67 lines
2.4 KiB
Plaintext
67 lines
2.4 KiB
Plaintext
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "MetalTextureCache.h"
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#include "Vulkan/Renderer.hpp"
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namespace OpenVulkano::Vulkan
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{
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void MetalTextureCache::Init(IRenderer* renderer)
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{
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if (m_resourceManager) Close();
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if (!renderer) return;
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m_renderer = dynamic_cast<Vulkan::Renderer*>(renderer);
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if (!m_renderer) throw std::invalid_argument("The Metal Texture Cache only supports Vulkan renderer!");
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// Setup texture cache
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VkExportMetalDeviceInfoEXT metalDeviceInfo {};
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metalDeviceInfo.sType = VK_STRUCTURE_TYPE_EXPORT_METAL_DEVICE_INFO_EXT;
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metalDeviceInfo.pNext = nullptr;
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VkExportMetalObjectsInfoEXT exportInfo { VK_STRUCTURE_TYPE_EXPORT_METAL_OBJECTS_INFO_EXT, &metalDeviceInfo };
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VkDevice vkDevice = m_renderer->GetContext().device->device;
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vkExportMetalObjectsEXT(vkDevice, &exportInfo);
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CVReturn result = CVMetalTextureCacheCreate(nil, nil, metalDeviceInfo.mtlDevice, nil, &m_textureCache);
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if (result != kCVReturnSuccess)
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{
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Logger::AR->error("Failed to create metal texture cache! Status code: {}", result);
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}
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m_resourceManager = &m_renderer->GetResourceManager();
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m_renderer->OnClose += EventHandler(this, &MetalTextureCache::Close);
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}
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Scene::Texture* MetalTextureCache::Get(CVPixelBufferRef pixelBuffer, MTLPixelFormat pixelFormat)
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{
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CVMetalTextureRef mtlTextureRef;
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auto width = CVPixelBufferGetWidthOfPlane(pixelBuffer, 0);
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auto height = CVPixelBufferGetHeightOfPlane(pixelBuffer, 0);
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//TODO check pixel format from buffer?
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CVMetalTextureCacheCreateTextureFromImage(nil, m_textureCache, pixelBuffer, nil, pixelFormat, width, height, 0, &mtlTextureRef);
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id<MTLTexture> mtlTexture = CVMetalTextureGetTexture(mtlTextureRef);
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CVBufferRelease(mtlTextureRef);
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MetalBackedTexture& texture = m_mtlToVkTextureMap[static_cast<void*>(mtlTexture)];
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if (!texture)
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{ // Init texture
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texture.Init(m_resourceManager, mtlTexture, false);
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Logger::RENDER->info("Metal Texture Cache grew to: {}", m_mtlToVkTextureMap.size());
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}
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return &texture;
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}
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void MetalTextureCache::ReturnTexture(Scene::Texture* texture)
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{
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}
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void MetalTextureCache::Close()
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{
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m_mtlToVkTextureMap.clear();
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if (m_eventHandler) m_eventHandler->SetInvalid();
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m_renderer = nullptr;
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m_resourceManager = nullptr;
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//TODO delete the texture cache object?
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m_textureCache = nullptr;
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}
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}
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