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add resize implementation on Linux and texture/render target destruction etc

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This commit is contained in:
Nick Fisher
2022-12-14 14:48:45 +08:00
parent f271c64432
commit 89fde4ff3d
4 changed files with 66 additions and 20 deletions
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47
linux/polyvox_filament_plugin.cc
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@@ -38,9 +38,11 @@ struct _PolyvoxFilamentPlugin {
GObject parent_instance;
FlTextureRegistrar* texture_registrar;
FlView* fl_view;
FlTexture* texture;
void* _viewer;
double width;
double height;
};
G_DEFINE_TYPE(PolyvoxFilamentPlugin, polyvox_filament_plugin, g_object_get_type())
@@ -72,7 +74,9 @@ static FlMethodResponse* _initialize(PolyvoxFilamentPlugin* self, FlMethodCall*
const double width = fl_value_get_float(fl_value_get_list_value(args, 0));
const double height = fl_value_get_float(fl_value_get_list_value(args, 1));
self->width = width;
self->height = height;
auto texture = create_filament_texture(uint32_t(width), uint32_t(height), self->texture_registrar);
//auto texture = create_filament_pb_texture(uint32_t(width), uint32_t(height), self->texture_registrar);
self->texture = texture;
@@ -364,6 +368,37 @@ static FlMethodResponse* _get_target_names(PolyvoxFilamentPlugin* self, FlMethod
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
// TODO - defer the destruction of the old texture until this call has returned
// otherwise the front-end may render using the destroyed texture ID for a single frame (hopefully no more)
static FlMethodResponse* _resize(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
FlValue* args = fl_method_call_get_args(method_call);
const double width = fl_value_get_float(fl_value_get_list_value(args, 0));
const double height = fl_value_get_float(fl_value_get_list_value(args, 1));
if(width != self->width || height != self->height) {
destroy_swap_chain(self->_viewer);
destroy_filament_texture(self->texture, self->texture_registrar);
self->texture = create_filament_texture(uint32_t(width), uint32_t(height), self->texture_registrar);
create_swap_chain(self->_viewer, nullptr, width, height);
create_render_target(self->_viewer, ((FilamentTextureGL*)self->texture)->texture_id,width,height);
update_viewport_and_camera_projection(self->_viewer, width, height, 1.0f);
std::cout << "Created new texture " << self->texture << std::endl;
}
g_autoptr(FlValue) result =
fl_value_new_int(reinterpret_cast<int64_t>(self->texture));
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
// Called when a method call is received from Flutter.
static void polyvox_filament_plugin_handle_method_call(
PolyvoxFilamentPlugin* self,
@@ -380,13 +415,7 @@ static void polyvox_filament_plugin_handle_method_call(
} else if(strcmp(method, "removeSkybox") == 0) {
response = _removeSkybox(self, method_call);
} else if(strcmp(method, "resize") == 0) {
// val args = call.arguments as ArrayList<Int>
// val width = args[0]
// val height = args[1]
// val scale = if(args.size > 2) (args[2] as Double).toFloat() else 1.0f
// surfaceTexture!!.setDefaultBufferSize(width, height)
// _lib.update_viewport_and_camera_projection(_viewer!!, width, height, scale);
// result.success(null)
response = _resize(self, method_call);
} else if(strcmp(method, "render") == 0) {
render(self->_viewer, 0);
g_autoptr(FlValue) result = fl_value_new_string("OK");