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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>
48 lines
1.3 KiB
HLSL
48 lines
1.3 KiB
HLSL
static float4 gl_FragCoord = float4(0.0f, 0.0f, 0.0f, 0.0f);
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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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float data[10] = (float[10])0;
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int i = 0;
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const float tint_symbol_3[10] = {0.100000001f, 0.200000003f, 0.300000012f, 0.400000006f, 0.5f, 0.600000024f, 0.699999988f, 0.800000012f, 0.899999976f, 1.0f};
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data = tint_symbol_3;
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i = 0;
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{
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for(; (i < 10); i = (i + 1)) {
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const float x_50 = gl_FragCoord.x;
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if ((x_50 < 0.0f)) {
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discard;
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}
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const float x_55 = data[i];
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data[0] = x_55;
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}
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}
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const float x_58 = data[0];
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x_GLF_color = float4(x_58, 0.0f, 0.0f, 1.0f);
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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_1 {
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float4 gl_FragCoord_param : SV_Position;
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};
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struct tint_symbol_2 {
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float4 x_GLF_color_1 : SV_Target0;
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};
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main_out main_inner(float4 gl_FragCoord_param) {
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gl_FragCoord = gl_FragCoord_param;
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main_1();
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const main_out tint_symbol_4 = {x_GLF_color};
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return tint_symbol_4;
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}
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tint_symbol_2 main(tint_symbol_1 tint_symbol) {
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const main_out inner_result = main_inner(tint_symbol.gl_FragCoord_param);
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tint_symbol_2 wrapper_result = (tint_symbol_2)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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