mirror of
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>
236 lines
7.8 KiB
Plaintext
236 lines
7.8 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 */ float 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[2];
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};
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struct buf0 {
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/* 0x0000 */ tint_array_wrapper x_GLF_uniform_float_values;
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};
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struct tint_padded_array_element_1 {
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/* 0x0000 */ int 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[3];
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};
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struct buf1 {
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/* 0x0000 */ tint_array_wrapper_1 x_GLF_uniform_int_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 buf0& x_7, constant buf1& x_11, thread float4* const tint_symbol_3, thread float4* const tint_symbol_4) {
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float a = 0.0f;
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float b = 0.0f;
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int i = 0;
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int i_1 = 0;
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int i_2 = 0;
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int i_3 = 0;
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int i_4 = 0;
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int i_5 = 0;
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int i_6 = 0;
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int i_7 = 0;
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int i_8 = 0;
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int i_9 = 0;
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int i_10 = 0;
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float const x_104 = x_7.x_GLF_uniform_float_values.arr[0].el;
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a = x_104;
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float const x_106 = x_7.x_GLF_uniform_float_values.arr[1].el;
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b = x_106;
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int const x_24 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i = x_24;
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while (true) {
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int const x_25 = i;
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int const x_26 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_25 < x_26)) {
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} else {
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break;
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}
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int const x_27 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_1 = x_27;
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while (true) {
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int const x_28 = i_1;
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int const x_29 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_28 < x_29)) {
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} else {
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break;
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}
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int const x_30 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_2 = x_30;
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while (true) {
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int const x_31 = i_2;
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int const x_32 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_31 < x_32)) {
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} else {
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break;
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}
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int const x_33 = x_11.x_GLF_uniform_int_values.arr[2].el;
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i_3 = x_33;
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while (true) {
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int const x_34 = i_3;
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int const x_35 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_34 < x_35)) {
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} else {
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break;
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}
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int const x_36 = x_11.x_GLF_uniform_int_values.arr[2].el;
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i_4 = x_36;
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while (true) {
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int const x_37 = i_4;
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int const x_38 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_37 < x_38)) {
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} else {
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break;
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}
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int const x_39 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_5 = x_39;
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while (true) {
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int const x_40 = i_5;
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int const x_41 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_40 < x_41)) {
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} else {
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break;
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}
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int const x_42 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_6 = x_42;
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while (true) {
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int const x_43 = i_6;
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int const x_44 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_43 < x_44)) {
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} else {
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break;
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}
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int const x_45 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_7 = x_45;
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while (true) {
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int const x_46 = i_7;
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int const x_47 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_46 < x_47)) {
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} else {
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break;
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}
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int const x_48 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_8 = x_48;
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while (true) {
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int const x_49 = i_8;
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int const x_50 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_49 < x_50)) {
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} else {
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break;
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}
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int const x_51 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_9 = x_51;
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while (true) {
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int const x_52 = i_9;
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int const x_53 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_52 < x_53)) {
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} else {
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break;
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}
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int const x_54 = x_11.x_GLF_uniform_int_values.arr[1].el;
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i_10 = x_54;
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while (true) {
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int const x_55 = i_10;
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int const x_56 = x_11.x_GLF_uniform_int_values.arr[0].el;
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if ((x_55 < x_56)) {
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} else {
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break;
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}
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float const x_196 = x_7.x_GLF_uniform_float_values.arr[1].el;
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a = x_196;
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float const x_198 = (*(tint_symbol_3)).y;
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float const x_200 = x_7.x_GLF_uniform_float_values.arr[1].el;
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if ((x_198 > x_200)) {
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break;
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}
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{
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int const x_57 = i_10;
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i_10 = as_type<int>((as_type<uint>(x_57) + as_type<uint>(1)));
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}
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}
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{
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int const x_59 = i_9;
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i_9 = as_type<int>((as_type<uint>(x_59) + as_type<uint>(1)));
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}
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}
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{
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int const x_61 = i_8;
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i_8 = as_type<int>((as_type<uint>(x_61) + as_type<uint>(1)));
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}
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}
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{
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int const x_63 = i_7;
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i_7 = as_type<int>((as_type<uint>(x_63) + as_type<uint>(1)));
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}
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}
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{
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int const x_65 = i_6;
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i_6 = as_type<int>((as_type<uint>(x_65) + as_type<uint>(1)));
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}
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}
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{
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int const x_67 = i_5;
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i_5 = as_type<int>((as_type<uint>(x_67) + as_type<uint>(1)));
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}
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}
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{
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int const x_69 = i_4;
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i_4 = as_type<int>((as_type<uint>(x_69) + as_type<uint>(1)));
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}
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}
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{
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int const x_71 = i_3;
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i_3 = as_type<int>((as_type<uint>(x_71) + as_type<uint>(1)));
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}
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}
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{
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int const x_73 = i_2;
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i_2 = as_type<int>((as_type<uint>(x_73) + as_type<uint>(1)));
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}
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}
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{
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int const x_75 = i_1;
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i_1 = as_type<int>((as_type<uint>(x_75) + as_type<uint>(1)));
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}
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}
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float const x_204 = b;
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b = (x_204 + 1.0f);
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{
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int const x_77 = i;
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i = as_type<int>((as_type<uint>(x_77) + as_type<uint>(1)));
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}
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}
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float const x_206 = b;
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float const x_207 = a;
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float const x_208 = a;
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float const x_209 = b;
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*(tint_symbol_4) = float4(x_206, x_207, x_208, x_209);
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return;
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}
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main_out tint_symbol_inner(constant buf0& x_7, constant buf1& x_11, float4 gl_FragCoord_param, thread float4* const tint_symbol_5, thread float4* const tint_symbol_6) {
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*(tint_symbol_5) = gl_FragCoord_param;
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main_1(x_7, x_11, tint_symbol_5, tint_symbol_6);
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main_out const tint_symbol_2 = {.x_GLF_color_1=*(tint_symbol_6)};
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return tint_symbol_2;
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}
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fragment tint_symbol_1 tint_symbol(float4 gl_FragCoord_param [[position]], constant buf0& x_7 [[buffer(0)]], constant buf1& x_11 [[buffer(1)]]) {
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thread float4 tint_symbol_7 = 0.0f;
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thread float4 tint_symbol_8 = 0.0f;
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main_out const inner_result = tint_symbol_inner(x_7, x_11, gl_FragCoord_param, &(tint_symbol_7), &(tint_symbol_8));
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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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