{ "unreachable-return-in-loop.amber", "unreachable-return-in-loop", "A fragment shader with an unreachable return in a loop" },
{ "unreachable-switch-case-with-discards.amber", "unreachable-switch-case-with-discards","A shader with a switch statement containing unreachable discards" },
{ "uv-value-comparison-as-boolean.amber", "uv-value-comparison-as-boolean", "A fragment shader with uv value comparison as boolean" },
+{ "vectors-and-discard-in-function.amber", "vectors-and-discard-in-function", "A fragment shader that assigns vector values" },
{ "while-function-always-false.amber", "while-function-always-false", "A fragment shader with an always false while function" },
{ "while-inside-switch.amber", "while-inside-switch", "A fragment shader that uses a while loop inside a switch" },
{ "write-before-break.amber", "write-before-break", "Fragment shader that writes red before loop break" },
--- /dev/null
+#!amber
+
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# A test for a bug found by GraphicsFuzz.
+
+# Short description: A fragment shader that assigns vector values
+
+# The test passes because shader always writes red.
+
+# Optimized using spirv-opt with the following arguments:
+# '--eliminate-dead-branches'
+# '--eliminate-dead-inserts'
+# '--combine-access-chains'
+# '--eliminate-local-multi-store'
+# '--simplify-instructions'
+# '--eliminate-dead-branches'
+# '--vector-dce'
+# '--combine-access-chains'
+# '--eliminate-local-single-store'
+# '--eliminate-local-multi-store'
+# '--eliminate-dead-inserts'
+# '--if-conversion'
+# '--copy-propagate-arrays'
+# '--combine-access-chains'
+# spirv-opt commit hash: e82a428605f6ce0a07337b36f8ba3935c9f165ac
+
+
+
+SHADER vertex variant_vertex_shader PASSTHROUGH
+
+# variant_fragment_shader is derived from the following GLSL:
+# #version 310 es
+# precision highp float;
+#
+# layout(location = 0) out vec4 _GLF_color;
+#
+# int func()
+# {
+# vec4 tmp;
+# float tmp2[1];
+# float tmp3;
+# vec2 coord = vec2(1.0);
+#
+# if (int(coord.y) < 180) // Always true
+# tmp3 = tmp2[0];
+# else
+# discard;
+#
+# tmp = vec4(tmp3);
+# return 1;
+# }
+#
+# void main()
+# {
+# if (func() == 1)
+# _GLF_color = vec4(1.0, 0.0, 0.0, 1.0);
+# else
+# _GLF_color = vec4(0.0, 0.0, 0.0, 1.0);
+# }
+SHADER fragment variant_fragment_shader SPIRV-ASM
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 8
+; Bound: 54
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %4 "main" %49
+ OpExecutionMode %4 OriginUpperLeft
+ OpSource ESSL 310
+ OpName %4 "main"
+ OpName %8 "func("
+ OpName %13 "coord"
+ OpName %27 "tmp3"
+ OpName %30 "tmp2"
+ OpName %38 "tmp"
+ OpName %49 "_GLF_color"
+ OpDecorate %8 RelaxedPrecision
+ OpDecorate %44 RelaxedPrecision
+ OpDecorate %49 Location 0
+ %2 = OpTypeVoid
+ %3 = OpTypeFunction %2
+ %6 = OpTypeInt 32 1
+ %7 = OpTypeFunction %6
+ %10 = OpTypeFloat 32
+ %11 = OpTypeVector %10 2
+ %12 = OpTypePointer Function %11
+ %14 = OpConstant %10 1
+ %15 = OpConstantComposite %11 %14 %14
+ %16 = OpTypeInt 32 0
+ %17 = OpConstant %16 1
+ %18 = OpTypePointer Function %10
+ %22 = OpConstant %6 180
+ %23 = OpTypeBool
+ %28 = OpTypeArray %10 %17
+ %29 = OpTypePointer Function %28
+ %31 = OpConstant %6 0
+ %36 = OpTypeVector %10 4
+ %37 = OpTypePointer Function %36
+ %41 = OpConstant %6 1
+ %48 = OpTypePointer Output %36
+ %49 = OpVariable %48 Output
+ %50 = OpConstant %10 0
+ %51 = OpConstantComposite %36 %14 %50 %50 %14
+ %53 = OpConstantComposite %36 %50 %50 %50 %14
+ %4 = OpFunction %2 None %3
+ %5 = OpLabel
+ %44 = OpFunctionCall %6 %8
+ %45 = OpIEqual %23 %44 %41
+ OpSelectionMerge %47 None
+ OpBranchConditional %45 %46 %52
+ %46 = OpLabel
+ OpStore %49 %51
+ OpBranch %47
+ %52 = OpLabel
+ OpStore %49 %53
+ OpBranch %47
+ %47 = OpLabel
+ OpReturn
+ OpFunctionEnd
+ %8 = OpFunction %6 None %7
+ %9 = OpLabel
+ %13 = OpVariable %12 Function
+ %27 = OpVariable %18 Function
+ %30 = OpVariable %29 Function
+ %38 = OpVariable %37 Function
+ OpStore %13 %15
+ %19 = OpAccessChain %18 %13 %17
+ %20 = OpLoad %10 %19
+ %21 = OpConvertFToS %6 %20
+ %24 = OpSLessThan %23 %21 %22
+ OpSelectionMerge %26 None
+ OpBranchConditional %24 %25 %34
+ %25 = OpLabel
+ %32 = OpAccessChain %18 %30 %31
+ %33 = OpLoad %10 %32
+ OpStore %27 %33
+ OpBranch %26
+ %34 = OpLabel
+ OpKill
+ %26 = OpLabel
+ %40 = OpCompositeConstruct %36 %33 %33 %33 %33
+ OpStore %38 %40
+ OpReturnValue %41
+ OpFunctionEnd
+END
+
+
+BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM
+
+PIPELINE graphics variant_pipeline
+ ATTACH variant_vertex_shader
+ ATTACH variant_fragment_shader
+ FRAMEBUFFER_SIZE 256 256
+ BIND BUFFER variant_framebuffer AS color LOCATION 0
+END
+CLEAR_COLOR variant_pipeline 0 0 0 255
+
+CLEAR variant_pipeline
+RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256
+
+EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255
projects / platform / upstream / VK-GL-CTS.git / commitdiff