forked from bartvdbraak/blender
Cleanup: Curves draw cache renaming, use references
Also change some remaining cases of "hair object" to "curves object".
This commit is contained in:
parent
4edde244da
commit
8466fd4bd1
@ -26,7 +26,7 @@ def geometry_node_group_empty_new():
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def geometry_modifier_poll(context):
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ob = context.object
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# Test object support for geometry node modifier (No hair object support yet)
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# Test object support for geometry node modifier (No curves object support yet)
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if not ob or ob.type not in {'MESH', 'POINTCLOUD', 'VOLUME', 'CURVE', 'FONT'}:
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return False
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@ -4000,7 +4000,7 @@ void BKE_object_foreach_display_point(Object *ob,
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void (*func_cb)(const float[3], void *),
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void *user_data)
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{
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/* TODO: pointcloud and hair objects support */
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/* TODO: pointcloud and curves object support */
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const Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob);
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float co[3];
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@ -4,7 +4,7 @@
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/** \file
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* \ingroup draw
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*
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* \brief Hair API for render engines
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* \brief Curves API for render engines
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*/
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#include <cstring>
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@ -35,33 +35,29 @@ using blender::float3;
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using blender::IndexRange;
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using blender::Span;
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static void curves_batch_cache_clear(Curves *curves);
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/* ---------------------------------------------------------------------- */
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/* Hair GPUBatch Cache */
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/* Curves GPUBatch Cache */
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struct HairBatchCache {
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struct CurvesBatchCache {
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ParticleHairCache hair;
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/* settings to determine if cache is invalid */
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/* To determine if cache is invalid. */
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bool is_dirty;
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};
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/* GPUBatch cache management. */
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static bool curves_batch_cache_valid(Curves *curves)
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static bool curves_batch_cache_valid(const Curves &curves)
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{
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HairBatchCache *cache = static_cast<HairBatchCache *>(curves->batch_cache);
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const CurvesBatchCache *cache = static_cast<CurvesBatchCache *>(curves.batch_cache);
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return (cache && cache->is_dirty == false);
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}
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static void curves_batch_cache_init(Curves *curves)
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static void curves_batch_cache_init(Curves &curves)
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{
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HairBatchCache *cache = static_cast<HairBatchCache *>(curves->batch_cache);
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CurvesBatchCache *cache = static_cast<CurvesBatchCache *>(curves.batch_cache);
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if (!cache) {
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cache = MEM_cnew<HairBatchCache>(__func__);
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curves->batch_cache = cache;
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cache = MEM_cnew<CurvesBatchCache>(__func__);
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curves.batch_cache = cache;
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}
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else {
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memset(cache, 0, sizeof(*cache));
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@ -70,23 +66,33 @@ static void curves_batch_cache_init(Curves *curves)
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cache->is_dirty = false;
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}
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static void curves_batch_cache_clear(Curves &curves)
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{
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CurvesBatchCache *cache = static_cast<CurvesBatchCache *>(curves.batch_cache);
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if (!cache) {
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return;
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}
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particle_batch_cache_clear_hair(&cache->hair);
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}
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void DRW_curves_batch_cache_validate(Curves *curves)
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{
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if (!curves_batch_cache_valid(curves)) {
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curves_batch_cache_clear(curves);
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curves_batch_cache_init(curves);
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if (!curves_batch_cache_valid(*curves)) {
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curves_batch_cache_clear(*curves);
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curves_batch_cache_init(*curves);
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}
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}
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static HairBatchCache *curves_batch_cache_get(Curves *curves)
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static CurvesBatchCache &curves_batch_cache_get(Curves &curves)
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{
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DRW_curves_batch_cache_validate(curves);
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return static_cast<HairBatchCache *>(curves->batch_cache);
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DRW_curves_batch_cache_validate(&curves);
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return *static_cast<CurvesBatchCache *>(curves.batch_cache);
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}
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void DRW_curves_batch_cache_dirty_tag(Curves *curves, int mode)
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{
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HairBatchCache *cache = static_cast<HairBatchCache *>(curves->batch_cache);
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CurvesBatchCache *cache = static_cast<CurvesBatchCache *>(curves->batch_cache);
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if (cache == nullptr) {
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return;
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}
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@ -99,52 +105,42 @@ void DRW_curves_batch_cache_dirty_tag(Curves *curves, int mode)
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}
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}
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static void curves_batch_cache_clear(Curves *curves)
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{
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HairBatchCache *cache = static_cast<HairBatchCache *>(curves->batch_cache);
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if (!cache) {
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return;
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}
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particle_batch_cache_clear_hair(&cache->hair);
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}
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void DRW_curves_batch_cache_free(Curves *curves)
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{
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curves_batch_cache_clear(curves);
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curves_batch_cache_clear(*curves);
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MEM_SAFE_FREE(curves->batch_cache);
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}
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static void ensure_seg_pt_count(Curves *curves, ParticleHairCache *curves_cache)
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static void ensure_seg_pt_count(const Curves &curves, ParticleHairCache &curves_cache)
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{
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if ((curves_cache->pos != nullptr && curves_cache->indices != nullptr) ||
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(curves_cache->proc_point_buf != nullptr)) {
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if ((curves_cache.pos != nullptr && curves_cache.indices != nullptr) ||
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(curves_cache.proc_point_buf != nullptr)) {
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return;
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}
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curves_cache->strands_len = curves->geometry.curve_size;
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curves_cache->elems_len = curves->geometry.point_size + curves->geometry.curve_size;
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curves_cache->point_len = curves->geometry.point_size;
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curves_cache.strands_len = curves.geometry.curve_size;
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curves_cache.elems_len = curves.geometry.point_size + curves.geometry.curve_size;
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curves_cache.point_len = curves.geometry.point_size;
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}
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static void curves_batch_cache_fill_segments_proc_pos(Curves *curves,
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GPUVertBufRaw *attr_step,
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GPUVertBufRaw *length_step)
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static void curves_batch_cache_fill_segments_proc_pos(const Curves &curves_id,
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GPUVertBufRaw &attr_step,
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GPUVertBufRaw &length_step)
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{
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/* TODO: use hair radius layer if available. */
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const int curve_size = curves->geometry.curve_size;
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const blender::bke::CurvesGeometry &geometry = blender::bke::CurvesGeometry::wrap(
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curves->geometry);
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Span<float3> positions = geometry.positions();
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const int curve_size = curves_id.geometry.curve_size;
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const blender::bke::CurvesGeometry &curves = blender::bke::CurvesGeometry::wrap(
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curves_id.geometry);
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Span<float3> positions = curves.positions();
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for (const int i : IndexRange(curve_size)) {
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const IndexRange curve_range = geometry.points_for_curve(i);
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const IndexRange curve_range = curves.points_for_curve(i);
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Span<float3> curve_positions = positions.slice(curve_range);
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float total_len = 0.0f;
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float *seg_data_first;
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for (const int i_curve : curve_positions.index_range()) {
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float *seg_data = (float *)GPU_vertbuf_raw_step(attr_step);
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float *seg_data = (float *)GPU_vertbuf_raw_step(&attr_step);
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copy_v3_v3(seg_data, curve_positions[i_curve]);
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if (i_curve == 0) {
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seg_data_first = seg_data;
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@ -156,7 +152,7 @@ static void curves_batch_cache_fill_segments_proc_pos(Curves *curves,
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seg_data[3] = total_len;
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}
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/* Assign length value. */
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*(float *)GPU_vertbuf_raw_step(length_step) = total_len;
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*(float *)GPU_vertbuf_raw_step(&length_step) = total_len;
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if (total_len > 0.0f) {
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/* Divide by total length to have a [0-1] number. */
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for ([[maybe_unused]] const int i_curve : curve_positions.index_range()) {
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@ -167,67 +163,67 @@ static void curves_batch_cache_fill_segments_proc_pos(Curves *curves,
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}
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}
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static void curves_batch_cache_ensure_procedural_pos(Curves *curves,
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ParticleHairCache *cache,
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static void curves_batch_cache_ensure_procedural_pos(Curves &curves,
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ParticleHairCache &cache,
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GPUMaterial *gpu_material)
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{
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if (cache->proc_point_buf == nullptr) {
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/* initialize vertex format */
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if (cache.proc_point_buf == nullptr) {
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/* Initialize vertex format. */
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GPUVertFormat format = {0};
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uint pos_id = GPU_vertformat_attr_add(&format, "posTime", GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
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cache->proc_point_buf = GPU_vertbuf_create_with_format(&format);
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GPU_vertbuf_data_alloc(cache->proc_point_buf, cache->point_len);
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cache.proc_point_buf = GPU_vertbuf_create_with_format(&format);
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GPU_vertbuf_data_alloc(cache.proc_point_buf, cache.point_len);
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GPUVertBufRaw point_step;
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GPU_vertbuf_attr_get_raw_data(cache->proc_point_buf, pos_id, &point_step);
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GPU_vertbuf_attr_get_raw_data(cache.proc_point_buf, pos_id, &point_step);
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GPUVertFormat length_format = {0};
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uint length_id = GPU_vertformat_attr_add(
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&length_format, "hairLength", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
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cache->proc_length_buf = GPU_vertbuf_create_with_format(&length_format);
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GPU_vertbuf_data_alloc(cache->proc_length_buf, cache->strands_len);
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cache.proc_length_buf = GPU_vertbuf_create_with_format(&length_format);
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GPU_vertbuf_data_alloc(cache.proc_length_buf, cache.strands_len);
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GPUVertBufRaw length_step;
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GPU_vertbuf_attr_get_raw_data(cache->proc_length_buf, length_id, &length_step);
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GPU_vertbuf_attr_get_raw_data(cache.proc_length_buf, length_id, &length_step);
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curves_batch_cache_fill_segments_proc_pos(curves, &point_step, &length_step);
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curves_batch_cache_fill_segments_proc_pos(curves, point_step, length_step);
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/* Create vbo immediately to bind to texture buffer. */
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GPU_vertbuf_use(cache->proc_point_buf);
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cache->point_tex = GPU_texture_create_from_vertbuf("hair_point", cache->proc_point_buf);
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GPU_vertbuf_use(cache.proc_point_buf);
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cache.point_tex = GPU_texture_create_from_vertbuf("hair_point", cache.proc_point_buf);
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}
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if (gpu_material && cache->proc_length_buf != nullptr && cache->length_tex) {
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if (gpu_material && cache.proc_length_buf != nullptr && cache.length_tex) {
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ListBase gpu_attrs = GPU_material_attributes(gpu_material);
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LISTBASE_FOREACH (GPUMaterialAttribute *, attr, &gpu_attrs) {
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if (attr->type == CD_HAIRLENGTH) {
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GPU_vertbuf_use(cache->proc_length_buf);
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cache->length_tex = GPU_texture_create_from_vertbuf("hair_length", cache->proc_length_buf);
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GPU_vertbuf_use(cache.proc_length_buf);
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cache.length_tex = GPU_texture_create_from_vertbuf("hair_length", cache.proc_length_buf);
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break;
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}
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}
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}
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}
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static void curves_batch_cache_fill_strands_data(Curves *curves,
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GPUVertBufRaw *data_step,
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GPUVertBufRaw *seg_step)
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static void curves_batch_cache_fill_strands_data(const Curves &curves_id,
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GPUVertBufRaw &data_step,
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GPUVertBufRaw &seg_step)
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{
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const blender::bke::CurvesGeometry &geometry = blender::bke::CurvesGeometry::wrap(
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curves->geometry);
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const blender::bke::CurvesGeometry &curves = blender::bke::CurvesGeometry::wrap(
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curves_id.geometry);
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for (const int i : IndexRange(geometry.curves_num())) {
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const IndexRange curve_range = geometry.points_for_curve(i);
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for (const int i : IndexRange(curves.curves_num())) {
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const IndexRange curve_range = curves.points_for_curve(i);
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*(uint *)GPU_vertbuf_raw_step(data_step) = curve_range.start();
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*(ushort *)GPU_vertbuf_raw_step(seg_step) = curve_range.size() - 1;
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*(uint *)GPU_vertbuf_raw_step(&data_step) = curve_range.start();
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*(ushort *)GPU_vertbuf_raw_step(&seg_step) = curve_range.size() - 1;
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}
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}
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static void curves_batch_cache_ensure_procedural_strand_data(Curves *curves,
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ParticleHairCache *cache)
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static void curves_batch_cache_ensure_procedural_strand_data(Curves &curves,
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ParticleHairCache &cache)
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{
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GPUVertBufRaw data_step, seg_step;
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@ -237,77 +233,76 @@ static void curves_batch_cache_ensure_procedural_strand_data(Curves *curves,
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GPUVertFormat format_seg = {0};
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uint seg_id = GPU_vertformat_attr_add(&format_seg, "data", GPU_COMP_U16, 1, GPU_FETCH_INT);
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/* Strand Data */
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cache->proc_strand_buf = GPU_vertbuf_create_with_format(&format_data);
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GPU_vertbuf_data_alloc(cache->proc_strand_buf, cache->strands_len);
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GPU_vertbuf_attr_get_raw_data(cache->proc_strand_buf, data_id, &data_step);
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/* Curve Data. */
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cache.proc_strand_buf = GPU_vertbuf_create_with_format(&format_data);
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GPU_vertbuf_data_alloc(cache.proc_strand_buf, cache.strands_len);
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GPU_vertbuf_attr_get_raw_data(cache.proc_strand_buf, data_id, &data_step);
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cache->proc_strand_seg_buf = GPU_vertbuf_create_with_format(&format_seg);
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GPU_vertbuf_data_alloc(cache->proc_strand_seg_buf, cache->strands_len);
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GPU_vertbuf_attr_get_raw_data(cache->proc_strand_seg_buf, seg_id, &seg_step);
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cache.proc_strand_seg_buf = GPU_vertbuf_create_with_format(&format_seg);
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GPU_vertbuf_data_alloc(cache.proc_strand_seg_buf, cache.strands_len);
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GPU_vertbuf_attr_get_raw_data(cache.proc_strand_seg_buf, seg_id, &seg_step);
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curves_batch_cache_fill_strands_data(curves, &data_step, &seg_step);
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curves_batch_cache_fill_strands_data(curves, data_step, seg_step);
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/* Create vbo immediately to bind to texture buffer. */
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GPU_vertbuf_use(cache->proc_strand_buf);
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cache->strand_tex = GPU_texture_create_from_vertbuf("curves_strand", cache->proc_strand_buf);
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GPU_vertbuf_use(cache.proc_strand_buf);
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cache.strand_tex = GPU_texture_create_from_vertbuf("curves_strand", cache.proc_strand_buf);
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GPU_vertbuf_use(cache->proc_strand_seg_buf);
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cache->strand_seg_tex = GPU_texture_create_from_vertbuf("curves_strand_seg",
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cache->proc_strand_seg_buf);
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GPU_vertbuf_use(cache.proc_strand_seg_buf);
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cache.strand_seg_tex = GPU_texture_create_from_vertbuf("curves_strand_seg",
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cache.proc_strand_seg_buf);
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}
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static void curves_batch_cache_ensure_procedural_final_points(ParticleHairCache *cache, int subdiv)
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static void curves_batch_cache_ensure_procedural_final_points(ParticleHairCache &cache, int subdiv)
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{
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/* Same format as point_tex. */
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GPUVertFormat format = {0};
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GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
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cache->final[subdiv].proc_buf = GPU_vertbuf_create_with_format_ex(&format,
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GPU_USAGE_DEVICE_ONLY);
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cache.final[subdiv].proc_buf = GPU_vertbuf_create_with_format_ex(&format, GPU_USAGE_DEVICE_ONLY);
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/* Create a destination buffer for the transform feedback. Sized appropriately */
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/* Those are points! not line segments. */
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GPU_vertbuf_data_alloc(cache->final[subdiv].proc_buf,
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cache->final[subdiv].strands_res * cache->strands_len);
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GPU_vertbuf_data_alloc(cache.final[subdiv].proc_buf,
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cache.final[subdiv].strands_res * cache.strands_len);
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/* Create vbo immediately to bind to texture buffer. */
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GPU_vertbuf_use(cache->final[subdiv].proc_buf);
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GPU_vertbuf_use(cache.final[subdiv].proc_buf);
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cache->final[subdiv].proc_tex = GPU_texture_create_from_vertbuf("hair_proc",
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cache->final[subdiv].proc_buf);
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cache.final[subdiv].proc_tex = GPU_texture_create_from_vertbuf("hair_proc",
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cache.final[subdiv].proc_buf);
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}
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static void curves_batch_cache_fill_segments_indices(Curves *curves,
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static void curves_batch_cache_fill_segments_indices(const Curves &curves,
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const int res,
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GPUIndexBufBuilder *elb)
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GPUIndexBufBuilder &elb)
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{
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const int curve_size = curves->geometry.curve_size;
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const int curves_num = curves.geometry.curve_size;
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uint curr_point = 0;
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for ([[maybe_unused]] const int i : IndexRange(curve_size)) {
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for ([[maybe_unused]] const int i : IndexRange(curves_num)) {
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for (int k = 0; k < res; k++) {
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GPU_indexbuf_add_generic_vert(elb, curr_point++);
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GPU_indexbuf_add_generic_vert(&elb, curr_point++);
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}
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GPU_indexbuf_add_primitive_restart(elb);
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GPU_indexbuf_add_primitive_restart(&elb);
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}
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}
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static void curves_batch_cache_ensure_procedural_indices(Curves *curves,
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ParticleHairCache *cache,
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int thickness_res,
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int subdiv)
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static void curves_batch_cache_ensure_procedural_indices(Curves &curves,
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ParticleHairCache &cache,
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const int thickness_res,
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const int subdiv)
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{
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BLI_assert(thickness_res <= MAX_THICKRES); /* Cylinder strip not currently supported. */
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if (cache->final[subdiv].proc_hairs[thickness_res - 1] != nullptr) {
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if (cache.final[subdiv].proc_hairs[thickness_res - 1] != nullptr) {
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return;
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}
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int verts_per_hair = cache->final[subdiv].strands_res * thickness_res;
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int verts_per_curve = cache.final[subdiv].strands_res * thickness_res;
|
||||
/* +1 for primitive restart */
|
||||
int element_count = (verts_per_hair + 1) * cache->strands_len;
|
||||
int element_count = (verts_per_curve + 1) * cache.strands_len;
|
||||
GPUPrimType prim_type = (thickness_res == 1) ? GPU_PRIM_LINE_STRIP : GPU_PRIM_TRI_STRIP;
|
||||
|
||||
static GPUVertFormat format = {0};
|
||||
@ -322,46 +317,46 @@ static void curves_batch_cache_ensure_procedural_indices(Curves *curves,
|
||||
GPUIndexBufBuilder elb;
|
||||
GPU_indexbuf_init_ex(&elb, prim_type, element_count, element_count);
|
||||
|
||||
curves_batch_cache_fill_segments_indices(curves, verts_per_hair, &elb);
|
||||
curves_batch_cache_fill_segments_indices(curves, verts_per_curve, elb);
|
||||
|
||||
cache->final[subdiv].proc_hairs[thickness_res - 1] = GPU_batch_create_ex(
|
||||
cache.final[subdiv].proc_hairs[thickness_res - 1] = GPU_batch_create_ex(
|
||||
prim_type, vbo, GPU_indexbuf_build(&elb), GPU_BATCH_OWNS_VBO | GPU_BATCH_OWNS_INDEX);
|
||||
}
|
||||
|
||||
bool hair_ensure_procedural_data(Object *object,
|
||||
ParticleHairCache **r_hair_cache,
|
||||
GPUMaterial *gpu_material,
|
||||
int subdiv,
|
||||
int thickness_res)
|
||||
bool curves_ensure_procedural_data(Object *object,
|
||||
ParticleHairCache **r_hair_cache,
|
||||
GPUMaterial *gpu_material,
|
||||
const int subdiv,
|
||||
const int thickness_res)
|
||||
{
|
||||
bool need_ft_update = false;
|
||||
Curves *curves = static_cast<Curves *>(object->data);
|
||||
Curves &curves = *static_cast<Curves *>(object->data);
|
||||
|
||||
HairBatchCache *cache = curves_batch_cache_get(curves);
|
||||
*r_hair_cache = &cache->hair;
|
||||
CurvesBatchCache &cache = curves_batch_cache_get(curves);
|
||||
*r_hair_cache = &cache.hair;
|
||||
|
||||
const int steps = 3; /* TODO: don't hard-code? */
|
||||
(*r_hair_cache)->final[subdiv].strands_res = 1 << (steps + subdiv);
|
||||
|
||||
/* Refreshed on combing and simulation. */
|
||||
if ((*r_hair_cache)->proc_point_buf == nullptr) {
|
||||
ensure_seg_pt_count(curves, &cache->hair);
|
||||
curves_batch_cache_ensure_procedural_pos(curves, &cache->hair, gpu_material);
|
||||
ensure_seg_pt_count(curves, cache.hair);
|
||||
curves_batch_cache_ensure_procedural_pos(curves, cache.hair, gpu_material);
|
||||
need_ft_update = true;
|
||||
}
|
||||
|
||||
/* Refreshed if active layer or custom data changes. */
|
||||
if ((*r_hair_cache)->strand_tex == nullptr) {
|
||||
curves_batch_cache_ensure_procedural_strand_data(curves, &cache->hair);
|
||||
curves_batch_cache_ensure_procedural_strand_data(curves, cache.hair);
|
||||
}
|
||||
|
||||
/* Refreshed only on subdiv count change. */
|
||||
if ((*r_hair_cache)->final[subdiv].proc_buf == nullptr) {
|
||||
curves_batch_cache_ensure_procedural_final_points(&cache->hair, subdiv);
|
||||
curves_batch_cache_ensure_procedural_final_points(cache.hair, subdiv);
|
||||
need_ft_update = true;
|
||||
}
|
||||
if ((*r_hair_cache)->final[subdiv].proc_hairs[thickness_res - 1] == nullptr) {
|
||||
curves_batch_cache_ensure_procedural_indices(curves, &cache->hair, thickness_res, subdiv);
|
||||
curves_batch_cache_ensure_procedural_indices(curves, cache.hair, thickness_res, subdiv);
|
||||
}
|
||||
|
||||
return need_ft_update;
|
||||
|
@ -172,8 +172,8 @@ static ParticleHairCache *drw_hair_particle_cache_get(Object *object,
|
||||
object, psys, md, &cache, gpu_material, subdiv, thickness_res);
|
||||
}
|
||||
else {
|
||||
/* New hair object. */
|
||||
update = hair_ensure_procedural_data(object, &cache, gpu_material, subdiv, thickness_res);
|
||||
/* New curves object. */
|
||||
update = curves_ensure_procedural_data(object, &cache, gpu_material, subdiv, thickness_res);
|
||||
}
|
||||
|
||||
if (update) {
|
||||
@ -230,7 +230,7 @@ void DRW_hair_duplimat_get(Object *object,
|
||||
}
|
||||
}
|
||||
else {
|
||||
/* New hair object. */
|
||||
/* New curves object. */
|
||||
copy_m4_m4(dupli_mat, object->obmat);
|
||||
}
|
||||
}
|
||||
@ -291,7 +291,7 @@ DRWShadingGroup *DRW_shgroup_hair_create_sub(Object *object,
|
||||
hair_close_tip = (part->shape_flag & PART_SHAPE_CLOSE_TIP) != 0;
|
||||
}
|
||||
else {
|
||||
/* TODO: implement for new hair object. */
|
||||
/* TODO: implement for new curves object. */
|
||||
hair_rad_shape = 1.0f;
|
||||
hair_rad_root = 0.005f;
|
||||
hair_rad_tip = 0.0f;
|
||||
|
@ -91,11 +91,11 @@ bool particles_ensure_procedural_data(struct Object *object,
|
||||
/**
|
||||
* Ensure all textures and buffers needed for GPU accelerated drawing.
|
||||
*/
|
||||
bool hair_ensure_procedural_data(struct Object *object,
|
||||
struct ParticleHairCache **r_hair_cache,
|
||||
struct GPUMaterial *gpu_material,
|
||||
int subdiv,
|
||||
int thickness_res);
|
||||
bool curves_ensure_procedural_data(struct Object *object,
|
||||
struct ParticleHairCache **r_hair_cache,
|
||||
struct GPUMaterial *gpu_material,
|
||||
int subdiv,
|
||||
int thickness_res);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user