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authortcmal <me@aria.rip>2024-08-25 17:44:23 +0100
committertcmal <me@aria.rip>2024-08-25 17:44:23 +0100
commit0353181306702c40ad0fe482b5c2b159b46794a4 (patch)
tree33acc6a9e8ea4705884cf93b78cf869008f71832 /stockton-skeleton/src/texture/load.rs
parent664f0b0777ba96298b29f0c753d52a81cbb233f1 (diff)
refactor(all): rename some crates
Diffstat (limited to 'stockton-skeleton/src/texture/load.rs')
-rw-r--r--stockton-skeleton/src/texture/load.rs191
1 files changed, 191 insertions, 0 deletions
diff --git a/stockton-skeleton/src/texture/load.rs b/stockton-skeleton/src/texture/load.rs
new file mode 100644
index 0000000..1f33ad5
--- /dev/null
+++ b/stockton-skeleton/src/texture/load.rs
@@ -0,0 +1,191 @@
+use super::{
+ block::LoadedImage, block::TexturesBlock, repo::BLOCK_SIZE, resolver::TextureResolver,
+ staging_buffer::StagingBuffer, LoadableImage, PIXEL_SIZE,
+};
+use crate::types::*;
+
+use anyhow::{Context, Result};
+use arrayvec::ArrayVec;
+use hal::{
+ format::{Aspects, Format, Swizzle},
+ image::{
+ Filter, SamplerDesc, SubresourceLayers, SubresourceRange, Usage as ImgUsage, ViewKind,
+ WrapMode,
+ },
+ memory::SparseFlags,
+ MemoryTypeId,
+};
+use rendy_memory::{Allocator, Block};
+use std::mem::ManuallyDrop;
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum TextureLoadError {
+ #[error("No available resources")]
+ NoResources,
+}
+
+pub const FORMAT: Format = Format::Rgba8Srgb;
+pub const RESOURCES: SubresourceRange = SubresourceRange {
+ aspects: Aspects::COLOR,
+ level_start: 0,
+ level_count: Some(1),
+ layer_start: 0,
+ layer_count: Some(1),
+};
+pub const LAYERS: SubresourceLayers = SubresourceLayers {
+ aspects: Aspects::COLOR,
+ level: 0,
+ layers: 0..1,
+};
+
+pub struct TextureLoadConfig<R: TextureResolver> {
+ pub resolver: R,
+ pub filter: Filter,
+ pub wrap_mode: WrapMode,
+}
+
+pub struct QueuedLoad<B: Block<back::Backend>> {
+ pub fence: FenceT,
+ pub buf: CommandBufferT,
+ pub block: TexturesBlock<B>,
+ pub staging_bufs: ArrayVec<[StagingBuffer; BLOCK_SIZE]>,
+}
+
+impl<B: Block<back::Backend>> QueuedLoad<B> {
+ pub fn dissolve(
+ self,
+ ) -> (
+ (FenceT, CommandBufferT),
+ ArrayVec<[StagingBuffer; BLOCK_SIZE]>,
+ TexturesBlock<B>,
+ ) {
+ ((self.fence, self.buf), self.staging_bufs, self.block)
+ }
+}
+
+pub fn tex_size_info<T: LoadableImage>(img: &T, obcpa: hal::buffer::Offset) -> (usize, usize) {
+ let initial_row_size = PIXEL_SIZE * img.width() as usize;
+ let row_alignment_mask = obcpa as u32 - 1;
+
+ let row_size = ((initial_row_size as u32 + row_alignment_mask) & !row_alignment_mask) as usize;
+ let total_size = (row_size * (img.height() as usize)) as u64;
+ debug_assert!(row_size as usize >= initial_row_size);
+
+ (row_size, total_size as usize)
+}
+
+pub fn create_image_view<T, I>(
+ device: &mut DeviceT,
+ allocator: &mut T,
+ format: Format,
+ usage: ImgUsage,
+ img: &I,
+) -> Result<(T::Block, ImageT)>
+where
+ T: Allocator<back::Backend>,
+ I: LoadableImage,
+{
+ // Make the image
+ let mut image_ref = unsafe {
+ use hal::image::{Kind, Tiling, ViewCapabilities};
+
+ device.create_image(
+ Kind::D2(img.width(), img.height(), 1, 1),
+ 1,
+ format,
+ Tiling::Optimal,
+ usage,
+ SparseFlags::empty(),
+ ViewCapabilities::empty(),
+ )
+ }
+ .context("Error creating image")?;
+
+ // Allocate memory
+ let (block, _) = unsafe {
+ let requirements = device.get_image_requirements(&image_ref);
+
+ allocator.alloc(device, requirements.size, requirements.alignment)
+ }
+ .context("Error allocating memory")?;
+
+ unsafe {
+ device
+ .bind_image_memory(block.memory(), block.range().start, &mut image_ref)
+ .context("Error binding memory to image")?;
+ }
+
+ Ok((block, image_ref))
+}
+
+pub unsafe fn load_image<I: LoadableImage, R: TextureResolver>(
+ device: &mut DeviceT,
+ staging_allocator: &mut DynamicAllocator,
+ tex_allocator: &mut DynamicAllocator,
+ staging_memory_type: MemoryTypeId,
+ obcpa: u64,
+ img_data: I,
+ config: &TextureLoadConfig<R>,
+) -> Result<(StagingBuffer, LoadedImage<DynamicBlock>)> {
+ // Calculate buffer size
+ let (row_size, total_size) = tex_size_info(&img_data, obcpa);
+
+ // Create staging buffer
+ let mut staging_buffer = StagingBuffer::new(
+ device,
+ staging_allocator,
+ total_size as u64,
+ staging_memory_type,
+ )
+ .context("Error creating staging buffer")?;
+
+ // Write to staging buffer
+ let mapped_memory = staging_buffer
+ .map_memory(device)
+ .context("Error mapping staged memory")?;
+
+ img_data.copy_into(mapped_memory, row_size);
+
+ staging_buffer.unmap_memory(device);
+
+ // Create image
+ let (img_mem, img) = create_image_view(
+ device,
+ tex_allocator,
+ FORMAT,
+ ImgUsage::SAMPLED | ImgUsage::TRANSFER_DST,
+ &img_data,
+ )
+ .context("Error creating image")?;
+
+ // Create image view
+ let img_view = device
+ .create_image_view(
+ &img,
+ ViewKind::D2,
+ FORMAT,
+ Swizzle::NO,
+ ImgUsage::SAMPLED | ImgUsage::TRANSFER_DST,
+ RESOURCES,
+ )
+ .context("Error creating image view")?;
+
+ // Create sampler
+ let sampler = device
+ .create_sampler(&SamplerDesc::new(config.filter, config.wrap_mode))
+ .context("Error creating sampler")?;
+
+ Ok((
+ staging_buffer,
+ LoadedImage {
+ mem: ManuallyDrop::new(img_mem),
+ img: ManuallyDrop::new(img),
+ img_view: ManuallyDrop::new(img_view),
+ sampler: ManuallyDrop::new(sampler),
+ row_size,
+ height: img_data.height(),
+ width: img_data.width(),
+ },
+ ))
+}