Fix derivate dynamic tests to check shader stage support

The tests used subgroup ballot operations but didnt
check if the fragment shader stage was supported. This lead
the application to run unsupported tests.

Affects:

dEQP-VK.glsl.derivate.*

Components: Vulkan

VK-GL-CTS issue: 1852

Change-Id: I43b80dc03d0944c407cd86b1df4ae0b9a633c680

diff --git a/external/vulkancts/modules/vulkan/shaderrender/vktShaderRenderDerivateTests.cpp b/external/vulkancts/modules/vulkan/shaderrender/vktShaderRenderDerivateTests.cpp
index 6cfd71c..555b798 100644 (file)
--- a/external/vulkancts/modules/vulkan/shaderrender/vktShaderRenderDerivateTests.cpp
+++ b/external/vulkancts/modules/vulkan/shaderrender/vktShaderRenderDerivateTests.cpp
@@ -700,6 +700,9 @@ tcu::TestStatus TriangleDerivateCaseInstance::iterate (void)
 
                if ((subgroupProperties.supportedOperations & VK_SUBGROUP_FEATURE_BALLOT_BIT) == 0)
                        throw tcu::NotSupportedError("Derivative dynamic control flow tests require VK_SUBGROUP_FEATURE_BALLOT_BIT");
+
+               if ((subgroupProperties.supportedStages & VK_SHADER_STAGE_FRAGMENT_BIT) == 0)
+                       throw tcu::NotSupportedError("Derivative dynamic control flow tests require subgroup supported stage including VK_SHADER_STAGE_FRAGMENT_BIT");
        }
 
        setup();