From 1216c5f3dd1f902fb545db875e2b88f50d24e580 Mon Sep 17 00:00:00 2001
From: Irene Knapp <ireneista@irenes.space>
Date: Sun, 9 Aug 2026 18:05:15 -0700
Subject: move PNG-specific code to a new module files::png

this mirrors files::obj

Force-Push: yes
Change-Id: I17ccae0b54b49453100873ba707ee36406b96057
---
 src/graphics/texture.rs | 31 +++++++++++--------------------
 1 file changed, 11 insertions(+), 20 deletions(-)

(limited to 'src/graphics')

diff --git a/src/graphics/texture.rs b/src/graphics/texture.rs
index a6085e3..b28d540 100644
--- a/src/graphics/texture.rs
+++ b/src/graphics/texture.rs
@@ -6,9 +6,6 @@ use crate::graphics::util::{
   begin_transient_commands, end_transient_commands
 };
 
-use std::io::Cursor;
-
-use png::Decoder;
 use vulkanalia::{ Device, Instance };
 use vulkanalia::vk::{ self, HasBuilder, InstanceV1_0, DeviceV1_0 };
 
@@ -22,15 +19,18 @@ pub struct Texture {
 
 
 impl Texture {
-  pub fn new(permanent: &Permanent) -> Result<(Self, u32)> {
+  pub fn new(width: u32, height: u32, pixels: Vec<u8>,
+             permanent: &Permanent)
+      -> Result<(Self, u32)>
+  {
     let graphics_queue = &permanent.graphics_queue;
     let instance = &permanent.instance;
     let device = &permanent.device;
     let transient_command_pool = &permanent.transient_command_pool;
 
     let (image, image_memory, image_view, mip_count)
-            = init_texture(instance, device, graphics_queue,
-                           &transient_command_pool)?;
+            = init_texture(width, height, pixels, instance, device,
+                           graphics_queue, &transient_command_pool)?;
 
     Ok((Texture {
       image,
@@ -51,19 +51,13 @@ impl Texture {
 
 
 #[allow(unsafe_code)]
-fn init_texture(instance: &Instance, device: &Device, queue: &vk::Queue,
-                command_pool: &vk::CommandPool)
+fn init_texture(width: u32, height: u32, pixels: Vec<u8>,
+                instance: &Instance, device: &Device,
+                queue: &vk::Queue, command_pool: &vk::CommandPool)
     -> Result<(vk::Image, vk::DeviceMemory, vk::ImageView, u32)>
 {
   let physical_device = device.physical_device();
 
-  let png = include_bytes!("../../textures/forest_leaves_04_diff.png");
-
-  let decoder = Decoder::new(Cursor::new(png));
-  let mut reader = decoder.read_info()?;
-
-  let (width, height) = reader.info().size();
-
   let format_properties = unsafe {
     instance.get_physical_device_format_properties(physical_device,
                                                    vk::Format::R8G8B8A8_SRGB)
@@ -79,15 +73,12 @@ fn init_texture(instance: &Instance, device: &Device, queue: &vk::Queue,
     1
   };
 
-  let mut pixels = vec![0; reader.info().raw_bytes()];
-  reader.next_frame(&mut pixels)?;
-
   let (staging_buffer, staging_memory, _byte_size)
           = stage_in_buffer(instance, device, &pixels)?;
 
   let (image, image_memory)
-          = allocate_image(instance, device,
-                           width, height, mip_count, vk::SampleCountFlags::_1,
+          = allocate_image(instance, device, width, height, mip_count,
+                           vk::SampleCountFlags::_1,
                            vk::Format::R8G8B8A8_SRGB,
                            vk::ImageTiling::OPTIMAL,
                            vk::ImageUsageFlags::SAMPLED
-- 
cgit 1.4.1