gallium: Fix texture sampling with explicit LOD in softpipe.

[mesa.git] / src / gallium / drivers / softpipe / sp_state_surface.c

diff --git a/src/gallium/drivers/softpipe/sp_state_surface.c b/src/gallium/drivers/softpipe/sp_state_surface.c
index 1493c65884142253eb63ab9452e730d4a7962542..f6154109ea831dae4d555249261bd46de91f96f9 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_state_surface.c
+++ b/src/gallium/drivers/softpipe/sp_state_surface.c
@@ -27,7 +27,6 @@
 
 /* Authors:  Keith Whitwell <keith@tungstengraphics.com>
  */
-#include "pipe/p_inlines.h"
 
 #include "sp_context.h"
 #include "sp_state.h"
@@ -36,6 +35,8 @@
 
 #include "draw/draw_context.h"
 
+#include "util/u_format.h"
+
 
 /**
  * XXX this might get moved someday
@@ -50,14 +51,16 @@ softpipe_set_framebuffer_state(struct pipe_context *pipe,
    struct softpipe_context *sp = softpipe_context(pipe);
    uint i;
 
+   draw_flush(sp->draw);
+
    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
       /* check if changing cbuf */
       if (sp->framebuffer.cbufs[i] != fb->cbufs[i]) {
          /* flush old */
-         sp_flush_tile_cache(sp, sp->cbuf_cache[i]);
+         sp_flush_tile_cache(sp->cbuf_cache[i]);
 
          /* assign new */
-         sp->framebuffer.cbufs[i] = fb->cbufs[i];
+         pipe_surface_reference(&sp->framebuffer.cbufs[i], fb->cbufs[i]);
 
          /* update cache */
          sp_tile_cache_set_surface(sp->cbuf_cache[i], fb->cbufs[i]);
@@ -69,58 +72,29 @@ softpipe_set_framebuffer_state(struct pipe_context *pipe,
    /* zbuf changing? */
    if (sp->framebuffer.zsbuf != fb->zsbuf) {
       /* flush old */
-      sp_flush_tile_cache(sp, sp->zsbuf_cache);
+      sp_flush_tile_cache(sp->zsbuf_cache);
 
       /* assign new */
-      sp->framebuffer.zsbuf = fb->zsbuf;
+      pipe_surface_reference(&sp->framebuffer.zsbuf, fb->zsbuf);
 
       /* update cache */
       sp_tile_cache_set_surface(sp->zsbuf_cache, fb->zsbuf);
-   }
-
-#if 0
-   /* XXX combined depth/stencil here */
-
-   /* sbuf changing? */
-   if (sp->framebuffer.sbuf != fb->sbuf) {
-      /* flush old */
-      sp_flush_tile_cache(sp, sp->sbuf_cache_sep);
-
-      /* assign new */
-      sp->framebuffer.sbuf = fb->sbuf;
 
-      /* update cache */
-      if (fb->sbuf != fb->zbuf) {
-         /* separate stencil buf */
-         sp->sbuf_cache = sp->sbuf_cache_sep;
-         sp_tile_cache_set_surface(sp->sbuf_cache, fb->sbuf);
-      }
-      else {
-         /* combined depth/stencil */
-         sp->sbuf_cache = sp->zbuf_cache;
-         sp_tile_cache_set_surface(sp->sbuf_cache, fb->sbuf);
-      }
-   }
-#endif
-
-   /* Tell draw module how deep the Z/depth buffer is */
-   {
-      int depth_bits;
-      double mrd;
+      /* Tell draw module how deep the Z/depth buffer is */
       if (sp->framebuffer.zsbuf) {
-         depth_bits = pf_get_component_bits(sp->framebuffer.zsbuf->format,
-                                            PIPE_FORMAT_COMP_Z);
-      }
-      else {
-         depth_bits = 0;
-      }
-      if (depth_bits > 16) {
-         mrd = 0.0000001;
-      }
-      else {
-         mrd = 0.00002;
+         int depth_bits;
+         double mrd;
+         depth_bits = util_format_get_component_bits(sp->framebuffer.zsbuf->format,
+                                                     UTIL_FORMAT_COLORSPACE_ZS,
+                                                     0);
+         if (depth_bits > 16) {
+            mrd = 0.0000001;
+         }
+         else {
+            mrd = 0.00002;
+         }
+         draw_set_mrd(sp->draw, mrd);
       }
-      draw_set_mrd(sp->draw, mrd);
    }
 
    sp->framebuffer.width = fb->width;