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// Copyright (C) 2016 Paul Lemire
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "materialparametergathererjob_p.h"
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/renderpassfilternode_p.h>
#include <Qt3DRender/private/techniquefilternode_p.h>
#include <Qt3DRender/private/job_common_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
namespace {
int materialParameterGathererCounter = 0;
const int likelyNumberOfParameters = 24;
} // anonymous
class MaterialParameterGathererJobPrivate : public Qt3DCore::QAspectJobPrivate
{
public:
MaterialParameterGathererJobPrivate(MaterialParameterGathererJob *q) : q_ptr(q) { }
~MaterialParameterGathererJobPrivate() override = default;
bool isRequired() const override;
void postFrame(Qt3DCore::QAspectManager *manager) override;
MaterialParameterGathererJob *q_ptr;
Q_DECLARE_PUBLIC(MaterialParameterGathererJob)
};
bool MaterialParameterGathererJobPrivate::isRequired() const
{
return !q_ptr->m_handles.empty();
}
void MaterialParameterGathererJobPrivate::postFrame(Qt3DCore::QAspectManager *manager)
{
Q_UNUSED(manager);
materialParameterGathererCounter = 0;
}
MaterialParameterGathererJob::MaterialParameterGathererJob()
: Qt3DCore::QAspectJob(*new MaterialParameterGathererJobPrivate(this))
, m_manager(nullptr)
, m_techniqueFilter(nullptr)
, m_renderPassFilter(nullptr)
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::MaterialParameterGathering, materialParameterGathererCounter++)
}
// TechniqueFilter / RenderPassFilter
// Parameters from Material/Effect/Technique
// Note: we could maybe improve that by having a smart update when we detect
// that a parameter value has changed. That might require way more book keeping
// which might make this solution a bit too complex
// The fact that this can now be performed in parallel should already provide a big
// improvement
void MaterialParameterGathererJob::run()
{
for (const HMaterial &materialHandle : std::as_const(m_handles)) {
Material *material = m_manager->materialManager()->data(materialHandle);
if (Q_UNLIKELY(!material->isEnabled()))
continue;
Effect *effect = m_manager->effectManager()->lookupResource(material->effect());
Technique *technique = findTechniqueForEffect(m_manager, m_techniqueFilter, effect);
if (Q_LIKELY(technique != nullptr)) {
RenderPassList passes = findRenderPassesForTechnique(m_manager, m_renderPassFilter, technique);
if (Q_LIKELY(passes.size() > 0)) {
// Order set:
// 1 Pass Filter
// 2 Technique Filter
// 3 Material
// 4 Effect
// 5 Technique
// 6 RenderPass
// Add Parameters define in techniqueFilter and passFilter
// passFilter have priority over techniqueFilter
ParameterInfoList parameters;
// Doing the reserve allows a gain of 0.5ms on some of the demo examples
parameters.reserve(likelyNumberOfParameters);
if (m_renderPassFilter)
parametersFromParametersProvider(¶meters, m_manager->parameterManager(),
m_renderPassFilter);
if (m_techniqueFilter)
parametersFromParametersProvider(¶meters, m_manager->parameterManager(),
m_techniqueFilter);
// Get the parameters for our selected rendering setup (override what was defined in the technique/pass filter)
parametersFromMaterialEffectTechnique(¶meters, m_manager->parameterManager(), material, effect, technique);
for (RenderPass *renderPass : passes) {
ParameterInfoList globalParameters = parameters;
parametersFromParametersProvider(&globalParameters, m_manager->parameterManager(), renderPass);
auto it = m_parameters.find(material->peerId());
if (it != m_parameters.end())
it->push_back({renderPass, globalParameters});
else
m_parameters.insert(material->peerId(), {{renderPass, globalParameters}});
}
}
}
}
}
} // Render
} // Qt3DRender
QT_END_NAMESPACE
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