From 45baf48db974c66cfdc51f26cee191abbbd89a0b Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Thu, 20 Aug 2026 22:20:49 +0200
Subject: [feat]: reduce renderer abstraction

---
 src/rendering/texture.h | 57 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 49 insertions(+), 8 deletions(-)

(limited to 'src/rendering/texture.h')

diff --git a/src/rendering/texture.h b/src/rendering/texture.h
index e9b3e0a..5f68c78 100644
--- a/src/rendering/texture.h
+++ b/src/rendering/texture.h
@@ -3,6 +3,7 @@
 #include "core/memory.h"
 
 #include <string>
+#include <cstdint>
 #include <glm/glm.hpp>
 
 namespace Donut
@@ -18,25 +19,65 @@ namespace Donut
 
         virtual auto set_data(void* data, uint32_t size) -> void = 0;
         virtual auto bind(uint32_t slot = 0) const -> void = 0;
-        virtual void bind_as_image(uint32_t slot = 0, 
-                                 bool read_only = false) const = 0;
+        virtual auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void = 0;
 
-        virtual bool operator==(const Texture& other)   const = 0;
+        virtual auto operator==(const Texture& other) const -> bool = 0;
     };
 
-    class Texture2D
-        : public Texture
+    class Texture2D : public Texture
     {
     public:
+        Texture2D(uint32_t width, uint32_t height);
+        Texture2D(const std::string& path);
+        ~Texture2D();
+
+        auto get_width() const -> uint32_t override { return m_width; }
+        auto get_height() const -> uint32_t override { return m_height; }
+        auto get_renderer_id() const -> uint32_t override { return m_renderer_id; }
+
+        auto set_data(void* data, uint32_t size) -> void override;
+        auto bind(uint32_t slot = 0) const -> void override;
+        auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void override;
+
+        auto operator==(const Texture& other) const -> bool override { return m_renderer_id == other.get_renderer_id(); }
+
         static auto create(uint32_t width, uint32_t height) -> Ref<Texture2D>;
         static auto create(const std::string& path) -> Ref<Texture2D>;
+
+    private:
+        std::string m_path;
+        uint32_t    m_width = 0, m_height = 0;
+        uint32_t    m_renderer_id = 0;
+        uint32_t    m_internal_format = 0, m_data_format = 0; // GLenum values
     };
 
-    class CubemapTexture
-        : public Texture
+    class CubemapTexture : public Texture
     {
     public:
+        CubemapTexture(uint32_t width, uint32_t height);
+        CubemapTexture(const std::string& path);
+        ~CubemapTexture();
+
+        auto get_width() const -> uint32_t override { return m_width; }
+        auto get_height() const -> uint32_t override { return m_height; }
+        auto get_renderer_id() const -> uint32_t override { return m_renderer_id; }
+
+        auto set_data(void* data, uint32_t size) -> void override;
+        auto bind(uint32_t slot = 0) const -> void override;
+        auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void override;
+
+        auto operator==(const Texture& other) const -> bool override { return m_renderer_id == other.get_renderer_id(); }
+
         static auto create(uint32_t width, uint32_t height) -> Ref<CubemapTexture>;
         static auto create_from_hdri(const std::string& path) -> Ref<CubemapTexture>;
+
+    private:
+        auto LoadHDRI(const std::string& path) -> void;
+        auto convert_equirectangular_to_cubemap(float* hdr_data, int width, int height) -> void;
+
+        std::string m_path;
+        uint32_t    m_width = 0, m_height = 0;
+        uint32_t    m_renderer_id = 0;
+        uint32_t    m_internal_format = 0, m_data_format = 0; // GLenum values
     };
-};
\ No newline at end of file
+};
-- 
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