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Viewport build

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This commit is contained in:
Onek8
2026-07-18 21:33:47 -07:00
parent 50ad462318
commit 160f6bdadf
3 changed files with 29 additions and 231 deletions
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2
leenkx/blender/lnx/handlers.py
View File

@ -67,7 +67,7 @@ def on_depsgraph_update_post(self):
# Send last operator to Krom
wrd = bpy.data.worlds['Lnx']
if state.proc_play is not None and state.target == 'krom' and wrd.lnx_live_patch:
if (state.proc_play is not None or make._viewport_processes) and state.target == 'krom' and wrd.lnx_live_patch:
if not live_patch.on_depsgraph_update(depsgraph.updates):
ops = bpy.context.window_manager.operators
if len(ops) > 0 and ops[-1] is not None:

153
leenkx/blender/lnx/make.py
View File

@ -521,12 +521,17 @@ def compile(assets_only=False):
else:
log.error('Build failed')
def build(target, is_play=False, is_publish=False, is_export=False):
def build(target, is_play=False, is_publish=False, is_export=False, is_viewport=False, viewport_width=1920, viewport_height=1080):
global profile_time
profile_time = time.time()
wrd = bpy.data.worlds['Lnx']
state.is_viewport = is_viewport
if is_viewport:
state.viewport_width = viewport_width
state.viewport_height = viewport_height
if is_play and wrd.lnx_runtime == 'Hashlink':
current_os = lnx.utils.get_os()
if current_os == 'win':
@ -690,7 +695,11 @@ def run_viewport_runtime(viewport_id, width=1920, height=1080):
if not os.path.exists(path + '/krom.js'):
log.warn(f'Krom build not found at {path}/krom.js - build project first')
return None, None
if wrd.lnx_live_patch:
live_patch.start()
open(path + '/krom.patch', 'w', encoding='utf-8').close()
os.chdir(krom_location)
cmd = [krom_path, path, path_resources]
@ -725,95 +734,6 @@ _viewport_build_in_progress = False
_viewport_pending_launches = [] # List of (viewport_id, width, height) tuples
_viewport_proc_build = None # Separate process tracker for viewport builds
def build_viewport(viewport_id, width=1920, height=1080):
"""Build project for viewport"""
global _viewport_build_in_progress, _viewport_pending_launches, profile_time, scripts_mtime
wrd = bpy.data.worlds.get('Lnx')
if not wrd:
log.warn('No Lnx world found - cannot build for viewport')
return
krom_js_path = lnx.utils.get_fp_build() + '/debug/krom/krom.js'
if os.path.exists(krom_js_path) and not wrd.lnx_recompile:
log.info(f'Using cached viewport build for {viewport_id}')
run_viewport_runtime(viewport_id, width, height)
return
pending_entry = (viewport_id, width, height)
if pending_entry not in _viewport_pending_launches:
_viewport_pending_launches.append(pending_entry)
log.info(f'Queued viewport {viewport_id} for launch after build')
# If a build is already in progress and there is an actual build process, wait
# _viewport_proc_build checks viewport ,not state.proc_build (which is for play button)
if _viewport_build_in_progress:
if _viewport_proc_build is not None and _viewport_proc_build.poll() is None:
log.info(f'Build in progress, viewport {viewport_id} will launch when ready')
return
else:
log.info(f'Resetting stale viewport build state')
_viewport_build_in_progress = False
_viewport_build_in_progress = True
profile_time = time.time()
log.info(f'Starting viewport build for {len(_viewport_pending_launches)} viewport(s)')
# Set viewport mode flags but not the is_play flag meant for external launcher
state.is_viewport = True
state.viewport_width = width
state.viewport_height = height
state.target = 'krom'
state.is_play = False # NOT play mode
state.is_publish = False
state.is_export = False
# Recompile detection (matching play() behavior)
if not wrd.lnx_cache_build or \
not os.path.isfile(krom_js_path) or \
assets.khafile_defs_last != assets.khafile_defs or \
state.last_target != state.target:
wrd.lnx_recompile = True
state.last_target = state.target
# Trait sources modified
state.mod_scripts = []
script_path = lnx.utils.get_fp() + '/Sources/' + lnx.utils.safestr(wrd.lnx_project_package)
if os.path.isdir(script_path):
new_mtime = scripts_mtime
for fn in glob.iglob(os.path.join(script_path, '**', '*.hx'), recursive=True):
mtime = os.path.getmtime(fn)
if scripts_mtime < mtime:
lnx.utils.fetch_script_props(fn)
fn = fn.split('Sources/')[1]
fn = fn[:-3] #.hx
fn = fn.replace('/', '.')
state.mod_scripts.append(fn)
wrd.lnx_recompile = True
if new_mtime < mtime:
new_mtime = mtime
scripts_mtime = new_mtime
if len(state.mod_scripts) > 0:
lnx.utils.fetch_trait_props()
log.clear(clear_warnings=True, clear_errors=True)
sdk_path = lnx.utils.get_sdk_path()
fp = lnx.utils.get_fp()
os.chdir(fp)
sources_path = 'Sources/' + lnx.utils.safestr(wrd.lnx_project_package)
if not os.path.exists(sources_path):
os.makedirs(sources_path)
log.info('Exporting scene data...')
export_data(fp, sdk_path)
log.info('Starting Krom compilation for viewport...')
compile_viewport(assets_only=(not wrd.lnx_recompile))
def compile_viewport(assets_only=False):
"""Compile for viewport mode using separate process tracking."""
global _viewport_proc_build
@ -886,8 +806,8 @@ def viewport_build_done():
def play_viewport(viewport_id, width=1920, height=1080):
"""Launch Krom in a viewport"""
global _viewport_build_in_progress, _viewport_pending_launches, _viewport_proc_build, scripts_mtime
global _viewport_build_in_progress, _viewport_pending_launches, _viewport_proc_build
if not viewport_id:
log.error('No viewport_id: play_viewport requires an id')
return
@ -895,7 +815,7 @@ def play_viewport(viewport_id, width=1920, height=1080):
if 'Lnx' not in bpy.data.worlds:
log.error('No Lnx world found - cannot start viewport server')
return
wrd = bpy.data.worlds['Lnx']
krom_js_path = lnx.utils.get_fp_build() + '/debug/krom/krom.js'
@ -912,52 +832,11 @@ def play_viewport(viewport_id, width=1920, height=1080):
log.info(f'Build in progress, viewport {viewport_id} will launch when ready')
return
else:
_viewport_build_in_progress = False # Reset stale state
_viewport_build_in_progress = False
_viewport_build_in_progress = True
sdk_path = lnx.utils.get_sdk_path()
fp = lnx.utils.get_fp()
os.chdir(fp)
sources_path = 'Sources/' + lnx.utils.safestr(wrd.lnx_project_package)
if not os.path.exists(sources_path):
os.makedirs(sources_path)
# export data same as play() but without setting state.is_play
state.is_viewport = True
state.target = 'krom'
state.is_publish = False
state.is_export = False
if not wrd.lnx_cache_build or \
not os.path.isfile(krom_js_path) or \
assets.khafile_defs_last != assets.khafile_defs or \
state.last_target != state.target:
wrd.lnx_recompile = True
state.last_target = state.target
state.mod_scripts = []
script_path = lnx.utils.get_fp() + '/Sources/' + lnx.utils.safestr(wrd.lnx_project_package)
if os.path.isdir(script_path):
new_mtime = scripts_mtime
for fn in glob.iglob(os.path.join(script_path, '**', '*.hx'), recursive=True):
mtime = os.path.getmtime(fn)
if scripts_mtime < mtime:
lnx.utils.fetch_script_props(fn)
fn = fn.split('Sources/')[1]
fn = fn[:-3] #.hx
fn = fn.replace('/', '.')
state.mod_scripts.append(fn)
wrd.lnx_recompile = True
if new_mtime < mtime:
new_mtime = mtime
scripts_mtime = new_mtime
if len(state.mod_scripts) > 0:
lnx.utils.fetch_trait_props()
export_data(fp, sdk_path)
build(target='krom', is_viewport=True, viewport_width=width, viewport_height=height)
compile_viewport(assets_only=(not wrd.lnx_recompile))

105
leenkx/blender/lnx/render_engine.py
View File

@ -101,70 +101,9 @@ MOUSE_BUTTON_LEFT = 0
MOUSE_BUTTON_RIGHT = 1
MOUSE_BUTTON_MIDDLE = 2
_rendered_mode_pending = False
_rendered_mode_retries = 0
_msgbus_owner = object()
_make_module = None
@bpy.app.handlers.persistent
def _on_depsgraph_update(scene, depsgraph):
"""Called on depsgraph update - check if render engine changed to Krom."""
try:
if scene.render.engine == 'KROM_VIEWPORT':
for window in bpy.context.window_manager.windows:
for area in window.screen.areas:
if area.type == 'VIEW_3D':
for space in area.spaces:
if space.type == 'VIEW_3D':
if space.shading.type != 'RENDERED':
space.shading.type = 'RENDERED'
area.tag_redraw()
return
except:
pass
def _deferred_set_rendered_mode():
"""Module-level timer callback to set rendered mode."""
global _rendered_mode_pending, _rendered_mode_retries
try:
current_engine = bpy.context.scene.render.engine
for window in bpy.context.window_manager.windows:
screen = window.screen
for area in screen.areas:
if area.type == 'VIEW_3D':
for space in area.spaces:
if space.type == 'VIEW_3D':
current_shading = space.shading.type
if current_shading == 'RENDERED':
_rendered_mode_pending = False
_rendered_mode_retries = 0
return None
space.shading.type = 'RENDERED'
area.tag_redraw()
_rendered_mode_pending = False
_rendered_mode_retries = 0
return None
_rendered_mode_retries += 1
if _rendered_mode_retries < 10:
print(f"Viewport VIEW_3D not found, retrying... ({_rendered_mode_retries})")
return 0.2
except Exception as e:
print(f"Could not set rendered mode: {e}")
import traceback
traceback.print_exc()
_rendered_mode_retries += 1
if _rendered_mode_retries < 10:
return 0.2
_rendered_mode_pending = False
_rendered_mode_retries = 0
return None
class KromViewportEngine(bpy.types.RenderEngine):
"""Leenkx render engine that displays Krom runtime output in viewport."""
@ -190,12 +129,12 @@ class KromViewportEngine(bpy.types.RenderEngine):
self._batch = None
self._batch_dims = None
self._viewport_init_done = True
self._rendered_mode_set = False
self._last_shading_mode = None
self._viewport_id = None
self._shmem_name = None
self._krom_proc = None
self._krom_launch_attempted = False
self._viewport_stopped = False
self._pending_camera_sync = False
self._input_enabled_state = None
self._last_region_dims = None
@ -203,24 +142,6 @@ class KromViewportEngine(bpy.types.RenderEngine):
self._engine_id = id(self)
# print(f"New engine instance created: {self._engine_id}")
def _set_rendered_mode(self, context):
if self._rendered_mode_set:
return
try:
space = context.space_data
if space and hasattr(space, 'shading'):
current = space.shading.type
if current != 'RENDERED':
space.shading.type = 'RENDERED'
self._rendered_mode_set = True
# Disable viewport overlay so Krom output is unobstructed
if space and hasattr(space, 'overlay'):
if not hasattr(self, '_overlay_saved'):
self._overlay_saved = space.overlay.show_overlays
space.overlay.show_overlays = False
except Exception as e:
print(f"Failed to set rendered mode: {e}")
def _restore_overlay(self, context=None):
try:
if not hasattr(self, '_overlay_saved'):
@ -252,15 +173,15 @@ class KromViewportEngine(bpy.types.RenderEngine):
current_mode = space.shading.type
if self._last_shading_mode == 'SOLID' and current_mode == 'RENDERED':
self._viewport_stopped = False
self._initialized = False
self._rendered_mode_set = False
self._krom_launch_attempted = False
self._cleanup_shared_memory()
self._pending_camera_sync = True
if self._last_shading_mode == 'RENDERED' and current_mode != 'RENDERED':
self._rendered_mode_set = False
# keep krom running in solid mode for switching back ti rendered
# keep krom running in solid mode for switching back to rendered
pass
self._last_shading_mode = current_mode
except Exception as e:
@ -337,13 +258,13 @@ class KromViewportEngine(bpy.types.RenderEngine):
return True
def _stop_krom_process(self):
if self._krom_proc:
import lnx.make as make
if self._viewport_id and self._viewport_id in make._viewport_processes:
try:
import lnx.make as make
make.stop_viewport_runtime(self._viewport_id)
except:
pass
self._krom_proc = None
self._krom_proc = None
self._krom_launch_attempted = False
self._initialized = False
self._cleanup_shared_memory()
@ -946,6 +867,10 @@ class KromViewportEngine(bpy.types.RenderEngine):
if state.is_exporting:
return
if self._viewport_stopped:
self._draw_placeholder(context)
return
self._ensure_initialized()
self._handle_mode_switch(context)
@ -984,8 +909,6 @@ class KromViewportEngine(bpy.types.RenderEngine):
if self._viewport_id in _active_krom_engines:
del _active_krom_engines[self._viewport_id]
self._set_rendered_mode(context)
# TODO: input forwarding when viewport is active
_active_krom_engine = self # legacy single-engine reference
@ -1375,6 +1298,7 @@ class KROM_OT_stop_viewport(bpy.types.Operator):
if viewport_id in _active_krom_engines:
engine = _active_krom_engines[viewport_id]
try:
engine._viewport_stopped = True
engine._stop_krom_process()
engine._restore_overlay(context)
except:
@ -1422,8 +1346,6 @@ def register():
for panel in get_panels():
panel.COMPAT_ENGINES.add('KROM_VIEWPORT')
if _on_depsgraph_update not in bpy.app.handlers.depsgraph_update_post:
bpy.app.handlers.depsgraph_update_post.append(_on_depsgraph_update)
atexit.register(_cleanup_krom_on_exit)
@ -1435,9 +1357,6 @@ def unregister():
_active_viewport_id = None
_input_operator_running = False
if _on_depsgraph_update in bpy.app.handlers.depsgraph_update_post:
bpy.app.handlers.depsgraph_update_post.remove(_on_depsgraph_update)
_cleanup_krom_on_exit()
try: