initial commit-moved from vulkan_guide

src/render/vk_materials.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <core/vk_types.h>
+#include <core/vk_descriptors.h>
+
+class VulkanEngine;
+
+struct GLTFMetallic_Roughness
+{
+    MaterialPipeline opaquePipeline;
+    MaterialPipeline transparentPipeline;
+    MaterialPipeline gBufferPipeline;
+
+    VkDescriptorSetLayout materialLayout;
+
+    struct MaterialConstants
+    {
+        glm::vec4 colorFactors;
+        glm::vec4 metal_rough_factors;
+
+        glm::vec4 extra[14];
+    };
+
+    struct MaterialResources
+    {
+        AllocatedImage colorImage;
+        VkSampler colorSampler;
+        AllocatedImage metalRoughImage;
+        VkSampler metalRoughSampler;
+        VkBuffer dataBuffer;
+        uint32_t dataBufferOffset;
+    };
+
+    DescriptorWriter writer;
+
+    void build_pipelines(VulkanEngine *engine);
+
+    void clear_resources(VkDevice device) const;
+
+    MaterialInstance write_material(VkDevice device, MaterialPass pass, const MaterialResources &resources,
+                                    DescriptorAllocatorGrowable &descriptorAllocator);
+};