From: Jason Ekstrand <jason@jlekstrand.net>
Date: Wed, 22 Apr 2020 18:43:51 +0000 (-0500)
Subject: turnip: Properly handle all sizes of specialization constants
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6211e79ba5f4be57c088fdf6140854f67c9a37ec;p=mesa.git

turnip: Properly handle all sizes of specialization constants

cc: mesa-stable@lists.freedesktop.org

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4675>
---

diff --git a/src/freedreno/vulkan/tu_shader.c b/src/freedreno/vulkan/tu_shader.c
index d58209c404c..3c674156afe 100644
--- a/src/freedreno/vulkan/tu_shader.c
+++ b/src/freedreno/vulkan/tu_shader.c
@@ -62,10 +62,23 @@ tu_spirv_to_nir(struct ir3_compiler *compiler,
          const void *data = spec_info->pData + entry->offset;
          assert(data + entry->size <= spec_info->pData + spec_info->dataSize);
          spec[i].id = entry->constantID;
-         if (entry->size == 8)
-            spec[i].data64 = *(const uint64_t *) data;
-         else
-            spec[i].data32 = *(const uint32_t *) data;
+         switch (entry->size) {
+         case 8:
+            spec[i].data64 = *(const uint64_t *)data;
+            break;
+         case 4:
+            spec[i].data32 = *(const uint32_t *)data;
+            break;
+         case 2:
+            spec[i].data32 = *(const uint16_t *)data;
+            break;
+         case 1:
+            spec[i].data32 = *(const uint8_t *)data;
+            break;
+         default:
+            assert(!"Invalid spec constant size");
+            break;
+         }
          spec[i].defined_on_module = false;
       }