From: Neil Roberts <nrobe...@igalia.com>
This value is different from InstanceID in Vulkan because it shouldn’t
include the baseinstance.
---
.../execution/vs-instance-id.shader_test | 165 ++++++++++++++++++
1 file changed, 165 insertions(+)
create mode 100644 tests/spec/arb_gl_spirv/execution/vs-instance-id.shader_test
diff --git a/tests/spec/arb_gl_spirv/execution/vs-instance-id.shader_test
b/tests/spec/arb_gl_spirv/execution/vs-instance-id.shader_test
new file mode 100644
index 000000000..b3447ec4e
--- /dev/null
+++ b/tests/spec/arb_gl_spirv/execution/vs-instance-id.shader_test
@@ -0,0 +1,165 @@
+# Tests that gl_InstanceID does not include the ‘baseinstance’
+# parameter of the draw call.
+
+[require]
+SPIRV YES
+GL >= 3.3
+GLSL >= 4.5
+GL_ARB_gl_spirv
+
+[vertex shader spirv]
+; Automatically generated from the GLSL by shader_test_spirv.py. DO NOT EDIT
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 6
+; Bound: 37
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Vertex %main "main" %expected_instance_id
%gl_InstanceID %color %_ %piglit_vertex %gl_VertexID
+ OpSource GLSL 450
+ OpName %main "main"
+ OpName %expected_instance_id "expected_instance_id"
+ OpName %gl_InstanceID "gl_InstanceID"
+ OpName %color "color"
+ OpName %gl_PerVertex "gl_PerVertex"
+ OpMemberName %gl_PerVertex 0 "gl_Position"
+ OpMemberName %gl_PerVertex 1 "gl_PointSize"
+ OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
+ OpMemberName %gl_PerVertex 3 "gl_CullDistance"
+ OpName %_ ""
+ OpName %piglit_vertex "piglit_vertex"
+ OpName %gl_VertexID "gl_VertexID"
+ OpDecorate %expected_instance_id Location 1
+ OpDecorate %gl_InstanceID BuiltIn InstanceId
+ OpDecorate %color Location 0
+ OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
+ OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
+ OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
+ OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
+ OpDecorate %gl_PerVertex Block
+ OpDecorate %piglit_vertex Location 0
+ OpDecorate %gl_VertexID BuiltIn VertexId
+ %void = OpTypeVoid
+ %3 = OpTypeFunction %void
+ %int = OpTypeInt 32 1
+%_ptr_Input_int = OpTypePointer Input %int
+%expected_instance_id = OpVariable %_ptr_Input_int Input
+%gl_InstanceID = OpVariable %_ptr_Input_int Input
+ %bool = OpTypeBool
+ %float = OpTypeFloat 32
+ %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+ %color = OpVariable %_ptr_Output_v4float Output
+ %float_0 = OpConstant %float 0
+ %float_1 = OpConstant %float 1
+ %22 = OpConstantComposite %v4float %float_0 %float_1 %float_0 %float_1
+ %24 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1
+ %uint = OpTypeInt 32 0
+ %uint_1 = OpConstant %uint 1
+%_arr_float_uint_1 = OpTypeArray %float %uint_1
+%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1
%_arr_float_uint_1
+%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
+ %_ = OpVariable %_ptr_Output_gl_PerVertex Output
+ %int_0 = OpConstant %int 0
+%_ptr_Input_v4float = OpTypePointer Input %v4float
+%piglit_vertex = OpVariable %_ptr_Input_v4float Input
+%gl_VertexID = OpVariable %_ptr_Input_int Input
+ %main = OpFunction %void None %3
+ %5 = OpLabel
+ %9 = OpLoad %int %expected_instance_id
+ %11 = OpLoad %int %gl_InstanceID
+ %13 = OpIEqual %bool %9 %11
+ OpSelectionMerge %15 None
+ OpBranchConditional %13 %14 %23
+ %14 = OpLabel
+ OpStore %color %22
+ OpBranch %15
+ %23 = OpLabel
+ OpStore %color %24
+ OpBranch %15
+ %15 = OpLabel
+ %34 = OpLoad %v4float %piglit_vertex
+ %35 = OpAccessChain %_ptr_Output_v4float %_ %int_0
+ OpStore %35 %34
+ OpReturn
+ OpFunctionEnd
+
+[vertex shader]
+#version 450
+
+layout(location = 0) in vec4 piglit_vertex;
+layout(location = 1) in int expected_instance_id;
+layout(location = 0) out vec4 color;
+
+void
+main()
+{
+ if (expected_instance_id == gl_InstanceID)
+ color = vec4(0.0, 1.0, 0.0, 1.0);
+ else
+ color = vec4(1.0, 0.0, 0.0, 1.0);
+
+ gl_Position = piglit_vertex;
+}
+
+[fragment shader spirv]
+; Automatically generated from the GLSL by shader_test_spirv.py. DO NOT EDIT
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 6
+; Bound: 13
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %main "main" %color_out %color_in
+ OpExecutionMode %main OriginLowerLeft
+ OpSource GLSL 450
+ OpName %main "main"
+ OpName %color_out "color_out"
+ OpName %color_in "color_in"
+ OpDecorate %color_out Location 0
+ OpDecorate %color_in Location 0
+ %void = OpTypeVoid
+ %3 = OpTypeFunction %void
+ %float = OpTypeFloat 32
+ %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+ %color_out = OpVariable %_ptr_Output_v4float Output
+%_ptr_Input_v4float = OpTypePointer Input %v4float
+ %color_in = OpVariable %_ptr_Input_v4float Input
+ %main = OpFunction %void None %3
+ %5 = OpLabel
+ %12 = OpLoad %v4float %color_in
+ OpStore %color_out %12
+ OpReturn
+ OpFunctionEnd
+
+[fragment shader]
+#version 450
+
+layout(location = 0) in vec4 color_in;
+layout(location = 0) out vec4 color_out;
+
+void
+main()
+{
+ color_out = color_in;
+}
+
+[vertex data]
+0/float/vec2 1/int/int
+-1 -1 0
+1 -1 0
+-1 1 0
+1 1 0
+
+[test]
+clear color 0.8 0.0 0.0 0.0
+clear
+
+draw arrays instanced base GL_TRIANGLE_STRIP 0 4 1 5
+
+probe all rgba 0.0 1.0 0.0 1.0
--
2.19.1
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