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Differential D10978 Diff 36166 source/blender/nodes/geometry/nodes/node_geo_attribute_sample_texture.cc

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source/blender/nodes/geometry/nodes/node_geo_attribute_sample_texture.cc

Show First 20 Lines • Show All 88 Lines • ▼ Show 20 Lines OutputAttributePtr attribute_out = component.attribute_try_get_for_output(
result_attribute_name, result_domain, CD_PROP_COLOR); result_attribute_name, result_domain, CD_PROP_COLOR);
if (!attribute_out) { if (!attribute_out) {
return; return;
} }
Float3ReadAttribute mapping_attribute = component.attribute_get_for_read<float3>( Float3ReadAttribute mapping_attribute = component.attribute_get_for_read<float3>(
mapping_name, result_domain, {0, 0, 0}); mapping_name, result_domain, {0, 0, 0});
MutableSpan<Color4f> colors = attribute_out->get_span<Color4f>(); MutableSpan<ColorGeometry> colors = attribute_out->get_span<ColorGeometry>();
for (const int i : IndexRange(mapping_attribute.size())) { for (const int i : IndexRange(mapping_attribute.size())) {
TexResult texture_result = {0}; TexResult texture_result = {0};
const float3 position = mapping_attribute[i]; const float3 position = mapping_attribute[i];
/* For legacy reasons we have to map [0, 1] to [-1, 1] to support uv mappings. */ /* For legacy reasons we have to map [0, 1] to [-1, 1] to support uv mappings. */
const float3 remapped_position = position * 2.0f - float3(1.0f); const float3 remapped_position = position * 2.0f - float3(1.0f);
BKE_texture_get_value(nullptr, texture, remapped_position, &texture_result, false); BKE_texture_get_value(nullptr, texture, remapped_position, &texture_result, false);
colors[i] = {texture_result.tr, texture_result.tg, texture_result.tb, texture_result.ta}; colors[i] = {texture_result.tr, texture_result.tg, texture_result.tb, texture_result.ta};
} }
Show All 37 Lines