void ovalLocatorDrawOverride::draw (const MHWRender::MDrawContext &context, const MUserData *data) {
MPointArray vertices =ovalLocator::vertices () ;
// get cached data
float color [3] ={ 0.0f, 1.0f, 0.0f } ;
float multiplier =1.0f ;
const ovalLocatorData *ovalData =dynamic_cast<const ovalLocatorData *>(data) ;
if ( ovalData )
multiplier =ovalData->multiplier ;
// get state data
MStatus status ;
const MMatrix transform =context.getMatrix (MHWRender::MDrawContext::kWorldViewMtx, &status) ;
if ( status !=MStatus::kSuccess )
return ;
const MMatrix projection =context.getMatrix (MHWRender::MDrawContext::kProjectionMtx, &status) ;
if ( status !=MStatus::kSuccess )
return ;
const int displayStyle =context.getDisplayStyle () ;
// get renderer
MHWRender::MRenderer *theRenderer =MHWRender::MRenderer::theRenderer () ;
if ( !theRenderer )
return ;
// GL Draw
if ( theRenderer->drawAPIIsOpenGL () ) {
// set colour
glColor3fv (color) ;
// set world matrix
glMatrixMode (GL_MODELVIEW) ;
glPushMatrix () ;
glLoadMatrixd (transform.matrix [0]) ;
// set projection matrix
glMatrixMode (GL_PROJECTION) ;
glPushMatrix () ;
glLoadMatrixd (projection.matrix [0]) ;
if ( displayStyle & MHWRender::MDrawContext::kGouraudShaded ) {
// See myShadedDraw
glPushAttrib (GL_CURRENT_BIT) ;
glBegin (GL_TRIANGLE_FAN) ;
glVertex3f (0, 0, 0) ;
for ( int i =0 ; i < vertices.length () ; ++i )
glVertex3f (vertices [i].x * multiplier, vertices [i].y * multiplier, vertices [i].z * multiplier) ;
glEnd () ;
glPopAttrib () ;
}
if ( displayStyle & MHWRender::MDrawContext::kWireFrame ) {
// See myWireFrameDraw
glBegin (GL_LINES) ;
for ( int i =0 ; i < vertices.length () - 1 ; ++i ) {
glVertex3f (vertices [i].x * multiplier, vertices [i].y * multiplier, vertices [i].z * multiplier) ;
glVertex3f (vertices [i + 1].x * multiplier, vertices [i + 1].y * multiplier, vertices [i + 1].z * multiplier) ;
}
glEnd () ;
}
glPopMatrix () ;
glMatrixMode (GL_MODELVIEW) ;
glPopMatrix () ;
}
}
void OpenSubdivDrawOverride::draw(const MHWRender::MDrawContext& context, const MUserData* data)
{
// get cached data
bool isSelected = false;
SubdivUserData* mesh = const_cast<SubdivUserData*>(dynamic_cast<const SubdivUserData*>(data));
if (mesh)
{
isSelected = mesh->fIsSelected;
}
// set colour
static const float colorData[] = {1.0f, 0.0f, 0.0f};
static const float selectedColorData[] = {0.0f, 1.0f, 0.0f};
if(isSelected)
glColor3fv(selectedColorData);
else
glColor3fv(colorData);
MStatus status;
// set world matrix
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
MMatrix transform =
context.getMatrix(MHWRender::MDrawContext::kWorldViewMtx, &status);
if (status)
{
glLoadMatrixd(transform.matrix[0]);
}
// set projection matrix
glMatrixMode(GL_PROJECTION);
glPushMatrix();
MMatrix projection =
context.getMatrix(MHWRender::MDrawContext::kProjectionMtx, &status);
if (status)
{
glLoadMatrixd(projection.matrix[0]);
}
const int displayStyle = context.getDisplayStyle();
glPushAttrib( GL_CURRENT_BIT );
glPushAttrib( GL_ENABLE_BIT);
if(displayStyle & MHWRender::MDrawContext::kGouraudShaded) {
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}else if(displayStyle & MHWRender::MDrawContext::kWireFrame){
glDisable(GL_LIGHTING);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
{
int vertexStride = mesh->GetVertexStride();
// int varyingStride = mesh->GetVaryingStride();
//printf("Draw. stride = %d\n", stride);
glBindBuffer(GL_ARRAY_BUFFER, mesh->GetVertexBuffer());
glVertexPointer(3, GL_FLOAT, vertexStride, ((char*)(0)));
glEnableClientState(GL_VERTEX_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, mesh->GetVertexBuffer());
glNormalPointer(GL_FLOAT, vertexStride, ((char*)(12)));
// glBindBuffer(GL_ARRAY_BUFFER, mesh->GetVaryingBuffer());
// glNormalPointer(GL_FLOAT, varyingStride, ((char*)(0)));
glEnableClientState(GL_NORMAL_ARRAY);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh->GetElementBuffer());
glDrawElements(mesh->GetPrimType(), mesh->GetNumIndices(), GL_UNSIGNED_INT, NULL);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
glPopAttrib();
glPopAttrib();
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glColor3f(1, 1, 1);
}
void UsdMayaGLHdRenderer::RenderVp2(
const RequestDataArray &requests,
const MHWRender::MDrawContext& context,
UsdImagingGLRenderParams params) const
{
using namespace MHWRender;
MStatus status;
MHWRender::MRenderer* theRenderer = MHWRender::MRenderer::theRenderer();
if (!theRenderer) return;
MHWRender::MStateManager* stateMgr = context.getStateManager();
if (!stateMgr) return;
const int displayStyle = context.getDisplayStyle();
if (displayStyle == 0) return;
if (displayStyle & MDrawContext::kXray) {
// Viewport 2.0 will call draw() twice when drawing transparent objects
// (X-Ray mode). We skip the first draw() call.
const MRasterizerState* rasterState = stateMgr->getRasterizerState();
if (rasterState && rasterState->desc().cullMode == MRasterizerState::kCullFront) {
return;
}
}
if (!theRenderer->drawAPIIsOpenGL()) return;
glPushAttrib(GL_CURRENT_BIT | GL_LIGHTING_BIT);
const MMatrix worldView =
context.getMatrix(MHWRender::MDrawContext::kWorldViewMtx, &status);
GfMatrix4d modelViewMatrix(worldView.matrix);
const MMatrix projection =
context.getMatrix(MHWRender::MDrawContext::kProjectionMtx, &status);
GfMatrix4d projectionMatrix(projection.matrix);
// get root matrix
MMatrix root = context.getMatrix(MHWRender::MDrawContext::kWorldMtx, &status);
GfMatrix4d rootMatrix(root.matrix);
// Extract camera settings from maya view
int viewX, viewY, viewWidth, viewHeight;
context.getViewportDimensions(viewX, viewY, viewWidth, viewHeight);
GfVec4d viewport(viewX, viewY, viewWidth, viewHeight);
M3dView::DisplayStyle viewDisplayStyle = displayStyle & MDrawContext::kWireFrame ?
M3dView::kWireFrame : M3dView::kGouraudShaded;
if(viewDisplayStyle == M3dView::kGouraudShaded)
{
px_vp20Utils::setupLightingGL(context);
glEnable(GL_LIGHTING);
}
_renderer->SetCameraState(modelViewMatrix, projectionMatrix, viewport);
_renderer->SetLightingStateFromOpenGL();
TF_FOR_ALL(it, requests) {
RequestData request = *it;
if(viewDisplayStyle == M3dView::kWireFrame && request.drawRequest.displayStyle() == M3dView::kGouraudShaded) {
request.drawRequest.setDisplayStyle(viewDisplayStyle);
}
switch(request.drawRequest.token()) {
case UsdMayaGLHdRenderer::DRAW_WIREFRAME:
case UsdMayaGLHdRenderer::DRAW_POINTS: {
params.drawMode = request.drawRequest.token() ==
UsdMayaGLHdRenderer::DRAW_WIREFRAME ?
UsdImagingGLDrawMode::DRAW_WIREFRAME :
UsdImagingGLDrawMode::DRAW_POINTS;
params.enableLighting = false;
params.cullStyle = UsdImagingGLCullStyle::CULL_STYLE_NOTHING;
params.overrideColor = request.fWireframeColor;
// Get and render usdPrim
_renderer->Render(_renderedPrim, params);
break;
}
case UsdMayaGLHdRenderer::DRAW_SHADED_FLAT:
case UsdMayaGLHdRenderer::DRAW_SHADED_SMOOTH: {
params.drawMode = ((request.drawRequest.token() ==
UsdMayaGLHdRenderer::DRAW_SHADED_FLAT) ?
UsdImagingGLDrawMode::DRAW_GEOM_FLAT :
UsdImagingGLDrawMode::DRAW_GEOM_SMOOTH);
params.enableLighting = true;
params.cullStyle =
UsdImagingGLCullStyle::CULL_STYLE_BACK_UNLESS_DOUBLE_SIDED;
_renderer->Render(_renderedPrim, params);
break;
}
case UsdMayaGLHdRenderer::DRAW_BOUNDING_BOX: {
px_vp20Utils::RenderBoundingBox(request.bounds,
request.fWireframeColor,
worldView,
projection);
break;
}
}
}