diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsArithmeticTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsArithmeticTests.cpp
index 3f59a9c..2377030 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsArithmeticTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsArithmeticTests.cpp
@@ -705,6 +705,7 @@
 			<< "  uvec4 mask = subgroupBallot(true);\n"
 			<< bdy.str()
 			<< "  result[gl_VertexIndex] = tempResult;\n"
+			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotBroadcastTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotBroadcastTests.cpp
index cb795cb..bb51610 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotBroadcastTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotBroadcastTests.cpp
@@ -389,6 +389,7 @@
 			<< "  uvec4 mask = subgroupBallot(true);\n"
 			<< bdy.str()
 			<< "  result[gl_VertexIndex] = tempResult;\n"
+			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotOtherTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotOtherTests.cpp
index bde692a..68a89e6 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotOtherTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotOtherTests.cpp
@@ -546,6 +546,7 @@
 			<< "{\n"
 			<< bdy.str()
 			<< "  result[gl_VertexIndex] = tempResult;\n"
+			<< "  gl_PointSize = 1.0;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotTests.cpp
index 9106635..bce6d87 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBallotTests.cpp
@@ -266,6 +266,7 @@
 			<< "  tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2 : 0;\n"
 			<< "  tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4 : 0;\n"
 			<< "  result[gl_VertexIndex] = tempResult;\n"
+			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBasicTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBasicTests.cpp
index 68d6559..0b9e7d1 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBasicTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBasicTests.cpp
@@ -641,6 +641,7 @@
 				<< "  {\n"
 				<< "    result[gl_VertexIndex] = " << UNELECTED_VALUE << ";\n"
 				<< "  }\n"
+				<< "  gl_PointSize = 1.0f;\n"
 				<< "}\n";
 
 			programCollection.glslSources.add("vert")
@@ -918,6 +919,7 @@
 				<< "  uint tempResult = 0;\n"
 				<< bdy.str()
 				<< "  result[gl_VertexIndex] = tempResult;\n"
+				<< "  gl_PointSize = 1.0f;\n"
 				<< "}\n";
 
 			programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinMaskVarTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinMaskVarTests.cpp
index 3a0ad0e..55d18b8 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinMaskVarTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinMaskVarTests.cpp
@@ -291,6 +291,7 @@
 			<< "{\n"
 			<< bdy.str()
 			<< "  result[gl_VertexIndex] = tempResult;\n"
+			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinVarTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinVarTests.cpp
index e5aaf8a..c9397a1 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinVarTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsBuiltinVarTests.cpp
@@ -489,6 +489,7 @@
 			<< "void main (void)\n"
 			<< "{\n"
 			<< "  result[gl_VertexIndex] = uvec4(gl_SubgroupSize, gl_SubgroupInvocationID, 0, 0);\n"
+			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsShuffleTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsShuffleTests.cpp
index d66cfec..1a7f657 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsShuffleTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsShuffleTests.cpp
@@ -392,6 +392,7 @@
 			<< "  {\n"
 			<< "    result[gl_VertexIndex] = 1; // Invocation we read from was inactive, so we can't verify results!\n"
 			<< "  }\n"
+			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsVoteTests.cpp b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsVoteTests.cpp
index 3414739..49af22b 100644
--- a/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsVoteTests.cpp
+++ b/external/vulkancts/modules/vulkan/subgroups/vktSubgroupsVoteTests.cpp
@@ -452,6 +452,7 @@
 				<< "(data[0]) ? 0x4 : 0;\n";
 		}
 
+		src << "  gl_PointSize = 1.0f;\n";
 		src << "}\n";
 
 		programCollection.glslSources.add("vert")
diff --git a/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationInternallySynchronizedObjectsTests.cpp b/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationInternallySynchronizedObjectsTests.cpp
index 77c166a..2e994f1 100644
--- a/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationInternallySynchronizedObjectsTests.cpp
+++ b/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationInternallySynchronizedObjectsTests.cpp
@@ -1115,6 +1115,7 @@
 				<< "void main (void)\n"
 				<< "{\n"
 				<< "   sb_out.result[gl_VertexIndex] = int(gl_VertexIndex);\n"
+				<< "   gl_PointSize = 1.0f;\n"
 				<< "}\n";
 			programCollection.glslSources.add("vert_0") << glu::VertexSource(src.str());
 		}
@@ -1131,6 +1132,7 @@
 				<< "	{\n"
 				<< "		sb_out.result[ndx] = int(ndx);\n"
 				<< "	}\n"
+				<< "	gl_PointSize = 1.0f;\n"
 				<< "}\n";
 			programCollection.glslSources.add("vert_1") << glu::VertexSource(src.str());
 		}
@@ -1147,6 +1149,7 @@
 				<< "	{\n"
 				<< "		sb_out.result[uint(ndx)] = ndx;\n"
 				<< "	}\n"
+				<< "	gl_PointSize = 1.0f;\n"
 				<< "}\n";
 			programCollection.glslSources.add("vert_2") << glu::VertexSource(src.str());
 		}
diff --git a/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationOperation.cpp b/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationOperation.cpp
index 7b947cd..e9de507 100644
--- a/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationOperation.cpp
+++ b/external/vulkancts/modules/vulkan/synchronization/vktSynchronizationOperation.cpp
@@ -3360,6 +3360,7 @@
 				<< "void main (void)\n"
 				<< "{\n"
 				<< "    b_out.data[gl_VertexIndex] = v_in_data;\n"
+				<< "    gl_PointSize = 1.0f;\n"
 				<< "}\n";
 			programCollection.glslSources.add("input_vert") << glu::VertexSource(src.str());
 		}