Hydrogent: use state cache for bound box and env map shaders

Author: TheMostDiligent

Hydrogent/src/Tasks/HnRenderBoundBoxTask.cpp

@@ -144,6 +144,7 @@ void HnRenderBoundBoxTask::Prepare(pxr::HdTaskContext* TaskCtx,
         {
             BoundBoxRenderer::CreateInfo BoundBoxRndrCI;
             BoundBoxRndrCI.pDevice            = pRenderDelegate->GetDevice();
+            BoundBoxRndrCI.pStateCache        = pRenderDelegate->GetRenderStateCache();
             BoundBoxRndrCI.PackMatrixRowMajor = pRenderDelegate->GetUSDRenderer()->GetSettings().PackMatrixRowMajor;
             BoundBoxRndrCI.AsyncShaders       = pRenderParam->GetConfig().AsyncShaderCompilation;
             BoundBoxRndrCI.pCameraAttribsCB   = pRenderDelegate->GetFrameAttribsCB();

Hydrogent/src/Tasks/HnRenderEnvMapTask.cpp

@@ -135,6 +135,7 @@ void HnRenderEnvMapTask::Prepare(pxr::HdTaskContext* TaskCtx,
         {
             EnvMapRenderer::CreateInfo EnvMapRndrCI;
             EnvMapRndrCI.pDevice            = pRenderDelegate->GetDevice();
+            EnvMapRndrCI.pStateCache        = pRenderDelegate->GetRenderStateCache();
             EnvMapRndrCI.pCameraAttribsCB   = pRenderDelegate->GetFrameAttribsCB();
             EnvMapRndrCI.PackMatrixRowMajor = USDRenderer->GetSettings().PackMatrixRowMajor;
             EnvMapRndrCI.NumRenderTargets   = RenderPassState->GetNumRenderTargets();