diff options
Diffstat (limited to 'source/blender/render/intern/source/bake_api.c')
| -rw-r--r-- | source/blender/render/intern/source/bake_api.c | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/source/blender/render/intern/source/bake_api.c b/source/blender/render/intern/source/bake_api.c index ecfb86c8d17..bc5db5b9862 100644 --- a/source/blender/render/intern/source/bake_api.c +++ b/source/blender/render/intern/source/bake_api.c @@ -30,10 +30,11 @@ * * The Bake API is fully implemented with Python rna functions. The operator expects/call a function: * - * ``def bake(scene, object, pass_type, pixel_array, num_pixels, depth, result)`` + * ``def bake(scene, object, pass_type, object_id, pixel_array, num_pixels, depth, result)`` * - scene: current scene (Python object) * - object: object to render (Python object) * - pass_type: pass to render (string, e.g., "COMBINED", "AO", "NORMAL", ...) + * - object_id: index of object to bake (to use with the pixel_array) * - pixel_array: list of primitive ids and barycentric coordinates to bake(Python object, see bake_pixel) * - num_pixels: size of pixel_array, number of pixels to bake (int) * - depth: depth of pixels to return (int, assuming always 4 now) @@ -47,7 +48,7 @@ * * \code{.c} * struct BakePixel { - * int primitive_id; + * int primitive_id, object_id; * float uv[2]; * float du_dx, du_dy; * float dv_dx, dv_dy; @@ -55,7 +56,7 @@ * \endcode * * In python you have access to: - * - ``primitive_id``, ``uv``, ``du_dx``, ``du_dy``, ``next`` + * - ``primitive_id``, ``object_id``, ``uv``, ``du_dx``, ``du_dy``, ``next`` * - ``next()`` is a function that returns the next #BakePixel in the array. * * \note Pixels that should not be baked have ``primitive_id == -1`` @@ -126,12 +127,16 @@ static void store_bake_pixel(void *handle, int x, int y, float u, float v) pixel = &bd->pixel_array[i]; pixel->primitive_id = bd->primitive_id; + /* At this point object_id is always 0, since this function runs for the + * lowpoly mesh only. The object_id lookup indices are set afterwards. */ + copy_v2_fl2(pixel->uv, u, v); pixel->du_dx = bd->du_dx; pixel->du_dy = bd->du_dy; pixel->dv_dx = bd->dv_dx; pixel->dv_dy = bd->dv_dy; + pixel->object_id = 0; } void RE_bake_mask_fill(const BakePixel pixel_array[], const size_t num_pixels, char *mask) @@ -271,7 +276,7 @@ static void calc_barycentric_from_point( * This function populates pixel_array and returns TRUE if things are correct */ static bool cast_ray_highpoly( - BVHTreeFromMesh *treeData, TriTessFace *triangles[], BakeHighPolyData *highpoly, + BVHTreeFromMesh *treeData, TriTessFace *triangles[], BakePixel *pixel_array, BakeHighPolyData *highpoly, const float co[3], const float dir[3], const int pixel_id, const int tot_highpoly, const float du_dx, const float du_dy, const float dv_dx, const float dv_dy) { @@ -295,7 +300,7 @@ static bool cast_ray_highpoly( mul_v3_m4v3(co_high, highpoly[i].imat, co); /* rotates */ - mul_v3_m4v3(dir_high, highpoly[i].rotmat, dir); + mul_v3_mat3_m4v3(dir_high, highpoly[i].imat, dir); normalize_v3(dir_high); /* cast ray */ @@ -322,22 +327,22 @@ static bool cast_ray_highpoly( } } - for (i = 0; i < tot_highpoly; i++) { - if (hit_mesh == i) { - calc_barycentric_from_point(triangles[i], hits[i].index, hits[i].co, &primitive_id, uv); - highpoly[i].pixel_array[pixel_id].primitive_id = primitive_id; - copy_v2_v2(highpoly[i].pixel_array[pixel_id].uv, uv); - - /* the differentials are relative to the UV/image space, so the highpoly differentials - * are the same as the low poly differentials */ - highpoly[i].pixel_array[pixel_id].du_dx = du_dx; - highpoly[i].pixel_array[pixel_id].du_dy = du_dy; - highpoly[i].pixel_array[pixel_id].dv_dx = dv_dx; - highpoly[i].pixel_array[pixel_id].dv_dy = dv_dy; - } - else { - highpoly[i].pixel_array[pixel_id].primitive_id = -1; - } + if (hit_mesh != -1) { + calc_barycentric_from_point(triangles[hit_mesh], hits[hit_mesh].index, hits[hit_mesh].co, &primitive_id, uv); + pixel_array[pixel_id].primitive_id = primitive_id; + pixel_array[pixel_id].object_id = hit_mesh; + copy_v2_v2(pixel_array[pixel_id].uv, uv); + + /* the differentials are relative to the UV/image space, so the highpoly differentials + * are the same as the low poly differentials */ + pixel_array[pixel_id].du_dx = du_dx; + pixel_array[pixel_id].du_dy = du_dy; + pixel_array[pixel_id].dv_dx = dv_dx; + pixel_array[pixel_id].dv_dy = dv_dy; + } + else { + pixel_array[pixel_id].primitive_id = -1; + pixel_array[pixel_id].object_id = -1; } MEM_freeN(hits); @@ -437,7 +442,7 @@ static void mesh_calc_tri_tessface( } bool RE_bake_pixels_populate_from_objects( - struct Mesh *me_low, BakePixel pixel_array_from[], + struct Mesh *me_low, BakePixel pixel_array_from[], BakePixel pixel_array_to[], BakeHighPolyData highpoly[], const int tot_highpoly, const size_t num_pixels, const bool is_custom_cage, const float cage_extrusion, float mat_low[4][4], float mat_cage[4][4], struct Mesh *me_cage) { @@ -508,10 +513,7 @@ bool RE_bake_pixels_populate_from_objects( primitive_id = pixel_array_from[i].primitive_id; if (primitive_id == -1) { - int j; - for (j = 0; j < tot_highpoly; j++) { - highpoly[j].pixel_array[i].primitive_id = -1; - } + pixel_array_to[i].primitive_id = -1; continue; } @@ -530,7 +532,7 @@ bool RE_bake_pixels_populate_from_objects( } /* cast ray */ - if (!cast_ray_highpoly(treeData, tris_high, highpoly, co, dir, i, tot_highpoly, + if (!cast_ray_highpoly(treeData, tris_high, pixel_array_to, highpoly, co, dir, i, tot_highpoly, pixel_array_from[i].du_dx, pixel_array_from[i].du_dy, pixel_array_from[i].dv_dx, pixel_array_from[i].dv_dy)) { /* if it fails mask out the original pixel array */ |