libcruft-vk/physical_device.cpp

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright:
 *      2016, Danny Robson <danny@nerdcruft.net>
 */

#include "./physical_device.hpp"

#include "./except.hpp"

using cruft::vk::physical_device;


///////////////////////////////////////////////////////////////////////////////
std::set<std::string>
physical_device::extensions (void) const
{
    uint32_t expected = 0;
    error::try_code (vkEnumerateDeviceExtensionProperties (id (), nullptr, &expected, nullptr));

    VkExtensionProperties props[expected];
    uint32_t found = expected;
    error::try_code (vkEnumerateDeviceExtensionProperties (id (), nullptr, &found, props));

    std::set<std::string> ext;
    for (const auto &i: props)
        ext.insert (i.extensionName);
    return ext;
}

///////////////////////////////////////////////////////////////////////////////
VkPhysicalDeviceProperties
physical_device::properties (void) const
{
    VkPhysicalDeviceProperties props;
    vkGetPhysicalDeviceProperties (id (), &props);
    return props;
}


//-----------------------------------------------------------------------------
VkPhysicalDeviceFeatures
physical_device::features (void) const
{
    VkPhysicalDeviceFeatures feat;
    vkGetPhysicalDeviceFeatures (id (), &feat);
    return feat;
}


//-----------------------------------------------------------------------------
VkSurfaceCapabilitiesKHR
physical_device::surface_capabilities (VkSurfaceKHR surface) const
{
    VkSurfaceCapabilitiesKHR value;
    error::try_func (
        &vkGetPhysicalDeviceSurfaceCapabilitiesKHR, id (), surface, &value
    );

    return value;
}


///////////////////////////////////////////////////////////////////////////////
std::vector<VkQueueFamilyProperties>
physical_device::queue_families (void) const
{
    uint32_t count = 0;
    vkGetPhysicalDeviceQueueFamilyProperties (id (), &count, nullptr);

    std::vector<VkQueueFamilyProperties> values (count);
    vkGetPhysicalDeviceQueueFamilyProperties (id (), &count, values.data ());

    values.resize (count);
    return values;
}


///////////////////////////////////////////////////////////////////////////////
std::string
physical_device::name (void) const
{
    return properties ().deviceName;
}