From ae163357a135c07d35711682f8d082e778ef6cfe Mon Sep 17 00:00:00 2001
From: Jon <bash-j@users.noreply.github.com>
Date: Sun, 9 Jul 2023 21:50:46 +0930
Subject: [PATCH] Add files via upload

---
 mikey_nodes.py | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 mikey_nodes.py

diff --git a/mikey_nodes.py b/mikey_nodes.py
new file mode 100644
index 0000000..adb2589
--- /dev/null
+++ b/mikey_nodes.py
@@ -0,0 +1,93 @@
+from fractions import Fraction
+from math import ceil
+
+import torch
+
+from comfy.model_management import unload_model, soft_empty_cache
+
+class VAEDecode6GB:
+    def __init__(self):
+        pass
+    
+    @classmethod
+    def INPUT_TYPES(s):
+        return {'required': {'vae': ('VAE',),
+                             'samples': ('LATENT',)}}
+    RETURN_TYPES = ('IMAGE',)
+    FUNCTION = 'decode'
+    CATEGORY = 'sdxl'
+
+    def decode(self, vae, samples):
+        unload_model()
+        soft_empty_cache()
+        return (vae.decode(samples['samples']), )
+
+class EmptyLatentRatioSelector:
+    ratio_sizes = ['1:1','5:4','4:3','3:2','16:9','21:9','4:5','3:4','2:3','9:16','9:21','5:7','7:5']
+    ratio_dict = {'1:1': (1024, 1024),
+              '5:4': (1152, 896),
+              '4:3': (1152, 832),
+              '3:2': (1216, 832),
+              '16:9': (1344, 768),
+              '21:9': (1536, 640),
+              '4:5': (896, 1152),
+              '3:4': (832, 1152),
+              '2:3': (832, 1216),
+              '9:16': (768, 1344),
+              '9:21': (640, 1536),
+              '5:7': (840, 1176),
+              '7:5': (1176, 840),}
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {'required': {'ratio_selected': (s.ratio_sizes,),
+                             "batch_size": ("INT", {"default": 1, "min": 1, "max": 64})}}
+    
+    RETURN_TYPES = ('LATENT',)
+    FUNCTION = 'generate'
+    CATEGORY = 'sdxl'
+
+    def generate(self, ratio_selected, batch_size=1):
+        width = self.ratio_dict[ratio_selected][0]
+        height = self.ratio_dict[ratio_selected][1]
+        latent = torch.zeros([batch_size, 4, height // 8, width // 8])
+        return ({"samples":latent}, )
+
+class EmptyLatentRatioCustom:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {"required": { "width": ("INT", {"default": 1024, "min": 1, "max": 8192, "step": 1}),
+                              "height": ("INT", {"default": 1024, "min": 1, "max": 8192, "step": 1}),
+                              "batch_size": ("INT", {"default": 1, "min": 1, "max": 64})}}
+    
+    RETURN_TYPES = ('LATENT',)
+    FUNCTION = 'generate'
+    CATEGORY = 'sdxl'
+
+    def generate(self, width, height, batch_size=1):
+        # solver
+        w = 0
+        h = 0
+        for i in range(1, 256):
+            for j in range(1, 256):
+                if Fraction(8 * i, 8 * j) > Fraction(width, height) * 0.98 and Fraction(8 * i, 8 * j) < Fraction(width, height) and 8 * i * 8 * j <= 1024 * 1024:
+                    if (ceil(8 * i / 64) * 64) * (ceil(8 * j / 64) * 64) <= 1024 * 1024:
+                        w = ceil(8 * i / 64) * 64
+                        h = ceil(8 * j / 64) * 64
+                    elif (8 * i // 64 * 64) * (ceil(8 * j / 64) * 64) <= 1024 * 1024:
+                        w = 8 * i // 64 * 64
+                        h = ceil(8 * j / 64) * 64
+                    elif (ceil(8 * i / 64) * 64) * (8 * j // 64 * 64) <= 1024 * 1024:
+                        w = ceil(8 * i / 64) * 64
+                        h = 8 * j // 64 * 64
+                    else:
+                        w = 8 * i // 64 * 64
+                        h = 8 * j // 64 * 64
+        latent = torch.zeros([batch_size, 4, h // 8, w // 8])
+        return ({"samples":latent}, )
+
+NODE_CLASS_MAPPINGS = {
+    'VAE Decode 6GB': VAEDecode6GB,
+    'Empty Latent Ratio Select SDXL': EmptyLatentRatioSelector,
+    'Empty Latent Ratio Custom SDXL': EmptyLatentRatioCustom,
+}
\ No newline at end of file