OpenGL-Backend.md

@@ -60,11 +60,11 @@ Draws a 2D line to the screen. (Used for drawing the devmode map?)
 
 - `void DrawPolygon (FSurfaceInfo *pSurf, FOutVector *pOutVerts, FUINT iNumPts, FBITFIELD PolyFlags)`
 
-Draws a 3D triangle fan to the screen with properties from `PolyFlags`. The vertex data is in `pOutVerts` and `iNumPts` contains the number of vertices.
+Draws a 3D triangle fan to the screen with properties from `pSurf` and `PolyFlags`. The vertex data is in `pOutVerts` and `iNumPts` contains the number of vertices.
 
 - `void DrawIndexedTriangles (FSurfaceInfo *pSurf, FOutVector *pOutVerts, FUINT iNumPts, FBITFIELD PolyFlags, UINT32 *IndexArray)`
 
-Draws 3D triangles to the screen with properties from `PolyFlags`. The vertex data is in `pOutVerts` and `iNumPts` contains the number of vertices. `IndexArray` contains indices into `pOutVerts` that define the triangles. (Used by batched rendering)
+Draws 3D triangles to the screen with properties from `pSurf` and `PolyFlags`. The vertex data is in `pOutVerts` and `iNumPts` contains the number of vertices. `IndexArray` contains indices into `pOutVerts` that define the triangles. (Used by batched rendering)
 
 ***
 
@@ -76,7 +76,7 @@ Renders the "Sky dome" using the current texture.
 
 - `void FlushScreenTextures (void)`
 
-Deletes the screen textures.
+Deletes the screen textures. (Used when the rendering resolution is changed)
 
 - `void StartScreenWipe (void)`