Fix validation for int8 conversion

Add Int8 capability for conversions between int8 and non-32 bit types

Components: Vulkan

Affects: dEQP-VK.spirv_assembly.*.convert*

Change-Id: I61485d5f6cc8c1d48cc50f1268398b7df7c92d91

diff --git a/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp b/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
index 9177957..09630d1 100644 (file)
--- a/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
+++ b/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
@@ -8844,7 +8844,18 @@ struct ConvertCase
 
                if (usesInt8(from, to))
                {
+                       bool requiresInt8Capability = true;
+                       if (instruction == "OpUConvert" || instruction == "OpSConvert")
+                       {
+                               // Conversions between 8 and 32 bit are provided by SPV_KHR_8bit_storage. The rest requires explicit Int8
+                               if (usesInt32(from, to))
+                                       requiresInt8Capability = false;
+                       }
+
                        caps += "OpCapability StorageBuffer8BitAccess\n";
+                       if (requiresInt8Capability)
+                               caps += "OpCapability Int8\n";
+
                        decl += "%i8         = OpTypeInt 8 1\n"
                                        "%u8         = OpTypeInt 8 0\n";
                        exts += "OpExtension \"SPV_KHR_8bit_storage\"\n";