertexbuffer.allocate( vertices, sizeof(vertices) );
program.setAttributeBuffer("position", GL_FLOAT, 0, 3 );
program.enableAttributeArray("position");
}
///--- Unbind to avoid pollution
vao.release();
program.release();
///--- Background
glClearColor(1.0, 1.0, 1.0, 1.0);
///--- Setup opengl flags
glDisable(GL_DEPTH_TEST);
}
void TextRenderer::renderOverlay( QString text, int x, int y, int width, int height, int renderMode )
{
glActiveTexture( GL_TEXTURE13 );
glBindTexture( GL_TEXTURE_2D, m_fontTextureGLuint[0] );
glBindBuffer( GL_ARRAY_BUFFER, vboIds[ 0 ] );
QGLShaderProgram* program = GLFunctions::getShader( "text" );
program->bind();
// Offset for position
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, 3*sizeof(float), (const void *) offset );
program->setUniformValue( "u_x", (float)x );
program->setUniformValue( "u_y", (float)y );
program->setUniformValue( "u_z", -0.6f );
program->setUniformValue( "u_width", (float)width );
program->setUniformValue( "u_height", (float)height );
program->setUniformValue( "u_scaleX", 1.0f );
program->setUniformValue( "u_scaleY", 1.0f );
program->setUniformValue( "u_sizeX", m_textSizeX / (float)width );
program->setUniformValue( "u_sizeY", m_textSizeY / (float)height );
program->setUniformValue( "u_textColor", m_textColor.redF(), m_textColor.greenF(), m_textColor.blueF() );
program->setUniformValue( "u_alpha", 1.0f );
program->setUniformValue( "u_renderMode", renderMode );
program->setUniformValue( "u_canvasSize", width, height );
program->setUniformValue( "fontTex", 13 );
program->setUniformValue( "D0", 9 );
program->setUniformValue( "D1", 10 );
program->setUniformValue( "D2", 11 );
program->setUniformValue( "P0", 12 );
program->setUniformValue( "u_overlay", 1 );
for ( int i = 0; i < text.size(); ++i )
{
QChar c = text.at( i );
program->setUniformValue( "u_char", (float)m_characterPositions[ c ] );
program->setUniformValue( "u_pos", (float)i );
glDrawArrays( GL_TRIANGLE_STRIP, 0, 4 );
}
glBindBuffer( GL_ARRAY_BUFFER, 0 );
}
void AxisRenderer::drawBrush(const M3DEditLevel::Box &brush, QGLShaderProgram &program, const AxisCamera &camera)
{
QVector<QVector3D> temp = brush.getVerticies();
QVector<GLfloat> verts;
//fill vector with brush verticies
for(int i = 0; i < temp.size(); ++i){
QVector3D vert = temp[i];
verts.push_back(vert.x());
verts.push_back(vert.y());
verts.push_back(vert.z());
verts.push_back(1.0f);
}
QVector<unsigned int> indicies = brush.getLineIndex();
//bind brush buffer and fill with verticies
QGLBuffer brushBuffer(QGLBuffer::VertexBuffer);
brushBuffer.create();
brushBuffer.bind();
brushBuffer.allocate(verts.data(), sizeof(GLfloat) * verts.size());
//bind index buffer and fill with indicies
QGLBuffer brushIndex(QGLBuffer::IndexBuffer);
brushIndex.create();
brushIndex.bind();
brushIndex.allocate(indicies.data(), sizeof(unsigned int) * indicies.size());
//set up uniforms
program.bind();
program.setUniformValueArray("color", &QVector4D(1.0f, 1.0f, 1.0f, 1.0f), 1);
program.setUniformValueArray("modelToCamera", &camera.getProjMatrix(), 1);
//set up buffers
brushBuffer.bind();
program.enableAttributeArray("vertex");
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
//draw brush. NOTE: Fixed 24 indicies for a box only!
brushIndex.bind();
glDrawElements(GL_LINES, 24, GL_UNSIGNED_INT, 0);
}
void AxisRenderer::drawCamLine(QVector3D from, QVector3D to, QGLShaderProgram &program, const AxisCamera &camera)
{
const GLfloat color[] ={1.0f, 0.0f, 0.0f, 1.0f}; //default red color
//temp vector to hold line verticies
std::vector<GLfloat> bufferData;
//from verticies
bufferData.push_back(from.x());
bufferData.push_back(from.y());
bufferData.push_back(from.z());
bufferData.push_back(1.0f);
//to verticies
bufferData.push_back(to.x());
bufferData.push_back(to.y());
bufferData.push_back(to.z());
bufferData.push_back(1.0f);
program.bind();
//create and fill line buffer with verticies
QGLBuffer line(QGLBuffer::VertexBuffer);
line.create();
line.bind();
line.allocate(bufferData.data(), sizeof(GLfloat) * 8);
//get locations
GLuint colorLoc = program.uniformLocation("color");
Q_ASSERT(colorLoc != -1);
GLuint mvpLoc = program.uniformLocation("modelToCamera");
Q_ASSERT(mvpLoc != -1);
//setup line for drawing
line.bind();
program.enableAttributeArray("vertex");
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
program.setUniformValueArray(colorLoc, color, 1, 4);
program.setUniformValueArray(mvpLoc, &(camera.getProjMatrix()), 1);
glDrawArrays(GL_LINES, 0, 2);
}
/*!
\reimp
*/
void QGLPerVertexColorEffect::setActive(QGLPainter *painter, bool flag)
{
#if defined(QGL_FIXED_FUNCTION_ONLY)
Q_UNUSED(painter);
if (flag) {
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
} else {
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
}
#else
Q_UNUSED(painter);
Q_D(QGLPerVertexColorEffect);
#if !defined(QGL_SHADERS_ONLY)
if (painter->isFixedFunction()) {
d->isFixedFunction = true;
if (flag) {
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
} else {
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
}
return;
}
#endif
static char const pvColorVertexShader[] =
"attribute highp vec4 vertex;\n"
"attribute mediump vec4 color;\n"
"uniform highp mat4 matrix;\n"
"varying mediump vec4 qColor;\n"
"void main(void)\n"
"{\n"
" gl_Position = matrix * vertex;\n"
" qColor = color;\n"
"}\n";
static char const pvColorFragmentShader[] =
"varying mediump vec4 qColor;\n"
"void main(void)\n"
"{\n"
" gl_FragColor = qColor;\n"
"}\n";
QGLShaderProgram *program =
painter->cachedProgram(QLatin1String("qt.color.pervertex"));
d->program = program;
if (!program) {
if (!flag)
return;
program = new QGLShaderProgram();
program->addShaderFromSourceCode(QGLShader::Vertex, pvColorVertexShader);
program->addShaderFromSourceCode(QGLShader::Fragment, pvColorFragmentShader);
program->bindAttributeLocation("vertex", QGL::Position);
program->bindAttributeLocation("color", QGL::Color);
if (!program->link()) {
qWarning("QGLPerVertexColorEffect::setActive(): could not link shader program");
delete program;
program = 0;
return;
}
painter->setCachedProgram(QLatin1String("qt.color.pervertex"), program);
d->program = program;
d->matrixUniform = program->uniformLocation("matrix");
program->bind();
program->enableAttributeArray(QGL::Position);
program->enableAttributeArray(QGL::Color);
} else if (flag) {
d->matrixUniform = program->uniformLocation("matrix");
program->bind();
program->enableAttributeArray(QGL::Position);
program->enableAttributeArray(QGL::Color);
} else {
program->disableAttributeArray(QGL::Position);
program->disableAttributeArray(QGL::Color);
program->release();
}
#endif
}
void FiberRenderer::draw( QMatrix4x4 p_matrix, QMatrix4x4 mv_matrix, int width, int height, int renderMode, PropertyGroup& props )
{
float alpha = props.get( Fn::Property::D_ALPHA ).toFloat();
if ( renderMode == 0 ) // picking
{
return;
}
else if ( renderMode == 1 ) // we are drawing opaque objects
{
if ( alpha < 1.0 )
{
// obviously not opaque
return;
}
}
else // we are drawing tranparent objects
{
if ( !(alpha < 1.0 ) )
{
// not transparent
return;
}
}
if ( m_updateExtraData )
{
updateExtraData( m_selectedExtraData );
}
QGLShaderProgram* program = GLFunctions::getShader( "fiber" );
program->bind();
GLFunctions::setupTextures();
GLFunctions::setTextureUniforms( GLFunctions::getShader( "fiber" ), "maingl" );
// Set modelview-projection matrix
program->setUniformValue( "mvp_matrix", p_matrix * mv_matrix );
program->setUniformValue( "mv_matrixInvert", mv_matrix.inverted() );
program->setUniformValue( "mv_matrixTI", mv_matrix.transposed().inverted() );
program->setUniformValue( "userTransformMatrix", props.get( Fn::Property::D_TRANSFORM ).value<QMatrix4x4>() );
initGeometry();
glBindBuffer( GL_ARRAY_BUFFER, vbo );
setShaderVars( props );
glBindBuffer( GL_ARRAY_BUFFER, dataVbo );
int extraLocation = program->attributeLocation( "a_extra" );
program->enableAttributeArray( extraLocation );
glVertexAttribPointer( extraLocation, 1, GL_FLOAT, GL_FALSE, sizeof(float), 0 );
glBindBuffer( GL_ARRAY_BUFFER, indexVbo );
int indexLocation = program->attributeLocation( "a_indexes" );
program->enableAttributeArray( indexLocation );
glVertexAttribPointer( indexLocation, 1, GL_FLOAT, GL_FALSE, sizeof(float), 0 );
program->setUniformValue( "u_alpha", alpha );
program->setUniformValue( "u_renderMode", renderMode );
program->setUniformValue( "u_canvasSize", width, height );
program->setUniformValue( "D0", 9 );
program->setUniformValue( "D1", 10 );
program->setUniformValue( "D2", 11 );
program->setUniformValue( "P0", 12 );
program->setUniformValue( "C5", 13 );
program->setUniformValue( "u_fibGrowth", props.get( Fn::Property::D_FIBER_GROW_LENGTH).toFloat() );
program->setUniformValue( "u_lighting", props.get( Fn::Property::D_LIGHT_SWITCH ).toBool() );
program->setUniformValue( "u_lightAmbient", props.get( Fn::Property::D_LIGHT_AMBIENT ).toFloat() );
program->setUniformValue( "u_lightDiffuse", props.get( Fn::Property::D_LIGHT_DIFFUSE ).toFloat() );
program->setUniformValue( "u_materialAmbient", props.get( Fn::Property::D_MATERIAL_AMBIENT ).toFloat() );
program->setUniformValue( "u_materialDiffuse", props.get( Fn::Property::D_MATERIAL_DIFFUSE ).toFloat() );
program->setUniformValue( "u_materialSpecular", props.get( Fn::Property::D_MATERIAL_SPECULAR ).toFloat() );
program->setUniformValue( "u_materialShininess", props.get( Fn::Property::D_MATERIAL_SHININESS ).toFloat() );
glLineWidth( props.get( Fn::Property::D_FIBER_THICKNESS ).toFloat() );
std::vector<bool>*selected = m_selector->getSelection();
int percent = props.get( Fn::Property::D_FIBER_THIN_OUT ).toFloat() * 10;
for ( unsigned int i = 0; i < m_fibs->size(); ++i )
{
if ( ( i % 1000 ) > percent )
{
continue;
}
if ( selected->at( i ) )
{
QColor c = m_fibs->at( i ).customColor();
program->setUniformValue( "u_color", c.redF(), c.greenF(), c.blueF(), 1.0 );
c = m_fibs->at( i ).globalColor();
program->setUniformValue( "u_globalColor", c.redF(), c.greenF(), c.blueF(), 1.0 );
glDrawArrays( GL_LINE_STRIP, m_startIndexes[i], m_pointsPerLine[i] );
}
else
{
if ( Models::getGlobal( Fn::Property::G_UNSELECTED_FIBERS_GREY ).toBool() )
{
program->setUniformValue( "u_color", .4f, .4f, .4f, 1.0 );
program->setUniformValue( "u_globalColor", .4f, .4f, .4f, 1.0 );
glDrawArrays( GL_LINE_STRIP, m_startIndexes[i], m_pointsPerLine[i] );
}
}
}
glBindBuffer( GL_ARRAY_BUFFER, 0 );
}
void TextRenderer::renderLabel( QMatrix4x4 p_matrix, QMatrix4x4 mv_matrix, QString text, float x, float y, float z, float alpha, int width, int height, int renderMode )
{
switch ( renderMode )
{
case 0:
break;
case 1:
{
if ( alpha < 1.0 ) // obviously not opaque
{
return;
}
break;
}
default:
{
if ( alpha == 1.0 ) // not transparent
{
return;
}
break;
}
}
glActiveTexture( GL_TEXTURE13 );
glBindTexture( GL_TEXTURE_2D, m_fontTextureGLuint[0] );
glBindBuffer( GL_ARRAY_BUFFER, vboIds[ 0 ] );
QGLShaderProgram* program = GLFunctions::getShader( "text" );
program->bind();
// Offset for position
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, 3*sizeof(float), (const void *) offset );
program->setUniformValue( "mvp_matrix", p_matrix * mv_matrix );
program->setUniformValue( "u_x", x );
program->setUniformValue( "u_y", y );
program->setUniformValue( "u_z", z );
program->setUniformValue( "u_width", (float)width );
program->setUniformValue( "u_height", (float)height );
program->setUniformValue( "u_scaleX", 1.0f );
program->setUniformValue( "u_scaleY", 1.0f );
program->setUniformValue( "u_sizeX", m_textSizeX / (float)width );
program->setUniformValue( "u_sizeY", m_textSizeY / (float)height );
program->setUniformValue( "u_textColor", m_textColor.redF(), m_textColor.greenF(), m_textColor.blueF() );
program->setUniformValue( "u_alpha", 1.0f );
program->setUniformValue( "u_renderMode", renderMode );
program->setUniformValue( "u_canvasSize", width, height );
program->setUniformValue( "fontTex", 13 );
program->setUniformValue( "D0", 9 );
program->setUniformValue( "D1", 10 );
program->setUniformValue( "D2", 11 );
program->setUniformValue( "P0", 12 );
program->setUniformValue( "u_overlay", 0 );
for ( int i = 0; i < text.size(); ++i )
{
QChar c = text.at( i );
program->setUniformValue( "u_char", (float)m_characterPositions[ c ] );
program->setUniformValue( "u_pos", (float)i );
glDrawArrays( GL_TRIANGLE_STRIP, 0, 4 );
}
glBindBuffer( GL_ARRAY_BUFFER, 0 );
}
void AxisRenderer::renderOrigin(QGLShaderProgram &program, const AxisCamera &camera)
{
qDebug()<<"[AxisRender] drawing origin lines";
initializeGLFunctions();
//data for the xline
const GLfloat xline[] = {
0.0f, 0.0f, 0.0f, 1.0f,
5.0f, 0.0f, 0.0f, 1.0f
};
//data for the yline
const GLfloat yline[] = {
0.0f, 0.0f, 0.0f, 1.0f,
0.0f, 5.0f, 0.0f, 1.0f
};
//data for the zline
const GLfloat zline[] = {
0.0f, 0.0f, 0.0f, 1.0f,
0.0f, 0.0f, 5.0f, 1.0f
};
//data for each line color
const GLfloat xcolor[] = { 1.0f, 0.0f, 0.0f, 1.0f};
const GLfloat ycolor[] = { 0.0f, 1.0f, 0.0f, 1.0f};
const GLfloat zcolor[] = { 1.0f, 0.0f, 1.0f, 1.0f};
//fill buffer for xline
QGLBuffer xbuff(QGLBuffer::VertexBuffer);
xbuff.create();
xbuff.bind();
xbuff.setUsagePattern(QGLBuffer::StaticDraw);
xbuff.allocate(xline, sizeof(xline));
//fill buffer for yline
QGLBuffer ybuff(QGLBuffer::VertexBuffer);
ybuff.create();
ybuff.bind();
ybuff.setUsagePattern(QGLBuffer::StaticDraw);
ybuff.allocate(yline, sizeof(yline));
//fill buffer for zline
QGLBuffer zbuff(QGLBuffer::VertexBuffer);
zbuff.create();
zbuff.bind();
zbuff.setUsagePattern(QGLBuffer::StaticDraw);
zbuff.allocate(zline, sizeof(zline));
program.bind();
//set the uniforms
GLuint colorLoc = program.uniformLocation("color");
Q_ASSERT(colorLoc != -1);
GLuint mvpLoc = program.uniformLocation("modelToCamera");
Q_ASSERT(mvpLoc != -1);
program.setUniformValueArray(mvpLoc, &(camera.getProjMatrix()), 1);
//bind then draw xline
xbuff.bind();
program.enableAttributeArray("vertex");
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
program.setUniformValueArray(colorLoc, xcolor, 1, 4);
glDrawArrays(GL_LINES, 0, 2);
//bind then draw yline
ybuff.bind();
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
program.setUniformValueArray(colorLoc, ycolor, 1, 4);
glDrawArrays(GL_LINES, 0, 2);
//bind then draw zline
zbuff.bind();
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
program.setUniformValueArray(colorLoc, zcolor, 1, 4);
glDrawArrays(GL_LINES, 0, 2);
//destroy the buffers(Probably should be created and stored for longer than one call but context issue)
xbuff.bind();
xbuff.destroy();
ybuff.bind();
ybuff.destroy();
zbuff.bind();
zbuff.destroy();
}
DrawCount PointArray::drawPoints(QGLShaderProgram& prog, const TransformState& transState,
double quality, bool incrementalDraw) const
{
GLuint vao = getVAO("points");
glBindVertexArray(vao);
GLuint vbo = getVBO("point_buffer");
glBindBuffer(GL_ARRAY_BUFFER, vbo);
TransformState relativeTrans = transState.translate(offset());
relativeTrans.setUniforms(prog.programId());
//printActiveShaderAttributes(prog.programId());
std::vector<ShaderAttribute> activeAttrs = activeShaderAttributes(prog.programId());
// Figure out shader locations for each point field
// TODO: attributeLocation() forces the OpenGL usage here to be
// synchronous. Does this matter? (Alternative: bind them ourselves.)
std::vector<const ShaderAttribute*> attributes;
for (size_t i = 0; i < m_fields.size(); ++i)
{
const GeomField& field = m_fields[i];
if (field.spec.isArray())
{
for (int j = 0; j < field.spec.count; ++j)
{
std::string name = tfm::format("%s[%d]", field.name, j);
attributes.push_back(findAttr(name, activeAttrs));
}
}
else
{
attributes.push_back(findAttr(field.name, activeAttrs));
}
}
// Zero out active attributes in case they don't have associated fields
GLfloat zeros[16] = {0};
for (size_t i = 0; i < activeAttrs.size(); ++i)
{
prog.setAttributeValue((int)i, zeros, activeAttrs[i].rows,
activeAttrs[i].cols);
}
// Enable attributes which have associated fields
for (size_t i = 0; i < attributes.size(); ++i)
{
if (attributes[i])
prog.enableAttributeArray(attributes[i]->location);
}
DrawCount drawCount;
ClipBox clipBox(relativeTrans);
// Draw points in each bucket, with total number drawn depending on how far
// away the bucket is. Since the points are shuffled, this corresponds to
// a stochastic simplification of the full point cloud.
V3f relCamera = relativeTrans.cameraPos();
std::vector<const OctreeNode*> nodeStack;
nodeStack.push_back(m_rootNode.get());
while (!nodeStack.empty())
{
const OctreeNode* node = nodeStack.back();
nodeStack.pop_back();
if (clipBox.canCull(node->bbox))
continue;
if (!node->isLeaf())
{
for (int i = 0; i < 8; ++i)
{
OctreeNode* n = node->children[i];
if (n)
nodeStack.push_back(n);
}
continue;
}
size_t idx = node->beginIndex;
if (!incrementalDraw)
node->nextBeginIndex = node->beginIndex;
DrawCount nodeDrawCount = node->drawCount(relCamera, quality, incrementalDraw);
drawCount += nodeDrawCount;
idx = node->nextBeginIndex;
if (nodeDrawCount.numVertices == 0)
continue;
if (m_fields.size() < 1)
continue;
long bufferSize = 0;
for (size_t i = 0; i < m_fields.size(); ++i)
{
const GeomField &field = m_fields[i];
unsigned int arraySize = field.spec.arraySize();
unsigned int vecSize = field.spec.vectorSize();
// tfm::printfln("FIELD-NAME: %s", field.name);
// tfm::printfln("AS: %i, VS: %i, FSS: %i, FSES: %i, GLBTFSS: %i", arraySize, vecSize, field.spec.size(), field.spec.elsize, sizeof(glBaseType(field.spec)));
bufferSize += arraySize * vecSize * field.spec.elsize; //sizeof(glBaseType(field.spec));
}
bufferSize = bufferSize * (GLsizei)nodeDrawCount.numVertices;
// TODO: might be able to do something more efficient here, for example use glBufferSubData to avoid re-allocation of memory by glBufferData
// INITIALIZE THE BUFFER TO FULL SIZE
// tfm::printfln("INIT BUFFER: %i, BS: %i", vbo, bufferSize);
glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)bufferSize, NULL, GL_STREAM_DRAW);
/// ========================================================================
/// ========================================================================
GLintptr bufferOffset = 0;
for (size_t i = 0, k = 0; i < m_fields.size(); k+=m_fields[i].spec.arraySize(), ++i)
{
const GeomField& field = m_fields[i];
int arraySize = field.spec.arraySize();
int vecSize = field.spec.vectorSize();
// TODO: should use a single data-array that isn't split into vertex / normal / color / etc. sections, but has interleaved data ?
// OpenGL has a stride value in glVertexAttribPointer for exactly this purpose, which should be used for better efficiency
// here we write only the current attribute data into this the buffer (e.g. all positions, then all colors)
bufferSize = arraySize * vecSize * field.spec.elsize * (GLsizei)nodeDrawCount.numVertices; //sizeof(glBaseType(field.spec))
char* bufferData = field.data.get() + idx*field.spec.size();
glBufferSubData(GL_ARRAY_BUFFER, bufferOffset, bufferSize, bufferData);
// tfm::printfln("UPDATE BUFFER: %i, BS: %i", vbo, bufferSize);
for (int j = 0; j < arraySize; ++j)
{
const ShaderAttribute* attr = attributes[k+j];
if (!attr)
continue;
// we have to create an intermediate buffer offsets for glVertexAttribPointer, but we can still upload the whole data array earlier !?
GLintptr intermediate_bufferOffset = bufferOffset + j*field.spec.elsize;
if (attr->baseType == TypeSpec::Int || attr->baseType == TypeSpec::Uint)
{
glVertexAttribIPointer(attr->location, vecSize,
glBaseType(field.spec), 0, (const GLvoid *)intermediate_bufferOffset);
}
else
{
glVertexAttribPointer(attr->location, vecSize,
glBaseType(field.spec),
field.spec.fixedPoint, 0, (const GLvoid *)intermediate_bufferOffset);
}
glEnableVertexAttribArray(attr->location);
}
bufferOffset += bufferSize;
}
glDrawArrays(GL_POINTS, 0, (GLsizei)nodeDrawCount.numVertices);
node->nextBeginIndex += nodeDrawCount.numVertices;
}
//tfm::printf("Drew %d of total points %d, quality %f\n", totDraw, m_npoints, quality);
// Disable all attribute arrays - leaving these enabled seems to screw with
// the OpenGL fixed function pipeline in unusual ways.
for (size_t i = 0; i < attributes.size(); ++i)
{
if (attributes[i])
prog.disableAttributeArray(attributes[i]->location);
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
return drawCount;
}
DrawCount PointArray::drawPoints(QGLShaderProgram& prog, const TransformState& transState,
double quality, bool incrementalDraw) const
{
TransformState relativeTrans = transState.translate(offset());
relativeTrans.setUniforms(prog.programId());
//printActiveShaderAttributes(prog.programId());
std::vector<ShaderAttribute> activeAttrs = activeShaderAttributes(prog.programId());
// Figure out shader locations for each point field
// TODO: attributeLocation() forces the OpenGL usage here to be
// synchronous. Does this matter? (Alternative: bind them ourselves.)
std::vector<const ShaderAttribute*> attributes;
for (size_t i = 0; i < m_fields.size(); ++i)
{
const GeomField& field = m_fields[i];
if (field.spec.isArray())
{
for (int j = 0; j < field.spec.count; ++j)
{
std::string name = tfm::format("%s[%d]", field.name, j);
attributes.push_back(findAttr(name, activeAttrs));
}
}
else
{
attributes.push_back(findAttr(field.name, activeAttrs));
}
}
// Zero out active attributes in case they don't have associated fields
GLfloat zeros[16] = {0};
for (size_t i = 0; i < activeAttrs.size(); ++i)
{
prog.setAttributeValue((int)i, zeros, activeAttrs[i].rows,
activeAttrs[i].cols);
}
// Enable attributes which have associated fields
for (size_t i = 0; i < attributes.size(); ++i)
{
if (attributes[i])
prog.enableAttributeArray(attributes[i]->location);
}
DrawCount drawCount;
ClipBox clipBox(relativeTrans);
// Draw points in each bucket, with total number drawn depending on how far
// away the bucket is. Since the points are shuffled, this corresponds to
// a stochastic simplification of the full point cloud.
V3f relCamera = relativeTrans.cameraPos();
std::vector<const OctreeNode*> nodeStack;
nodeStack.push_back(m_rootNode.get());
while (!nodeStack.empty())
{
const OctreeNode* node = nodeStack.back();
nodeStack.pop_back();
if (clipBox.canCull(node->bbox))
continue;
if (!node->isLeaf())
{
for (int i = 0; i < 8; ++i)
{
OctreeNode* n = node->children[i];
if (n)
nodeStack.push_back(n);
}
continue;
}
size_t idx = node->beginIndex;
if (!incrementalDraw)
node->nextBeginIndex = node->beginIndex;
DrawCount nodeDrawCount = node->drawCount(relCamera, quality, incrementalDraw);
drawCount += nodeDrawCount;
idx = node->nextBeginIndex;
if (nodeDrawCount.numVertices == 0)
continue;
for (size_t i = 0, k = 0; i < m_fields.size(); k+=m_fields[i].spec.arraySize(), ++i)
{
const GeomField& field = m_fields[i];
int arraySize = field.spec.arraySize();
int vecSize = field.spec.vectorSize();
for (int j = 0; j < arraySize; ++j)
{
const ShaderAttribute* attr = attributes[k+j];
if (!attr)
continue;
char* data = field.data.get() + idx*field.spec.size() +
j*field.spec.elsize;
if (attr->baseType == TypeSpec::Int || attr->baseType == TypeSpec::Uint)
{
glVertexAttribIPointer(attr->location, vecSize,
glBaseType(field.spec), 0, data);
}
else
{
glVertexAttribPointer(attr->location, vecSize,
glBaseType(field.spec),
field.spec.fixedPoint, 0, data);
}
}
}
glDrawArrays(GL_POINTS, 0, (GLsizei)nodeDrawCount.numVertices);
node->nextBeginIndex += nodeDrawCount.numVertices;
}
//tfm::printf("Drew %d of total points %d, quality %f\n", totDraw, m_npoints, quality);
// Disable all attribute arrays - leaving these enabled seems to screw with
// the OpenGL fixed function pipeline in unusual ways.
for (size_t i = 0; i < attributes.size(); ++i)
{
if (attributes[i])
prog.disableAttributeArray(attributes[i]->location);
}
return drawCount;
}
void DatasetIsoline::draw( QMatrix4x4 pMatrix, QMatrix4x4 mvMatrix, int width, int height, int renderMode, QString target )
{
bool renderAnySlice = m_properties["maingl"].get( Fn::Property::D_RENDER_AXIAL ).toBool() ||
m_properties["maingl"].get( Fn::Property::D_RENDER_CORONAL ).toBool() ||
m_properties["maingl"].get( Fn::Property::D_RENDER_SAGITTAL ).toBool();
if ( !properties( target ).get( Fn::Property::D_ACTIVE ).toBool() || ! renderAnySlice )
{
return;
}
if ( m_dirty )
{
initGeometry();
}
float alpha = 1.0; //GLFunctions::sliceAlpha[target];
switch ( renderMode )
{
case 0:
break;
case 1:
{
if ( alpha < 1.0 ) // obviously not opaque
{
return;
}
break;
}
default:
{
if ( alpha == 1.0 ) // not transparent
{
return;
}
break;
}
}
QGLShaderProgram* program = GLFunctions::getShader( "stipple" );
if ( ( m_vertCountAxial + m_vertCountCoronal + m_vertCountSagittal ) > 0 )
{
program->bind();
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, vbo0 );
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
GLFunctions::f->glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 8, (const void *) offset );
offset += sizeof(float) * 3;
int offsetLocation = program->attributeLocation( "a_vec" );
program->enableAttributeArray( offsetLocation );
GLFunctions::f->glVertexAttribPointer( offsetLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 8, (const void *) offset );
offset += sizeof(float) * 3;
int dirLocation = program->attributeLocation( "a_dir2" );
program->enableAttributeArray( dirLocation );
GLFunctions::f->glVertexAttribPointer( dirLocation, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 8, (const void *) offset );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, 0 );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, vbo1 );
int colorLocation = program->attributeLocation( "a_color" );
program->enableAttributeArray( colorLocation );
GLFunctions::f->glVertexAttribPointer( colorLocation, 4, GL_FLOAT, GL_FALSE, 0, 0 );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, 0 );
// Set modelview-projection matrix
program->setUniformValue( "mvp_matrix", pMatrix * mvMatrix );
program->setUniformValue( "u_scaling", 1.0f );
program->setUniformValue( "u_alpha", 1.0f );
program->setUniformValue( "u_renderMode", renderMode );
program->setUniformValue( "u_canvasSize", width, height );
program->setUniformValue( "D0", 9 );
program->setUniformValue( "D1", 10 );
program->setUniformValue( "D2", 11 );
program->setUniformValue( "P0", 12 );
program->setUniformValue( "u_aVec", 1., 0., 0. );
program->setUniformValue( "u_bVec", 0., 1., 0. );
program->setUniformValue( "u_orient", 0 );
program->setUniformValue( "u_glyphThickness", m_properties["maingl"].get( Fn::Property::D_LINE_WIDTH ).toFloat() );
program->setUniformValue( "u_glyphSize", m_properties["maingl"].get( Fn::Property::D_STIPPLE_GLYPH_SIZE ).toFloat() );
program->setUniformValue( "u_constantThickness", true );
if ( m_properties["maingl"].get( Fn::Property::D_RENDER_AXIAL ).toBool() && m_vertCountAxial > 0 )
{
glDrawArrays( GL_TRIANGLES, 0, m_vertCountAxial );
GLFunctions::getAndPrintGLError( "render stipples: opengl error" );
}
if ( m_properties["maingl"].get( Fn::Property::D_RENDER_CORONAL ).toBool() && m_vertCountCoronal > 0 )
{
program->setUniformValue( "u_aVec", 1., 0., 0. );
program->setUniformValue( "u_bVec", 0., 0., 1. );
program->setUniformValue( "u_orient", 1 );
glDrawArrays( GL_TRIANGLES, m_vertCountAxial, m_vertCountCoronal );
GLFunctions::getAndPrintGLError( "render stipples: opengl error" );
}
if ( m_properties["maingl"].get( Fn::Property::D_RENDER_SAGITTAL ).toBool() && m_vertCountSagittal > 0 )
{
program->setUniformValue( "u_aVec", 0., 1., 0. );
program->setUniformValue( "u_bVec", 0., 0., 1. );
program->setUniformValue( "u_orient", 2 );
glDrawArrays( GL_TRIANGLES, m_vertCountAxial + m_vertCountCoronal, m_vertCountSagittal );
GLFunctions::getAndPrintGLError( "render stipples: opengl error" );
}
}
if ( ( m_stripeVertCountAxial + m_stripeVertCountCoronal + m_stripeVertCountSagittal ) > 0 )
{
program->bind();
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, vbo2 );
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
GLFunctions::f->glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 8, (const void *) offset );
offset += sizeof(float) * 3;
int offsetLocation = program->attributeLocation( "a_vec" );
program->enableAttributeArray( offsetLocation );
GLFunctions::f->glVertexAttribPointer( offsetLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 8, (const void *) offset );
offset += sizeof(float) * 3;
int dirLocation = program->attributeLocation( "a_dir2" );
program->enableAttributeArray( dirLocation );
GLFunctions::f->glVertexAttribPointer( dirLocation, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 8, (const void *) offset );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, 0 );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, vbo3 );
int colorLocation = program->attributeLocation( "a_color" );
program->enableAttributeArray( colorLocation );
GLFunctions::f->glVertexAttribPointer( colorLocation, 4, GL_FLOAT, GL_FALSE, 0, 0 );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, 0 );
// Set modelview-projection matrix
program->setUniformValue( "mvp_matrix", pMatrix * mvMatrix );
program->setUniformValue( "u_scaling", 1.0f );
program->setUniformValue( "u_alpha", 1.0f );
program->setUniformValue( "u_renderMode", renderMode );
program->setUniformValue( "u_canvasSize", width, height );
program->setUniformValue( "D0", 9 );
program->setUniformValue( "D1", 10 );
program->setUniformValue( "D2", 11 );
program->setUniformValue( "P0", 12 );
program->setUniformValue( "u_aVec", 1., 0., 0. );
program->setUniformValue( "u_bVec", 0., 1., 0. );
program->setUniformValue( "u_orient", 0 );
program->setUniformValue( "u_glyphThickness", m_properties["maingl"].get( Fn::Property::D_ISOLINE_STRIPES_WIDTH ).toFloat() );
program->setUniformValue( "u_glyphSize", m_properties["maingl"].get( Fn::Property::D_STIPPLE_GLYPH_SIZE ).toFloat() );
program->setUniformValue( "u_constantThickness", true );
if ( m_properties["maingl"].get( Fn::Property::D_RENDER_AXIAL ).toBool() && m_stripeVertCountAxial > 0 )
{
glDrawArrays( GL_TRIANGLES, 0, m_stripeVertCountAxial );
GLFunctions::getAndPrintGLError( "render stipples: opengl error" );
}
if ( m_properties["maingl"].get( Fn::Property::D_RENDER_CORONAL ).toBool() && m_stripeVertCountCoronal > 0 )
{
program->setUniformValue( "u_aVec", 1., 0., 0. );
program->setUniformValue( "u_bVec", 0., 0., 1. );
program->setUniformValue( "u_orient", 1 );
glDrawArrays( GL_TRIANGLES, m_stripeVertCountAxial, m_stripeVertCountCoronal );
GLFunctions::getAndPrintGLError( "render stipples: opengl error" );
}
if ( m_properties["maingl"].get( Fn::Property::D_RENDER_SAGITTAL ).toBool() && m_stripeVertCountSagittal > 0 )
{
program->setUniformValue( "u_aVec", 0., 1., 0. );
program->setUniformValue( "u_bVec", 0., 0., 1. );
program->setUniformValue( "u_orient", 2 );
glDrawArrays( GL_TRIANGLES, m_stripeVertCountAxial + m_stripeVertCountCoronal, m_stripeVertCountSagittal );
GLFunctions::getAndPrintGLError( "render stipples: opengl error" );
}
}
}
/// @overload QGLWidget
void initializeGL(){
printf("OpenGL %d.%d\n",this->format().majorVersion(),this->format().minorVersion());
///--- Background
glClearColor(1.0, 1.0, 1.0, 1.0);
///--- Viewport (simple, for unresizeable window)
glViewport(0, 0, this->width(), this->height());
///--- Setup opengl flags
glEnable(GL_DEPTH_TEST);
///--- Create the triangle index buffer
{
assert(mesh.is_triangle_mesh());
triangles.clear();
for(auto f: mesh.faces())
for(auto v: mesh.vertices(f))
triangles.push_back(v.idx());
}
///--- Create an array object to store properties
{
bool success = vao.create();
assert(success);
vao.bind();
}
///--- Load/compile shaders
{
bool vok = program.addShaderFromSourceFile(QGLShader::Vertex, ":/vshader.glsl");
bool fok = program.addShaderFromSourceFile(QGLShader::Fragment, ":/fshader.glsl");
bool lok = program.link ();
assert(lok && vok && fok);
bool success = program.bind();
assert(success);
}
///--- Create vertex buffer/attributes "position"
{
auto vpoints = mesh.get_vertex_property<Vec3>("v:point");
bool success = vertexbuffer.create();
assert(success);
vertexbuffer.setUsagePattern( QGLBuffer::StaticDraw );
success = vertexbuffer.bind();
assert(success);
vertexbuffer.allocate( vpoints.data(), sizeof(Vec3) * mesh.n_vertices() );
program.setAttributeBuffer("vpoint", GL_FLOAT, 0, 3 );
program.enableAttributeArray("vpoint");
}
///--- Create vertex buffer/attributes "normal"
{
auto vnormal = mesh.get_vertex_property<Vec3>("v:normal");
bool success = normalbuffer.create();
assert(success);
normalbuffer.setUsagePattern( QGLBuffer::StaticDraw );
success = normalbuffer.bind();
assert(success);
normalbuffer.allocate( vnormal.data(), sizeof(Vec3) * mesh.n_vertices() );
program.setAttributeBuffer("vnormal", GL_FLOAT, 0, 3 );
program.enableAttributeArray("vnormal");
}
///--- Create the index "triangle" buffer
{
bool success = indexbuffer.create();
assert(success);
indexbuffer.setUsagePattern( QGLBuffer::StaticDraw );
success = indexbuffer.bind();
assert(success);
indexbuffer.allocate(&triangles[0], triangles.size()*sizeof(unsigned int));
}
#ifdef WITH_QGLVIEWER
///--- Setup camera
{
Box3 bbox = OpenGP::bounding_box(mesh);
camera()->setType(qglviewer::Camera::ORTHOGRAPHIC);
camera()->setSceneCenter(qglviewer::tr(bbox.center()));
camera()->setSceneRadius(bbox.diagonal().norm()/2.0);
camera()->showEntireScene();
}
#endif
///--- Unbind to avoid pollution
vao.release();
program.release();
}
void DatasetPlane::draw( QMatrix4x4 pMatrix, QMatrix4x4 mvMatrix, int width, int height, int renderMode, QString target )
{
if ( !properties( target ).get( Fn::Property::D_ACTIVE ).toBool() )
{
return;
}
QVector3D h0 = m_properties["maingl"].get( Fn::Property::D_HANDLE_0 ).value<QVector3D>();
QVector3D h1 = m_properties["maingl"].get( Fn::Property::D_HANDLE_1 ).value<QVector3D>();
QVector3D h2 = m_properties["maingl"].get( Fn::Property::D_HANDLE_2 ).value<QVector3D>();
if ( m_properties["maingl"].get( Fn::Property::D_SHOW_PLANE_HANDLES ).toBool() )
{
QColor color = m_properties["maingl"].get( Fn::Property::D_HANDLE_COLOR ).value<QColor>();
color.setAlpha( 254 );
GLFunctions::renderSphere( pMatrix, mvMatrix, h0.x(), h0.y(), h0.z(), 5, 5, 5,
color, m_handle0, width, height, renderMode );
GLFunctions::renderSphere( pMatrix, mvMatrix, h1.x(), h1.y(), h1.z(), 5, 5, 5,
color, m_handle1, width, height, renderMode );
GLFunctions::renderSphere( pMatrix, mvMatrix, h2.x(), h2.y(), h2.z(), 5, 5, 5,
color, m_handle2, width, height, renderMode );
}
if ( dirty )
{
initGeometry();
}
float alpha = GLFunctions::sliceAlpha[target];
switch ( renderMode )
{
case 0:
break;
case 1:
{
if ( alpha < 1.0 ) // obviously not opaque
{
return;
}
break;
}
default:
{
if ( alpha == 1.0 ) // not transparent
{
return;
}
break;
}
}
if ( !GLFunctions::setupTextures() )
{
return;
}
QGLShaderProgram* program = GLFunctions::getShader( "slice" );
program->bind();
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, vbo0 );
intptr_t offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation( "a_position" );
program->enableAttributeArray( vertexLocation );
GLFunctions::f->glVertexAttribPointer( vertexLocation, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 3, (const void *) offset );
// Set modelview-projection matrix
program->setUniformValue( "mvp_matrix", pMatrix * mvMatrix );
program->setUniformValue( "u_alpha", alpha );
program->setUniformValue( "u_renderMode", renderMode );
program->setUniformValue( "u_canvasSize", width, height );
program->setUniformValue( "D0", 9 );
program->setUniformValue( "D1", 10 );
program->setUniformValue( "D2", 11 );
program->setUniformValue( "P0", 12 );
GLFunctions::setTextureUniforms( program, target );
// Draw cube geometry using indices from VBO 0
glDrawArrays( GL_TRIANGLE_STRIP, 0, 4 );
GLFunctions::f->glBindBuffer( GL_ARRAY_BUFFER, 0 );
}
void AxisRenderer::drawGrid(int gridSize, QGLShaderProgram &program,const AxisCamera &camera)
{
qDebug()<< "[AxisRender] Drawing Grid";
int gridNumber = camera.getGridFactor() * 2; //double size of grid to ensure it covers entire view
float lineLimit = gridNumber * gridSize; //bounds of grid for this size and number
qDebug()<< "[AxisRender] lineLimit = " << lineLimit;
//general xline for grid
float lineX[] = {lineLimit, 0.0f, 0.0f, 1.0f,
-lineLimit, 0.0f, 0.0f, 1.0f};
//general yline for grid
float lineY[] = { 0.0f, lineLimit, 0.0f, 1.0f,
0.0f, -lineLimit, 0.0f, 1.0f};
//general zline for grid
float lineZ[] = {0.0f, 0.0f, lineLimit, 1.0f,
0.0f, 0.0f, -lineLimit, 1.0f};
//bind and fill xline buffer
program.bind();
QGLBuffer bufferX(QGLBuffer::VertexBuffer);
bufferX.setUsagePattern(QGLBuffer::StaticDraw);
bufferX.create();
bufferX.bind();
bufferX.allocate(lineX,sizeof(lineX));
//bind and fill yline buffer
QGLBuffer bufferY(QGLBuffer::VertexBuffer);
bufferY.setUsagePattern(QGLBuffer::StaticDraw);
bufferY.create();
bufferY.bind();
bufferY.allocate(lineY, sizeof(lineY));
//bind and fill zline buffer
QGLBuffer bufferZ(QGLBuffer::VertexBuffer);
bufferZ.setUsagePattern(QGLBuffer::StaticDraw);
bufferZ.create();
bufferZ.bind();
bufferZ.allocate(lineZ, sizeof(lineZ));
QMatrix4x4 mvp;
QMatrix4x4 vp = camera.getProjMatrix();
QMatrix4x4 m;
//find the offest based on camera position
QVector3D pos = camera.getPosistion();
int xoff = pos.x() / gridSize;
int yoff = pos.y() / gridSize;
int zoff = pos.z() / gridSize;
//set color uniform to grey
QVector4D color(0.3f, 0.3f, 0.3f, 1.0f);
program.setUniformValueArray("color", &color, 1);
//draw each line
program.enableAttributeArray("vertex");
for(int i = -gridNumber; i <= gridNumber; ++i){
//x lines only for XY and XZ Axis
if(camera.getLock() == XY || camera.getLock() == XZ)
{
bufferX.bind();
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
//use model matrix to translate each line with offset
m.setToIdentity();
m.translate(0.0f + (xoff * gridSize), (i + yoff) * gridSize, (i + zoff) * gridSize);
mvp = vp * m ;//set mvp up
//set mvp uniform then draw
program.setUniformValueArray("modelToCamera", &mvp, 1);
glDrawArrays(GL_LINES, 0, 2);
}
//y lines for XY and YZ axis only
if(camera.getLock() == XY || camera.getLock() == YZ)
{
bufferY.bind();
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
//use model matrix to translate each line with offset
m.setToIdentity();
m.translate((i + xoff) * gridSize, 0.0f + (yoff * gridSize) ,(i + zoff) * gridSize);
mvp = vp * m;
//set mvp uniform and draw
program.setUniformValueArray("modelToCamera", &mvp, 1);
glDrawArrays(GL_LINES, 0, 2);
}
//z lines
if(camera.getLock() == XZ || camera.getLock() == YZ)
{
bufferZ.bind();
program.setAttributeBuffer("vertex", GL_FLOAT, 0, 4);
//use model matrix to translate each line with offset
m.setToIdentity();
m.translate((i + xoff) * gridSize, (i + yoff) * gridSize ,0.0f + (zoff * gridSize));
mvp = vp * m;
//set mvp uniform then draw
program.setUniformValueArray("modelToCamera", &mvp, 1);
glDrawArrays(GL_LINES, 0, 2);
}
}
}
