X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fr300%2Fr300_flush.c;h=f6c1bf32ca2db24fbd6b0af8183d823893df69a3;hb=HEAD;hp=b3d0d344ec4ccf17ce64f913babb7272f6eedef5;hpb=2bf95c519e755146704f4942b1703d47d18bfeaa;p=mesa.git

diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
index b3d0d344ec4..f6c1bf32ca2 100644
--- a/src/gallium/drivers/r300/r300_flush.c
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -24,79 +24,115 @@
 #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 "util/os_time.h"
+
 #include "r300_context.h"
 #include "r300_cs.h"
 #include "r300_emit.h"
 
 
+static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags,
+                                   struct pipe_fence_handle **fence)
+{
+    struct r300_atom *atom;
+
+    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->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);
-    struct r300_atom *atom;
-    struct r300_winsys_bo **rfence = (struct r300_winsys_bo**)fence;
-
-    if (r300->draw && !r300->draw_vbo_locked)
-	r300_draw_flush_vbuf(r300);
-
-    if (rfence) {
-        /* Create a fence, which is a dummy BO. */
-        *rfence = r300->rws->buffer_create(r300->rws, 1, 1,
-                                           PIPE_BIND_VERTEX_BUFFER,
-                                           PIPE_USAGE_STATIC,
-                                           R300_DOMAIN_GTT);
-        /* Add the fence as a dummy relocation. */
-        r300->rws->cs_add_reloc(r300->cs,
-                                r300->rws->buffer_get_cs_handle(*rfence),
-                                R300_DOMAIN_GTT, R300_DOMAIN_GTT);
-    }
 
     if (r300->dirty_hw) {
-        r300_emit_hyperz_end(r300);
-        r300_emit_query_end(r300);
-        if (r300->screen->caps.is_r500)
-            r500_emit_index_bias(r300, 0);
-
-        r300->flush_counter++;
-        r300->rws->cs_flush(r300->cs, flags);
-        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_flush_and_cleanup(r300, flags, fence);
     } else {
-        if (rfence) {
+        if (fence) {
             /* We have to create a fence object, but the command stream is empty
-             * and we cannot emit an empty CS. We must write some regs then. */
+             * 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);
+            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);
+            r300->rws->cs_flush(r300->cs, flags, NULL);
+        }
+    }
+
+    /* 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)
+                               struct pipe_fence_handle **fence,
+                               unsigned flags)
 {
-    r300_flush(pipe, 0, fence);
+    if (flags & PIPE_FLUSH_HINT_FINISH)
+        flags &= ~PIPE_FLUSH_ASYNC;
+
+    r300_flush(pipe, flags, fence);
 }
 
 void r300_init_flush_functions(struct r300_context* r300)