From 3116ffa8929d00368481184cd4f89c61ba3bff41 Mon Sep 17 00:00:00 2001
From: pedohorse <13556996+pedohorse@users.noreply.github.com>
Date: Wed, 29 Jan 2025 20:57:24 +0100
Subject: [PATCH] use redshift_dev tag for GPU devices

---
 .../stock_nodes/redshift/nodes/redshift.py    | 24 +++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/lifeblood/stock_nodes/redshift/nodes/redshift.py b/src/lifeblood/stock_nodes/redshift/nodes/redshift.py
index d82c8165..43456948 100644
--- a/src/lifeblood/stock_nodes/redshift/nodes/redshift.py
+++ b/src/lifeblood/stock_nodes/redshift/nodes/redshift.py
@@ -48,12 +48,25 @@ def process_task(self, context) -> ProcessingResult:
         # TODO!!!  in case of skip existing "files" is not filled with AOVs !!!
 
         script = 'import os\n' \
+                 'from lifeblood_connection import get_provided_devices\n' \
                  'import sys\n' \
                  'from subprocess import Popen, PIPE\n' \
                  'import tempfile\n' \
                  'import shutil\n' \
                  'import lifeblood_connection as lbc\n' \
                  '\n' \
+                 'def _get_gpu_number_args():\n' \
+                 '    provided_devices = get_provided_devices()\n' \
+                 '    if "{gpu_dev_type}" not in provided_devices:\n' \
+                 '        return []\n' \
+                 '    redshift_devices = [dev_tags["redshift_dev"] for _, dev_tags in get_provided_devices().get("{gpu_dev_type}", {{}}).items() if "redshift_dev" in dev_tags]\n' \
+                 '    redshift_devices = [x for dev in redshift_devices for x in ("-device", dev)]\n' \
+                 '    \n' \
+                 '    if len(redshift_devices) == 0:\n' \
+                 '        raise RuntimeError("redshift cannot render without redshift device tags set on GPU devices")\n' \
+                 '    \n' \
+                 '    return redshift_devices\n' \
+                 '\n' \
                  'out_beauty = {out_beauty}\n' \
                  'if {skip_if_exists} and os.path.exists(out_beauty):\n' \
                  "    print('image file already exists, skipping work')\n" \
@@ -63,7 +76,7 @@ def process_task(self, context) -> ProcessingResult:
                  "\n" \
                  'temp_render_dir = tempfile.mkdtemp(prefix="redshift_")\n' \
                  "output_files = []\n" \
-                 "p = Popen(['redshiftCmdLine', {rspath}, '-oip', temp_render_dir], stdout=PIPE)\n" \
+                 "p = Popen(['redshiftCmdLine', {rspath}, '-oip', temp_render_dir] + _get_gpu_number_args(), stdout=PIPE)\n" \
                  'while p.poll() is None:\n' \
                  '    full_line = False\n' \
                  '    part_parts = []\n' \
@@ -110,9 +123,12 @@ def process_task(self, context) -> ProcessingResult:
                  'print("all done")\n' \
                  "sys.exit()\n" \
                  '' \
-                 .format(skip_if_exists=repr(context.param_value('skip if exists')),  # for now we cannot know output image until after render
-                         rspath=repr(context.param_value('rs path')),
-                         out_beauty=repr(context.param_value('image path')))
+                 .format(
+                    skip_if_exists=repr(context.param_value('skip if exists')),  # for now we cannot know output image until after render
+                    rspath=repr(context.param_value('rs path')),
+                    out_beauty=repr(context.param_value('image path')),
+                    gpu_dev_type='gpu',
+                 )
 
         invoc = InvocationJob(['python', ':/rsccall.py'])
         invoc.set_extra_file('rsccall.py', script)