Code Style: use "#pragma once" in source directory

This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.

This patch has been generated by P1561 followed by `make format`.

Differential Revision: https://developer.blender.org/D8466

6 files changed, 6 insertions, 24 deletions

diff --git a/source/blender/render/extern/include/RE_bake.h b/source/blender/render/extern/include/RE_bake.h
index 6bb241b83ed..3ed41ede006 100644
--- a/source/blender/render/extern/include/RE_bake.h
+++ b/source/blender/render/extern/include/RE_bake.h
@@ -21,8 +21,7 @@
  * \ingroup render
  */
 
-#ifndef __RE_BAKE_H__
-#define __RE_BAKE_H__
+#pragma once
 
 struct Depsgraph;
 struct ImBuf;
@@ -127,5 +126,3 @@ void RE_bake_ibuf_clear(struct Image *image, const bool is_tangent);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RE_BAKE_H__ */
diff --git a/source/blender/render/extern/include/RE_engine.h b/source/blender/render/extern/include/RE_engine.h
index 49d312923e7..41f65fbda5c 100644
--- a/source/blender/render/extern/include/RE_engine.h
+++ b/source/blender/render/extern/include/RE_engine.h
@@ -21,8 +21,7 @@
  * \ingroup render
  */
 
-#ifndef __RE_ENGINE_H__
-#define __RE_ENGINE_H__
+#pragma once
 
 #include "DNA_listBase.h"
 #include "DNA_node_types.h"
@@ -244,5 +243,3 @@ void RE_engine_free_blender_memory(struct RenderEngine *engine);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RE_ENGINE_H__ */
diff --git a/source/blender/render/extern/include/RE_multires_bake.h b/source/blender/render/extern/include/RE_multires_bake.h
index 7698ff7d59c..c48ce7bfd6e 100644
--- a/source/blender/render/extern/include/RE_multires_bake.h
+++ b/source/blender/render/extern/include/RE_multires_bake.h
@@ -21,8 +21,7 @@
  * \ingroup render
  */
 
-#ifndef __RE_MULTIRES_BAKE_H__
-#define __RE_MULTIRES_BAKE_H__
+#pragma once
 
 struct MultiresBakeRender;
 struct Scene;
@@ -70,5 +69,3 @@ void RE_multires_bake_images(struct MultiresBakeRender *bkr);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/source/blender/render/extern/include/RE_pipeline.h b/source/blender/render/extern/include/RE_pipeline.h
index 45b5362d40b..c8cb537af39 100644
--- a/source/blender/render/extern/include/RE_pipeline.h
+++ b/source/blender/render/extern/include/RE_pipeline.h
@@ -21,8 +21,7 @@
  * \ingroup render
  */
 
-#ifndef __RE_PIPELINE_H__
-#define __RE_PIPELINE_H__
+#pragma once
 
 #include "DEG_depsgraph.h"
 #include "DNA_listBase.h"
@@ -392,5 +391,3 @@ RenderResult *RE_DuplicateRenderResult(RenderResult *rr);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RE_PIPELINE_H__ */
diff --git a/source/blender/render/extern/include/RE_render_ext.h b/source/blender/render/extern/include/RE_render_ext.h
index 7dfba8f668f..76812840c91 100644
--- a/source/blender/render/extern/include/RE_render_ext.h
+++ b/source/blender/render/extern/include/RE_render_ext.h
@@ -20,8 +20,7 @@
  * \ingroup render
  */
 
-#ifndef __RE_RENDER_EXT_H__
-#define __RE_RENDER_EXT_H__
+#pragma once
 
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
 /* this include is for non-render pipeline exports (still old cruft here) */
@@ -79,5 +78,3 @@ void RE_point_density_fix_linking(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RE_RENDER_EXT_H__ */
diff --git a/source/blender/render/extern/include/RE_shader_ext.h b/source/blender/render/extern/include/RE_shader_ext.h
index f69ae4dfd5c..dc41afee938 100644
--- a/source/blender/render/extern/include/RE_shader_ext.h
+++ b/source/blender/render/extern/include/RE_shader_ext.h
@@ -20,8 +20,7 @@
  * \ingroup render
  */
 
-#ifndef __RE_SHADER_EXT_H__
-#define __RE_SHADER_EXT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -82,5 +81,3 @@ int multitex_nodes(struct Tex *tex,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RE_SHADER_EXT_H__ */