+ from .datafile import RawData, Resource, Statement, Token
+ tex_res = Resource(image.name+".tex", "texture")
+
+ tex_res.statements.append(Statement("type", Token("\\2d")))
+
+ if tex_node.use_mipmap:
+ tex_res.statements.append(Statement("generate_mipmap", True))
+
+ colorspace = image.colorspace_settings.name
+ if usage=='GRAY' and colorspace=='sRGB':
+ raise Exception("Unsupported configuration on texture {}: Grayscale with sRGB".format(image.name))
+
+ from .util import basename
+ fn = basename(image.filepath)
+ if not invert_green and fn:
+ if not tex_node.use_mipmap:
+ tex_res.statements.append(Statement("mipmap_levels", 1))
+ srgb = "_srgb" if colorspace=='sRGB' else ""
+ tex_res.statements.append(Statement("external_image"+srgb, fn))
+ else:
+ if usage=='RGBA':
+ fmt = 'SRGB8_ALPHA8' if colorspace=='sRGB' else 'RGBA8'
+ elif usage=='GRAY':
+ fmt = 'LUMINANCE8'
+ else:
+ fmt = 'SRGB8' if colorspace=='sRGB' else 'RGB8'
+
+ tex_res.statements.append(Statement("storage", Token(fmt), image.size[0], image.size[1]))
+
+ pixels = tuple(image.pixels)
+ texdata = ""
+ if usage=='RGBA':
+ texdata = pixels_to_rgba(pixels)
+ elif usage=='GRAY':
+ texdata = pixels_to_gray(pixels)
+ elif invert_green:
+ texdata = pixels_to_rgb_invert_green(pixels)
+ else:
+ texdata = pixels_to_rgb(pixels)
+
+ data = RawData(image.name+".mdr", bytes(texdata))
+ tex_res.statements.append(tex_res.create_reference_statement("external_data", data))
+
+ return tex_res
+
+class SamplerExporter:
+ def export_sampler(self, tex_node):