mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-07-05 12:46:11 +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>
84 lines
2.9 KiB
HLSL
84 lines
2.9 KiB
HLSL
cbuffer cbuffer_x_6 : register(b1, space0) {
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uint4 x_6[12];
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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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cbuffer cbuffer_x_15 : register(b0, space0) {
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uint4 x_15[1];
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};
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void main_1() {
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float3x4 m0 = float3x4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
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float3x4 m1 = float3x4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
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float3 undefined = float3(0.0f, 0.0f, 0.0f);
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float3 defined = float3(0.0f, 0.0f, 0.0f);
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float4 v0 = float4(0.0f, 0.0f, 0.0f, 0.0f);
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float4 v1 = float4(0.0f, 0.0f, 0.0f, 0.0f);
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float4 v2 = float4(0.0f, 0.0f, 0.0f, 0.0f);
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float4 v3 = float4(0.0f, 0.0f, 0.0f, 0.0f);
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const int x_17 = asint(x_6[4].x);
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const int x_18 = asint(x_6[5].x);
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const int x_19 = asint(x_6[6].x);
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const int x_20 = asint(x_6[10].x);
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const int x_21 = asint(x_6[7].x);
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const int x_22 = asint(x_6[8].x);
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const int x_23 = asint(x_6[11].x);
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const int x_24 = asint(x_6[1].x);
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const int x_25 = asint(x_6[2].x);
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const int x_26 = asint(x_6[3].x);
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m0 = float3x4(float4(float(x_17), float(x_18), float(x_19), 4.0f), float4(float(x_20), float(x_21), float(x_22), 8.0f), float4(float(x_23), float(x_24), float(x_25), float(x_26)));
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const int x_27 = asint(x_6[4].x);
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const float x_104 = float(x_27);
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m1 = float3x4(float4(x_104, 0.0f, 0.0f, 0.0f), float4(0.0f, x_104, 0.0f, 0.0f), float4(0.0f, 0.0f, x_104, 0.0f));
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undefined = ldexp(float3(1.0f, 1.0f, 1.0f), int3(500, 500, 500));
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const int x_28 = asint(x_6[4].x);
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const float x_111 = float(x_28);
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const uint scalar_offset = ((16u * uint(0))) / 4;
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const int x_29 = asint(x_6[scalar_offset / 4][scalar_offset % 4]);
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defined = ldexp(float3(x_111, x_111, x_111), int3(x_29, x_29, x_29));
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v0 = mul(undefined, m0);
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v1 = mul(undefined, m1);
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v2 = mul(defined, m0);
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v3 = mul(defined, m1);
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const float x_129 = v2.x;
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const float x_131 = v3.x;
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if ((x_129 > x_131)) {
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const int x_30 = asint(x_6[4].x);
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const int x_31 = asint(x_6[9].x);
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const int x_32 = asint(x_6[9].x);
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const int x_33 = asint(x_6[4].x);
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x_GLF_color = float4(float(x_30), float(x_31), float(x_32), float(x_33));
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} else {
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const int x_34 = asint(x_6[9].x);
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const float x_146 = float(x_34);
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x_GLF_color = float4(x_146, x_146, x_146, x_146);
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}
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const float x_149 = v0.x;
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const float x_151 = v1.x;
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if ((x_149 < x_151)) {
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const uint scalar_offset_1 = ((16u * uint(0))) / 4;
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const float x_156 = asfloat(x_15[scalar_offset_1 / 4][scalar_offset_1 % 4]);
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x_GLF_color.y = x_156;
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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_3 = {x_GLF_color};
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return tint_symbol_3;
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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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