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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "common/Data.h"
#include "common/FeatureFlagsEnum.h"
#include "common/ObjectFactory.h"
// embree
#include "common/Embree.h"
// ispc shared
#include "GeometryShared.h"
namespace ospray {
struct OSPRAY_SDK_INTERFACE Geometry
: public AddStructShared<ISPCDeviceObject, ispc::Geometry>,
public ObjectFactory<Geometry, api::ISPCDevice &>
{
Geometry(api::ISPCDevice &device, const FeatureFlagsGeometry ffg);
virtual ~Geometry() override;
virtual std::string toString() const override;
virtual size_t numPrimitives() const = 0;
void postCreationInfo(size_t numVerts = 0) const;
RTCGeometry getEmbreeGeometry() const;
bool supportAreaLighting() const;
virtual FeatureFlags getFeatureFlags() const;
protected:
RTCGeometry embreeGeometry{nullptr};
FeatureFlagsGeometry featureFlagsGeometry;
void createEmbreeGeometry(RTCGeometryType type);
// NOTE: We now pass intersection functions through Embree RTCIntersectionArgs
// context parameter so that they can be inlined in SYCL
void createEmbreeUserGeometry(RTCBoundsFunction boundsFn);
};
OSPTYPEFOR_SPECIALIZATION(Geometry *, OSP_GEOMETRY);
inline RTCGeometry Geometry::getEmbreeGeometry() const
{
return embreeGeometry;
}
inline bool Geometry::supportAreaLighting() const
{
return (getSh()->sampleArea != nullptr) && (getSh()->getAreas != nullptr);
}
inline FeatureFlags Geometry::getFeatureFlags() const
{
FeatureFlags ff;
ff.geometry = featureFlagsGeometry;
return ff;
}
// convenience wrappers to set Embree buffer //////////////////////////////////
template <typename T>
struct RTCFormatFor
{
static constexpr RTCFormat value = RTC_FORMAT_UNDEFINED;
};
#define RTCFORMATFOR_SPECIALIZATION(type, rtc_format) \
template <> \
struct RTCFormatFor<type> \
{ \
static constexpr RTCFormat value = rtc_format; \
};
RTCFORMATFOR_SPECIALIZATION(char, RTC_FORMAT_CHAR);
RTCFORMATFOR_SPECIALIZATION(unsigned char, RTC_FORMAT_UCHAR);
RTCFORMATFOR_SPECIALIZATION(short, RTC_FORMAT_SHORT);
RTCFORMATFOR_SPECIALIZATION(unsigned short, RTC_FORMAT_USHORT);
RTCFORMATFOR_SPECIALIZATION(int32_t, RTC_FORMAT_INT);
RTCFORMATFOR_SPECIALIZATION(vec2i, RTC_FORMAT_INT2);
RTCFORMATFOR_SPECIALIZATION(vec3i, RTC_FORMAT_INT3);
RTCFORMATFOR_SPECIALIZATION(vec4i, RTC_FORMAT_INT4);
RTCFORMATFOR_SPECIALIZATION(uint32_t, RTC_FORMAT_UINT);
RTCFORMATFOR_SPECIALIZATION(vec2ui, RTC_FORMAT_UINT2);
RTCFORMATFOR_SPECIALIZATION(vec3ui, RTC_FORMAT_UINT3);
RTCFORMATFOR_SPECIALIZATION(vec4ui, RTC_FORMAT_UINT4);
RTCFORMATFOR_SPECIALIZATION(int64_t, RTC_FORMAT_LLONG);
RTCFORMATFOR_SPECIALIZATION(vec2l, RTC_FORMAT_LLONG2);
RTCFORMATFOR_SPECIALIZATION(vec3l, RTC_FORMAT_LLONG3);
RTCFORMATFOR_SPECIALIZATION(vec4l, RTC_FORMAT_LLONG4);
RTCFORMATFOR_SPECIALIZATION(uint64_t, RTC_FORMAT_ULLONG);
RTCFORMATFOR_SPECIALIZATION(vec2ul, RTC_FORMAT_ULLONG2);
RTCFORMATFOR_SPECIALIZATION(vec3ul, RTC_FORMAT_ULLONG3);
RTCFORMATFOR_SPECIALIZATION(vec4ul, RTC_FORMAT_ULLONG4);
RTCFORMATFOR_SPECIALIZATION(float, RTC_FORMAT_FLOAT);
RTCFORMATFOR_SPECIALIZATION(vec2f, RTC_FORMAT_FLOAT2);
RTCFORMATFOR_SPECIALIZATION(vec3f, RTC_FORMAT_FLOAT3);
RTCFORMATFOR_SPECIALIZATION(vec4f, RTC_FORMAT_FLOAT4);
RTCFORMATFOR_SPECIALIZATION(linear2f, RTC_FORMAT_FLOAT2X2_COLUMN_MAJOR);
RTCFORMATFOR_SPECIALIZATION(linear3f, RTC_FORMAT_FLOAT3X3_COLUMN_MAJOR);
RTCFORMATFOR_SPECIALIZATION(affine2f, RTC_FORMAT_FLOAT2X3_COLUMN_MAJOR);
RTCFORMATFOR_SPECIALIZATION(affine3f, RTC_FORMAT_FLOAT3X4_COLUMN_MAJOR);
#undef RTCFORMATFOR_SPECIALIZATION
// ... via Ref<ospData>, NoOp when data is invalid
template <typename T>
void setEmbreeGeometryBuffer(RTCGeometry geom,
enum RTCBufferType type,
Ref<const DataT<T, 1>> &dataRef,
unsigned int slot = 0)
{
if (!dataRef)
return;
rtcSetSharedGeometryBuffer(geom,
type,
slot,
RTCFormatFor<T>::value,
dataRef->data(),
0,
dataRef->stride(),
dataRef->size());
}
// ... via *ospData, NoOp when data is invalid
template <typename T>
void setEmbreeGeometryBuffer(RTCGeometry geom,
enum RTCBufferType type,
const DataT<T, 1> *dataPtr,
unsigned int slot = 0)
{
if (!dataPtr)
return;
rtcSetSharedGeometryBuffer(geom,
type,
slot,
RTCFormatFor<T>::value,
dataPtr->data(),
0,
dataPtr->stride(),
dataPtr->size());
}
// ... via an std::vector
template <typename T>
void setEmbreeGeometryBuffer(RTCGeometry geom,
enum RTCBufferType type,
std::vector<T> &data,
unsigned int slot = 0)
{
rtcSetSharedGeometryBuffer(geom,
type,
slot,
RTCFormatFor<T>::value,
data.data(),
0,
sizeof(T),
data.size());
}
} // namespace ospray
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