6 files changed, 26 insertions, 12 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_emit.c b/src/gallium/auxiliary/draw/draw_pt_emit.c
index 776ca32cfa9..999b2007a26 100644
--- a/src/gallium/auxiliary/draw/draw_pt_emit.c
+++ b/src/gallium/auxiliary/draw/draw_pt_emit.c
@@ -49,6 +49,7 @@ void draw_pt_emit_prepare( struct pt_emit *emit,
    const struct vertex_info *vinfo;
    unsigned dst_offset;
    struct translate_key hw_key;
+   unsigned keysize;
    unsigned i;
    boolean ok;
 
@@ -58,12 +59,10 @@ void draw_pt_emit_prepare( struct pt_emit *emit,
       return;
    }
 
-   memset(&hw_key, 0, sizeof(hw_key));
-
    /* Must do this after set_primitive() above:
     */
    vinfo = draw->render->get_vertex_info(draw->render);
-
+   keysize = 2*4 + vinfo->num_attribs * sizeof(hw_key.element[0]);
 
    /* Translate from pipeline vertices to hw vertices.
     */
@@ -122,8 +121,9 @@ void draw_pt_emit_prepare( struct pt_emit *emit,
    hw_key.output_stride = vinfo->size * 4;
 
    if (!emit->translate ||
-       memcmp(&emit->translate->key, &hw_key, sizeof(hw_key)) != 0)
+       memcmp(&emit->translate->key, &hw_key, keysize) != 0)
    {
+      memset((char *)&hw_key + keysize, 0, sizeof(hw_key) - keysize);
       emit->translate = translate_cache_find(emit->cache, &hw_key);
    }
 }
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch.c b/src/gallium/auxiliary/draw/draw_pt_fetch.c
index d7cc1807d77..d62cd9358be 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch.c
@@ -62,10 +62,11 @@ void draw_pt_fetch_prepare( struct pt_fetch *fetch,
    unsigned i, nr = 0;
    unsigned dst_offset = 0;
    struct translate_key key;
+   unsigned keysize;
 
    fetch->vertex_size = vertex_size;
-
-   memset(&key, 0, sizeof(key));
+   keysize = (2*4 + 
+              (draw->pt.nr_vertex_elements + 1) * sizeof(key.element[0]));
 
    /* Always emit/leave space for a vertex header.
     *
@@ -110,8 +111,9 @@ void draw_pt_fetch_prepare( struct pt_fetch *fetch,
 
 
    if (!fetch->translate ||
-       memcmp(&fetch->translate->key, &key, sizeof(key)) != 0)
+       memcmp(&fetch->translate->key, &key, keysize) != 0)
    {
+      memset((char *)&key + keysize, 0, sizeof(key) - keysize);
       fetch->translate = translate_cache_find(fetch->cache, &key);
 
       {
diff --git a/src/gallium/auxiliary/translate/translate.h b/src/gallium/auxiliary/translate/translate.h
index 6c15d7e4dc7..de6f09d18a2 100644
--- a/src/gallium/auxiliary/translate/translate.h
+++ b/src/gallium/auxiliary/translate/translate.h
@@ -47,10 +47,9 @@
 struct translate_element 
 {
    enum pipe_format input_format;
-   unsigned input_buffer;
-   unsigned input_offset;
-
    enum pipe_format output_format;
+   unsigned input_buffer;
+   unsigned input_offset;       /* can't really reduce the size of these */
    unsigned output_offset;
 };
 
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index df7be01fcd5..5370d85275f 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -717,7 +717,7 @@ void setup_tri( struct setup_context *setup,
                 const float (*v1)[4],
                 const float (*v2)[4] )
 {
-   float det = calc_det(v0, v1, v2);
+   float det;
 
 #if DEBUG_VERTS
    debug_printf("Setup triangle:\n");
@@ -728,7 +728,8 @@ void setup_tri( struct setup_context *setup,
 
    if (setup->softpipe->no_rast)
       return;
-
+   
+   det = calc_det(v0, v1, v2);
    /*
    debug_printf("%s\n", __FUNCTION__ );
    */
diff --git a/src/gallium/winsys/xlib/fakeglx.c b/src/gallium/winsys/xlib/fakeglx.c
index ec77e81fedb..2c0075e9345 100644
--- a/src/gallium/winsys/xlib/fakeglx.c
+++ b/src/gallium/winsys/xlib/fakeglx.c
@@ -1689,6 +1689,15 @@ static void
 Fake_glXSwapBuffers( Display *dpy, GLXDrawable drawable )
 {
    XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable );
+   static boolean firsttime = 1, no_rast = 0;
+
+   if (firsttime) {
+      no_rast = getenv("SP_NO_RAST") != NULL;
+      firsttime = 0;
+   }
+
+   if (no_rast)
+      return;
 
    if (buffer) {
       XMesaSwapBuffers(buffer);
diff --git a/src/gallium/winsys/xlib/xm_api.c b/src/gallium/winsys/xlib/xm_api.c
index 0c248344b15..26b722f3439 100644
--- a/src/gallium/winsys/xlib/xm_api.c
+++ b/src/gallium/winsys/xlib/xm_api.c
@@ -110,6 +110,9 @@ int xmesa_check_for_xshm( XMesaDisplay *display )
    int major, minor, ignore;
    Bool pixmaps;
 
+   if (getenv("SP_NO_RAST")) 
+      return 0;
+
    if (getenv("MESA_NOSHM")) {
       return 0;
    }