anv/gpu_memcpy: Add a lighter-weight GPU memcpy function

We'll be performing a GPU memcpy in more places to copy small amounts of
data. Add an alternate function that thrashes less state.

v2:
- Make a new function (Jason Ekstrand).
- Move the #define into the function.
v3:
- Update the function name (Jason).
- Update comments.
v4: Use an indirect drawing register as TEMP_REG (Jason Ekstrand).

Signed-off-by: Nanley Chery <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/intel/vulkan/anv_genX.h b/src/intel/vulkan/anv_genX.h
index 8da5e075dc3..0b7322e2812 100644
--- a/src/intel/vulkan/anv_genX.h
+++ b/src/intel/vulkan/anv_genX.h
@@ -69,5 +69,10 @@ void genX(cmd_buffer_so_memcpy)(struct anv_cmd_buffer *cmd_buffer,
                                 struct anv_bo *src, uint32_t src_offset,
                                 uint32_t size);
 
+void genX(cmd_buffer_mi_memcpy)(struct anv_cmd_buffer *cmd_buffer,
+                                struct anv_bo *dst, uint32_t dst_offset,
+                                struct anv_bo *src, uint32_t src_offset,
+                                uint32_t size);
+
 void genX(blorp_exec)(struct blorp_batch *batch,
                       const struct blorp_params *params);