Differential D9022 Diff 29325 source/blender/draw/intern/draw_cache_impl_volume.c

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source/blender/draw/intern/draw_cache_impl_volume.c

Show First 20 Lines • Show All 56 Lines • ▼ Show 20 Lines	typedef struct VolumeBatchCache {
ListBase grids;		ListBase grids;

/* Wireframe */		/* Wireframe */
struct {		struct {
GPUVertBuf *pos_nor_in_order;		GPUVertBuf *pos_nor_in_order;
GPUBatch *batch;		GPUBatch *batch;
} face_wire;		} face_wire;

		/* Surface for selection */
		GPUBatch *selection_surface;

/* settings to determine if cache is invalid */		/* settings to determine if cache is invalid */
bool is_dirty;		bool is_dirty;
} VolumeBatchCache;		} VolumeBatchCache;

/* GPUBatch cache management. */		/* GPUBatch cache management. */

static bool volume_batch_cache_valid(Volume *volume)		static bool volume_batch_cache_valid(Volume *volume)
{		{
▲ Show 20 Lines • Show All 54 Lines • ▼ Show 20 Lines	static void volume_batch_cache_clear(Volume *volume)
LISTBASE_FOREACH (DRWVolumeGrid *, grid, &cache->grids) {		LISTBASE_FOREACH (DRWVolumeGrid *, grid, &cache->grids) {
MEM_SAFE_FREE(grid->name);		MEM_SAFE_FREE(grid->name);
DRW_TEXTURE_FREE_SAFE(grid->texture);		DRW_TEXTURE_FREE_SAFE(grid->texture);
}		}
BLI_freelistN(&cache->grids);		BLI_freelistN(&cache->grids);

GPU_VERTBUF_DISCARD_SAFE(cache->face_wire.pos_nor_in_order);		GPU_VERTBUF_DISCARD_SAFE(cache->face_wire.pos_nor_in_order);
GPU_BATCH_DISCARD_SAFE(cache->face_wire.batch);		GPU_BATCH_DISCARD_SAFE(cache->face_wire.batch);
		GPU_BATCH_DISCARD_SAFE(cache->selection_surface);
}		}

void DRW_volume_batch_cache_free(Volume *volume)		void DRW_volume_batch_cache_free(Volume *volume)
{		{
volume_batch_cache_clear(volume);		volume_batch_cache_clear(volume);
MEM_SAFE_FREE(volume->batch_cache);		MEM_SAFE_FREE(volume->batch_cache);
}		}

▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines	if (cache->face_wire.batch == NULL) {

/* Create wireframe from OpenVDB tree. */		/* Create wireframe from OpenVDB tree. */
BKE_volume_grid_wireframe(volume, volume_grid, drw_volume_wireframe_cb, volume);		BKE_volume_grid_wireframe(volume, volume_grid, drw_volume_wireframe_cb, volume);
}		}

return cache->face_wire.batch;		return cache->face_wire.batch;
}		}

		static void drw_volume_selection_surface_cb(
		void userdata, float (verts)[3], int (*tris)[3], int totvert, int tottris)
		{
		Volume *volume = userdata;
		VolumeBatchCache *cache = volume->batch_cache;

		static GPUVertFormat format = {0};
		static uint pos_id;
		if (format.attr_len == 0) {
		pos_id = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
		}

		/* Create vertex buffer. */
		GPUVertBuf *vbo_surface = GPU_vertbuf_create_with_format(&format);
		GPU_vertbuf_data_alloc(vbo_surface, totvert);
		GPU_vertbuf_attr_fill(vbo_surface, pos_id, verts);

		/* Create index buffer. */
		GPUIndexBufBuilder elb;
		GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tottris, totvert);
		for (int i = 0; i < tottris; i++) {
		GPU_indexbuf_add_tri_verts(&elb, UNPACK3(tris[i]));
		}
		GPUIndexBuf *ibo_surface = GPU_indexbuf_build(&elb);

		cache->selection_surface = GPU_batch_create_ex(
		GPU_PRIM_TRIS, vbo_surface, ibo_surface, GPU_BATCH_OWNS_VBO \| GPU_BATCH_OWNS_INDEX);
		}

		GPUBatch DRW_volume_batch_cache_get_selection_surface(Volume volume)
		{
		VolumeBatchCache *cache = volume_batch_cache_get(volume);
		if (cache->selection_surface == NULL) {
		VolumeGrid *volume_grid = BKE_volume_grid_active_get(volume);
		if (volume_grid == NULL) {
		return NULL;
		}
		BKE_volume_grid_selection_surface(
		volume, volume_grid, drw_volume_selection_surface_cb, volume);
		}
		return cache->selection_surface;
		}

static DRWVolumeGrid volume_grid_cache_get(Volume volume,		static DRWVolumeGrid volume_grid_cache_get(Volume volume,
VolumeGrid *grid,		VolumeGrid *grid,
VolumeBatchCache *cache)		VolumeBatchCache *cache)
{		{
const char *name = BKE_volume_grid_name(grid);		const char *name = BKE_volume_grid_name(grid);

/* Return cached grid. */		/* Return cached grid. */
DRWVolumeGrid *cache_grid;		DRWVolumeGrid *cache_grid;
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