[Piglit] [PATCH 34/63] arb_gl_spirv: Add a test for gl_VertexID
Alejandro Piñeiro
apinheiro at igalia.com
Sat Feb 23 23:45:22 UTC 2019
From: Neil Roberts <nroberts at igalia.com>
This value is different from Vulkan because it should include the
firstvertex and basevertex parameters.
---
.../execution/vs-vertex-id.shader_test | 192 ++++++++++++++++++
1 file changed, 192 insertions(+)
create mode 100644 tests/spec/arb_gl_spirv/execution/vs-vertex-id.shader_test
diff --git a/tests/spec/arb_gl_spirv/execution/vs-vertex-id.shader_test b/tests/spec/arb_gl_spirv/execution/vs-vertex-id.shader_test
new file mode 100644
index 000000000..235655556
--- /dev/null
+++ b/tests/spec/arb_gl_spirv/execution/vs-vertex-id.shader_test
@@ -0,0 +1,192 @@
+# Tests that gl_VertexID includes the ‘first’ parameter of non-indexed
+# draw calls and the ‘baseVertex’ parameter of indexed draws.
+
+[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: 44
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Vertex %main "main" %expected_vertex_id %gl_VertexID %color %_ %piglit_vertex %gl_InstanceID
+ OpSource GLSL 450
+ OpName %main "main"
+ OpName %expected_vertex_id "expected_vertex_id"
+ OpName %gl_VertexID "gl_VertexID"
+ 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_InstanceID "gl_InstanceID"
+ OpDecorate %expected_vertex_id Location 1
+ OpDecorate %gl_VertexID BuiltIn VertexId
+ 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_InstanceID BuiltIn InstanceId
+ %void = OpTypeVoid
+ %3 = OpTypeFunction %void
+ %int = OpTypeInt 32 1
+%_ptr_Input_int = OpTypePointer Input %int
+%expected_vertex_id = OpVariable %_ptr_Input_int Input
+%gl_VertexID = 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
+ %float_255 = OpConstant %float 255
+ %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_InstanceID = OpVariable %_ptr_Input_int Input
+ %main = OpFunction %void None %3
+ %5 = OpLabel
+ %9 = OpLoad %int %expected_vertex_id
+ %11 = OpLoad %int %gl_VertexID
+ %13 = OpIEqual %bool %9 %11
+ OpSelectionMerge %15 None
+ OpBranchConditional %13 %14 %23
+ %14 = OpLabel
+ OpStore %color %22
+ OpBranch %15
+ %23 = OpLabel
+ %24 = OpLoad %int %expected_vertex_id
+ %25 = OpConvertSToF %float %24
+ %27 = OpFDiv %float %25 %float_255
+ %28 = OpLoad %int %gl_VertexID
+ %29 = OpConvertSToF %float %28
+ %30 = OpFDiv %float %29 %float_255
+ %31 = OpCompositeConstruct %v4float %float_1 %27 %30 %float_1
+ OpStore %color %31
+ OpBranch %15
+ %15 = OpLabel
+ %41 = OpLoad %v4float %piglit_vertex
+ %42 = OpAccessChain %_ptr_Output_v4float %_ %int_0
+ OpStore %42 %41
+ OpReturn
+ OpFunctionEnd
+
+[vertex shader]
+#version 450
+
+layout(location = 0) in vec4 piglit_vertex;
+layout(location = 1) in int expected_vertex_id;
+layout(location = 0) out vec4 color;
+
+void
+main()
+{
+ if (expected_vertex_id == gl_VertexID) {
+ color = vec4(0.0, 1.0, 0.0, 1.0);
+ } else {
+ color = vec4(1.0,
+ expected_vertex_id / 255.0,
+ gl_VertexID / 255.0,
+ 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 -1
+1 -1 -1
+-1 1 -1
+1 1 -1
+-1 -1 4
+0 -1 5
+-1 1 6
+0 1 7
+-1 -1 -1
+1 -1 -1
+-1 1 -1
+1 1 -1
+0 -1 12
+1 -1 13
+0 1 14
+1 1 15
+
+[elements]
+10 11 12 13
+
+[test]
+clear color 0.8 0.0 0.0 0.0
+clear
+
+draw arrays GL_TRIANGLE_STRIP 4 4 1
+draw elements GL_TRIANGLE_STRIP 4 2
+
+probe all rgba 0.0 1.0 0.0 1.0
--
2.19.1
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