Added few more stubs so that control reaches to DestroyDevice().

[mesa.git] / src / gallium / drivers / r300 / r300_flush.c

diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
index 34f5419a8648a871256a573f2a5a829835d9adfd..f6c1bf32ca2db24fbd6b0af8183d823893df69a3 100644 (file)
--- a/src/gallium/drivers/r300/r300_flush.c
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -24,17 +24,18 @@
 #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 "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)
+static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags,
+                                   struct pipe_fence_handle **fence)
 {
     struct r300_atom *atom;
 
@@ -43,8 +44,16 @@ static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags)
     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);
+    r300->rws->cs_flush(r300->cs, flags, fence);
     r300->dirty_hw = 0;
 
     /* New kitchen sink, baby. */
@@ -59,6 +68,7 @@ static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags)
     if (!r300->screen->caps.has_tcl) {
         r300->vs_state.dirty = FALSE;
         r300->vs_constants.dirty = FALSE;
+        r300->clip_state.dirty = FALSE;
     }
 }
 
@@ -67,70 +77,62 @@ void r300_flush(struct pipe_context *pipe,
                 struct pipe_fence_handle **fence)
 {
     struct r300_context *r300 = r300_context(pipe);
-    struct pb_buffer **rfence = (struct pb_buffer**)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,
-                                           RADEON_DOMAIN_GTT);
-        /* Add the fence as a dummy relocation. */
-        r300->rws->cs_add_reloc(r300->cs,
-                                r300->rws->buffer_get_cs_handle(*rfence),
-                                RADEON_DOMAIN_GTT, RADEON_DOMAIN_GTT);
-    }
 
     if (r300->dirty_hw) {
-        r300_flush_and_cleanup(r300, flags);
+        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. 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->num_z_clears) {
-        r300->hyperz_time_of_last_flush = os_time_get();
-    } else if (!r300->hyperz_time_of_last_flush > 2000000) {
-        /* 2 seconds without a Z clear pretty much means a dead context
-         * for HyperZ. */
-
-        r300->hiz_in_use = FALSE;
-
-        /* Decompress Z buffer. */
-        if (r300->zmask_in_use) {
-            if (r300->locked_zbuffer) {
-                r300_decompress_zmask_locked(r300);
-            } else {
-                r300_decompress_zmask(r300);
+    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);
             }
 
-            r300_flush_and_cleanup(r300, flags);
+            /* 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;
         }
-
-        /* Release HyperZ. */
-        r300->rws->cs_request_feature(r300->cs, RADEON_FID_HYPERZ_RAM_ACCESS,
-                                      FALSE);
     }
-    r300->num_z_clears = 0;
 }
 
 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)