1 files changed, 107 insertions, 0 deletions
diff --git a/intern/cycles/blender/viewport.cpp b/intern/cycles/blender/viewport.cpp
new file mode 100644
index 00000000000..2a6f7e3ecee
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+++ b/intern/cycles/blender/viewport.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2019 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "blender/viewport.h"
+#include "blender/util.h"
+
+#include "scene/pass.h"
+
+#include "util/log.h"
+
+CCL_NAMESPACE_BEGIN
+
+BlenderViewportParameters::BlenderViewportParameters()
+    : use_scene_world(true),
+      use_scene_lights(true),
+      studiolight_rotate_z(0.0f),
+      studiolight_intensity(1.0f),
+      studiolight_background_alpha(1.0f),
+      display_pass(PASS_COMBINED),
+      show_active_pixels(false)
+{
+}
+
+BlenderViewportParameters::BlenderViewportParameters(BL::SpaceView3D &b_v3d, bool use_developer_ui)
+    : BlenderViewportParameters()
+{
+  if (!b_v3d) {
+    return;
+  }
+
+  BL::View3DShading shading = b_v3d.shading();
+  PointerRNA cshading = RNA_pointer_get(&shading.ptr, "cycles");
+
+  /* We only copy the shading parameters if we are in look-dev mode.
+   * Otherwise defaults are being used. These defaults mimic normal render settings. */
+  if (shading.type() == BL::View3DShading::type_RENDERED) {
+    use_scene_world = shading.use_scene_world_render();
+    use_scene_lights = shading.use_scene_lights_render();
+
+    if (!use_scene_world) {
+      studiolight_rotate_z = shading.studiolight_rotate_z();
+      studiolight_intensity = shading.studiolight_intensity();
+      studiolight_background_alpha = shading.studiolight_background_alpha();
+      studiolight_path = shading.selected_studio_light().path();
+    }
+  }
+
+  /* Film. */
+
+  /* Lookup display pass based on the enum identifier.
+   * This is because integer values of python enum are not aligned with the passes definition in
+   * the kernel. */
+
+  display_pass = PASS_COMBINED;
+
+  const string display_pass_identifier = get_enum_identifier(cshading, "render_pass");
+  if (!display_pass_identifier.empty()) {
+    const ustring pass_type_identifier(string_to_lower(display_pass_identifier));
+    const NodeEnum *pass_type_enum = Pass::get_type_enum();
+    if (pass_type_enum->exists(pass_type_identifier)) {
+      display_pass = static_cast<PassType>((*pass_type_enum)[pass_type_identifier]);
+    }
+  }
+
+  if (use_developer_ui) {
+    show_active_pixels = get_boolean(cshading, "show_active_pixels");
+  }
+}
+
+bool BlenderViewportParameters::shader_modified(const BlenderViewportParameters &other) const
+{
+  return use_scene_world != other.use_scene_world || use_scene_lights != other.use_scene_lights ||
+         studiolight_rotate_z != other.studiolight_rotate_z ||
+         studiolight_intensity != other.studiolight_intensity ||
+         studiolight_background_alpha != other.studiolight_background_alpha ||
+         studiolight_path != other.studiolight_path;
+}
+
+bool BlenderViewportParameters::film_modified(const BlenderViewportParameters &other) const
+{
+  return display_pass != other.display_pass || show_active_pixels != other.show_active_pixels;
+}
+
+bool BlenderViewportParameters::modified(const BlenderViewportParameters &other) const
+{
+  return shader_modified(other) || film_modified(other);
+}
+
+bool BlenderViewportParameters::use_custom_shader() const
+{
+  return !(use_scene_world && use_scene_lights);
+}
+
+CCL_NAMESPACE_END