From d7dbc666367438ee9efe748505907b36bba6b66a Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 9 Dec 2009 14:53:33 -0700
Subject: llvmpipe: checkpoint: begin plugging in bin queue code

---
 src/gallium/drivers/llvmpipe/lp_rast.c          | 12 ++++++++-
 src/gallium/drivers/llvmpipe/lp_rast.h          |  4 ++-
 src/gallium/drivers/llvmpipe/lp_rast_priv.h     |  4 +++
 src/gallium/drivers/llvmpipe/lp_setup.c         | 33 ++++++++++++++++++++++++-
 src/gallium/drivers/llvmpipe/lp_setup_context.h |  7 +++++-
 5 files changed, 56 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index 7cd046cc39..0471ad7e2f 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast.c
@@ -29,6 +29,7 @@
 #include "util/u_math.h"
 #include "util/u_cpu_detect.h"
 
+#include "lp_bin_queue.h"
 #include "lp_debug.h"
 #include "lp_state.h"
 #include "lp_rast.h"
@@ -655,7 +656,13 @@ create_rast_threads(struct lp_rasterizer *rast)
 
 
 
-struct lp_rasterizer *lp_rast_create( struct pipe_screen *screen )
+/**
+ * Create new lp_rasterizer.
+ * \param empty  the queue to put empty bins on after we've finished
+ *               processing them.
+ */
+struct lp_rasterizer *
+lp_rast_create( struct pipe_screen *screen, struct lp_bins_queue *empty )
 {
    struct lp_rasterizer *rast;
    unsigned i;
@@ -666,6 +673,9 @@ struct lp_rasterizer *lp_rast_create( struct pipe_screen *screen )
 
    rast->screen = screen;
 
+   rast->empty_bins = empty;
+   rast->full_bins = lp_bins_queue_create();
+
    for (i = 0; i < Elements(rast->tasks); i++) {
       rast->tasks[i].tile.color = align_malloc( TILE_SIZE*TILE_SIZE*4, 16 );
       rast->tasks[i].tile.depth = align_malloc( TILE_SIZE*TILE_SIZE*4, 16 );
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.h b/src/gallium/drivers/llvmpipe/lp_rast.h
index 25e7f8e008..0000fbc5c7 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.h
+++ b/src/gallium/drivers/llvmpipe/lp_rast.h
@@ -48,6 +48,7 @@
  */
 struct lp_rasterizer;
 struct lp_bins;
+struct lp_bins_queue;
 struct cmd_bin;
 struct pipe_screen;
 
@@ -130,7 +131,8 @@ struct lp_rast_triangle {
 
 
 
-struct lp_rasterizer *lp_rast_create( struct pipe_screen *screen );
+struct lp_rasterizer *lp_rast_create( struct pipe_screen *screen,
+                                      struct lp_bins_queue *empty );
 
 void lp_rast_destroy( struct lp_rasterizer * );
 
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_priv.h b/src/gallium/drivers/llvmpipe/lp_rast_priv.h
index 5502419a92..4e4f8b36a7 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast_priv.h
+++ b/src/gallium/drivers/llvmpipe/lp_rast_priv.h
@@ -95,6 +95,10 @@ struct lp_rasterizer
    boolean clipped_tile;
    boolean check_for_clipped_tiles;
 
+   struct lp_bins_queue *full_bins;
+   struct lp_bins_queue *empty_bins;
+   pipe_mutex get_bin_mutex;
+
    /* Framebuffer stuff
     */
    struct pipe_screen *screen;
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 484a609e6e..c8cdc32853 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -37,6 +37,8 @@
 #include "util/u_math.h"
 #include "util/u_memory.h"
 #include "util/u_pack_color.h"
+#include "lp_bin.h"
+#include "lp_bin_queue.h"
 #include "lp_debug.h"
 #include "lp_state.h"
 #include "lp_buffer.h"
@@ -44,6 +46,10 @@
 #include "lp_setup_context.h"
 
 
+/** XXX temporary value, temporary here */
+#define MAX_BINS 2
+
+
 static void set_state( struct setup_context *, unsigned );
 
 
@@ -554,6 +560,14 @@ lp_setup_destroy( struct setup_context *setup )
 
    lp_bins_destroy(setup->bins);
 
+   /* free the bins in the 'empty' queue */
+   while (lp_bins_queue_size(setup->empty_bins) > 0) {
+      struct lp_bins *bins = lp_bins_dequeue(setup->empty_bins);
+      if (!bins)
+         break;
+      lp_bins_destroy(bins);
+   }
+
    lp_rast_destroy( setup->rast );
 
    FREE( setup );
@@ -567,14 +581,28 @@ lp_setup_destroy( struct setup_context *setup )
 struct setup_context *
 lp_setup_create( struct pipe_screen *screen )
 {
+   unsigned i;
    struct setup_context *setup = CALLOC_STRUCT(setup_context);
 
-   setup->rast = lp_rast_create( screen );
+   if (!setup)
+      return NULL;
+
+   setup->empty_bins = lp_bins_queue_create();
+   if (!setup->empty_bins)
+      goto fail;
+
+   setup->rast = lp_rast_create( screen, setup->empty_bins );
    if (!setup->rast) 
       goto fail;
 
    setup->bins = lp_bins_create();
 
+   /* create some empty bins */
+   for (i = 0; i < MAX_BINS; i++) {
+      struct lp_bins *bins = lp_bins_create();
+      lp_bins_enqueue(setup->empty_bins, bins);
+   }
+
    setup->triangle = first_triangle;
    setup->line     = first_line;
    setup->point    = first_point;
@@ -584,6 +612,9 @@ lp_setup_create( struct pipe_screen *screen )
    return setup;
 
 fail:
+   if (setup->empty_bins)
+      lp_bins_queue_destroy(setup->empty_bins);
+
    FREE(setup);
    return NULL;
 }
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_context.h b/src/gallium/drivers/llvmpipe/lp_setup_context.h
index 782c05122c..584e37665b 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_context.h
+++ b/src/gallium/drivers/llvmpipe/lp_setup_context.h
@@ -46,6 +46,9 @@
 #define LP_SETUP_NEW_BLEND_COLOR 0x04
 
 
+struct lp_bins_queue;
+
+
 /**
  * Point/line/triangle setup context.
  * Note: "stored" below indicates data which is stored in the bins,
@@ -55,7 +58,9 @@ struct setup_context {
 
    struct lp_rasterizer *rast;
 
-   struct lp_bins *bins;
+
+   struct lp_bins *bins;               /**< current bins */
+   struct lp_bins_queue *empty_bins;   /**< queue of empty bins */
 
    boolean ccw_is_frontface;
    unsigned cullmode;
-- 
cgit v1.2.3