fix r_shadows 2 shadowmapping by rendering to the correct depth range in

GL again

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10331 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_backend.c b/gl_backend.c
index a549db881caae2ba3f5dcadfe1491f20ccf98674..710eb7445aaa15d0e585a31b56cc043e99bed07e 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -515,13 +515,25 @@ void R_Viewport_InitOrtho(r_viewport_t *v, const matrix4x4_t *cameramatrix, int
        memset(m, 0, sizeof(m));
        m[0]  = 2/(right - left);
        m[5]  = 2/(top - bottom);
-//     m[10] = -2/(zFar - zNear);
-       m[10] = -1/(zFar - zNear);
+       m[10] = -2/(zFar - zNear);
        m[12] = - (right + left)/(right - left);
        m[13] = - (top + bottom)/(top - bottom);
-//     m[14] = - (zFar + zNear)/(zFar - zNear);
-       m[14] = -zNear/(zFar-zNear);
+       m[14] = - (zFar + zNear)/(zFar - zNear);
        m[15] = 1;
+       switch(vid.renderpath)
+       {
+       case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GL20:
+       case RENDERPATH_CGGL:
+               break;
+       case RENDERPATH_D3D9:
+       case RENDERPATH_D3D10:
+       case RENDERPATH_D3D11:
+               m[10] = -1/(zFar - zNear);
+               m[14] = -zNear/(zFar-zNear);
+               break;
+       }
        v->screentodepth[0] = -farclip / (farclip - nearclip);
        v->screentodepth[1] = farclip * nearclip / (farclip - nearclip);