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7922055a82..5d8207dfdb 100644 Binary files a/Gems/Atom/Feature/Common/Assets/Shaders/DiffuseGlobalIllumination/diffuseprobegridrender_null_0.azshadervariant and b/Gems/Atom/Feature/Common/Assets/Shaders/DiffuseGlobalIllumination/diffuseprobegridrender_null_0.azshadervariant differ diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/DiffuseGlobalIllumination/diffuseprobegridrender_vulkan_0.azshadervariant b/Gems/Atom/Feature/Common/Assets/Shaders/DiffuseGlobalIllumination/diffuseprobegridrender_vulkan_0.azshadervariant index 780163eb07..c819e57c4c 100644 Binary files a/Gems/Atom/Feature/Common/Assets/Shaders/DiffuseGlobalIllumination/diffuseprobegridrender_vulkan_0.azshadervariant and b/Gems/Atom/Feature/Common/Assets/Shaders/DiffuseGlobalIllumination/diffuseprobegridrender_vulkan_0.azshadervariant differ diff --git a/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.cpp b/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.cpp index 4d58948b98..b4f91e58d9 100644 --- a/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.cpp +++ b/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.cpp @@ -128,8 +128,8 @@ namespace AZ void DiffuseProbeGrid::SetTransform(const AZ::Transform& transform) { - m_position = transform.GetTranslation(); - m_aabbWs = Aabb::CreateCenterHalfExtents(m_position, m_extents / 2.0f); + m_transform = transform; + m_obbWs = Obb::CreateFromPositionRotationAndHalfLengths(m_transform.GetTranslation(), m_transform.GetRotation(), m_extents / 2.0f); // probes need to be relocated since the grid position changed m_remainingRelocationIterations = DefaultNumRelocationIterations; @@ -145,7 +145,7 @@ namespace AZ void DiffuseProbeGrid::SetExtents(const AZ::Vector3& extents) { m_extents = extents; - m_aabbWs = Aabb::CreateCenterHalfExtents(m_position, m_extents / 2.0f); + m_obbWs = Obb::CreateFromPositionRotationAndHalfLengths(m_transform.GetTranslation(), m_transform.GetRotation(), m_extents / 2.0f); // recompute the number of probes since the extents changed UpdateProbeCount(); @@ -467,7 +467,10 @@ namespace AZ RHI::ShaderInputConstantIndex constantIndex; constantIndex = srgLayout->FindShaderInputConstantIndex(AZ::Name("m_probeGrid.origin")); - srg->SetConstant(constantIndex, m_position); + srg->SetConstant(constantIndex, m_transform.GetTranslation()); + + constantIndex = srgLayout->FindShaderInputConstantIndex(AZ::Name("m_probeGrid.rotation")); + srg->SetConstant(constantIndex, m_transform.GetRotation()); constantIndex = srgLayout->FindShaderInputConstantIndex(AZ::Name("m_probeGrid.numRaysPerProbe")); srg->SetConstant(constantIndex, m_numRaysPerProbe); @@ -760,14 +763,15 @@ namespace AZ RHI::ShaderInputImageIndex imageIndex; constantIndex = srgLayout->FindShaderInputConstantIndex(Name("m_modelToWorld")); - AZ::Matrix3x4 modelToWorld = AZ::Matrix3x4::CreateFromMatrix3x3AndTranslation(Matrix3x3::CreateIdentity(), m_position) * AZ::Matrix3x4::CreateScale(m_extents); + AZ::Matrix3x4 modelToWorld = AZ::Matrix3x4::CreateFromTransform(m_transform) * AZ::Matrix3x4::CreateScale(m_extents); m_renderObjectSrg->SetConstant(constantIndex, modelToWorld); - constantIndex = srgLayout->FindShaderInputConstantIndex(Name("m_aabbMin")); - m_renderObjectSrg->SetConstant(constantIndex, m_aabbWs.GetMin()); + constantIndex = srgLayout->FindShaderInputConstantIndex(Name("m_modelToWorldInverse")); + AZ::Matrix3x4 modelToWorldInverse = AZ::Matrix3x4::CreateFromTransform(m_transform).GetInverseFull(); + m_renderObjectSrg->SetConstant(constantIndex, modelToWorldInverse); - constantIndex = srgLayout->FindShaderInputConstantIndex(Name("m_aabbMax")); - m_renderObjectSrg->SetConstant(constantIndex, m_aabbWs.GetMax()); + constantIndex = srgLayout->FindShaderInputConstantIndex(Name("m_obbHalfLengths")); + m_renderObjectSrg->SetConstant(constantIndex, m_obbWs.GetHalfLengths()); constantIndex = srgLayout->FindShaderInputConstantIndex(Name("m_enableDiffuseGI")); m_renderObjectSrg->SetConstant(constantIndex, m_enabled); @@ -821,13 +825,14 @@ namespace AZ lod.m_screenCoverageMax = 1.0f; // update cullable bounds + Aabb aabbWs = Aabb::CreateFromObb(m_obbWs); Vector3 center; float radius; - m_aabbWs.GetAsSphere(center, radius); + aabbWs.GetAsSphere(center, radius); m_cullable.m_cullData.m_boundingSphere = Sphere(center, radius); - m_cullable.m_cullData.m_boundingObb = m_aabbWs.GetTransformedObb(AZ::Transform::CreateIdentity()); - m_cullable.m_cullData.m_visibilityEntry.m_boundingVolume = m_aabbWs; + m_cullable.m_cullData.m_boundingObb = m_obbWs; + m_cullable.m_cullData.m_visibilityEntry.m_boundingVolume = aabbWs; m_cullable.m_cullData.m_visibilityEntry.m_userData = &m_cullable; m_cullable.m_cullData.m_visibilityEntry.m_typeFlags = AzFramework::VisibilityEntry::TYPE_RPI_Cullable; diff --git a/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.h b/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.h index 89e7173dd5..97c336ed41 100644 --- a/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.h +++ b/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGrid.h @@ -72,7 +72,7 @@ namespace AZ const AZ::Vector3& GetExtents() const { return m_extents; } void SetExtents(const AZ::Vector3& extents); - const AZ::Aabb& GetAabbWs() const { return m_aabbWs; } + const AZ::Obb& GetObbWs() const { return m_obbWs; } bool ValidateProbeSpacing(const AZ::Vector3& newSpacing); const AZ::Vector3& GetProbeSpacing() const { return m_probeSpacing; } @@ -183,14 +183,14 @@ namespace AZ // scene RPI::Scene* m_scene = nullptr; - // probe grid position - AZ::Vector3 m_position = AZ::Vector3(0.0f, 0.0f, 0.0f); + // probe grid transform + AZ::Transform m_transform = AZ::Transform::CreateIdentity(); // extents of the probe grid AZ::Vector3 m_extents = AZ::Vector3(0.0f, 0.0f, 0.0f); - // probe grid AABB (world space), built from position and extents - AZ::Aabb m_aabbWs = AZ::Aabb::CreateNull(); + // probe grid OBB (world space), built from transform and extents + AZ::Obb m_obbWs; // per-axis spacing of probes in the grid AZ::Vector3 m_probeSpacing; diff --git a/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.cpp b/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.cpp index d79240d4f1..4329fd556c 100644 --- a/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.cpp +++ b/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.cpp @@ -154,10 +154,11 @@ namespace AZ // sort the probes by descending inner volume size, so the smallest volumes are rendered last auto sortFn = [](AZStd::shared_ptr const& probe1, AZStd::shared_ptr const& probe2) -> bool { - const Aabb& aabb1 = probe1->GetAabbWs(); - const Aabb& aabb2 = probe2->GetAabbWs(); - float size1 = aabb1.GetXExtent() * aabb1.GetZExtent() * aabb1.GetYExtent(); - float size2 = aabb2.GetXExtent() * aabb2.GetZExtent() * aabb2.GetYExtent(); + const Obb& obb1 = probe1->GetObbWs(); + const Obb& obb2 = probe2->GetObbWs(); + float size1 = obb1.GetHalfLengthX() * obb1.GetHalfLengthZ() * obb1.GetHalfLengthY(); + float size2 = obb2.GetHalfLengthX() * obb2.GetHalfLengthZ() * obb2.GetHalfLengthY(); + return (size1 > size2); };