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path: root/source/blender/draw/intern/draw_cache_impl_metaball.c
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Diffstat (limited to 'source/blender/draw/intern/draw_cache_impl_metaball.c')
-rw-r--r--source/blender/draw/intern/draw_cache_impl_metaball.c294
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diff --git a/source/blender/draw/intern/draw_cache_impl_metaball.c b/source/blender/draw/intern/draw_cache_impl_metaball.c
deleted file mode 100644
index 1408dc91069..00000000000
--- a/source/blender/draw/intern/draw_cache_impl_metaball.c
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@@ -1,294 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later
- * Copyright 2017 Blender Foundation. All rights reserved. */
-
-/** \file
- * \ingroup draw
- *
- * \brief MetaBall API for render engines
- */
-
-#include "MEM_guardedalloc.h"
-
-#include "BLI_math_base.h"
-#include "BLI_utildefines.h"
-
-#include "DNA_meta_types.h"
-#include "DNA_object_types.h"
-
-#include "BKE_curve.h"
-#include "BKE_mball.h"
-
-#include "GPU_batch.h"
-
-#include "DRW_render.h"
-#include "draw_cache_impl.h" /* own include */
-
-static void metaball_batch_cache_clear(MetaBall *mb);
-
-/* -------------------------------------------------------------------- */
-/** \name MetaBall GPUBatch Cache
- * \{ */
-
-typedef struct MetaBallBatchCache {
- GPUBatch *batch;
- GPUBatch **shaded_triangles;
-
- int mat_len;
-
- /* Shared */
- GPUVertBuf *pos_nor_in_order;
-
- /* Wireframe */
- struct {
- GPUBatch *batch;
- } face_wire;
-
- /* Edge detection */
- GPUBatch *edge_detection;
- GPUIndexBuf *edges_adj_lines;
-
- /* settings to determine if cache is invalid */
- bool is_dirty;
-
- /* Valid only if edge_detection is up to date. */
- bool is_manifold;
-} MetaBallBatchCache;
-
-/* GPUBatch cache management. */
-
-static bool metaball_batch_cache_valid(MetaBall *mb)
-{
- MetaBallBatchCache *cache = mb->batch_cache;
-
- if (cache == NULL) {
- return false;
- }
-
- return cache->is_dirty == false;
-}
-
-static void metaball_batch_cache_init(MetaBall *mb)
-{
- MetaBallBatchCache *cache = mb->batch_cache;
-
- if (!cache) {
- cache = mb->batch_cache = MEM_mallocN(sizeof(*cache), __func__);
- }
- cache->batch = NULL;
- cache->mat_len = 0;
- cache->shaded_triangles = NULL;
- cache->is_dirty = false;
- cache->pos_nor_in_order = NULL;
- cache->face_wire.batch = NULL;
- cache->edge_detection = NULL;
- cache->edges_adj_lines = NULL;
- cache->is_manifold = false;
-}
-
-void DRW_mball_batch_cache_validate(MetaBall *mb)
-{
- if (!metaball_batch_cache_valid(mb)) {
- metaball_batch_cache_clear(mb);
- metaball_batch_cache_init(mb);
- }
-}
-
-static MetaBallBatchCache *metaball_batch_cache_get(MetaBall *mb)
-{
- return mb->batch_cache;
-}
-
-void DRW_mball_batch_cache_dirty_tag(MetaBall *mb, int mode)
-{
- MetaBallBatchCache *cache = mb->batch_cache;
- if (cache == NULL) {
- return;
- }
- switch (mode) {
- case BKE_MBALL_BATCH_DIRTY_ALL:
- cache->is_dirty = true;
- break;
- default:
- BLI_assert(0);
- }
-}
-
-static void metaball_batch_cache_clear(MetaBall *mb)
-{
- MetaBallBatchCache *cache = mb->batch_cache;
- if (!cache) {
- return;
- }
-
- GPU_BATCH_DISCARD_SAFE(cache->face_wire.batch);
- GPU_BATCH_DISCARD_SAFE(cache->batch);
- GPU_BATCH_DISCARD_SAFE(cache->edge_detection);
- GPU_VERTBUF_DISCARD_SAFE(cache->pos_nor_in_order);
- GPU_INDEXBUF_DISCARD_SAFE(cache->edges_adj_lines);
- /* NOTE: shaded_triangles[0] is already freed by `cache->batch`. */
- MEM_SAFE_FREE(cache->shaded_triangles);
- cache->mat_len = 0;
- cache->is_manifold = false;
-}
-
-void DRW_mball_batch_cache_free(MetaBall *mb)
-{
- metaball_batch_cache_clear(mb);
- MEM_SAFE_FREE(mb->batch_cache);
-}
-
-static GPUVertBuf *mball_batch_cache_get_pos_and_normals(Object *ob,
- MetaBallBatchCache *cache,
- const struct Scene *scene)
-{
- if (cache->pos_nor_in_order == NULL) {
- ListBase *lb = &ob->runtime.curve_cache->disp;
- cache->pos_nor_in_order = GPU_vertbuf_calloc();
- DRW_displist_vertbuf_create_pos_and_nor(lb, cache->pos_nor_in_order, scene);
- }
- return cache->pos_nor_in_order;
-}
-
-static GPUIndexBuf *mball_batch_cache_get_edges_adj_lines(Object *ob, MetaBallBatchCache *cache)
-{
- if (cache->edges_adj_lines == NULL) {
- ListBase *lb = &ob->runtime.curve_cache->disp;
- cache->edges_adj_lines = GPU_indexbuf_calloc();
- DRW_displist_indexbuf_create_edges_adjacency_lines(
- lb, cache->edges_adj_lines, &cache->is_manifold);
- }
- return cache->edges_adj_lines;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Public Object/MetaBall API
- * \{ */
-
-GPUBatch *DRW_metaball_batch_cache_get_triangles_with_normals(Object *ob)
-{
- if (!BKE_mball_is_basis(ob)) {
- return NULL;
- }
-
- MetaBall *mb = ob->data;
- MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
- const DRWContextState *draw_ctx = DRW_context_state_get();
- const struct Scene *scene = draw_ctx->scene;
-
- if (cache->batch == NULL) {
- ListBase *lb = &ob->runtime.curve_cache->disp;
- GPUIndexBuf *ibo = GPU_indexbuf_calloc();
- DRW_displist_indexbuf_create_triangles_in_order(lb, ibo);
- cache->batch = GPU_batch_create_ex(GPU_PRIM_TRIS,
- mball_batch_cache_get_pos_and_normals(ob, cache, scene),
- ibo,
- GPU_BATCH_OWNS_INDEX);
- }
-
- return cache->batch;
-}
-
-GPUBatch **DRW_metaball_batch_cache_get_surface_shaded(Object *ob,
- MetaBall *mb,
- struct GPUMaterial **UNUSED(gpumat_array),
- uint gpumat_array_len)
-{
- if (!BKE_mball_is_basis(ob)) {
- return NULL;
- }
-
- BLI_assert(gpumat_array_len == DRW_metaball_material_count_get(mb));
-
- MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
- if (cache->shaded_triangles == NULL) {
- cache->mat_len = gpumat_array_len;
- cache->shaded_triangles = MEM_callocN(sizeof(*cache->shaded_triangles) * cache->mat_len,
- __func__);
- cache->shaded_triangles[0] = DRW_metaball_batch_cache_get_triangles_with_normals(ob);
- for (int i = 1; i < cache->mat_len; i++) {
- cache->shaded_triangles[i] = NULL;
- }
- }
- return cache->shaded_triangles;
-}
-
-GPUBatch *DRW_metaball_batch_cache_get_wireframes_face(Object *ob)
-{
- if (!BKE_mball_is_basis(ob)) {
- return NULL;
- }
-
- MetaBall *mb = ob->data;
- MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
- const DRWContextState *draw_ctx = DRW_context_state_get();
- const struct Scene *scene = draw_ctx->scene;
-
- if (cache->face_wire.batch == NULL) {
- ListBase *lb = &ob->runtime.curve_cache->disp;
-
- GPUVertBuf *vbo_wiredata = GPU_vertbuf_calloc();
- DRW_displist_vertbuf_create_wiredata(lb, vbo_wiredata);
-
- GPUIndexBuf *ibo = GPU_indexbuf_calloc();
- DRW_displist_indexbuf_create_lines_in_order(lb, ibo);
-
- cache->face_wire.batch = GPU_batch_create_ex(
- GPU_PRIM_LINES,
- mball_batch_cache_get_pos_and_normals(ob, cache, scene),
- ibo,
- GPU_BATCH_OWNS_INDEX);
-
- GPU_batch_vertbuf_add_ex(cache->face_wire.batch, vbo_wiredata, true);
- }
-
- return cache->face_wire.batch;
-}
-
-struct GPUBatch *DRW_metaball_batch_cache_get_edge_detection(struct Object *ob,
- bool *r_is_manifold)
-{
- if (!BKE_mball_is_basis(ob)) {
- return NULL;
- }
-
- MetaBall *mb = ob->data;
- MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
- const DRWContextState *draw_ctx = DRW_context_state_get();
- const struct Scene *scene = draw_ctx->scene;
-
- if (cache->edge_detection == NULL) {
- cache->edge_detection = GPU_batch_create(
- GPU_PRIM_LINES_ADJ,
- mball_batch_cache_get_pos_and_normals(ob, cache, scene),
- mball_batch_cache_get_edges_adj_lines(ob, cache));
- }
-
- if (r_is_manifold) {
- *r_is_manifold = cache->is_manifold;
- }
-
- return cache->edge_detection;
-}
-
-struct GPUVertBuf *DRW_mball_batch_cache_pos_vertbuf_get(Object *ob)
-{
- if (!BKE_mball_is_basis(ob)) {
- return NULL;
- }
-
- MetaBall *mb = ob->data;
- MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
- const DRWContextState *draw_ctx = DRW_context_state_get();
- const struct Scene *scene = draw_ctx->scene;
-
- return mball_batch_cache_get_pos_and_normals(ob, cache, scene);
-}
-
-int DRW_metaball_material_count_get(MetaBall *mb)
-{
- return max_ii(1, mb->totcol);
-}
-
-/** \} */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 04:35:22 +0300