diff options
Diffstat (limited to 'intern/cycles/hydra/render_pass.cpp')
| -rw-r--r-- | intern/cycles/hydra/render_pass.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/intern/cycles/hydra/render_pass.cpp b/intern/cycles/hydra/render_pass.cpp new file mode 100644 index 00000000000..9d47dfc5c8d --- /dev/null +++ b/intern/cycles/hydra/render_pass.cpp @@ -0,0 +1,175 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright 2022 NVIDIA Corporation + * Copyright 2022 Blender Foundation */ + +#include "hydra/render_pass.h" +#include "hydra/camera.h" +#include "hydra/display_driver.h" +#include "hydra/output_driver.h" +#include "hydra/render_buffer.h" +#include "hydra/render_delegate.h" +#include "hydra/session.h" +#include "scene/camera.h" +#include "scene/integrator.h" +#include "scene/scene.h" +#include "session/session.h" + +#include <pxr/imaging/hd/renderPassState.h> + +HDCYCLES_NAMESPACE_OPEN_SCOPE + +HdCyclesRenderPass::HdCyclesRenderPass(HdRenderIndex *index, + HdRprimCollection const &collection, + HdCyclesSession *renderParam) + : HdRenderPass(index, collection), _renderParam(renderParam) +{ + Session *const session = _renderParam->session; + // Reset cancel state so session thread can continue rendering + session->progress.reset(); + + session->set_output_driver(make_unique<HdCyclesOutputDriver>(renderParam)); + + const auto renderDelegate = static_cast<const HdCyclesDelegate *>( + GetRenderIndex()->GetRenderDelegate()); + if (renderDelegate->IsDisplaySupported()) { + session->set_display_driver( + make_unique<HdCyclesDisplayDriver>(renderParam, renderDelegate->GetHgi())); + } +} + +HdCyclesRenderPass::~HdCyclesRenderPass() +{ + Session *const session = _renderParam->session; + session->cancel(true); +} + +bool HdCyclesRenderPass::IsConverged() const +{ + for (const HdRenderPassAovBinding &aovBinding : _renderParam->GetAovBindings()) { + if (aovBinding.renderBuffer && !aovBinding.renderBuffer->IsConverged()) { + return false; + } + } + + return true; +} + +void HdCyclesRenderPass::ResetConverged() +{ + for (const HdRenderPassAovBinding &aovBinding : _renderParam->GetAovBindings()) { + if (const auto renderBuffer = static_cast<HdCyclesRenderBuffer *>(aovBinding.renderBuffer)) { + renderBuffer->SetConverged(false); + } + } +} + +void HdCyclesRenderPass::_Execute(const HdRenderPassStateSharedPtr &renderPassState, + const TfTokenVector &renderTags) +{ + Scene *const scene = _renderParam->session->scene; + Session *const session = _renderParam->session; + + if (session->progress.get_cancel()) { + return; // Something went wrong and cannot continue without recreating the session + } + + if (scene->mutex.try_lock()) { + const auto renderDelegate = static_cast<HdCyclesDelegate *>( + GetRenderIndex()->GetRenderDelegate()); + + const unsigned int settingsVersion = renderDelegate->GetRenderSettingsVersion(); + + // Update requested AOV bindings + const HdRenderPassAovBindingVector &aovBindings = renderPassState->GetAovBindings(); + if (_renderParam->GetAovBindings() != aovBindings || + // Need to resync passes when denoising is enabled or disabled to update the pass mode + (settingsVersion != _lastSettingsVersion && + scene->integrator->use_denoise_is_modified())) { + _renderParam->SyncAovBindings(aovBindings); + + if (renderDelegate->IsDisplaySupported()) { + // Update display pass to the first requested color AOV + HdRenderPassAovBinding displayAovBinding = !aovBindings.empty() ? aovBindings.front() : + HdRenderPassAovBinding(); + if (displayAovBinding.aovName == HdAovTokens->color && displayAovBinding.renderBuffer) { + _renderParam->SetDisplayAovBinding(displayAovBinding); + } + else { + _renderParam->SetDisplayAovBinding(HdRenderPassAovBinding()); + } + } + } + + // Update camera dimensions to the viewport size +#if PXR_VERSION >= 2102 + CameraUtilFraming framing = renderPassState->GetFraming(); + if (!framing.IsValid()) { + const GfVec4f vp = renderPassState->GetViewport(); + framing = CameraUtilFraming(GfRect2i(GfVec2i(0), int(vp[2]), int(vp[3]))); + } + + scene->camera->set_full_width(framing.dataWindow.GetWidth()); + scene->camera->set_full_height(framing.dataWindow.GetHeight()); +#else + const GfVec4f vp = renderPassState->GetViewport(); + scene->camera->set_full_width(int(vp[2])); + scene->camera->set_full_height(int(vp[3])); +#endif + + if (const auto camera = static_cast<const HdCyclesCamera *>(renderPassState->GetCamera())) { + camera->ApplyCameraSettings(scene->camera); + } + else { + HdCyclesCamera::ApplyCameraSettings(renderPassState->GetWorldToViewMatrix(), + renderPassState->GetProjectionMatrix(), + renderPassState->GetClipPlanes(), + scene->camera); + } + + // Reset session if the session, scene, camera or AOV bindings changed + if (scene->need_reset() || settingsVersion != _lastSettingsVersion) { + _lastSettingsVersion = settingsVersion; + + // Reset convergence state of all render buffers + ResetConverged(); + + BufferParams buffer_params; +#if PXR_VERSION >= 2102 + buffer_params.full_x = static_cast<int>(framing.displayWindow.GetMin()[0]); + buffer_params.full_y = static_cast<int>(framing.displayWindow.GetMin()[1]); + buffer_params.full_width = static_cast<int>(framing.displayWindow.GetSize()[0]); + buffer_params.full_height = static_cast<int>(framing.displayWindow.GetSize()[1]); + + buffer_params.window_x = framing.dataWindow.GetMinX() - buffer_params.full_x; + buffer_params.window_y = framing.dataWindow.GetMinY() - buffer_params.full_y; + buffer_params.window_width = framing.dataWindow.GetWidth(); + buffer_params.window_height = framing.dataWindow.GetHeight(); + + buffer_params.width = buffer_params.window_width; + buffer_params.height = buffer_params.window_height; +#else + buffer_params.width = static_cast<int>(vp[2]); + buffer_params.height = static_cast<int>(vp[3]); + buffer_params.full_width = buffer_params.width; + buffer_params.full_height = buffer_params.height; + buffer_params.window_width = buffer_params.width; + buffer_params.window_height = buffer_params.height; +#endif + + session->reset(session->params, buffer_params); + } + + scene->mutex.unlock(); + + // Start Cycles render thread if not already running + session->start(); + } + + session->draw(); +} + +void HdCyclesRenderPass::_MarkCollectionDirty() +{ +} + +HDCYCLES_NAMESPACE_CLOSE_SCOPE |