import type { WgslTexture, WgslTextureDepth2d, WgslTextureDepthMultisampled2d } from '../../data/texture.ts';
import { $internal } from '../../shared/symbols.ts';
import { type TgpuQuerySet } from '../querySet/querySet.ts';
import type { ExperimentalTgpuRoot } from '../root/rootTypes.ts';
import { type TextureInternals, type TgpuTextureRenderView, type TgpuTextureView } from '../texture/texture.ts';
import type { RenderFlag } from '../texture/usageExtension.ts';
interface ColorTextureConstraint {
    readonly [$internal]: TextureInternals;
    readonly resourceType: 'texture';
    readonly props: {
        format: GPUTextureFormat;
    };
}
export interface ColorAttachment {
    /**
     * A {@link GPUTextureView} describing the texture subresource that will be output to for this
     * color attachment.
     */
    view: (ColorTextureConstraint & RenderFlag) | GPUTextureView | TgpuTextureView<WgslTexture> | TgpuTextureRenderView | GPUCanvasContext;
    /**
     * Indicates the depth slice index of {@link GPUTextureViewDimension#"3d"} {@link GPURenderPassColorAttachment#view}
     * that will be output to for this color attachment.
     */
    depthSlice?: GPUIntegerCoordinate;
    /**
     * A {@link GPUTextureView} describing the texture subresource that will receive the resolved
     * output for this color attachment if {@link GPURenderPassColorAttachment#view} is
     * multisampled.
     */
    resolveTarget?: (ColorTextureConstraint & RenderFlag) | GPUTextureView | TgpuTextureView<WgslTexture> | TgpuTextureRenderView | GPUCanvasContext;
    /**
     * Indicates the value to clear {@link GPURenderPassColorAttachment#view} to prior to executing the
     * render pass. If not provided, defaults to `{r: 0, g: 0, b: 0, a: 0}`. Ignored
     * if {@link GPURenderPassColorAttachment#loadOp} is not {@link GPULoadOp#"clear"}.
     * The components of {@link GPURenderPassColorAttachment#clearValue} are all double values.
     * They are converted to a texel value of texture format matching the render attachment.
     * If conversion fails, a validation error is generated.
     */
    clearValue?: readonly [number, number, number, number] | GPUColor;
    /**
     * Indicates the load operation to perform on {@link GPURenderPassColorAttachment#view} prior to
     * executing the render pass.
     * Note: It is recommended to prefer clearing; see {@link GPULoadOp#"clear"} for details.
     *
     * @default 'clear'
     */
    loadOp?: GPULoadOp | undefined;
    /**
     * The store operation to perform on {@link GPURenderPassColorAttachment#view}
     * after executing the render pass.
     *
     * @default 'store'
     */
    storeOp?: GPUStoreOp | undefined;
}
export type DepthStencilFormat = 'stencil8' | 'depth16unorm' | 'depth24plus' | 'depth24plus-stencil8' | 'depth32float' | 'depth32float-stencil8';
interface DepthStencilTextureConstraint {
    readonly [$internal]: TextureInternals;
    readonly resourceType: 'texture';
    readonly props: {
        format: DepthStencilFormat;
    };
}
export interface DepthStencilAttachment {
    /**
     * The texture subresource that will be output to and read from for this
     * depth/stencil attachment.
     */
    view: (DepthStencilTextureConstraint & RenderFlag) | TgpuTextureView<WgslTextureDepth2d | WgslTextureDepthMultisampled2d> | TgpuTextureRenderView | GPUTextureView;
    /**
     * Indicates the value to clear {@link GPURenderPassDepthStencilAttachment#view}'s depth component
     * to prior to executing the render pass. Ignored if {@link GPURenderPassDepthStencilAttachment#depthLoadOp}
     * is not {@link GPULoadOp#"clear"}. Must be between 0.0 and 1.0, inclusive (unless unrestricted depth is enabled).
     */
    depthClearValue?: number;
    /**
     * Indicates the load operation to perform on {@link GPURenderPassDepthStencilAttachment#view}'s
     * depth component prior to executing the render pass.
     * Note: It is recommended to prefer clearing; see {@link GPULoadOp#"clear"} for details.
     */
    depthLoadOp?: GPULoadOp;
    /**
     * The store operation to perform on {@link GPURenderPassDepthStencilAttachment#view}'s
     * depth component after executing the render pass.
     */
    depthStoreOp?: GPUStoreOp;
    /**
     * Indicates that the depth component of {@link GPURenderPassDepthStencilAttachment#view}
     * is read only.
     */
    depthReadOnly?: boolean;
    /**
     * Indicates the value to clear {@link GPURenderPassDepthStencilAttachment#view}'s stencil component
     * to prior to executing the render pass. Ignored if {@link GPURenderPassDepthStencilAttachment#stencilLoadOp}
     * is not {@link GPULoadOp#"clear"}.
     * The value will be converted to the type of the stencil aspect of `view` by taking the same
     * number of LSBs as the number of bits in the stencil aspect of one texel of `view`.
     */
    stencilClearValue?: GPUStencilValue;
    /**
     * Indicates the load operation to perform on {@link GPURenderPassDepthStencilAttachment#view}'s
     * stencil component prior to executing the render pass.
     * Note: It is recommended to prefer clearing; see {@link GPULoadOp#"clear"} for details.
     */
    stencilLoadOp?: GPULoadOp;
    /**
     * The store operation to perform on {@link GPURenderPassDepthStencilAttachment#view}'s
     * stencil component after executing the render pass.
     */
    stencilStoreOp?: GPUStoreOp;
    /**
     * Indicates that the stencil component of {@link GPURenderPassDepthStencilAttachment#view}
     * is read only.
     */
    stencilReadOnly?: boolean;
}
export type AnyAttachmentView = ColorAttachment['view'] | NonNullable<ColorAttachment['resolveTarget']> | DepthStencilAttachment['view'];
export declare function unwrapAttachmentView(root: ExperimentalTgpuRoot, view: AnyAttachmentView): GPUTextureView;
export interface TgpuPassTimestampWrites {
    querySet: TgpuQuerySet<'timestamp'> | GPUQuerySet;
    beginningOfPassWriteIndex?: number | undefined;
    endOfPassWriteIndex?: number | undefined;
}
export declare function unwrapTimestampWrites(root: ExperimentalTgpuRoot, timestampWrites: TgpuPassTimestampWrites): GPURenderPassTimestampWrites;
export {};