1 files changed, 70 insertions, 0 deletions
diff --git a/archive/src/ral/ral_common.c b/archive/src/ral/ral_common.c
new file mode 100644
index 0000000..d921ac4
--- /dev/null
+++ b/archive/src/ral/ral_common.c
@@ -0,0 +1,70 @@
+#include "ral_common.h"
+#include "ral_impl.h"
+
+void BackendPools_Init(arena* a, GPU_BackendPools* backend_pools) {
+  PipelineLayout_pool pipeline_layout_pool =
+      PipelineLayout_pool_create(a, MAX_PIPELINES, sizeof(GPU_PipelineLayout));
+  backend_pools->pipeline_layouts = pipeline_layout_pool;
+  Pipeline_pool pipeline_pool = Pipeline_pool_create(a, MAX_PIPELINES, sizeof(GPU_Pipeline));
+  backend_pools->pipelines = pipeline_pool;
+  Renderpass_pool rpass_pool = Renderpass_pool_create(a, MAX_RENDERPASSES, sizeof(GPU_Renderpass));
+  backend_pools->renderpasses = rpass_pool;
+}
+
+void ResourcePools_Init(arena* a, struct ResourcePools* res_pools) {
+  Buffer_pool buf_pool = Buffer_pool_create(a, MAX_BUFFERS, sizeof(GPU_Buffer));
+  res_pools->buffers = buf_pool;
+  Texture_pool tex_pool = Texture_pool_create(a, MAX_TEXTURES, sizeof(GPU_Texture));
+  res_pools->textures = tex_pool;
+}
+
+VertexDescription static_3d_vertex_description() {
+  VertexDescription builder = { .debug_label = "Standard static 3d vertex format" };
+  VertexDesc_AddAttr(&builder, "inPosition", ATTR_F32x3);
+  VertexDesc_AddAttr(&builder, "inNormal", ATTR_F32x3);
+  VertexDesc_AddAttr(&builder, "inTexCoords", ATTR_F32x2);
+  builder.use_full_vertex_size = true;
+  return builder;
+}
+
+void VertexDesc_AddAttr(VertexDescription* builder, const char* name, VertexAttribType type) {
+  u32 i = builder->attributes_count;
+
+  size_t size = VertexAttribSize(type);
+  builder->attributes[i] = type;
+  // builder->stride += size;
+  builder->attr_names[i] = name;
+
+  builder->attributes_count++;
+}
+
+size_t VertexAttribSize(VertexAttribType attr) {
+  switch (attr) {
+    case ATTR_F32:
+    case ATTR_U32:
+    case ATTR_I32:
+      return 4;
+    case ATTR_F32x2:
+    case ATTR_U32x2:
+    case ATTR_I32x2:
+      return 8;
+    case ATTR_F32x3:
+    case ATTR_U32x3:
+    case ATTR_I32x3:
+      return 12;
+    case ATTR_F32x4:
+    case ATTR_U32x4:
+    case ATTR_I32x4:
+      return 16;
+      break;
+  }
+}
+
+size_t VertexDesc_CalcStride(VertexDescription* desc) {
+  size_t stride = 0;
+  for (int i = 0; i < desc->attributes_count; i++) {
+    size_t size = VertexAttribSize(desc->attributes[i]);
+    stride += size;
+  }
+  return stride;
+}