1 files changed, 35 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_batchbuffer.c b/src/mesa/drivers/dri/intel/intel_batchbuffer.c
index ae0f8a16f9..9768b0deee 100644
--- a/src/mesa/drivers/dri/intel/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/intel/intel_batchbuffer.c
@@ -104,7 +104,8 @@ do_flush_locked(struct intel_batchbuffer *batch, GLuint used)
    batch->map = NULL;
    batch->ptr = NULL;
 
-   dri_bo_exec(batch->buf, used, NULL, 0, (x_off & 0xffff) | (y_off << 16));
+   if (!intel->no_hw)
+      dri_bo_exec(batch->buf, used, NULL, 0, (x_off & 0xffff) | (y_off << 16));
 
    if (INTEL_DEBUG & DEBUG_BATCH) {
       dri_bo_map(batch->buf, GL_FALSE);
@@ -158,9 +159,10 @@ _intel_batchbuffer_flush(struct intel_batchbuffer *batch, const char *file,
    }
 
    /* Mark the end of the buffer. */
-   *(GLuint *) (batch->ptr) = MI_BATCH_BUFFER_END; /* noop */
+   *(GLuint *) (batch->ptr) = MI_BATCH_BUFFER_END;
    batch->ptr += 4;
    used = batch->ptr - batch->map;
+   assert (used <= batch->buf->size);
 
    /* Workaround for recursive batchbuffer flushing: If the window is
     * moved, we can get into a case where we try to flush during a
@@ -208,9 +210,11 @@ intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
 {
    int ret;
 
+   assert(delta < buffer->size);
+
    if (batch->ptr - batch->map > batch->buf->size)
-    _mesa_printf ("bad relocation ptr %p map %p offset %d size %d\n",
-		  batch->ptr, batch->map, batch->ptr - batch->map, batch->buf->size);
+    printf ("bad relocation ptr %p map %p offset %d size %lu\n",
+	    batch->ptr, batch->map, batch->ptr - batch->map, batch->buf->size);
    ret = dri_bo_emit_reloc(batch->buf, read_domains, write_domain,
 			   delta, batch->ptr - batch->map, buffer);
 
@@ -224,6 +228,33 @@ intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
    return GL_TRUE;
 }
 
+GLboolean
+intel_batchbuffer_emit_reloc_fenced(struct intel_batchbuffer *batch,
+				    drm_intel_bo *buffer,
+				    uint32_t read_domains, uint32_t write_domain,
+				    uint32_t delta)
+{
+   int ret;
+
+   assert(delta < buffer->size);
+
+   if (batch->ptr - batch->map > batch->buf->size)
+    printf ("bad relocation ptr %p map %p offset %d size %lu\n",
+	    batch->ptr, batch->map, batch->ptr - batch->map, batch->buf->size);
+   ret = drm_intel_bo_emit_reloc_fence(batch->buf, batch->ptr - batch->map,
+				       buffer, delta,
+				       read_domains, write_domain);
+
+   /*
+    * Using the old buffer offset, write in what the right data would
+    * be, in case the buffer doesn't move and we can short-circuit the
+    * relocation processing in the kernel
+    */
+   intel_batchbuffer_emit_dword (batch, buffer->offset + delta);
+
+   return GL_TRUE;
+}
+
 void
 intel_batchbuffer_data(struct intel_batchbuffer *batch,
                        const void *data, GLuint bytes)