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-rw-r--r--intern/cycles/render/mesh.h642
1 files changed, 325 insertions, 317 deletions
diff --git a/intern/cycles/render/mesh.h b/intern/cycles/render/mesh.h
index 789d1cc2b54..05c67ccb3b7 100644
--- a/intern/cycles/render/mesh.h
+++ b/intern/cycles/render/mesh.h
@@ -50,344 +50,352 @@ struct PackedPatchTable;
/* Mesh */
class Mesh : public Node {
-public:
- NODE_DECLARE
-
- /* Mesh Triangle */
- struct Triangle {
- int v[3];
-
- void bounds_grow(const float3 *verts, BoundBox& bounds) const;
-
- void motion_verts(const float3 *verts,
- const float3 *vert_steps,
- size_t num_verts,
- size_t num_steps,
- float time,
- float3 r_verts[3]) const;
-
- void verts_for_step(const float3 *verts,
- const float3 *vert_steps,
- size_t num_verts,
- size_t num_steps,
- size_t step,
- float3 r_verts[3]) const;
-
- float3 compute_normal(const float3 *verts) const;
-
- bool valid(const float3 *verts) const;
- };
-
- Triangle get_triangle(size_t i) const
- {
- Triangle tri = {{triangles[i*3 + 0],
- triangles[i*3 + 1],
- triangles[i*3 + 2]}};
- return tri;
- }
-
- size_t num_triangles() const
- {
- return triangles.size() / 3;
- }
-
- /* Mesh Curve */
- struct Curve {
- int first_key;
- int num_keys;
-
- int num_segments() { return num_keys - 1; }
-
- void bounds_grow(const int k,
- const float3 *curve_keys,
- const float *curve_radius,
- BoundBox& bounds) const;
- void bounds_grow(float4 keys[4], BoundBox& bounds) const;
- void bounds_grow(const int k,
- const float3 *curve_keys,
- const float *curve_radius,
- const Transform& aligned_space,
- BoundBox& bounds) const;
-
- void motion_keys(const float3 *curve_keys,
- const float *curve_radius,
- const float3 *key_steps,
- size_t num_curve_keys,
- size_t num_steps,
- float time,
- size_t k0, size_t k1,
- float4 r_keys[2]) const;
- void cardinal_motion_keys(const float3 *curve_keys,
- const float *curve_radius,
- const float3 *key_steps,
- size_t num_curve_keys,
- size_t num_steps,
- float time,
- size_t k0, size_t k1,
- size_t k2, size_t k3,
- float4 r_keys[4]) const;
-
- void keys_for_step(const float3 *curve_keys,
- const float *curve_radius,
- const float3 *key_steps,
- size_t num_curve_keys,
- size_t num_steps,
- size_t step,
- size_t k0, size_t k1,
- float4 r_keys[2]) const;
- void cardinal_keys_for_step(const float3 *curve_keys,
- const float *curve_radius,
- const float3 *key_steps,
- size_t num_curve_keys,
- size_t num_steps,
- size_t step,
- size_t k0, size_t k1,
- size_t k2, size_t k3,
- float4 r_keys[4]) const;
- };
-
- Curve get_curve(size_t i) const
- {
- int first = curve_first_key[i];
- int next_first = (i+1 < curve_first_key.size()) ? curve_first_key[i+1] : curve_keys.size();
-
- Curve curve = {first, next_first - first};
- return curve;
- }
-
- size_t num_curves() const
- {
- return curve_first_key.size();
- }
-
- /* Mesh SubdFace */
- struct SubdFace {
- int start_corner;
- int num_corners;
- int shader;
- bool smooth;
- int ptex_offset;
-
- bool is_quad() { return num_corners == 4; }
- float3 normal(const Mesh *mesh) const;
- int num_ptex_faces() const { return num_corners == 4 ? 1 : num_corners; }
- };
-
- struct SubdEdgeCrease {
- int v[2];
- float crease;
- };
-
- enum SubdivisionType {
- SUBDIVISION_NONE,
- SUBDIVISION_LINEAR,
- SUBDIVISION_CATMULL_CLARK,
- };
-
- SubdivisionType subdivision_type;
-
- /* Mesh Data */
- enum GeometryFlags {
- GEOMETRY_NONE = 0,
- GEOMETRY_TRIANGLES = (1 << 0),
- GEOMETRY_CURVES = (1 << 1),
- };
- int geometry_flags; /* used to distinguish meshes with no verts
- and meshed for which geometry is not created */
-
- array<int> triangles;
- array<float3> verts;
- array<int> shader;
- array<bool> smooth;
-
- /* used for storing patch info for subd triangles, only allocated if there are patches */
- array<int> triangle_patch; /* must be < 0 for non subd triangles */
- array<float2> vert_patch_uv;
-
- float volume_isovalue;
- bool has_volume; /* Set in the device_update_flags(). */
- bool has_surface_bssrdf; /* Set in the device_update_flags(). */
-
- array<float3> curve_keys;
- array<float> curve_radius;
- array<int> curve_first_key;
- array<int> curve_shader;
-
- array<SubdFace> subd_faces;
- array<int> subd_face_corners;
- int num_ngons;
-
- array<SubdEdgeCrease> subd_creases;
-
- SubdParams *subd_params;
-
- vector<Shader*> used_shaders;
- AttributeSet attributes;
- AttributeSet curve_attributes;
- AttributeSet subd_attributes;
-
- BoundBox bounds;
- bool transform_applied;
- bool transform_negative_scaled;
- Transform transform_normal;
-
- PackedPatchTable *patch_table;
-
- uint motion_steps;
- bool use_motion_blur;
-
- /* Update Flags */
- bool need_update;
- bool need_update_rebuild;
-
- /* BVH */
- BVH *bvh;
- size_t tri_offset;
- size_t vert_offset;
-
- size_t curve_offset;
- size_t curvekey_offset;
-
- size_t patch_offset;
- size_t patch_table_offset;
- size_t face_offset;
- size_t corner_offset;
-
- size_t attr_map_offset;
-
- size_t num_subd_verts;
-
- /* Functions */
- Mesh();
- ~Mesh();
-
- void resize_mesh(int numverts, int numfaces);
- void reserve_mesh(int numverts, int numfaces);
- void resize_curves(int numcurves, int numkeys);
- void reserve_curves(int numcurves, int numkeys);
- void resize_subd_faces(int numfaces, int num_ngons, int numcorners);
- void reserve_subd_faces(int numfaces, int num_ngons, int numcorners);
- void clear(bool preserve_voxel_data = false);
- void add_vertex(float3 P);
- void add_vertex_slow(float3 P);
- void add_triangle(int v0, int v1, int v2, int shader, bool smooth);
- void add_curve_key(float3 loc, float radius);
- void add_curve(int first_key, int shader);
- void add_subd_face(int* corners, int num_corners, int shader_, bool smooth_);
-
- void compute_bounds();
- void add_face_normals();
- void add_vertex_normals();
- void add_undisplaced();
-
- void pack_shaders(Scene *scene, uint *shader);
- void pack_normals(float4 *vnormal);
- void pack_verts(const vector<uint>& tri_prim_index,
- uint4 *tri_vindex,
- uint *tri_patch,
- float2 *tri_patch_uv,
- size_t vert_offset,
- size_t tri_offset);
- void pack_curves(Scene *scene, float4 *curve_key_co, float4 *curve_data, size_t curvekey_offset);
- void pack_patches(uint *patch_data, uint vert_offset, uint face_offset, uint corner_offset);
-
- void compute_bvh(Device *device,
- DeviceScene *dscene,
- SceneParams *params,
- Progress *progress,
- int n,
- int total);
-
- bool need_attribute(Scene *scene, AttributeStandard std);
- bool need_attribute(Scene *scene, ustring name);
-
- void tag_update(Scene *scene, bool rebuild);
-
- bool has_motion_blur() const;
- bool has_true_displacement() const;
-
- /* Convert between normalized -1..1 motion time and index
- * in the VERTEX_MOTION attribute. */
- float motion_time(int step) const;
- int motion_step(float time) const;
-
- /* Check whether the mesh should have own BVH built separately. Briefly,
- * own BVH is needed for mesh, if:
- *
- * - It is instanced multiple times, so each instance object should share the
- * same BVH tree.
- * - Special ray intersection is needed, for example to limit subsurface rays
- * to only the mesh itself.
- */
- bool need_build_bvh() const;
-
- /* Check if the mesh should be treated as instanced. */
- bool is_instanced() const;
-
- void tessellate(DiagSplit *split);
+ public:
+ NODE_DECLARE
+
+ /* Mesh Triangle */
+ struct Triangle {
+ int v[3];
+
+ void bounds_grow(const float3 *verts, BoundBox &bounds) const;
+
+ void motion_verts(const float3 *verts,
+ const float3 *vert_steps,
+ size_t num_verts,
+ size_t num_steps,
+ float time,
+ float3 r_verts[3]) const;
+
+ void verts_for_step(const float3 *verts,
+ const float3 *vert_steps,
+ size_t num_verts,
+ size_t num_steps,
+ size_t step,
+ float3 r_verts[3]) const;
+
+ float3 compute_normal(const float3 *verts) const;
+
+ bool valid(const float3 *verts) const;
+ };
+
+ Triangle get_triangle(size_t i) const
+ {
+ Triangle tri = {{triangles[i * 3 + 0], triangles[i * 3 + 1], triangles[i * 3 + 2]}};
+ return tri;
+ }
+
+ size_t num_triangles() const
+ {
+ return triangles.size() / 3;
+ }
+
+ /* Mesh Curve */
+ struct Curve {
+ int first_key;
+ int num_keys;
+
+ int num_segments()
+ {
+ return num_keys - 1;
+ }
+
+ void bounds_grow(const int k,
+ const float3 *curve_keys,
+ const float *curve_radius,
+ BoundBox &bounds) const;
+ void bounds_grow(float4 keys[4], BoundBox &bounds) const;
+ void bounds_grow(const int k,
+ const float3 *curve_keys,
+ const float *curve_radius,
+ const Transform &aligned_space,
+ BoundBox &bounds) const;
+
+ void motion_keys(const float3 *curve_keys,
+ const float *curve_radius,
+ const float3 *key_steps,
+ size_t num_curve_keys,
+ size_t num_steps,
+ float time,
+ size_t k0,
+ size_t k1,
+ float4 r_keys[2]) const;
+ void cardinal_motion_keys(const float3 *curve_keys,
+ const float *curve_radius,
+ const float3 *key_steps,
+ size_t num_curve_keys,
+ size_t num_steps,
+ float time,
+ size_t k0,
+ size_t k1,
+ size_t k2,
+ size_t k3,
+ float4 r_keys[4]) const;
+
+ void keys_for_step(const float3 *curve_keys,
+ const float *curve_radius,
+ const float3 *key_steps,
+ size_t num_curve_keys,
+ size_t num_steps,
+ size_t step,
+ size_t k0,
+ size_t k1,
+ float4 r_keys[2]) const;
+ void cardinal_keys_for_step(const float3 *curve_keys,
+ const float *curve_radius,
+ const float3 *key_steps,
+ size_t num_curve_keys,
+ size_t num_steps,
+ size_t step,
+ size_t k0,
+ size_t k1,
+ size_t k2,
+ size_t k3,
+ float4 r_keys[4]) const;
+ };
+
+ Curve get_curve(size_t i) const
+ {
+ int first = curve_first_key[i];
+ int next_first = (i + 1 < curve_first_key.size()) ? curve_first_key[i + 1] : curve_keys.size();
+
+ Curve curve = {first, next_first - first};
+ return curve;
+ }
+
+ size_t num_curves() const
+ {
+ return curve_first_key.size();
+ }
+
+ /* Mesh SubdFace */
+ struct SubdFace {
+ int start_corner;
+ int num_corners;
+ int shader;
+ bool smooth;
+ int ptex_offset;
+
+ bool is_quad()
+ {
+ return num_corners == 4;
+ }
+ float3 normal(const Mesh *mesh) const;
+ int num_ptex_faces() const
+ {
+ return num_corners == 4 ? 1 : num_corners;
+ }
+ };
+
+ struct SubdEdgeCrease {
+ int v[2];
+ float crease;
+ };
+
+ enum SubdivisionType {
+ SUBDIVISION_NONE,
+ SUBDIVISION_LINEAR,
+ SUBDIVISION_CATMULL_CLARK,
+ };
+
+ SubdivisionType subdivision_type;
+
+ /* Mesh Data */
+ enum GeometryFlags {
+ GEOMETRY_NONE = 0,
+ GEOMETRY_TRIANGLES = (1 << 0),
+ GEOMETRY_CURVES = (1 << 1),
+ };
+ int geometry_flags; /* used to distinguish meshes with no verts
+ and meshed for which geometry is not created */
+
+ array<int> triangles;
+ array<float3> verts;
+ array<int> shader;
+ array<bool> smooth;
+
+ /* used for storing patch info for subd triangles, only allocated if there are patches */
+ array<int> triangle_patch; /* must be < 0 for non subd triangles */
+ array<float2> vert_patch_uv;
+
+ float volume_isovalue;
+ bool has_volume; /* Set in the device_update_flags(). */
+ bool has_surface_bssrdf; /* Set in the device_update_flags(). */
+
+ array<float3> curve_keys;
+ array<float> curve_radius;
+ array<int> curve_first_key;
+ array<int> curve_shader;
+
+ array<SubdFace> subd_faces;
+ array<int> subd_face_corners;
+ int num_ngons;
+
+ array<SubdEdgeCrease> subd_creases;
+
+ SubdParams *subd_params;
+
+ vector<Shader *> used_shaders;
+ AttributeSet attributes;
+ AttributeSet curve_attributes;
+ AttributeSet subd_attributes;
+
+ BoundBox bounds;
+ bool transform_applied;
+ bool transform_negative_scaled;
+ Transform transform_normal;
+
+ PackedPatchTable *patch_table;
+
+ uint motion_steps;
+ bool use_motion_blur;
+
+ /* Update Flags */
+ bool need_update;
+ bool need_update_rebuild;
+
+ /* BVH */
+ BVH *bvh;
+ size_t tri_offset;
+ size_t vert_offset;
+
+ size_t curve_offset;
+ size_t curvekey_offset;
+
+ size_t patch_offset;
+ size_t patch_table_offset;
+ size_t face_offset;
+ size_t corner_offset;
+
+ size_t attr_map_offset;
+
+ size_t num_subd_verts;
+
+ /* Functions */
+ Mesh();
+ ~Mesh();
+
+ void resize_mesh(int numverts, int numfaces);
+ void reserve_mesh(int numverts, int numfaces);
+ void resize_curves(int numcurves, int numkeys);
+ void reserve_curves(int numcurves, int numkeys);
+ void resize_subd_faces(int numfaces, int num_ngons, int numcorners);
+ void reserve_subd_faces(int numfaces, int num_ngons, int numcorners);
+ void clear(bool preserve_voxel_data = false);
+ void add_vertex(float3 P);
+ void add_vertex_slow(float3 P);
+ void add_triangle(int v0, int v1, int v2, int shader, bool smooth);
+ void add_curve_key(float3 loc, float radius);
+ void add_curve(int first_key, int shader);
+ void add_subd_face(int *corners, int num_corners, int shader_, bool smooth_);
+
+ void compute_bounds();
+ void add_face_normals();
+ void add_vertex_normals();
+ void add_undisplaced();
+
+ void pack_shaders(Scene *scene, uint *shader);
+ void pack_normals(float4 *vnormal);
+ void pack_verts(const vector<uint> &tri_prim_index,
+ uint4 *tri_vindex,
+ uint *tri_patch,
+ float2 *tri_patch_uv,
+ size_t vert_offset,
+ size_t tri_offset);
+ void pack_curves(Scene *scene, float4 *curve_key_co, float4 *curve_data, size_t curvekey_offset);
+ void pack_patches(uint *patch_data, uint vert_offset, uint face_offset, uint corner_offset);
+
+ void compute_bvh(Device *device,
+ DeviceScene *dscene,
+ SceneParams *params,
+ Progress *progress,
+ int n,
+ int total);
+
+ bool need_attribute(Scene *scene, AttributeStandard std);
+ bool need_attribute(Scene *scene, ustring name);
+
+ void tag_update(Scene *scene, bool rebuild);
+
+ bool has_motion_blur() const;
+ bool has_true_displacement() const;
+
+ /* Convert between normalized -1..1 motion time and index
+ * in the VERTEX_MOTION attribute. */
+ float motion_time(int step) const;
+ int motion_step(float time) const;
+
+ /* Check whether the mesh should have own BVH built separately. Briefly,
+ * own BVH is needed for mesh, if:
+ *
+ * - It is instanced multiple times, so each instance object should share the
+ * same BVH tree.
+ * - Special ray intersection is needed, for example to limit subsurface rays
+ * to only the mesh itself.
+ */
+ bool need_build_bvh() const;
+
+ /* Check if the mesh should be treated as instanced. */
+ bool is_instanced() const;
+
+ void tessellate(DiagSplit *split);
};
/* Mesh Manager */
class MeshManager {
-public:
- bool need_update;
- bool need_flags_update;
+ public:
+ bool need_update;
+ bool need_flags_update;
- MeshManager();
- ~MeshManager();
+ MeshManager();
+ ~MeshManager();
- bool displace(Device *device, DeviceScene *dscene, Scene *scene, Mesh *mesh, Progress& progress);
+ bool displace(Device *device, DeviceScene *dscene, Scene *scene, Mesh *mesh, Progress &progress);
- /* attributes */
- void update_osl_attributes(Device *device, Scene *scene, vector<AttributeRequestSet>& mesh_attributes);
- void update_svm_attributes(Device *device, DeviceScene *dscene, Scene *scene, vector<AttributeRequestSet>& mesh_attributes);
+ /* attributes */
+ void update_osl_attributes(Device *device,
+ Scene *scene,
+ vector<AttributeRequestSet> &mesh_attributes);
+ void update_svm_attributes(Device *device,
+ DeviceScene *dscene,
+ Scene *scene,
+ vector<AttributeRequestSet> &mesh_attributes);
- void device_update_preprocess(Device *device, Scene *scene, Progress& progress);
- void device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress);
+ void device_update_preprocess(Device *device, Scene *scene, Progress &progress);
+ void device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress &progress);
- void device_free(Device *device, DeviceScene *dscene);
+ void device_free(Device *device, DeviceScene *dscene);
- void tag_update(Scene *scene);
+ void tag_update(Scene *scene);
- void create_volume_mesh(Scene *scene, Mesh *mesh, Progress &progress);
+ void create_volume_mesh(Scene *scene, Mesh *mesh, Progress &progress);
- void collect_statistics(const Scene *scene, RenderStats *stats);
+ void collect_statistics(const Scene *scene, RenderStats *stats);
-protected:
- /* Calculate verts/triangles/curves offsets in global arrays. */
- void mesh_calc_offset(Scene *scene);
+ protected:
+ /* Calculate verts/triangles/curves offsets in global arrays. */
+ void mesh_calc_offset(Scene *scene);
- void device_update_object(Device *device,
- DeviceScene *dscene,
- Scene *scene,
- Progress& progress);
+ void device_update_object(Device *device, DeviceScene *dscene, Scene *scene, Progress &progress);
- void device_update_mesh(Device *device,
- DeviceScene *dscene,
- Scene *scene,
- bool for_displacement,
- Progress& progress);
+ void device_update_mesh(Device *device,
+ DeviceScene *dscene,
+ Scene *scene,
+ bool for_displacement,
+ Progress &progress);
- void device_update_attributes(Device *device,
- DeviceScene *dscene,
- Scene *scene,
- Progress& progress);
+ void device_update_attributes(Device *device,
+ DeviceScene *dscene,
+ Scene *scene,
+ Progress &progress);
- void device_update_bvh(Device *device,
- DeviceScene *dscene,
- Scene *scene,
- Progress& progress);
+ void device_update_bvh(Device *device, DeviceScene *dscene, Scene *scene, Progress &progress);
- void device_update_displacement_images(Device *device,
- Scene *scene,
- Progress& progress);
+ void device_update_displacement_images(Device *device, Scene *scene, Progress &progress);
- void device_update_volume_images(Device *device,
- Scene *scene,
- Progress& progress);
+ void device_update_volume_images(Device *device, Scene *scene, Progress &progress);
};
CCL_NAMESPACE_END
-#endif /* __MESH_H__ */
+#endif /* __MESH_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 01:24:45 +0300