From 198004233b111334df7ca82954fe61a2a1ad3bd5 Mon Sep 17 00:00:00 2001
From: ladevieq <ladevie.quentin@gmail.com>
Date: Fri, 25 Dec 2020 00:55:10 +0100
Subject: Setup vulkan and vulkan loader

---
 src/vulkan-loader.cpp | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/vulkan-loader.cpp

(limited to 'src/vulkan-loader.cpp')

diff --git a/src/vulkan-loader.cpp b/src/vulkan-loader.cpp
new file mode 100644
index 0000000..32aa49b
--- /dev/null
+++ b/src/vulkan-loader.cpp
@@ -0,0 +1,90 @@
+#include "vulkan-loader.hpp"
+
+#include <iostream>
+
+#if defined(WINDOWS)
+HMODULE vulkanLibrary = LoadLibrary("vulkan-1.dll");
+
+#define LoadProcAddress GetProcAddress
+
+#elif defined(__linux__)
+#include <dlfcn.h>
+
+void *vulkanLibrary = dlopen( "libvulkan.so.1", RTLD_NOW );
+
+#define LoadProcAddress dlsym
+#endif
+
+#define X(name) PFN_##name name;
+    VULKAN_EXPORTED_FUNCTIONS
+    VULKAN_APPLICATION_FUNCTIONS
+    VULKAN_INSTANCE_FUNCTIONS
+    PLATFORM_VULKAN_INSTANCE_FUNCTIONS
+    VULKAN_DEVICE_FUNCTIONS
+#undef X
+
+#define X(name)                                                                     \
+void Load_##name()                                                              \
+{                                                                               \
+    name = reinterpret_cast<PFN_##name>(LoadProcAddress(vulkanLibrary, #name)); \
+    if (!name) {                                                                \
+        std::cout << "Cannot load vulkan function " << #name << std::endl;      \
+    }                                                                           \
+}
+VULKAN_EXPORTED_FUNCTIONS
+#undef X
+
+#define X(name)                                                                     \
+void Load_##name()                                                              \
+{                                                                               \
+    name = reinterpret_cast<PFN_##name>(vkGetInstanceProcAddr(nullptr, #name)); \
+    if (!name) {                                                                \
+        std::cout << "Cannot load vulkan function " << #name << std::endl;      \
+    }                                                                           \
+}
+VULKAN_APPLICATION_FUNCTIONS
+#undef X
+
+#define X(name)                                                                       \
+void Load_##name(VkInstance _instance)                                            \
+{                                                                                 \
+    name = reinterpret_cast<PFN_##name>(vkGetInstanceProcAddr(_instance, #name)); \
+    if (!name) {                                                                  \
+        std::cout << "Cannot load vulkan function " << #name << std::endl;        \
+    }                                                                             \
+}
+VULKAN_INSTANCE_FUNCTIONS
+PLATFORM_VULKAN_INSTANCE_FUNCTIONS
+#undef X
+
+#define X(name)                                                                   \
+void Load_##name(VkDevice _device)                                            \
+{                                                                             \
+    name = reinterpret_cast<PFN_##name>(vkGetDeviceProcAddr(_device, #name)); \
+    if (!name) {                                                              \
+        std::cout << "Cannot load vulkan function " << #name << std::endl;    \
+    }                                                                         \
+}
+VULKAN_DEVICE_FUNCTIONS
+#undef X
+
+void load_vulkan()
+{
+#define X(name) Load_##name();
+    VULKAN_EXPORTED_FUNCTIONS
+    VULKAN_APPLICATION_FUNCTIONS
+#undef X
+};
+
+void load_instance_functions(VkInstance instance) {
+#define X(name) Load_##name(instance);
+    VULKAN_INSTANCE_FUNCTIONS
+    PLATFORM_VULKAN_INSTANCE_FUNCTIONS
+#undef X
+}
+
+void load_device_functions(VkDevice device) {
+#define X(name) void Load_##name(VkDevice _device);
+    VULKAN_DEVICE_FUNCTIONS
+#undef X
+}
-- 
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