llvmpipe: rewrite llvmpipe_clear()

src/gallium/drivers/llvmpipe/lp_clear.c

@@ -33,12 +33,10 @@
 
 
 #include "pipe/p_defines.h"
-#include "util/u_pack_color.h"
 #include "lp_clear.h"
 #include "lp_context.h"
-#include "lp_surface.h"
+#include "lp_setup.h"
 #include "lp_state.h"
-#include "lp_tile_cache.h"
 
 
 /**
@@ -46,36 +44,16 @@
  * No masking, no scissor (clear entire buffer).
  */
 void
-llvmpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
-               double depth, unsigned stencil)
+llvmpipe_clear(struct pipe_context *pipe, 
+               unsigned buffers,
+               const float *rgba,
+               double depth,
+               unsigned stencil)
 {
    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
-   unsigned cv;
-   uint i;
 
    if (llvmpipe->no_rast)
       return;
 
-#if 0
-   llvmpipe_update_derived(llvmpipe); /* not needed?? */
-#endif
-
-   if (buffers & PIPE_CLEAR_COLOR) {
-      for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
-         struct pipe_surface *ps = llvmpipe->framebuffer.cbufs[i];
-
-         util_pack_color(rgba, ps->format, &cv);
-         lp_tile_cache_clear(llvmpipe->cbuf_cache[i], rgba, cv);
-      }
-      llvmpipe->dirty_render_cache = TRUE;
-   }
-
-   if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
-      struct pipe_surface *ps = llvmpipe->framebuffer.zsbuf;
-
-      cv = util_pack_z_stencil(ps->format, depth, stencil);
-
-      /* non-cached surface */
-      pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv);
-   }
+   lp_setup_clear( llvmpipe->setup, buffers, rgba, depth, stencil );
 }