5 files changed, 61 insertions, 11 deletions

diff --git a/assets/shaders/triangle.frag b/assets/shaders/triangle.frag
index a8c6e69..c3ff328 100644
--- a/assets/shaders/triangle.frag
+++ b/assets/shaders/triangle.frag
@@ -3,6 +3,4 @@
 layout(location = 0) in vec3 fragColor;
 layout(location = 0) out vec4 outColor;
 
-void main() {
-  outColor = vec4(fragColor, 0.0);
-}
+void main() { outColor = vec4(fragColor, 0.0); }
diff --git a/src/renderer/backends/backend_vulkan.c b/src/renderer/backends/backend_vulkan.c
index 3a9c4e1..1db9803 100644
--- a/src/renderer/backends/backend_vulkan.c
+++ b/src/renderer/backends/backend_vulkan.c
@@ -411,12 +411,13 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
                                                        frag_shader_stage_info };
 
   // TODO: Attributes
-  VkVertexInputAttributeDescription attribute_descs[2] = {0};
+  VkVertexInputAttributeDescription attribute_descs[2] = { 0 };
   /* u32 offset = 0; */
   /* for (u32 i = 0; i < description.vertex_desc.attributes_count; i++) { */
   /*   attribute_descs[i].binding = 0; */
   /*   attribute_descs[i].location = i; */
-  /*   attribute_descs[i].format = format_from_vertex_attr(description.vertex_desc.attributes[i]); */
+  /*   attribute_descs[i].format = format_from_vertex_attr(description.vertex_desc.attributes[i]);
+   */
   /*   attribute_descs[i].offset = offset; */
   /*     size_t this_offset = vertex_attrib_size(description.vertex_desc.attributes[i]); */
   /*   printf("offset total %d this attr %ld\n", offset, this_offset); */
@@ -428,12 +429,12 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
   attribute_descs[0].binding = 0;
   attribute_descs[0].location = 0;
   attribute_descs[0].format = VK_FORMAT_R32G32B32_SFLOAT;
-  attribute_descs[0].offset = 0; // offsetof(custom_vertex, pos);
+  attribute_descs[0].offset = 0;  // offsetof(custom_vertex, pos);
 
   attribute_descs[1].binding = 0;
   attribute_descs[1].location = 1;
   attribute_descs[1].format = VK_FORMAT_R32G32B32_SFLOAT;
-  attribute_descs[1].offset = 12; // offsetof(custom_vertex, color);
+  attribute_descs[1].offset = 12;  // offsetof(custom_vertex, color);
 
   // Vertex input
   // TODO: Generate this from descroiption now
@@ -447,7 +448,8 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
   };
   vertex_input_info.vertexBindingDescriptionCount = 1;
   vertex_input_info.pVertexBindingDescriptions = &binding_desc;
-  vertex_input_info.vertexAttributeDescriptionCount = 2; // description.vertex_desc.attributes_count;
+  vertex_input_info.vertexAttributeDescriptionCount =
+      2;  // description.vertex_desc.attributes_count;
   vertex_input_info.pVertexAttributeDescriptions = attribute_descs;
 
   // Input Assembly
@@ -628,7 +630,7 @@ gpu_pipeline* gpu_graphics_pipeline_create(struct graphics_pipeline_desc descrip
     VK_CHECK(vkCreateDescriptorSetLayout(context.device->logical_device, &desc_set_layout_info,
                                          context.allocator, &desc_set_layouts[i]));
   }
-    printf("Descriptor set layouts\n");
+  printf("Descriptor set layouts\n");
 
   // Layout
   VkPipelineLayoutCreateInfo pipeline_layout_create_info = {
diff --git a/src/renderer/ral.h b/src/renderer/ral.h
index 30d5413..ee65233 100644
--- a/src/renderer/ral.h
+++ b/src/renderer/ral.h
@@ -78,6 +78,11 @@ struct graphics_pipeline_desc {
 typedef struct gpu_renderpass_desc {
 } gpu_renderpass_desc;
 
+typedef struct resource_pools {
+ // TODO: buffer pool
+ // TODO: texture pool
+} resource_pools;
+
 // --- Lifecycle functions
 
 bool gpu_backend_init(const char* window_name, struct GLFWwindow* window);
diff --git a/src/std/mem.c b/src/std/mem.c
index 4886d72..7d768c9 100644
--- a/src/std/mem.c
+++ b/src/std/mem.c
@@ -8,6 +8,8 @@
 #define DEFAULT_ALIGNMENT (2 * sizeof(void*))
 #endif
 
+// --- Arena
+
 void* arena_alloc_align(arena* a, size_t size, size_t align) {
   ptrdiff_t padding = -(uintptr_t)a->curr & (align - 1);
   ptrdiff_t available = a->end - a->curr - padding;
@@ -38,4 +40,21 @@ arena_save arena_savepoint(arena* a) {
   return savept;
 }
 
-void arena_rewind(arena_save savepoint) { savepoint.arena->curr = savepoint.savepoint; }
\ No newline at end of file
+void arena_rewind(arena_save savepoint) { savepoint.arena->curr = savepoint.savepoint; }
+
+// --- Pool
+
+void_pool void_pool_create(arena* a, u64 capacity, u64 entry_size) {
+  size_t memory_requirements = capacity * entry_size;
+  void* backing_buf = arena_alloc(a, memory_requirements);
+
+  void_pool pool = { .capacity = capacity,
+                     .entry_size = entry_size,
+                     .count = 0,
+                     .backing_buffer = backing_buf,
+                     .free_list_head = NULL };
+
+  void_pool_free_all(&pool);
+
+  return pool;
+}
diff --git a/src/std/mem.h b/src/std/mem.h
index bbfb852..eef97a0 100644
--- a/src/std/mem.h
+++ b/src/std/mem.h
@@ -10,6 +10,9 @@
 #pragma once
 
 #include <stddef.h>
+#include "defines.h"
+
+// --- Arena
 
 // Inspired by https://nullprogram.com/blog/2023/09/27/
 typedef struct arena {
@@ -30,4 +33,27 @@ void arena_free_all(arena* a);
 void arena_free_storage(arena* a);
 arena_save arena_savepoint(arena* a);
 void arena_rewind(arena_save savepoint);
-// TODO: arena_resize
\ No newline at end of file
+// TODO: arena_resize
+
+// --- Pool
+
+typedef struct void_pool_header void_pool_header;
+struct void_pool_header {
+  void_pool_header* next;
+};
+
+typedef struct void_pool {
+  u64 capacity;
+  u64 entry_size;
+  u64 count;
+  void* backing_buffer;
+  void_pool_header* free_list_head;
+} void_pool;
+
+void_pool void_pool_create(arena* a, u64 capacity, u64 entry_size);
+void void_pool_free_all(void_pool* pool);
+bool void_pool_is_empty(void_pool* pool);
+bool void_pool_is_full(void_pool* pool);
+void* void_pool_get(u32 raw_handle);
+
+// TODO: macro that lets us specialise