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changeset 3197:434ce3242e1c

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Alexei Tereschenko Why not to use hardware vertex processing instead of software one if it is available in D3D render driver? With hardware processing testsprite2 runs three times faster on all videocards which I could test.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Jun 2009 14:34:15 +0000
parents 413672b09bb3
children fefe74ca604d
files src/video/win32/SDL_d3drender.c
diffstat 1 files changed, 7 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/video/win32/SDL_d3drender.c	Fri Jun 12 08:41:48 2009 +0000
+++ b/src/video/win32/SDL_d3drender.c	Tue Jun 16 14:34:15 2009 +0000
@@ -412,9 +412,16 @@
         pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
     }
 
+    IDirect3D9_GetDeviceCaps(videodata->d3d, D3DADAPTER_DEFAULT,
+                             D3DDEVTYPE_HAL, &caps);
+
     result = IDirect3D9_CreateDevice(videodata->d3d, D3DADAPTER_DEFAULT,        /* FIXME */
                                      D3DDEVTYPE_HAL,
                                      windowdata->hwnd,
+                                     (caps.
+                                      DevCaps &
+                                      D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
+                                     D3DCREATE_HARDWARE_VERTEXPROCESSING :
                                      D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                                      &pparams, &data->device);
     if (FAILED(result)) {