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transform/shader_io: Generate a wrapper function

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This is a major reworking of this transform. The old transform code
was getting unwieldy, with part of the complication coming from the
handling of multiple return statements. By generating a wrapper
function instead, we can avoid a lot of this complexity.

The original entry point function is stripped of all shader IO
attributes (as well as `stage` and `workgroup_size`), but the body is
left unmodified. A new entry point wrapper function is introduced
which calls the original function, packing/unpacking the shader inputs
as necessary, and propagates the result to the corresponding shader
outputs.

The new code has been refactored to use a state object with the
different parts of the transform split into separate functions, which
makes it much more manageable.

Fixed: tint:1076
Bug: tint:920
Change-Id: I3490a0ea7a3509a4e198ce730e476516649d8d96
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60521
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-08-04 22:15:28 +00:00
committed by Tint LUCI CQ
parent 3e92e9f8ba
commit a5d73ce965
3866 changed files with 49323 additions and 26508 deletions
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18
test/vk-gl-cts/graphicsfuzz/cov-matching-if-always-true-inside-loop/0-opt.spvasm.expected.hlsl
View File

@@ -25,8 +25,8 @@ int func_i1_(inout int x) {
const int x_89 = asint(x_8[3].x);
const int x_91 = asint(x_8[3].x);
const int x_93 = a;
const int tint_symbol_3[4] = {x_85, x_87, x_89, x_91};
indexable = tint_symbol_3;
const int tint_symbol_2[4] = {x_85, x_87, x_89, x_91};
indexable = tint_symbol_2;
const int x_95 = indexable[x_93];
const int x_96 = x;
if ((x_95 > x_96)) {
@@ -91,9 +91,15 @@ struct tint_symbol {
float4 x_GLF_color_1 : SV_Target0;
};
tint_symbol main() {
main_out main_inner() {
main_1();
const main_out tint_symbol_1 = {x_GLF_color};
const tint_symbol tint_symbol_4 = {tint_symbol_1.x_GLF_color_1};
return tint_symbol_4;
const main_out tint_symbol_3 = {x_GLF_color};
return tint_symbol_3;
}
tint_symbol main() {
const main_out inner_result = main_inner();
tint_symbol wrapper_result = (tint_symbol)0;
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}

28
test/vk-gl-cts/graphicsfuzz/cov-matching-if-always-true-inside-loop/0-opt.spvasm.expected.msl
View File

@@ -41,8 +41,8 @@ int func_i1_(constant buf0& x_8, thread int* const x) {
int const x_89 = x_8.x_GLF_uniform_int_values.arr[3].el;
int const x_91 = x_8.x_GLF_uniform_int_values.arr[3].el;
int const x_93 = a;
tint_array_wrapper_1 const tint_symbol_3 = {.arr={x_85, x_87, x_89, x_91}};
indexable = tint_symbol_3;
tint_array_wrapper_1 const tint_symbol_2 = {.arr={x_85, x_87, x_89, x_91}};
indexable = tint_symbol_2;
int const x_95 = indexable.arr[x_93];
int const x_96 = *(x);
if ((x_95 > x_96)) {
@@ -68,7 +68,7 @@ int func_i1_(constant buf0& x_8, thread int* const x) {
return x_115;
}
void main_1(constant buf0& x_8, thread float4* const tint_symbol_5) {
void main_1(constant buf0& x_8, thread float4* const tint_symbol_4) {
int a_1 = 0;
int param = 0;
int param_1 = 0;
@@ -88,20 +88,26 @@ void main_1(constant buf0& x_8, thread float4* const tint_symbol_5) {
int const x_57 = x_8.x_GLF_uniform_int_values.arr[0].el;
int const x_60 = x_8.x_GLF_uniform_int_values.arr[0].el;
int const x_63 = x_8.x_GLF_uniform_int_values.arr[3].el;
*(tint_symbol_5) = float4(float(x_54), float(x_57), float(x_60), float(x_63));
*(tint_symbol_4) = float4(float(x_54), float(x_57), float(x_60), float(x_63));
} else {
int const x_67 = x_8.x_GLF_uniform_int_values.arr[0].el;
float const x_68 = float(x_67);
*(tint_symbol_5) = float4(x_68, x_68, x_68, x_68);
*(tint_symbol_4) = float4(x_68, x_68, x_68, x_68);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_8 [[buffer(0)]]) {
thread float4 tint_symbol_6 = 0.0f;
main_1(x_8, &(tint_symbol_6));
main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_6};
tint_symbol_1 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
return tint_symbol_4;
main_out tint_symbol_inner(constant buf0& x_8, thread float4* const tint_symbol_5) {
main_1(x_8, tint_symbol_5);
main_out const tint_symbol_3 = {.x_GLF_color_1=*(tint_symbol_5)};
return tint_symbol_3;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_8 [[buffer(0)]]) {
thread float4 tint_symbol_6 = 0.0f;
main_out const inner_result = tint_symbol_inner(x_8, &(tint_symbol_6));
tint_symbol_1 wrapper_result = {};
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}

18
test/vk-gl-cts/graphicsfuzz/cov-matching-if-always-true-inside-loop/0-opt.wgsl.expected.hlsl
View File

@@ -25,8 +25,8 @@ int func_i1_(inout int x) {
const int x_89 = asint(x_8[3].x);
const int x_91 = asint(x_8[3].x);
const int x_93 = a;
const int tint_symbol_3[4] = {x_85, x_87, x_89, x_91};
indexable = tint_symbol_3;
const int tint_symbol_2[4] = {x_85, x_87, x_89, x_91};
indexable = tint_symbol_2;
const int x_95 = indexable[x_93];
const int x_96 = x;
if ((x_95 > x_96)) {
@@ -91,9 +91,15 @@ struct tint_symbol {
float4 x_GLF_color_1 : SV_Target0;
};
tint_symbol main() {
main_out main_inner() {
main_1();
const main_out tint_symbol_1 = {x_GLF_color};
const tint_symbol tint_symbol_4 = {tint_symbol_1.x_GLF_color_1};
return tint_symbol_4;
const main_out tint_symbol_3 = {x_GLF_color};
return tint_symbol_3;
}
tint_symbol main() {
const main_out inner_result = main_inner();
tint_symbol wrapper_result = (tint_symbol)0;
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}

28
test/vk-gl-cts/graphicsfuzz/cov-matching-if-always-true-inside-loop/0-opt.wgsl.expected.msl
View File

@@ -41,8 +41,8 @@ int func_i1_(constant buf0& x_8, thread int* const x) {
int const x_89 = x_8.x_GLF_uniform_int_values.arr[3].el;
int const x_91 = x_8.x_GLF_uniform_int_values.arr[3].el;
int const x_93 = a;
tint_array_wrapper_1 const tint_symbol_3 = {.arr={x_85, x_87, x_89, x_91}};
indexable = tint_symbol_3;
tint_array_wrapper_1 const tint_symbol_2 = {.arr={x_85, x_87, x_89, x_91}};
indexable = tint_symbol_2;
int const x_95 = indexable.arr[x_93];
int const x_96 = *(x);
if ((x_95 > x_96)) {
@@ -68,7 +68,7 @@ int func_i1_(constant buf0& x_8, thread int* const x) {
return x_115;
}
void main_1(constant buf0& x_8, thread float4* const tint_symbol_5) {
void main_1(constant buf0& x_8, thread float4* const tint_symbol_4) {
int a_1 = 0;
int param = 0;
int param_1 = 0;
@@ -88,20 +88,26 @@ void main_1(constant buf0& x_8, thread float4* const tint_symbol_5) {
int const x_57 = x_8.x_GLF_uniform_int_values.arr[0].el;
int const x_60 = x_8.x_GLF_uniform_int_values.arr[0].el;
int const x_63 = x_8.x_GLF_uniform_int_values.arr[3].el;
*(tint_symbol_5) = float4(float(x_54), float(x_57), float(x_60), float(x_63));
*(tint_symbol_4) = float4(float(x_54), float(x_57), float(x_60), float(x_63));
} else {
int const x_67 = x_8.x_GLF_uniform_int_values.arr[0].el;
float const x_68 = float(x_67);
*(tint_symbol_5) = float4(x_68, x_68, x_68, x_68);
*(tint_symbol_4) = float4(x_68, x_68, x_68, x_68);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_8 [[buffer(0)]]) {
thread float4 tint_symbol_6 = 0.0f;
main_1(x_8, &(tint_symbol_6));
main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_6};
tint_symbol_1 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
return tint_symbol_4;
main_out tint_symbol_inner(constant buf0& x_8, thread float4* const tint_symbol_5) {
main_1(x_8, tint_symbol_5);
main_out const tint_symbol_3 = {.x_GLF_color_1=*(tint_symbol_5)};
return tint_symbol_3;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_8 [[buffer(0)]]) {
thread float4 tint_symbol_6 = 0.0f;
main_out const inner_result = tint_symbol_inner(x_8, &(tint_symbol_6));
tint_symbol_1 wrapper_result = {};
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}