Struct TextureBindingPlan 

pub struct TextureBindingPlan {
    slots: Vec<TextureSlot>,
    aliases: Vec<(String, usize, &'static str)>,
}

Per-preset mapping from HLSL sampler names to the comp pass’s user-texture slots.

aliases carries the surface-level names the translator should treat as referencing each slot. A single slot may carry multiple aliases — sampler sampler_clouds; and sampler sampler_fw_clouds; both resolve to the same logical clouds texture but pick different filter samplers when sampled. The alias map maps a full sampler name (e.g. "sampler_fw_clouds") to (slot_index, sampler_kind).

Fields

slots: Vec<TextureSlot>

aliases: Vec<(String, usize, &'static str)>

Implementations

impl TextureBindingPlan

pub fn empty() -> Self

Empty plan — translate_shader_with_plan behaves identically to translate_shader. Used by callers that don’t load disk textures (CLI batch translate, tests) and as the default for translate_shader itself.

pub fn slot_count(&self) -> usize

Number of filled slots. Equal to the comp pipeline’s user-texture bind count for this preset (the renderer fills the remaining slots up to MAX_USER_TEXTURE_SLOTS with the fallback texture).

pub fn slots(&self) -> &[TextureSlot]

Iterate slots in binding order. Index → slot.

pub fn add_slot( &mut self, pool_name: Option<String>, texsize: [f32; 4], aliases: &[(String, &'static str)], ) -> Option<usize>

Register one logical texture (pool_name = Some("clouds") or None for fallback) along with the set of HLSL surface aliases that reference it. Returns the slot index, or None when the cap was already hit. Subsequent calls with new aliases for an existing pool_name re-use the same slot.

pub fn lookup_tex2d(&self, sampler_name: &str) -> Option<(usize, &'static str)>

Map an HLSL tex2D sampler name to a (slot_index, sampler_kind). Returns None for built-in samplers (those are handled by resolve_tex2d_sampler before the plan is consulted) and for names the plan never registered an alias for.

Trait Implementations

impl Clone for TextureBindingPlan

fn clone(&self) -> TextureBindingPlan

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TextureBindingPlan

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TextureBindingPlan

fn default() -> TextureBindingPlan

Returns the “default value” for a type.