X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fr300%2Fr300_flush.c;h=54108d1cdfbc70f4c7cf3ce1f000e4ae7540ae85;hb=150736b5c34fc07de296454b973ae72ede215ae2;hp=e37d3092703383a647d14fefb2e1b328c438c342;hpb=978568c647844693f602364bd9e1041d1cecea4f;p=mesa.git

diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
index e37d3092703..54108d1cdfb 100644
--- a/src/gallium/drivers/r300/r300_flush.c
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -1,5 +1,6 @@
 /*
  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Copyright 2010 Marek Olšák <maraeo@gmail.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -23,54 +24,117 @@
 #include "draw/draw_context.h"
 #include "draw/draw_private.h"
 
-#include "util/u_simple_list.h"
+#include "util/simple_list.h"
+#include "util/u_upload_mgr.h"
+
+#include "os/os_time.h"
 
 #include "r300_context.h"
 #include "r300_cs.h"
 #include "r300_emit.h"
-#include "r300_flush.h"
 
-static void r300_flush(struct pipe_context* pipe,
-                       unsigned flags,
-                       struct pipe_fence_handle** fence)
+
+static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags,
+                                   struct pipe_fence_handle **fence)
 {
-    struct r300_context *r300 = r300_context(pipe);
-    struct r300_query *query;
     struct r300_atom *atom;
 
-    CS_LOCALS(r300);
-    (void) cs_count;
-    /* We probably need to flush Draw, but we may have been called from
-     * within Draw. This feels kludgy, but it might be the best thing.
-     *
-     * Of course, the best thing is to kill Draw with fire. :3 */
-    if (r300->draw && !r300->draw->flushing) {
-        draw_flush(r300->draw);
+    r300_emit_hyperz_end(r300);
+    r300_emit_query_end(r300);
+    if (r300->screen->caps.is_r500)
+        r500_emit_index_bias(r300, 0);
+
+    /* The DDX doesn't set these regs. */
+    {
+        CS_LOCALS(r300);
+        OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
+        OUT_CS(0x66666666);
+        OUT_CS(0x6666666);
     }
 
-    r300_emit_query_end(r300);
+    r300->flush_counter++;
+    r300->rws->cs_flush(r300->cs, flags, fence);
+    r300->dirty_hw = 0;
+
+    /* New kitchen sink, baby. */
+    foreach_atom(r300, atom) {
+        if (atom->state || atom->allow_null_state) {
+            r300_mark_atom_dirty(r300, atom);
+        }
+    }
+    r300->vertex_arrays_dirty = TRUE;
+
+    /* Unmark HWTCL state for SWTCL. */
+    if (!r300->screen->caps.has_tcl) {
+        r300->vs_state.dirty = FALSE;
+        r300->vs_constants.dirty = FALSE;
+        r300->clip_state.dirty = FALSE;
+    }
+}
+
+void r300_flush(struct pipe_context *pipe,
+                unsigned flags,
+                struct pipe_fence_handle **fence)
+{
+    struct r300_context *r300 = r300_context(pipe);
 
     if (r300->dirty_hw) {
-        FLUSH_CS;
-        r300->dirty_state = R300_NEW_KITCHEN_SINK;
-        r300->dirty_hw = 0;
-
-        /* New kitchen sink, baby. */
-        foreach(atom, &r300->atom_list) {
-            if (atom->state) {
-                atom->dirty = TRUE;
-            }
+        r300_flush_and_cleanup(r300, flags, fence);
+    } else {
+        if (fence) {
+            /* We have to create a fence object, but the command stream is empty
+             * and we cannot emit an empty CS. Let's write to some reg. */
+            CS_LOCALS(r300);
+            OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0);
+            r300->rws->cs_flush(r300->cs, flags, fence);
+        } else {
+            /* Even if hw is not dirty, we should at least reset the CS in case
+             * the space checking failed for the first draw operation. */
+            r300->rws->cs_flush(r300->cs, flags, NULL);
         }
     }
 
-    /* reset flushed query */
-    foreach(query, &r300->query_list) {
-        query->flushed = TRUE;
+    /* Update Hyper-Z status. */
+    if (r300->hyperz_enabled) {
+        /* If there was a Z clear, keep Hyper-Z access. */
+        if (r300->num_z_clears) {
+            r300->hyperz_time_of_last_flush = os_time_get();
+            r300->num_z_clears = 0;
+        } else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) {
+            /* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */
+            r300->hiz_in_use = FALSE;
+
+            /* Decompress the Z buffer. */
+            if (r300->zmask_in_use) {
+                if (r300->locked_zbuffer) {
+                    r300_decompress_zmask_locked(r300);
+                } else {
+                    r300_decompress_zmask(r300);
+                }
+
+                if (fence && *fence)
+                    r300->rws->fence_reference(fence, NULL);
+                r300_flush_and_cleanup(r300, flags, fence);
+            }
+
+            /* Revoke Hyper-Z access, so that some other process can take it. */
+            r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS,
+                                          FALSE);
+            r300->hyperz_enabled = FALSE;
+        }
     }
 }
 
+static void r300_flush_wrapped(struct pipe_context *pipe,
+                               struct pipe_fence_handle **fence,
+                               unsigned flags)
+{
+    r300_flush(pipe,
+               flags & PIPE_FLUSH_END_OF_FRAME ? RADEON_FLUSH_END_OF_FRAME : 0,
+               fence);
+}
 
 void r300_init_flush_functions(struct r300_context* r300)
 {
-    r300->context.flush = r300_flush;
+    r300->context.flush = r300_flush_wrapped;
 }