[WIP] Continue working on pipeline

graphics/src/descriptor_builder.h

@@ -12,6 +12,32 @@
 #ifndef DESCRIPTOR_BUILDER_H
 #define DESCRIPTOR_BUILDER_H
 
-struct descriptors_list_t;
+struct descriptor_set_handle_t;
+struct descriptor_set_list_t;
 
-#endif // !DESCRIPTOR_BUILDER_H
+/**
+ * @brief Add descriptor set to provided list
+ *
+ * @param descriptor_set_list List to be filled
+ * @param binding Descriptors binding
+ * @param type Type of descriptors
+ * @param descriptor_count Number of descriptors in this set
+ * @param shader_stages In what stages this descriptors will be used
+ * @param sampler If descriptor set is a sampler, provide it here
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success, error code on failure
+ */
+rse_err_t descriptor_add_set(struct descriptor_set_list_t* descriptor_set_list, uint32_t binding, VkDescriptorType type,
+                             uint32_t descriptor_count, VkShaderStageFlags shader_stages, VkSampler sampler);
+
+/**
+ * @brief Allocate descriptor sets from provided list. The data will be stored in opaque descriptor handle
+ *
+ * @param context Graphics context
+ * @param descriptors List of descriptors to build descriptor handle from.
+ * @param descriptor_set_handle Opaque descriptor handle object.
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success, error code on failure
+ */
+rse_err_t descriptors_build(struct graphics_context_t* context, struct descriptor_set_list_t* descriptors,
+                            struct descriptor_set_handle_t* descriptor_set_handle);
+
+#endif  // !DESCRIPTOR_BUILDER_H