tgsi/scan: track which shader images are really buffers

Reviewed-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

2 files changed, 7 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index dee6884d14d..65bdab5b1cd 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -427,6 +427,9 @@ scan_declaration(struct tgsi_shader_info *info,
          }
       } else if (file == TGSI_FILE_SAMPLER) {
          info->samplers_declared |= 1 << reg;
+      } else if (file == TGSI_FILE_IMAGE) {
+         if (fulldecl->Image.Resource == TGSI_TEXTURE_BUFFER)
+            info->images_buffers |= 1 << reg;
       }
    }
 }
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index f52729ae2d2..d777f23749b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -123,6 +123,10 @@ struct tgsi_shader_info
     */
    unsigned images_writemask;
    /**
+    * Bitmask indicating which declared image is a buffer.
+    */
+   unsigned images_buffers;
+   /**
     * Bitmask indicating which register files are accessed with
     * indirect addressing.  The bits are (1 << TGSI_FILE_x), etc.
     */