HdxSelectionTask::HdxSelectionTask(HdSceneDelegate* delegate,
SdfPath const& id)
: HdSceneTask(delegate, id)
, _lastVersion(-1)
, _offsetMin(0)
, _offsetMax(-1)
, _hasSelection(false)
, _selUniformBar(nullptr)
{
_params = {false, GfVec4f(), GfVec4f(), GfVec4f()};
}
void
My_TestGLDrawing::InitTest()
{
_renderIndex = HdRenderIndex::New(&_renderDelegate);
TF_VERIFY(_renderIndex != nullptr);
_delegate.reset(new Hdx_UnitTestDelegate(_renderIndex));
// prepare render task
SdfPath renderSetupTask("/renderSetupTask");
SdfPath renderTask("/renderTask");
SdfPath selectionTask("/selectionTask");
_delegate->AddRenderSetupTask(renderSetupTask);
_delegate->AddRenderTask(renderTask);
_delegate->AddSelectionTask(selectionTask);
// render task parameters.
VtValue vParam = _delegate->GetTaskParam(renderSetupTask, HdTokens->params);
HdxRenderTaskParams param = vParam.Get<HdxRenderTaskParams>();
param.enableLighting = true; // use default lighting
_delegate->SetTaskParam(renderSetupTask, HdTokens->params,
VtValue(param));
_delegate->SetTaskParam(renderTask, HdTokens->collection,
VtValue(HdRprimCollection(HdTokens->geometry,
HdReprSelector(HdReprTokens->hull))));
HdxSelectionTaskParams selParam;
selParam.enableSelection = true;
selParam.selectionColor = GfVec4f(1, 1, 0, 1);
selParam.locateColor = GfVec4f(1, 0, 1, 1);
_delegate->SetTaskParam(selectionTask, HdTokens->params,
VtValue(selParam));
// prepare scene
_InitScene();
SetCameraTranslate(GfVec3f(0, 0, -20));
// picking related init
_pickablesCol = HdRprimCollection(_tokens->pickables,
HdReprSelector(HdReprTokens->hull));
_marquee.InitGLResources();
_picker.InitIntersector(_renderIndex);
_SetPickParams();
// We have to unfortunately explictly add collections besides 'geometry'
// See HdRenderIndex constructor.
_delegate->GetRenderIndex().GetChangeTracker().AddCollection(_tokens->pickables);
// XXX: Setup a VAO, the current drawing engine will not yet do this.
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glBindVertexArray(0);
}
GlfSimpleLight
HdStLight::_ApproximateAreaLight(SdfPath const &id,
HdSceneDelegate *sceneDelegate)
{
// Get the color of the light
GfVec3f hdc = sceneDelegate->GetLightParamValue(id, HdStLightTokens->color)
.Get<GfVec3f>();
// Extract intensity
float intensity =
sceneDelegate->GetLightParamValue(id, HdLightTokens->intensity)
.Get<float>();
// Extract the exposure of the light
float exposure =
sceneDelegate->GetLightParamValue(id, HdLightTokens->exposure)
.Get<float>();
intensity *= powf(2.0f, GfClamp(exposure, -50.0f, 50.0f));
// Calculate the final color of the light
GfVec4f c(hdc[0]*intensity, hdc[1]*intensity, hdc[2]*intensity, 1.0f);
// Get the transform of the light
GfMatrix4d transform = _params[HdTokens->transform].Get<GfMatrix4d>();
GfVec3d hdp = transform.ExtractTranslation();
GfVec4f p = GfVec4f(hdp[0], hdp[1], hdp[2], 1.0f);
// Create the Glf Simple Light object that will be used by the rest
// of the pipeline. No support for shadows for this translated light.
GlfSimpleLight l;
l.SetPosition(p);
l.SetDiffuse(c);
l.SetHasShadow(false);
return l;
}
static GfMatrix4d
_GetTranslate(float tx, float ty, float tz)
{
GfMatrix4d m(1.0f);
m.SetRow(3, GfVec4f(tx, ty, tz, 1.0));
return m;
}
GfVec4f GfHomogeneousCross(const GfVec4f &a, const GfVec4f &b)
{
GfVec4f ah(GfGetHomogenized(a));
GfVec4f bh(GfGetHomogenized(b));
GfVec3f prod =
GfCross(GfVec3f(ah[0], ah[1], ah[2]), GfVec3f(bh[0], bh[1], bh[2]));
return GfVec4f(prod[0], prod[1], prod[2], 1);
}
void
HdStreamTaskController::_CreateSelectionTask()
{
// Create a selection highlighting task.
_selectionTaskId = GetControllerId().AppendChild(_tokens->selectionTask);
HdxSelectionTaskParams selectionParams;
selectionParams.enableSelection = true;
selectionParams.selectionColor = GfVec4f(1,1,0,1);
selectionParams.locateColor = GfVec4f(0,0,1,1);
GetRenderIndex()->InsertTask<HdxSelectionTask>(&_delegate,
_selectionTaskId);
_delegate.SetParameter(_selectionTaskId, HdTokens->params,
selectionParams);
_delegate.SetParameter(_selectionTaskId, HdTokens->children,
SdfPathVector());
}
bool MayaMeshWriter::_createRGBAPrimVar(
UsdGeomGprim &primSchema,
const TfToken& name,
const VtArray<GfVec3f>& rgbData,
const VtArray<float>& alphaData,
const TfToken& interpolation,
const VtArray<int>& assignmentIndices,
const int unassignedValueIndex,
bool clamped)
{
unsigned int numValues = rgbData.size();
if (numValues == 0 || numValues != alphaData.size()) {
return false;
}
TfToken interp = interpolation;
if (numValues == 1 && interp == UsdGeomTokens->constant) {
interp = TfToken();
}
UsdGeomPrimvar primVar =
primSchema.CreatePrimvar(name,
SdfValueTypeNames->Color4fArray,
interp);
VtArray<GfVec4f> rgbaData(numValues);
for (size_t i = 0; i < rgbaData.size(); ++i) {
rgbaData[i] = GfVec4f(rgbData[i][0], rgbData[i][1], rgbData[i][2],
alphaData[i]);
}
primVar.Set(rgbaData);
if (!assignmentIndices.empty()) {
primVar.SetIndices(assignmentIndices);
if (unassignedValueIndex != primVar.GetUnauthoredValuesIndex()) {
primVar.SetUnauthoredValuesIndex(unassignedValueIndex);
}
}
if (clamped) {
PxrUsdMayaRoundTripUtil::MarkPrimvarAsClamped(primVar);
}
return true;
}
UsdImaging_DefaultTaskDelegate::UsdImaging_DefaultTaskDelegate(
HdRenderIndexSharedPtr const& parentIndex,
SdfPath const& delegateID)
: UsdImagingTaskDelegate(parentIndex, delegateID)
, _viewport(0,0,1,1)
, _selectionColor(1,1,0,1)
{
// create an unique namespace
_rootId = delegateID.AppendChild(
TfToken(TfStringPrintf("_UsdImaging_%p", this)));
_renderTaskId = _rootId.AppendChild(_tokens->renderTask);
_idRenderTaskId = _rootId.AppendChild(_tokens->idRenderTask);
_selectionTaskId = _rootId.AppendChild(_tokens->selectionTask);
_simpleLightTaskId = _rootId.AppendChild(_tokens->simpleLightTask);
_simpleLightBypassTaskId = _rootId.AppendChild(_tokens->simpleLightBypassTask);
_cameraId = _rootId.AppendChild(_tokens->camera);
_activeSimpleLightTaskId = SdfPath();
// TODO: tasks of shadow map generation, accumulation etc will be
// prepared here.
HdRenderIndex &renderIndex = GetRenderIndex();
// camera
{
renderIndex.InsertCamera<HdCamera>(this, _cameraId);
_ValueCache &cache = _valueCacheMap[_cameraId];
cache[HdShaderTokens->worldToViewMatrix] = VtValue(GfMatrix4d(1));
cache[HdShaderTokens->projectionMatrix] = VtValue(GfMatrix4d(1));
cache[HdTokens->cameraFrustum] = VtValue(); // we don't use GfFrustum.
cache[HdTokens->windowPolicy] = VtValue(); // we don't use window policy.
}
// selection task
{
renderIndex.InsertTask<HdxSelectionTask>(this, _selectionTaskId);
_ValueCache &cache = _valueCacheMap[_selectionTaskId];
HdxSelectionTaskParams params;
params.enableSelection = true;
params.selectionColor = _selectionColor;
params.locateColor = GfVec4f(0,0,1,1);
cache[HdTokens->params] = VtValue(params);
cache[HdTokens->children] = VtValue(SdfPathVector());
}
// simple lighting task (for Hydra native)
{
renderIndex.InsertTask<HdxSimpleLightTask>(this, _simpleLightTaskId);
_ValueCache &cache = _valueCacheMap[_simpleLightTaskId];
HdxSimpleLightTaskParams params;
params.cameraPath = _cameraId;
cache[HdTokens->params] = VtValue(params);
cache[HdTokens->children] = VtValue(SdfPathVector());
}
// simple lighting task (for Presto UsdBaseIc compatible)
{
renderIndex.InsertTask<HdxSimpleLightBypassTask>(this,
_simpleLightBypassTaskId);
_ValueCache &cache = _valueCacheMap[_simpleLightBypassTaskId];
HdxSimpleLightBypassTaskParams params;
params.cameraPath = _cameraId;
cache[HdTokens->params] = VtValue(params);
cache[HdTokens->children] = VtValue(SdfPathVector());
}
// render task
_InsertRenderTask(_renderTaskId);
_InsertRenderTask(_idRenderTaskId);
// initialize HdxRenderTaskParams for render tasks
_UpdateCollection(&_rprims, HdTokens->geometry, HdTokens->smoothHull,
SdfPathVector(1, SdfPath::AbsoluteRootPath()),
_renderTaskId,
_idRenderTaskId);
_UpdateRenderParams(_renderParams,
_renderParams,
_renderTaskId);
_UpdateRenderParams(_idRenderParams,
_idRenderParams,
_idRenderTaskId);
}
UsdMayaGLBatchRenderer::RenderParams
UsdMayaGLBatchRenderer::ShapeRenderer::GetRenderParams(
const MDagPath& objPath,
const unsigned int& displayStyle,
const MHWRender::DisplayStatus& displayStatus,
bool* drawShape,
bool* drawBoundingBox )
{
// VP 2.0 Implementation
//
RenderParams params( _baseParams );
*drawShape = true;
*drawBoundingBox = (displayStyle
& MHWRender::MFrameContext::DisplayStyle::kBoundingBox);
// If obj is selected, we set the wireframe color.
// QueueShapeForDraw(...) will later break this single param set into
// two, to perform a two-pass render.
//
MColor mayaWireframeColor;
bool needsWire = _GetWireframeColor(
_batchRenderer->GetSoftSelectHelper(),
objPath, displayStatus,
&mayaWireframeColor);
if( needsWire )
{
params.wireframeColor =
GfVec4f(
mayaWireframeColor.r,
mayaWireframeColor.g,
mayaWireframeColor.b,
1.f );
}
// Maya 2015 lacks MHWRender::MFrameContext::DisplayStyle::kFlatShaded for whatever reason...
bool flatShaded =
#if MAYA_API_VERSION >= 201600
displayStyle & MHWRender::MFrameContext::DisplayStyle::kFlatShaded;
#else
false;
#endif
if( flatShaded )
{
if( needsWire )
params.drawRepr = HdTokens->wireOnSurf;
else
params.drawRepr = HdTokens->hull;
}
else if( displayStyle & MHWRender::MFrameContext::DisplayStyle::kGouraudShaded )
{
if( needsWire || (displayStyle & MHWRender::MFrameContext::DisplayStyle::kWireFrame) )
params.drawRepr = HdTokens->refinedWireOnSurf;
else
params.drawRepr = HdTokens->refined;
}
else if( displayStyle & MHWRender::MFrameContext::DisplayStyle::kWireFrame )
{
params.drawRepr = HdTokens->refinedWire;
params.enableLighting = false;
}
else
{
*drawShape = false;
}
// Maya 2016 SP2 lacks MHWRender::MFrameContext::DisplayStyle::kBackfaceCulling for whatever reason...
params.cullStyle = HdCullStyleNothing;
#if MAYA_API_VERSION >= 201603
if( displayStyle & MHWRender::MFrameContext::DisplayStyle::kBackfaceCulling )
params.cullStyle = HdCullStyleBackUnlessDoubleSided;
#endif
return params;
}
UsdMayaGLBatchRenderer::RenderParams
UsdMayaGLBatchRenderer::ShapeRenderer::GetRenderParams(
const MDagPath& objPath,
const M3dView::DisplayStyle& displayStyle,
const M3dView::DisplayStatus& displayStatus,
bool* drawShape,
bool* drawBoundingBox )
{
// VP 1.0 Implementation
//
RenderParams params( _baseParams );
// VP 1.0 deos not allow shapes and bounding boxes to be drawn at the
// same time...
//
*drawBoundingBox = (displayStyle == M3dView::kBoundingBox);
*drawShape = !*drawBoundingBox;
// If obj is selected, we set selected and the wireframe color.
// QueueShapeForDraw(...) will later break this single param set into
// two, to perform a two-pass render.
//
MColor mayaWireframeColor;
bool needsWire = _GetWireframeColor(
_batchRenderer->GetSoftSelectHelper(),
objPath,
_ToMHWRenderDisplayStatus(displayStatus),
&mayaWireframeColor);
if( needsWire )
{
// The legacy viewport does not support color management,
// so we roll our own gamma correction via framebuffer effect.
// But that means we need to pre-linearize the wireframe color
// from Maya.
params.wireframeColor =
GfConvertDisplayToLinear(
GfVec4f(
mayaWireframeColor.r,
mayaWireframeColor.g,
mayaWireframeColor.b,
1.f ));
}
switch( displayStyle )
{
case M3dView::kWireFrame:
{
params.drawRepr = HdTokens->refinedWire;
params.enableLighting = false;
break;
}
case M3dView::kGouraudShaded:
{
if( needsWire )
params.drawRepr = HdTokens->refinedWireOnSurf;
else
params.drawRepr = HdTokens->refined;
break;
}
case M3dView::kFlatShaded:
{
if( needsWire )
params.drawRepr = HdTokens->wireOnSurf;
else
params.drawRepr = HdTokens->hull;
break;
}
case M3dView::kPoints:
{
// Points mode is not natively supported by Hydra, so skip it...
}
default:
{
*drawShape = false;
}
};
return params;
}
void
GlfSimpleLightingContext::BindUniformBlocks(GlfBindingMapPtr const &bindingMap)
{
if (not _lightingUniformBlock)
_lightingUniformBlock = GlfUniformBlock::New();
if (not _shadowUniformBlock)
_shadowUniformBlock = GlfUniformBlock::New();
if (not _materialUniformBlock)
_materialUniformBlock = GlfUniformBlock::New();
bool shadowExists = false;
if ((not _lightingUniformBlockValid or
not _shadowUniformBlockValid) and _lights.size() > 0) {
int numLights = GetNumLightsUsed();
// 16byte aligned
struct LightSource {
float position[4];
float ambient[4];
float diffuse[4];
float specular[4];
float spotDirection[4];
float spotCutoff;
float spotFalloff;
float padding[2];
float attenuation[4];
bool hasShadow;
int32_t shadowIndex;
int32_t padding2[2];
};
struct Lighting {
int32_t useLighting;
int32_t useColorMaterialDiffuse;
int32_t padding[2];
LightSource lightSource[0];
};
// 16byte aligned
struct ShadowMatrix {
float viewToShadowMatrix[16];
float basis0[4];
float basis1[4];
float basis2[4];
float bias;
float padding[3];
};
struct Shadow {
ShadowMatrix shadow[0];
};
size_t lightingSize = sizeof(Lighting) + sizeof(LightSource) * numLights;
size_t shadowSize = sizeof(ShadowMatrix) * numLights;
Lighting *lightingData = (Lighting *)alloca(lightingSize);
Shadow *shadowData = (Shadow *)alloca(shadowSize);
memset(shadowData, 0, shadowSize);
memset(lightingData, 0, lightingSize);
GfMatrix4d viewToWorldMatrix = _worldToViewMatrix.GetInverse();
lightingData->useLighting = _useLighting;
lightingData->useColorMaterialDiffuse = _useColorMaterialDiffuse;
for (int i = 0; _useLighting and i < numLights; ++i) {
GlfSimpleLight const &light = _lights[i];
setVec4(lightingData->lightSource[i].position,
light.GetPosition() * _worldToViewMatrix);
setVec4(lightingData->lightSource[i].diffuse, light.GetDiffuse());
setVec4(lightingData->lightSource[i].ambient, light.GetAmbient());
setVec4(lightingData->lightSource[i].specular, light.GetSpecular());
setVec3(lightingData->lightSource[i].spotDirection,
_worldToViewMatrix.TransformDir(light.GetSpotDirection()));
setVec3(lightingData->lightSource[i].attenuation,
light.GetAttenuation());
lightingData->lightSource[i].spotCutoff = light.GetSpotCutoff();
lightingData->lightSource[i].spotFalloff = light.GetSpotFalloff();
lightingData->lightSource[i].hasShadow = light.HasShadow();
if (lightingData->lightSource[i].hasShadow) {
int shadowIndex = light.GetShadowIndex();
lightingData->lightSource[i].shadowIndex = shadowIndex;
GfMatrix4d viewToShadowMatrix = viewToWorldMatrix *
_shadows->GetWorldToShadowMatrix(shadowIndex);
double invBlur = 1.0/(std::max(0.0001F, light.GetShadowBlur()));
GfMatrix4d mat = viewToShadowMatrix.GetInverse();
GfVec4f xVec = GfVec4f(mat.GetRow(0) * invBlur);
GfVec4f yVec = GfVec4f(mat.GetRow(1) * invBlur);
GfVec4f zVec = GfVec4f(mat.GetRow(2));
shadowData->shadow[shadowIndex].bias = light.GetShadowBias();
setMatrix(shadowData->shadow[shadowIndex].viewToShadowMatrix,
viewToShadowMatrix);
setVec4(shadowData->shadow[shadowIndex].basis0, xVec);
setVec4(shadowData->shadow[shadowIndex].basis1, yVec);
setVec4(shadowData->shadow[shadowIndex].basis2, zVec);
shadowExists = true;
}
}
_lightingUniformBlock->Update(lightingData, lightingSize);
_lightingUniformBlockValid = true;
if (shadowExists) {
_shadowUniformBlock->Update(shadowData, shadowSize);
_shadowUniformBlockValid = true;
}
}
_lightingUniformBlock->Bind(bindingMap, _tokens->lightingUB);
if (shadowExists) {
_shadowUniformBlock->Bind(bindingMap, _tokens->shadowUB);
}
if (not _materialUniformBlockValid) {
// has to be matched with the definition of simpleLightingShader.glslfx
struct Material {
float ambient[4];
float diffuse[4];
float specular[4];
float emission[4];
float sceneColor[4]; // XXX: should be separated?
float shininess;
float padding[3];
} materialData;
memset(&materialData, 0, sizeof(materialData));
setVec4(materialData.ambient, _material.GetAmbient());
setVec4(materialData.diffuse, _material.GetDiffuse());
setVec4(materialData.specular, _material.GetSpecular());
setVec4(materialData.emission, _material.GetEmission());
materialData.shininess = _material.GetShininess();
setVec4(materialData.sceneColor, _sceneAmbient);
_materialUniformBlock->Update(&materialData, sizeof(materialData));
_materialUniformBlockValid = true;
}
_materialUniformBlock->Bind(bindingMap, _tokens->materialUB);
}
GfVec4f GfApplyGamma(const GfVec4f &v, double g) {
return GfVec4f(pow(v[0],g),pow(v[1],g),pow(v[2],g),v[3]);
}
static void CameraAndLightTest()
{
HdStRenderDelegate renderDelegate;
std::unique_ptr<HdRenderIndex> index(HdRenderIndex::New(&renderDelegate));
TF_VERIFY(index);
std::unique_ptr<Hdx_UnitTestDelegate> delegate(
new Hdx_UnitTestDelegate(index.get()));
HdChangeTracker& tracker = index->GetChangeTracker();
HdPerfLog& perfLog = HdPerfLog::GetInstance();
perfLog.Enable();
HdRprimCollection collection(HdTokens->geometry, HdTokens->hull);
HdRenderPassStateSharedPtr renderPassState(new HdRenderPassState());
HdRenderPassSharedPtr renderPass(
new HdSt_RenderPass(index.get(), collection));
HdEngine engine;
HdTaskSharedPtr drawTask = boost::make_shared<Hd_TestTask>(renderPass,
renderPassState);
HdTaskSharedPtrVector tasks = { drawTask };
GfMatrix4d tx(1.0f);
tx.SetRow(3, GfVec4f(5, 0, 5, 1.0));
SdfPath cube("geometry");
delegate->AddCube(cube, tx);
SdfPath camera("camera");
SdfPath light("light");
delegate->AddCamera(camera);
delegate->AddLight(light, GlfSimpleLight());
delegate->SetLight(light, HdStLightTokens->shadowCollection,
VtValue(HdRprimCollection(HdTokens->geometry,
HdTokens->hull)));
engine.Execute(*index, tasks);
VERIFY_PERF_COUNT(HdPerfTokens->rebuildBatches, 1);
// Update camera matrix
delegate->SetCamera(camera, GfMatrix4d(2), GfMatrix4d(2));
tracker.MarkSprimDirty(camera, HdStCamera::DirtyViewMatrix);
tracker.MarkSprimDirty(camera, HdStCamera::DirtyProjMatrix);
engine.Execute(*index, tasks);
// batch should not be rebuilt
VERIFY_PERF_COUNT(HdPerfTokens->rebuildBatches, 1);
// Update shadow collection
delegate->SetLight(light, HdStLightTokens->shadowCollection,
VtValue(HdRprimCollection(HdTokens->geometry,
HdTokens->refined)));
tracker.MarkSprimDirty(light, HdStLight::DirtyCollection);
engine.Execute(*index, tasks);
// batch rebuilt
VERIFY_PERF_COUNT(HdPerfTokens->rebuildBatches, 2);
// Update shadow collection again with the same data
delegate->SetLight(light, HdStLightTokens->shadowCollection,
VtValue(HdRprimCollection(HdTokens->geometry,
HdTokens->refined)));
tracker.MarkSprimDirty(light, HdStLight::DirtyCollection);
engine.Execute(*index, tasks);
// batch should not be rebuilt
VERIFY_PERF_COUNT(HdPerfTokens->rebuildBatches, 2);
}
void
My_TestGLDrawing::InitTest()
{
std::cout << "My_TestGLDrawing::InitTest()\n";
_stage = UsdStage::Open(GetStageFilePath());
SdfPathVector excludedPaths;
if (UsdImagingGLEngine::IsHydraEnabled()) {
std::cout << "Using HD Renderer.\n";
_engine.reset(new UsdImagingGLEngine(
_stage->GetPseudoRoot().GetPath(), excludedPaths));
if (!_GetRenderer().IsEmpty()) {
if (!_engine->SetRendererPlugin(_GetRenderer())) {
std::cerr << "Couldn't set renderer plugin: " <<
_GetRenderer().GetText() << std::endl;
exit(-1);
} else {
std::cout << "Renderer plugin: " << _GetRenderer().GetText()
<< std::endl;
}
}
} else{
std::cout << "Using Reference Renderer.\n";
_engine.reset(
new UsdImagingGLEngine(_stage->GetPseudoRoot().GetPath(),
excludedPaths));
}
std::cout << glGetString(GL_VENDOR) << "\n";
std::cout << glGetString(GL_RENDERER) << "\n";
std::cout << glGetString(GL_VERSION) << "\n";
if (_ShouldFrameAll()) {
TfTokenVector purposes;
purposes.push_back(UsdGeomTokens->default_);
purposes.push_back(UsdGeomTokens->proxy);
// Extent hints are sometimes authored as an optimization to avoid
// computing bounds, they are particularly useful for some tests where
// there is no bound on the first frame.
bool useExtentHints = true;
UsdGeomBBoxCache bboxCache(UsdTimeCode::Default(), purposes, useExtentHints);
GfBBox3d bbox = bboxCache.ComputeWorldBound(_stage->GetPseudoRoot());
GfRange3d world = bbox.ComputeAlignedRange();
GfVec3d worldCenter = (world.GetMin() + world.GetMax()) / 2.0;
double worldSize = world.GetSize().GetLength();
std::cerr << "worldCenter: " << worldCenter << "\n";
std::cerr << "worldSize: " << worldSize << "\n";
if (UsdGeomGetStageUpAxis(_stage) == UsdGeomTokens->z) {
// transpose y and z centering translation
_translate[0] = -worldCenter[0];
_translate[1] = -worldCenter[2];
_translate[2] = -worldCenter[1] - worldSize;
} else {
_translate[0] = -worldCenter[0];
_translate[1] = -worldCenter[1];
_translate[2] = -worldCenter[2] - worldSize;
}
} else {
_translate[0] = GetTranslate()[0];
_translate[1] = GetTranslate()[1];
_translate[2] = GetTranslate()[2];
}
if(IsEnabledTestLighting()) {
if(UsdImagingGLEngine::IsHydraEnabled()) {
// set same parameter as GlfSimpleLightingContext::SetStateFromOpenGL
// OpenGL defaults
_lightingContext = GlfSimpleLightingContext::New();
GlfSimpleLight light;
if (IsEnabledCameraLight()) {
light.SetPosition(GfVec4f(_translate[0], _translate[2], _translate[1], 0));
} else {
light.SetPosition(GfVec4f(0, -.5, .5, 0));
}
light.SetDiffuse(GfVec4f(1,1,1,1));
light.SetAmbient(GfVec4f(0,0,0,1));
light.SetSpecular(GfVec4f(1,1,1,1));
GlfSimpleLightVector lights;
lights.push_back(light);
_lightingContext->SetLights(lights);
GlfSimpleMaterial material;
material.SetAmbient(GfVec4f(0.2, 0.2, 0.2, 1.0));
material.SetDiffuse(GfVec4f(0.8, 0.8, 0.8, 1.0));
material.SetSpecular(GfVec4f(0,0,0,1));
material.SetShininess(0.0001f);
_lightingContext->SetMaterial(material);
_lightingContext->SetSceneAmbient(GfVec4f(0.2,0.2,0.2,1.0));
} else {
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
if (IsEnabledCameraLight()) {
float position[4] = {_translate[0], _translate[2], _translate[1], 0};
glLightfv(GL_LIGHT0, GL_POSITION, position);
} else {
float position[4] = {0,-.5,.5,0};
glLightfv(GL_LIGHT0, GL_POSITION, position);
}
}
}
}
bool
PxrUsdMayaWriteUtil::SetUsdAttr(
const MPlug& attrPlug,
const UsdAttribute& usdAttr,
const UsdTimeCode& usdTime,
const bool translateMayaDoubleToUsdSinglePrecision)
{
if (!usdAttr || attrPlug.isNull()) {
return false;
}
bool isAnimated = attrPlug.isDestination();
if (usdTime.IsDefault() == isAnimated) {
return true;
}
// We perform a similar set of type-infererence acrobatics here as we do up
// above in GetUsdTypeName(). See the comments there for more detail on a
// few type-related oddities.
MObject attrObj(attrPlug.attribute());
if (attrObj.hasFn(MFn::kEnumAttribute)) {
MFnEnumAttribute enumAttrFn(attrObj);
const short enumIndex = attrPlug.asShort();
const TfToken enumToken(enumAttrFn.fieldName(enumIndex).asChar());
return usdAttr.Set(enumToken, usdTime);
}
MFnNumericData::Type numericDataType;
MFnData::Type typedDataType;
MFnUnitAttribute::Type unitDataType;
_GetMayaAttributeNumericTypedAndUnitDataTypes(attrPlug,
numericDataType,
typedDataType,
unitDataType);
if (attrObj.hasFn(MFn::kMatrixAttribute)) {
typedDataType = MFnData::kMatrix;
}
switch (typedDataType) {
case MFnData::kString: {
MFnStringData stringDataFn(attrPlug.asMObject());
const std::string usdVal(stringDataFn.string().asChar());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kMatrix: {
MFnMatrixData matrixDataFn(attrPlug.asMObject());
const GfMatrix4d usdVal(matrixDataFn.matrix().matrix);
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kStringArray: {
MFnStringArrayData stringArrayDataFn(attrPlug.asMObject());
VtStringArray usdVal(stringArrayDataFn.length());
for (unsigned int i = 0; i < stringArrayDataFn.length(); ++i) {
usdVal[i] = std::string(stringArrayDataFn[i].asChar());
}
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kDoubleArray: {
MFnDoubleArrayData doubleArrayDataFn(attrPlug.asMObject());
if (translateMayaDoubleToUsdSinglePrecision) {
VtFloatArray usdVal(doubleArrayDataFn.length());
for (unsigned int i = 0; i < doubleArrayDataFn.length(); ++i) {
usdVal[i] = (float)doubleArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
} else {
VtDoubleArray usdVal(doubleArrayDataFn.length());
for (unsigned int i = 0; i < doubleArrayDataFn.length(); ++i) {
usdVal[i] = doubleArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
}
break;
}
case MFnData::kFloatArray: {
MFnFloatArrayData floatArrayDataFn(attrPlug.asMObject());
VtFloatArray usdVal(floatArrayDataFn.length());
for (unsigned int i = 0; i < floatArrayDataFn.length(); ++i) {
usdVal[i] = floatArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kIntArray: {
MFnIntArrayData intArrayDataFn(attrPlug.asMObject());
VtIntArray usdVal(intArrayDataFn.length());
for (unsigned int i = 0; i < intArrayDataFn.length(); ++i) {
usdVal[i] = intArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kPointArray: {
MFnPointArrayData pointArrayDataFn(attrPlug.asMObject());
if (translateMayaDoubleToUsdSinglePrecision) {
VtVec3fArray usdVal(pointArrayDataFn.length());
for (unsigned int i = 0; i < pointArrayDataFn.length(); ++i) {
MPoint tmpMayaVal = pointArrayDataFn[i];
if (tmpMayaVal.w != 0) {
tmpMayaVal.cartesianize();
}
usdVal[i] = GfVec3f((float)tmpMayaVal[0],
(float)tmpMayaVal[1],
(float)tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
} else {
VtVec3dArray usdVal(pointArrayDataFn.length());
for (unsigned int i = 0; i < pointArrayDataFn.length(); ++i) {
MPoint tmpMayaVal = pointArrayDataFn[i];
if (tmpMayaVal.w != 0) {
tmpMayaVal.cartesianize();
}
usdVal[i] = GfVec3d(tmpMayaVal[0],
tmpMayaVal[1],
tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
}
break;
}
case MFnData::kVectorArray: {
MFnVectorArrayData vectorArrayDataFn(attrPlug.asMObject());
if (translateMayaDoubleToUsdSinglePrecision) {
VtVec3fArray usdVal(vectorArrayDataFn.length());
for (unsigned int i = 0; i < vectorArrayDataFn.length(); ++i) {
MVector tmpMayaVal = vectorArrayDataFn[i];
usdVal[i] = GfVec3f((float)tmpMayaVal[0],
(float)tmpMayaVal[1],
(float)tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
} else {
VtVec3dArray usdVal(vectorArrayDataFn.length());
for (unsigned int i = 0; i < vectorArrayDataFn.length(); ++i) {
MVector tmpMayaVal = vectorArrayDataFn[i];
usdVal[i] = GfVec3d(tmpMayaVal[0],
tmpMayaVal[1],
tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
}
break;
}
default:
break;
}
switch (numericDataType) {
case MFnNumericData::kBoolean: {
const bool usdVal(attrPlug.asBool());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::kByte:
case MFnNumericData::kChar: {
const int usdVal(attrPlug.asChar());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::kShort: {
const int usdVal(attrPlug.asShort());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::kInt: {
const int usdVal(attrPlug.asInt());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::k2Short: {
short tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
return usdAttr.Set(GfVec2i(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k2Int: {
int tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
return usdAttr.Set(GfVec2i(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k3Short: {
short tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
return usdAttr.Set(GfVec3i(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::k3Int: {
int tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
return usdAttr.Set(GfVec3i(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::kFloat: {
const float usdVal(attrPlug.asFloat());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::k2Float: {
float tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
return usdAttr.Set(GfVec2f(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k3Float: {
float tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
return _SetVec(usdAttr, GfVec3f(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::kDouble: {
const double usdVal(attrPlug.asDouble());
if (translateMayaDoubleToUsdSinglePrecision) {
return usdAttr.Set((float)usdVal, usdTime);
} else {
return usdAttr.Set(usdVal, usdTime);
}
break;
}
case MFnNumericData::k2Double: {
double tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
if (translateMayaDoubleToUsdSinglePrecision) {
return usdAttr.Set(GfVec2f((float)tmp1, (float)tmp2), usdTime);
} else {
return usdAttr.Set(GfVec2d(tmp1, tmp2), usdTime);
}
break;
}
case MFnNumericData::k3Double: {
double tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
if (translateMayaDoubleToUsdSinglePrecision) {
return _SetVec(usdAttr,
GfVec3f((float)tmp1,
(float)tmp2,
(float)tmp3),
usdTime);
} else {
return _SetVec(usdAttr, GfVec3d(tmp1, tmp2, tmp3), usdTime);
}
break;
}
case MFnNumericData::k4Double: {
double tmp1, tmp2, tmp3, tmp4;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3, tmp4);
if (translateMayaDoubleToUsdSinglePrecision) {
return _SetVec(usdAttr,
GfVec4f((float)tmp1,
(float)tmp2,
(float)tmp3,
(float)tmp4),
usdTime);
} else {
return _SetVec(usdAttr,
GfVec4d(tmp1, tmp2, tmp3, tmp4),
usdTime);
}
break;
}
default:
break;
}
switch (unitDataType) {
case MFnUnitAttribute::kAngle:
case MFnUnitAttribute::kDistance:
if (translateMayaDoubleToUsdSinglePrecision) {
const float usdVal(attrPlug.asFloat());
return usdAttr.Set(usdVal, usdTime);
} else {
const double usdVal(attrPlug.asDouble());
return usdAttr.Set(usdVal, usdTime);
}
break;
default:
break;
}
return false;
}
int
main(int argc, char *argv[])
{
// GfVec2f
{
float vals[] = { 1.0f, 2.0f };
GfVec2f v(vals);
TF_AXIOM(v == GfVec2f(1,2));
float const *f = v.GetArray();
TF_AXIOM(f[0] == 1 and f[1] == 2);
}
// GfVec2i
{
int vals[] = { 1, 2 };
GfVec2i v(vals);
TF_AXIOM(v == GfVec2i(1,2));
int const *i = v.GetArray();
TF_AXIOM(i[0] == 1 and i[1] == 2);
v.Set(0, 1);
TF_AXIOM(v == GfVec2i(0,1));
}
// GfVec3i
{
int vals[] = { 1, 2, 3 };
GfVec3i v(vals);
TF_AXIOM(v == GfVec3i(1,2,3));
int const *i = v.GetArray();
TF_AXIOM(i[0] == 1 and i[1] == 2 and i[2] == 3);
v.Set(0, 1, 2);
TF_AXIOM(v == GfVec3i(0,1,2));
}
// GfVec4i
{
int vals[] = { 1, 2, 3, 4 };
GfVec4i v(vals);
TF_AXIOM(v == GfVec4i(1,2,3,4));
int const *i = v.GetArray();
TF_AXIOM(i[0] == 1 and i[1] == 2 and i[2] == 3 and i[3] == 4);
v.Set(0, 1, 2, 3);
TF_AXIOM(v == GfVec4i(0,1,2,3));
}
// GfVec3f
{
float vals[] = { 1.0f, 2.0f, 3.0f };
GfVec3f v(vals);
TF_AXIOM(v == GfVec3f(1,2,3));
float const *f = v.GetArray();
TF_AXIOM(f[0] == 1 and f[1] == 2 and f[2] == 3);
}
// GfVec4f
{
float vals[] = { 1.0f, 2.0f, 3.0f, 4.0f };
GfVec4f v(vals);
TF_AXIOM(v == GfVec4f(1,2,3,4));
float const *f = v.GetArray();
TF_AXIOM(f[0] == 1 and f[1] == 2 and f[2] == 3 and f[3] == 4);
}
// GfSize2, GfSize3
{
size_t vals[] = {1, 2, 3};
TF_AXIOM(GfSize2(vals) == GfSize2(1,2));
TF_AXIOM(GfSize3(vals) == GfSize3(1,2,3));
}
// GfMatrix2d
{
double vals[2][2] = {{1, 0},
{0, 1}};
TF_AXIOM(GfMatrix2d(vals) == GfMatrix2d(1));
GfMatrix2d m(vals);
double const *d = m.GetArray();
TF_AXIOM(d[0] == 1 and d[1] == 0 and
d[2] == 0 and d[3] == 1);
}
// GfMatrix2f
{
float vals[2][2] = {{1, 0},
{0, 1}};
TF_AXIOM(GfMatrix2f(vals) == GfMatrix2f(1));
GfMatrix2f m(vals);
float const *f = m.GetArray();
TF_AXIOM(f[0] == 1 and f[1] == 0 and
f[2] == 0 and f[3] == 1);
}
// GfMatrix3d
{
double vals[3][3] = {{1, 0, 0},
{0, 1, 0},
{0, 0, 1}};
TF_AXIOM(GfMatrix3d(vals) == GfMatrix3d(1));
GfMatrix3d m(vals);
double const *d = m.GetArray();
TF_AXIOM(d[0] == 1 and d[1] == 0 and d[2] == 0 and
d[3] == 0 and d[4] == 1 and d[5] == 0 and
d[6] == 0 and d[7] == 0 and d[8] == 1);
}
// GfMatrix4d
{
double vals[4][4] = {{1, 0, 0, 0},
{0, 1, 0, 0},
{0, 0, 1, 0},
{0, 0, 0, 1}};
TF_AXIOM(GfMatrix4d(vals) == GfMatrix4d(1));
GfMatrix4d m(vals);
double const *d = m.GetArray();
TF_AXIOM(d[ 0] == 1 and d[ 1] == 0 and d[ 2] == 0 and d[ 3] == 0 and
d[ 4] == 0 and d[ 5] == 1 and d[ 6] == 0 and d[ 7] == 0 and
d[ 8] == 0 and d[ 9] == 0 and d[10] == 1 and d[11] == 0 and
d[12] == 0 and d[13] == 0 and d[14] == 0 and d[15] == 1);
}
// half
{
float halfPosInf = half::posInf();
TF_AXIOM(not std::isfinite(halfPosInf));
TF_AXIOM(std::isinf(halfPosInf));
float halfNegInf = half::negInf();
TF_AXIOM(not std::isfinite(halfNegInf));
TF_AXIOM(std::isinf(halfNegInf));
float halfqNan = half::qNan();
TF_AXIOM(std::isnan(halfqNan));
float halfsNan = half::sNan();
TF_AXIOM(std::isnan(halfsNan));
}
return 0;
}
void
USDVMP::draw(FnKat::ViewerModifierInput& input)
{
TF_DEBUG(KATANA_DEBUG_VMP_USD).Msg("%s @ %p : %s\n",
TF_FUNC_NAME().c_str(), this, _prim.GetPath().GetString().c_str());
// Render
if (_stage) {
// Get draw options needed for styling.
bool isSelected = input.getDrawOption("selected");
bool drawPoints = input.getDrawOption("fillPoints");
bool drawWireframe = input.getDrawOption("fillWireframe");
bool drawSmooth = input.getDrawOption("shadingSmooth");
bool isPicking = input.getDrawOption("isPicking");
// Clear out override color
_params.overrideColor[3] = 0.0f;
// Determine the approrpiate draw mode based on the styling options.
if ( drawSmooth ) {
if (_GetProxyOverlayMode() == _tokens->wireframe) {
_params.drawMode = UsdImagingGL::DRAW_WIREFRAME_ON_SURFACE;
} else {
_params.drawMode = UsdImagingGL::DRAW_SHADED_SMOOTH;
}
}
if ( drawWireframe ) {
_params.drawMode = UsdImagingGL::DRAW_WIREFRAME;
}
if ( drawPoints ) {
// TODO: support draw points
_params.drawMode = UsdImagingGL::DRAW_POINTS;
}
// If this gprim is selected setup drawmode and selection color.
if ( isSelected ) {
_params.drawMode = UsdImagingGL::DRAW_GEOM_SMOOTH;
_params.overrideColor = GfVec4f(0.0f, 1.0f, 1.0f, 1.0f);
glColor4fv(_params.overrideColor.GetArray());
}
if (isPicking) {
if(input.getDrawOption("hasPickColor") == 1) {
GfVec4f pickColor(0, 0, 0, 1);
pickColor[0] = input.getDrawOptionFloat("pickColorR");
pickColor[1] = input.getDrawOptionFloat("pickColorG");
pickColor[2] = input.getDrawOptionFloat("pickColorB");
_params.overrideColor = pickColor;
}
else {
// Most horrible hack in the world :(
// Katana does it's picking by setting a shader
// that takes a pick id and renders geometry with
// the color representation of that id.
// Unfortunately if we are using Hydra, we need to
// use our own shaders. To get around this, we are
// using specific knowledge of the katana pick shader
// to extract the pick id and set our own override color
// based on this id. This is basically emulating what the
// katana shader is doing.
GLint program = -1;
glGetIntegerv(GL_CURRENT_PROGRAM, &program);
TF_VERIFY(program != -1);
GLint kat_PickIdLoc = glGetUniformLocation(program, "kat_PickId");
if (TF_VERIFY(kat_PickIdLoc != -1)) {
GLint kat_PickId;
glGetUniformiv(program, kat_PickIdLoc, &kat_PickId);
// Simulate pick id with color
_params.overrideColor = GfVec4f(
((float)((kat_PickId >> 0 ) & 0xff)) / 255.0f,
((float)((kat_PickId >> 8 ) & 0xff)) / 255.0f,
((float)((kat_PickId >> 16 ) & 0xff)) / 255.0f,
1.0f);
}
}
// Using DRAW_GEOM_ONLY will disable lighting and make
// sure we are rendering a solid color
_params.drawMode = UsdImagingGL::DRAW_GEOM_ONLY;
}
// Save and restore shader settings around render call
// because hydra does not restore shader state.
GLint oldProgram = -1;
glGetIntegerv(GL_CURRENT_PROGRAM, &oldProgram);
if (TF_VERIFY(_renderer)) {
_renderer->SetCameraStateFromOpenGL();
glPushAttrib(GL_LIGHTING_BIT | GL_ENABLE_BIT);
if (_GetProxyOverlayMode() == _tokens->ghosted) {
glEnable(GL_LIGHT0);
float f = 0.1;
float params[4] = { f, 0.0, f, 1.0 };
glLightfv(GL_LIGHT0, GL_AMBIENT, params);
}
_renderer->SetLightingStateFromOpenGL();
glPopAttrib();
// The multi-threaded Usd Op may be loading or unloading models on
// the stage we need, so we grab the global lock in reader mode
// before rendering.
boost::shared_lock<boost::upgrade_mutex>
readerLock(UsdKatanaGetStageLock());
_renderer->Render(_prim, _params);
}
// Restore old shader
glUseProgram(oldProgram);
}
void
My_TestGLDrawing::InitTest()
{
_renderIndex = HdRenderIndex::New(&_renderDelegate);
TF_VERIFY(_renderIndex != nullptr);
_delegate = new Hdx_UnitTestDelegate(_renderIndex);
_delegate->SetRefineLevel(_refineLevel);
// prepare render task
SdfPath renderSetupTask("/renderSetupTask");
SdfPath renderTask("/renderTask");
_delegate->AddRenderSetupTask(renderSetupTask);
_delegate->AddRenderTask(renderTask);
// render task parameters.
HdxRenderTaskParams param
= _delegate->GetTaskParam(
renderSetupTask, HdTokens->params).Get<HdxRenderTaskParams>();
param.enableLighting = true; // use default lighting
_delegate->SetTaskParam(renderSetupTask, HdTokens->params, VtValue(param));
_delegate->SetTaskParam(renderTask, HdTokens->collection,
VtValue(HdRprimCollection(HdTokens->geometry,
_reprName)));
// prepare scene
// To ensure that the non-aggregated element index returned via picking,
// we need to have at least two cubes with uniform colors.
GfVec4f red(1,0,0,1), green(0,1,0,1), blue(0,0,1,1),
yellow(1,1,0,1), magenta(1,0,1,1), cyan(0,1,1,1),
white(1,1,1,1), black(0,0,0,1);
GfVec4f faceColors[] = { red, green, blue, yellow, magenta, cyan};
VtValue faceColor = VtValue(_BuildArray(&faceColors[0],
sizeof(faceColors)/sizeof(faceColors[0])));
GfVec4f vertColors[] = { white, blue, green, yellow,
black, blue, magenta, red};
VtValue vertColor = VtValue(_BuildArray(&vertColors[0],
sizeof(vertColors)/sizeof(vertColors[0])));
_delegate->AddCube(SdfPath("/cube0"), _GetTranslate( 5, 0, 5),
/*guide=*/false, /*instancerId=*/SdfPath(),
/*scheme=*/PxOsdOpenSubdivTokens->catmark,
/*color=*/faceColor,
/*colorInterpolation=*/Hdx_UnitTestDelegate::UNIFORM);
_delegate->AddCube(SdfPath("/cube1"), _GetTranslate(-5, 0, 5),
/*guide=*/false, /*instancerId=*/SdfPath(),
/*scheme=*/PxOsdOpenSubdivTokens->catmark,
/*color=*/faceColor,
/*colorInterpolation=*/Hdx_UnitTestDelegate::UNIFORM);
_delegate->AddCube(SdfPath("/cube2"), _GetTranslate(-5, 0,-5));
_delegate->AddCube(SdfPath("/cube3"), _GetTranslate( 5, 0,-5),
/*guide=*/false, /*instancerId=*/SdfPath(),
/*scheme=*/PxOsdOpenSubdivTokens->catmark,
/*color=*/vertColor,
/*colorInterpolation=*/Hdx_UnitTestDelegate::VERTEX);
{
_delegate->AddInstancer(SdfPath("/instancerTop"));
_delegate->AddCube(SdfPath("/protoTop"),
GfMatrix4d(1), false, SdfPath("/instancerTop"));
std::vector<SdfPath> prototypes;
prototypes.push_back(SdfPath("/protoTop"));
VtVec3fArray scale(3);
VtVec4fArray rotate(3);
VtVec3fArray translate(3);
VtIntArray prototypeIndex(3);
scale[0] = GfVec3f(1);
rotate[0] = GfVec4f(0);
translate[0] = GfVec3f(3, 0, 2);
prototypeIndex[0] = 0;
scale[1] = GfVec3f(1);
rotate[1] = GfVec4f(0);
translate[1] = GfVec3f(0, 0, 2);
prototypeIndex[1] = 0;
scale[2] = GfVec3f(1);
rotate[2] = GfVec4f(0);
translate[2] = GfVec3f(-3, 0, 2);
prototypeIndex[2] = 0;
_delegate->SetInstancerProperties(SdfPath("/instancerTop"),
prototypeIndex,
scale, rotate, translate);
}
{
_delegate->AddInstancer(SdfPath("/instancerBottom"));
_delegate->AddCube(SdfPath("/protoBottom"),
GfMatrix4d(1), false, SdfPath("/instancerBottom"));
std::vector<SdfPath> prototypes;
prototypes.push_back(SdfPath("/protoBottom"));
VtVec3fArray scale(3);
VtVec4fArray rotate(3);
VtVec3fArray translate(3);
VtIntArray prototypeIndex(3);
scale[0] = GfVec3f(1);
rotate[0] = GfVec4f(0);
translate[0] = GfVec3f(3, 0, -2);
prototypeIndex[0] = 0;
scale[1] = GfVec3f(1);
rotate[1] = GfVec4f(0);
translate[1] = GfVec3f(0, 0, -2);
prototypeIndex[1] = 0;
scale[2] = GfVec3f(1);
rotate[2] = GfVec4f(0);
translate[2] = GfVec3f(-3, 0, -2);
prototypeIndex[2] = 0;
_delegate->SetInstancerProperties(SdfPath("/instancerBottom"),
prototypeIndex,
scale, rotate, translate);
}
SetCameraTranslate(GfVec3f(0, 0, -20));
// XXX: Setup a VAO, the current drawing engine will not yet do this.
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glBindVertexArray(0);
}
void
HdRprim::_PopulateConstantPrimVars(HdSceneDelegate* delegate,
HdDrawItem *drawItem,
HdDirtyBits *dirtyBits)
{
HD_TRACE_FUNCTION();
HF_MALLOC_TAG_FUNCTION();
SdfPath const& id = GetId();
HdRenderIndex &renderIndex = delegate->GetRenderIndex();
HdResourceRegistry *resourceRegistry = &HdResourceRegistry::GetInstance();
// XXX: this should be in a different method
// XXX: This should be in HdSt getting the HdSt Shader
const HdShader *shader = static_cast<const HdShader *>(
renderIndex.GetSprim(HdPrimTypeTokens->shader,
_surfaceShaderID));
if (shader == nullptr) {
shader = static_cast<const HdShader *>(
renderIndex.GetFallbackSprim(HdPrimTypeTokens->shader));
}
_sharedData.surfaceShader = shader->GetShaderCode();
// update uniforms
HdBufferSourceVector sources;
if (HdChangeTracker::IsTransformDirty(*dirtyBits, id)) {
GfMatrix4d transform = delegate->GetTransform(id);
_sharedData.bounds.SetMatrix(transform); // for CPU frustum culling
HdBufferSourceSharedPtr source(new HdVtBufferSource(
HdTokens->transform,
transform));
sources.push_back(source);
source.reset(new HdVtBufferSource(HdTokens->transformInverse,
transform.GetInverse()));
sources.push_back(source);
// if this is a prototype (has instancer),
// also push the instancer transform separately.
if (!_instancerID.IsEmpty()) {
// gather all instancer transforms in the instancing hierarchy
VtMatrix4dArray rootTransforms = _GetInstancerTransforms(delegate);
VtMatrix4dArray rootInverseTransforms(rootTransforms.size());
bool leftHanded = transform.IsLeftHanded();
for (size_t i = 0; i < rootTransforms.size(); ++i) {
rootInverseTransforms[i] = rootTransforms[i].GetInverse();
// flip the handedness if necessary
leftHanded ^= rootTransforms[i].IsLeftHanded();
}
source.reset(new HdVtBufferSource(
HdTokens->instancerTransform,
rootTransforms, /*staticArray=*/true));
sources.push_back(source);
source.reset(new HdVtBufferSource(
HdTokens->instancerTransformInverse,
rootInverseTransforms, /*staticArray=*/true));
sources.push_back(source);
// XXX: It might be worth to consider to have isFlipped
// for non-instanced prims as well. It can improve
// the drawing performance on older-GPUs by reducing
// fragment shader cost, although it needs more GPU memory.
// set as int (GLSL needs 32-bit align for bool)
source.reset(new HdVtBufferSource(
HdTokens->isFlipped, VtValue(int(leftHanded))));
sources.push_back(source);
}
}
if (HdChangeTracker::IsExtentDirty(*dirtyBits, id)) {
_sharedData.bounds.SetRange(GetExtent(delegate));
GfVec3d const & localMin = drawItem->GetBounds().GetBox().GetMin();
HdBufferSourceSharedPtr sourceMin(new HdVtBufferSource(
HdTokens->bboxLocalMin,
VtValue(GfVec4f(
localMin[0],
localMin[1],
localMin[2], 0))));
sources.push_back(sourceMin);
GfVec3d const & localMax = drawItem->GetBounds().GetBox().GetMax();
HdBufferSourceSharedPtr sourceMax(new HdVtBufferSource(
HdTokens->bboxLocalMax,
VtValue(GfVec4f(
localMax[0],
localMax[1],
localMax[2], 0))));
sources.push_back(sourceMax);
}
if (HdChangeTracker::IsPrimIdDirty(*dirtyBits, id)) {
GfVec4f primIdColor;
int32_t primId = GetPrimId();
HdBufferSourceSharedPtr source(new HdVtBufferSource(
HdTokens->primID,
VtValue(primId)));
sources.push_back(source);
}
if (HdChangeTracker::IsAnyPrimVarDirty(*dirtyBits, id)) {
TfTokenVector primVarNames = delegate->GetPrimVarConstantNames(id);
sources.reserve(sources.size()+primVarNames.size());
TF_FOR_ALL(nameIt, primVarNames) {
if (HdChangeTracker::IsPrimVarDirty(*dirtyBits, id, *nameIt)) {
VtValue value = delegate->Get(id, *nameIt);
// XXX Hydra doesn't support string primvar yet
if (value.IsHolding<std::string>()) continue;
if (!value.IsEmpty()) {
HdBufferSourceSharedPtr source(
new HdVtBufferSource(*nameIt, value));
// if it's an unacceptable type, skip it (e.g. std::string)
if (source->GetNumComponents() > 0) {
sources.push_back(source);
}
}
}
}
}
void
My_TestGLDrawing::InitTest()
{
_renderIndex = HdRenderIndex::New(&_renderDelegate);
TF_VERIFY(_renderIndex != nullptr);
_delegate = new Hdx_UnitTestDelegate(_renderIndex);
_delegate->SetRefineLevel(_refineLevel);
// prepare render task
SdfPath renderSetupTask("/renderSetupTask");
SdfPath renderTask("/renderTask");
_delegate->AddRenderSetupTask(renderSetupTask);
_delegate->AddRenderTask(renderTask);
// render task parameters.
HdxRenderTaskParams param
= _delegate->GetTaskParam(
renderSetupTask, HdTokens->params).Get<HdxRenderTaskParams>();
param.enableLighting = true; // use default lighting
_delegate->SetTaskParam(renderSetupTask, HdTokens->params, VtValue(param));
_delegate->SetTaskParam(renderTask, HdTokens->collection,
VtValue(HdRprimCollection(HdTokens->geometry,
_reprName)));
// prepare scene
_delegate->AddCube(SdfPath("/cube0"), _GetTranslate( 5, 0, 5));
_delegate->AddCube(SdfPath("/cube1"), _GetTranslate(-5, 0, 5));
_delegate->AddCube(SdfPath("/cube2"), _GetTranslate(-5, 0,-5));
_delegate->AddCube(SdfPath("/cube3"), _GetTranslate( 5, 0,-5));
{
_delegate->AddInstancer(SdfPath("/instancerTop"));
_delegate->AddCube(SdfPath("/protoTop"),
GfMatrix4d(1), false, SdfPath("/instancerTop"));
std::vector<SdfPath> prototypes;
prototypes.push_back(SdfPath("/protoTop"));
VtVec3fArray scale(3);
VtVec4fArray rotate(3);
VtVec3fArray translate(3);
VtIntArray prototypeIndex(3);
scale[0] = GfVec3f(1);
rotate[0] = GfVec4f(0);
translate[0] = GfVec3f(3, 0, 2);
prototypeIndex[0] = 0;
scale[1] = GfVec3f(1);
rotate[1] = GfVec4f(0);
translate[1] = GfVec3f(0, 0, 2);
prototypeIndex[1] = 0;
scale[2] = GfVec3f(1);
rotate[2] = GfVec4f(0);
translate[2] = GfVec3f(-3, 0, 2);
prototypeIndex[2] = 0;
_delegate->SetInstancerProperties(SdfPath("/instancerTop"),
prototypeIndex,
scale, rotate, translate);
}
{
_delegate->AddInstancer(SdfPath("/instancerBottom"));
_delegate->AddCube(SdfPath("/protoBottom"),
GfMatrix4d(1), false, SdfPath("/instancerBottom"));
std::vector<SdfPath> prototypes;
prototypes.push_back(SdfPath("/protoBottom"));
VtVec3fArray scale(3);
VtVec4fArray rotate(3);
VtVec3fArray translate(3);
VtIntArray prototypeIndex(3);
scale[0] = GfVec3f(1);
rotate[0] = GfVec4f(0);
translate[0] = GfVec3f(3, 0, -2);
prototypeIndex[0] = 0;
scale[1] = GfVec3f(1);
rotate[1] = GfVec4f(0);
translate[1] = GfVec3f(0, 0, -2);
prototypeIndex[1] = 0;
scale[2] = GfVec3f(1);
rotate[2] = GfVec4f(0);
translate[2] = GfVec3f(-3, 0, -2);
prototypeIndex[2] = 0;
_delegate->SetInstancerProperties(SdfPath("/instancerBottom"),
prototypeIndex,
scale, rotate, translate);
}
SetCameraTranslate(GfVec3f(0, 0, -20));
// XXX: Setup a VAO, the current drawing engine will not yet do this.
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glBindVertexArray(0);
}
void
GlfSimpleLightingContext::SetStateFromOpenGL()
{
// import classic GL light's parameters into shaded lights
SetUseLighting(glIsEnabled(GL_LIGHTING));
GfMatrix4d worldToViewMatrix;
glGetDoublev(GL_MODELVIEW_MATRIX, worldToViewMatrix.GetArray());
GfMatrix4d viewToWorldMatrix = worldToViewMatrix.GetInverse();
GLint nLights = 0;
glGetIntegerv(GL_MAX_LIGHTS, &nLights);
GlfSimpleLightVector lights;
lights.reserve(nLights);
GlfSimpleLight light;
for(int i = 0; i < nLights; ++i)
{
int lightName = GL_LIGHT0 + i;
if (glIsEnabled(lightName)) {
GLfloat position[4], color[4];
glGetLightfv(lightName, GL_POSITION, position);
light.SetPosition(GfVec4f(position)*viewToWorldMatrix);
glGetLightfv(lightName, GL_AMBIENT, color);
light.SetAmbient(GfVec4f(color));
glGetLightfv(lightName, GL_DIFFUSE, color);
light.SetDiffuse(GfVec4f(color));
glGetLightfv(lightName, GL_SPECULAR, color);
light.SetSpecular(GfVec4f(color));
lights.push_back(light);
}
}
SetLights(lights);
GlfSimpleMaterial material;
GLfloat color[4], shininess;
glGetMaterialfv(GL_FRONT, GL_AMBIENT, color);
material.SetAmbient(GfVec4f(color));
glGetMaterialfv(GL_FRONT, GL_DIFFUSE, color);
material.SetDiffuse(GfVec4f(color));
glGetMaterialfv(GL_FRONT, GL_SPECULAR, color);
material.SetSpecular(GfVec4f(color));
glGetMaterialfv(GL_FRONT, GL_EMISSION, color);
material.SetEmission(GfVec4f(color));
glGetMaterialfv(GL_FRONT, GL_SHININESS, &shininess);
// clamp to 0.0001, since pow(0,0) is undefined in GLSL.
shininess = std::max(0.0001f, shininess);
material.SetShininess(shininess);
SetMaterial(material);
GfVec4f sceneAmbient;
glGetFloatv(GL_LIGHT_MODEL_AMBIENT, &sceneAmbient[0]);
SetSceneAmbient(sceneAmbient);
}
