Cycles: Make all #include statements relative to cycles source directory

The idea is to make include statements more explicit and obvious where the
file is coming from, additionally reducing chance of wrong header being
picked up.

For example, it was not obvious whether bvh.h was refferring to builder
or traversal, whenter node.h is a generic graph node or a shader node
and cases like that.

Surely this might look obvious for the active developers, but after some
time of not touching the code it becomes less obvious where file is coming
from.

This was briefly mentioned in T50824 and seems @brecht is fine with such
explicitness, but need to agree with all active developers before committing
this.

Please note that this patch is lacking changes related on GPU/OpenCL
support. This will be solved if/when we all agree this is a good idea to move
forward.

Reviewers: brecht, lukasstockner97, maiself, nirved, dingto, juicyfruit, swerner

Reviewed By: lukasstockner97, maiself, nirved, dingto

Subscribers: brecht

Differential Revision: https://developer.blender.org/D2586

6 files changed, 26 insertions, 26 deletions

diff --git a/intern/cycles/kernel/bvh/bvh.h b/intern/cycles/kernel/bvh/bvh.h
index 1358288f832..85741016b25 100644
--- a/intern/cycles/kernel/bvh/bvh.h
+++ b/intern/cycles/kernel/bvh/bvh.h
@@ -27,43 +27,43 @@
 
 CCL_NAMESPACE_BEGIN
 
-#include "bvh_types.h"
+#include "kernel/bvh/bvh_types.h"
 
 /* Common QBVH functions. */
 #ifdef __QBVH__
-#  include "qbvh_nodes.h"
+#  include "kernel/bvh/qbvh_nodes.h"
 #endif
 
 /* Regular BVH traversal */
 
-#include "bvh_nodes.h"
+#include "kernel/bvh/bvh_nodes.h"
 
 #define BVH_FUNCTION_NAME bvh_intersect
 #define BVH_FUNCTION_FEATURES 0
-#include "bvh_traversal.h"
+#include "kernel/bvh/bvh_traversal.h"
 
 #if defined(__INSTANCING__)
 #  define BVH_FUNCTION_NAME bvh_intersect_instancing
 #  define BVH_FUNCTION_FEATURES BVH_INSTANCING
-#  include "bvh_traversal.h"
+#  include "kernel/bvh/bvh_traversal.h"
 #endif
 
 #if defined(__HAIR__)
 #  define BVH_FUNCTION_NAME bvh_intersect_hair
 #  define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_HAIR|BVH_HAIR_MINIMUM_WIDTH
-#  include "bvh_traversal.h"
+#  include "kernel/bvh/bvh_traversal.h"
 #endif
 
 #if defined(__OBJECT_MOTION__)
 #  define BVH_FUNCTION_NAME bvh_intersect_motion
 #  define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_MOTION
-#  include "bvh_traversal.h"
+#  include "kernel/bvh/bvh_traversal.h"
 #endif
 
 #if defined(__HAIR__) && defined(__OBJECT_MOTION__)
 #  define BVH_FUNCTION_NAME bvh_intersect_hair_motion
 #  define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_HAIR|BVH_HAIR_MINIMUM_WIDTH|BVH_MOTION
-#  include "bvh_traversal.h"
+#  include "kernel/bvh/bvh_traversal.h"
 #endif
 
 /* Subsurface scattering BVH traversal */
@@ -71,12 +71,12 @@ CCL_NAMESPACE_BEGIN
 #if defined(__SUBSURFACE__)
 #  define BVH_FUNCTION_NAME bvh_intersect_subsurface
 #  define BVH_FUNCTION_FEATURES BVH_HAIR
-#  include "bvh_subsurface.h"
+#  include "kernel/bvh/bvh_subsurface.h"
 
 #  if defined(__OBJECT_MOTION__)
 #    define BVH_FUNCTION_NAME bvh_intersect_subsurface_motion
 #    define BVH_FUNCTION_FEATURES BVH_MOTION|BVH_HAIR
-#    include "bvh_subsurface.h"
+#    include "kernel/bvh/bvh_subsurface.h"
 #  endif
 #endif  /* __SUBSURFACE__ */
 
@@ -85,18 +85,18 @@ CCL_NAMESPACE_BEGIN
 #if defined(__VOLUME__)
 #  define BVH_FUNCTION_NAME bvh_intersect_volume
 #  define BVH_FUNCTION_FEATURES BVH_HAIR
-#  include "bvh_volume.h"
+#  include "kernel/bvh/bvh_volume.h"
 
 #  if defined(__INSTANCING__)
 #    define BVH_FUNCTION_NAME bvh_intersect_volume_instancing
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_HAIR
-#    include "bvh_volume.h"
+#    include "kernel/bvh/bvh_volume.h"
 #  endif
 
 #  if defined(__OBJECT_MOTION__)
 #    define BVH_FUNCTION_NAME bvh_intersect_volume_motion
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_MOTION|BVH_HAIR
-#    include "bvh_volume.h"
+#    include "kernel/bvh/bvh_volume.h"
 #  endif
 #endif  /* __VOLUME__ */
 
@@ -105,30 +105,30 @@ CCL_NAMESPACE_BEGIN
 #if defined(__SHADOW_RECORD_ALL__)
 #  define BVH_FUNCTION_NAME bvh_intersect_shadow_all
 #  define BVH_FUNCTION_FEATURES 0
-#  include "bvh_shadow_all.h"
+#  include "kernel/bvh/bvh_shadow_all.h"
 
 #  if defined(__INSTANCING__)
 #    define BVH_FUNCTION_NAME bvh_intersect_shadow_all_instancing
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING
-#    include "bvh_shadow_all.h"
+#    include "kernel/bvh/bvh_shadow_all.h"
 #  endif
 
 #  if defined(__HAIR__)
 #    define BVH_FUNCTION_NAME bvh_intersect_shadow_all_hair
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_HAIR
-#    include "bvh_shadow_all.h"
+#    include "kernel/bvh/bvh_shadow_all.h"
 #  endif
 
 #  if defined(__OBJECT_MOTION__)
 #    define BVH_FUNCTION_NAME bvh_intersect_shadow_all_motion
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_MOTION
-#    include "bvh_shadow_all.h"
+#    include "kernel/bvh/bvh_shadow_all.h"
 #  endif
 
 #  if defined(__HAIR__) && defined(__OBJECT_MOTION__)
 #    define BVH_FUNCTION_NAME bvh_intersect_shadow_all_hair_motion
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_HAIR|BVH_MOTION
-#    include "bvh_shadow_all.h"
+#    include "kernel/bvh/bvh_shadow_all.h"
 #  endif
 #endif  /* __SHADOW_RECORD_ALL__ */
 
@@ -137,18 +137,18 @@ CCL_NAMESPACE_BEGIN
 #if defined(__VOLUME_RECORD_ALL__)
 #  define BVH_FUNCTION_NAME bvh_intersect_volume_all
 #  define BVH_FUNCTION_FEATURES BVH_HAIR
-#  include "bvh_volume_all.h"
+#  include "kernel/bvh/bvh_volume_all.h"
 
 #  if defined(__INSTANCING__)
 #    define BVH_FUNCTION_NAME bvh_intersect_volume_all_instancing
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_HAIR
-#    include "bvh_volume_all.h"
+#    include "kernel/bvh/bvh_volume_all.h"
 #  endif
 
 #  if defined(__OBJECT_MOTION__)
 #    define BVH_FUNCTION_NAME bvh_intersect_volume_all_motion
 #    define BVH_FUNCTION_FEATURES BVH_INSTANCING|BVH_MOTION|BVH_HAIR
-#    include "bvh_volume_all.h"
+#    include "kernel/bvh/bvh_volume_all.h"
 #  endif
 #endif  /* __VOLUME_RECORD_ALL__ */
 
diff --git a/intern/cycles/kernel/bvh/bvh_shadow_all.h b/intern/cycles/kernel/bvh/bvh_shadow_all.h
index 1e9f3b60a79..267e098f912 100644
--- a/intern/cycles/kernel/bvh/bvh_shadow_all.h
+++ b/intern/cycles/kernel/bvh/bvh_shadow_all.h
@@ -18,7 +18,7 @@
  */
 
 #ifdef __QBVH__
-#  include "qbvh_shadow_all.h"
+#  include "kernel/bvh/qbvh_shadow_all.h"
 #endif
 
 #if BVH_FEATURE(BVH_HAIR)
diff --git a/intern/cycles/kernel/bvh/bvh_subsurface.h b/intern/cycles/kernel/bvh/bvh_subsurface.h
index 77778f5e36f..bda7e34907a 100644
--- a/intern/cycles/kernel/bvh/bvh_subsurface.h
+++ b/intern/cycles/kernel/bvh/bvh_subsurface.h
@@ -18,7 +18,7 @@
  */
 
 #ifdef __QBVH__
-#  include "qbvh_subsurface.h"
+#  include "kernel/bvh/qbvh_subsurface.h"
 #endif
 
 #if BVH_FEATURE(BVH_HAIR)
diff --git a/intern/cycles/kernel/bvh/bvh_traversal.h b/intern/cycles/kernel/bvh/bvh_traversal.h
index ac1fc14e2bf..c58d3b0316c 100644
--- a/intern/cycles/kernel/bvh/bvh_traversal.h
+++ b/intern/cycles/kernel/bvh/bvh_traversal.h
@@ -18,7 +18,7 @@
  */
 
 #ifdef __QBVH__
-#  include "qbvh_traversal.h"
+#  include "kernel/bvh/qbvh_traversal.h"
 #endif
 
 #if BVH_FEATURE(BVH_HAIR)
diff --git a/intern/cycles/kernel/bvh/bvh_volume.h b/intern/cycles/kernel/bvh/bvh_volume.h
index 7bf8fef35f3..764aaee44a1 100644
--- a/intern/cycles/kernel/bvh/bvh_volume.h
+++ b/intern/cycles/kernel/bvh/bvh_volume.h
@@ -18,7 +18,7 @@
  */
 
 #ifdef __QBVH__
-#  include "qbvh_volume.h"
+#  include "kernel/bvh/qbvh_volume.h"
 #endif
 
 #if BVH_FEATURE(BVH_HAIR)
diff --git a/intern/cycles/kernel/bvh/bvh_volume_all.h b/intern/cycles/kernel/bvh/bvh_volume_all.h
index b92c90a8ab7..04ec334e54d 100644
--- a/intern/cycles/kernel/bvh/bvh_volume_all.h
+++ b/intern/cycles/kernel/bvh/bvh_volume_all.h
@@ -18,7 +18,7 @@
  */
 
 #ifdef __QBVH__
-#  include "qbvh_volume_all.h"
+#  include "kernel/bvh/qbvh_volume_all.h"
 #endif
 
 #if BVH_FEATURE(BVH_HAIR)