forked from bartvdbraak/blender
Cycles: De-duplicate check for MIS shaders in meshes
Should be no functional changes.
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87717c6449
@ -227,33 +227,30 @@ void LightManager::device_update_distribution(Device *device, DeviceScene *dscen
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foreach(Object *object, scene->objects) {
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Mesh *mesh = object->mesh;
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bool have_emission = false;
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/* skip if we are not visible for BSDFs */
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/* Skip if we are not visible for BSDFs. */
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if(!(object->visibility & (PATH_RAY_DIFFUSE|PATH_RAY_GLOSSY|PATH_RAY_TRANSMIT)))
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continue;
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/* skip motion blurred deforming meshes, not supported yet */
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if(mesh->has_motion_blur())
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/* Skip motion blurred deforming meshes, not supported yet. */
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if(mesh->has_motion_blur()) {
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continue;
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/* skip if we have no emission shaders */
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foreach(Shader *shader, mesh->used_shaders) {
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if(shader->use_mis && shader->has_surface_emission) {
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have_emission = true;
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break;
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}
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}
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/* count triangles */
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if(have_emission) {
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/* Skip if we have no emission shaders. */
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if(!mesh->has_mis_emission) {
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continue;
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}
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/* Count triangles. */
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size_t mesh_num_triangles = mesh->num_triangles();
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for(size_t i = 0; i < mesh_num_triangles; i++) {
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int shader_index = mesh->shader[i];
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Shader *shader = (shader_index < mesh->used_shaders.size()) ?
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mesh->used_shaders[shader_index] : scene->default_surface;
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Shader *shader = (shader_index < mesh->used_shaders.size())
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? mesh->used_shaders[shader_index]
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: scene->default_surface;
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if(shader->use_mis && shader->has_surface_emission)
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if(shader->use_mis && shader->has_surface_emission) {
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num_triangles++;
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}
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}
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@ -271,31 +268,29 @@ void LightManager::device_update_distribution(Device *device, DeviceScene *dscen
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int j = 0;
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foreach(Object *object, scene->objects) {
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Mesh *mesh = object->mesh;
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bool have_emission = false;
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if(progress.get_cancel()) return;
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/* skip if we are not visible for BSDFs */
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Mesh *mesh = object->mesh;
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/* Skip if we are not visible for BSDFs. */
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if(!(object->visibility & (PATH_RAY_DIFFUSE|PATH_RAY_GLOSSY|PATH_RAY_TRANSMIT))) {
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j++;
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continue;
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}
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/* skip motion blurred deforming meshes, not supported yet */
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/* Skip motion blurred deforming meshes, not supported yet. */
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if(mesh->has_motion_blur()) {
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j++;
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continue;
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}
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/* skip if we have no emission shaders */
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foreach(Shader *shader, mesh->used_shaders) {
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if(shader->use_mis && shader->has_surface_emission) {
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have_emission = true;
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break;
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}
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/* Skip if we have no emission shaders. */
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if(!mesh->has_mis_emission) {
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j++;
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continue;
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}
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/* sum area */
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if(have_emission) {
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bool transform_applied = mesh->transform_applied;
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Transform tfm = object->tfm;
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int object_id = j;
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@ -324,8 +319,9 @@ void LightManager::device_update_distribution(Device *device, DeviceScene *dscen
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size_t mesh_num_triangles = mesh->num_triangles();
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for(size_t i = 0; i < mesh_num_triangles; i++) {
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int shader_index = mesh->shader[i];
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Shader *shader = (shader_index < mesh->used_shaders.size()) ?
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mesh->used_shaders[shader_index] : scene->default_surface;
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Shader *shader = (shader_index < mesh->used_shaders.size())
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? mesh->used_shaders[shader_index]
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: scene->default_surface;
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if(shader->use_mis && shader->has_surface_emission) {
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distribution[offset].x = totarea;
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@ -348,9 +344,6 @@ void LightManager::device_update_distribution(Device *device, DeviceScene *dscen
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totarea += triangle_area(p1, p2, p3);
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}
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}
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}
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if(progress.get_cancel()) return;
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j++;
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}
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@ -156,6 +156,7 @@ Mesh::Mesh()
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geometry_flags = GEOMETRY_NONE;
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has_volume = false;
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has_mis_emission = false;
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has_surface_bssrdf = false;
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}
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@ -1289,10 +1290,14 @@ void MeshManager::device_update_flags(Device * /*device*/,
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/* update flags */
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foreach(Mesh *mesh, scene->meshes) {
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mesh->has_volume = false;
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mesh->has_mis_emission = false;
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foreach(const Shader *shader, mesh->used_shaders) {
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if(shader->has_volume) {
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mesh->has_volume = true;
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}
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if(shader->use_mis && shader->has_surface_emission) {
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mesh->has_mis_emission = true;
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}
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if(shader->has_surface_bssrdf) {
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mesh->has_surface_bssrdf = true;
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}
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@ -122,6 +122,7 @@ public:
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array<bool> forms_quad; /* used to tell if triangle is part of a quad patch */
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bool has_volume; /* Set in the device_update_flags(). */
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bool has_mis_emission; /* Set in the device_update_flags(). */
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bool has_surface_bssrdf; /* Set in the device_update_flags(). */
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array<float3> curve_keys;
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