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2026-05-06 23:44:13 +02:00
parent a5f787d80f
commit fd7038b853
1574 changed files with 365439 additions and 0 deletions
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+#!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; reduced by spirv-fuzz and by hand.
+# A fragment shader with two nested loops. All loop conditions are false.
+# We check that all pixels are red. The test passes because the final statement
+# writes red to _GLF_color.
+
+SHADER vertex variant_vertex_shader PASSTHROUGH
+
+SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos SPIR-V Tools Assembler; 0
+; Bound: 22
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %2 "main" %3
+               OpExecutionMode %2 OriginUpperLeft
+               OpSource ESSL 310
+               OpName %2 "main"
+               OpName %3 "_GLF_color"
+               OpDecorate %3 Location 0
+          %4 = OpTypeVoid
+          %5 = OpTypeFunction %4
+          %6 = OpTypeFloat 32
+          %7 = OpConstant %6 1
+          %8 = OpConstant %6 0
+          %9 = OpTypeVector %6 4
+         %10 = OpConstantComposite %9 %7 %8 %8 %7
+         %11 = OpTypePointer Output %9
+          %3 = OpVariable %11 Output
+         %12 = OpTypeBool
+         %13 = OpConstantTrue %12
+         %14 = OpConstantFalse %12
+          %2 = OpFunction %4 None %5
+         %15 = OpLabel
+               OpBranch %16
+         %16 = OpLabel
+               OpLoopMerge %17 %18 None
+               OpBranchConditional %14 %19 %17
+         %19 = OpLabel
+               OpLoopMerge %20 %21 None
+               OpBranchConditional %14 %20 %20
+         %21 = OpLabel
+               OpBranch %19
+         %20 = OpLabel
+               OpBranch %18
+         %18 = OpLabel
+               OpBranch %16
+         %17 = OpLabel
+               OpStore %3 %10
+               OpReturn
+               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