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[WGSL] Allow default as a case selector

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This CL updates the WGSL parser to parse `default` as a case selector
value.

Bug: tint:1633
Change-Id: I57661d25924e36bec5c03f96399c557fb7bbf760
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/106382
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
dan sinclair
2022-10-19 15:55:02 +00:00
committed by Dawn LUCI CQ
parent d27151d333
commit f148f0891b
62 changed files with 1212 additions and 367 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
test/tint/statements/switch/case_default.wgsl Normal file
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@@ -0,0 +1,16 @@
@compute @workgroup_size(1)
fn f() {
var i : i32;
var result : i32;
switch(i) {
case default: {
result = 10;
}
case 1: {
result = 22;
}
case 2: {
result = 33;
}
}
}

20
test/tint/statements/switch/case_default.wgsl.expected.dxc.hlsl Normal file
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@@ -0,0 +1,20 @@
[numthreads(1, 1, 1)]
void f() {
int i = 0;
int result = 0;
switch(i) {
default: {
result = 10;
break;
}
case 1: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
return;
}

20
test/tint/statements/switch/case_default.wgsl.expected.fxc.hlsl Normal file
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@@ -0,0 +1,20 @@
[numthreads(1, 1, 1)]
void f() {
int i = 0;
int result = 0;
switch(i) {
default: {
result = 10;
break;
}
case 1: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
return;
}

26
test/tint/statements/switch/case_default.wgsl.expected.glsl Normal file
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@@ -0,0 +1,26 @@
#version 310 es
void f() {
int i = 0;
int result = 0;
switch(i) {
default: {
result = 10;
break;
}
case 1: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
}
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main() {
f();
return;
}

23
test/tint/statements/switch/case_default.wgsl.expected.msl Normal file
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@@ -0,0 +1,23 @@
#include <metal_stdlib>
using namespace metal;
kernel void f() {
int i = 0;
int result = 0;
switch(i) {
default: {
result = 10;
break;
}
case 1: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
return;
}

39
test/tint/statements/switch/case_default.wgsl.expected.spvasm Normal file
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@@ -0,0 +1,39 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 18
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %f "f"
OpExecutionMode %f LocalSize 1 1 1
OpName %f "f"
OpName %i "i"
OpName %result "result"
%void = OpTypeVoid
%1 = OpTypeFunction %void
%int = OpTypeInt 32 1
%_ptr_Function_int = OpTypePointer Function %int
%8 = OpConstantNull %int
%int_10 = OpConstant %int 10
%int_22 = OpConstant %int 22
%int_33 = OpConstant %int 33
%f = OpFunction %void None %1
%4 = OpLabel
%i = OpVariable %_ptr_Function_int Function %8
%result = OpVariable %_ptr_Function_int Function %8
%11 = OpLoad %int %i
OpSelectionMerge %10 None
OpSwitch %11 %12 1 %13 2 %14
%12 = OpLabel
OpStore %result %int_10
OpBranch %10
%13 = OpLabel
OpStore %result %int_22
OpBranch %10
%14 = OpLabel
OpStore %result %int_33
OpBranch %10
%10 = OpLabel
OpReturn
OpFunctionEnd

16
test/tint/statements/switch/case_default.wgsl.expected.wgsl Normal file
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@@ -0,0 +1,16 @@
@compute @workgroup_size(1)
fn f() {
var i : i32;
var result : i32;
switch(i) {
default: {
result = 10;
}
case 1: {
result = 22;
}
case 2: {
result = 33;
}
}
}

16
test/tint/statements/switch/case_default_mixed.wgsl Normal file
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@@ -0,0 +1,16 @@
@compute @workgroup_size(1)
fn f() {
var i : i32;
var result : i32;
switch(i) {
case 0: {
result = 10;
}
case 1, default: {
result = 22;
}
case 2: {
result = 33;
}
}
}

21
test/tint/statements/switch/case_default_mixed.wgsl.expected.dxc.hlsl Normal file
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@@ -0,0 +1,21 @@
[numthreads(1, 1, 1)]
void f() {
int i = 0;
int result = 0;
switch(i) {
case 0: {
result = 10;
break;
}
case 1:
default: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
return;
}

21
test/tint/statements/switch/case_default_mixed.wgsl.expected.fxc.hlsl Normal file
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@@ -0,0 +1,21 @@
[numthreads(1, 1, 1)]
void f() {
int i = 0;
int result = 0;
switch(i) {
case 0: {
result = 10;
break;
}
case 1:
default: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
return;
}

27
test/tint/statements/switch/case_default_mixed.wgsl.expected.glsl Normal file
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@@ -0,0 +1,27 @@
#version 310 es
void f() {
int i = 0;
int result = 0;
switch(i) {
case 0: {
result = 10;
break;
}
case 1:
default: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
}
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main() {
f();
return;
}

24
test/tint/statements/switch/case_default_mixed.wgsl.expected.msl Normal file
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@@ -0,0 +1,24 @@
#include <metal_stdlib>
using namespace metal;
kernel void f() {
int i = 0;
int result = 0;
switch(i) {
case 0: {
result = 10;
break;
}
case 1:
default: {
result = 22;
break;
}
case 2: {
result = 33;
break;
}
}
return;
}

39
test/tint/statements/switch/case_default_mixed.wgsl.expected.spvasm Normal file
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@@ -0,0 +1,39 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 18
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %f "f"
OpExecutionMode %f LocalSize 1 1 1
OpName %f "f"
OpName %i "i"
OpName %result "result"
%void = OpTypeVoid
%1 = OpTypeFunction %void
%int = OpTypeInt 32 1
%_ptr_Function_int = OpTypePointer Function %int
%8 = OpConstantNull %int
%int_10 = OpConstant %int 10
%int_22 = OpConstant %int 22
%int_33 = OpConstant %int 33
%f = OpFunction %void None %1
%4 = OpLabel
%i = OpVariable %_ptr_Function_int Function %8
%result = OpVariable %_ptr_Function_int Function %8
%11 = OpLoad %int %i
OpSelectionMerge %10 None
OpSwitch %11 %12 0 %13 1 %12 2 %14
%13 = OpLabel
OpStore %result %int_10
OpBranch %10
%12 = OpLabel
OpStore %result %int_22
OpBranch %10
%14 = OpLabel
OpStore %result %int_33
OpBranch %10
%10 = OpLabel
OpReturn
OpFunctionEnd

16
test/tint/statements/switch/case_default_mixed.wgsl.expected.wgsl Normal file
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@@ -0,0 +1,16 @@
@compute @workgroup_size(1)
fn f() {
var i : i32;
var result : i32;
switch(i) {
case 0: {
result = 10;
}
case 1, default: {
result = 22;
}
case 2: {
result = 33;
}
}
}