mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-06-05 06:03:34 +00:00
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>
105 lines
2.9 KiB
HLSL
105 lines
2.9 KiB
HLSL
cbuffer cbuffer_x_6 : register(b0, space0) {
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uint4 x_6[5];
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};
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static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);
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void main_1() {
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int i = 0;
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int A[4] = (int[4])0;
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bool x_77 = false;
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bool x_87 = false;
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bool x_97 = false;
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bool x_78_phi = false;
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bool x_88_phi = false;
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bool x_98_phi = false;
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const uint scalar_offset = ((16u * uint(0))) / 4;
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const int x_33 = asint(x_6[scalar_offset / 4][scalar_offset % 4]);
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i = x_33;
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while (true) {
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const int x_38 = i;
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const int x_40 = asint(x_6[4].x);
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if ((x_38 < x_40)) {
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} else {
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break;
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}
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const int x_43 = i;
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const uint scalar_offset_1 = ((16u * uint(0))) / 4;
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const int x_45 = asint(x_6[scalar_offset_1 / 4][scalar_offset_1 % 4]);
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A[x_43] = x_45;
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const int x_47 = i;
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const int x_50 = asint(x_6[3].x);
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const int x_54 = asint(x_6[1].x);
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if ((max((2 * x_47), (2 * x_50)) == x_54)) {
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A[i] = 1;
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}
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{
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i = (i + 1);
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}
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}
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const uint scalar_offset_2 = ((16u * uint(0))) / 4;
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const int x_63 = asint(x_6[scalar_offset_2 / 4][scalar_offset_2 % 4]);
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const int x_65 = A[x_63];
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const int x_67 = asint(x_6[3].x);
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const bool x_68 = (x_65 == x_67);
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x_78_phi = x_68;
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if (x_68) {
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const int x_72 = asint(x_6[3].x);
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const int x_74 = A[x_72];
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const int x_76 = asint(x_6[3].x);
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x_77 = (x_74 == x_76);
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x_78_phi = x_77;
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}
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const bool x_78 = x_78_phi;
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x_88_phi = x_78;
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if (x_78) {
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const int x_82 = asint(x_6[1].x);
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const int x_84 = A[x_82];
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const uint scalar_offset_3 = ((16u * uint(0))) / 4;
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const int x_86 = asint(x_6[scalar_offset_3 / 4][scalar_offset_3 % 4]);
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x_87 = (x_84 == x_86);
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x_88_phi = x_87;
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}
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const bool x_88 = x_88_phi;
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x_98_phi = x_88;
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if (x_88) {
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const int x_92 = asint(x_6[2].x);
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const int x_94 = A[x_92];
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const uint scalar_offset_4 = ((16u * uint(0))) / 4;
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const int x_96 = asint(x_6[scalar_offset_4 / 4][scalar_offset_4 % 4]);
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x_97 = (x_94 == x_96);
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x_98_phi = x_97;
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}
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if (x_98_phi) {
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const int x_103 = asint(x_6[3].x);
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const uint scalar_offset_5 = ((16u * uint(0))) / 4;
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const int x_106 = asint(x_6[scalar_offset_5 / 4][scalar_offset_5 % 4]);
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const uint scalar_offset_6 = ((16u * uint(0))) / 4;
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const int x_109 = asint(x_6[scalar_offset_6 / 4][scalar_offset_6 % 4]);
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const int x_112 = asint(x_6[3].x);
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x_GLF_color = float4(float(x_103), float(x_106), float(x_109), float(x_112));
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} else {
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x_GLF_color = float4(1.0f, 1.0f, 1.0f, 1.0f);
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}
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return;
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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 {
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float4 x_GLF_color_1 : SV_Target0;
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};
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main_out main_inner() {
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main_1();
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const main_out tint_symbol_2 = {x_GLF_color};
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return tint_symbol_2;
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}
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tint_symbol main() {
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const main_out inner_result = main_inner();
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tint_symbol wrapper_result = (tint_symbol)0;
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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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