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Code Releases Wiki Activity

Improve behaviour of clip_children by clipping

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to parent alpha value, but still retaining
parent color
This commit is contained in:
clayjohn
2022-10-06 15:27:11 -07:00
parent 926429392a
commit 09b1a6f85f
4 changed files with 71 additions and 9 deletions
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37
servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
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@@ -1111,8 +1111,16 @@ void RendererCanvasRenderRD::_render_items(RID p_to_render_target, int p_item_co
RID material = ci->material_owner == nullptr ? ci->material : ci->material_owner->material;
if (material.is_null() && ci->canvas_group != nullptr) {
material = default_canvas_group_material;
if (ci->canvas_group != nullptr) {
if (ci->canvas_group->mode == RS::CANVAS_GROUP_MODE_OPAQUE) {
if (!p_to_backbuffer) {
material = default_clip_children_material;
}
} else {
if (material.is_null()) {
material = default_canvas_group_material;
}
}
}
if (material != prev_material) {
@@ -1437,10 +1445,10 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
_render_items(p_to_render_target, item_count, canvas_transform_inverse, p_light_list);
item_count = 0;
Rect2i group_rect = ci->canvas_group_owner->global_rect_cache;
if (ci->canvas_group_owner->canvas_group->mode == RS::CANVAS_GROUP_MODE_OPAQUE) {
Rect2i group_rect = ci->canvas_group_owner->global_rect_cache;
texture_storage->render_target_copy_to_back_buffer(p_to_render_target, group_rect, false);
items[item_count++] = ci->canvas_group_owner;
} else if (!backbuffer_cleared) {
texture_storage->render_target_clear_back_buffer(p_to_render_target, Rect2i(), Color(0, 0, 0, 0));
backbuffer_cleared = true;
@@ -2738,6 +2746,24 @@ void fragment() {
material_storage->material_set_shader(default_canvas_group_material, default_canvas_group_shader);
}
{
default_clip_children_shader = material_storage->shader_allocate();
material_storage->shader_initialize(default_clip_children_shader);
material_storage->shader_set_code(default_clip_children_shader, R"(
// Default clip children shader.
shader_type canvas_item;
void fragment() {
vec4 c = textureLod(SCREEN_TEXTURE, SCREEN_UV, 0.0);
COLOR.rgb = c.rgb;
}
)");
default_clip_children_material = material_storage->material_allocate();
material_storage->material_initialize(default_clip_children_material);
material_storage->material_set_shader(default_clip_children_material, default_clip_children_shader);
}
static_assert(sizeof(PushConstant) == 128);
}
@@ -2789,6 +2815,9 @@ RendererCanvasRenderRD::~RendererCanvasRenderRD() {
material_storage->material_free(default_canvas_group_material);
material_storage->shader_free(default_canvas_group_shader);
material_storage->material_free(default_clip_children_material);
material_storage->shader_free(default_clip_children_shader);
{
if (state.canvas_state_buffer.is_valid()) {
RD::get_singleton()->free(state.canvas_state_buffer);