qssgrenderhelpers.cpp File Reference

(6584ceefab6a2e891d20d2fe35bb10b2365c7fff)

#include "qssgdebugdrawsystem_p.h"
#include "qssgrenderhelpers_p.h"
#include "qssgrenderer_p.h"
#include "qssglayerrenderdata_p.h"
#include "qssgrhiparticles_p.h"
#include "qssgrhiquadrenderer_p.h"
#include "../qssgrendercontextcore.h"
#include "../qssgrhicustommaterialsystem_p.h"
#include "../resourcemanager/qssgrenderbuffermanager_p.h"
#include "../qssgrenderdefaultmaterialshadergenerator_p.h"
#include "rendererimpl/qssgshadowmaphelpers_p.h"
#include <QtQuick3DUtils/private/qssgassert_p.h>
#include <QtCore/qbitarray.h>

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Functions
static QSSGRhiShaderPipelinePtr	shadersForDefaultMaterial (QSSGRhiGraphicsPipelineState *ps, QSSGSubsetRenderable &subsetRenderable, const QSSGShaderFeatures &featureSet)
static QSSGRhiShaderPipelinePtr	shadersForParticleMaterial (QSSGRhiGraphicsPipelineState *ps, QSSGParticlesRenderable &particleRenderable)
static void	updateUniformsForDefaultMaterial (QSSGRhiShaderPipeline &shaderPipeline, QSSGRhiContext *rhiCtx, const QSSGLayerRenderData &inData, char *ubufData, QSSGRhiGraphicsPipelineState *ps, QSSGSubsetRenderable &subsetRenderable, const QSSGRenderCameraList &cameras, const QVector2D *depthAdjust, const QMatrix4x4 *alteredModelViewProjection)
static QSSGBoxPoints	computeFrustumBounds (const QSSGRenderCamera &inCamera)
static QSSGBoxPoints	computeFrustumBoundsWithNearFar (const QSSGRenderCamera &inCamera, float clipNear, float clipFar)
static std::unique_ptr< QSSGRenderCamera >	computeShadowCameraFromFrustum (const QSSGRenderCamera &inCamera, const QMatrix4x4 &lightMatrix, const QMatrix4x4 &lightMatrixInverted, const QVector3D &lightPivot, const QVector3D &lightForward, const QVector3D &lightUp, float clipRange, float frustumStartT, float frustumEndT, const QSSGBounds3 &castingBox, const QSSGBounds3 &receivingBox, QSSGDebugDrawSystem *debugDrawSystem, const bool drawCascades, const bool drawSceneCascadeIntersection)
static QVarLengthArray< std::unique_ptr< QSSGRenderCamera >, 4 >	setupCascadingCamerasForShadowMap (const QSSGRenderCamera &inCamera, const QSSGRenderLight *inLight, const QSSGBounds3 &castingObjectsBox, const QSSGBounds3 &receivingObjectsBox, QSSGDebugDrawSystem *debugDrawSystem, bool drawCascades, bool drawSceneCascadeIntersection)
static void	setupCubeReflectionCameras (const QSSGRenderReflectionProbe *inProbe, QSSGRenderCamera inCameras[6])
static void	addOpaqueDepthPrePassBindings (QSSGRhiContext *rhiCtx, QSSGRhiShaderPipeline *shaderPipeline, QSSGRenderableImage *renderableImage, QSSGRhiShaderResourceBindingList &bindings, bool isCustomMaterialMeshSubset=false)
static void	setupCubeShadowCameras (const QSSGRenderLight *inLight, float shadowMapFar, QSSGRenderCamera inCameras[6])
static int	setupInstancing (QSSGSubsetRenderable *renderable, QSSGRhiGraphicsPipelineState *ps, QSSGRhiContext *rhiCtx, const QVector3D &cameraDirection, const QVector3D &cameraPosition)
static void	rhiPrepareResourcesForReflectionMap (QSSGRhiContext *rhiCtx, QSSGPassKey passKey, const QSSGLayerRenderData &inData, QSSGReflectionMapEntry *pEntry, QSSGRhiGraphicsPipelineState *ps, const QSSGRenderableObjectList &sortedOpaqueObjects, QSSGRenderCamera &inCamera, QSSGRenderer &renderer, QSSGRenderTextureCubeFace cubeFace)
static void	addDepthTextureBindings (QSSGRhiContext *rhiCtx, QSSGRhiShaderPipeline *shaderPipeline, QSSGRhiShaderResourceBindingList &bindings)
static void	rhiPrepareResourcesForShadowMap (QSSGRhiContext *rhiCtx, const QSSGLayerRenderData &inData, QSSGPassKey passKey, QSSGShadowMapEntry *pEntry, QSSGRhiGraphicsPipelineState *ps, const QVector2D *depthAdjust, const QSSGRenderableObjectList &sortedOpaqueObjects, QSSGRenderCamera &inCamera, bool orthographic, QSSGRenderTextureCubeFace cubeFace, quint32 cascadeIndex)
static void	fillTargetBlend (QRhiGraphicsPipeline::TargetBlend *targetBlend, QSSGRenderDefaultMaterial::MaterialBlendMode materialBlend)
static void	rhiPrepareSkyBox_helper (QSSGRhiContext *rhiCtx, QSSGPassKey passKey, QSSGRenderLayer &layer, QSSGRenderCameraList &cameras, QSSGRenderer &renderer, QSSGReflectionMapEntry *entry=nullptr, QSSGRenderTextureCubeFace cubeFace=QSSGRenderTextureCubeFaceNone)

Variables
static QT_BEGIN_NAMESPACE constexpr float	QSSG_PI = float(M_PI)
static constexpr float	QSSG_HALFPI = float(M_PI_2)
static const QRhiShaderResourceBinding::StageFlags	RENDERER_VISIBILITY_ALL

Function Documentation

addDepthTextureBindings()

static void addDepthTextureBindings ( QSSGRhiContext * rhiCtx, QSSGRhiShaderPipeline * shaderPipeline, QSSGRhiShaderResourceBindingList & bindings )

inlinestatic

Definition at line 575 of file qssgrenderhelpers.cpp.

References QSSGRhiShaderResourceBindingList::addTexture(), AoTexture, AoTextureArray, QSSGRhiShaderPipeline::bindingForTexture(), QRhiSampler::ClampToEdge, DepthTexture, QSSGRhiShaderPipeline::depthTexture(), DepthTextureArray, QRhiShaderResourceBinding::FragmentStage, QRhiSampler::Linear, QRhiSampler::Nearest, QRhiSampler::None, QRhiSampler::Repeat, QSSGRhiContext::sampler(), and QSSGRhiShaderPipeline::ssaoTexture().

Referenced by RenderHelpers::rhiPrepareDepthPass(), RenderHelpers::rhiPrepareRenderable(), and rhiPrepareResourcesForShadowMap().

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addOpaqueDepthPrePassBindings()

static void addOpaqueDepthPrePassBindings ( QSSGRhiContext * rhiCtx, QSSGRhiShaderPipeline * shaderPipeline, QSSGRenderableImage * renderableImage, QSSGRhiShaderResourceBindingList & bindings, bool isCustomMaterialMeshSubset = false )

static

Definition at line 364 of file qssgrenderhelpers.cpp.

References QSSGRhiShaderResourceBindingList::addTexture(), QSSGRhiShaderPipeline::bindingForTexture(), QSet< T >::cend(), QRhiSampler::ClampToEdge, QShaderDescription::combinedImageSamplers(), QSSGRhiContext::commandBuffer(), QRhiTexture::CubeMap, QShader::description(), QSSGRhiContext::dummyTexture(), QSSGRhiShaderPipeline::extraTextureAt(), QSSGRhiShaderPipeline::extraTextureCount(), QRhiTexture::flags(), QSSGRhiShaderPipeline::fragmentStage(), QSSGMaterialShaderGenerator::getSamplerName(), i, it, QRhiTexture::MipMapped, QRhiSampler::Nearest, QRhi::nextResourceUpdateBatch(), QRhiSampler::None, qMax(), RENDERER_VISIBILITY_ALL, QRhiSampler::Repeat, QRhiCommandBuffer::resourceUpdate(), QSSGRhiContext::rhi(), QSSGRhiContext::sampler(), QShaderDescription::SamplerCube, QRhiShaderStage::shader(), QSSGRhiHelpers::toRhi(), var, and QSSGRhiShaderPipeline::vertexStage().

Referenced by RenderHelpers::rhiPrepareDepthPass(), and rhiPrepareResourcesForShadowMap().

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computeFrustumBounds()

static QSSGBoxPoints computeFrustumBounds ( const QSSGRenderCamera & inCamera )

static

Definition at line 129 of file qssgrenderhelpers.cpp.

References QMatrix4x4::inverted(), and Q_ASSERT.

Referenced by RenderHelpers::rhiRenderShadowMap().

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computeFrustumBoundsWithNearFar()

static QSSGBoxPoints computeFrustumBoundsWithNearFar ( const QSSGRenderCamera & inCamera, float clipNear, float clipFar )

static

Definition at line 143 of file qssgrenderhelpers.cpp.

References QMatrix4x4::inverted(), and Q_ASSERT.

Referenced by computeShadowCameraFromFrustum().

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computeShadowCameraFromFrustum()

static std::unique_ptr< QSSGRenderCamera > computeShadowCameraFromFrustum ( const QSSGRenderCamera & inCamera, const QMatrix4x4 & lightMatrix, const QMatrix4x4 & lightMatrixInverted, const QVector3D & lightPivot, const QVector3D & lightForward, const QVector3D & lightUp, float clipRange, float frustumStartT, float frustumEndT, const QSSGBounds3 & castingBox, const QSSGBounds3 & receivingBox, QSSGDebugDrawSystem * debugDrawSystem, const bool drawCascades, const bool drawSceneCascadeIntersection )

static

Definition at line 159 of file qssgrenderhelpers.cpp.

References ShadowmapHelpers::addDebugFrustum(), QColorConstants::Black, QSSGRenderNode::calculateTransformMatrix(), camera, computeFrustumBoundsWithNearFar(), QColorConstants::DarkGray, i, QSSGBounds3::include(), QSSGRenderNode::initScale, ShadowmapHelpers::intersectBoxByBox(), ShadowmapHelpers::intersectBoxByFrustum(), QObject::parent(), Q_ASSERT, qDegreesToRadians(), qMax(), and qMin().

Referenced by setupCascadingCamerasForShadowMap().

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fillTargetBlend()

static void fillTargetBlend ( QRhiGraphicsPipeline::TargetBlend * targetBlend, QSSGRenderDefaultMaterial::MaterialBlendMode materialBlend )

static

Definition at line 758 of file qssgrenderhelpers.cpp.

References QRhiGraphicsPipeline::TargetBlend::dstAlpha, QRhiGraphicsPipeline::DstColor, QRhiGraphicsPipeline::TargetBlend::dstColor, QSSGRenderDefaultMaterial::Multiply, QRhiGraphicsPipeline::One, QRhiGraphicsPipeline::OneMinusSrcAlpha, QSSGRenderDefaultMaterial::Screen, QRhiGraphicsPipeline::SrcAlpha, QRhiGraphicsPipeline::TargetBlend::srcAlpha, QRhiGraphicsPipeline::TargetBlend::srcColor, and QRhiGraphicsPipeline::Zero.

Referenced by RenderHelpers::rhiPrepareRenderable().

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rhiPrepareResourcesForReflectionMap()

static void rhiPrepareResourcesForReflectionMap ( QSSGRhiContext * rhiCtx, QSSGPassKey passKey, const QSSGLayerRenderData & inData, QSSGReflectionMapEntry * pEntry, QSSGRhiGraphicsPipelineState * ps, const QSSGRenderableObjectList & sortedOpaqueObjects, QSSGRenderCamera & inCamera, QSSGRenderer & renderer, QSSGRenderTextureCubeFace cubeFace )

static

Definition at line 536 of file qssgrenderhelpers.cpp.

References QSSGShaderFeatures::DisableMultiView, renderer, QSSGShaderFeatures::set(), QSSGRenderLayer::SkyBox, and QSSGRenderLayer::SkyBoxCubeMap.

Referenced by RenderHelpers::rhiRenderReflectionMap().

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rhiPrepareResourcesForShadowMap()

static void rhiPrepareResourcesForShadowMap ( QSSGRhiContext * rhiCtx, const QSSGLayerRenderData & inData, QSSGPassKey passKey, QSSGShadowMapEntry * pEntry, QSSGRhiGraphicsPipelineState * ps, const QVector2D * depthAdjust, const QSSGRenderableObjectList & sortedOpaqueObjects, QSSGRenderCamera & inCamera, bool orthographic, QSSGRenderTextureCubeFace cubeFace, quint32 cascadeIndex )

static

Definition at line 615 of file qssgrenderhelpers.cpp.

References addDepthTextureBindings(), addOpaqueDepthPrePassBindings(), QSSGRhiShaderResourceBindingList::addTexture(), QSSGRhiShaderResourceBindingList::addUniformBuffer(), QSSGRhiHelpers::bakeVertexInputLocations(), Qt::black, QSSGRhiContext::commandBuffer(), QSSGShaderFeatures::CubeShadowPass, QSSGRhiGraphicsPipelineState::cullMode, direction, QSSGShaderFeatures::DisableMultiView, QSSGRhiContext::dummyTexture(), QRhiShaderResourceBinding::FragmentStage, QSSGRhiInputAssemblerStatePrivate::get(), QSSGRhiContextPrivate::get(), QSSGBaseTypeHelpers::indexOfCubeFace(), QSSGRhiContext::mainPassViewCount(), QRhiSampler::Nearest, QRhi::nextResourceUpdateBatch(), QRhiSampler::None, QSSGShaderFeatures::OpaqueDepthPrePass, OpaquePrePass, QSSGShaderFeatures::OrthoShadowPass, position(), QSSGParticleRenderer::prepareParticlesForModel(), QSSG_ASSERT, QSSGRenderTextureCubeFaceNone, RENDERER_VISIBILITY_ALL, QRhiSampler::Repeat, QRhiCommandBuffer::resourceUpdate(), QSSGRhiContext::rhi(), QSSGRhiContext::sampler(), ScreenTexture, ScreenTextureArray, QSSGShaderFeatures::set(), QSSGRhiGraphicsPipelineStatePrivate::setShaderPipeline(), setupInstancing(), QSSGCustomMaterialSystem::shadersForCustomMaterial(), shadersForDefaultMaterial(), QSSGRhiHelpers::toCullMode(), QSSGCustomMaterialSystem::updateUniformsForCustomMaterial(), updateUniformsForDefaultMaterial(), and QSSGParticleRenderer::updateUniformsForParticleModel().

Referenced by RenderHelpers::rhiRenderShadowMap().

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rhiPrepareSkyBox_helper()

static void rhiPrepareSkyBox_helper ( QSSGRhiContext * rhiCtx, QSSGPassKey passKey, QSSGRenderLayer & layer, QSSGRenderCameraList & cameras, QSSGRenderer & renderer, QSSGReflectionMapEntry * entry = nullptr, QSSGRenderTextureCubeFace cubeFace = QSSGRenderTextureCubeFaceNone )

static

Definition at line 1831 of file qssgrenderhelpers.cpp.

References QSSGRhiShaderResourceBindingList::addTexture(), QSSGRhiShaderResourceBindingList::addUniformBuffer(), QRhiSampler::ClampToEdge, QMatrix4x4::constData(), QVarLengthArray< T, Prealloc >::count(), QRhiBuffer::create(), QRhiBuffer::Dynamic, QRhiShaderResourceBinding::FragmentStage, QSSGRhiContextPrivate::get(), QSSGBaseTypeHelpers::indexOfCubeFace(), QSSGRenderImageTextureFlags::isRgbe8(), QRhi::isYUpInNDC(), QRhiSampler::Linear, QSSGRenderImageTexture::m_flags, QSSGRenderImageTexture::m_mipmapCount, QSSGRenderImageTexture::m_texture, QSSGBufferManager::MipModeBsdf, QSSGBufferManager::MipModeDisable, QRhi::newBuffer(), QRhiSampler::None, QSSGRenderTextureCubeFaceNone, renderer, RENDERER_VISIBILITY_ALL, QRhiSampler::Repeat, QSSGRhiContext::rhi(), QSSGRhiContext::sampler(), QSSGRenderLayer::SkyBoxCubeMap, QRhiBuffer::UniformBuffer, and Qt::Uninitialized.

Referenced by RenderHelpers::rhiPrepareSkyBox(), and RenderHelpers::rhiPrepareSkyBoxForReflectionMap().

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setupCascadingCamerasForShadowMap()

static QVarLengthArray< std::unique_ptr< QSSGRenderCamera >, 4 > setupCascadingCamerasForShadowMap ( const QSSGRenderCamera & inCamera, const QSSGRenderLight * inLight, const QSSGBounds3 & castingObjectsBox, const QSSGBounds3 & receivingObjectsBox, QSSGDebugDrawSystem * debugDrawSystem, bool drawCascades, bool drawSceneCascadeIntersection )

static

Definition at line 247 of file qssgrenderhelpers.cpp.

References camera, computeShadowCameraFromFrustum(), QVector3D::crossProduct(), i, QMatrix4x4::inverted(), QVector3D::normalized(), Q_ASSERT, qAbs(), qBound(), qFuzzyCompare(), qMax(), qMin(), QMatrix4x4::setRow(), and QVector3D::y().

Referenced by RenderHelpers::rhiRenderShadowMap().

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setupCubeReflectionCameras()

static void setupCubeReflectionCameras ( const QSSGRenderReflectionProbe * inProbe, QSSGRenderCamera inCameras[6] )

static

Definition at line 334 of file qssgrenderhelpers.cpp.

References QSSGRenderNode::calculateTransformMatrix(), i, QSSGRenderNode::initScale, Q_ASSERT, qDegreesToRadians(), qRadiansToDegrees(), QSSG_HALFPI, and QSSG_PI.

Referenced by RenderHelpers::rhiRenderReflectionMap().

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setupCubeShadowCameras()

static void setupCubeShadowCameras ( const QSSGRenderLight * inLight, float shadowMapFar, QSSGRenderCamera inCameras[6] )

static

Definition at line 458 of file qssgrenderhelpers.cpp.

References QSSGRenderNode::calculateTransformMatrix(), i, QSSGRenderNode::initScale, Q_ASSERT, qDegreesToRadians(), qRadiansToDegrees(), QSSG_HALFPI, and QSSG_PI.

Referenced by RenderHelpers::rhiRenderShadowMap().

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setupInstancing()

static int setupInstancing ( QSSGSubsetRenderable * renderable, QSSGRhiGraphicsPipelineState * ps, QSSGRhiContext * rhiCtx, const QVector3D & cameraDirection, const QVector3D & cameraPosition )

static

Definition at line 518 of file qssgrenderhelpers.cpp.

References QSSGRhiInputAssemblerStatePrivate::get(), QRhiVertexInputBinding::PerInstance, and QSSGLayerRenderData::prepareInstancing().

Referenced by RenderHelpers::rhiPrepareDepthPass(), RenderHelpers::rhiPrepareRenderable(), and rhiPrepareResourcesForShadowMap().

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shadersForDefaultMaterial()

static QSSGRhiShaderPipelinePtr shadersForDefaultMaterial ( QSSGRhiGraphicsPipelineState * ps, QSSGSubsetRenderable & subsetRenderable, const QSSGShaderFeatures & featureSet )

static

Definition at line 28 of file qssgrenderhelpers.cpp.

References QSSGRendererPrivate::getShaderPipelineForDefaultMaterial(), renderer, and QSSGRhiGraphicsPipelineStatePrivate::setShaderPipeline().

Referenced by RenderHelpers::rhiPrepareDepthPass(), RenderHelpers::rhiPrepareRenderable(), and rhiPrepareResourcesForShadowMap().

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shadersForParticleMaterial()

static QSSGRhiShaderPipelinePtr shadersForParticleMaterial ( QSSGRhiGraphicsPipelineState * ps, QSSGParticlesRenderable & particleRenderable )

static

Definition at line 39 of file qssgrenderhelpers.cpp.

References renderer, QSSGRhiGraphicsPipelineStatePrivate::setShaderPipeline(), and QSSGRhiGraphicsPipelineState::viewCount.

Referenced by RenderHelpers::rhiPrepareRenderable().

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updateUniformsForDefaultMaterial()

static void updateUniformsForDefaultMaterial ( QSSGRhiShaderPipeline & shaderPipeline, QSSGRhiContext * rhiCtx, const QSSGLayerRenderData & inData, char * ubufData, QSSGRhiGraphicsPipelineState * ps, QSSGSubsetRenderable & subsetRenderable, const QSSGRenderCameraList & cameras, const QVector2D * depthAdjust, const QMatrix4x4 * alteredModelViewProjection )

static

Definition at line 51 of file qssgrenderhelpers.cpp.

References QRhi::clipSpaceCorrMatrix(), renderer, QSSGRhiContext::rhi(), QSSGMaterialShaderGenerator::setRhiMaterialProperties(), and toDataView().

Referenced by RenderHelpers::rhiPrepareDepthPass(), RenderHelpers::rhiPrepareRenderable(), and rhiPrepareResourcesForShadowMap().

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Variable Documentation

QSSG_HALFPI

constexpr float QSSG_HALFPI = float(M_PI_2)

staticconstexpr

Definition at line 23 of file qssgrenderhelpers.cpp.

Referenced by setupCubeReflectionCameras(), and setupCubeShadowCameras().

QSSG_PI

QT_BEGIN_NAMESPACE constexpr float QSSG_PI = float(M_PI)

staticconstexpr

Definition at line 22 of file qssgrenderhelpers.cpp.

Referenced by setupCubeReflectionCameras(), and setupCubeShadowCameras().

RENDERER_VISIBILITY_ALL

const QRhiShaderResourceBinding::StageFlags RENDERER_VISIBILITY_ALL

static

Initial value:

=
        QRhiShaderResourceBinding::VertexStage | QRhiShaderResourceBinding::FragmentStage

Definition at line 25 of file qssgrenderhelpers.cpp.

Referenced by addOpaqueDepthPrePassBindings(), RenderHelpers::rhiPrepareDepthPass(), RenderHelpers::rhiPrepareGrid(), RenderHelpers::rhiPrepareRenderable(), rhiPrepareResourcesForShadowMap(), rhiPrepareSkyBox_helper(), and RenderHelpers::rhiRenderAoTexture().