softpipe: add image support to softpipe (v3)

This adds support for ARB_shader_image_load_store to softpipe.

v2: add RESQ support (Ilia)
v3: constify, cleanup internals, add some comments (Brian).

Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_flush.c b/src/gallium/drivers/softpipe/sp_flush.c
index 5a29e26517d..59b8ad696ec 100644
--- a/src/gallium/drivers/softpipe/sp_flush.c
+++ b/src/gallium/drivers/softpipe/sp_flush.c
@@ -168,3 +168,29 @@ softpipe_flush_resource(struct pipe_context *pipe,
 
    return TRUE;
 }
+
+void softpipe_texture_barrier(struct pipe_context *pipe)
+{
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+   uint i, sh;
+
+   for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
+      for (i = 0; i < softpipe->num_sampler_views[sh]; i++) {
+         sp_flush_tex_tile_cache(softpipe->tex_cache[sh][i]);
+      }
+   }
+
+   for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
+      if (softpipe->cbuf_cache[i])
+         sp_flush_tile_cache(softpipe->cbuf_cache[i]);
+
+   if (softpipe->zsbuf_cache)
+      sp_flush_tile_cache(softpipe->zsbuf_cache);
+
+   softpipe->dirty_render_cache = FALSE;
+}
+
+void softpipe_memory_barrier(struct pipe_context *pipe, unsigned flags)
+{
+   softpipe_texture_barrier(pipe);
+}