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This patch make SPIRV writer support emitting f16 types, f16 literals, f16 constructor and convertor. Unittests are also implemented. Currently SPIRV writer will require 4 capabilities in generated SPIRV: `Float16`, `UniformAndStorageBuffer16BitAccess`, `StorageBuffer16BitAccess`, and `storageInputOutput16`. Bug: tint:1473, tint:1502 Change-Id: Ia1af04f1f4a02bf1b1c2599a5d89791854eabc16 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/95920 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
41 lines
1.6 KiB
Plaintext
41 lines
1.6 KiB
Plaintext
; SPIR-V
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; Version: 1.3
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; Generator: Google Tint Compiler; 0
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; Bound: 19
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; Schema: 0
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OpCapability Shader
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OpCapability Float16
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OpCapability UniformAndStorageBuffer16BitAccess
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OpCapability StorageBuffer16BitAccess
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OpCapability StorageInputOutput16
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %value
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OpExecutionMode %main OriginUpperLeft
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OpName %value "value"
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OpName %main_inner "main_inner"
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OpName %main "main"
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OpDecorate %value Location 0
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%5 = OpConstantNull %v4float
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%value = OpVariable %_ptr_Output_v4float Output %5
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%6 = OpTypeFunction %v4float
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%float_0_100000001 = OpConstant %float 0.100000001
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%float_0_200000003 = OpConstant %float 0.200000003
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%float_0_300000012 = OpConstant %float 0.300000012
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%float_0_400000006 = OpConstant %float 0.400000006
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%13 = OpConstantComposite %v4float %float_0_100000001 %float_0_200000003 %float_0_300000012 %float_0_400000006
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%void = OpTypeVoid
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%14 = OpTypeFunction %void
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%main_inner = OpFunction %v4float None %6
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%8 = OpLabel
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OpReturnValue %13
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OpFunctionEnd
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%main = OpFunction %void None %14
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%17 = OpLabel
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%18 = OpFunctionCall %v4float %main_inner
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OpStore %value %18
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OpReturn
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OpFunctionEnd
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