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use crate::{
binding_model::{LateMinBufferBindingSizeMismatch, PushConstantUploadError},
resource::{
DestroyedResourceError, MissingBufferUsageError, MissingTextureUsageError,
ResourceErrorIdent,
},
track::ResourceUsageCompatibilityError,
};
use wgt::VertexStepMode;
use thiserror::Error;
use super::bind::BinderError;
/// Error validating a draw call.
#[derive(Clone, Debug, Error)]
#[non_exhaustive]
pub enum DrawError {
#[error("Blend constant needs to be set")]
MissingBlendConstant,
#[error("Render pipeline must be set")]
MissingPipeline,
#[error("Currently set {pipeline} requires vertex buffer {index} to be set")]
MissingVertexBuffer {
pipeline: ResourceErrorIdent,
index: u32,
},
#[error("Index buffer must be set")]
MissingIndexBuffer,
#[error(transparent)]
IncompatibleBindGroup(#[from] Box<BinderError>),
#[error("Vertex {last_vertex} extends beyond limit {vertex_limit} imposed by the buffer in slot {slot}. Did you bind the correct `Vertex` step-rate vertex buffer?")]
VertexBeyondLimit {
last_vertex: u64,
vertex_limit: u64,
slot: u32,
},
#[error("{step_mode:?} buffer out of bounds at slot {slot}. Offset {offset} beyond limit {limit}. Did you bind the correct `Vertex` step-rate vertex buffer?")]
VertexOutOfBounds {
step_mode: VertexStepMode,
offset: u64,
limit: u64,
slot: u32,
},
#[error("Instance {last_instance} extends beyond limit {instance_limit} imposed by the buffer in slot {slot}. Did you bind the correct `Instance` step-rate vertex buffer?")]
InstanceBeyondLimit {
last_instance: u64,
instance_limit: u64,
slot: u32,
},
#[error("Index {last_index} extends beyond limit {index_limit}. Did you bind the correct index buffer?")]
IndexBeyondLimit { last_index: u64, index_limit: u64 },
#[error(
"Index buffer format {buffer_format:?} doesn't match {pipeline}'s index format {pipeline_format:?}"
)]
UnmatchedIndexFormats {
pipeline: ResourceErrorIdent,
pipeline_format: wgt::IndexFormat,
buffer_format: wgt::IndexFormat,
},
#[error(transparent)]
BindingSizeTooSmall(#[from] LateMinBufferBindingSizeMismatch),
}
/// Error encountered when encoding a render command.
/// This is the shared error set between render bundles and passes.
#[derive(Clone, Debug, Error)]
#[non_exhaustive]
pub enum RenderCommandError {
#[error("Bind group index {index} is greater than the device's requested `max_bind_group` limit {max}")]
BindGroupIndexOutOfRange { index: u32, max: u32 },
#[error("Vertex buffer index {index} is greater than the device's requested `max_vertex_buffers` limit {max}")]
VertexBufferIndexOutOfRange { index: u32, max: u32 },
#[error("Render pipeline targets are incompatible with render pass")]
IncompatiblePipelineTargets(#[from] crate::device::RenderPassCompatibilityError),
#[error("{0} writes to depth, while the pass has read-only depth access")]
IncompatibleDepthAccess(ResourceErrorIdent),
#[error("{0} writes to stencil, while the pass has read-only stencil access")]
IncompatibleStencilAccess(ResourceErrorIdent),
#[error(transparent)]
ResourceUsageCompatibility(#[from] ResourceUsageCompatibilityError),
#[error(transparent)]
DestroyedResource(#[from] DestroyedResourceError),
#[error(transparent)]
MissingBufferUsage(#[from] MissingBufferUsageError),
#[error(transparent)]
MissingTextureUsage(#[from] MissingTextureUsageError),
#[error(transparent)]
PushConstants(#[from] PushConstantUploadError),
#[error("Viewport has invalid rect {0:?}; origin and/or size is less than or equal to 0, and/or is not contained in the render target {1:?}")]
InvalidViewportRect(Rect<f32>, wgt::Extent3d),
#[error("Viewport minDepth {0} and/or maxDepth {1} are not in [0, 1]")]
InvalidViewportDepth(f32, f32),
#[error("Scissor {0:?} is not contained in the render target {1:?}")]
InvalidScissorRect(Rect<u32>, wgt::Extent3d),
#[error("Support for {0} is not implemented yet")]
Unimplemented(&'static str),
}
#[derive(Clone, Copy, Debug, Default)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct Rect<T> {
pub x: T,
pub y: T,
pub w: T,
pub h: T,
}