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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - LunarG Vulkan smoke test fragement shader compiling issue"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100274#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - LunarG Vulkan smoke test fragement shader compiling issue"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100274">bug 100274</a>
from <span class="vcard"><a class="email" href="mailto:randy.xu@intel.com" title="Randy <randy.xu@intel.com>"> <span class="fn">Randy</span></a>
</span></b>
<pre>The fragement shader is converted to spir-v IR through glslangValidator tool
# glslangValidator -V -H -o Smoke.frag.spv Smoke.frag
The Smoke.frag.spv is correct and can be disassembled as
# spirv-dis Smoke.frag.spv
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 1
; Bound: 19
; Schema: 0
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %fragcolor %color
OpExecutionMode %main OriginUpperLeft
OpSource ESSL 310
OpName %main "main"
OpName %fragcolor "fragcolor"
OpName %color "color"
OpDecorate %fragcolor Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%fragcolor = OpVariable %_ptr_Output_v4float Output
%v3float = OpTypeVector %float 3
%_ptr_Input_v3float = OpTypePointer Input %v3float
%color = OpVariable %_ptr_Input_v3float Input
%float_0_5 = OpConstant %float 0.5
%main = OpFunction %void None %3
%5 = OpLabel
%13 = OpLoad %v3float %color
%15 = OpCompositeExtract %float %13 0
%16 = OpCompositeExtract %float %13 1
%17 = OpCompositeExtract %float %13 2
%18 = OpCompositeConstruct %v4float %15 %16 %17 %float_0_5
OpStore %fragcolor %18
OpReturn
OpFunctionEnd</pre>
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