File size: 3,710 Bytes
41f85e5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | # Copyright (c) 2023, Shukant Pal and Contributors
# SPDX-License-Identifier: Apache-2.0
from .gl_internalformat import GlInternalformat
from .ktx_error_code import KtxErrorCode, KtxError
from .ktx_texture import KtxTexture, KtxVersionMismatchError
from .ktx_texture_create_flag_bits import KtxTextureCreateFlagBits
from .ktx_texture_create_info import KtxTextureCreateInfo
from .ktx_texture_create_storage import KtxTextureCreateStorage
from pyktx.native import ffi, lib
class KtxTexture1(KtxTexture):
"""Class representing a KTX version 1 format texture."""
@staticmethod
def create(create_info: KtxTextureCreateInfo, storage_allocation: KtxTextureCreateStorage) -> 'KtxTexture1':
"""Create a new empty KtxTexture1."""
result = lib.PY_ktxTexture1_Create(create_info.gl_internal_format.value,
create_info.vk_format.value,
ffi.NULL,
create_info.base_width,
create_info.base_height,
create_info.base_depth,
create_info.num_dimensions,
create_info.num_levels,
create_info.num_layers,
create_info.num_faces,
create_info.is_array,
create_info.generate_mipmaps,
storage_allocation.value)
if int(result.error) != KtxErrorCode.SUCCESS:
raise KtxError('ktxTexture1_Create', KtxErrorCode(result.error))
return KtxTexture1(result.texture)
@staticmethod
def create_from_named_file(filename: str, create_flags: int = KtxTextureCreateFlagBits.NO_FLAGS) -> 'KtxTexture1':
"""Create a KtxTexture1 from a named KTX file according to the file contents."""
result = lib.PY_ktxTexture_CreateFromNamedFile(filename.encode("ascii"), int(create_flags))
if int(result.error) != KtxErrorCode.SUCCESS:
raise KtxError('ktxTexture1_CreateFromNamedFile', KtxErrorCode(result.error))
texture = KtxTexture1(result.texture)
if texture.class_id != 1:
raise KtxVersionMismatchError('The provided file ' + filename + ' is not a KTX1 file')
return texture
@property
def gl_format(self) -> int:
"""
Format of the texture data, e.g. GL_RGB.
You can find all OpenGL formats here: <https://registry.khronos.org/OpenGL/api/GL/glcorearb.h>
"""
return lib.PY_ktxTexture1_get_glFormat(self._ptr)
@property
def gl_internalformat(self) -> int:
"""
Internal format of the texture data. See GlInternalformat.
You can find all OpenGL internal formats here: <https://registry.khronos.org/OpenGL/api/GL/glext.h>
"""
return GlInternalformat(lib.PY_ktxTexture1_get_glInternalformat(self._ptr))
@property
def gl_baseinternalformat(self) -> int:
"""
Base format of the texture data, e.g., GL_RGB.
You can find all OpenGL formats here: <https://registry.khronos.org/OpenGL/api/GL/glcorearb.h>
"""
return lib.PY_ktxTexture1_get_glBaseInternalformat(self._ptr)
@property
def gl_type(self) -> int:
"""
Type of the texture data, e.g, GL_UNSIGNED_BYTE.
You can find all OpenGL data types here: <https://registry.khronos.org/OpenGL/api/GL/glcorearb.h>
"""
return lib.PY_ktxTexture1_get_glType(self._ptr)
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