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skia2/tests/sksl/folding/FloatFolding.glsl

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Convert several SkSL->GLSL unit tests to golden outputs. The new test files are intended to be identical to the unit tests in every meaningful way. (Comments and formatting are not preserved exactly.) In cases where a unit-test method contained more than one test, multiple test files were created; in these cases, new names were invented to match the apparent intent of each invocation. Followup CLs will continue to migrate additional tests. Change-Id: I785c6761ba7ee2b25b5ddc0108321734be23b77c Bug: skia:10694 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/316678 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com> Auto-Submit: John Stiles <johnstiles@google.com>
2020-09-14 21:30:13 +00:00
Support half4 return values from main() in the SPIR-V code generator. This creates a helper function, _entrypoint, which invokes main() and assigns its result into sk_FragColor. We also make sure to prevent sk_FragColor from being dead-stripped from the code during IR generation. At present this is useful for allowing our SkSL test shaders to compile. Change-Id: I2d7fab0e1959a77778ffdb18ca569e869bcaeece Reviewed-on: https://skia-review.googlesource.com/c/skia/+/358525 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2021-01-27 00:58:22 +00:00
out vec4 sk_FragColor;
Add helper uniforms to Runtime Effect tests. This lets us use descriptive names like `colorRed` and `colorGreen` instead of `half4(1,0,0,1)` and `half4(0,1,0,1)`. It also lets us use actual unknown values instead of synthesizing sorta-kinda-unknowns by calling sqrt. Change-Id: I61481c33b7ff42182955777b05cfa5fcc13e0efc Reviewed-on: https://skia-review.googlesource.com/c/skia/+/359567 Reviewed-by: Ethan Nicholas <ethannicholas@google.com> Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com>
2021-01-26 21:28:12 +00:00
uniform vec4 colorRed;
uniform vec4 colorGreen;
Remove usage of sqrt() as an optimization barrier in tests. In the majority of cases, a uniform is an equally good substitute, and replacing `sqrt(N)` with `unknownInput` actually makes the test clearer. Change-Id: I7bcb477571972d7aa2ce8c49b3674471f7310748 Bug: skia:12034 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411306 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-24 14:52:23 +00:00
uniform float unknownInput;
Update folding tests to return pass/fail status. A passing test returns solid green. Failing tests are written to return solid red, but drawing any other color than green can be interpreted as a test failure. Additionally, tests which cannot compile as RuntimeEffects (due to non-ES2-compatible features) have been split into an ES2-compatible part and an ES3 part. Change-Id: I3f53121d9de0ae4c4e7f1de3177d067811980b55 Bug: skia:11009 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/356999 Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-01-22 14:51:13 +00:00
vec4 main() {
Remove usage of sqrt() as an optimization barrier in tests. In the majority of cases, a uniform is an equally good substitute, and replacing `sqrt(N)` with `unknownInput` actually makes the test clearer. Change-Id: I7bcb477571972d7aa2ce8c49b3674471f7310748 Bug: skia:12034 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411306 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-24 14:52:23 +00:00
float _0_unknown = unknownInput;
bool _1_ok = true;
float _2_x = 34.0;
_1_ok = _1_ok && _2_x == 34.0;
_2_x = 30.0;
_1_ok = _1_ok && _2_x == 30.0;
_2_x = 64.0;
_1_ok = _1_ok && _2_x == 64.0;
_2_x = 16.0;
_1_ok = _1_ok && _2_x == 16.0;
_2_x = 19.0;
_1_ok = _1_ok && _2_x == 19.0;
_2_x = 1.0;
_1_ok = _1_ok && _2_x == 1.0;
_2_x = -2.0;
_1_ok = _1_ok && _2_x == -2.0;
_2_x = 3.0;
_1_ok = _1_ok && _2_x == 3.0;
_2_x = -4.0;
_1_ok = _1_ok && _2_x == -4.0;
_2_x = 5.0;
_1_ok = _1_ok && _2_x == 5.0;
_2_x = -6.0;
_1_ok = _1_ok && _2_x == -6.0;
_2_x = 7.0;
_1_ok = _1_ok && _2_x == 7.0;
_2_x = -8.0;
_1_ok = _1_ok && _2_x == -8.0;
_2_x = 9.0;
_1_ok = _1_ok && _2_x == 9.0;
_2_x = -10.0;
_1_ok = _1_ok && _2_x == -10.0;
_2_x = 11.0;
_1_ok = _1_ok && _2_x == 11.0;
_2_x = -12.0;
_1_ok = _1_ok && _2_x == -12.0;
_2_x = _0_unknown;
_1_ok = _1_ok && _2_x == _0_unknown;
_2_x = _0_unknown;
_1_ok = _1_ok && _2_x == _0_unknown;
_2_x = _0_unknown;
_1_ok = _1_ok && _2_x == _0_unknown;
_2_x = 0.0;
_1_ok = _1_ok && _2_x == 0.0;
_2_x = _0_unknown;
_1_ok = _1_ok && _2_x == _0_unknown;
_2_x = _0_unknown;
_1_ok = _1_ok && _2_x == _0_unknown;
_2_x = 0.0;
_1_ok = _1_ok && _2_x == 0.0;
_2_x = _0_unknown;
_1_ok = _1_ok && _2_x == _0_unknown;
_2_x = 0.0;
_1_ok = _1_ok && _2_x == 0.0;
_2_x += 1.0;
_1_ok = _1_ok && _2_x == 1.0;
_1_ok = _1_ok && _2_x == 1.0;
_2_x -= 2.0;
_1_ok = _1_ok && _2_x == -1.0;
_1_ok = _1_ok && _2_x == -1.0;
_1_ok = _1_ok && _2_x == -1.0;
_2_x *= 2.0;
_1_ok = _1_ok && _2_x == -2.0;
_1_ok = _1_ok && _2_x == -2.0;
_2_x /= 2.0;
_1_ok = _1_ok && _2_x == -1.0;
return _1_ok ? colorGreen : colorRed;
Convert several SkSL->GLSL unit tests to golden outputs. The new test files are intended to be identical to the unit tests in every meaningful way. (Comments and formatting are not preserved exactly.) In cases where a unit-test method contained more than one test, multiple test files were created; in these cases, new names were invented to match the apparent intent of each invocation. Followup CLs will continue to migrate additional tests. Change-Id: I785c6761ba7ee2b25b5ddc0108321734be23b77c Bug: skia:10694 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/316678 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com> Auto-Submit: John Stiles <johnstiles@google.com>
2020-09-14 21:30:13 +00:00
}
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