new cvars: r_drawparticles_nearclip_min and r_drawparticles_nearclip_max, use a range...

[xonotic/darkplaces.git] / gl_backend.c

diff --git a/gl_backend.c b/gl_backend.c
index fd0cff613e8df66800017698f81f271da3ed2e52..bd2d422099059861b5d98052afe578e8b31954e3 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -291,7 +291,7 @@ void gl_backend_init(void)
 
        Cmd_AddCommand("gl_vbostats", GL_VBOStats_f, "prints a list of all buffer objects (vertex data and triangle elements) and total video memory used by them");
 
-       R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap);
+       R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap, NULL, NULL);
 }
 
 void GL_SetMirrorState(qboolean state);
@@ -404,9 +404,6 @@ void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix
        float m[16];
        memset(v, 0, sizeof(*v));
 
-       if(v_flipped.integer)
-               frustumx = -frustumx;
-
        v->type = R_VIEWPORTTYPE_PERSPECTIVE;
        v->cameramatrix = *cameramatrix;
        v->x = x;
@@ -432,6 +429,14 @@ void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix
        if (nearplane)
                R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 
+       if(v_flipped.integer)
+       {
+               m[0] = -m[0];
+               m[4] = -m[4];
+               m[8] = -m[8];
+               m[12] = -m[12];
+       }
+
        Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
 }
 
@@ -442,9 +447,6 @@ void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *came
        float m[16];
        memset(v, 0, sizeof(*v));
 
-       if(v_flipped.integer)
-               frustumx = -frustumx;
-
        v->type = R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP;
        v->cameramatrix = *cameramatrix;
        v->x = x;
@@ -470,6 +472,14 @@ void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *came
        if (nearplane)
                R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 
+       if(v_flipped.integer)
+       {
+               m[0] = -m[0];
+               m[4] = -m[4];
+               m[8] = -m[8];
+               m[12] = -m[12];
+       }
+
        Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
 }