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Differential D9136 Diff 30095 source/blender/draw/intern/draw_cache_extract_mesh.c

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source/blender/draw/intern/draw_cache_extract_mesh.c

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static void extract_tris_finish(const MeshRenderData *mr, static void extract_tris_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache, struct MeshBatchCache *cache,
void *ibo, void *ibo,
void *_data) void *_data)
{ {
MeshExtract_Tri_Data *data = _data; MeshExtract_Tri_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo); GPU_indexbuf_build_in_place(&data->elb, ibo);
/* HACK: Create ibo sub-ranges and assign them to each #GPUBatch. */ /* HACK: Create ibo sub-ranges and assign them to each #GPUBatch. */
/* The `surface_per_mat` tests are there when object shading type is set to Wire or Bounds. In /* The `surface_per_mat` tests are there when object shading type is set to Wire or Bounds. In
* these cases there isn't a surface per material. */ * these cases there isn't a surface per material. */
if (mr->use_final_mesh && cache->surface_per_mat && cache->surface_per_mat[0]) { if (mr->use_final_mesh && cache->surface_per_mat && cache->surface_per_mat[0]) {
MeshBufferCache *mbc = &cache->final;
for (int i = 0; i < mr->mat_len; i++) { for (int i = 0; i < mr->mat_len; i++) {
/* Multiply by 3 because these are triangle indices. */ /* Multiply by 3 because these are triangle indices. */
const int mat_start = data->tri_mat_start[i]; const int mat_start = data->tri_mat_start[i];
const int mat_end = data->tri_mat_end[i]; const int mat_end = data->tri_mat_end[i];
const int start = mat_start * 3; const int start = mat_start * 3;
const int len = (mat_end - mat_start) * 3; const int len = (mat_end - mat_start) * 3;
GPUIndexBuf *sub_ibo = GPU_indexbuf_create_subrange(ibo, start, len); GPU_indexbuf_create_subrange_in_place(mbc->tris_per_mat[i], ibo, start, len);
/* WARNING: We modify the #GPUBatch here! */
GPU_batch_elembuf_set(cache->surface_per_mat[i], sub_ibo, true);
} }
} }
MEM_freeN(data->tri_mat_start); MEM_freeN(data->tri_mat_start);
MEM_freeN(data->tri_mat_end); MEM_freeN(data->tri_mat_end);
MEM_freeN(data); MEM_freeN(data);
} }
static const MeshExtract extract_tris = { static const MeshExtract extract_tris = {
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