81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
#include "vendor.hpp"
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#include <cruft/json/tree.hpp>
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#include <cruft/util/std.hpp>
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#include <cruft/util/log.hpp>
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using cruft::vk::load::vendor;
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#define MAP_ICD_COMMANDS(FUNC,...) MAP0(FUNC,\
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vk_icdNegotiateLoaderICDInterfaceVersion,\
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vk_icdGetInstanceProcAddr,\
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vk_icdGetPhysicalDeviceProcAddr)
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///////////////////////////////////////////////////////////////////////////////
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template <>
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cruft::vk::load::icd_t
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json::tree::io<cruft::vk::load::icd_t>::deserialise (json::tree::node const &obj)
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{
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return {
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.file_format_version = obj["file_format_version"].as_string (),
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.icd = {
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.library_path = obj["ICD"]["library_path"].as_string ().native (),
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.api_version = obj["ICD"]["api_version"].as_string (),
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},
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};
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}
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///////////////////////////////////////////////////////////////////////////////
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vendor::vendor (icd_t const &_icd):
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vendor (cruft::library (_icd.icd.library_path))
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{ ; }
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//-----------------------------------------------------------------------------
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vendor::vendor (::cruft::library &&_library)
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: m_library (std::move (_library))
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{
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// Negotiate needs to be called before anything else. But we load all the
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// ICD calls at once for simplicity.
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#define GET(NAME) vtable.NAME = m_library.symbol<decltype(vtable.NAME)> (#NAME);
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MAP_ICD_COMMANDS (GET)
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#undef GET
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version = 2;
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switch (auto err = vtable.vk_icdNegotiateLoaderICDInterfaceVersion (&version); err) {
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case VK_ERROR_INCOMPATIBLE_DRIVER:
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static constexpr char incompatible_message[] = "Incompatible Vulkan ICD interface";
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LOG_ERROR ("%! %!", incompatible_message, version);
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throw std::runtime_error (incompatible_message);
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default:
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static constexpr char unknown_message[] = "Unknown Vulkan ICD interface response";
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LOG_ERROR (
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"%! %!",
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unknown_message,
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static_cast<std::underlying_type_t<decltype(err)>>(err)
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);
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throw std::runtime_error (unknown_message);
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case VK_SUCCESS:
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LOG_INFO ("vk::load version %!", version);
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break;
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}
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// Only load the instance table after we've queried all the icd functions.
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itable = {
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#define LOADFN(NAME) \
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.NAME = reinterpret_cast< \
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decltype(itable.NAME) \
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> ( \
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vtable.vk_icdGetInstanceProcAddr (nullptr, #NAME) \
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),
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MAP_INSTANCE_COMMANDS (LOADFN)
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};
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} |