1 files changed, 68 insertions, 0 deletions
diff --git a/src/platform/opengl/opengl_texture.h b/src/platform/opengl/opengl_texture.h
new file mode 100644
index 0000000..7aa87ea
--- /dev/null
+++ b/src/platform/opengl/opengl_texture.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include "rendering/texture.h"
+#include "core/log.h"
+
+#include <glad/glad.h>
+
+namespace Donut
+{
+    class OpenGLTexture2D 
+        : public Texture2D
+    {
+    public:
+        OpenGLTexture2D(uint32_t width, uint32_t height);
+        OpenGLTexture2D(const std::string& path);
+        virtual ~OpenGLTexture2D();
+
+        virtual auto get_width() const -> uint32_t override{ return m_width; }
+        virtual auto get_height() const -> uint32_t override{ return m_height; }
+        virtual auto get_renderer_id() const -> uint32_t override{ return m_renderer_id; }
+
+        virtual auto set_data(void* data, uint32_t size) -> void override;
+        virtual auto bind(uint32_t slot = 0) const -> void override;
+        virtual auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void override;
+
+        virtual bool operator==(const Texture& other) const override
+        {
+            return m_renderer_id == other.get_renderer_id();
+        }
+
+    private:
+        std::string m_path;
+        uint32_t    m_width, m_height;
+        uint32_t    m_renderer_id;
+        GLenum      m_internal_format, m_data_format;
+    };
+
+    class OpenGLCubemapTexture 
+        : public CubemapTexture
+    {
+    public:
+        OpenGLCubemapTexture(uint32_t width, uint32_t height);
+        OpenGLCubemapTexture(const std::string& path);
+        virtual ~OpenGLCubemapTexture();
+
+        virtual auto get_width() const -> uint32_t override{ return m_width; }
+        virtual auto get_height() const -> uint32_t override{ return m_height; }
+        virtual auto get_renderer_id() const -> uint32_t override{ return m_renderer_id; }
+
+        virtual auto set_data(void* data, uint32_t size) -> void override;
+        virtual auto bind(uint32_t slot = 0) const -> void override;
+        virtual auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void override;
+
+        virtual bool operator==(const Texture& other) const override
+        {
+            return m_renderer_id == other.get_renderer_id();
+        }
+
+    private:
+        void LoadHDRI(const std::string& path);
+        auto convert_equirectangular_to_cubemap(float* hdr_data, int width, int height) -> void;
+
+        std::string m_path;
+        uint32_t    m_width, m_height;
+        uint32_t    m_renderer_id;
+        GLenum      m_internal_format, m_data_format;
+    };
+}