Cycles: border rendering support, includes some refactoring in how pixels are

accessed on devices.

1 files changed, 24 insertions, 0 deletions

diff --git a/intern/cycles/blender/blender_camera.cpp b/intern/cycles/blender/blender_camera.cpp
index 442a8f62bfd..9777de14b1e 100644
--- a/intern/cycles/blender/blender_camera.cpp
+++ b/intern/cycles/blender/blender_camera.cpp
@@ -287,5 +287,29 @@ void BlenderSync::sync_view(BL::SpaceView3D b_v3d, BL::RegionView3D b_rv3d, int
 	blender_camera_sync(scene->camera, &bcam, width, height);
 }
 
+BufferParams BlenderSync::get_buffer_params(BL::Scene b_scene, BL::RegionView3D b_rv3d, int width, int height)
+{
+	BufferParams params;
+
+	params.full_width = width;
+	params.full_height = height;
+
+	/* border render */
+	BL::RenderSettings r = b_scene.render();
+
+	if(!b_rv3d && r.use_border()) {
+		params.full_x = r.border_min_x()*width;
+		params.full_y = r.border_min_y()*height;
+		params.width = (int)(r.border_max_x()*width) - params.full_x;
+		params.height = (int)(r.border_max_y()*height) - params.full_y;
+	}
+	else {
+		params.width = width;
+		params.height = height;
+	}
+
+	return params;
+}
+
 CCL_NAMESPACE_END