105 lines
4.2 KiB
Python
105 lines
4.2 KiB
Python
# Copyright (c) 2023, Shukant Pal and Contributors
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# SPDX-License-Identifier: Apache-2.0
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from pyktx import *
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from test_config import __test_images__
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import unittest
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class TestKtxTexture2(unittest.TestCase):
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def test_create_from_named_file(self):
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test_ktx_file = os.path.join(__test_images__, 'astc_ldr_4x4_FlightHelmet_baseColor.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file)
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self.assertEqual(texture.num_levels, 1)
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self.assertEqual(texture.num_faces, 1)
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self.assertEqual(texture.vk_format, VkFormat.VK_FORMAT_ASTC_4x4_SRGB_BLOCK)
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self.assertEqual(texture.base_width, 2048)
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self.assertEqual(texture.base_height, 2048)
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self.assertEqual(texture.supercompression_scheme, KtxSupercmpScheme.NONE)
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def test_create_from_named_file_mipmapped(self):
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test_ktx_file = os.path.join(__test_images__, 'astc_mipmap_ldr_4x4_posx.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file, KtxTextureCreateFlagBits.NO_FLAGS)
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self.assertEqual(texture.num_levels, 12)
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self.assertEqual(texture.base_width, 2048)
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self.assertEqual(texture.base_height, 2048)
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def test_get_image_size(self):
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test_ktx_file = os.path.join(__test_images__, 'astc_mipmap_ldr_4x4_posx.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file)
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self.assertEqual(texture.image_size(0), 4194304)
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def test_get_image_offset(self):
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test_ktx_file = os.path.join(__test_images__, 'astc_mipmap_ldr_4x4_posx.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file)
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level11_offset = texture.image_offset(11, 0, 0)
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level0_offset = texture.image_offset(0, 0, 0)
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self.assertEqual(level11_offset, 0)
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self.assertEqual(level0_offset - level11_offset, 0x155790 - 0x220)
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def test_get_size(self):
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test_ktx_file = os.path.join(__test_images__, 'astc_mipmap_ldr_4x4_posx.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file)
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self.assertEqual(texture.num_levels, 12)
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data_size = texture.data_size
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total_size = 0
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for i in range(0, 12):
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total_size += texture.image_size(i)
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self.assertEqual(total_size, data_size)
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data = texture.data()
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self.assertEqual(len(data), data_size)
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def test_get_data(self):
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test_ktx_file = os.path.join(__test_images__, 'astc_mipmap_ldr_4x4_posx.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file)
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self.assertEqual(texture.num_levels, 12)
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level0_length = texture.image_size(0)
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with open(test_ktx_file, 'rb') as file:
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data = texture.data()
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self.assertEqual(file.read()[-level0_length - 1:], data[-level0_length - 1:])
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def test_compress_basis(self):
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test_ktx_file = os.path.join(__test_images__, 'arraytex_7_mipmap_reference_u.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file, KtxTextureCreateFlagBits.LOAD_IMAGE_DATA_BIT)
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self.assertEqual(texture.is_compressed, False)
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self.assertEqual(texture.supercompression_scheme, KtxSupercmpScheme.NONE)
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texture.compress_basis(KtxBasisParams(quality_level=1))
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self.assertEqual(texture.is_compressed, True)
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self.assertEqual(texture.supercompression_scheme, KtxSupercmpScheme.BASIS_LZ)
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def test_transcode_basis(self):
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test_ktx_file = os.path.join(__test_images__, 'color_grid_basis.ktx2')
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texture = KtxTexture2.create_from_named_file(test_ktx_file, KtxTextureCreateFlagBits.LOAD_IMAGE_DATA_BIT)
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texture.transcode_basis(KtxTranscodeFmt.ASTC_4x4_RGBA, 0)
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self.assertEqual(texture.vk_format, VkFormat.VK_FORMAT_ASTC_4x4_SRGB_BLOCK)
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def test_create(self):
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info = KtxTextureCreateInfo(
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gl_internal_format=None, # ignored
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base_width=10,
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base_height=10,
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base_depth=1,
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vk_format=VkFormat.VK_FORMAT_ASTC_4x4_SRGB_BLOCK)
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texture = KtxTexture2.create(info, KtxTextureCreateStorage.ALLOC)
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self.assertEqual(texture.vk_format, VkFormat.VK_FORMAT_ASTC_4x4_SRGB_BLOCK)
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texture.set_image_from_memory(0, 0, 0, bytes(texture.data_size))
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