BogdanNagirniak/blender
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WIP: Support more AOVs #72

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Georgiy Markelov wants to merge 6 commits from DagerD/blender:BLEN-461 into hydra-render
pull from: DagerD/blender:BLEN-461
merge into: BogdanNagirniak:hydra-render

When changing the target branch, be careful to rebase the branch in your fork to match. See documentation.
Conversation 1 Commits 6 Files Changed 6 +107 -41
6 changed files with 107 additions and 41 deletions
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8
scripts/modules/bpy_hydra.py
View File

@ -31,6 +31,10 @@ class CustomHydraRenderEngine(HydraRenderEngine):
'enableTinyPrimCulling': True,
'maxLights': 8,
}
def update_render_passes(self, scene, render_layer):
if render_layer.use_pass_z:
self.register_pass(scene, render_layer, 'Depth', 1, 'Z', 'VALUE')
```
"""
@ -141,6 +145,10 @@ class HydraRenderEngine(bpy.types.RenderEngine):
_bpy_hydra.engine_view_draw(self.engine_ptr, depsgraph.as_pointer(), context.as_pointer())
def update_render_passes(self, scene, render_layer):
""" Register supported AOVs for render. Must be overridden in child classes. """
pass
def export_mtlx(material):
""" Exports material to .mtlx file. It is called from Blender source code. """

85
source/blender/render/hydra/final_engine.cc
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@ -11,22 +11,28 @@
#include "GPU_framebuffer.h"
#include "GPU_texture.h"
#include "PIL_time.h"
#include "BLI_map.hh"
#include "IMB_imbuf_types.h"
#include "camera.h"
#include "final_engine.h"
PXR_NAMESPACE_OPEN_SCOPE
TF_DEFINE_PRIVATE_TOKENS(tokens_, (worldCoordinate));
PXR_NAMESPACE_CLOSE_SCOPE
namespace blender::render::hydra {
void FinalEngine::render(Depsgraph *depsgraph)
{
prepare_for_render(depsgraph);
render_task_delegate_->set_renderer_aov(pxr::HdAovTokens->color);
for (auto &it : render_images_) {
render_task_delegate_->set_renderer_aov(aovs_map_.lookup(it.first));
}
engine_->Execute(render_index_.get(), &tasks_);
std::vector<float> &pixels = render_images_["Combined"];
char elapsed_time[32];
double time_begin = PIL_check_seconds_timer();
float percent_done = 0.0;
@ -47,12 +53,14 @@ void FinalEngine::render(Depsgraph *depsgraph)
if (render_task_delegate_->is_converged()) {
break;
}
render_task_delegate_->get_renderer_aov_data(pxr::HdAovTokens->color, pixels.data());
for (auto &it : render_images_) {
render_task_delegate_->get_renderer_aov_data(aovs_map_.lookup(it.first), it.second.data());
}
update_render_result();
}
render_task_delegate_->get_renderer_aov_data(pxr::HdAovTokens->color, pixels.data());
for (auto &it : render_images_) {
render_task_delegate_->get_renderer_aov_data(aovs_map_.lookup(it.first), it.second.data());
}
update_render_result();
}
@ -111,11 +119,25 @@ void FinalEngine::prepare_for_render(Depsgraph *depsgraph)
free_camera_delegate_->GetCameraId(), pxr::GfVec4d(0, 0, resolution_[0], resolution_[1]));
tasks_ = light_tasks_delegate_->get_tasks();
}
tasks_.push_back(render_task_delegate_->get_task());
for (auto &task : render_task_delegate_->get_tasks()) {
tasks_.push_back(task);
}
render_images_.emplace(
"Combined",
std::vector<float>(resolution_[0] * resolution_[1] * 4)); /* 4 - number of channels. */
aovs_map_.add_new("Combined", pxr::HdAovTokens->color);
aovs_map_.add_new("Depth", pxr::HdAovTokens->depth);
if ((bl_engine_->type->flag & RE_USE_GPU_CONTEXT) == 0) {
aovs_map_.add_new("Normal", pxr::HdAovTokens->normal);
aovs_map_.add_new("Position", pxr::tokens_->worldCoordinate);
}
RenderResult *result = RE_engine_get_result(bl_engine_);
RenderLayer *layer = (RenderLayer *)result->layers.first;
for (RenderPass *pass = (RenderPass *)layer->passes.first; pass != nullptr; pass = pass->next) {
if (aovs_map_.lookup_key_ptr(pass->name)) {
render_images_.emplace(pass->name, std::vector<float>(pass->rectx * pass->recty * pass->channels));
}
}
}
void FinalEngineGPU::render(Depsgraph *depsgraph)
@ -134,7 +156,7 @@ void FinalEngineGPU::render(Depsgraph *depsgraph)
resolution_[0],
resolution_[1],
1,
GPU_DEPTH32F_STENCIL8,
GPU_DEPTH_COMPONENT32F,
GPU_TEXTURE_USAGE_GENERAL,
nullptr);
GPU_texture_filter_mode(tex_color, true);
@ -159,10 +181,10 @@ void FinalEngineGPU::render(Depsgraph *depsgraph)
engine_->Execute(render_index_.get(), &tasks_);
std::vector<float> &pixels = render_images_["Combined"];
char elapsed_time[32];
double time_begin = PIL_check_seconds_timer();
float percent_done = 0.0;
void *data;
while (true) {
if (RE_engine_test_break(bl_engine_)) {
@ -182,17 +204,38 @@ void FinalEngineGPU::render(Depsgraph *depsgraph)
if (render_task_delegate_->is_converged()) {
break;
}
for (auto &it : render_images_) {
if (it.first == "Comdined") {
data = GPU_texture_read(tex_color, GPU_DATA_FLOAT, 0);
memcpy(it.second.data(), data, it.second.size() * sizeof(float));
MEM_freeN(data);
update_render_result();
void *data = GPU_texture_read(tex_color, GPU_DATA_FLOAT, 0);
memcpy(pixels.data(), data, pixels.size() * sizeof(float));
MEM_freeN(data);
update_render_result();
}
if (it.first == "Depth") {
data = GPU_texture_read(tex_depth, GPU_DATA_FLOAT, 0);
memcpy(it.second.data(), data, it.second.size() * sizeof(float));
MEM_freeN(data);
update_render_result();
}
}
}
void *data = GPU_texture_read(tex_color, GPU_DATA_FLOAT, 0);
memcpy(pixels.data(), data, pixels.size() * sizeof(float));
MEM_freeN(data);
update_render_result();
for (auto &it : render_images_) {
if (it.first == "Combined") {
data = GPU_texture_read(tex_color, GPU_DATA_FLOAT, 0);
memcpy(it.second.data(), data, it.second.size() * sizeof(float));
MEM_freeN(data);
update_render_result();
}
if (it.first == "Depth") {
data = GPU_texture_read(tex_depth, GPU_DATA_FLOAT, 0);
memcpy(it.second.data(), data, it.second.size() * sizeof(float));
MEM_freeN(data);
update_render_result();
}
}
glDeleteVertexArrays(1, &VAO);
GPU_framebuffer_free(framebuffer);

1
source/blender/render/hydra/final_engine.h
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@ -24,6 +24,7 @@ class FinalEngine : public Engine {
std::string layer_name_;
std::map<std::string, std::vector<float>> render_images_;
pxr::GfVec2i resolution_;
Map<std::string, pxr::TfToken> aovs_map_;
};
class FinalEngineGPU : public FinalEngine {

41
source/blender/render/hydra/render_task_delegate.cc
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@ -15,20 +15,28 @@ RenderTaskDelegate::RenderTaskDelegate(pxr::HdRenderIndex *parent_index,
pxr::SdfPath const &delegate_id)
: pxr::HdSceneDelegate(parent_index, delegate_id)
{
pxr::SdfPath render_task_id = get_task_id();
GetRenderIndex().InsertTask<pxr::HdxRenderTask>(this, render_task_id);
GetRenderIndex().GetChangeTracker().MarkTaskDirty(render_task_id,
render_task_id_ = GetDelegateID().AppendElementString("task");
GetRenderIndex().InsertTask<pxr::HdxRenderTask>(this, render_task_id_);
GetRenderIndex().GetChangeTracker().MarkTaskDirty(render_task_id_,
pxr::HdChangeTracker::DirtyCollection);
GetRenderIndex().GetChangeTracker().MarkTaskDirty(render_task_id,
GetRenderIndex().GetChangeTracker().MarkTaskDirty(render_task_id_,
pxr::HdChangeTracker::DirtyRenderTags);
task_params_.enableLighting = true;
task_params_.alphaThreshold = 0.1f;
aov_task_id_ = GetDelegateID().AppendElementString("aovTask");
GetRenderIndex().InsertTask<pxr::HdxVisualizeAovTask>(this, aov_task_id_);
GetRenderIndex().GetChangeTracker().MarkTaskDirty(aov_task_id_,
pxr::HdChangeTracker::DirtyCollection);
GetRenderIndex().GetChangeTracker().MarkTaskDirty(aov_task_id_,
pxr::HdChangeTracker::DirtyRenderTags);
}
pxr::SdfPath RenderTaskDelegate::get_task_id() const
pxr::HdTaskSharedPtrVector RenderTaskDelegate::get_tasks()
{
return GetDelegateID().AppendElementString("task");
return {GetRenderIndex().GetTask(aov_task_id_), GetRenderIndex().GetTask(render_task_id_)};
}
pxr::SdfPath RenderTaskDelegate::get_aov_id(pxr::TfToken const &aov) const
@ -38,7 +46,7 @@ pxr::SdfPath RenderTaskDelegate::get_aov_id(pxr::TfToken const &aov) const
bool RenderTaskDelegate::is_converged()
{
pxr::HdTaskSharedPtr renderTask = GetRenderIndex().GetTask(get_task_id());
pxr::HdTaskSharedPtr renderTask = GetRenderIndex().GetTask(render_task_id_);
return ((pxr::HdxRenderTask &)*renderTask).IsConverged();
}
@ -64,7 +72,7 @@ void RenderTaskDelegate::set_renderer_aov(pxr::TfToken const &aov)
binding.aovSettings = aov_desc.aovSettings;
task_params_.aovBindings.push_back(binding);
GetRenderIndex().GetChangeTracker().MarkTaskDirty(get_task_id(),
GetRenderIndex().GetChangeTracker().MarkTaskDirty(render_task_id_,
pxr::HdChangeTracker::DirtyParams);
}
else if (buffer_descriptors_[buffer_id] != desc) {
@ -90,26 +98,27 @@ void RenderTaskDelegate::get_renderer_aov_data(pxr::TfToken const &aov, void *da
buffer->Unmap();
}
pxr::HdTaskSharedPtr RenderTaskDelegate::get_task()
{
return GetRenderIndex().GetTask(get_task_id());
}
void RenderTaskDelegate::set_camera_and_viewport(pxr::SdfPath const &camera_id,
pxr::GfVec4d const &viewport)
{
if (task_params_.viewport != viewport || task_params_.camera != camera_id) {
task_params_.viewport = viewport;
task_params_.camera = camera_id;
GetRenderIndex().GetChangeTracker().MarkTaskDirty(get_task_id(),
GetRenderIndex().GetChangeTracker().MarkTaskDirty(render_task_id_,
pxr::HdChangeTracker::DirtyParams);
}
}
pxr::VtValue RenderTaskDelegate::Get(pxr::SdfPath const & /*id*/, pxr::TfToken const &key)
pxr::VtValue RenderTaskDelegate::Get(pxr::SdfPath const &id, pxr::TfToken const &key)
{
if (key == pxr::HdTokens->params) {
return pxr::VtValue(task_params_);
if (id == aov_task_id_) {
aov_task_params_.aovName = pxr::HdAovTokens->depth;
return pxr::VtValue(aov_task_params_);
}
else if (id == render_task_id_) {
return pxr::VtValue(task_params_);
}
}
if (key == pxr::HdTokens->collection) {
pxr::HdRprimCollection rprim_collection(pxr::HdTokens->geometry,

7
source/blender/render/hydra/render_task_delegate.h
View File

@ -5,6 +5,7 @@
#include <pxr/imaging/hd/sceneDelegate.h>
#include <pxr/imaging/hdx/renderSetupTask.h>
#include <pxr/imaging/hdx/visualizeAovTask.h>
namespace blender::render::hydra {
@ -13,7 +14,7 @@ class RenderTaskDelegate : public pxr::HdSceneDelegate {
RenderTaskDelegate(pxr::HdRenderIndex *parent_index, pxr::SdfPath const &delegate_id);
~RenderTaskDelegate() override = default;
pxr::SdfPath get_task_id() const;
pxr::HdTaskSharedPtrVector get_tasks();
pxr::SdfPath get_aov_id(pxr::TfToken const &aov) const;
bool is_converged();
@ -21,7 +22,6 @@ class RenderTaskDelegate : public pxr::HdSceneDelegate {
pxr::HdRenderBuffer *get_renderer_aov(pxr::TfToken const &id);
void get_renderer_aov_data(pxr::TfToken const &id, void *buf);
pxr::HdTaskSharedPtr get_task();
void set_camera_and_viewport(pxr::SdfPath const &cameraId, pxr::GfVec4d const &viewport);
/* Delegate methods */
@ -30,6 +30,9 @@ class RenderTaskDelegate : public pxr::HdSceneDelegate {
pxr::TfTokenVector GetTaskRenderTags(pxr::SdfPath const &taskId) override;
private:
pxr::SdfPath aov_task_id_;
pxr::SdfPath render_task_id_;
pxr::HdxVisualizeAovTaskParams aov_task_params_;
pxr::HdxRenderTaskParams task_params_;
pxr::TfHashMap<pxr::SdfPath, pxr::HdRenderBufferDescriptor, pxr::SdfPath::Hash>
buffer_descriptors_;

6
source/blender/render/hydra/viewport_engine.cc
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@ -256,8 +256,10 @@ void ViewportEngine::render(Depsgraph * /* depsgraph */, bContext *context)
if (light_tasks_delegate_) {
tasks = light_tasks_delegate_->get_tasks();
}
tasks.push_back(render_task_delegate_->get_task());
for (auto &task : render_task_delegate_->get_tasks()) {
tasks.push_back(task);
}
engine_->Execute(render_index_.get(), &tasks);
if ((bl_engine_->type->flag & RE_USE_GPU_CONTEXT) == 0) {