X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fr300%2Fr300_flush.c;h=f6c1bf32ca2db24fbd6b0af8183d823893df69a3;hb=HEAD;hp=1e80f802f568e1a79fa02dc72fa216d05770a0dd;hpb=5a6ba08c21f24b14458a2084a170ddfbe8f5d793;p=mesa.git

diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
index 1e80f802f56..f6c1bf32ca2 100644
--- a/src/gallium/drivers/r300/r300_flush.c
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -24,72 +24,118 @@
 #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(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;
-    struct r300_fence **rfence = (struct r300_fence**)fence;
 
-    if (r300->draw && !r300->draw_vbo_locked)
-	r300_draw_flush_vbuf(r300);
+    r300_emit_hyperz_end(r300);
+    r300_emit_query_end(r300);
+    if (r300->screen->caps.is_r500)
+        r500_emit_index_bias(r300, 0);
 
-    if (r300->dirty_hw) {
-        r300_emit_hyperz_end(r300);
-        r300_emit_query_end(r300);
-        if (r300->screen->caps.index_bias_supported)
-            r500_emit_index_bias(r300, 0);
-
-        r300->flush_counter++;
-        r300->rws->cs_flush(r300->cs);
-        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;
+    /* The DDX doesn't set these regs. */
+    {
+        CS_LOCALS(r300);
+        OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
+        OUT_CS(0x66666666);
+        OUT_CS(0x6666666);
+    }
 
-        /* Unmark HWTCL state for SWTCL. */
-        if (!r300->screen->caps.has_tcl) {
-            r300->vs_state.dirty = FALSE;
-            r300->vs_constants.dirty = FALSE;
+    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;
 
-        r300->validate_buffers = TRUE;
-        r300->upload_vb_validated = FALSE;
-        r300->upload_ib_validated = FALSE;
-    } 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);
+    /* 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);
 
-    /* reset flushed query */
-    foreach(query, &r300->query_list) {
-        query->flushed = TRUE;
+    if (r300->dirty_hw) {
+        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);
+        }
     }
 
-    /* Create a new fence. */
-    if (rfence) {
-        *rfence = CALLOC_STRUCT(r300_fence);
-        pipe_reference_init(&(*rfence)->reference, 1);
-        (*rfence)->ctx = r300;
+    /* 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)
+{
+    if (flags & PIPE_FLUSH_HINT_FINISH)
+        flags &= ~PIPE_FLUSH_ASYNC;
+
+    r300_flush(pipe, flags, fence);
+}
+
 void r300_init_flush_functions(struct r300_context* r300)
 {
-    r300->context.flush = r300_flush;
+    r300->context.flush = r300_flush_wrapped;
 }