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>
80 lines
1.9 KiB
HLSL
80 lines
1.9 KiB
HLSL
void set_float3(inout float3 vec, int idx, float val) {
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vec = (idx.xxx == int3(0, 1, 2)) ? val.xxx : vec;
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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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float4x3 m43 = float4x3(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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int ll1 = 0;
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int rows = 0;
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int ll4 = 0;
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int ll2 = 0;
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int c = 0;
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float4x3 tempm43 = float4x3(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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int ll3 = 0;
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int d = 0;
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int r = 0;
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float sums[9] = (float[9])0;
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int idx = 0;
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m43 = float4x3(float3(1.0f, 0.0f, 0.0f), float3(0.0f, 1.0f, 0.0f), float3(0.0f, 0.0f, 1.0f), float3(0.0f, 0.0f, 0.0f));
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ll1 = 0;
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rows = 2;
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while (true) {
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if (true) {
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} else {
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break;
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}
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x_GLF_color = float4(1.0f, 0.0f, 0.0f, 1.0f);
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if ((ll1 >= 5)) {
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break;
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}
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ll1 = (ll1 + 1);
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ll4 = 10;
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ll2 = 0;
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c = 0;
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{
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for(; (c < 1); c = (c + 1)) {
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if ((ll2 >= 0)) {
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break;
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}
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ll2 = (ll2 + 1);
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tempm43 = m43;
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ll3 = 0;
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d = 0;
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{
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for(; (1 < ll4); d = (d + 1)) {
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set_float3(tempm43[(((d >= 0) & (d < 4)) ? d : 0)], (((r >= 0) & (r < 3)) ? r : 0), 1.0f);
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}
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}
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const int x_111 = (((idx >= 0) & (idx < 9)) ? idx : 0);
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const float x_113 = m43[c].y;
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const float x_115 = sums[x_111];
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sums[x_111] = (x_115 + x_113);
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}
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}
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idx = (idx + 1);
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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_1 = {x_GLF_color};
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return tint_symbol_1;
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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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