on D3D9 renderer do not allow textures to be uploaded with a size smaller than 2xN...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10463 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_textures.c b/gl_textures.c
index c7ec81f91456a5ed69e6ace27c67a1d1c3c28095..0d8c0feb5898d1b1e10bb714228bed65b5efe1d6 100644 (file)
--- a/gl_textures.c
+++ b/gl_textures.c
@@ -493,6 +493,25 @@ static void GL_Texture_CalcImageSize(int texturetype, int flags, int miplevel, i
 {
        int picmip = 0, maxsize = 0, width2 = 1, height2 = 1, depth2 = 1, miplevels = 1;
 
+       switch(vid.renderpath)
+       {
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+       case RENDERPATH_D3D10:
+       case RENDERPATH_D3D11:
+               break;
+       case RENDERPATH_D3D9:
+               // for some reason the REF rasterizer (and hence the PIX debugger) does not like small textures...
+               if (indepth == 1)
+               {
+                       width2 = max(width2, 2);
+                       height2 = max(height2, 2);
+               }
+               break;
+       }
+
        switch (texturetype)
        {
        default: