void QVROSGViewer::render(QVRWindow* /* w */,
const QVRRenderContext& context, int viewPass, unsigned int texture)
{
// Set up framebuffer object to render into
GLint width, height;
glBindTexture(GL_TEXTURE_2D, texture);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &height);
glBindTexture(GL_TEXTURE_2D, _fboDepthTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, width, height,
0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture, 0);
// Set up OSG graphics window
_graphicsWindow->resized(0, 0, width, height);
// Set up OSG camera
QMatrix4x4 P = context.frustum(viewPass).toMatrix4x4();
_viewer.getCamera()->setProjectionMatrix(osg::Matrix(P.constData()));
QMatrix4x4 V = context.viewMatrix(viewPass);
_viewer.getCamera()->setViewMatrix(osg::Matrix(V.constData()));
// Render
_viewer.frame();
}
/*!
Sets argument \a index for this kernel to \a value.
The argument is assumed to have been declared with the
type \c float16.
*/
void QCLKernel::setArg(int index, const QMatrix4x4 &value)
{
if (sizeof(qreal) == sizeof(float)) {
clSetKernelArg(m_kernelId, index, sizeof(float) * 16, value.constData());
} else {
float values[16];
for (int posn = 0; posn < 16; ++posn)
values[posn] = float(value.constData()[posn]);
clSetKernelArg(m_kernelId, index, sizeof(values), values);
}
}
static void setMatrix(GLenum type, const QMatrix4x4 &matrix)
{
glMatrixMode(type);
if (sizeof(qreal) == sizeof(GLfloat)) {
glLoadMatrixf(reinterpret_cast<const GLfloat *>(matrix.constData()));
} else {
GLfloat mat[16];
const qreal *m = matrix.constData();
for (int index = 0; index < 16; ++index)
mat[index] = m[index];
glLoadMatrixf(mat);
}
}
static inline void qMultMatrix( const QMatrix4x4 &mat )
{
if (sizeof(qreal) == sizeof(GLfloat))
glMultMatrixf( (GLfloat*) mat.constData() );
#ifndef QT_OPENGL_ES
else if (sizeof(qreal) == sizeof(GLdouble))
glMultMatrixd( (GLdouble*) mat.constData() );
#endif
else {
GLfloat fmat[16];
qreal const *r = mat.constData();
for (int i = 0; i < 16; ++i)
fmat[i] = r[i];
glMultMatrixf( fmat );
}
}
void ProjectileNode::draw(std::stack<QMatrix4x4> &MVStack, QMatrix4x4 cameraMatrix, QMatrix4x4 projectionMatrix, QOpenGLShaderProgram *shader) {
Shaders::bind(shader);
MVStack.push(MVStack.top());
MVStack.top().translate(this->translation);
//Convert the quat to a matrix, may be a performance leak.
QMatrix4x4 tempRot;
tempRot.rotate(this->rotation.normalized());
MVStack.top() *= tempRot;
//If the node is a leaf, draw its contents
if(leaf) {
glUniformMatrix4fv(shader->uniformLocation("modelViewMatrix"), 1, GL_FALSE, MVStack.top().constData());
glUniformMatrix4fv(shader->uniformLocation("perspectiveMatrix"), 1, GL_FALSE, projectionMatrix.constData());
glUniformMatrix4fv(shader->uniformLocation("normalMatrix"), 1, GL_FALSE, MVStack.top().inverted().transposed().constData());
int r = (id & 0x000000FF) >> 0;
int g = (id & 0x0000FF00) >> 8;
int b = (id & 0x00FF0000) >> 16;
glUniform4f(shader->uniformLocation("id"), r/255.0f, g/255.0f, b/255.0f, 1.0f);
glUniform4fv(shader->uniformLocation("color"), 1, color);
this->primitive->draw();
} else {
void GraphicsLayer13::setProjection(const QMatrix4x4& matrix)
{
GLfloat projection[16];
convertMatrix(matrix.constData(), projection);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(projection);
glMatrixMode(GL_MODELVIEW);
}
QString Qgs3DUtils::matrix4x4toString( const QMatrix4x4 &m )
{
const float *d = m.constData();
QStringList elems;
elems.reserve( 16 );
for ( int i = 0; i < 16; ++i )
elems << QString::number( d[i] );
return elems.join( ' ' );
}
//! [2]
void Patch::draw() const
{
glPushMatrix();
glMultMatrixf(mat.constData());
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, faceColor);
const GLushort *indices = geom->faces.constData();
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, indices + start);
glPopMatrix();
}
static void mulMatrix(QMatrix4x4 const& mat)
{
double static_mat[16];
qreal const* mat_data = mat.constData();
for (int i = 0; i < 16; ++i)
{
static_mat[i] = mat_data[i];
}
glMultMatrixd(static_mat);
}
void GeometryEngine::drawNodeGeometry(Node* n)
{
int m44size = 4 * sizeof(QVector4D);
QMatrix4x4 m;
m.setToIdentity();
m.translate( n->m_position.x(), n->m_position.y(), 0 );
m_modelsBuffer.write(((char*)m.constData()), m44size);
m_numNodesToRender++;
}
void MyWindow::render()
{
if(!isVisible() || !isExposed())
return;
if (!mContext->makeCurrent(this))
return;
static bool initialized = false;
if (!initialized) {
initialize();
initialized = true;
}
if (mUpdateSize) {
glViewport(0, 0, size().width(), size().height());
mUpdateSize = false;
}
static float EvolvingVal = 0;
EvolvingVal += 0.1f;
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
QMatrix4x4 RotationMatrix;
RotationMatrix.rotate(EvolvingVal, QVector3D(0.0f, 0.0f, 0.1f));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
mFuncs->glBindVertexBuffer(0, mPositionBufferHandle, 0, sizeof(GLfloat) * 3);
mFuncs->glBindVertexBuffer(1, mColorBufferHandle, 0, sizeof(GLfloat) * 3);
mFuncs->glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(0, 0);
mFuncs->glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(1, 1);
mProgram->bind();
{
glUniformMatrix4fv(mRotationMatrixLocation, 1, GL_FALSE, RotationMatrix.constData());
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
}
mProgram->release();
mContext->swapBuffers(this);
}
void GameScene::renderWorld(const QMatrix4x4 &view,const QMatrix4x4 &rview)
{
if(glActiveTexture){
glActiveTexture(GL_TEXTURE0);
blockTexture->bind();
}
glLineWidth(2.0f);
lineProgram->bind();
line->draw(); //画十字准心
lineProgram->release();
glLoadMatrixf(rview.constData());
glMultMatrixf(view.constData());
blockProgram->bind();
blockProgram->setUniformValue("tex",GLint(0));
blockProgram->setUniformValue("view",view*rview);
world->draw();
blockProgram->release();
QVector3D keyPosition=camera->getKeyPosition();
if(keyPosition.y()>=0){
lineQua->clear();
for(int i=0;i<12;i++){
lineQua->addLine(linePoints[i][0]+keyPosition,linePoints[i][1]+keyPosition);
}
lineProgram->bind();
lineQua->draw();
lineProgram->release();
}
if(glActiveTexture){
glActiveTexture(GL_TEXTURE0);
blockTexture->unbind();
}
}
void Scene3D::paintGL()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// glTranslatef(xTra, yTra, zTra);
glScalef(nSca, nSca, nSca);
/*glRotatef(xRot, 1, 0, 0);
glRotatef(yRot, 0, 1, 0);
glRotatef(zRot, 0, 0, 1);*/
QMatrix4x4 m;
m.rotate(trackball.rotation());
glMultMatrixf(m.constData());
drawAxis();
drawFigure();
}
void SeaNode::draw(std::stack<QMatrix4x4> &MVStack, QMatrix4x4 cameraMatrix, QMatrix4x4 projectionMatrix, QOpenGLShaderProgram *shader) {
QOpenGLShaderProgram *sh = Shaders::waterGeometryProgram;
MVStack.push(MVStack.top());
MVStack.top().translate(this->translation);
//Convert the quat to a matrix, may be a performance leak.
QMatrix4x4 tempRot;
tempRot.rotate(this->rotation.normalized());
MVStack.top() *= tempRot;
//If the node is a leaf, draw its contents
if(leaf) {
Shaders::bind(sh);
glUniformMatrix4fv(sh->uniformLocation("modelViewMatrix"), 1, GL_FALSE, MVStack.top().constData());
glUniformMatrix4fv(sh->uniformLocation("cameraInverseMatrix"), 1, GL_FALSE, cameraMatrix.inverted().constData());
glUniformMatrix4fv(sh->uniformLocation("perspectiveMatrix"), 1, GL_FALSE, projectionMatrix.constData());
glUniformMatrix4fv(sh->uniformLocation("normalMatrix"), 1, GL_FALSE, MVStack.top().inverted().transposed().constData());
int r = (id & 0x000000FF) >> 0;
int g = (id & 0x0000FF00) >> 8;
int b = (id & 0x00FF0000) >> 16;
glUniform4f(sh->uniformLocation("id"), r/255.0f, g/255.0f, b/255.0f, 1.0f);
glUniform4fv(sh->uniformLocation("color"), 1, color);
struct timeval start;
gettimeofday(&start, NULL);
float seconds = ((start.tv_sec % (int) periodicity) + start.tv_usec / 1000000.0) / (periodicity / 4);
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_3D, noiseTexture);
//glUniform1i(sh->uniformLocation("noiseTexture"), 5);
glUniform1i(sh->uniformLocation("seaWidth"), seaWidth);
glUniform1i(sh->uniformLocation("seaHeight"), seaHeight);
glUniform1f(sh->uniformLocation("time"), seconds);
this->primitive->draw();
Shaders::release(sh);
} else {
void Visu3D::makeLandMark(QMatrix4x4 mTransformation){
// repere
glMatrixMode(GL_MODELVIEW);
glLoadMatrixd(mTransformation.constData());
glLineWidth(2.5);
glColor3f(1.0, 0.0, 0.0);
glBegin(GL_LINES);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(1, 0, 0);
glEnd();
glColor3f(0.0, 1.0, 0.0);
glBegin(GL_LINES);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0, 1, 0);
glEnd();
glColor3f(0.0, 0.0, 1.0);
glBegin(GL_LINES);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0, 0, 1);
glEnd();
}
void GraphicsLayer13::setModelview(const QMatrix4x4& matrix)
{
GLfloat modelview[16];
convertMatrix(matrix.constData(), modelview);
glLoadMatrixf(modelview);
}
void OculusRiftNode::render( qint64 pTimeStamp, QUuid pSourcePinId )
{
Q_UNUSED( pSourcePinId )
#if !defined( OCULUS_PLUGIN_SUPPORTED )
Q_UNUSED( pTimeStamp )
#else
fugio::Performance Perf( mNode, "drawGeometry", pTimeStamp );
if( !mNode->isInitialised() )
{
return;
}
if( !mOculusRift->hmd() )
{
return;
}
// We need to keep a reference to ourselves here as ovr_SubmitFrame can
// call the main app event loop, which can close the context and delete us!
QSharedPointer<fugio::NodeControlInterface> C = mNode->control();
mOculusRift->drawStart();
const float NearPlane = variant( mPinNearPlane ).toFloat();
const float FarPlane = variant( mPinFarPlane ).toFloat();
// float Yaw(3.141592f);
// Vector3f Pos2(0.0f,1.6f,-5.0f);
// Pos2.y = ovrHmd_GetFloat(mHMD, OVR_KEY_EYE_HEIGHT, Pos2.y);
QMatrix4x4 MatEye = variant( mPinViewMatrix ).value<QMatrix4x4>();
QVector3D TrnEye = MatEye.column( 3 ).toVector3D();
MatEye.setColumn( 3, QVector4D( 0, 0, 0, 1 ) );
const Vector3f Pos2( TrnEye.x(), TrnEye.y(), TrnEye.z() );
Matrix4f tempRollPitchYaw;
memcpy( tempRollPitchYaw.M, MatEye.constData(), sizeof( float ) * 16 );
const Matrix4f rollPitchYaw = tempRollPitchYaw;
// Render Scene to Eye Buffers
for (int eye = 0; eye < 2; eye++)
{
mOculusRift->drawEyeStart( eye );
// Get view and projection matrices
//Matrix4f rollPitchYaw = Matrix4f( MatEye.transposed().data() );
Matrix4f finalRollPitchYaw = rollPitchYaw * Matrix4f( mOculusRift->eyeRenderPos( eye ).Orientation);
Vector3f finalUp = finalRollPitchYaw.Transform(Vector3f(0, 1, 0));
Vector3f finalForward = finalRollPitchYaw.Transform(Vector3f(0, 0, -1));
Vector3f shiftedEyePos = Pos2 + rollPitchYaw.Transform( mOculusRift->eyeRenderPos( eye ).Position );
Matrix4f view = Matrix4f::LookAtRH(shiftedEyePos, shiftedEyePos + finalForward, finalUp);
Matrix4f proj = ovrMatrix4f_Projection( mOculusRift->defaultEyeFOV( eye ), NearPlane, FarPlane, ovrProjection_None );
mProjection->setVariant( QMatrix4x4( &proj.M[ 0 ][ 0 ], 4, 4 ).transposed() );
mView->setVariant( QMatrix4x4( &view.M[ 0 ][ 0 ], 4, 4 ).transposed() );
fugio::OpenGLStateInterface *CurrentState = 0;
for( QSharedPointer<fugio::PinInterface> P : mNode->enumInputPins() )
{
if( !P->isConnected() )
{
continue;
}
if( P->connectedPin().isNull() )
{
continue;
}
if( P->connectedPin()->control().isNull() )
{
continue;
}
QObject *O = P->connectedPin()->control()->qobject();
if( !O )
{
continue;
}
if( true )
{
fugio::RenderInterface *Geometry = qobject_cast<fugio::RenderInterface *>( O );
if( Geometry )
{
Geometry->render( pTimeStamp );
continue;
}
}
if( true )
{
fugio::OpenGLStateInterface *NextState = qobject_cast<fugio::OpenGLStateInterface *>( O );
if( NextState != 0 )
{
if( CurrentState != 0 )
{
CurrentState->stateEnd();
}
CurrentState = NextState;
CurrentState->stateBegin();
continue;
}
}
}
if( CurrentState != 0 )
{
CurrentState->stateEnd();
}
mOculusRift->drawEyeEnd( eye );
}
mOculusRift->drawEnd();
pinUpdated( mPinProjection );
pinUpdated( mPinView );
#endif
}
void ShaderNode::updateUniforms( QList<ShaderBindData> &Bindings, qint64 pTimeStamp )
{
bool NumberOK;
for( ShaderUniformMap::iterator it = mShaderUniformTypes.begin() ; it != mShaderUniformTypes.end() ; it++ )
{
ShaderUniformData &UniformData = it.value();
QSharedPointer<InterfacePin> PIN = mNode->findPinByName( it.key() );
if( PIN == 0 )
{
continue;
}
if( !PIN->isConnected() )
{
continue;
}
QSharedPointer<InterfacePinControl> PinControl = PIN->connectedPin()->control();
if( PinControl == 0 )
{
continue;
}
if( UniformData.mSampler && UniformData.mSize == 1 )
{
bindTexture( Bindings, PinControl, UniformData );
continue;
}
// if( mLastShaderLoad < pTimeStamp )//&& !PIN->isUpdated( pTimeStamp ) )
// {
// if( PIN->controlUuid() == PID_TRIGGER )
// {
// switch( UniformData.mType )
// {
// case GL_BOOL:
// glUniform1f( UniformData.mLocation, false );
// break;
// }
// }
// continue;
// }
if( true )
{
InterfaceVariant *PinVariant = qobject_cast<InterfaceVariant *>( PinControl->object() );
if( PinVariant != 0 )
{
switch( UniformData.mType )
{
case GL_BOOL:
{
GLboolean NewVal = PinVariant->variant().toBool();
glUniform1ui( UniformData.mLocation, NewVal );
}
break;
case GL_INT:
{
GLint NewVal = PinVariant->variant().toInt( &NumberOK );
if( NumberOK )
{
glUniform1i( UniformData.mLocation, NewVal );
}
}
break;
case GL_FLOAT:
{
GLfloat NewVal = PinVariant->variant().toFloat( &NumberOK );
if( NumberOK )
{
glUniform1f( UniformData.mLocation, NewVal );
}
}
break;
case GL_FLOAT_VEC2:
{
QVector2D Vec2 = PinVariant->variant().value<QVector2D>();
glUniform2f( UniformData.mLocation, Vec2.x(), Vec2.y() );
}
break;
case GL_FLOAT_VEC3:
{
QVector3D Vec3 = PinVariant->variant().value<QVector3D>();
glUniform3f( UniformData.mLocation, Vec3.x(), Vec3.y(), Vec3.z() );
}
break;
case GL_FLOAT_VEC4:
{
QVector4D Vec4 = PinVariant->variant().value<QVector4D>();
glUniform4f( UniformData.mLocation, Vec4.x(), Vec4.y(), Vec4.z(), Vec4.w() );
}
break;
case GL_FLOAT_MAT2:
{
QMatrix4x4 Mat4 = PinVariant->variant().value<QMatrix4x4>();
QMatrix2x2 Mat2 = Mat4.toGenericMatrix<2,2>();
glUniformMatrix2fv( UniformData.mLocation, 1, GL_FALSE, Mat2.constData() );
}
break;
case GL_FLOAT_MAT3:
{
QMatrix4x4 Mat4 = PinVariant->variant().value<QMatrix4x4>();
QMatrix3x3 Mat3 = Mat4.toGenericMatrix<3,3>();
//qDebug() << Mat4;
//qDebug() << Mat3;
glUniformMatrix3fv( UniformData.mLocation, 1, GL_FALSE, Mat3.constData() );
}
break;
case GL_FLOAT_MAT4:
{
QMatrix4x4 NewVal = PinVariant->variant().value<QMatrix4x4>();
glUniformMatrix4fv( UniformData.mLocation, 1, GL_FALSE, NewVal.constData() );
}
break;
}
OPENGL_PLUGIN_DEBUG;
continue;
}
}
if( true )
{
InterfaceColour *PinColour = qobject_cast<InterfaceColour *>( PinControl->object() );
if( PinColour != 0 )
{
switch( UniformData.mType )
{
case GL_FLOAT_VEC3:
glUniform3f( UniformData.mLocation, PinColour->colour().redF(), PinColour->colour().greenF(), PinColour->colour().blueF() );
break;
case GL_FLOAT_VEC4:
glUniform4f( UniformData.mLocation, PinColour->colour().redF(), PinColour->colour().greenF(), PinColour->colour().blueF(), PinColour->colour().alphaF() );
break;
}
OPENGL_PLUGIN_DEBUG;
continue;
}
}
if( true )
{
if( PIN->controlUuid() == PID_TRIGGER )
{
switch( UniformData.mType )
{
case GL_BOOL:
glUniform1f( UniformData.mLocation, true );
break;
}
OPENGL_PLUGIN_DEBUG;
continue;
}
}
}
}
void ShaderNode::inputsUpdated( qint64 pTimeStamp )
{
fugio::Performance Perf( mNode, "inputsUpdated" );
if( !mInitialised )
{
return;
}
OPENGL_PLUGIN_DEBUG;
if( mPinShaderVertex->isUpdated( mLastShaderLoad ) || mPinShaderGeometry->isUpdated( mLastShaderLoad ) || mPinShaderFragment->isUpdated( mLastShaderLoad ) )
{
loadShader();
mLastShaderLoad = pTimeStamp;
}
OPENGL_PLUGIN_DEBUG;
if( !mProgramLinked )
{
return;
}
//-------------------------------------------------------------------------
int W, H, D;
QList< QSharedPointer<InterfacePin> > OutPinLst = mNode->enumOutputPins();
QList< QSharedPointer<InterfacePin> > InpPinLst = mNode->enumInputPins();
//-------------------------------------------------------------------------
glUseProgram( mProgramId );
OPENGL_PLUGIN_DEBUG;
QList<ShaderBindData> Bindings;
updateUniforms( Bindings, pTimeStamp );
if( mPinOutputGeometry->isConnectedToActiveNode() )
{
mNode->context()->pinUpdated( mPinOutputGeometry );
}
if( activeBufferCount( OutPinLst ) == 0 )
{
glUseProgram( 0 );
return;
}
//-------------------------------------------------------------------------
// Bind all output buffers
QVector<GLenum> Buffers;
bindOutputBuffers( Buffers, OutPinLst, W, H, D );
if( mFrameBufferId != 0 )
{
glBindFramebuffer( GL_FRAMEBUFFER, mFrameBufferId );
if( !Buffers.empty() )
{
glDrawBuffers( Buffers.size(), Buffers.data() );
OPENGL_PLUGIN_DEBUG;
}
if( glCheckFramebufferStatus( GL_FRAMEBUFFER ) != GL_FRAMEBUFFER_COMPLETE )
{
qDebug() << "glCheckFramebufferStatus( GL_FRAMEBUFFER ) != GL_FRAMEBUFFER_COMPLETE";
}
}
//-------------------------------------------------------------------------
InterfaceOpenGLState *State = 0;
if( mPinState->isConnected() )
{
State = qobject_cast<InterfaceOpenGLState *>( mPinState->connectedPin()->control()->object() );
}
if( State != 0 )
{
State->stateBegin();
}
//-------------------------------------------------------------------------
if( true )
{
glViewport( 0, 0, W, H );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
QList<InterfaceGeometry*> GeometryList;
for( QList< QSharedPointer<InterfacePin> >::iterator it = InpPinLst.begin() ; it != InpPinLst.end() ; it++ )
{
QSharedPointer<InterfacePin> InpPin = *it;
if( !InpPin->isConnectedToActiveNode() )
{
continue;
}
QSharedPointer<InterfacePinControl> GeometryControl = InpPin->connectedPin()->control();
InterfaceGeometry *Geometry = ( GeometryControl.isNull() ? 0 : qobject_cast<InterfaceGeometry *>( GeometryControl->object() ) );
if( Geometry != 0 )
{
GeometryList.append( Geometry );
}
}
if( GeometryList.isEmpty() )
{
QMatrix4x4 pmvMatrix;
pmvMatrix.setToIdentity();
pmvMatrix.ortho( QRect( QPoint( 0, 0 ), QSize( W, H ) ) );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glLoadMatrixf( pmvMatrix.constData() );
//Initialize Modelview Matrix
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glColor4f( 1.0, 1.0, 1.0, 1.0 );
//glEnable( GL_BLEND );
//glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
//glActiveTexture( GL_TEXTURE0 );
OPENGL_PLUGIN_DEBUG;
GLint x0 = 0;
GLint x1 = W;
GLint y0 = 0;
GLint y1 = H;
glBegin( GL_QUADS );
glMultiTexCoord2i( GL_TEXTURE0, x0, y1 ); glMultiTexCoord2f( GL_TEXTURE1, 0, 1 ); glVertex2i( x0, y0 );
glMultiTexCoord2i( GL_TEXTURE0, x1, y1 ); glMultiTexCoord2f( GL_TEXTURE1, 1, 1 ); glVertex2i( x1, y0 );
glMultiTexCoord2i( GL_TEXTURE0, x1, y0 ); glMultiTexCoord2f( GL_TEXTURE1, 1, 0 ); glVertex2i( x1, y1 );
glMultiTexCoord2i( GL_TEXTURE0, x0, y0 ); glMultiTexCoord2f( GL_TEXTURE1, 0, 0 ); glVertex2i( x0, y1 );
glEnd();
}
else
{
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
//Initialize Modelview Matrix
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glColor4f( 1.0, 1.0, 1.0, 1.0 );
//glEnable( GL_BLEND );
//glBlendFunc( GL_ONE, GL_ONE );
//glActiveTexture( GL_TEXTURE0 );
OPENGL_PLUGIN_DEBUG;
//glTranslatef( 0.0f, 0.0f, -5.0f );
foreach( InterfaceGeometry *Geometry, GeometryList )
{
Geometry->drawGeometry();
}
}
OPENGL_PLUGIN_DEBUG;
}
void MyWindow::render()
{
if(!isVisible() || !isExposed())
return;
if (!mContext->makeCurrent(this))
return;
static bool initialized = false;
if (!initialized) {
initialize();
initialized = true;
}
if (mUpdateSize) {
glViewport(0, 0, size().width(), size().height());
mUpdateSize = false;
}
static float EvolvingVal = 0;
EvolvingVal += 0.1f;
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
QMatrix4x4 RotationMatrix;
RotationMatrix.rotate(EvolvingVal, QVector3D(0.0f, 0.0f, 0.1f));
glBindBuffer(GL_ARRAY_BUFFER, mVBOCol);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
mFuncs->glBindVertexBuffer(0, mVBOCol, 0, sizeof(mVerticesCol[0]));
mFuncs->glBindVertexBuffer(1, mVBOCol, 0, sizeof(mVerticesCol[0]));
mFuncs->glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(0, 0);
mFuncs->glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, sizeof(mVerticesCol[0].getPos())+ sizeof(mVerticesCol[0].getNormal()));
mFuncs->glVertexAttribBinding(1, 1);
mProgramCol->bind();
{
glUniformMatrix4fv(mRotationMatrixLocation, 1, GL_FALSE, RotationMatrix.constData());
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
}
mProgramCol->release();
glBindBuffer(GL_ARRAY_BUFFER, mVBONorm);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
mFuncs->glBindVertexBuffer(0, mVBONorm, 0, sizeof(mVerticesNorm[0]));
mFuncs->glBindVertexBuffer(1, mVBONorm, 0, sizeof(mVerticesNorm[0]));
mFuncs->glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(0, 0);
mFuncs->glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, sizeof(mVerticesNorm[0].getPos()));
mFuncs->glVertexAttribBinding(1, 1);
mProgramNorm->bind();
{
glUniformMatrix4fv(mRotationMatrixLocation, 1, GL_FALSE, RotationMatrix.constData());
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
}
mProgramNorm->release();
glBindBuffer(GL_ARRAY_BUFFER, mVBOTex);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
mFuncs->glBindVertexBuffer(0, mVBOTex, 0, sizeof(mVerticesTex[0]));
mFuncs->glBindVertexBuffer(1, mVBOTex, 0, sizeof(mVerticesTex[0]));
mFuncs->glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(0, 0);
mFuncs->glVertexAttribFormat(1, 2, GL_FLOAT, GL_FALSE, sizeof(mVerticesTex[0].getPos()) + sizeof(mVerticesTex[0].getNormal()));
mFuncs->glVertexAttribBinding(1, 1);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, mTextureObject);
glUniform1i(gSamplerLocation, 0);
mProgramTex->bind();
{
glUniformMatrix4fv(mRotationMatrixLocation, 1, GL_FALSE, RotationMatrix.constData());
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
}
mProgramTex->release();
mContext->swapBuffers(this);
}
void ParticleExplosionNode2::draw(std::stack<QMatrix4x4> &MVStack, QMatrix4x4 cameraMatrix, QMatrix4x4 projectionMatrix, QOpenGLShaderProgram *shader) {
//If the node is a leaf, draw its contents
if(leaf) {
GBuffer::activeGBuffer()->drawToFinal();
Shaders::bind(Shaders::particleProgram);
// Scene::passLights(cameraMatrix, Shaders::phongProgram);
MVStack.push(MVStack.top());
MVStack.top().translate(this->translation);
//Convert the quat to a matrix, may be a performance leak.
QMatrix4x4 tempRot;
tempRot.rotate(this->rotation.normalized());
MVStack.top() *= tempRot;
lastCameraRotation = Camera::M4toQuat(cameraMatrix);
glUniformMatrix4fv(Shaders::particleProgram->uniformLocation("modelViewMatrix"), 1, GL_FALSE, MVStack.top().constData());
glUniformMatrix4fv(Shaders::particleProgram->uniformLocation("perspectiveMatrix"), 1, GL_FALSE, projectionMatrix.constData());
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, sprite);
glUniform1i(Shaders::particleProgram->uniformLocation("sprite"), 0);
drawParticles();
MVStack.pop();
Shaders::release(Shaders::particleProgram);
GBuffer::activeGBuffer()->bindGeometryPass();
} else {
//Else, recurse into its children
std::for_each(children.begin(), children.end(), [&MVStack, cameraMatrix, projectionMatrix, shader](SceneGraph *s){s->draw(MVStack, cameraMatrix, projectionMatrix, shader);});
}
}
inline void glMultMatrix( const QMatrix4x4 & m ) { glMultMatrix( m.constData() ); }
inline void glLoadMatrix( const QMatrix4x4 & m ) { glLoadMatrix( m.constData() ); }
void PointSpriteRenderer::render_impl(const QQuaternion & rotation,
const QVector3D & scale,
const QVector3D & translation,
const QQuaternion & /* camera_rotation */,
GLuint vbo_positions,
GLuint vbo_colors,
size_t part_cnt,
const QVector3D & /* volume_size */)
{
// render the particle system
OGLF->glEnable(GL_DEPTH_TEST);
m_vao.bind();
GLuint shader_id = m_prog.programId();
OGLF->glUseProgram(shader_id);
// calculate scene transformation
QMatrix4x4 mv;
mv.translate(translation);
mv.rotate(rotation);
mv.scale(scale);
//QMatrix4x4 mvp(m_proj * mv);
// set transformation matrices
OGLF->glUniformMatrix4fv(OGLF->glGetUniformLocation(shader_id, "proj"), 1, GL_FALSE, m_proj.constData());
OGLF->glUniformMatrix4fv(OGLF->glGetUniformLocation(shader_id, "mv"), 1, GL_FALSE, mv.constData());
//OGLF->glUniformMatrix4fv(OGLF->glGetUniformLocation(shader_id, "mvp"), 1, GL_FALSE, mvp.constData());
OGLF->glUniform2f(OGLF->glGetUniformLocation(shader_id, "screen_size"), m_w, m_h);
// set light parameters
OGLF->glUniform3f(OGLF->glGetUniformLocation(shader_id, "light_pos"),
m_light_pos.x(), m_light_pos.y(), m_light_pos.z());
OGLF->glUniform3f(OGLF->glGetUniformLocation(shader_id, "light_col_a"),
m_light_ambient_col.x(), m_light_ambient_col.y(), m_light_ambient_col.z());
OGLF->glUniform3f(OGLF->glGetUniformLocation(shader_id, "light_col_d"),
m_light_diffuse_col.x(), m_light_diffuse_col.y(), m_light_diffuse_col.z());
// set attributes
if (m_use_uniform_color)
{
OGLF->glUniform1i(OGLF->glGetUniformLocation(shader_id, "use_uniform_color"), 1);
OGLF->glUniform3f(OGLF->glGetUniformLocation(shader_id, "particle_uniform_color"),
m_particle_col.x(), m_particle_col.y(), m_particle_col.z());
OGLF->glDisableVertexAttribArray(5);
}
else
{
OGLF->glUniform1i(OGLF->glGetUniformLocation(shader_id, "use_uniform_color"), 0);
OGLF->glBindBuffer(GL_ARRAY_BUFFER, vbo_colors);
OGLF->glEnableVertexAttribArray(5);
OGLF->glVertexAttribPointer(5, 4, GL_FLOAT, GL_FALSE, 0, (void *) (0));
}
OGLF->glBindBuffer(GL_ARRAY_BUFFER, vbo_positions);
OGLF->glEnableVertexAttribArray(4);
OGLF->glVertexAttribPointer(4, 4, GL_FLOAT, GL_FALSE, 0, (void *) (0));
// render points
OGLF->glEnable(GL_POINT_SPRITE);
//OGLF->glPointSize(particle_radius * 2.0f);
OGLF->glEnable(GL_PROGRAM_POINT_SIZE);
OGLF->glDrawArrays(GL_POINTS, 0, part_cnt);
// clean up
OGLF->glDisable(GL_PROGRAM_POINT_SIZE);
OGLF->glDisable(GL_POINT_SPRITE);
OGLF->glBindBuffer(GL_ARRAY_BUFFER, 0);
OGLF->glUseProgram(0);
m_vao.release();
}
