mirror of
https://github.com/encounter/dawn-cmake.git
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tint: Add PreservePadding transform
This is used to ensure that assignments to host-visible memory do not modify padding bytes in structures and arrays. We decompose assignments of whole structure and array types into member-wise or element-wise copies, using helper functions. This is used in all backends except HLSL, which already decomposes memory accesses. Bug: tint:1571 Change-Id: Id6de2f917fb80151cc654a7e1c8413ae956f0d61 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/112720 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: James Price <jrprice@google.com>
This commit is contained in:
James Price
committed by
Dawn LUCI CQ
Dawn LUCI CQ
parent
f2b8d2b1ab
commit
8753796aac
@@ -37,13 +37,49 @@ layout(binding = 0, std430) buffer s_block_ssbo {
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S inner;
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} s;
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void assign_and_preserve_padding_4_s_a_X_el_X_X(uint dest[3], strided_arr value) {
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s.inner.a[dest[0]].el[dest[0]][dest[0]].el = value.el;
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}
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void assign_and_preserve_padding_3_s_a_X_el_X(uint dest[2], strided_arr value[2]) {
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{
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for(uint i = 0u; (i < 2u); i = (i + 1u)) {
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uint tint_symbol[3] = uint[3](dest[0u], dest[1u], i);
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assign_and_preserve_padding_4_s_a_X_el_X_X(tint_symbol, value[i]);
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}
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}
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}
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void assign_and_preserve_padding_2_s_a_X_el(uint dest[1], strided_arr value[3][2]) {
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{
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for(uint i = 0u; (i < 3u); i = (i + 1u)) {
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uint tint_symbol_1[2] = uint[2](dest[0u], i);
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assign_and_preserve_padding_3_s_a_X_el_X(tint_symbol_1, value[i]);
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}
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}
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}
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void assign_and_preserve_padding_1_s_a_X(uint dest[1], strided_arr_1 value) {
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uint tint_symbol_2[1] = uint[1](dest[0u]);
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assign_and_preserve_padding_2_s_a_X_el(tint_symbol_2, value.el);
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}
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void assign_and_preserve_padding_s_a(strided_arr_1 value[4]) {
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{
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for(uint i = 0u; (i < 4u); i = (i + 1u)) {
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uint tint_symbol_3[1] = uint[1](i);
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assign_and_preserve_padding_1_s_a_X(tint_symbol_3, value[i]);
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}
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}
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}
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void f_1() {
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strided_arr_1 x_19[4] = s.inner.a;
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strided_arr x_24[3][2] = s.inner.a[3].el;
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strided_arr x_28[2] = s.inner.a[3].el[2];
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float x_32 = s.inner.a[3].el[2][1].el;
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strided_arr_1 tint_symbol[4] = strided_arr_1[4](strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u), strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u), strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u), strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u));
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s.inner.a = tint_symbol;
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strided_arr_1 tint_symbol_4[4] = strided_arr_1[4](strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u), strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u), strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u), strided_arr_1(strided_arr[3][2](strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u)), strided_arr[2](strided_arr(0.0f, 0u), strided_arr(0.0f, 0u))), 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u));
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assign_and_preserve_padding_s_a(tint_symbol_4);
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s.inner.a[3].el[2][1].el = 5.0f;
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return;
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}
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@@ -28,13 +28,39 @@ struct S {
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/* 0x0000 */ tint_array<strided_arr_1, 4> a;
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};
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void assign_and_preserve_padding_4(device strided_arr* const dest, strided_arr value) {
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(*(dest)).el = value.el;
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}
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void assign_and_preserve_padding_3(device tint_array<strided_arr, 2>* const dest, tint_array<strided_arr, 2> value) {
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for(uint i = 0u; (i < 2u); i = (i + 1u)) {
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assign_and_preserve_padding_4(&((*(dest))[i]), value[i]);
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}
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}
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void assign_and_preserve_padding_2(device tint_array<tint_array<strided_arr, 2>, 3>* const dest, tint_array<tint_array<strided_arr, 2>, 3> value) {
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for(uint i = 0u; (i < 3u); i = (i + 1u)) {
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assign_and_preserve_padding_3(&((*(dest))[i]), value[i]);
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}
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}
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void assign_and_preserve_padding_1(device strided_arr_1* const dest, strided_arr_1 value) {
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assign_and_preserve_padding_2(&((*(dest)).el), value.el);
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}
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void assign_and_preserve_padding(device tint_array<strided_arr_1, 4>* const dest, tint_array<strided_arr_1, 4> value) {
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for(uint i = 0u; (i < 4u); i = (i + 1u)) {
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assign_and_preserve_padding_1(&((*(dest))[i]), value[i]);
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}
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}
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void f_1(device S* const tint_symbol_1) {
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tint_array<strided_arr_1, 4> const x_19 = (*(tint_symbol_1)).a;
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tint_array<tint_array<strided_arr, 2>, 3> const x_24 = (*(tint_symbol_1)).a[3].el;
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tint_array<strided_arr, 2> const x_28 = (*(tint_symbol_1)).a[3].el[2];
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float const x_32 = (*(tint_symbol_1)).a[3].el[2][1].el;
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tint_array<strided_arr_1, 4> const tint_symbol = tint_array<strided_arr_1, 4>{};
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(*(tint_symbol_1)).a = tint_symbol;
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assign_and_preserve_padding(&((*(tint_symbol_1)).a), tint_symbol);
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(*(tint_symbol_1)).a[3].el[2][1].el = 5.0f;
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return;
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}
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@@ -1,7 +1,7 @@
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; SPIR-V
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; Version: 1.3
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; Generator: Google Tint Compiler; 0
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; Bound: 43
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; Bound: 151
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; Schema: 0
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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@@ -16,6 +16,26 @@
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OpName %strided_arr "strided_arr"
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OpMemberName %strided_arr 0 "el"
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OpName %s "s"
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OpName %assign_and_preserve_padding_4_s_a_X_el_X_X "assign_and_preserve_padding_4_s_a_X_el_X_X"
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OpName %dest "dest"
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OpName %value "value"
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OpName %assign_and_preserve_padding_3_s_a_X_el_X "assign_and_preserve_padding_3_s_a_X_el_X"
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OpName %dest_0 "dest"
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OpName %value_0 "value"
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OpName %i "i"
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OpName %var_for_index "var_for_index"
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OpName %assign_and_preserve_padding_2_s_a_X_el "assign_and_preserve_padding_2_s_a_X_el"
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OpName %dest_1 "dest"
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OpName %value_1 "value"
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OpName %i_0 "i"
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OpName %var_for_index_1 "var_for_index_1"
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OpName %assign_and_preserve_padding_1_s_a_X "assign_and_preserve_padding_1_s_a_X"
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OpName %dest_2 "dest"
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OpName %value_2 "value"
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OpName %assign_and_preserve_padding_s_a "assign_and_preserve_padding_s_a"
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OpName %value_3 "value"
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OpName %i_1 "i"
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OpName %var_for_index_2 "var_for_index_2"
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OpName %f_1 "f_1"
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OpName %f "f"
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OpDecorate %s_block Block
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@@ -28,6 +48,9 @@
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OpDecorate %_arr_strided_arr_1_uint_4 ArrayStride 128
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OpDecorate %s DescriptorSet 0
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OpDecorate %s Binding 0
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OpDecorate %_arr_uint_uint_3 ArrayStride 4
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OpDecorate %_arr_uint_uint_2 ArrayStride 4
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OpDecorate %_arr_uint_uint_1 ArrayStride 4
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%float = OpTypeFloat 32
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%strided_arr = OpTypeStruct %float
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%uint = OpTypeInt 32 0
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@@ -43,36 +66,187 @@
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%_ptr_StorageBuffer_s_block = OpTypePointer StorageBuffer %s_block
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%s = OpVariable %_ptr_StorageBuffer_s_block StorageBuffer
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%void = OpTypeVoid
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%15 = OpTypeFunction %void
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%_arr_uint_uint_3 = OpTypeArray %uint %uint_3
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%15 = OpTypeFunction %void %_arr_uint_uint_3 %strided_arr
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%uint_0 = OpConstant %uint 0
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%_ptr_StorageBuffer__arr_strided_arr_1_uint_4 = OpTypePointer StorageBuffer %_arr_strided_arr_1_uint_4
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%int = OpTypeInt 32 1
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%24 = OpConstantNull %int
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%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %float
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%_arr_uint_uint_2 = OpTypeArray %uint %uint_2
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%31 = OpTypeFunction %void %_arr_uint_uint_2 %_arr_strided_arr_uint_2
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%37 = OpConstantNull %uint
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%_ptr_Function_uint = OpTypePointer Function %uint
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%bool = OpTypeBool
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%_ptr_Function__arr_strided_arr_uint_2 = OpTypePointer Function %_arr_strided_arr_uint_2
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%52 = OpConstantNull %_arr_strided_arr_uint_2
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%uint_1 = OpConstant %uint 1
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%_ptr_Function_strided_arr = OpTypePointer Function %strided_arr
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%_arr_uint_uint_1 = OpTypeArray %uint %uint_1
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%65 = OpTypeFunction %void %_arr_uint_uint_1 %_arr__arr_strided_arr_uint_2_uint_3
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%_ptr_Function__arr__arr_strided_arr_uint_2_uint_3 = OpTypePointer Function %_arr__arr_strided_arr_uint_2_uint_3
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%83 = OpConstantNull %_arr__arr_strided_arr_uint_2_uint_3
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%93 = OpTypeFunction %void %_arr_uint_uint_1 %strided_arr_1
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%102 = OpTypeFunction %void %_arr_strided_arr_1_uint_4
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%_ptr_Function__arr_strided_arr_1_uint_4 = OpTypePointer Function %_arr_strided_arr_1_uint_4
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%118 = OpConstantNull %_arr_strided_arr_1_uint_4
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%_ptr_Function_strided_arr_1 = OpTypePointer Function %strided_arr_1
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%128 = OpTypeFunction %void
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%_ptr_StorageBuffer__arr_strided_arr_1_uint_4 = OpTypePointer StorageBuffer %_arr_strided_arr_1_uint_4
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%int_3 = OpConstant %int 3
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%_ptr_StorageBuffer__arr__arr_strided_arr_uint_2_uint_3 = OpTypePointer StorageBuffer %_arr__arr_strided_arr_uint_2_uint_3
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%int_2 = OpConstant %int 2
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%_ptr_StorageBuffer__arr_strided_arr_uint_2 = OpTypePointer StorageBuffer %_arr_strided_arr_uint_2
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%int_1 = OpConstant %int 1
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%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %float
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%37 = OpConstantNull %_arr_strided_arr_1_uint_4
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%float_5 = OpConstant %float 5
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%f_1 = OpFunction %void None %15
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%18 = OpLabel
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%21 = OpAccessChain %_ptr_StorageBuffer__arr_strided_arr_1_uint_4 %s %uint_0 %uint_0
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%22 = OpLoad %_arr_strided_arr_1_uint_4 %21
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%26 = OpAccessChain %_ptr_StorageBuffer__arr__arr_strided_arr_uint_2_uint_3 %s %uint_0 %uint_0 %int_3 %uint_0
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%27 = OpLoad %_arr__arr_strided_arr_uint_2_uint_3 %26
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%30 = OpAccessChain %_ptr_StorageBuffer__arr_strided_arr_uint_2 %s %uint_0 %uint_0 %int_3 %uint_0 %int_2
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%31 = OpLoad %_arr_strided_arr_uint_2 %30
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%34 = OpAccessChain %_ptr_StorageBuffer_float %s %uint_0 %uint_0 %int_3 %uint_0 %int_2 %int_1 %uint_0
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%35 = OpLoad %float %34
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%36 = OpAccessChain %_ptr_StorageBuffer__arr_strided_arr_1_uint_4 %s %uint_0 %uint_0
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OpStore %36 %37
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%38 = OpAccessChain %_ptr_StorageBuffer_float %s %uint_0 %uint_0 %int_3 %uint_0 %int_2 %int_1 %uint_0
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OpStore %38 %float_5
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%assign_and_preserve_padding_4_s_a_X_el_X_X = OpFunction %void None %15
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%dest = OpFunctionParameter %_arr_uint_uint_3
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%value = OpFunctionParameter %strided_arr
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%21 = OpLabel
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%25 = OpCompositeExtract %uint %dest 0
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%26 = OpCompositeExtract %uint %dest 0
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%27 = OpCompositeExtract %uint %dest 0
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%29 = OpAccessChain %_ptr_StorageBuffer_float %s %uint_0 %uint_0 %25 %uint_0 %26 %27 %uint_0
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%30 = OpCompositeExtract %float %value 0
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OpStore %29 %30
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OpReturn
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OpFunctionEnd
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%f = OpFunction %void None %15
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%assign_and_preserve_padding_3_s_a_X_el_X = OpFunction %void None %31
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%dest_0 = OpFunctionParameter %_arr_uint_uint_2
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%value_0 = OpFunctionParameter %_arr_strided_arr_uint_2
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%36 = OpLabel
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%i = OpVariable %_ptr_Function_uint Function %37
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%var_for_index = OpVariable %_ptr_Function__arr_strided_arr_uint_2 Function %52
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OpStore %i %37
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OpBranch %40
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%40 = OpLabel
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OpLoopMerge %41 %42 None
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OpBranch %43
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%43 = OpLabel
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%45 = OpLoad %uint %i
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%46 = OpULessThan %bool %45 %uint_2
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%44 = OpLogicalNot %bool %46
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OpSelectionMerge %48 None
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OpBranchConditional %44 %49 %48
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%49 = OpLabel
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OpBranch %41
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%48 = OpLabel
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OpStore %var_for_index %value_0
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%54 = OpCompositeExtract %uint %dest_0 0
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%56 = OpCompositeExtract %uint %dest_0 1
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%57 = OpLoad %uint %i
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%58 = OpCompositeConstruct %_arr_uint_uint_3 %54 %56 %57
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%59 = OpLoad %uint %i
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%61 = OpAccessChain %_ptr_Function_strided_arr %var_for_index %59
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%62 = OpLoad %strided_arr %61
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%53 = OpFunctionCall %void %assign_and_preserve_padding_4_s_a_X_el_X_X %58 %62
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OpBranch %42
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%42 = OpLabel
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%63 = OpLoad %uint %i
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%64 = OpIAdd %uint %63 %uint_1
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OpStore %i %64
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OpBranch %40
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%41 = OpLabel
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%42 = OpFunctionCall %void %f_1
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OpReturn
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OpFunctionEnd
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%assign_and_preserve_padding_2_s_a_X_el = OpFunction %void None %65
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%dest_1 = OpFunctionParameter %_arr_uint_uint_1
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%value_1 = OpFunctionParameter %_arr__arr_strided_arr_uint_2_uint_3
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%70 = OpLabel
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%i_0 = OpVariable %_ptr_Function_uint Function %37
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%var_for_index_1 = OpVariable %_ptr_Function__arr__arr_strided_arr_uint_2_uint_3 Function %83
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OpStore %i_0 %37
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OpBranch %72
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%72 = OpLabel
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OpLoopMerge %73 %74 None
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OpBranch %75
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%75 = OpLabel
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%77 = OpLoad %uint %i_0
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%78 = OpULessThan %bool %77 %uint_3
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%76 = OpLogicalNot %bool %78
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OpSelectionMerge %79 None
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OpBranchConditional %76 %80 %79
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%80 = OpLabel
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OpBranch %73
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%79 = OpLabel
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OpStore %var_for_index_1 %value_1
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%85 = OpCompositeExtract %uint %dest_1 0
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%86 = OpLoad %uint %i_0
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%87 = OpCompositeConstruct %_arr_uint_uint_2 %85 %86
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%88 = OpLoad %uint %i_0
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%89 = OpAccessChain %_ptr_Function__arr_strided_arr_uint_2 %var_for_index_1 %88
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%90 = OpLoad %_arr_strided_arr_uint_2 %89
|
||||
%84 = OpFunctionCall %void %assign_and_preserve_padding_3_s_a_X_el_X %87 %90
|
||||
OpBranch %74
|
||||
%74 = OpLabel
|
||||
%91 = OpLoad %uint %i_0
|
||||
%92 = OpIAdd %uint %91 %uint_1
|
||||
OpStore %i_0 %92
|
||||
OpBranch %72
|
||||
%73 = OpLabel
|
||||
OpReturn
|
||||
OpFunctionEnd
|
||||
%assign_and_preserve_padding_1_s_a_X = OpFunction %void None %93
|
||||
%dest_2 = OpFunctionParameter %_arr_uint_uint_1
|
||||
%value_2 = OpFunctionParameter %strided_arr_1
|
||||
%97 = OpLabel
|
||||
%99 = OpCompositeExtract %uint %dest_2 0
|
||||
%100 = OpCompositeConstruct %_arr_uint_uint_1 %99
|
||||
%101 = OpCompositeExtract %_arr__arr_strided_arr_uint_2_uint_3 %value_2 0
|
||||
%98 = OpFunctionCall %void %assign_and_preserve_padding_2_s_a_X_el %100 %101
|
||||
OpReturn
|
||||
OpFunctionEnd
|
||||
%assign_and_preserve_padding_s_a = OpFunction %void None %102
|
||||
%value_3 = OpFunctionParameter %_arr_strided_arr_1_uint_4
|
||||
%105 = OpLabel
|
||||
%i_1 = OpVariable %_ptr_Function_uint Function %37
|
||||
%var_for_index_2 = OpVariable %_ptr_Function__arr_strided_arr_1_uint_4 Function %118
|
||||
OpStore %i_1 %37
|
||||
OpBranch %107
|
||||
%107 = OpLabel
|
||||
OpLoopMerge %108 %109 None
|
||||
OpBranch %110
|
||||
%110 = OpLabel
|
||||
%112 = OpLoad %uint %i_1
|
||||
%113 = OpULessThan %bool %112 %uint_4
|
||||
%111 = OpLogicalNot %bool %113
|
||||
OpSelectionMerge %114 None
|
||||
OpBranchConditional %111 %115 %114
|
||||
%115 = OpLabel
|
||||
OpBranch %108
|
||||
%114 = OpLabel
|
||||
OpStore %var_for_index_2 %value_3
|
||||
%120 = OpLoad %uint %i_1
|
||||
%121 = OpCompositeConstruct %_arr_uint_uint_1 %120
|
||||
%122 = OpLoad %uint %i_1
|
||||
%124 = OpAccessChain %_ptr_Function_strided_arr_1 %var_for_index_2 %122
|
||||
%125 = OpLoad %strided_arr_1 %124
|
||||
%119 = OpFunctionCall %void %assign_and_preserve_padding_1_s_a_X %121 %125
|
||||
OpBranch %109
|
||||
%109 = OpLabel
|
||||
%126 = OpLoad %uint %i_1
|
||||
%127 = OpIAdd %uint %126 %uint_1
|
||||
OpStore %i_1 %127
|
||||
OpBranch %107
|
||||
%108 = OpLabel
|
||||
OpReturn
|
||||
OpFunctionEnd
|
||||
%f_1 = OpFunction %void None %128
|
||||
%130 = OpLabel
|
||||
%132 = OpAccessChain %_ptr_StorageBuffer__arr_strided_arr_1_uint_4 %s %uint_0 %uint_0
|
||||
%133 = OpLoad %_arr_strided_arr_1_uint_4 %132
|
||||
%136 = OpAccessChain %_ptr_StorageBuffer__arr__arr_strided_arr_uint_2_uint_3 %s %uint_0 %uint_0 %int_3 %uint_0
|
||||
%137 = OpLoad %_arr__arr_strided_arr_uint_2_uint_3 %136
|
||||
%140 = OpAccessChain %_ptr_StorageBuffer__arr_strided_arr_uint_2 %s %uint_0 %uint_0 %int_3 %uint_0 %int_2
|
||||
%141 = OpLoad %_arr_strided_arr_uint_2 %140
|
||||
%143 = OpAccessChain %_ptr_StorageBuffer_float %s %uint_0 %uint_0 %int_3 %uint_0 %int_2 %int_1 %uint_0
|
||||
%144 = OpLoad %float %143
|
||||
%145 = OpFunctionCall %void %assign_and_preserve_padding_s_a %118
|
||||
%146 = OpAccessChain %_ptr_StorageBuffer_float %s %uint_0 %uint_0 %int_3 %uint_0 %int_2 %int_1 %uint_0
|
||||
OpStore %146 %float_5
|
||||
OpReturn
|
||||
OpFunctionEnd
|
||||
%f = OpFunction %void None %128
|
||||
%149 = OpLabel
|
||||
%150 = OpFunctionCall %void %f_1
|
||||
OpReturn
|
||||
OpFunctionEnd
|
||||
|
||||
Reference in New Issue
Block a user