nouveau/nir: Implement load_global_constant
[mesa.git] / src / gallium / drivers / virgl / virgl_buffer.c
index fd00b1748c44b46c9a4b28eca3025c790f871a68..ba32c29ce2c6a688566ab052ce0dee094b2d1a50 100644 (file)
 #include "util/u_inlines.h"
 #include "util/u_memory.h"
 #include "virgl_context.h"
+#include "virgl_encode.h"
 #include "virgl_resource.h"
 #include "virgl_screen.h"
 
-static void *virgl_buffer_transfer_map(struct pipe_context *ctx,
-                                       struct pipe_resource *resource,
-                                       unsigned level,
-                                       unsigned usage,
-                                       const struct pipe_box *box,
-                                       struct pipe_transfer **transfer)
-{
-   struct virgl_context *vctx = virgl_context(ctx);
-   struct virgl_screen *vs = virgl_screen(ctx->screen);
-   struct virgl_resource *vbuf = virgl_resource(resource);
-   struct virgl_transfer *trans;
-   void *ptr;
-   bool readback;
-   bool flush = false;
-
-   trans = virgl_resource_create_transfer(&vctx->transfer_pool, resource,
-                                          &vbuf->metadata, level, usage, box);
-   if (usage & PIPE_TRANSFER_READ)
-      flush = true;
-   else
-      flush = virgl_res_needs_flush(vctx, trans);
-
-   if (flush)
-      ctx->flush(ctx, NULL, 0);
-
-   readback = virgl_res_needs_readback(vctx, vbuf, usage, 0);
-   if (readback)
-      vs->vws->transfer_get(vs->vws, vbuf->hw_res, box, trans->base.stride,
-                            trans->l_stride, trans->offset, level);
-
-   if (readback || flush)
-      vs->vws->resource_wait(vs->vws, vbuf->hw_res);
-
-   ptr = vs->vws->resource_map(vs->vws, vbuf->hw_res);
-   if (!ptr) {
-      virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
-      return NULL;
-   }
-
-   *transfer = &trans->base;
-   return ptr + trans->offset;
-}
-
 static void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
                                         struct pipe_transfer *transfer)
 {
@@ -79,7 +37,7 @@ static void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
    if (trans->base.usage & PIPE_TRANSFER_WRITE) {
       if (transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT) {
          if (trans->range.end <= trans->range.start) {
-            virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
+            virgl_resource_destroy_transfer(vctx, trans);
             return;
          }
 
@@ -88,9 +46,14 @@ static void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
          trans->offset = transfer->box.x;
       }
 
-      virgl_transfer_queue_unmap(&vctx->queue, trans);
+      if (trans->copy_src_hw_res) {
+         virgl_encode_copy_transfer(vctx, trans);
+         virgl_resource_destroy_transfer(vctx, trans);
+      } else {
+         virgl_transfer_queue_unmap(&vctx->queue, trans);
+      }
    } else
-      virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
+      virgl_resource_destroy_transfer(vctx, trans);
 }
 
 static void virgl_buffer_transfer_flush_region(struct pipe_context *ctx,
@@ -108,14 +71,14 @@ static void virgl_buffer_transfer_flush_region(struct pipe_context *ctx,
     *
     * We'll end up flushing 25 --> 70.
     */
-   util_range_add(&trans->range, box->x, box->x + box->width);
+   util_range_add(transfer->resource, &trans->range, box->x, box->x + box->width);
 }
 
 static const struct u_resource_vtbl virgl_buffer_vtbl =
 {
    u_default_resource_get_handle,            /* get_handle */
    virgl_resource_destroy,                   /* resource_destroy */
-   virgl_buffer_transfer_map,                /* transfer_map */
+   virgl_resource_transfer_map,              /* transfer_map */
    virgl_buffer_transfer_flush_region,       /* transfer_flush_region */
    virgl_buffer_transfer_unmap,              /* transfer_unmap */
 };