frame buffer

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.25)
 
-set(BLT_GRAPHICS_VERSION 0.9.12)
+set(BLT_GRAPHICS_VERSION 0.9.13)
 set(BLT_GRAPHICS_TEST_VERSION 0.0.1)
 
 project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION})

include/blt/gfx/framebuffer.h

@@ -19,9 +19,32 @@
 #ifndef BLT_WITH_GRAPHICS_FRAMEBUFFER_H
 #define BLT_WITH_GRAPHICS_FRAMEBUFFER_H
 
+#include "blt/gfx/gl_includes.h"
+
 namespace blt::gfx
 {
+    class fbo_t
+    {
+        public:
+            enum class fbo_draw_t : GLuint
+            {
+                DRAW = GL_DRAW_FRAMEBUFFER,
+                READ = GL_READ_FRAMEBUFFER,
+                BOTH = GL_FRAMEBUFFER
+            };
+        private:
+            GLuint fboID;
+        public:
+            void create();
             
+            void bind(fbo_draw_t type = fbo_draw_t::BOTH) const;
+            
+            bool validate();
+            
+            static void unbind();
+            
+            void destroy();
+    };
 }
 
 #endif //BLT_WITH_GRAPHICS_FRAMEBUFFER_H

src/blt/gfx/framebuffer.cpp

@@ -19,4 +19,28 @@
 namespace blt::gfx
 {
     
+    void fbo_t::create()
+    {
+        glGenFramebuffers(1, &fboID);
+    }
+    
+    void fbo_t::bind(fbo_draw_t type) const
+    {
+        glBindFramebuffer(static_cast<GLuint>(type), fboID);
+    }
+    
+    void fbo_t::unbind()
+    {
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
+    }
+    
+    void fbo_t::destroy()
+    {
+    
+    }
+    
+    bool fbo_t::validate()
+    {
+        return glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE;
+    }
 }