svga: track which textures are rendered to

Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: "10.1" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit d0c22a6d53a9cce2d40006f3d4d7dd7e2f63aca9)

2 files changed, 38 insertions, 18 deletions

diff --git a/src/gallium/drivers/svga/svga_pipe_misc.c b/src/gallium/drivers/svga/svga_pipe_misc.c
index 2c88e2a90de..1df32a13b82 100644
--- a/src/gallium/drivers/svga/svga_pipe_misc.c
+++ b/src/gallium/drivers/svga/svga_pipe_misc.c
@@ -25,11 +25,13 @@
 
 #include "svga_cmd.h"
 
+#include "util/u_framebuffer.h"
 #include "util/u_inlines.h"
 
 #include "svga_context.h"
 #include "svga_screen.h"
 #include "svga_surface.h"
+#include "svga_resource_texture.h"
 
 
 static void svga_set_scissor_states( struct pipe_context *pipe,
@@ -86,19 +88,25 @@ static void svga_set_framebuffer_state(struct pipe_context *pipe,
    dst->nr_cbufs = fb->nr_cbufs;
 
    /* check if we need to propagate any of the target surfaces */
-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
-      if (dst->cbufs[i] && dst->cbufs[i] != fb->cbufs[i])
-         if (svga_surface_needs_propagation(dst->cbufs[i]))
+   for (i = 0; i < dst->nr_cbufs; i++) {
+      struct pipe_surface *s = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
+      if (dst->cbufs[i] && dst->cbufs[i] != s) {
+         if (svga_surface_needs_propagation(dst->cbufs[i])) {
             propagate = TRUE;
+            break;
+         }
+      }
    }
 
    if (propagate) {
       /* make sure that drawing calls comes before propagation calls */
       svga_hwtnl_flush_retry( svga );
    
-      for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
-         if (dst->cbufs[i] && dst->cbufs[i] != fb->cbufs[i])
+      for (i = 0; i < dst->nr_cbufs; i++) {
+         struct pipe_surface *s = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
+         if (dst->cbufs[i] && dst->cbufs[i] != s)
             svga_propagate_surface(svga, dst->cbufs[i]);
+      }
    }
 
    /* XXX: Actually the virtual hardware may support rendertargets with
@@ -111,12 +119,16 @@ static void svga_set_framebuffer_state(struct pipe_context *pipe,
       }
    }
 
-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
-      pipe_surface_reference(&dst->cbufs[i],
-                             (i < fb->nr_cbufs) ? fb->cbufs[i] : NULL);
-   }
-   pipe_surface_reference(&dst->zsbuf, fb->zsbuf);
+   util_copy_framebuffer_state(dst, fb);
 
+   /* Set the rendered-to flags */
+   for (i = 0; i < dst->nr_cbufs; i++) {
+      struct pipe_surface *s = dst->cbufs[i];
+      if (s) {
+         struct svga_texture *t = svga_texture(s->texture);
+         svga_set_texture_rendered_to(t, s->u.tex.first_layer, s->u.tex.level);
+      }
+   }
 
    if (svga->curr.framebuffer.zsbuf)
    {
@@ -140,6 +152,13 @@ static void svga_set_framebuffer_state(struct pipe_context *pipe,
          svga->curr.depthscale = 0.0f;
          break;
       }
+
+      /* Set rendered-to flag */
+      {
+         struct pipe_surface *s = dst->zsbuf;
+         struct svga_texture *t = svga_texture(s->texture);
+         svga_set_texture_rendered_to(t, s->u.tex.first_layer, s->u.tex.level);
+      }
    }
    else {
       svga->curr.depthscale = 0.0f;
diff --git a/src/gallium/drivers/svga/svga_surface.c b/src/gallium/drivers/svga/svga_surface.c
index 5fafadf6175..c538e36366c 100644
--- a/src/gallium/drivers/svga/svga_surface.c
+++ b/src/gallium/drivers/svga/svga_surface.c
@@ -158,7 +158,7 @@ svga_texture_view_surface(struct svga_context *svga,
 
    for (i = 0; i < key->numMipLevels; i++) {
       for (j = 0; j < key->numFaces; j++) {
-         if (tex->defined[j + face_pick][i + start_mip]) {
+         if (svga_is_texture_level_defined(tex, j + face_pick, i + start_mip)) {
             unsigned depth = (zslice_pick < 0 ?
                               u_minify(tex->b.b.depth0, i + start_mip) :
                               1);
@@ -304,18 +304,19 @@ svga_mark_surface_dirty(struct pipe_surface *surf)
       if (s->handle == tex->handle) {
          /* hmm so 3d textures always have all their slices marked ? */
          if (surf->texture->target == PIPE_TEXTURE_CUBE)
-            tex->defined[surf->u.tex.first_layer][surf->u.tex.level] = TRUE;
+            svga_define_texture_level(tex, surf->u.tex.first_layer,
+                                      surf->u.tex.level);
          else
-            tex->defined[0][surf->u.tex.level] = TRUE;
+            svga_define_texture_level(tex, 0, surf->u.tex.level);
       }
       else {
          /* this will happen later in svga_propagate_surface */
       }
 
-      /* Increment the view_age and texture age for this surface's slice
-       * so that any sampler views into the texture are re-validated too.
+      /* Increment the view_age and texture age for this surface's mipmap
+       * level so that any sampler views into the texture are re-validated too.
        */
-      svga_age_texture_view(tex, surf->u.tex.first_layer);
+      svga_age_texture_view(tex, surf->u.tex.level);
    }
 }
 
@@ -361,7 +362,7 @@ svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf)
 
    s->dirty = FALSE;
    ss->texture_timestamp++;
-   tex->view_age[surf->u.tex.level] = ++(tex->age);
+   svga_age_texture_view(tex, surf->u.tex.level);
 
    if (s->handle != tex->handle) {
       SVGA_DBG(DEBUG_VIEWS,
@@ -372,7 +373,7 @@ svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf)
                                tex->handle, 0, 0, zslice, surf->u.tex.level, face,
                                u_minify(tex->b.b.width0, surf->u.tex.level),
                                u_minify(tex->b.b.height0, surf->u.tex.level), 1);
-      tex->defined[face][surf->u.tex.level] = TRUE;
+      svga_define_texture_level(tex, face, surf->u.tex.level);
    }
 }