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Fix T85144: Cycles crashes when editing render properties in viewport

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rendering

Issue was caused by the sample pattern LUT always being freed and not
rebuilt when properties driving its dimensions were modified.
This commit is contained in:
Kévin Dietrich 2021-01-29 17:17:18 +01:00
parent 171f2e4949
commit d0f59d3842
3 changed files with 21 additions and 2 deletions
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18
intern/cycles/render/integrator.cpp
View file

@ -115,7 +115,15 @@ void Integrator::device_update(Device *device, DeviceScene *dscene, Scene *scene
}
});
if (sampling_pattern_is_modified()) {
const bool need_update_lut = ao_samples_is_modified() || diffuse_samples_is_modified() ||
glossy_samples_is_modified() || max_bounce_is_modified() ||
max_transmission_bounce_is_modified() ||
mesh_light_samples_is_modified() || method_is_modified() ||
sampling_pattern_is_modified() ||
subsurface_samples_is_modified() ||
transmission_samples_is_modified() || volume_samples_is_modified();
if (need_update_lut) {
dscene->sample_pattern_lut.tag_realloc();
}
@ -248,7 +256,7 @@ void Integrator::device_update(Device *device, DeviceScene *dscene, Scene *scene
int dimensions = PRNG_BASE_NUM + max_samples * PRNG_BOUNCE_NUM;
dimensions = min(dimensions, SOBOL_MAX_DIMENSIONS);
if (sampling_pattern_is_modified()) {
if (need_update_lut) {
if (sampling_pattern == SAMPLING_PATTERN_SOBOL) {
uint *directions = dscene->sample_pattern_lut.alloc(SOBOL_BITS * dimensions);
@ -272,6 +280,7 @@ void Integrator::device_update(Device *device, DeviceScene *dscene, Scene *scene
}
}
dscene->sample_pattern_lut.clear_modified();
clear_modified();
}
@ -292,6 +301,11 @@ void Integrator::tag_update(Scene *scene, uint32_t flag)
tag_ao_bounces_modified();
}
if ((flag & LIGHT_SAMPLES_MODIFIED) && (method == BRANCHED_PATH)) {
/* the number of light samples may affect the size of the sample_pattern_lut */
tag_sampling_pattern_modified();
}
if (filter_glossy_is_modified()) {
foreach (Shader *shader, scene->shaders) {
if (shader->has_integrator_dependency) {

1
intern/cycles/render/integrator.h
View file

@ -92,6 +92,7 @@ class Integrator : public Node {
enum : uint32_t {
AO_PASS_MODIFIED = (1 << 0),
BACKGROUND_AO_MODIFIED = (1 << 1),
LIGHT_SAMPLES_MODIFIED = (1 << 2),
/* tag everything in the manager for an update */
UPDATE_ALL = ~0u,

4
intern/cycles/render/light.cpp
View file

@ -164,6 +164,10 @@ void Light::tag_update(Scene *scene)
{
if (is_modified()) {
scene->light_manager->tag_update(scene, LightManager::LIGHT_MODIFIED);
if (samples_is_modified()) {
scene->integrator->tag_update(scene, Integrator::LIGHT_SAMPLES_MODIFIED);
}
}
}