From d7932ceea82a3c2277a179c00ca72ecb3cfb97cb Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brechtvanlommel@pandora.be>
Date: Mon, 9 Jan 2012 16:58:01 +0000
Subject: Cycles: multi GPU rendering support.

The rendering device is now set in User Preferences > System, where you can
choose between OpenCL/CUDA and devices. Per scene you can then still choose
to use CPU or GPU rendering.

Load balancing still needs to be improved, now it just splits the entire
render in two, that will be done in a separate commit.
---
 intern/cycles/blender/addon/engine.py     |  3 ++-
 intern/cycles/blender/addon/enums.py      | 24 ++----------------------
 intern/cycles/blender/addon/properties.py |  3 ---
 intern/cycles/blender/addon/ui.py         | 16 ++++------------
 4 files changed, 8 insertions(+), 38 deletions(-)

(limited to 'intern/cycles/blender/addon')

diff --git a/intern/cycles/blender/addon/engine.py b/intern/cycles/blender/addon/engine.py
index 3d71c25d7ad..05b1f883594 100644
--- a/intern/cycles/blender/addon/engine.py
+++ b/intern/cycles/blender/addon/engine.py
@@ -35,6 +35,7 @@ def create(engine, data, scene, region=0, v3d=0, rv3d=0):
     import _cycles
 
     data = data.as_pointer()
+    userpref = bpy.context.user_preferences.as_pointer()
     scene = scene.as_pointer()
     if region:
         region = region.as_pointer()
@@ -43,7 +44,7 @@ def create(engine, data, scene, region=0, v3d=0, rv3d=0):
     if rv3d:
         rv3d = rv3d.as_pointer()
 
-    engine.session = _cycles.create(engine.as_pointer(), data, scene, region, v3d, rv3d)
+    engine.session = _cycles.create(engine.as_pointer(), userpref, data, scene, region, v3d, rv3d)
 
 
 def free(engine):
diff --git a/intern/cycles/blender/addon/enums.py b/intern/cycles/blender/addon/enums.py
index a11f5ca0f87..da4c73a5d3b 100644
--- a/intern/cycles/blender/addon/enums.py
+++ b/intern/cycles/blender/addon/enums.py
@@ -20,29 +20,9 @@
 
 from . import engine
 
-
-def get_gpu_device():
-    available_devices = engine.available_devices()
-    cuda = 'cuda' in available_devices
-    opencl = 'opencl' in available_devices
-    if cuda and opencl:
-        gpu_string = "GPU"
-    elif cuda and not opencl:
-        gpu_string = "CUDA GPU"
-    else:
-        gpu_string = "OpenCL GPU"
-
-    return gpu_string
-
 devices = (
-    ("CPU", "CPU", "Processor"),
-    ("GPU", get_gpu_device(), "Graphics card"),
-    )
-
-gpu_type = (
-    ("CUDA", "CUDA", "NVidia only"),
-    ("OPENCL", "OpenCL", ""),
-    )
+	("CPU", "CPU", "Use CPU for rendering"),
+	("GPU", "GPU Compute", "Use GPU compute device for rendering, configured in user preferences"))
 
 feature_set = (
     ("SUPPORTED", "Supported", "Only use finished and supported features"),
diff --git a/intern/cycles/blender/addon/properties.py b/intern/cycles/blender/addon/properties.py
index 0ea7396f9c2..0b096c529b8 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -38,9 +38,6 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         cls.device = EnumProperty(name="Device", description="Device to use for rendering",
             items=enums.devices, default="CPU")
 
-        cls.gpu_type = EnumProperty(name="GPU Type", description="Processing system to use on the GPU",
-            items=enums.gpu_type, default="CUDA")
-
         cls.feature_set = EnumProperty(name="Feature Set", description="Feature set to use for rendering",
             items=enums.feature_set, default="SUPPORTED")
 
diff --git a/intern/cycles/blender/addon/ui.py b/intern/cycles/blender/addon/ui.py
index 6e73795666e..ea23e2b56a5 100644
--- a/intern/cycles/blender/addon/ui.py
+++ b/intern/cycles/blender/addon/ui.py
@@ -148,7 +148,6 @@ class CyclesRender_PT_performance(CyclesButtonsPanel, Panel):
         sub.prop(cscene, "debug_bvh_type", text="")
         sub.prop(cscene, "debug_use_spatial_splits")
 
-
 class CyclesRender_PT_layers(CyclesButtonsPanel, Panel):
     bl_label = "Layers"
     bl_options = {'DEFAULT_CLOSED'}
@@ -712,19 +711,12 @@ def draw_device(self, context):
         cscene = scene.cycles
 
         layout.prop(cscene, "feature_set")
-        experimental = cscene.feature_set == 'EXPERIMENTAL'
-
-        available_devices = engine.available_devices()
-        available_cuda = 'cuda' in available_devices
-        available_opencl = experimental and 'opencl' in available_devices
 
-        if available_cuda or available_opencl:
+        device_type = context.user_preferences.system.compute_device_type
+        if device_type == 'CUDA':
+            layout.prop(cscene, "device")
+        elif device_type == 'OPENCL' and cscene.feature_set == 'EXPERIMENTAL':
             layout.prop(cscene, "device")
-            if cscene.device == 'GPU' and available_cuda and available_opencl:
-                layout.prop(cscene, "gpu_type")
-        if experimental and cscene.device == 'CPU' and engine.with_osl():
-            layout.prop(cscene, "shading_system")
-
 
 def draw_pause(self, context):
     layout = self.layout
-- 
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