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comparison semiconginev2/image.nim @ 1252:01e9f41d35b1

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add:support for push constants
author sam <sam@basx.dev>
date Fri, 26 Jul 2024 23:04:01 +0700
parents c15770761865
children
comparison
equal deleted inserted replaced
1251:3f98ad20a9d3 1252:01e9f41d35b1
14 imageview*: VkImageView 14 imageview*: VkImageView
15 sampler*: VkSampler 15 sampler*: VkSampler
16 isRenderTarget*: bool = false 16 isRenderTarget*: bool = false
17 samples*: VkSampleCountFlagBits = VK_SAMPLE_COUNT_1_BIT 17 samples*: VkSampleCountFlagBits = VK_SAMPLE_COUNT_1_BIT
18 18
19 proc LoadImage*[T: PixelType](pngData: seq[uint8]): Image[T] = 19 proc LoadImageData*[T: PixelType](pngData: string|seq[uint8]): Image[T] =
20 when T is Gray: 20 when T is Gray:
21 let pngType = 0.cint 21 let pngType = 0.cint
22 elif T is BGRA: 22 elif T is BGRA:
23 let pngType = 6.cint 23 let pngType = 6.cint
24 24
36 when T is BGRA: # converkt to BGRA 36 when T is BGRA: # converkt to BGRA
37 for i in 0 ..< result.data.len: 37 for i in 0 ..< result.data.len:
38 swap(result.data[i][0], result.data[i][2]) 38 swap(result.data[i][0], result.data[i][2])
39 39
40 proc LoadImage*[T: PixelType](path: string, package = DEFAULT_PACKAGE): Image[T] = 40 proc LoadImage*[T: PixelType](path: string, package = DEFAULT_PACKAGE): Image[T] =
41 assert path.splitFile().ext.toLowerAscii == ".png" 41 assert path.splitFile().ext.toLowerAscii == ".png", "Unsupported image type: " & path.splitFile().ext.toLowerAscii
42 when T is Gray: 42 when T is Gray:
43 let pngType = 0.cint 43 let pngType = 0.cint
44 elif T is BGRA: 44 elif T is BGRA:
45 let pngType = 6.cint 45 let pngType = 6.cint
46 46
47 result = LoadImage[T](loadResource_intern(path, package = package).readAll()) 47 result = LoadImageData[T](loadResource_intern(path, package = package).readAll())
48 48
49 49
50 proc toPNG[T: PixelType](image: Image[T]): seq[uint8] = 50 proc toPNG[T: PixelType](image: Image[T]): seq[uint8] =
51 when T is Gray: 51 when T is Gray:
52 let pngType = 0 # hardcoded in lodepng.h 52 let pngType = 0 # hardcoded in lodepng.h