intel/isl: Add an isl_swizzle structure and use it for isl_view swizzles

This should be more compact than the enum isl_channel_select[4] that we
were using before.  It's also very convenient because we already had such a
structure in the Vulkan driver we just needed to pull it over.

Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Topi Pohjolainen <[email protected]>

1 files changed, 6 insertions, 4 deletions

diff --git a/src/intel/blorp/blorp_blit.c b/src/intel/blorp/blorp_blit.c
index 2b6adc39f01..0531bfb0d29 100644
--- a/src/intel/blorp/blorp_blit.c
+++ b/src/intel/blorp/blorp_blit.c
@@ -1637,10 +1637,12 @@ blorp_blit(struct blorp_batch *batch,
 
    brw_blorp_get_blit_kernel(batch->blorp, &params, &wm_prog_key);
 
-   for (unsigned i = 0; i < 4; i++) {
-      params.src.view.channel_select[i] =
-         swizzle_to_scs(GET_SWZ(src_swizzle, i));
-   }
+   params.src.view.swizzle = (struct isl_swizzle) {
+      .r = swizzle_to_scs(GET_SWZ(src_swizzle, 0)),
+      .g = swizzle_to_scs(GET_SWZ(src_swizzle, 1)),
+      .b = swizzle_to_scs(GET_SWZ(src_swizzle, 2)),
+      .a = swizzle_to_scs(GET_SWZ(src_swizzle, 3)),
+   };
 
    batch->blorp->exec(batch, &params);
 }