130 lines
3.9 KiB
Plaintext
130 lines
3.9 KiB
Plaintext
#!amber
|
|
|
|
# Copyright 2020 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 the GraphicsFuzz project.
|
|
|
|
# Short description: A fragment shader with vec2 in modulus fraction function
|
|
|
|
# The test passes because the shader always writes the color red.
|
|
|
|
SHADER vertex variant_vertex_shader PASSTHROUGH
|
|
|
|
# variant_fragment_shader is derived from the following GLSL:
|
|
# #version 320 es
|
|
# precision highp float;
|
|
#
|
|
# precision highp int;
|
|
#
|
|
# layout(location = 0) out vec4 _GLF_color;
|
|
#
|
|
# void main()
|
|
# {
|
|
# vec2 uv = vec2(1.0, 1.0);
|
|
# uv.x = (modf(1.0, uv.y));
|
|
# // uv.y == 1.0, uv.x == 0.0
|
|
# if (uv.y > 0.0 && uv.x < 1.0)
|
|
# {
|
|
# _GLF_color = vec4(1.0, 0.0, 0.0, 1.0);
|
|
# }
|
|
# else
|
|
# {
|
|
# _GLF_color = vec4(1.0);
|
|
# }
|
|
# }
|
|
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
|
|
; SPIR-V
|
|
; Version: 1.0
|
|
; Generator: Khronos Glslang Reference Front End; 10
|
|
; Bound: 38
|
|
; Schema: 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %34
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 320
|
|
OpName %4 "main"
|
|
OpName %9 "uv"
|
|
OpName %34 "_GLF_color"
|
|
OpDecorate %34 Location 0
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeFloat 32
|
|
%7 = OpTypeVector %6 2
|
|
%8 = OpTypePointer Function %7
|
|
%10 = OpConstant %6 1
|
|
%11 = OpConstantComposite %7 %10 %10
|
|
%12 = OpTypeInt 32 0
|
|
%13 = OpConstant %12 1
|
|
%14 = OpTypePointer Function %6
|
|
%17 = OpConstant %12 0
|
|
%19 = OpTypeBool
|
|
%22 = OpConstant %6 0
|
|
%32 = OpTypeVector %6 4
|
|
%33 = OpTypePointer Output %32
|
|
%34 = OpVariable %33 Output
|
|
%35 = OpConstantComposite %32 %10 %22 %22 %10
|
|
%37 = OpConstantComposite %32 %10 %10 %10 %10
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%9 = OpVariable %8 Function
|
|
OpStore %9 %11
|
|
%15 = OpAccessChain %14 %9 %13
|
|
%16 = OpExtInst %6 %1 Modf %10 %15
|
|
%18 = OpAccessChain %14 %9 %17
|
|
OpStore %18 %16
|
|
%20 = OpAccessChain %14 %9 %13
|
|
%21 = OpLoad %6 %20
|
|
%23 = OpFOrdGreaterThan %19 %21 %22
|
|
OpSelectionMerge %25 None
|
|
OpBranchConditional %23 %24 %25
|
|
%24 = OpLabel
|
|
%26 = OpAccessChain %14 %9 %17
|
|
%27 = OpLoad %6 %26
|
|
%28 = OpFOrdLessThan %19 %27 %10
|
|
OpBranch %25
|
|
%25 = OpLabel
|
|
%29 = OpPhi %19 %23 %5 %28 %24
|
|
OpSelectionMerge %31 None
|
|
OpBranchConditional %29 %30 %36
|
|
%30 = OpLabel
|
|
OpStore %34 %35
|
|
OpBranch %31
|
|
%36 = OpLabel
|
|
OpStore %34 %37
|
|
OpBranch %31
|
|
%31 = OpLabel
|
|
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
|