diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/xatlas_unwrap/register_types.cpp | 138 |
1 files changed, 128 insertions, 10 deletions
diff --git a/modules/xatlas_unwrap/register_types.cpp b/modules/xatlas_unwrap/register_types.cpp index e293dfd50c..8c5525bed3 100644 --- a/modules/xatlas_unwrap/register_types.cpp +++ b/modules/xatlas_unwrap/register_types.cpp @@ -32,14 +32,91 @@ #include "core/error_macros.h" +#include "core/crypto/crypto_core.h" + #include "thirdparty/xatlas/xatlas.h" #include <stdio.h> #include <stdlib.h> -extern bool (*array_mesh_lightmap_unwrap_callback)(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, const int *p_face_materials, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y); +extern bool (*array_mesh_lightmap_unwrap_callback)(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y, int *&r_cache_data, unsigned int &r_cache_size, bool &r_used_cache); + +bool xatlas_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, int p_index_count, float **r_uvs, int **r_vertices, int *r_vertex_count, int **r_indices, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y, int *&r_cache_data, unsigned int &r_cache_size, bool &r_used_cache) { + + CryptoCore::MD5Context ctx; + ctx.start(); + + ctx.update((unsigned char *)&p_texel_size, sizeof(float)); + ctx.update((unsigned char *)p_indices, sizeof(int) * p_index_count); + ctx.update((unsigned char *)p_vertices, sizeof(float) * p_vertex_count); + ctx.update((unsigned char *)p_normals, sizeof(float) * p_vertex_count); + + unsigned char hash[16]; + ctx.finish(hash); + + bool cached = false; + unsigned int cache_idx = 0; + + if (r_used_cache && r_cache_size) { + //Check if hash is in cache data + + int *cache_data = r_cache_data; + int n_entries = cache_data[0]; + unsigned int r_idx = 1; + for (int i = 0; i < n_entries; ++i) { + if (memcmp(&cache_data[r_idx], hash, 16) == 0) { + cached = true; + cache_idx = r_idx; + break; + } + + r_idx += 4; // hash + r_idx += 2; // size hint + + int vertex_count = cache_data[r_idx]; + r_idx += 1; // vertex count + r_idx += vertex_count; // vertex + r_idx += vertex_count * 2; // uvs + + int index_count = cache_data[r_idx]; + r_idx += 1; // index count + r_idx += index_count; // indices + } + } -bool xatlas_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, const int *p_face_materials, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y) { + if (r_used_cache && cached) { + int *cache_data = r_cache_data; + + // Return cache data pointer to the caller + r_cache_data = &cache_data[cache_idx]; + + cache_idx += 4; + + // Load size + *r_size_hint_x = cache_data[cache_idx]; + *r_size_hint_y = cache_data[cache_idx + 1]; + cache_idx += 2; + + // Load vertices + *r_vertex_count = cache_data[cache_idx]; + cache_idx++; + *r_vertices = &cache_data[cache_idx]; + cache_idx += *r_vertex_count; + + // Load UVs + *r_uvs = (float *)&cache_data[cache_idx]; + cache_idx += *r_vertex_count * 2; + + // Load indices + *r_index_count = cache_data[cache_idx]; + cache_idx++; + *r_indices = &cache_data[cache_idx]; + + // Return cache data size to the caller + r_cache_size = sizeof(int) * (4 + 2 + 1 + *r_vertex_count + (*r_vertex_count * 2) + 1 + *r_index_count); // hash + size hint + vertex_count + vertices + uvs + index_count + indices + r_used_cache = true; + return true; + } //set up input mesh xatlas::MeshDecl input_mesh; @@ -82,16 +159,16 @@ bool xatlas_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_ver const xatlas::Mesh &output = atlas->meshes[0]; - *r_vertex = (int *)malloc(sizeof(int) * output.vertexCount); - *r_uv = (float *)malloc(sizeof(float) * output.vertexCount * 2); - *r_index = (int *)malloc(sizeof(int) * output.indexCount); + *r_vertices = (int *)malloc(sizeof(int) * output.vertexCount); + *r_uvs = (float *)malloc(sizeof(float) * output.vertexCount * 2); + *r_indices = (int *)malloc(sizeof(int) * output.indexCount); float max_x = 0; float max_y = 0; for (uint32_t i = 0; i < output.vertexCount; i++) { - (*r_vertex)[i] = output.vertexArray[i].xref; - (*r_uv)[i * 2 + 0] = output.vertexArray[i].uv[0] / w; - (*r_uv)[i * 2 + 1] = output.vertexArray[i].uv[1] / h; + (*r_vertices)[i] = output.vertexArray[i].xref; + (*r_uvs)[i * 2 + 0] = output.vertexArray[i].uv[0] / w; + (*r_uvs)[i * 2 + 1] = output.vertexArray[i].uv[1] / h; max_x = MAX(max_x, output.vertexArray[i].uv[0]); max_y = MAX(max_y, output.vertexArray[i].uv[1]); } @@ -100,13 +177,54 @@ bool xatlas_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_ver *r_vertex_count = output.vertexCount; for (uint32_t i = 0; i < output.indexCount; i++) { - (*r_index)[i] = output.indexArray[i]; + (*r_indices)[i] = output.indexArray[i]; } *r_index_count = output.indexCount; xatlas::Destroy(atlas); - printf("Done\n"); + + if (r_used_cache) { + unsigned int new_cache_size = 4 + 2 + 1 + *r_vertex_count + (*r_vertex_count * 2) + 1 + *r_index_count; // hash + size hint + vertex_count + vertices + uvs + index_count + indices + new_cache_size *= sizeof(int); + int *new_cache_data = (int *)memalloc(new_cache_size); + unsigned int new_cache_idx = 0; + + // hash + memcpy(&new_cache_data[new_cache_idx], hash, 16); + new_cache_idx += 4; + + // size hint + new_cache_data[new_cache_idx] = *r_size_hint_x; + new_cache_data[new_cache_idx + 1] = *r_size_hint_y; + new_cache_idx += 2; + + // vertex count + new_cache_data[new_cache_idx] = *r_vertex_count; + new_cache_idx++; + + // vertices + memcpy(&new_cache_data[new_cache_idx], *r_vertices, sizeof(int) * *r_vertex_count); + new_cache_idx += *r_vertex_count; + + // uvs + memcpy(&new_cache_data[new_cache_idx], *r_uvs, sizeof(float) * *r_vertex_count * 2); + new_cache_idx += *r_vertex_count * 2; + + // index count + new_cache_data[new_cache_idx] = *r_index_count; + new_cache_idx++; + + // indices + memcpy(&new_cache_data[new_cache_idx], *r_indices, sizeof(int) * *r_index_count); + new_cache_idx += *r_index_count; + + // Return cache data to the caller + r_cache_data = new_cache_data; + r_cache_size = new_cache_size; + r_used_cache = false; + } + return true; } |