winsys/amdgpu: add winsys function cs_get_buffer_list

For debugging.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

src/gallium/drivers/radeon/radeon_winsys.h

@@ -368,6 +368,12 @@ struct radeon_surf {
     uint32_t                    num_banks;
 };
 
+struct radeon_bo_list_item {
+    struct pb_buffer *buf;
+    uint64_t vm_address;
+    uint64_t priority_usage; /* mask of (1 << RADEON_PRIO_*) */
+};
+
 struct radeon_winsys {
     /**
      * The screen object this winsys was created for
@@ -641,6 +647,16 @@ struct radeon_winsys {
      */
     boolean (*cs_memory_below_limit)(struct radeon_winsys_cs *cs, uint64_t vram, uint64_t gtt);
 
+    /**
+     * Return the buffer list.
+     *
+     * \param cs    Command stream
+     * \param list  Returned buffer list. Set to NULL to query the count only.
+     * \return      The buffer count.
+     */
+    unsigned (*cs_get_buffer_list)(struct radeon_winsys_cs *cs,
+                                   struct radeon_bo_list_item *list);
+
     /**
      * Flush a command stream.
      *

src/gallium/winsys/amdgpu/drm/amdgpu_cs.c

@@ -416,6 +416,7 @@ static unsigned amdgpu_add_buffer(struct amdgpu_cs *cs,
 
    if (i >= 0) {
       buffer = &cs->buffers[i];
+      buffer->priority_usage |= 1llu << priority;
       buffer->usage |= usage;
       *added_domains = domains & ~buffer->domains;
       buffer->domains |= domains;
@@ -445,6 +446,7 @@ static unsigned amdgpu_add_buffer(struct amdgpu_cs *cs,
    p_atomic_inc(&bo->num_cs_references);
    buffer = &cs->buffers[cs->num_buffers];
    buffer->bo = bo;
+   buffer->priority_usage = 1llu << priority;
    buffer->usage = usage;
    buffer->domains = domains;
 
@@ -500,6 +502,22 @@ static boolean amdgpu_cs_memory_below_limit(struct radeon_winsys_cs *rcs, uint64
    return status;
 }
 
+static unsigned amdgpu_cs_get_buffer_list(struct radeon_winsys_cs *rcs,
+                                          struct radeon_bo_list_item *list)
+{
+    struct amdgpu_cs *cs = amdgpu_cs(rcs);
+    int i;
+
+    if (list) {
+        for (i = 0; i < cs->num_buffers; i++) {
+            pb_reference(&list[i].buf, &cs->buffers[i].bo->base);
+            list[i].vm_address = cs->buffers[i].bo->va;
+            list[i].priority_usage = cs->buffers[i].priority_usage;
+        }
+    }
+    return cs->num_buffers;
+}
+
 static void amdgpu_cs_do_submission(struct amdgpu_cs *cs,
                                     struct pipe_fence_handle **out_fence)
 {
@@ -686,6 +704,7 @@ void amdgpu_cs_init_functions(struct amdgpu_winsys *ws)
    ws->base.cs_lookup_buffer = amdgpu_cs_lookup_buffer;
    ws->base.cs_validate = amdgpu_cs_validate;
    ws->base.cs_memory_below_limit = amdgpu_cs_memory_below_limit;
+   ws->base.cs_get_buffer_list = amdgpu_cs_get_buffer_list;
    ws->base.cs_flush = amdgpu_cs_flush;
    ws->base.cs_is_buffer_referenced = amdgpu_bo_is_referenced;
    ws->base.cs_sync_flush = amdgpu_cs_sync_flush;

src/gallium/winsys/amdgpu/drm/amdgpu_cs.h

@@ -45,6 +45,7 @@ struct amdgpu_ctx {
 
 struct amdgpu_cs_buffer {
    struct amdgpu_winsys_bo *bo;
+   uint64_t priority_usage;
    enum radeon_bo_usage usage;
    enum radeon_bo_domain domains;
 };