From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 3 Mar 2009 06:44:26 +0000 (+0000)
Subject: speed up cl_project (it can simply use the inverse view matrix, no need to invert... 
X-Git-Tag: xonotic-v0.1.0preview~1825
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=7afff9e0abedd5501af22639f2278b07ac53bb4e;p=xonotic%2Fdarkplaces.git

speed up cl_project (it can simply use the inverse view matrix, no need to invert in this function)


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8771 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/clvm_cmds.c b/clvm_cmds.c
index 7849ffe2..6642e533 100644
--- a/clvm_cmds.c
+++ b/clvm_cmds.c
@@ -942,12 +942,10 @@ static void VM_CL_project (void)
 {
 	float	*f;
 	vec3_t	v;
-	matrix4x4_t m;
 
 	VM_SAFEPARMCOUNT(1, VM_CL_project);
 	f = PRVM_G_VECTOR(OFS_PARM0);
-	Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
-	Matrix4x4_Transform(&m, f, v);
+	Matrix4x4_Transform(&r_refdef.view.inverse_matrix, f, v);
 	if(v_flipped.integer)
 		v[1] = -v[1];
 	VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x + r_refdef.view.width*0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x), r_refdef.view.y + r_refdef.view.height*0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y), v[0]);