intel/compiler: store the FS inputs in WM prog data

Store the fragment shader inputs in the program data so we can use them
later when required without needing the NIR shader.

Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2010>

diff --git a/src/intel/compiler/brw_compiler.h b/src/intel/compiler/brw_compiler.h
index 2048cfaafccde43642ab3721633ca6ae4d0def10..99047998e9afb6c9c543e2f8dcf5ee368695cc9e 100644 (file)
--- a/src/intel/compiler/brw_compiler.h
+++ b/src/intel/compiler/brw_compiler.h
@@ -780,6 +780,11 @@ struct brw_wm_prog_data {
     */
    uint32_t flat_inputs;
 
+   /**
+    * The FS inputs
+    */
+   uint64_t inputs;
+
    /* Mapping of VUE slots to interpolation modes.
     * Used by the Gen4-5 clip/sf/wm stages.
     */

diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index d20af30b32d961ae57fc4c419e233fcd1adff5c9..ed9005f86d8d0ca024139cc007274671da73ab19 100644 (file)
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -1748,6 +1748,7 @@ calculate_urb_setup(const struct gen_device_info *devinfo,
    }
 
    prog_data->num_varying_inputs = urb_next;
+   prog_data->inputs = nir->info.inputs_read;
 
    brw_compute_urb_setup_index(prog_data);
 }