From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 20 Nov 2018 03:27:15 +0000 (-0500)
Subject: tgsi/scan: add more information about bindless usage
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2a936f8afaba6ce4fdd44bb24cb016413a611b4e;p=mesa.git

tgsi/scan: add more information about bindless usage

radeonsi will use this.
---

diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index e13500a7f7b..4ca84902dd4 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -368,7 +368,19 @@ scan_instruction(struct tgsi_shader_info *info,
          info->uses_bindless_samplers = true;
       break;
    case TGSI_OPCODE_RESQ:
+      if (tgsi_is_bindless_image_file(fullinst->Src[0].Register.File))
+         info->uses_bindless_images = true;
+      break;
    case TGSI_OPCODE_LOAD:
+      if (tgsi_is_bindless_image_file(fullinst->Src[0].Register.File)) {
+         info->uses_bindless_images = true;
+
+         if (fullinst->Memory.Texture == TGSI_TEXTURE_BUFFER)
+            info->uses_bindless_buffer_load = true;
+         else
+            info->uses_bindless_image_load = true;
+      }
+      break;
    case TGSI_OPCODE_ATOMUADD:
    case TGSI_OPCODE_ATOMXCHG:
    case TGSI_OPCODE_ATOMCAS:
@@ -379,12 +391,24 @@ scan_instruction(struct tgsi_shader_info *info,
    case TGSI_OPCODE_ATOMUMAX:
    case TGSI_OPCODE_ATOMIMIN:
    case TGSI_OPCODE_ATOMIMAX:
-      if (tgsi_is_bindless_image_file(fullinst->Src[0].Register.File))
+      if (tgsi_is_bindless_image_file(fullinst->Src[0].Register.File)) {
          info->uses_bindless_images = true;
+
+         if (fullinst->Memory.Texture == TGSI_TEXTURE_BUFFER)
+            info->uses_bindless_buffer_atomic = true;
+         else
+            info->uses_bindless_image_atomic = true;
+      }
       break;
    case TGSI_OPCODE_STORE:
-      if (tgsi_is_bindless_image_file(fullinst->Dst[0].Register.File))
+      if (tgsi_is_bindless_image_file(fullinst->Dst[0].Register.File)) {
          info->uses_bindless_images = true;
+
+         if (fullinst->Memory.Texture == TGSI_TEXTURE_BUFFER)
+            info->uses_bindless_buffer_store = true;
+         else
+            info->uses_bindless_image_store = true;
+      }
       break;
    default:
       break;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index 1887ff342de..64f2598a259 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -153,6 +153,13 @@ struct tgsi_shader_info
    unsigned shader_buffers_load; /**< bitmask of shader buffers using loads */
    unsigned shader_buffers_store; /**< bitmask of shader buffers using stores */
    unsigned shader_buffers_atomic; /**< bitmask of shader buffers using atomics */
+   bool uses_bindless_buffer_load;
+   bool uses_bindless_buffer_store;
+   bool uses_bindless_buffer_atomic;
+   bool uses_bindless_image_load;
+   bool uses_bindless_image_store;
+   bool uses_bindless_image_atomic;
+
    /**
     * Bitmask indicating which register files are accessed with
     * indirect addressing.  The bits are (1 << TGSI_FILE_x), etc.