1 files changed, 61 insertions, 0 deletions
diff --git a/src/render/pbr.h b/src/render/pbr.h
new file mode 100644
index 0000000..cbdc577
--- /dev/null
+++ b/src/render/pbr.h
@@ -0,0 +1,61 @@
+/**
+ * @file pbr.h
+ * @brief PBR render pass
+ */
+
+#pragma once
+#include "backend_opengl.h"
+#include "camera.h"
+#include "defines.h"
+#include "maths_types.h"
+#include "ral_types.h"
+#include "render_types.h"
+
+// --- Public API
+typedef struct PBR_Storage {
+  GPU_Renderpass* pbr_pass;
+  GPU_Pipeline* pbr_pipeline;
+
+} PBR_Storage;  // Stores all necessary data and handles
+
+typedef struct PBRMaterialUniforms {
+  Material mat;
+} PBRMaterialUniforms;
+
+PUB void PBR_Init(PBR_Storage* storage);
+
+// NOTE: For simplicity's sake we will render this pass directly to the default framebuffer
+PUB void PBR_Run(PBR_Storage* storage
+                 // light data
+                 // camera
+                 // geometry
+                 // materials
+);
+
+typedef struct PBR_Params {
+  Vec3 albedo;
+  f32 metallic;
+  f32 roughness;
+  f32 ambient_occlusion;
+} PBR_Params;
+
+typedef struct PBR_Textures {
+  TextureHandle albedo_map;
+  TextureHandle normal_map;
+  bool metal_roughness_combined;
+  TextureHandle metallic_map;
+  TextureHandle roughness_map;
+  TextureHandle ao_map;
+} PBR_Textures;
+
+PUB Material PBRMaterialDefault();
+PUB ShaderDataLayout PBRMaterial_GetLayout(void* data);
+
+// --- Internal
+
+GPU_Renderpass* PBR_RPassCreate();
+
+GPU_Pipeline* PBR_PipelineCreate(GPU_Renderpass* rpass);
+
+void PBR_Execute(PBR_Storage* storage, Camera camera, TextureHandle shadowmap_tex,
+                 RenderEnt* entities, size_t entity_count);