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98 lines
3.6 KiB
98 lines
3.6 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Copyright © 2016 Jonathan Hale <squareys@googlemail.com> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "PhysicalDevice.h" |
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#include <vector> |
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#include <Corrade/Utility/Assert.h> |
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#include <Corrade/Utility/Debug.h> |
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namespace Magnum { namespace Vk { |
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PhysicalDevice::~PhysicalDevice() { |
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} |
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VkFormat PhysicalDevice::getSupportedDepthFormat() { |
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// Since all depth formats may be optional, we need to find a suitable depth format to use |
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// Start with the highest precision packed format |
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std::vector<VkFormat> depthFormats = { |
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VK_FORMAT_D32_SFLOAT_S8_UINT, |
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VK_FORMAT_D32_SFLOAT, |
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VK_FORMAT_D24_UNORM_S8_UINT, |
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VK_FORMAT_D16_UNORM_S8_UINT, |
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VK_FORMAT_D16_UNORM |
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}; |
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VkFormatProperties formatProps; |
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for(auto& format : depthFormats) { |
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vkGetPhysicalDeviceFormatProperties(_physicalDevice, format, &formatProps); |
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// Format must support depth stencil attachment for optimal tiling |
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if (formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) { |
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return format; |
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} |
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} |
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return VK_FORMAT_UNDEFINED; |
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} |
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UnsignedInt PhysicalDevice::getQueueFamilyIndex(QueueFamily family) { |
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// Find a queue that supports graphics |
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UnsignedInt queueCount; |
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vkGetPhysicalDeviceQueueFamilyProperties(_physicalDevice, &queueCount, nullptr); |
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if(queueCount <= 0) { // TODO I belive there allways is at least one queue of a certain specified type, lookup in spec |
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Error() << "Physical Device does not provide queues"; // TODO |
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} |
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std::vector<VkQueueFamilyProperties> queueProps; // TODO Use NoInit Containers::Array |
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queueProps.resize(queueCount); |
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vkGetPhysicalDeviceQueueFamilyProperties(_physicalDevice, &queueCount, queueProps.data()); |
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for(UnsignedInt i = 0; i < queueCount; ++i) { |
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if(queueProps[i].queueFlags & VkQueueFlags(family)) { |
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return i; |
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} |
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} |
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CORRADE_ASSERT(false, "The device does not support the given queue family.", -1); // TODO |
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} |
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UnsignedInt PhysicalDevice::getMemoryType(UnsignedInt typeBits, VkFlags properties) { |
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for (uint32_t i = 0; i < 32; i++) { |
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if((typeBits & 1) != 0) { |
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if((_deviceMemoryProperties.memoryTypes[i].propertyFlags & properties) == properties) { |
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return i; |
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} |
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} |
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typeBits >>= 1; |
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} |
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CORRADE_ASSERT(false, "Physical devices does not support memory with given properties.", -1); // TODO |
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} |
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}}
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