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+# Rend 
+
+Send data to the GPU in a stable cross-platform and cross-graphics-API way. 
+
+Here's an example render loop used in my game! 
+
+```c
+        if (rend_renderer_frame_begin(renderer)) {
+
+            // First pass: draw to a texture representing the in-game pixel art dimentions.
+            rend_cmd_render_begin_texture(renderer, &canvas); { // brackets for style
+                rend_cmd_bind_pipeline(ui_pipeline);
+                rend_cmd_push_constants(ui_pipeline, &push_constants, sizeof(push_constants));
+                rend_cmd_draw(ui_pipeline, vert_count, 1); // a vertex buffer is not bound because it's passed via push constants
+            } rend_cmd_render_end_texture(renderer, &canvas);
+
+            // Second pass: apply post processing using the native swapchain
+            rend_cmd_render_begin(renderer, 1.0, 0.5, 0.0, 1.0); { // RGBA clear colors
+                rend_cmd_bind_pipeline(present_pipeline);
+                rend_cmd_push_constants(present_pipeline, &present_pc, sizeof(present_pc));
+                rend_cmd_draw(present_pipeline, 4, 1); // 4 vertices and one instance
+            } rend_cmd_render_end(renderer);
+
+            rend_renderer_frame_end(renderer, &delta);
+        }
+
+    }
+```