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/****************************************************************************
**
** Copyright (C) 2016 Paul Lemire
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#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 Rhi {
namespace {
int materialParameterGathererCounter = 0;
const int likelyNumberOfParameters = 24;
} // anonymous
MaterialParameterGathererJob::MaterialParameterGathererJob()
: Qt3DCore::QAspectJob(),
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 : qAsConst(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);
m_parameters[material->peerId()].push_back({ renderPass, globalParameters });
}
}
}
}
}
} // Rhi
} // Render
} // Qt3DRender
QT_END_NAMESPACE
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