1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #include "camera.h" 16 17 #include <scene/ext/intf_render_resource.h> 18 19 #include <3d/ecs/components/camera_component.h> 20 #include <3d/ecs/components/render_handle_component.h> 21 #include <render/device/gpu_resource_desc.h> 22 #include <render/device/intf_gpu_resource_manager.h> 23 24 #include "util.h" 25 SCENE_BEGIN_NAMESPACE()26SCENE_BEGIN_NAMESPACE() 27 bool UpdateCameraRenderTarget(const IEcsObject::Ptr& camera, const IRenderTarget::Ptr& target) 28 { 29 if (auto ecs = GetEcs(camera)) { 30 CORE_NS::EntityReference ent; 31 BASE_NS::Math::UVec2 size; 32 if (target) { 33 ent = HandleFromRenderResource(camera->GetScene(), target->GetRenderHandle()); 34 if (ent) { 35 size = target->Size()->GetValue(); 36 } 37 } 38 bool changed = false; 39 bool success = false; 40 if (auto c = GetScopedHandle<const CORE3D_NS::CameraComponent>(camera)) { 41 changed = changed || c->renderResolution[0] != size.x; 42 changed = changed || c->renderResolution[1] != size.y; 43 if ((ent && c->customColorTargets.empty()) || 44 (!c->customColorTargets.empty() && c->customColorTargets[0] != ent)) { 45 changed = true; 46 } 47 success = true; 48 } 49 if (changed) { 50 if (auto c = GetScopedHandle<CORE3D_NS::CameraComponent>(camera)) { 51 if (ent) { 52 c->renderResolution[0] = static_cast<float>(size.x); 53 c->renderResolution[1] = static_cast<float>(size.y); 54 c->customColorTargets = { ent }; 55 } else { 56 c->renderResolution[0] = 0.0; 57 c->renderResolution[1] = 0.0; 58 c->customColorTargets = {}; 59 } 60 } 61 } 62 return success; 63 } 64 CORE_LOG_W("Failed to set camera render target"); 65 return false; 66 } 67 SCENE_END_NAMESPACE() 68