feat: frame exporting

1 files changed, 35 insertions, 0 deletions

diff --git a/src/platform/opengl/opengl_framebuffer.h b/src/platform/opengl/opengl_framebuffer.h
new file mode 100644
index 0000000..7b07ddd
--- /dev/null
+++ b/src/platform/opengl/opengl_framebuffer.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include "rendering/framebuffer.h"
+
+namespace Donut
+{
+    class OpenGLFramebuffer : public Framebuffer
+    {
+    public:
+        OpenGLFramebuffer(const FramebufferSpecification& spec);
+        virtual ~OpenGLFramebuffer();
+
+        void invalidate();
+
+        virtual void bind()   override;
+        virtual void unbind() override;
+
+        virtual void resize(uint32_t width, uint32_t height)          override;
+        virtual int read_pixel(uint32_t attachment_index, int x, int y) override;
+
+        virtual void clear_attachment(uint32_t attachment_index, int value) override;
+        virtual uint32_t get_color_attachment_renderer_id(uint32_t index = 0) const override { return m_color_attachments[index]; }
+
+        virtual const FramebufferSpecification& get_specification() const override { return m_specification; }
+    private:
+        uint32_t m_renderer_id = 0;
+        FramebufferSpecification m_specification;
+
+        std::vector<FramebufferTextureSpecification> m_color_attachment_specifications;
+        FramebufferTextureSpecification m_depth_attachment_specification = FramebufferTextureFormat::None;
+
+        std::vector<uint32_t> m_color_attachments;
+        uint32_t m_depth_attachment = 0;
+    };
+};