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Rework viewport capture in preview generation

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This commit is contained in:
Pedro J. Estébanez 2024-02-21 10:44:21 +01:00
parent fb10e67fef
commit 91f0a65fc9
4 changed files with 49 additions and 56 deletions
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31
editor/editor_resource_preview.cpp
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@ -95,8 +95,35 @@ void EditorResourcePreviewGenerator::_bind_methods() {
EditorResourcePreviewGenerator::EditorResourcePreviewGenerator() {
}
void EditorResourcePreviewGenerator::DrawRequester::request_and_wait(RID p_viewport) const {
if (EditorResourcePreview::get_singleton()->is_threaded()) {
Callable request_vp_update_once = callable_mp(RS::get_singleton(), &RS::viewport_set_update_mode).bind(p_viewport, RS::VIEWPORT_UPDATE_ONCE);
RS::get_singleton()->connect(SNAME("frame_pre_draw"), request_vp_update_once, Object::CONNECT_ONE_SHOT);
RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorResourcePreviewGenerator::DrawRequester *>(this), &EditorResourcePreviewGenerator::DrawRequester::_post_semaphore));
semaphore.wait();
} else {
RS::get_singleton()->draw(false);
}
}
void EditorResourcePreviewGenerator::DrawRequester::abort() const {
if (EditorResourcePreview::get_singleton()->is_threaded()) {
semaphore.post();
}
}
Variant EditorResourcePreviewGenerator::DrawRequester::_post_semaphore() const {
semaphore.post();
return Variant(); // Needed because of how the callback is used.
}
EditorResourcePreview *EditorResourcePreview::singleton = nullptr;
bool EditorResourcePreview::is_threaded() const {
return RSG::texture_storage->can_create_resources_async();
}
void EditorResourcePreview::_thread_func(void *ud) {
EditorResourcePreview *erp = (EditorResourcePreview *)ud;
erp->_thread();
@ -470,7 +497,7 @@ void EditorResourcePreview::start() {
return;
}
if (RSG::texture_storage->can_create_resources_async()) {
if (is_threaded()) {
ERR_FAIL_COND_MSG(thread.is_started(), "Thread already started.");
thread.start(_thread_func, this);
} else {
@ -481,7 +508,7 @@ void EditorResourcePreview::start() {
}
void EditorResourcePreview::stop() {
if (RSG::texture_storage->can_create_resources_async()) {
if (is_threaded()) {
if (thread.is_started()) {
exiting.set();
preview_sem.post();

11
editor/editor_resource_preview.h
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@ -51,6 +51,16 @@ protected:
GDVIRTUAL0RC(bool, _generate_small_preview_automatically)
GDVIRTUAL0RC(bool, _can_generate_small_preview)
class DrawRequester : public Object {
Semaphore semaphore;
Variant _post_semaphore() const;
public:
void request_and_wait(RID p_viewport) const;
void abort() const;
};
public:
virtual bool handles(const String &p_type) const;
virtual Ref<Texture2D> generate(const Ref<Resource> &p_from, const Size2 &p_size, Dictionary &p_metadata) const;
@ -132,6 +142,7 @@ public:
void start();
void stop();
bool is_threaded() const;
EditorResourcePreview();
~EditorResourcePreview();

48
editor/plugins/editor_preview_plugins.cpp
View File

@ -285,18 +285,8 @@ EditorPackedScenePreviewPlugin::EditorPackedScenePreviewPlugin() {
//////////////////////////////////////////////////////////////////
void EditorMaterialPreviewPlugin::_generate_frame_started() {
RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_ONCE); //once used for capture
RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorMaterialPreviewPlugin *>(this), &EditorMaterialPreviewPlugin::_preview_done));
}
void EditorMaterialPreviewPlugin::_preview_done() {
preview_done.post();
}
void EditorMaterialPreviewPlugin::abort() {
preview_done.post();
draw_requester.abort();
}
bool EditorMaterialPreviewPlugin::handles(const String &p_type) const {
@ -314,9 +304,7 @@ Ref<Texture2D> EditorMaterialPreviewPlugin::generate(const Ref<Resource> &p_from
if (material->get_shader_mode() == Shader::MODE_SPATIAL) {
RS::get_singleton()->mesh_surface_set_material(sphere, 0, material->get_rid());
RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<EditorMaterialPreviewPlugin *>(this), &EditorMaterialPreviewPlugin::_generate_frame_started), Object::CONNECT_ONE_SHOT);
preview_done.wait();
draw_requester.request_and_wait(viewport);
Ref<Image> img = RS::get_singleton()->texture_2d_get(viewport_texture);
RS::get_singleton()->mesh_surface_set_material(sphere, 0, RID());
@ -701,18 +689,8 @@ EditorAudioStreamPreviewPlugin::EditorAudioStreamPreviewPlugin() {
///////////////////////////////////////////////////////////////////////////
void EditorMeshPreviewPlugin::_generate_frame_started() {
RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_ONCE); //once used for capture
RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorMeshPreviewPlugin *>(this), &EditorMeshPreviewPlugin::_preview_done));
}
void EditorMeshPreviewPlugin::_preview_done() {
preview_done.post();
}
void EditorMeshPreviewPlugin::abort() {
preview_done.post();
draw_requester.abort();
}
bool EditorMeshPreviewPlugin::handles(const String &p_type) const {
@ -743,9 +721,7 @@ Ref<Texture2D> EditorMeshPreviewPlugin::generate(const Ref<Resource> &p_from, co
xform.origin.z -= rot_aabb.size.z * 2;
RS::get_singleton()->instance_set_transform(mesh_instance, xform);
RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<EditorMeshPreviewPlugin *>(this), &EditorMeshPreviewPlugin::_generate_frame_started), Object::CONNECT_ONE_SHOT);
preview_done.wait();
draw_requester.request_and_wait(viewport);
Ref<Image> img = RS::get_singleton()->texture_2d_get(viewport_texture);
ERR_FAIL_COND_V(img.is_null(), Ref<ImageTexture>());
@ -822,18 +798,8 @@ EditorMeshPreviewPlugin::~EditorMeshPreviewPlugin() {
///////////////////////////////////////////////////////////////////////////
void EditorFontPreviewPlugin::_generate_frame_started() {
RS::get_singleton()->viewport_set_update_mode(viewport, RS::VIEWPORT_UPDATE_ONCE); //once used for capture
RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<EditorFontPreviewPlugin *>(this), &EditorFontPreviewPlugin::_preview_done));
}
void EditorFontPreviewPlugin::_preview_done() {
preview_done.post();
}
void EditorFontPreviewPlugin::abort() {
preview_done.post();
draw_requester.abort();
}
bool EditorFontPreviewPlugin::handles(const String &p_type) const {
@ -865,9 +831,7 @@ Ref<Texture2D> EditorFontPreviewPlugin::generate_from_path(const String &p_path,
const float fg = c.get_luminance() < 0.5 ? 1.0 : 0.0;
sampled_font->draw_string(canvas_item, pos, sample, HORIZONTAL_ALIGNMENT_LEFT, -1.f, 50, Color(fg, fg, fg));
RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<EditorFontPreviewPlugin *>(this), &EditorFontPreviewPlugin::_generate_frame_started), Object::CONNECT_ONE_SHOT);
preview_done.wait();
draw_requester.request_and_wait(viewport);
RS::get_singleton()->canvas_item_clear(canvas_item);

15
editor/plugins/editor_preview_plugins.h
View File

@ -96,10 +96,7 @@ class EditorMaterialPreviewPlugin : public EditorResourcePreviewGenerator {
RID light_instance2;
RID camera;
RID camera_attributes;
Semaphore preview_done;
void _generate_frame_started();
void _preview_done();
DrawRequester draw_requester;
public:
virtual bool handles(const String &p_type) const override;
@ -147,10 +144,7 @@ class EditorMeshPreviewPlugin : public EditorResourcePreviewGenerator {
RID light_instance2;
RID camera;
RID camera_attributes;
Semaphore preview_done;
void _generate_frame_started();
void _preview_done();
DrawRequester draw_requester;
public:
virtual bool handles(const String &p_type) const override;
@ -168,10 +162,7 @@ class EditorFontPreviewPlugin : public EditorResourcePreviewGenerator {
RID viewport_texture;
RID canvas;
RID canvas_item;
Semaphore preview_done;
void _generate_frame_started();
void _preview_done();
DrawRequester draw_requester;
public:
virtual bool handles(const String &p_type) const override;