Revert "gallium: add flag PIPE_TRANSFER_MAP_PERMANENTLY"

This reverts commit 0950086376b1c8b7fb89eda81ed7f2f06dee58bc.

It was decided to refactor the transfer API instead of adding workarounds
to address the performance issues.

2 files changed, 2 insertions, 12 deletions

diff --git a/src/gallium/drivers/i915/i915_resource_buffer.c b/src/gallium/drivers/i915/i915_resource_buffer.c
index c54e481698e..77c03450b3a 100644
--- a/src/gallium/drivers/i915/i915_resource_buffer.c
+++ b/src/gallium/drivers/i915/i915_resource_buffer.c
@@ -68,13 +68,8 @@ i915_get_transfer(struct pipe_context *pipe,
                   const struct pipe_box *box)
 {
    struct i915_context *i915 = i915_context(pipe);
-   struct pipe_transfer *transfer;
+   struct pipe_transfer *transfer = util_slab_alloc(&i915->transfer_pool);
 
-   if (usage & PIPE_TRANSFER_MAP_PERMANENTLY) {
-      return NULL;
-   }
-
-   transfer = util_slab_alloc(&i915->transfer_pool);
    if (transfer == NULL)
       return NULL;
 
diff --git a/src/gallium/drivers/i915/i915_resource_texture.c b/src/gallium/drivers/i915/i915_resource_texture.c
index 64d071c9d53..8ff733a7be5 100644
--- a/src/gallium/drivers/i915/i915_resource_texture.c
+++ b/src/gallium/drivers/i915/i915_resource_texture.c
@@ -720,14 +720,9 @@ i915_texture_get_transfer(struct pipe_context *pipe,
 {
    struct i915_context *i915 = i915_context(pipe);
    struct i915_texture *tex = i915_texture(resource);
-   struct i915_transfer *transfer;
+   struct i915_transfer *transfer = util_slab_alloc(&i915->texture_transfer_pool);
    boolean use_staging_texture = FALSE;
 
-   if (usage & PIPE_TRANSFER_MAP_PERMANENTLY) {
-      return NULL;
-   }
-
-   transfer = util_slab_alloc(&i915->texture_transfer_pool);
    if (transfer == NULL)
       return NULL;