Cleanup: redundant struct declarations

source/blender/alembic/intern/abc_mball.h

@@ -24,9 +24,7 @@
 #include "abc_object.h"
 #include "abc_mesh.h"
 
-struct EvaluationContext;
 struct Main;
-struct MetaBall;
 struct Object;
 
 /* AbcMBallWriter converts the metaballs to meshes at every frame,

source/blender/alembic/intern/abc_util.h

@@ -44,7 +44,6 @@ using Alembic::Abc::chrono_t;
 class AbcObjectReader;
 struct ImportSettings;
 
-struct Base;
 struct ID;
 struct Object;
 

source/blender/blenkernel/BKE_DerivedMesh.h

@@ -79,12 +79,10 @@ struct CustomData_MeshMasks;
 struct Depsgraph;
 struct MEdge;
 struct MFace;
-struct MLoopNorSpaceArray;
 struct MVert;
 struct Mesh;
 struct ModifierData;
 struct Object;
-struct PBVH;
 struct Scene;
 
 /*

source/blender/blenkernel/BKE_anim.h

@@ -24,7 +24,6 @@
  */
 struct Depsgraph;
 struct ListBase;
-struct Main;
 struct Object;
 struct ParticleSystem;
 struct Path;

source/blender/blenkernel/BKE_animsys.h

@@ -34,7 +34,6 @@ struct KeyingSet;
 struct ListBase;
 struct Main;
 struct NlaKeyframingContext;
-struct PathResolvedRNA;
 struct PointerRNA;
 struct PropertyRNA;
 struct ReportList;

source/blender/blenkernel/BKE_armature.h

@@ -25,7 +25,6 @@
 
 struct Bone;
 struct Depsgraph;
-struct GHash;
 struct ListBase;
 struct Main;
 struct Object;

source/blender/blenkernel/BKE_blender_undo.h

@@ -26,7 +26,6 @@ extern "C" {
 
 struct Main;
 struct MemFileUndoData;
-struct Scene;
 struct bContext;
 
 #define BKE_UNDO_STR_MAX 64

source/blender/blenkernel/BKE_brush.h

@@ -28,8 +28,6 @@ struct Brush;
 struct ImBuf;
 struct ImagePool;
 struct Main;
-struct Material;
-struct Paint;
 struct Scene;
 struct ToolSettings;
 struct UnifiedPaintSettings;

source/blender/blenkernel/BKE_bvhutils.h

@@ -31,7 +31,6 @@
  */
 
 struct BMEditMesh;
-struct DerivedMesh;
 struct MFace;
 struct MVert;
 struct Mesh;

source/blender/blenkernel/BKE_cachefile.h

@@ -33,7 +33,6 @@ struct CacheReader;
 struct Depsgraph;
 struct Main;
 struct Object;
-struct Scene;
 
 void BKE_cachefiles_init(void);
 void BKE_cachefiles_exit(void);

source/blender/blenkernel/BKE_camera.h

@@ -32,14 +32,12 @@ extern "C" {
 
 struct Camera;
 struct Depsgraph;
-struct GPUFXSettings;
 struct Main;
 struct Object;
 struct RegionView3D;
 struct RenderData;
 struct Scene;
 struct View3D;
-struct ViewLayer;
 struct rctf;
 
 /* Camera Datablock */

source/blender/blenkernel/BKE_cloth.h

@@ -29,7 +29,6 @@
 struct ClothModifierData;
 struct CollisionModifierData;
 struct Depsgraph;
-struct MFace;
 struct Mesh;
 struct Object;
 struct Scene;

source/blender/blenkernel/BKE_collection.h

@@ -35,8 +35,6 @@ extern "C" {
 struct BLI_Iterator;
 struct Base;
 struct Collection;
-struct Depsgraph;
-struct ID;
 struct Main;
 struct Object;
 struct Scene;

source/blender/blenkernel/BKE_collision.h

@@ -37,11 +37,9 @@
 struct Collection;
 struct CollisionModifierData;
 struct Depsgraph;
-struct MFace;
 struct MVert;
 struct MVertTri;
 struct Object;
-struct Scene;
 
 ////////////////////////////////////////
 // used for collisions in collision.c

source/blender/blenkernel/BKE_context.h

@@ -33,7 +33,6 @@ extern "C" {
 
 struct ARegion;
 struct Base;
-struct Brush;
 struct CacheFile;
 struct Collection;
 struct Depsgraph;
@@ -59,7 +58,6 @@ struct Text;
 struct ToolSettings;
 struct View3D;
 struct ViewLayer;
-struct ViewRender;
 struct bGPDframe;
 struct bGPDlayer;
 struct bGPdata;

source/blender/blenkernel/BKE_curve.h

@@ -26,15 +26,12 @@
 struct BezTriple;
 struct Curve;
 struct Depsgraph;
-struct EditNurb;
 struct GHash;
-struct LinkNode;
 struct ListBase;
 struct Main;
 struct Nurb;
 struct Object;
 struct Path;
-struct Scene;
 struct TextBox;
 struct rctf;
 

source/blender/blenkernel/BKE_displist.h

@@ -49,9 +49,7 @@ enum {
 /* prototypes */
 
 struct Depsgraph;
-struct LinkNode;
 struct ListBase;
-struct Main;
 struct Mesh;
 struct Object;
 struct Scene;

source/blender/blenkernel/BKE_dynamicpaint.h

@@ -25,9 +25,7 @@ struct Depsgraph;
 struct DynamicPaintCanvasSettings;
 struct DynamicPaintModifierData;
 struct DynamicPaintRuntime;
-struct Main;
 struct Scene;
-struct ViewLayer;
 
 /* Actual surface point */
 typedef struct PaintSurfaceData {

source/blender/blenkernel/BKE_editmesh.h

@@ -31,7 +31,6 @@
 struct BMLoop;
 struct BMesh;
 struct Depsgraph;
-struct DerivedMesh;
 struct EditMeshData;
 struct Mesh;
 struct MeshStatVis;

source/blender/blenkernel/BKE_gpencil.h

@@ -24,31 +24,23 @@
  * \ingroup bke
  */
 
-struct Scene;
-struct ArrayGpencilModifierData;
 struct BoundBox;
 struct Brush;
 struct CurveMapping;
 struct Depsgraph;
-struct GpencilModifierData;
-struct LatticeGpencilModifierData;
 struct ListBase;
 struct Main;
 struct Material;
 struct Object;
-struct SimplifyGpencilModifierData;
 struct ToolSettings;
 struct bDeformGroup;
 struct bGPDframe;
 struct bGPDlayer;
-struct bGPDpalette;
-struct bGPDpalettecolor;
 struct bGPDspoint;
 struct bGPDstroke;
 struct bGPdata;
 
 struct MDeformVert;
-struct MDeformWeight;
 
 #define GPENCIL_SIMPLIFY(scene) ((scene->r.simplify_gpencil & SIMPLIFY_GPENCIL_ENABLE))
 #define GPENCIL_SIMPLIFY_ONPLAY(playing) \

source/blender/blenkernel/BKE_gpencil_modifier.h

@@ -24,22 +24,16 @@
 #include "BLI_compiler_attrs.h"
 #include "BKE_customdata.h"
 
-struct BMEditMesh;
-struct DepsNodeHandle;
 struct Depsgraph;
 struct GpencilModifierData;
 struct ID;
 struct ListBase;
 struct Main;
-struct Mesh;
 struct ModifierUpdateDepsgraphContext;
 struct Object;
 struct Scene;
-struct ViewLayer;
-struct bArmature;
 /* NOTE: bakeModifier() called from UI:
  * needs to create new databloc-ks, hence the need for this. */
-struct bContext;
 struct bGPDframe;
 struct bGPDlayer;
 struct bGPDstroke;

source/blender/blenkernel/BKE_image_save.h

@@ -31,7 +31,6 @@ extern "C" {
 
 struct Image;
 struct Main;
-struct RenderResult;
 struct ReportList;
 struct Scene;
 

source/blender/blenkernel/BKE_key.h

@@ -31,7 +31,6 @@ struct ListBase;
 struct Main;
 struct Mesh;
 struct Object;
-struct WeightsArrayCache;
 
 /* Kernel prototypes */
 #ifdef __cplusplus

source/blender/blenkernel/BKE_layer.h

@@ -37,17 +37,12 @@ extern "C" {
 struct Base;
 struct Collection;
 struct Depsgraph;
-struct ID;
-struct IDProperty;
 struct LayerCollection;
-struct ListBase;
 struct Main;
 struct Object;
-struct RenderEngine;
 struct Scene;
 struct View3D;
 struct ViewLayer;
-struct WorkSpace;
 
 struct ViewLayer *BKE_view_layer_default_view(const struct Scene *scene);
 struct ViewLayer *BKE_view_layer_default_render(const struct Scene *scene);

source/blender/blenkernel/BKE_library.h

@@ -46,17 +46,14 @@ extern "C" {
  * except in some specific cases requiring advanced (and potentially dangerous) handling.
  */
 
-struct BlendThumbnail;
 struct GHash;
 struct ID;
-struct ImBuf;
 struct Library;
 struct ListBase;
 struct Main;
 struct PointerRNA;
 struct PropertyRNA;
 struct bContext;
-struct wmWindowManager;
 
 size_t BKE_libblock_get_alloc_info(short type, const char **name);
 void *BKE_libblock_alloc_notest(short type) ATTR_WARN_UNUSED_RESULT;

source/blender/blenkernel/BKE_library_remap.h

@@ -25,6 +25,8 @@ extern "C" {
 
 #include "BLI_compiler_attrs.h"
 
+struct wmWindowManager;
+
 /* BKE_libblock_free, delete are declared in BKE_library.h for convenience. */
 
 /* Also IDRemap->flag. */

source/blender/blenkernel/BKE_light.h

@@ -32,7 +32,6 @@ extern "C" {
 
 struct Light;
 struct Main;
-struct Scene;
 
 void BKE_light_init(struct Light *la);
 struct Light *BKE_light_add(struct Main *bmain, const char *name) ATTR_WARN_UNUSED_RESULT;

source/blender/blenkernel/BKE_linestyle.h

@@ -38,7 +38,6 @@ extern "C" {
 
 struct ColorBand;
 struct Main;
-struct Object;
 struct ViewLayer;
 struct bContext;
 

source/blender/blenkernel/BKE_main.h

@@ -40,7 +40,6 @@ extern "C" {
 
 struct BLI_mempool;
 struct BlendThumbnail;
-struct Depsgraph;
 struct GHash;
 struct GSet;
 struct ImBuf;

source/blender/blenkernel/BKE_mask.h

@@ -38,7 +38,6 @@ struct MaskSplinePoint;
 struct MaskSplinePointUW;
 struct MovieClip;
 struct MovieClipUser;
-struct Scene;
 
 /* mask_ops.c */
 typedef enum {

source/blender/blenkernel/BKE_mball_tessellate.h

@@ -20,7 +20,6 @@
  * \ingroup bke
  */
 struct Depsgraph;
-struct Main;
 struct Object;
 struct Scene;
 

source/blender/blenkernel/BKE_mesh.h

@@ -53,13 +53,11 @@ struct MLoopTri;
 struct MLoopUV;
 struct MPoly;
 struct MVert;
-struct MVertTri;
 struct Main;
 struct MemArena;
 struct Mesh;
 struct ModifierData;
 struct Object;
-struct ReportList;
 struct Scene;
 
 #ifdef __cplusplus

source/blender/blenkernel/BKE_mesh_iterators.h

@@ -20,12 +20,6 @@
  * \ingroup bke
  */
 
-struct MEdge;
-struct MLoop;
-struct MLoopTri;
-struct MLoopUV;
-struct MPoly;
-struct MVert;
 struct Mesh;
 
 typedef enum MeshForeachFlag {

source/blender/blenkernel/BKE_mesh_runtime.h

@@ -27,7 +27,6 @@
 
 //#include "BKE_customdata.h"  /* for CustomDataMask */
 
-struct ColorBand;
 struct CustomData;
 struct CustomData_MeshMasks;
 struct Depsgraph;

source/blender/blenkernel/BKE_mesh_tangent.h

@@ -20,6 +20,8 @@
  * \ingroup bke
  */
 
+struct ReportList;
+
 void BKE_mesh_calc_loop_tangent_single_ex(const struct MVert *mverts,
                                           const int numVerts,
                                           const struct MLoop *mloops,

source/blender/blenkernel/BKE_modifier.h

@@ -35,7 +35,6 @@ struct Mesh;
 struct ModifierData;
 struct Object;
 struct Scene;
-struct ViewLayer;
 struct bArmature;
 
 typedef enum {

source/blender/blenkernel/BKE_node.h

@@ -59,7 +59,6 @@ struct RenderData;
 struct Scene;
 struct SpaceNode;
 struct Tex;
-struct ViewRender;
 struct bContext;
 struct bNode;
 struct bNodeExecContext;

source/blender/blenkernel/BKE_object.h

@@ -43,7 +43,6 @@ struct RegionView3D;
 struct RigidBodyWorld;
 struct Scene;
 struct ShaderFxData;
-struct SoftBody;
 struct View3D;
 struct ViewLayer;
 

source/blender/blenkernel/BKE_paint.h

@@ -32,7 +32,6 @@ struct Depsgraph;
 struct EnumPropertyItem;
 struct GridPaintMask;
 struct ImagePool;
-struct MFace;
 struct MLoop;
 struct MLoopTri;
 struct MVert;
@@ -47,7 +46,6 @@ struct Palette;
 struct PaletteColor;
 struct ReportList;
 struct Scene;
-struct Sculpt;
 struct StrokeCache;
 struct SubdivCCG;
 struct SubdivCCG;

source/blender/blenkernel/BKE_particle.h

@@ -57,7 +57,6 @@ struct ModifierData;
 struct Object;
 struct RNG;
 struct Scene;
-struct ViewLayer;
 
 #define PARTICLE_COLLISION_MAX_COLLISIONS 10
 

source/blender/blenkernel/BKE_pbvh.h

@@ -28,12 +28,10 @@
 
 struct BMLog;
 struct BMesh;
-struct CCGDerivedMesh;
 struct CCGElem;
 struct CCGKey;
 struct CustomData;
 struct DMFlagMat;
-struct GPUBatch;
 struct GPU_PBVH_Buffers;
 struct IsectRayPrecalc;
 struct MLoop;

source/blender/blenkernel/BKE_scene.h

@@ -38,8 +38,6 @@ struct TransformOrientation;
 struct UnitSettings;
 struct View3DCursor;
 struct ViewLayer;
-struct ViewRender;
-struct WorkSpace;
 
 typedef enum eSceneCopyMethod {
   SCE_COPY_NEW = 0,

source/blender/blenkernel/BKE_screen.h

@@ -24,7 +24,6 @@
  */
 
 struct ARegion;
-struct GPUFXSettings;
 struct Header;
 struct ID;
 struct ListBase;
@@ -35,7 +34,6 @@ struct ScrArea;
 struct ScrAreaMap;
 struct ScrVert;
 struct SpaceType;
-struct TransformOrientation;
 struct View3D;
 struct View3DShading;
 struct WorkSpace;

source/blender/blenkernel/BKE_sequencer.h

@@ -26,13 +26,11 @@
 
 struct Depsgraph;
 struct Editing;
-struct GPUFX;
 struct GPUOffScreen;
 struct GSet;
 struct ImBuf;
 struct Main;
 struct Mask;
-struct RenderEngineType;
 struct Scene;
 struct Sequence;
 struct SequenceModifierData;

source/blender/blenkernel/BKE_shader_fx.h

@@ -24,22 +24,11 @@
 #include "BLI_compiler_attrs.h"
 #include "BKE_customdata.h"
 
-struct DepsNodeHandle;
-struct Depsgraph;
-struct DerivedMesh;
 struct ID;
 struct ListBase;
-struct Main;
-struct Mesh;
 struct ModifierUpdateDepsgraphContext;
 struct Object;
-struct Scene;
 struct ShaderFxData;
-struct ViewLayer;
-struct bArmature;
-struct bGPDframe;
-struct bGPDlayer;
-struct bGPDstroke;
 
 #define SHADER_FX_ACTIVE(_fx, _is_render) \
   (((_fx->mode & eShaderFxMode_Realtime) && (_is_render == false)) || \

source/blender/blenkernel/BKE_shrinkwrap.h

@@ -41,7 +41,6 @@
 
 struct BVHTree;
 struct MDeformVert;
-struct MVert;
 struct Mesh;
 struct ModifierEvalContext;
 struct Object;

source/blender/blenkernel/BKE_subdiv.h

@@ -29,12 +29,10 @@
 
 struct Mesh;
 struct MultiresModifierData;
-struct Object;
 struct OpenSubdiv_Converter;
 struct OpenSubdiv_Evaluator;
 struct OpenSubdiv_TopologyRefiner;
 struct Subdiv;
-struct SubdivToMeshSettings;
 
 typedef enum eSubdivVtxBoundaryInterpolation {
   /* Do not interpolate boundaries. */

source/blender/blenkernel/BKE_texture.h

@@ -31,17 +31,13 @@ struct Brush;
 struct ColorBand;
 struct FreestyleLineStyle;
 struct ImagePool;
-struct Light;
 struct MTex;
 struct Main;
-struct Material;
 struct ParticleSettings;
 struct PointDensity;
 struct Tex;
 struct TexMapping;
 struct TexResult;
-struct World;
-struct bNode;
 
 /*  in ColorBand struct */
 #define MAXCOLORBAND 32

source/blender/blenkernel/BKE_tracking.h

@@ -25,7 +25,6 @@
  */
 
 struct Camera;
-struct Depsgraph;
 struct ImBuf;
 struct ListBase;
 struct MovieClipUser;

source/blender/blenkernel/BKE_workspace.h

@@ -24,9 +24,6 @@
 #include "BLI_compiler_attrs.h"
 
 struct Main;
-struct Scene;
-struct TransformOrientation;
-struct ViewLayer;
 struct bScreen;
 struct bToolRef;
 

source/blender/blenkernel/nla_private.h

@@ -24,8 +24,6 @@
 #ifndef __NLA_PRIVATE_H__
 #define __NLA_PRIVATE_H__
 
-struct Depsgraph;
-
 #include "RNA_types.h"
 #include "BLI_bitmap.h"
 #include "BLI_ghash.h"

source/blender/blenlib/BLI_dynstr.h

@@ -35,7 +35,6 @@
 #include "BLI_compiler_attrs.h"
 
 struct DynStr;
-struct MemArena;
 
 /** The abstract DynStr type */
 typedef struct DynStr DynStr;

source/blender/blenlib/BLI_memiter.h

@@ -33,7 +33,6 @@ extern "C" {
 #define BLI_MEMITER_DEFAULT_SIZE (1 << 19)
 
 struct BLI_memiter;
-struct BLI_memiter_chunk;
 
 typedef struct BLI_memiter BLI_memiter;
 

source/blender/blenlib/BLI_path_util.h

@@ -29,8 +29,6 @@ extern "C" {
 
 #include "BLI_compiler_attrs.h"
 
-struct ListBase;
-
 void BLI_setenv(const char *env, const char *val) ATTR_NONNULL(1);
 void BLI_setenv_if_new(const char *env, const char *val) ATTR_NONNULL(1);
 const char *BLI_getenv(const char *env) ATTR_NONNULL(1);

source/blender/blenloader/BLO_readfile.h

@@ -41,7 +41,6 @@ struct UserDef;
 struct View3D;
 struct ViewLayer;
 struct WorkSpace;
-struct bContext;
 struct bScreen;
 struct wmWindowManager;
 

source/blender/collada/AnimationExporter.h

@@ -78,8 +78,6 @@ extern "C" {
 #include <map>
 #include <algorithm>  // std::find
 
-struct Depsgraph;
-
 typedef enum BC_animation_source_type {
   BC_SOURCE_TYPE_VALUE,
   BC_SOURCE_TYPE_ANGLE,

source/blender/collada/ControllerExporter.h

@@ -47,7 +47,6 @@
 
 #include "BKE_key.h"
 
-struct Depsgraph;
 class SceneExporter;
 
 class ControllerExporter : public COLLADASW::LibraryControllers,

source/blender/collada/GeometryExporter.h

@@ -39,8 +39,6 @@
 #include "BlenderContext.h"
 #include "BKE_key.h"
 
-struct Depsgraph;
-
 class Normal {
  public:
   float x;

source/blender/collada/collada.h

@@ -34,9 +34,6 @@ extern "C" {
 #include "BLI_path_util.h"
 #include "RNA_types.h"
 
-struct Depsgraph;
-struct Scene;
-struct ViewLayer;
 struct bContext;
 
 /*

source/blender/collada/collada_utils.h

@@ -69,8 +69,6 @@ extern "C" {
 
 constexpr int LIMITTED_PRECISION = 6;
 
-struct Depsgraph;
-
 typedef std::map<COLLADAFW::UniqueId, Image *> UidImageMap;
 typedef std::map<std::string, Image *> KeyImageMap;
 typedef std::map<COLLADAFW::TextureMapId, std::vector<MTex *>> TexIndexTextureArrayMap;

source/blender/depsgraph/DEG_depsgraph.h

@@ -55,9 +55,6 @@ typedef struct Depsgraph Depsgraph;
 
 struct Main;
 
-struct PointerRNA;
-struct PropertyRNA;
-struct RenderEngineType;
 struct Scene;
 struct ViewLayer;
 

source/blender/depsgraph/DEG_depsgraph_build.h

@@ -34,12 +34,9 @@ struct Depsgraph;
 /* ------------------------------------------------ */
 
 struct CacheFile;
-struct Collection;
 struct CustomData_MeshMasks;
-struct EffectorWeights;
 struct ID;
 struct Main;
-struct ModifierData;
 struct Object;
 struct Scene;
 struct ViewLayer;

source/blender/depsgraph/DEG_depsgraph_query.h

@@ -32,14 +32,13 @@
 /* Needed for the instance iterator. */
 #include "DNA_object_types.h"
 
-struct ID;
-
 struct BLI_Iterator;
-struct Base;
 struct CustomData_MeshMasks;
 struct Depsgraph;
 struct DupliObject;
+struct ID;
 struct ListBase;
+struct PointerRNA;
 struct Scene;
 struct ViewLayer;
 

source/blender/depsgraph/intern/builder/deg_builder_map.h

@@ -25,7 +25,6 @@
 
 #include "intern/depsgraph_type.h"
 
-struct GSet;
 struct ID;
 
 namespace DEG {

source/blender/depsgraph/intern/builder/deg_builder_nodes.h

@@ -31,7 +31,6 @@
 
 #include "DEG_depsgraph.h"
 
-struct Base;
 struct CacheFile;
 struct Camera;
 struct Collection;
@@ -44,14 +43,12 @@ struct LayerCollection;
 struct Light;
 struct LightProbe;
 struct ListBase;
-struct MTex;
 struct Main;
 struct Mask;
 struct Material;
 struct MovieClip;
 struct Object;
 struct ParticleSettings;
-struct Probe;
 struct Scene;
 struct Speaker;
 struct Tex;
@@ -64,15 +61,12 @@ struct bNodeTree;
 struct bPoseChannel;
 struct bSound;
 
-struct PropertyRNA;
-
 namespace DEG {
 
 struct ComponentNode;
 struct Depsgraph;
 class DepsgraphBuilderCache;
 struct IDNode;
-struct Node;
 struct OperationNode;
 struct TimeSourceNode;
 

source/blender/depsgraph/intern/builder/deg_builder_relations.h

@@ -51,7 +51,6 @@ struct Camera;
 struct Collection;
 struct EffectorWeights;
 struct FCurve;
-struct GHash;
 struct ID;
 struct Image;
 struct Key;
@@ -59,11 +58,9 @@ struct LayerCollection;
 struct Light;
 struct LightProbe;
 struct ListBase;
-struct MTex;
 struct Main;
 struct Mask;
 struct Material;
-struct ModifierData;
 struct MovieClip;
 struct Object;
 struct ParticleSettings;

source/blender/depsgraph/intern/depsgraph.h

@@ -45,13 +45,11 @@
 struct GHash;
 struct GSet;
 struct ID;
-struct Main;
 struct Scene;
 struct ViewLayer;
 
 namespace DEG {
 
-struct ComponentNode;
 struct IDNode;
 struct Node;
 struct OperationNode;

source/blender/depsgraph/intern/node/deg_node.h

@@ -29,7 +29,6 @@
 
 #include "DEG_depsgraph_build.h"
 
-struct GHash;
 struct ID;
 struct Scene;
 

source/blender/depsgraph/intern/node/deg_node_id.h

@@ -26,6 +26,8 @@
 #include "intern/node/deg_node.h"
 #include "BLI_sys_types.h"
 
+struct GHash;
+
 namespace DEG {
 
 struct ComponentNode;

source/blender/depsgraph/intern/node/deg_node_operation.h

@@ -28,7 +28,6 @@
 #include "intern/depsgraph_type.h"
 
 struct Depsgraph;
-struct ID;
 
 namespace DEG {
 

source/blender/draw/DRW_engine.h

@@ -26,28 +26,20 @@
 #include "BLI_sys_types.h" /* for bool */
 
 struct ARegion;
-struct Base;
 struct DRWInstanceDataList;
-struct DRWPass;
 struct Depsgraph;
 struct DrawEngineType;
 struct GPUMaterial;
 struct GPUOffScreen;
 struct GPUViewport;
 struct ID;
-struct IDProperty;
 struct Main;
-struct Material;
 struct Object;
-struct RegionView3D;
 struct RenderEngine;
 struct RenderEngineType;
 struct Scene;
 struct View3D;
-struct ViewContext;
 struct ViewLayer;
-struct ViewportEngineData;
-struct WorkSpace;
 struct bContext;
 struct rcti;
 

source/blender/draw/DRW_select_buffer.h

@@ -30,7 +30,6 @@ struct Base;
 struct Depsgraph;
 struct Object;
 struct View3D;
-struct ViewLayer;
 struct rcti;
 
 typedef struct SELECTID_ObjectData {

source/blender/draw/engines/eevee/eevee_lightcache.h

@@ -26,7 +26,6 @@
 #include "BLI_sys_types.h" /* for bool */
 
 struct EEVEE_Data;
-struct EEVEE_LightBake;
 struct EEVEE_ViewLayerData;
 struct LightCache;
 struct Scene;

source/blender/draw/engines/eevee/eevee_private.h

@@ -30,7 +30,6 @@ struct EEVEE_ShadowCasterBuffer;
 struct GPUFrameBuffer;
 struct Object;
 struct RenderLayer;
-struct RenderResult;
 
 extern struct DrawEngineType draw_engine_eevee_type;
 

source/blender/draw/engines/gpencil/gpencil_engine.h

@@ -28,12 +28,10 @@
 struct GPENCIL_Data;
 struct GPENCIL_StorageList;
 struct MaterialGPencilStyle;
-struct ModifierData;
 struct Object;
 struct RenderEngine;
 struct RenderLayer;
 struct bGPDstroke;
-struct tGPspoint;
 
 struct GPUBatch;
 struct GPUVertBuf;

source/blender/draw/intern/DRW_render.h

@@ -61,7 +61,6 @@
 
 #include "DEG_depsgraph.h"
 
-struct DRWTextStore;
 struct DefaultFramebufferList;
 struct DefaultTextureList;
 struct GPUBatch;
@@ -70,12 +69,9 @@ struct GPUMaterial;
 struct GPUShader;
 struct GPUTexture;
 struct GPUUniformBuffer;
-struct LightEngineData;
 struct Object;
 struct ParticleSystem;
 struct RenderEngineType;
-struct ViewportEngineData;
-struct ViewportEngineData_Info;
 struct bContext;
 struct rcti;
 

source/blender/draw/intern/draw_cache_impl.h

@@ -23,18 +23,14 @@
 #ifndef __DRAW_CACHE_IMPL_H__
 #define __DRAW_CACHE_IMPL_H__
 
-struct CurveCache;
 struct GPUBatch;
 struct GPUIndexBuf;
 struct GPUMaterial;
-struct GPUTexture;
 struct GPUVertBuf;
 struct ListBase;
 struct ModifierData;
 struct PTCacheEdit;
 struct ParticleSystem;
-struct SpaceImage;
-struct ToolSettings;
 
 struct Curve;
 struct Lattice;

source/blender/draw/intern/draw_common.h

@@ -30,7 +30,6 @@ struct GPUBatch;
 struct GPUMaterial;
 struct ModifierData;
 struct Object;
-struct PTCacheEdit;
 struct ParticleSystem;
 struct ViewLayer;
 

source/blender/draw/intern/draw_instance_data.h

@@ -35,8 +35,6 @@
 typedef struct DRWInstanceData DRWInstanceData;
 typedef struct DRWInstanceDataList DRWInstanceDataList;
 
-struct DRWShadingGroup;
-
 void *DRW_instance_data_next(DRWInstanceData *idata);
 DRWInstanceData *DRW_instance_data_request(DRWInstanceDataList *idatalist, uint attr_size);
 

source/blender/editors/armature/armature_intern.h

@@ -30,7 +30,6 @@ struct wmOperatorType;
 struct Base;
 struct Object;
 struct Scene;
-struct bAction;
 struct bContext;
 struct bPoseChannel;
 

source/blender/editors/include/BIF_glutil.h

@@ -24,7 +24,6 @@
 #ifndef __BIF_GLUTIL_H__
 #define __BIF_GLUTIL_H__
 
-struct rctf;
 struct rcti;
 
 struct ColorManagedDisplaySettings;

source/blender/editors/include/ED_armature.h

@@ -42,7 +42,6 @@ struct ReportList;
 struct Scene;
 struct UndoType;
 struct View3D;
-struct ViewContext;
 struct ViewLayer;
 struct bArmature;
 struct bContext;

source/blender/editors/include/ED_clip.h

@@ -29,7 +29,6 @@ struct ImBuf;
 struct Main;
 struct Mask;
 struct MovieClip;
-struct Scene;
 struct SpaceClip;
 struct bContext;
 struct bScreen;

source/blender/editors/include/ED_gizmo_library.h

@@ -43,10 +43,8 @@ void ED_gizmotypes_value_2d(void);
 void ED_gizmogrouptypes_value_2d(void);
 
 struct Object;
-struct Scene;
 struct bContext;
 struct wmGizmo;
-struct wmGizmoGroup;
 
 /* -------------------------------------------------------------------- */
 /* Shape Presets

source/blender/editors/include/ED_gpencil.h

@@ -27,7 +27,6 @@
 struct ID;
 struct ListBase;
 struct PointerRNA;
-struct rcti;
 
 struct Brush;
 struct bGPDframe;
@@ -39,13 +38,11 @@ struct tGPspoint;
 
 struct ARegion;
 struct Depsgraph;
-struct EvaluationContext;
 struct Main;
 struct RegionView3D;
 struct ReportList;
 struct Scene;
 struct ScrArea;
-struct ToolSettings;
 struct View3D;
 struct ViewLayer;
 struct bContext;
@@ -58,8 +55,6 @@ struct bAnimContext;
 
 struct wmKeyConfig;
 struct wmOperator;
-struct wmWindow;
-struct wmWindowManager;
 
 /* ------------- Grease-Pencil Runtime Data ---------------- */
 

source/blender/editors/include/ED_image.h

@@ -31,7 +31,6 @@ struct ImageUser;
 struct ReportList;
 struct Scene;
 struct SpaceImage;
-struct ToolSettings;
 struct ViewLayer;
 struct bContext;
 struct wmWindowManager;

source/blender/editors/include/ED_keyframes_draw.h

@@ -31,7 +31,6 @@ struct FCurve;
 struct ListBase;
 struct MaskLayer;
 struct Object;
-struct Palette;
 struct Scene;
 struct View2D;
 struct bAction;

source/blender/editors/include/ED_keyframing.h

@@ -44,8 +44,6 @@ struct bPoseChannel;
 struct ReportList;
 struct bContext;
 
-struct Depsgraph;
-
 struct EnumPropertyItem;
 struct PointerRNA;
 struct PropertyRNA;

source/blender/editors/include/ED_markers.h

@@ -29,7 +29,6 @@ struct TimeMarker;
 struct bAnimContext;
 struct bContext;
 struct wmKeyConfig;
-struct wmKeyMap;
 
 /* Drawing API ------------------------------ */
 

source/blender/editors/include/ED_mesh.h

@@ -45,7 +45,6 @@ struct Mesh;
 struct Object;
 struct ReportList;
 struct Scene;
-struct ToolSettings;
 struct UndoType;
 struct UvMapVert;
 struct UvMapVert;
@@ -55,7 +54,6 @@ struct View3D;
 struct ViewContext;
 struct bContext;
 struct bDeformGroup;
-struct rcti;
 struct wmKeyConfig;
 struct wmOperator;
 

source/blender/editors/include/ED_object.h

@@ -34,7 +34,6 @@ struct EnumPropertyItem;
 struct EnumPropertyItem;
 struct ID;
 struct Main;
-struct Menu;
 struct ModifierData;
 struct Object;
 struct PointerRNA;
@@ -51,10 +50,8 @@ struct bFaceMap;
 struct bPoseChannel;
 struct uiLayout;
 struct wmKeyConfig;
-struct wmKeyMap;
 struct wmOperator;
 struct wmOperatorType;
-struct wmWindow;
 struct wmWindowManager;
 
 #include "DNA_object_enums.h"

source/blender/editors/include/ED_screen.h

@@ -39,10 +39,8 @@ struct Depsgraph;
 struct IDProperty;
 struct Main;
 struct MenuType;
-struct PropertyRNA;
 struct Scene;
 struct SpaceLink;
-struct ViewLayer;
 struct WorkSpace;
 struct WorkSpaceInstanceHook;
 struct bContext;
@@ -50,7 +48,6 @@ struct bScreen;
 struct rcti;
 struct uiBlock;
 struct uiLayout;
-struct wmEvent;
 struct wmKeyConfig;
 struct wmMsgBus;
 struct wmMsgSubscribeKey;

source/blender/editors/include/ED_sculpt.h

@@ -25,10 +25,7 @@
 #define __ED_SCULPT_H__
 
 struct ARegion;
-struct ListBase;
 struct Object;
-struct RegionView3D;
-struct UndoStep;
 struct UndoType;
 struct ViewContext;
 struct bContext;

source/blender/editors/include/ED_time_scrub_ui.h

@@ -24,7 +24,6 @@
 #ifndef __ED_TIME_SCRUB_UI_H__
 #define __ED_TIME_SCRUB_UI_H__
 
-struct View2DGrid;
 struct bContext;
 struct bDopeSheet;
 struct wmEvent;

source/blender/editors/include/ED_transform.h

@@ -26,18 +26,11 @@
 
 /* ******************* Registration Function ********************** */
 
-struct ARegion;
-struct ListBase;
-struct Main;
 struct Object;
 struct SnapObjectContext;
 struct SnapObjectParams;
-struct View3D;
-struct WorkSpace;
 struct bContext;
-struct wmEvent;
 struct wmKeyConfig;
-struct wmKeyMap;
 struct wmOperatorType;
 
 void ED_keymap_transform(struct wmKeyConfig *keyconf);
@@ -112,7 +105,6 @@ struct Scene;
 struct TransInfo;
 struct wmGizmoGroup;
 struct wmGizmoGroupType;
-struct wmOperator;
 
 /* UNUSED */
 // int BIF_snappingSupported(struct Object *obedit);

source/blender/editors/include/ED_transform_snap_object_context.h

@@ -32,8 +32,6 @@ struct Main;
 struct Object;
 struct Scene;
 struct View3D;
-struct ViewLayer;
-struct bContext;
 
 /* transform_snap_object.c */
 

source/blender/editors/include/ED_uvedit.h

@@ -37,7 +37,6 @@ struct Object;
 struct Scene;
 struct SpaceImage;
 struct ToolSettings;
-struct View3D;
 struct ViewLayer;
 struct bNode;
 struct wmKeyConfig;

source/blender/editors/include/ED_view3d.h

@@ -38,8 +38,6 @@ struct Camera;
 struct CustomData_MeshMasks;
 struct Depsgraph;
 struct EditBone;
-struct GPUFX;
-struct GPUFXSettings;
 struct GPUOffScreen;
 struct GPUViewport;
 struct ID;
@@ -58,7 +56,6 @@ struct View3D;
 struct View3DShading;
 struct ViewContext;
 struct ViewLayer;
-struct WorkSpace;
 struct bContext;
 struct bPoseChannel;
 struct bScreen;

source/blender/editors/include/UI_interface.h

@@ -31,7 +31,6 @@
 /* Struct Declarations */
 
 struct ARegion;
-struct ARegionType;
 struct AutoComplete;
 struct ID;
 struct IDProperty;

source/blender/editors/physics/physics_intern.h

@@ -30,7 +30,6 @@ struct PTCacheEdit;
 struct ParticleSystem;
 struct PointCache;
 struct Scene;
-struct ViewLayer;
 struct wmOperatorType;
 
 /* particle_edit.c */