initial commit-moved from vulkan_guide

src/core/vk_sampler_manager.cpp

@@ -0,0 +1,47 @@
+#include "vk_sampler_manager.h"
+#include "vk_device.h"
+
+void SamplerManager::init(DeviceManager *deviceManager)
+{
+    _deviceManager = deviceManager;
+
+    VkSamplerCreateInfo sampl{.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO};
+
+    // Sensible, cross-vendor defaults
+    sampl.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+    sampl.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+    sampl.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+    sampl.mipmapMode   = VK_SAMPLER_MIPMAP_MODE_LINEAR;
+    sampl.minLod       = 0.0f;
+    sampl.maxLod       = VK_LOD_CLAMP_NONE;
+    sampl.mipLodBias   = 0.0f;
+    sampl.anisotropyEnable = VK_FALSE; // set true + maxAnisotropy if feature enabled
+    sampl.borderColor  = VK_BORDER_COLOR_INT_OPAQUE_BLACK;
+    sampl.unnormalizedCoordinates = VK_FALSE;
+
+    // Nearest defaults
+    sampl.magFilter = VK_FILTER_NEAREST;
+    sampl.minFilter = VK_FILTER_NEAREST;
+    vkCreateSampler(_deviceManager->device(), &sampl, nullptr, &_defaultSamplerNearest);
+
+    // Linear defaults
+    sampl.magFilter = VK_FILTER_LINEAR;
+    sampl.minFilter = VK_FILTER_LINEAR;
+    vkCreateSampler(_deviceManager->device(), &sampl, nullptr, &_defaultSamplerLinear);
+}
+
+void SamplerManager::cleanup()
+{
+    if (!_deviceManager) return;
+
+    if (_defaultSamplerNearest)
+    {
+        vkDestroySampler(_deviceManager->device(), _defaultSamplerNearest, nullptr);
+        _defaultSamplerNearest = VK_NULL_HANDLE;
+    }
+    if (_defaultSamplerLinear)
+    {
+        vkDestroySampler(_deviceManager->device(), _defaultSamplerLinear, nullptr);
+        _defaultSamplerLinear = VK_NULL_HANDLE;
+    }
+}