1 files changed, 33 insertions, 0 deletions
diff --git a/src/ui/image_renderer.h b/src/ui/image_renderer.h
new file mode 100644
index 0000000..3f4c129
--- /dev/null
+++ b/src/ui/image_renderer.h
@@ -0,0 +1,33 @@
+#pragma once
+
+namespace Hsdbg
+{
+    class ImageRenderer
+    {
+    public:
+        ImageRenderer() = default;
+        ~ImageRenderer();
+
+        ImageRenderer(const ImageRenderer&) = delete;
+        ImageRenderer(ImageRenderer&&) = delete;
+        auto operator=(const ImageRenderer&) -> ImageRenderer& = delete;
+        auto operator=(ImageRenderer&&) -> ImageRenderer& = delete;
+
+        auto init() -> bool;
+        auto shutdown() -> void;
+
+        auto ready() const -> bool { return m_program != 0; }
+
+        // draws the texture into the given rectangle, in framebuffer pixels with
+        // the origin at the top-left, blended over whatever is already there
+        auto draw(unsigned int texture,
+                  float x0, float y0, float x1, float y1,
+                  int framebuffer_width, int framebuffer_height) -> void;
+
+    private:
+        unsigned int m_program = 0;
+        unsigned int m_vao = 0;
+        unsigned int m_vbo = 0;
+        int m_texture_uniform = -1;
+    };
+}