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https://github.com/encounter/dawn-cmake.git
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a5d73ce965
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>
110 lines
4.4 KiB
Plaintext
110 lines
4.4 KiB
Plaintext
#include <metal_stdlib>
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using namespace metal;
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struct tint_padded_array_element {
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/* 0x0000 */ int el;
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/* 0x0004 */ int8_t tint_pad[12];
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};
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struct tint_array_wrapper {
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/* 0x0000 */ tint_padded_array_element arr[4];
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};
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struct buf1 {
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/* 0x0000 */ tint_array_wrapper x_GLF_uniform_int_values;
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};
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struct tint_padded_array_element_1 {
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/* 0x0000 */ float el;
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/* 0x0004 */ int8_t tint_pad_1[12];
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};
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struct tint_array_wrapper_1 {
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/* 0x0000 */ tint_padded_array_element_1 arr[1];
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};
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struct buf0 {
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/* 0x0000 */ tint_array_wrapper_1 x_GLF_uniform_float_values;
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};
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struct main_out {
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float4 x_GLF_color_1;
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};
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struct tint_symbol_1 {
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float4 x_GLF_color_1 [[color(0)]];
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};
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void main_1(constant buf1& x_6, constant buf0& x_10, thread float4* const tint_symbol_3) {
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float4x4 m0 = float4x4(0.0f);
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int c = 0;
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float4x4 m1 = float4x4(0.0f);
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int const x_40 = x_6.x_GLF_uniform_int_values.arr[1].el;
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float const x_41 = float(x_40);
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m0 = float4x4(float4(x_41, 0.0f, 0.0f, 0.0f), float4(0.0f, x_41, 0.0f, 0.0f), float4(0.0f, 0.0f, x_41, 0.0f), float4(0.0f, 0.0f, 0.0f, x_41));
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int const x_48 = x_6.x_GLF_uniform_int_values.arr[2].el;
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c = x_48;
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while (true) {
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int const x_53 = c;
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int const x_55 = x_6.x_GLF_uniform_int_values.arr[0].el;
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if ((x_53 < x_55)) {
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} else {
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break;
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}
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float4x4 const x_58 = m0;
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m1 = x_58;
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int const x_59 = c;
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int const x_61 = x_6.x_GLF_uniform_int_values.arr[3].el;
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int const x_64 = x_6.x_GLF_uniform_int_values.arr[2].el;
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float const x_66 = x_10.x_GLF_uniform_float_values.arr[0].el;
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m1[(x_59 % x_61)][x_64] = x_66;
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int const x_68 = c;
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int const x_70 = x_6.x_GLF_uniform_int_values.arr[3].el;
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int const x_73 = x_6.x_GLF_uniform_int_values.arr[2].el;
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float const x_75 = x_10.x_GLF_uniform_float_values.arr[0].el;
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m0[(x_68 % x_70)][x_73] = x_75;
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{
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int const x_77 = c;
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c = as_type<int>((as_type<uint>(x_77) + as_type<uint>(1)));
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}
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}
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float4x4 const x_79 = m0;
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int const x_81 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_84 = x_6.x_GLF_uniform_int_values.arr[2].el;
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int const x_87 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_90 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_93 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_96 = x_6.x_GLF_uniform_int_values.arr[2].el;
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int const x_99 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_102 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_105 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_108 = x_6.x_GLF_uniform_int_values.arr[2].el;
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int const x_111 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_114 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_117 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_120 = x_6.x_GLF_uniform_int_values.arr[2].el;
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int const x_123 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_126 = x_6.x_GLF_uniform_int_values.arr[1].el;
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float4x4 const x_132 = float4x4(float4(float(x_81), float(x_84), float(x_87), float(x_90)), float4(float(x_93), float(x_96), float(x_99), float(x_102)), float4(float(x_105), float(x_108), float(x_111), float(x_114)), float4(float(x_117), float(x_120), float(x_123), float(x_126)));
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if ((((all((x_79[0u] == x_132[0u])) && all((x_79[1u] == x_132[1u]))) && all((x_79[2u] == x_132[2u]))) && all((x_79[3u] == x_132[3u])))) {
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int const x_156 = x_6.x_GLF_uniform_int_values.arr[2].el;
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int const x_159 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_162 = x_6.x_GLF_uniform_int_values.arr[1].el;
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int const x_165 = x_6.x_GLF_uniform_int_values.arr[2].el;
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*(tint_symbol_3) = float4(float(x_156), float(x_159), float(x_162), float(x_165));
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} else {
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int const x_169 = x_6.x_GLF_uniform_int_values.arr[1].el;
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float const x_170 = float(x_169);
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*(tint_symbol_3) = float4(x_170, x_170, x_170, x_170);
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}
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return;
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}
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main_out tint_symbol_inner(constant buf1& x_6, constant buf0& x_10, thread float4* const tint_symbol_4) {
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main_1(x_6, x_10, tint_symbol_4);
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main_out const tint_symbol_2 = {.x_GLF_color_1=*(tint_symbol_4)};
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return tint_symbol_2;
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}
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fragment tint_symbol_1 tint_symbol(constant buf1& x_6 [[buffer(1)]], constant buf0& x_10 [[buffer(0)]]) {
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thread float4 tint_symbol_5 = 0.0f;
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main_out const inner_result = tint_symbol_inner(x_6, x_10, &(tint_symbol_5));
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tint_symbol_1 wrapper_result = {};
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wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
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return wrapper_result;
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}
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