56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/* Copyright (c) 2019-2022, Arm Limited and Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 the "License";
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "scene_graph/components/image/stb.h"
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#define STB_IMAGE_IMPLEMENTATION
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#include <stb_image.h>
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namespace vkb
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{
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namespace sg
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{
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Stb::Stb(const std::string &name, const std::vector<uint8_t> &data, ContentType content_type) :
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Image{name}
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{
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int width;
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int height;
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int comp;
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int req_comp = 4;
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auto data_buffer = reinterpret_cast<const stbi_uc *>(data.data());
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auto data_size = static_cast<int>(data.size());
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auto raw_data = stbi_load_from_memory(data_buffer, data_size, &width, &height, &comp, req_comp);
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if (!raw_data)
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{
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throw std::runtime_error{"Failed to load " + name + ": " + stbi_failure_reason()};
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}
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set_data(raw_data, width * height * req_comp);
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stbi_image_free(raw_data);
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set_format(content_type == Color ? VK_FORMAT_R8G8B8A8_SRGB : VK_FORMAT_R8G8B8A8_UNORM);
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set_width(to_u32(width));
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set_height(to_u32(height));
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set_depth(1u);
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}
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} // namespace sg
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} // namespace vkb
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