iris: Make iris_has_color_unresolved more generic

[mesa.git] / src / gallium / drivers / llvmpipe / lp_flush.c

diff --git a/src/gallium/drivers/llvmpipe/lp_flush.c b/src/gallium/drivers/llvmpipe/lp_flush.c
index bf832433be12085a6823974d3e2154d339f90d19..94c78ef18c4a328d16ab3e238c5e6dc4b68abf55 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_flush.c
+++ b/src/gallium/drivers/llvmpipe/lp_flush.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -26,69 +26,108 @@
  **************************************************************************/
 
 /* Author:
- *    Keith Whitwell <keith@tungstengraphics.com>
+ *    Keith Whitwell <keithw@vmware.com>
  */
 
 
 #include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+#include "util/u_debug_image.h"
+#include "util/u_string.h"
 #include "draw/draw_context.h"
 #include "lp_flush.h"
 #include "lp_context.h"
 #include "lp_setup.h"
 
 
+/**
+ * \param fence  if non-null, returns pointer to a fence which can be waited on
+ */
 void
 llvmpipe_flush( struct pipe_context *pipe,
-               unsigned flags,
-                struct pipe_fence_handle **fence )
+                struct pipe_fence_handle **fence,
+                const char *reason)
 {
    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
 
    draw_flush(llvmpipe->draw);
 
-   if (fence) {
-      if ((flags & (PIPE_FLUSH_SWAPBUFFERS |
-                    PIPE_FLUSH_RENDER_CACHE))) {
-         /* if we're going to flush the setup/rasterization modules, emit
-          * a fence.
-          * XXX this (and the code below) may need fine tuning...
-          */
-         *fence = lp_setup_fence( llvmpipe->setup );
-      }
-      else {
-         *fence = NULL;
-      }
-   }
-
-   /* XXX the lp_setup_flush(flags) param is not a bool, and it's ignored
-    * at this time!
-    */
-   if (flags & PIPE_FLUSH_SWAPBUFFERS) {
-      lp_setup_flush( llvmpipe->setup, FALSE );
-   }
-   else if (flags & PIPE_FLUSH_RENDER_CACHE) {
-      lp_setup_flush( llvmpipe->setup, TRUE );
-   }
+   /* ask the setup module to flush */
+   lp_setup_flush(llvmpipe->setup, fence, reason);
 
    /* Enable to dump BMPs of the color/depth buffers each frame */
-#if 0
-   if (flags & PIPE_FLUSH_FRAME) {
+   if (0) {
       static unsigned frame_no = 1;
       char filename[256];
       unsigned i;
 
       for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
-        util_snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
-         debug_dump_surface(filename, llvmpipe->framebuffer.cbufs[i]);
+         snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
+         debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.cbufs[i]);
       }
 
       if (0) {
-         util_snprintf(filename, sizeof(filename), "zsbuf_%u", frame_no);
-         debug_dump_surface(filename, llvmpipe->framebuffer.zsbuf);
+         snprintf(filename, sizeof(filename), "zsbuf_%u", frame_no);
+         debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.zsbuf);
       }
 
       ++frame_no;
    }
-#endif
 }
 
+void
+llvmpipe_finish( struct pipe_context *pipe,
+                 const char *reason )
+{
+   struct pipe_fence_handle *fence = NULL;
+   llvmpipe_flush(pipe, &fence, reason);
+   if (fence) {
+      pipe->screen->fence_finish(pipe->screen, NULL, fence,
+                                 PIPE_TIMEOUT_INFINITE);
+      pipe->screen->fence_reference(pipe->screen, &fence, NULL);
+   }
+}
+
+/**
+ * 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
+llvmpipe_flush_resource(struct pipe_context *pipe,
+                        struct pipe_resource *resource,
+                        unsigned level,
+                        boolean read_only,
+                        boolean cpu_access,
+                        boolean do_not_block,
+                        const char *reason)
+{
+   unsigned referenced;
+
+   referenced = llvmpipe_is_resource_referenced(pipe, resource, level);
+
+   if ((referenced & LP_REFERENCED_FOR_WRITE) ||
+       ((referenced & LP_REFERENCED_FOR_READ) && !read_only)) {
+
+      if (cpu_access) {
+         /*
+          * Flush and wait.
+          */
+         if (do_not_block)
+            return FALSE;
+
+         llvmpipe_finish(pipe, reason);
+      } else {
+         /*
+          * Just flush.
+          */
+
+         llvmpipe_flush(pipe, NULL, reason);
+      }
+   }
+
+   return TRUE;
+}