X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fsoftpipe%2Fsp_flush.c;h=a2733e95878f52f386f82653696b75076c79822b;hb=b5e44c2cfb93ff0cfc6141dda6bdaa59a11a5920;hp=035f4b963eb37426ceab9501654616d5129f8d05;hpb=407e8ae5b167b0193e1e5b1266a5d61ed836dfb5;p=mesa.git

diff --git a/src/gallium/drivers/softpipe/sp_flush.c b/src/gallium/drivers/softpipe/sp_flush.c
index 035f4b963eb..a2733e95878 100644
--- a/src/gallium/drivers/softpipe/sp_flush.c
+++ b/src/gallium/drivers/softpipe/sp_flush.c
@@ -31,18 +31,18 @@
 
 
 #include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
 #include "draw/draw_context.h"
 #include "sp_flush.h"
 #include "sp_context.h"
-#include "sp_surface.h"
 #include "sp_state.h"
 #include "sp_tile_cache.h"
-#include "sp_winsys.h"
+#include "sp_tex_tile_cache.h"
 
 
 void
 softpipe_flush( struct pipe_context *pipe,
-		unsigned flags,
+                unsigned flags,
                 struct pipe_fence_handle **fence )
 {
    struct softpipe_context *softpipe = softpipe_context(pipe);
@@ -50,28 +50,39 @@ softpipe_flush( struct pipe_context *pipe,
 
    draw_flush(softpipe->draw);
 
-   if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
-      for (i = 0; i < softpipe->num_textures; i++) {
-         sp_flush_tile_cache(softpipe, softpipe->tex_cache[i]);
+   if (flags & SP_FLUSH_TEXTURE_CACHE) {
+      for (i = 0; i < softpipe->num_fragment_sampler_views; i++) {
+         sp_flush_tex_tile_cache(softpipe->fragment_tex_cache[i]);
+      }
+      for (i = 0; i < softpipe->num_vertex_sampler_views; i++) {
+         sp_flush_tex_tile_cache(softpipe->vertex_tex_cache[i]);
+      }
+      for (i = 0; i < softpipe->num_geometry_sampler_views; i++) {
+         sp_flush_tex_tile_cache(softpipe->geometry_tex_cache[i]);
       }
    }
 
-   if (flags & PIPE_FLUSH_RENDER_CACHE) {
-      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
-         if (softpipe->cbuf_cache[i])
-            sp_flush_tile_cache(softpipe, softpipe->cbuf_cache[i]);
+   /* If this is a swapbuffers, just flush color buffers.
+    *
+    * The zbuffer changes are not discarded, but held in the cache
+    * in the hope that a later clear will wipe them out.
+    */
+   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, softpipe->zsbuf_cache);
+   if (softpipe->zsbuf_cache)
+      sp_flush_tile_cache(softpipe->zsbuf_cache);
 
-      /* Need this call for hardware buffers before swapbuffers.
-       *
-       * there should probably be another/different flush-type function
-       * that's called before swapbuffers because we don't always want
-       * to unmap surfaces when flushing.
-       */
-      softpipe_unmap_transfers(softpipe);
-   }
+   softpipe->dirty_render_cache = FALSE;
+
+   /* Need this call for hardware buffers before swapbuffers.
+    *
+    * there should probably be another/different flush-type function
+    * that's called before swapbuffers because we don't always want
+    * to unmap surfaces when flushing.
+    */
+   softpipe_unmap_transfers(softpipe);
 
    /* Enable to dump BMPs of the color/depth buffers each frame */
 #if 0
@@ -79,14 +90,87 @@ softpipe_flush( struct pipe_context *pipe,
       static unsigned frame_no = 1;
       static char filename[256];
       util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no);
-      debug_dump_surface_bmp(filename, softpipe->framebuffer.cbufs[0]);
+      debug_dump_surface_bmp(softpipe, filename, softpipe->framebuffer.cbufs[0]);
       util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no);
-      debug_dump_surface_bmp(filename, softpipe->framebuffer.zsbuf);
+      debug_dump_surface_bmp(softpipe, filename, softpipe->framebuffer.zsbuf);
       ++frame_no;
    }
 #endif
-   
+
    if (fence)
-      *fence = NULL;
+      *fence = (void*)(intptr_t)1;
+}
+
+void
+softpipe_flush_wrapped( struct pipe_context *pipe,
+                        struct pipe_fence_handle **fence )
+{
+   softpipe_flush(pipe, SP_FLUSH_TEXTURE_CACHE, fence);
 }
 
+
+/**
+ * Flush context if necessary.
+ *
+ * Returns FALSE if it would have block, but do_not_block was set, TRUE
+ * otherwise.
+ *
+ * TODO: move this logic to an auxiliary library?
+ */
+boolean
+softpipe_flush_resource(struct pipe_context *pipe,
+                        struct pipe_resource *texture,
+                        unsigned level,
+                        int layer,
+                        unsigned flush_flags,
+                        boolean read_only,
+                        boolean cpu_access,
+                        boolean do_not_block)
+{
+   unsigned referenced;
+
+   referenced = softpipe_is_resource_referenced(pipe, texture, level, layer);
+
+   if ((referenced & SP_REFERENCED_FOR_WRITE) ||
+       ((referenced & SP_REFERENCED_FOR_READ) && !read_only)) {
+
+      /*
+       * TODO: The semantics of these flush flags are too obtuse. They should
+       * disappear and the pipe driver should just ensure that all visible
+       * side-effects happen when they need to happen.
+       */
+      if (referenced & SP_REFERENCED_FOR_READ)
+         flush_flags |= SP_FLUSH_TEXTURE_CACHE;
+
+      if (cpu_access) {
+         /*
+          * Flush and wait.
+          */
+
+         struct pipe_fence_handle *fence = NULL;
+
+         if (do_not_block)
+            return FALSE;
+
+         softpipe_flush(pipe, flush_flags, &fence);
+
+         if (fence) {
+            /*
+             * This is for illustrative purposes only, as softpipe does not
+             * have fences.
+             */
+            pipe->screen->fence_finish(pipe->screen, fence,
+                                       PIPE_TIMEOUT_INFINITE);
+            pipe->screen->fence_reference(pipe->screen, &fence, NULL);
+         }
+      } else {
+         /*
+          * Just flush.
+          */
+
+         softpipe_flush(pipe, flush_flags, NULL);
+      }
+   }
+
+   return TRUE;
+}