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transform: Don't unroll arrays in DecomposeMemoryAccess

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Arrays can be extremely large, and having the load and store functions unroll the elements can make the complier explode.

Fixed: chromium:1229233
Change-Id: Ieb5654254e16f5ce724a205d21d954ef9a0cd053
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/58382
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
2021-07-16 19:47:44 +00:00
committed by Tint LUCI CQ
parent c33503069c
commit 883fb63e01
18 changed files with 476 additions and 368 deletions
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13
test/buffer/uniform/static_index/read.wgsl.expected.hlsl
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@@ -15,7 +15,7 @@ float2x3 tint_symbol_7(uint4 buffer[13], uint offset) {
return float2x3(asfloat(buffer[scalar_offset / 4].xyz), asfloat(buffer[scalar_offset_1 / 4].xyz));
}
float3x2 tint_symbol_9(uint4 buffer[13], uint offset) {
float3x2 tint_symbol_8(uint4 buffer[13], uint offset) {
const uint scalar_offset_2 = ((offset + 0u)) / 4;
uint4 ubo_load = buffer[scalar_offset_2 / 4];
const uint scalar_offset_3 = ((offset + 8u)) / 4;
@@ -33,8 +33,13 @@ Inner tint_symbol_10(uint4 buffer[13], uint offset) {
typedef tint_padded_array_element tint_symbol_11_ret[4];
tint_symbol_11_ret tint_symbol_11(uint4 buffer[13], uint offset) {
const tint_padded_array_element tint_symbol_13[4] = {{tint_symbol_10(buffer, (offset + 0u))}, {tint_symbol_10(buffer, (offset + 16u))}, {tint_symbol_10(buffer, (offset + 32u))}, {tint_symbol_10(buffer, (offset + 48u))}};
return tint_symbol_13;
tint_padded_array_element arr[4] = (tint_padded_array_element[4])0;
{
for(uint i_1 = 0u; (i_1 < 4u); i_1 = (i_1 + 1u)) {
arr[i_1].el = tint_symbol_10(buffer, (offset + (i_1 * 16u)));
}
}
return arr;
}
[numthreads(1, 1, 1)]
@@ -48,7 +53,7 @@ void main() {
const int2 g = asint(s[3].xy);
const int2 h = asint(s[3].zw);
const float2x3 i = tint_symbol_7(s, 64u);
const float3x2 j = tint_symbol_9(s, 96u);
const float3x2 j = tint_symbol_8(s, 96u);
const Inner k = tint_symbol_10(s, 128u);
const tint_padded_array_element l[4] = tint_symbol_11(s, 144u);
return;