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Properly calculate lifetime_split for particles

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(cherry picked from commit f35ca4a9c7)
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clayjohn 2023-02-14 14:37:47 -08:00 • committed by Yuri Sizov
parent 95f5027453
commit 27df8b93aa
2 changed files with 6 additions and 7 deletions
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9
drivers/gles3/storage/particles_storage.cpp
View file

@ -919,7 +919,7 @@ void ParticlesStorage::_particles_update_instance_buffer(Particles *particles, c
glBeginTransformFeedback(GL_POINTS);
if (particles->draw_order == RS::PARTICLES_DRAW_ORDER_LIFETIME) {
uint32_t lifetime_split = MIN(particles->amount * particles->phase, particles->amount - 1);
uint32_t lifetime_split = (MIN(int(particles->amount * particles->phase), particles->amount - 1) + 1) % particles->amount;
uint32_t stride = particles->process_buffer_stride_cache;
glBindBuffer(GL_ARRAY_BUFFER, particles->back_process_buffer);
@ -1135,14 +1135,13 @@ void ParticlesStorage::_particles_reverse_lifetime_sort(Particles *particles) {
glGetBufferSubData(GL_ARRAY_BUFFER, 0, buffer_size, particle_array);
#endif
uint32_t lifetime_split = MIN(particles->amount * particles->sort_buffer_phase, particles->amount - 1);
uint32_t lifetime_split = (MIN(int(particles->amount * particles->sort_buffer_phase), particles->amount - 1) + 1) % particles->amount;
for (uint32_t i = 0; i < lifetime_split / 2; i++) {
SWAP(particle_array[i], particle_array[lifetime_split - i]);
SWAP(particle_array[i], particle_array[lifetime_split - i - 1]);
}
for (uint32_t i = 0; i < (particles->amount - lifetime_split) / 2; i++) {
SWAP(particle_array[lifetime_split + i + 1], particle_array[particles->amount - 1 - i]);
SWAP(particle_array[lifetime_split + i], particle_array[particles->amount - 1 - i]);
}
#ifndef __EMSCRIPTEN__

4
servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
View file

@ -1193,7 +1193,7 @@ void ParticlesStorage::particles_set_view_axis(RID p_particles, const Vector3 &p
}
copy_push_constant.order_by_lifetime = (particles->draw_order == RS::PARTICLES_DRAW_ORDER_LIFETIME || particles->draw_order == RS::PARTICLES_DRAW_ORDER_REVERSE_LIFETIME);
copy_push_constant.lifetime_split = MIN(particles->amount * particles->phase, particles->amount - 1);
copy_push_constant.lifetime_split = (MIN(int(particles->amount * particles->phase), particles->amount - 1) + 1) % particles->amount;
copy_push_constant.lifetime_reverse = particles->draw_order == RS::PARTICLES_DRAW_ORDER_REVERSE_LIFETIME;
copy_push_constant.frame_remainder = particles->interpolate ? particles->frame_remainder : 0.0;
@ -1511,7 +1511,7 @@ void ParticlesStorage::update_particles() {
}
copy_push_constant.order_by_lifetime = (particles->draw_order == RS::PARTICLES_DRAW_ORDER_LIFETIME || particles->draw_order == RS::PARTICLES_DRAW_ORDER_REVERSE_LIFETIME);
copy_push_constant.lifetime_split = MIN(particles->amount * particles->phase, particles->amount - 1);
copy_push_constant.lifetime_split = (MIN(int(particles->amount * particles->phase), particles->amount - 1) + 1) % particles->amount;
copy_push_constant.lifetime_reverse = particles->draw_order == RS::PARTICLES_DRAW_ORDER_REVERSE_LIFETIME;
RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();