d3d9extern.dll

Allows for drawing text and images onto a D3D9Device. (Soon also videos I hope!)

Depending on DirectX SDK June 2010, DirectShow and some other libs from Microsoft

The Video Player does NOT work yet!

Use case

This is primarily intended to be used with GML, but I'm sure it can be used for any DX9 game with some tinkering.

Performance (in GMS 1.4)

• Worse than expected.
• Done in VM mode.
• YYC may speed up invoking DLL calls, but also normal function calls.

First test

Measuring time with GMSs get_timer()/1000 after each draw_sprite() (GML) and dx9_draw_image()

• Both draw the same image to the same position

GML-VM: ~0.01 milliseconds

DX9-DLL: 0.029 milliseconds

Second test (masstest)

Measuring the same way, but this time with a for loop doing 1 million iterations of drawing the same image

• The DLL already contains a for-loop to eliminate the reoccurance of invoking the DLL function every time

GML-VM: ~1400 milliseconds

DX9-DLL: ~3400 milliseconds

Results

Result of these tests is: GM's drawing is more optimized than my janky DLL, even though both use DX9.

I will try doing more advanced stuff with this DLL that native GML2016 drawing doesn't support, maybe even video playing?