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Workaround for images with less channels than the supposed texture format.

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This commit is contained in:
Alberto Torres 2024-09-13 02:18:37 +02:00
parent 5b588fddf1
commit 60a896f513
1 changed files with 8 additions and 2 deletions
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10
src/gpu_formats/texture_decode.nim
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@ -142,6 +142,10 @@ proc loadFileFromSlices*(tex: Texture, slices: seq[SliceMem[byte]],
tex.format tex.format
else: else:
tex.format.resize(min_channels) tex.format.resize(min_channels)
# TODO: Don't do this!!
# Change the format when the decoder has detected less channels!!
let min_channels = format.channel_count
let layer_stride = tex.width * tex.height * format.stride let layer_stride = tex.width * tex.height * format.stride
var multilayer_buffer: ArrRef[byte] var multilayer_buffer: ArrRef[byte]
assert tex.depth == slices.len assert tex.depth == slices.len
@ -197,8 +201,10 @@ proc loadFileFromSlices*(tex: Texture, slices: seq[SliceMem[byte]],
image = loadFromMemory(slice.toOpenArrayByte, w,h,c, min_channels) image = loadFromMemory(slice.toOpenArrayByte, w,h,c, min_channels)
pixels_ptr = image.data pixels_ptr = image.data
pixels_len = image.len pixels_len = image.len
assert layer_stride == pixels_len, if layer_stride != pixels_len:
&"Image '{tex.name}' has a length of {pixels_len}, expected {layer_stride}" echo "Format: ", format
raise Defect.newException &"Image '{tex.name}' has a length" &
&" of {pixels_len}, expected {layer_stride}"
if flip: if flip:
swap_lines(pixels_ptr, tex.width * format.stride, tex.height) swap_lines(pixels_ptr, tex.width * format.stride, tex.height)
if tex.depth == 1: if tex.depth == 1: