qssgrenderreflectionmap.cpp File Reference

#include <QtQuick3DRuntimeRender/private/qssgrenderreflectionprobe_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderlayer_p.h>
#include <QtQuick3DRuntimeRender/private/qssglayerrenderdata_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendercontextcore_p.h>
#include <QtQuick3DUtils/private/qssgrenderbasetypes_p.h>

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Functions
static QRhiTexture *	allocateRhiReflectionTexture (QRhi *rhi, QRhiTexture::Format format, const QSize &size, QRhiTexture::Flags flags={})
static QRhiRenderBuffer *	allocateRhiReflectionRenderBuffer (QRhi *rhi, QRhiRenderBuffer::Type type, const QSize &size)
float	radicalInverseVdC (uint bits)
QVector2D	hammersley (uint i, uint N)
QVector3D	importanceSampleGGX (QVector2D xi, float roughness)
float	distributionGGX (float nDotH, float roughness)
void	fillPrefilterValues (float roughness, float resolution, QVarLengthArray< QVector4D, prefilterSampleCount > &sampleDirections, float &invTotalWeight, uint &sampleCount)

Variables
QT_BEGIN_NAMESPACE const int	prefilterSampleCount = 16
static const float	cube []

Function Documentation

allocateRhiReflectionRenderBuffer()

static QRhiRenderBuffer * allocateRhiReflectionRenderBuffer ( QRhi *  rhi, QRhiRenderBuffer::Type  type, const QSize &  size  )

static

Definition at line 43 of file qssgrenderreflectionmap.cpp.

References QRhi::newRenderBuffer(), and qWarning.

Referenced by QSSGRenderReflectionMap::addReflectionMapEntry().

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allocateRhiReflectionTexture()

static QRhiTexture * allocateRhiReflectionTexture ( QRhi *  rhi, QRhiTexture::Format  format, const QSize &  size, QRhiTexture::Flags  flags = {}  )

static

Definition at line 32 of file qssgrenderreflectionmap.cpp.

Referenced by QSSGRenderReflectionMap::addReflectionMapEntry().

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distributionGGX()

float distributionGGX	(	float	nDotH,
		float	roughness
	)

Definition at line 410 of file qssgrenderreflectionmap.cpp.

References a2, and M_PI.

Referenced by fillPrefilterValues().

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fillPrefilterValues()

void fillPrefilterValues	(	float	roughness,
		float	resolution,
		QVarLengthArray< QVector4D, prefilterSampleCount > &	sampleDirections,
		float &	invTotalWeight,
		uint &	sampleCount
	)

Definition at line 423 of file qssgrenderreflectionmap.cpp.

References QVarLengthArray< T, Prealloc >::append(), distributionGGX(), hammersley(), i, importanceSampleGGX(), log2(), M_PI, QVector3D::normalize(), prefilterSampleCount, and QVector3D::z().

Referenced by QSSGReflectionMapEntry::renderMips().

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hammersley()

QVector2D hammersley	(	uint	i,
		uint	N
	)

Definition at line 393 of file qssgrenderreflectionmap.cpp.

References i, and radicalInverseVdC().

Referenced by fillPrefilterValues().

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importanceSampleGGX()

QVector3D importanceSampleGGX	(	QVector2D	xi,
		float	roughness
	)

Definition at line 398 of file qssgrenderreflectionmap.cpp.

References M_PI, QVector2D::x(), and QVector2D::y().

Referenced by fillPrefilterValues().

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radicalInverseVdC()

float radicalInverseVdC

(

uint

bits

)

Definition at line 383 of file qssgrenderreflectionmap.cpp.

Referenced by hammersley().

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Variable Documentation

cube

const float cube[]

static

Definition at line 297 of file qssgrenderreflectionmap.cpp.

prefilterSampleCount

QT_BEGIN_NAMESPACE const int prefilterSampleCount = 16

Definition at line 12 of file qssgrenderreflectionmap.cpp.

Referenced by QSSGRenderReflectionMap::addReflectionMapEntry(), fillPrefilterValues(), and QSSGReflectionMapEntry::renderMips().