diff options
Diffstat (limited to 'intern/cycles/render/mesh.h')
| -rw-r--r-- | intern/cycles/render/mesh.h | 158 |
1 files changed, 136 insertions, 22 deletions
diff --git a/intern/cycles/render/mesh.h b/intern/cycles/render/mesh.h index 557b664bff3..c9ae9aab888 100644 --- a/intern/cycles/render/mesh.h +++ b/intern/cycles/render/mesh.h @@ -18,6 +18,7 @@ #define __MESH_H__ #include "attribute.h" +#include "node.h" #include "shader.h" #include "util_boundbox.h" @@ -42,8 +43,10 @@ class DiagSplit; /* Mesh */ -class Mesh { +class Mesh : public Node { public: + NODE_DECLARE; + /* Mesh Triangle */ struct Triangle { int v[3]; @@ -51,15 +54,60 @@ public: void bounds_grow(const float3 *verts, BoundBox& bounds) 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; - uint shader; int num_segments() { return num_keys - 1; } - void bounds_grow(const int k, const float4 *curve_keys, BoundBox& bounds) const; + void bounds_grow(const int k, + const float3 *curve_keys, + const float *curve_radius, + BoundBox& bounds) const; + void bounds_grow(const int k, + const float3 *curve_keys, + const float *curve_radius, + const Transform& aligned_space, + BoundBox& bounds) 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; } }; /* Displacement */ @@ -71,7 +119,13 @@ public: DISPLACE_NUM_METHODS, }; - ustring name; + enum SubdivisionType { + SUBDIVISION_NONE, + SUBDIVISION_LINEAR, + SUBDIVISION_CATMULL_CLARK, + }; + + SubdivisionType subdivision_type; /* Mesh Data */ enum GeometryFlags { @@ -82,21 +136,31 @@ public: int geometry_flags; /* used to distinguish meshes with no verts and meshed for which geometry is not created */ - vector<float3> verts; - vector<Triangle> triangles; - vector<uint> shader; - vector<bool> smooth; - vector<bool> forms_quad; /* used to tell if triangle is part of a quad patch */ + 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; bool has_volume; /* Set in the device_update_flags(). */ bool has_surface_bssrdf; /* Set in the device_update_flags(). */ - vector<float4> curve_keys; /* co + radius */ - vector<Curve> curves; + 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; vector<Shader*> used_shaders; AttributeSet attributes; AttributeSet curve_attributes; + AttributeSet subd_attributes; BoundBox bounds; bool transform_applied; @@ -119,16 +183,29 @@ public: size_t curve_offset; size_t curvekey_offset; + size_t patch_offset; + size_t face_offset; + size_t corner_offset; + + size_t num_subd_verts; + /* Functions */ Mesh(); ~Mesh(); - void reserve(int numverts, int numfaces, int numcurves, int numcurvekeys); + 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(); - void set_triangle(int i, int v0, int v1, int v2, int shader, bool smooth, bool forms_quad = false); - void add_triangle(int v0, int v1, int v2, int shader, bool smooth, bool forms_quad = 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 num_keys, int shader); + void add_curve(int first_key, int shader); + void add_subd_face(int* corners, int num_corners, int shader_, bool smooth_); int split_vertex(int vertex); void compute_bounds(); @@ -136,9 +213,20 @@ public: void add_vertex_normals(); void pack_normals(Scene *scene, uint *shader, float4 *vnormal); - void pack_verts(float4 *tri_verts, float4 *tri_vindex, size_t vert_offset); + 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 compute_bvh(SceneParams *params, Progress *progress, int n, int total); + void pack_patches(uint *patch_data, uint vert_offset, uint face_offset, uint corner_offset); + + void compute_bvh(DeviceScene *dscene, + SceneParams *params, + Progress *progress, + int n, + int total); bool need_attribute(Scene *scene, AttributeStandard std); bool need_attribute(Scene *scene, ustring name); @@ -182,15 +270,41 @@ public: void update_svm_attributes(Device *device, DeviceScene *dscene, Scene *scene, vector<AttributeRequestSet>& mesh_attributes); void device_update(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, 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_flags(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress); - void device_update_displacement_images(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress); + void device_free(Device *device, DeviceScene *dscene); void tag_update(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_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_bvh(Device *device, + DeviceScene *dscene, + Scene *scene, + Progress& progress); + + void device_update_displacement_images(Device *device, + DeviceScene *dscene, + Scene *scene, + Progress& progress); }; CCL_NAMESPACE_END |