# Uses of Package
com.io7m.r2.core

- Packages that use com.io7m.r2.core
  Package | Description
  --- | ---
  com.io7m.r2.core | Core types and functions.
  com.io7m.r2.core.debug | Types and functions associated with debugging.
  com.io7m.r2.core.shaders.provided | Default provided shaders.
  com.io7m.r2.core.shaders.types | Shader types.
  com.io7m.r2.filters | Default provided filters.
  com.io7m.r2.meshes.defaults | Default mesh instances.

- Classes in com.io7m.r2.core used by com.io7m.r2.core
  Class and Description
  R2AmbientOcclusionBufferDescription The type of ambient occlusion buffer descriptions.
  R2AmbientOcclusionBufferDescription.Builder Builds instances of type `R2AmbientOcclusionBufferDescription`.
  R2AmbientOcclusionBufferDescriptionScaler A function that, given a render target description and an inclusive area, returns a new description of the same type with the given area.
  R2AmbientOcclusionBufferDescriptionType The type of ambient occlusion buffer descriptions.
  R2AmbientOcclusionBufferType The type of ambient occlusion buffers.
  R2AmbientOcclusionBufferUsableType The type of usable ambient occlusion buffers.
  R2CopyDepth A specification of whether or not a depth buffer should be copied.
  R2DeletableType The type of objects that can be deleted, and that require access to OpenGL to perform the deletion.
  R2DepthAttachmentCreate A preexisting depth texture that will be used as an attachment on a created framebuffer.
  R2DepthAttachmentCreate.Builder Builds instances of type `R2DepthAttachmentCreate`.
  R2DepthAttachmentCreateType A preexisting depth texture that will be used as an attachment on a created framebuffer.
  R2DepthAttachmentShare A preexisting depth texture that will be used as an attachment on a created framebuffer.
  R2DepthAttachmentShare.Builder Builds instances of type `R2DepthAttachmentShare`.
  R2DepthAttachmentShareType A preexisting depth texture that will be used as an attachment on a created framebuffer.
  R2DepthAttachmentSpecificationType A specification of a whether a depth attachment should be created or shared with an existing framebuffer.
  R2DepthInstancesConsumerType The type of consumers of depth instances.
  R2DepthInstancesType The set of depth instances in a scene.
  R2DepthOnlyBufferDescription The type of depth-only buffer descriptions.
  R2DepthOnlyBufferDescription.Builder Builds instances of type `R2DepthOnlyBufferDescription`.
  R2DepthOnlyBufferDescriptionType The type of depth-only buffer descriptions.
  R2DepthOnlyBufferType The type of depth-only buffers.
  R2DepthOnlyBufferUsableType The type of usable depth-only buffers.
  R2DepthPrecision The precision of the depth buffer.
  R2DepthRendererType The type of renderers that populate depth-only buffers.
  R2DepthVarianceBufferDescription The type of depth variance buffer descriptions.
  R2DepthVarianceBufferDescription.Builder Builds instances of type `R2DepthVarianceBufferDescription`.
  R2DepthVarianceBufferDescriptionType The type of depth variance buffer descriptions.
  R2DepthVarianceBufferType The type of depth variance buffers.
  R2DepthVarianceBufferUsableType The type of usable depth variance buffers.
  R2DepthVariancePrecision The precision of the depth variance buffer.
  R2DepthVarianceRendererType The type of renderers that populate depth variance buffers.
  R2Exception The type of exceptions.
  R2ExceptionBatchIsFull A batch cannot accept any more instances.
  R2ExceptionInvalidGroup An invalid group number was specified.
  R2ExceptionShaderValidationFailed An exception indicating that a shader failed to validate.
  R2FilterUsableType The type of usable image filters.
  R2GeometryBufferComponents A specification of which components are allocated for a geometry buffer.
  R2GeometryBufferDescription The type of geometry buffer descriptions.
  R2GeometryBufferDescription.Builder Builds instances of type `R2GeometryBufferDescription`.
  R2GeometryBufferDescriptionType The type of geometry buffer descriptions.
  R2GeometryBufferType The type of geometry buffers.
  R2GeometryBufferUsableType The type of usable geometry buffers.
  R2GeometryRendererType The type of renderers that populate geometry buffers.
  R2IDPoolType The type of identifier pools.
  R2ImageBufferDescription The type of image buffer descriptions.
  R2ImageBufferDescription.Builder Builds instances of type `R2ImageBufferDescription`.
  R2ImageBufferDescriptionScaler A function that, given a render target description and an inclusive area, returns a new description of the same type with the given area.
  R2ImageBufferDescriptionType The type of image buffer descriptions.
  R2ImageBufferType The type of image buffers.
  R2ImageBufferUsableType The type of usable image buffers.
  R2ImmutableStyleType Style settings for generated immutable types.
  R2InstanceBatchedDynamicType The type of batched instances that are expected to change often, both in the number of instances, and the transforms of individual instances.
  R2InstanceBatchedType The type of batched instances.
  R2InstanceBillboardedDynamicType The type of billboarded instances that are expected to change often, both in the number of instances, and the values of individual instances.
  R2InstanceBillboardedType The type of billboarded instances.
  R2InstanceSingle The type of single instances.
  R2InstanceSingle.Builder Builds instances of type `R2InstanceSingle`.
  R2InstanceSingleType The type of single instances.
  R2InstanceType The type of instances.
  R2LightAmbientScreenSingle Parameters for single ambient lights.
  R2LightBufferComponents A specification of which components are allocated for a light buffer.
  R2LightBufferDescription The type of light buffer descriptions.
  R2LightBufferDescription.Builder Builds instances of type `R2LightBufferDescription`.
  R2LightBufferDescriptionType The type of light buffer descriptions.
  R2LightBufferDiffuseOnlyUsableType The type of usable diffuse only light buffers.
  R2LightBufferDiffuseSpecularUsableType The type of usable diffuse+specular light buffers.
  R2LightBufferSpecularOnlyUsableType The type of usable specular-only light buffers.
  R2LightBufferType The type of light buffers.
  R2LightBufferUsableType The type of usable light buffers.
  R2LightBufferWithDiffuseUsableType A light buffer that has a diffuse texture.
  R2LightBufferWithSpecularUsableType A light buffer that has a specular texture.
  R2LightDirectionalScreenSingle Parameters for single directional lights.
  R2LightProjectiveReadableType The type of readable projective lights.
  R2LightProjectiveType The type of projective lights.
  R2LightProjectiveUsableType The type of usable (readable/writable but not deletable) projective lights.
  R2LightProjectiveWithoutShadowReadableType The type of readable projective lights that do not have shadows.
  R2LightProjectiveWithoutShadowType The type of projective lights that do not have shadows.
  R2LightProjectiveWithoutShadowWritableType The type of writable projective lights that do not have shadows.
  R2LightProjectiveWithShadowReadableType The type of readable projective lights.
  R2LightProjectiveWithShadowType The type of projective lights that have shadows.
  R2LightProjectiveWithShadowVarianceType The type of projective lights with variance shadows.
  R2LightProjectiveWithShadowWritableType The type of writable projective lights.
  R2LightProjectiveWritableType The type of writable projective lights.
  R2LightReadableType The type of lights.
  R2LightRendererType The type of renderers that populate light buffers.
  R2LightScreenSingleType The type of single-instance lights that operate using fullscreen quads.
  R2LightSingleReadableType The type of single-instance lights.
  R2LightSingleType The type of single-instance lights.
  R2LightSingleWritableType The type of single-instance lights.
  R2LightSphericalReadableType The type of readable spherical lights.
  R2LightSphericalSingleReadableType The type of readable single-instance spherical lights.
  R2LightSphericalSingleType The type of single-instance spherical lights.
  R2LightSphericalSingleWritableType The type of writable single-instance spherical lights.
  R2LightSphericalWritableType The type of writable spherical lights.
  R2LightType The type of lights.
  R2LightVolumeSingleReadableType The type of readable single-instance lights that operate using light volumes.
  R2LightVolumeSingleType The type of single-instance lights that operate using light volumes.
  R2LightVolumeSingleWritableType The type of writable single-instance lights that operate using light volumes.
  R2LightWithShadowSingleType The type of single-instance lights that have shadows.
  R2LightWritableType The type of writable lights.
  R2MaskBufferDescription The type of mask buffer descriptions.
  R2MaskBufferDescription.Builder Builds instances of type `R2MaskBufferDescription`.
  R2MaskBufferDescriptionType The type of mask buffer descriptions.
  R2MaskBufferType The type of mask buffers.
  R2MaskBufferUsableType The type of usable mask buffers.
  R2MaskInstances The set of mask instances that will be rendered.
  R2MaskInstances.Builder Builds instances of type `R2MaskInstances`.
  R2MaskInstancesType The set of mask instances that will be rendered.
  R2MaskRendererType The type of renderers that populate mask images.
  R2MaterialDepthBatched The type of materials that can be applied to batched depth-only instances.
  R2MaterialDepthBatched.Builder Builds instances of type `R2MaterialDepthBatched`.
  R2MaterialDepthBatchedType The type of materials that can be applied to batched depth-only instances.
  R2MaterialDepthSingle The type of opaque materials that can be applied to single depth-only instances.
  R2MaterialDepthSingle.Builder Builds instances of type `R2MaterialDepthSingle`.
  R2MaterialDepthSingleType The type of opaque materials that can be applied to single depth-only instances.
  R2MaterialOpaqueBatched The type of opaque materials that can be applied to batched instances.
  R2MaterialOpaqueBatched.Builder Builds instances of type `R2MaterialOpaqueBatched`.
  R2MaterialOpaqueBatchedType The type of opaque materials that can be applied to batched instances.
  R2MaterialOpaqueBillboarded The type of opaque materials that can be applied to billboarded instances.
  R2MaterialOpaqueBillboarded.Builder Builds instances of type `R2MaterialOpaqueBillboarded`.
  R2MaterialOpaqueBillboardedType The type of opaque materials that can be applied to billboarded instances.
  R2MaterialOpaqueSingle The type of opaque materials that can be applied to single instances.
  R2MaterialOpaqueSingle.Builder Builds instances of type `R2MaterialOpaqueSingle`.
  R2MaterialOpaqueSingleType The type of opaque materials that can be applied to single instances.
  R2MaterialType The base type of materials.
  R2MatricesInstanceSingleType Access to the matrices for a given single instance.
  R2MatricesInstanceSingleValuesType Access to the matrices for a given instance.
  R2MatricesObserverType Access to the matrices for a given observer.
  R2MatricesObserverValuesType Access to the matrices for a given observer.
  R2MatricesProjectiveLightType Access to the matrices for a given projective light.
  R2MatricesProjectiveLightValuesType Access to the matrices for a given projective light.
  R2MatricesType Matrices.
  R2MatricesValuesType Base matrix values.
  R2MatricesVolumeLightType Access to the matrices for a given volume light.
  R2MatricesVolumeLightValuesType Access to the matrices for a given volume light.
  R2ProjectionFOV A perspective projection based on a given field of view and aspect ratio.
  R2ProjectionFrustum A perspective projection based on an explicit frustum.
  R2ProjectionMeshReadableType The type of readable projection meshes.
  R2ProjectionMeshType The type of projection meshes.
  R2ProjectionMeshUsableType The type of usable (readable/writable, but not deletable) projection meshes.
  R2ProjectionMeshWritableType The type of writable projection meshes.
  R2ProjectionOrthographic An orthographic projection.
  R2ProjectionReadableType The type of readable projections.
  R2ProjectionType The type of mutable projections.
  R2ProjectionWritableType The type of writable projections.
  R2RendererException The type of renderer exceptions.
  R2RendererExceptionFramebufferNotBound The type of renderer exceptions that indicate an attempt to perform an operation that requires a specific framebuffer be bound, but without that framebuffer actually being bound.
  R2RendererExceptionShadowExecutionAlreadyActive An exception indicating an attempt to start a shadow map renderer execution with one already active.
  R2RendererExceptionShadowExecutionNotActive An exception indicating an attempt to use a shadow map renderer execution without it being active.
  R2RendererExceptionShadowMapContextNotActive An exception indicating an attempt to use a shadow map context without it being active.
  R2RendererExceptionShadowNotRendered An exception indicating an attempt to request a shadow map that has not been rendered.
  R2RenderTargetDescriptionType The type of render target descriptions.
  R2RenderTargetPoolType The type of render target pools.
  R2RenderTargetPoolUsableType The type of render target pools.
  R2RenderTargetType The type of render targets.
  R2RenderTargetUsableType The type of usable render targets.
  R2SceneLightsClipGroupConsumerType A consumer for clip groups.
  R2SceneLightsClipGroupType A clip group that will clip the bounds of all lights within it.
  R2SceneLightsConsumerType The type of consumers of scene lights.
  R2SceneLightsGroupConsumerType A consumer for lights within a specific group.
  R2SceneLightsGroupType A light group to which lights can be added.
  R2SceneLightsType The set of lights that affect opaque instances in a scene.
  R2SceneOpaquesConsumerType The type of consumers of opaque scene instances.
  R2SceneOpaquesReadableType The readable set of opaque instances in a scene.
  R2SceneOpaquesType The set of opaque instances in a scene.
  R2SceneStencilsConsumerType A consumer for stencil instances.
  R2SceneStencilsMode The mode used for stencils.
  R2SceneStencilsType The set of stencil instances in a scene.
  R2ShadowDepthVariance The type of depth variance shadows.
  R2ShadowDepthVariance.Builder Builds instances of type `R2ShadowDepthVariance`.
  R2ShadowDepthVarianceType The type of depth variance shadows.
  R2ShadowMapContextType A set of rendered shadow maps.
  R2ShadowMapContextUsableType The type of usable shadow map contexts.
  R2ShadowMapRendererExecutionType A contextual value representing the in-process rendering of a set of shadow maps.
  R2ShadowMapRendererType The type of renderers that populate shadow maps.
  R2ShadowType The type of shadows.
  R2StencilRendererType The type of stencil renderers.
  R2Texture2DStatic A simple static 2D texture.
  R2Texture2DStatic.Builder Builds instances of type `R2Texture2DStatic`.
  R2Texture2DStaticType A simple static 2D texture.
  R2Texture2DType The type of 2D textures.
  R2Texture2DUsableType The type of usable 2D textures.
  R2TextureCubeStatic A simple static cube texture.
  R2TextureCubeStatic.Builder Builds instances of type `R2TextureCubeStatic`.
  R2TextureCubeStaticType A simple static cube texture.
  R2TextureCubeType The type of cube textures.
  R2TextureCubeUsableType The type of usable cube textures.
  R2TextureDefaultsType Access to default textures for materials.
  R2TextureUsableType The type of usable textures.
  R2TransformContextType The storage required for producing transform matrices without allocating extra memory.
  R2TransformMatrix4x4 A simple 4x4 matrix transform.
  R2TransformNonOrthogonalReadableType The type of readable and non-orthogonal transforms.
  R2TransformOrthogonalReadableType The type of readable and orthogonal transforms.
  R2TransformOT A transform represented by an orientation, followed by a translation.
  R2TransformOTReadableType A readable transform that exposes an orientation, followed by a translation.
  R2TransformOTType The type of transforms represented by an orientation, followed by a translation.
  R2TransformReadableType The type of readable transforms.
  R2TransformSiOT A transform represented by a scale, followed by an orientation, followed by a translation.
  R2TransformSOT A transform represented by an scale, followed by an orientation, followed by a translation.
  R2TransformST A transform represented by a scale, followed by a translation.
  R2TransformT A transform represented by a translation.
  R2TransformType The type of transforms.
  R2TransformViewReadableType The type of readable transforms that can produce view matrices.
  R2TranslucentBatched The type of batched instance translucents.
  R2TranslucentBatched.Builder Builds instances of type `R2TranslucentBatched`.
  R2TranslucentBatchedType The type of batched instance translucents.
  R2TranslucentBillboarded The type of batched instance translucents.
  R2TranslucentBillboarded.Builder Builds instances of type `R2TranslucentBillboarded`.
  R2TranslucentBillboardedType The type of batched instance translucents.
  R2TranslucentRendererType The type of translucent renderers.
  R2TranslucentSingle The type of single instance translucents.
  R2TranslucentSingle.Builder Builds instances of type `R2TranslucentSingle`.
  R2TranslucentSingleType The type of single instance translucents.
  R2TranslucentType The type of translucents.
  R2UnitQuadType The type of unit quads, from `(-1, -1, -1)` to `(1, 1, -1)`, oriented towards `+Z`.
  R2UnitQuadUsableType The type of usable unit quads.
  R2UnitSphereUsableType The type of usable unit spheres.
  R2ViewRaysReadableType The readable interface to view rays.
  R2ViewRaysType The type of view rays that are used to reconstruct eye-space positions during deferred rendering.
  R2WatchableType A watchable value.

- Classes in com.io7m.r2.core used by com.io7m.r2.core.debug
  Class and Description
  R2DeletableType The type of objects that can be deleted, and that require access to OpenGL to perform the deletion.
  R2Exception The type of exceptions.
  R2ExceptionShaderValidationFailed An exception indicating that a shader failed to validate.
  R2GeometryBufferUsableType The type of usable geometry buffers.
  R2IDPoolType The type of identifier pools.
  R2ImmutableStyleType Style settings for generated immutable types.
  R2InstanceSingleType The type of single instances.
  R2LightDirectionalScreenSingle Parameters for single directional lights.
  R2LightSphericalSingleReadableType The type of readable single-instance spherical lights.
  R2MatricesObserverType Access to the matrices for a given observer.
  R2MatricesVolumeLightValuesType Access to the matrices for a given volume light.
  R2SceneLightsType The set of lights that affect opaque instances in a scene.
  R2SceneOpaquesReadableType The readable set of opaque instances in a scene.
  R2TransformReadableType The type of readable transforms.
  R2UnitSphereUsableType The type of usable unit spheres.

- Classes in com.io7m.r2.core used by com.io7m.r2.core.shaders.provided
  Class and Description
  R2DeletableType The type of objects that can be deleted, and that require access to OpenGL to perform the deletion.
  R2ExceptionShaderPreprocessingFailed An exception indicating that a shader failed to preprocess.
  R2ExceptionShaderValidationFailed An exception indicating that a shader failed to validate.
  R2GeometryBufferUsableType The type of usable geometry buffers.
  R2IDPoolType The type of identifier pools.
  R2ImmutableStyleType Style settings for generated immutable types.
  R2LightAmbientScreenSingle Parameters for single ambient lights.
  R2LightDirectionalScreenSingle Parameters for single directional lights.
  R2LightProjectiveReadableType The type of readable projective lights.
  R2LightProjectiveWithShadowVarianceType The type of projective lights with variance shadows.
  R2LightSphericalSingleReadableType The type of readable single-instance spherical lights.
  R2MatricesInstanceSingleValuesType Access to the matrices for a given instance.
  R2MatricesProjectiveLightValuesType Access to the matrices for a given projective light.
  R2MatricesVolumeLightValuesType Access to the matrices for a given volume light.
  R2Texture2DUsableType The type of usable 2D textures.
  R2TextureCubeUsableType The type of usable cube textures.
  R2TextureDefaultsType Access to default textures for materials.

- Classes in com.io7m.r2.core used by com.io7m.r2.core.shaders.types
  Class and Description
  R2DeletableType The type of objects that can be deleted, and that require access to OpenGL to perform the deletion.
  R2Exception The type of exceptions.
  R2ExceptionShaderParameterCountMismatch An exception indicating that a compiled shader did not have the expected number of parameters.
  R2ExceptionShaderParameterNotPresent An exception indicating that a shader parameter was not found when one was expected.
  R2ExceptionShaderValidationFailed An exception indicating that a shader failed to validate.
  R2GeometryBufferUsableType The type of usable geometry buffers.
  R2ImmutableStyleType Style settings for generated immutable types.
  R2LightProjectiveReadableType The type of readable projective lights.
  R2LightProjectiveWithShadowReadableType The type of readable projective lights.
  R2LightScreenSingleType The type of single-instance lights that operate using fullscreen quads.
  R2LightSingleReadableType The type of single-instance lights.
  R2LightVolumeSingleReadableType The type of readable single-instance lights that operate using light volumes.
  R2MatricesInstanceSingleValuesType Access to the matrices for a given instance.
  R2MatricesObserverValuesType Access to the matrices for a given observer.
  R2MatricesProjectiveLightValuesType Access to the matrices for a given projective light.
  R2MatricesVolumeLightValuesType Access to the matrices for a given volume light.
  R2Texture2DUsableType The type of usable 2D textures.

- Classes in com.io7m.r2.core used by com.io7m.r2.filters
  Class and Description
  R2AmbientOcclusionBufferUsableType The type of usable ambient occlusion buffers.
  R2CopyDepth A specification of whether or not a depth buffer should be copied.
  R2DeletableType The type of objects that can be deleted, and that require access to OpenGL to perform the deletion.
  R2Exception The type of exceptions.
  R2ExceptionShaderValidationFailed An exception indicating that a shader failed to validate.
  R2FilterType The type of image filters.
  R2FilterUsableType The type of usable image filters.
  R2GeometryBufferUsableType The type of usable geometry buffers.
  R2IDPoolType The type of identifier pools.
  R2ImageBufferDescriptionType The type of image buffer descriptions.
  R2ImageBufferUsableType The type of usable image buffers.
  R2ImmutableStyleType Style settings for generated immutable types.
  R2LightBufferUsableType The type of usable light buffers.
  R2MatricesObserverType Access to the matrices for a given observer.
  R2MatricesObserverValuesType Access to the matrices for a given observer.
  R2RenderTargetDescriptionType The type of render target descriptions.
  R2RenderTargetPoolUsableType The type of render target pools.
  R2RenderTargetUsableType The type of usable render targets.
  R2Texture2DType The type of 2D textures.
  R2Texture2DUsableType The type of usable 2D textures.
  R2TextureDefaultsType Access to default textures for materials.
  R2UnitQuadUsableType The type of usable unit quads.

- Classes in com.io7m.r2.core used by com.io7m.r2.meshes.defaults
  Class and Description
  R2DeletableType The type of objects that can be deleted, and that require access to OpenGL to perform the deletion.
  R2Exception The type of exceptions.
  R2UnitCubeType The type of unit cubes with edge length 1.
  R2UnitSphereType The type of unit spheres with radius 1.
  R2UnitSphereUsableType The type of usable unit spheres.

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