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Fix T70573: Crash on enter Cycles render preview with 'Scene world'

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disabled and no world assigned to scene

BlenderSync::sync_world still relied on a blender world (mixes the world
viewport color with the studio light), for now just take black if no
world is present.

Maybe we should we use the theme color in the future here (seems eevee
does this in that case) -- we'd have to pass down `b_userpref` from
`BlenderSession::render` down to `sync_data > sync_shaders > sync_world`
then afaics.

Reviewed By: jbakker, brecht

Maniphest Tasks: T70573

Differential Revision: https://developer.blender.org/D6005
This commit is contained in:
Philipp Oeser 2019-10-07 11:31:47 +02:00
parent 60f0a94ab2
commit d4c452ff39
1 changed files with 10 additions and 2 deletions
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12
intern/cycles/blender/blender_shader.cpp
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@ -1340,6 +1340,14 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d,
graph->connect(background->output("Background"), out->input("Surface"));
}
else if (!new_viewport_parameters.use_scene_world) {
float3 world_color;
if (b_world) {
world_color = get_float3(b_world.color());
}
else {
world_color = make_float3(0.0f, 0.0f, 0.0f);
}
BackgroundNode *background = new BackgroundNode();
graph->add(background);
@ -1347,7 +1355,7 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d,
graph->add(light_path);
MixNode *mix_scene_with_background = new MixNode();
mix_scene_with_background->color2 = get_float3(b_world.color());
mix_scene_with_background->color2 = world_color;
graph->add(mix_scene_with_background);
EnvironmentTextureNode *texture_environment = new EnvironmentTextureNode();
@ -1369,7 +1377,7 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d,
MixNode *mix_background_with_environment = new MixNode();
mix_background_with_environment->fac = new_viewport_parameters.studiolight_background_alpha;
mix_background_with_environment->color1 = get_float3(b_world.color());
mix_background_with_environment->color1 = world_color;
graph->add(mix_background_with_environment);
ShaderNode *out = graph->output();