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Fix #140621: Multi-object edit mode displays non-active UVs as faded

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The feature to display multiple objects in the UV and Image Editor was
added in 24d08e0bae.

This commit did not account the multi-edit mode feature, where there may
be more than one object currently being edited, causing some UVs to
display with a faded opacity.

To fix this, introduce a new `eObjectInfoFlag` flag to indicate this
state, populate it when syncing the object, and use the flag inside the
relevant shaders.

Pull Request: https://projects.blender.org/blender/blender/pulls/141254
This commit is contained in:
Sean Kim
2025-07-08 15:51:09 +02:00
committed by Sean Kim
parent 46a6641c4d
commit 62568d16e5
5 changed files with 21 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
source/blender/draw/engines/overlay/shaders/overlay_edit_uv_edges_frag.glsl
View File

@@ -66,7 +66,7 @@ void main()
final_color.a *= 1.0f - (outer_color.a > 0.0f ? mix_w_outer : mix_w);
eObjectInfoFlag ob_flag = drw_object_infos().flag;
bool is_active = flag_test(ob_flag, OBJECT_ACTIVE);
bool is_active = flag_test(ob_flag, OBJECT_ACTIVE_EDIT_MODE);
final_color.a *= is_active ? alpha : (alpha * 0.25f);
frag_color = final_color;

2
source/blender/draw/engines/overlay/shaders/overlay_edit_uv_faces_vert.glsl
View File

@@ -19,7 +19,7 @@ void main()
bool is_selected = (flag & FACE_UV_SELECT) != 0u;
bool is_active = (flag & FACE_UV_ACTIVE) != 0u;
eObjectInfoFlag ob_flag = drw_object_infos().flag;
bool is_object_active = flag_test(ob_flag, OBJECT_ACTIVE);
bool is_object_active = flag_test(ob_flag, OBJECT_ACTIVE_EDIT_MODE);
final_color = (is_selected) ? theme.colors.face_select : theme.colors.face;
final_color = (is_active) ? theme.colors.edit_mesh_active : final_color;

14
source/blender/draw/intern/draw_manager.hh
View File

@@ -327,9 +327,11 @@ inline ResourceHandleRange Manager::unique_handle(const ObjectRef &ref)
inline ResourceHandleRange Manager::resource_handle(const ObjectRef &ref, float inflate_bounds)
{
bool is_active_object = (ref.dupli_object ? ref.dupli_parent : ref.object) == object_active;
bool is_edit_mode = DRW_object_is_in_edit_mode(object_active) &&
ref.object->mode == object_active->mode;
matrix_buf.current().get_or_resize(resource_len_).sync(*ref.object);
bounds_buf.current().get_or_resize(resource_len_).sync(*ref.object, inflate_bounds);
infos_buf.current().get_or_resize(resource_len_).sync(ref, is_active_object);
infos_buf.current().get_or_resize(resource_len_).sync(ref, is_active_object, is_edit_mode);
return ResourceHandle(resource_len_++, (ref.object->transflag & OB_NEG_SCALE) != 0);
}
@@ -339,6 +341,8 @@ inline ResourceHandle Manager::resource_handle(const ObjectRef &ref,
const float3 *bounds_half_extent)
{
bool is_active_object = (ref.dupli_object ? ref.dupli_parent : ref.object) == object_active;
bool is_edit_mode = DRW_object_is_in_edit_mode(object_active) &&
ref.object->mode == object_active->mode;
if (model_matrix) {
matrix_buf.current().get_or_resize(resource_len_).sync(*model_matrix);
}
@@ -351,7 +355,7 @@ inline ResourceHandle Manager::resource_handle(const ObjectRef &ref,
else {
bounds_buf.current().get_or_resize(resource_len_).sync(*ref.object);
}
infos_buf.current().get_or_resize(resource_len_).sync(ref, is_active_object);
infos_buf.current().get_or_resize(resource_len_).sync(ref, is_active_object, is_edit_mode);
return ResourceHandle(resource_len_++, (ref.object->transflag & OB_NEG_SCALE) != 0);
}
@@ -377,9 +381,13 @@ inline ResourceHandle Manager::resource_handle_for_psys(const ObjectRef &ref,
const float4x4 &model_matrix)
{
bool is_active_object = (ref.dupli_object ? ref.dupli_parent : ref.object) == object_active;
bool matches_active_object_edit_mode = object_active->mode == eObjectMode::OB_MODE_EDIT &&
ref.object->mode == object_active->mode;
matrix_buf.current().get_or_resize(resource_len_).sync(model_matrix);
bounds_buf.current().get_or_resize(resource_len_).sync();
infos_buf.current().get_or_resize(resource_len_).sync(ref, is_active_object);
infos_buf.current()
.get_or_resize(resource_len_)
.sync(ref, is_active_object, matches_active_object_edit_mode);
return ResourceHandle(resource_len_++, (ref.object->transflag & OB_NEG_SCALE) != 0);
}

5
source/blender/draw/intern/draw_resource.hh
View File

@@ -69,7 +69,9 @@ inline void ObjectInfos::sync()
flag = eObjectInfoFlag::OBJECT_NO_INFO;
}
inline void ObjectInfos::sync(const blender::draw::ObjectRef ref, bool is_active_object)
inline void ObjectInfos::sync(const blender::draw::ObjectRef ref,
bool is_active_object,
bool is_active_edit_mode)
{
object_attrs_len = 0;
object_attrs_offset = 0;
@@ -97,6 +99,7 @@ inline void ObjectInfos::sync(const blender::draw::ObjectRef ref, bool is_active
SET_FLAG_FROM_TEST(
flag, ref.object->transflag & OB_NEG_SCALE, eObjectInfoFlag::OBJECT_NEGATIVE_SCALE);
SET_FLAG_FROM_TEST(flag, is_holdout, eObjectInfoFlag::OBJECT_HOLDOUT);
SET_FLAG_FROM_TEST(flag, is_active_edit_mode, eObjectInfoFlag::OBJECT_ACTIVE_EDIT_MODE);
if (ref.object->shadow_terminator_normal_offset > 0.0f) {
using namespace blender::math;

5
source/blender/draw/intern/draw_shader_shared.hh
View File

@@ -148,6 +148,9 @@ enum eObjectInfoFlag : uint32_t {
OBJECT_ACTIVE = (1u << 3u),
OBJECT_NEGATIVE_SCALE = (1u << 4u),
OBJECT_HOLDOUT = (1u << 5u),
/* Implies all objects that match the current active object's mode and able to be edited
* simultaneously. Currently only applicable for edit mode. */
OBJECT_ACTIVE_EDIT_MODE = (1u << 6u),
/* Avoid skipped info to change culling. */
OBJECT_NO_INFO = ~OBJECT_HOLDOUT
};
@@ -172,7 +175,7 @@ struct ObjectInfos {
#if !defined(GPU_SHADER) && defined(__cplusplus)
void sync();
void sync(const blender::draw::ObjectRef ref, bool is_active_object);
void sync(const blender::draw::ObjectRef ref, bool is_active_object, bool is_active_edit_mode);
#endif
};
BLI_STATIC_ASSERT_ALIGN(ObjectInfos, 16)