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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
// ospray
#include "Renderer.h"
#include "LoadBalancer.h"
#include "Material.h"
#include "camera/Camera.h"
#include "common/Instance.h"
#include "common/World.h"
#include "fb/FrameBuffer.h"
#include "geometry/GeometricModel.h"
#include "ospray/OSPEnums.h"
#include "pf/PixelFilter.h"
#ifndef OSPRAY_TARGET_SYCL
#include "render/Renderer_ispc.h"
#include "render/util_ispc.h"
#endif
namespace ospray {
// Renderer definitions ///////////////////////////////////////////////////////
Renderer::Renderer(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device),
device(device),
drtDevice(device.getDRTDevice())
{
managedObjectType = OSP_RENDERER;
pixelFilter = nullptr;
}
std::string Renderer::toString() const
{
return "ospray::Renderer";
}
void Renderer::commit()
{
spp = std::max(1, getParam<int>("pixelSamples", 1));
const float mipBias = getParam<float>("mipMapBias", 0.f);
const uint32_t maxDepth = std::max(0, getParam<int>("maxPathLength", 20));
const float minContribution = getParam<float>("minContribution", 0.001f);
errorThreshold = getParam<float>("varianceThreshold", 0.f);
maxDepthTexture = getParamObject<Texture2D>("map_maxDepth");
backplate = getParamObject<Texture2D>("map_backplate");
featureFlags.reset();
if (maxDepthTexture || backplate)
featureFlags.other |= FFO_TEXTURE_IN_RENDERER;
if (maxDepthTexture) {
if (maxDepthTexture->format != OSP_TEXTURE_R32F
|| maxDepthTexture->filter != OSP_TEXTURE_FILTER_NEAREST) {
static WarnOnce warning(
"maxDepthTexture provided to the renderer "
"needs to be of type OSP_TEXTURE_R32F and have "
"the OSP_TEXTURE_FILTER_NEAREST flag");
}
}
vec3f bgColor3 = getParam<vec3f>(
"backgroundColor", vec3f(getParam<float>("backgroundColor", 0.f)));
bgColor = getParam<vec4f>("backgroundColor", vec4f(bgColor3, 0.f));
// Handle materials assigned to renderer
materialArray = nullptr;
getSh()->material = nullptr;
materialData = getParamDataT<Material *>("material");
if (materialData) {
for (auto &&mat : *materialData)
featureFlags |= mat->getFeatureFlags();
materialArray = devicert::make_buffer_shared_unique<ispc::Material *>(
getISPCDevice().getDRTDevice(),
createArrayOfSh<ispc::Material>(*materialData));
getSh()->numMaterials = materialArray->size();
getSh()->material = materialArray->sharedPtr();
}
getSh()->spp = spp;
getSh()->maxDepth = maxDepth;
getSh()->minContribution = minContribution;
getSh()->bgColor = bgColor;
getSh()->backplate = backplate ? backplate->getSh() : nullptr;
getSh()->maxDepthTexture =
maxDepthTexture ? maxDepthTexture->getSh() : nullptr;
setupPixelFilter();
getSh()->pixelFilter = pixelFilter ? pixelFilter->getSh() : nullptr;
getSh()->mipBiasFactor = powf(2, mipBias);
}
OSPPickResult Renderer::pick(
FrameBuffer *fb, Camera *camera, World *world, const vec2f &screenPos)
{
OSPPickResult res;
res.instance = nullptr;
res.model = nullptr;
res.primID = RTC_INVALID_GEOMETRY_ID;
#ifndef OSPRAY_TARGET_SYCL
int instID = RTC_INVALID_GEOMETRY_ID;
int geomID = RTC_INVALID_GEOMETRY_ID;
int primID = RTC_INVALID_GEOMETRY_ID;
ispc::Renderer_pick(getSh(),
fb->getSh(),
camera->getSh(),
world->getSh(),
(const ispc::vec2f &)screenPos,
(ispc::vec3f &)res.worldPosition[0],
instID,
geomID,
primID,
res.hasHit);
if (res.hasHit) {
auto *instance = (*world->instances)[instID];
auto *group = instance->group.ptr;
if (!group->geometricModels) {
res.hasHit = false;
return res;
}
auto *model = (*group->geometricModels)[geomID];
instance->refInc();
model->refInc();
res.instance = (OSPInstance)instance;
res.model = (OSPGeometricModel)model;
res.primID = static_cast<uint32_t>(primID);
}
#else
// Silence unused parameter warning
(void)fb;
(void)camera;
(void)world;
(void)screenPos;
#endif
return res;
}
void Renderer::setupPixelFilter()
{
const auto pixelFilterType = (OSPPixelFilterType)getParam<uint32_t>(
"pixelFilter", OSPPixelFilterType::OSP_PIXELFILTER_GAUSS);
pixelFilter = nullptr;
switch (pixelFilterType) {
case OSPPixelFilterType::OSP_PIXELFILTER_BOX: {
pixelFilter = new BoxPixelFilter(getISPCDevice());
break;
}
case OSPPixelFilterType::OSP_PIXELFILTER_POINT: {
pixelFilter = new PointPixelFilter(getISPCDevice());
break;
}
case OSPPixelFilterType::OSP_PIXELFILTER_BLACKMAN_HARRIS: {
pixelFilter = new BlackmanHarrisLUTPixelFilter(getISPCDevice());
break;
}
case OSPPixelFilterType::OSP_PIXELFILTER_MITCHELL: {
pixelFilter = new MitchellNetravaliLUTPixelFilter(getISPCDevice());
break;
}
case OSPPixelFilterType::OSP_PIXELFILTER_GAUSS:
default: {
pixelFilter = new GaussianLUTPixelFilter(getISPCDevice());
break;
}
}
if (pixelFilter) {
// Need to remove extra local ref
pixelFilter->refDec();
}
}
OSPTYPEFOR_DEFINITION(Renderer *);
} // namespace ospray
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