Add coords parameter to all .sksl test files used as runtime effects

Convert to use the newer MakeForShader factory, which requires this.

Change-Id: Ifaf6054054027c78f3f3fe15596e435e0f79b877
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/399336
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>

resources/sksl/folding/ArrayFolding.sksl

@@ -8,7 +8,7 @@ bool test() {
     return (x == xx) && !(x != xx) && (x != y) && !(x == y);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }
 

resources/sksl/folding/AssignmentOps.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorRed, colorGreen;
 
-half4 main() {
+half4 main(float2 coords) {
     bool ok = true;
 
     int a = 1;

resources/sksl/folding/BoolFolding.sksl

@@ -15,7 +15,7 @@ bool test() {
     return a && !b && c && !d && e && !f && g && !h && i && !j;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }
 

resources/sksl/folding/FloatFolding.sksl

@@ -75,6 +75,6 @@ bool test() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }

resources/sksl/folding/IntFoldingES2.sksl

@@ -74,6 +74,6 @@ bool test() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }

resources/sksl/folding/IntFoldingES3.sksl

@@ -21,6 +21,6 @@ bool test() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }

resources/sksl/folding/MatrixFoldingES2.sksl

@@ -35,6 +35,6 @@ bool test() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }

resources/sksl/folding/MatrixFoldingES3.sksl

@@ -6,6 +6,6 @@ bool test() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }

resources/sksl/folding/SelfAssignment.sksl

@@ -5,7 +5,7 @@ struct S {
     half j;
 };
 
-half4 main() {
+half4 main(float2 coords) {
     // All of these assignments can be preserved.
     half4 x = half4(3, 2, 1, 0);
     x.xyz = x.zyx;

resources/sksl/folding/ShortCircuitBoolFolding.sksl

@@ -42,6 +42,6 @@ bool test() {
     return ok == 22 && bad == 0;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test() ? colorGreen : colorRed;
 }

resources/sksl/folding/VectorScalarFolding.sksl

@@ -203,6 +203,6 @@ bool test_int() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test_half() && test_int() ? colorGreen : colorRed;
 }

resources/sksl/folding/VectorVectorFolding.sksl

@@ -127,6 +127,6 @@ bool test_int() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test_half() && test_int() ? colorGreen : colorRed;
 }

resources/sksl/inliner/DoWhileBodyMustBeInlinedIntoAScope.sksl

@@ -5,7 +5,7 @@ inline half4 get() {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result = colorRed;
     do
         result = get();

resources/sksl/inliner/DoWhileTestCannotBeInlined.sksl

@@ -4,7 +4,7 @@ inline bool shouldLoop(half4 value) {
     return value != colorGreen;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result = colorRed;
     do {
         result = colorGreen;

resources/sksl/inliner/EnumsCanBeInlinedSafely.sksl

@@ -2,7 +2,7 @@ uniform half4 colorGreen, colorRed;
 
 half4 helper();
 
-half4 main() {
+half4 main(float2 coords) {
     return helper();
 }
 

resources/sksl/inliner/ForBodyMustBeInlinedIntoAScope.sksl

@@ -5,7 +5,7 @@ inline half4 multiply(half4 x, half y) {
     return value;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result;
     for (int x=0; x<4; ++x)
         result = multiply(colorGreen, 1);

resources/sksl/inliner/ForInitializerExpressionsCanBeInlined.sksl

@@ -12,7 +12,7 @@ inline half4 grow(half4 v) {
     return v + half4(0.125);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     for (sk_FragColor = initLoopVar();
          shouldLoop(sk_FragColor);
          sk_FragColor = grow(sk_FragColor)) {

resources/sksl/inliner/ForWithReturnInsideCannotBeInlined.sksl

@@ -7,6 +7,6 @@ inline half4 loopy() {
     return colorRed;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return loopy();
 }

resources/sksl/inliner/ForWithoutReturnInsideCanBeInlined.sksl

@@ -8,6 +8,6 @@ inline half4 loopy() {
     return result;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return loopy();
 }

resources/sksl/inliner/IfBodyMustBeInlinedIntoAScope.sksl

@@ -5,7 +5,7 @@ inline half4 ifBody() {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 c = colorRed;
     if (colorGreen.g == 1)
         c = ifBody();

resources/sksl/inliner/IfElseBodyMustBeInlinedIntoAScope.sksl

@@ -5,7 +5,7 @@ inline half4 elseBody() {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 c = colorRed;
     if (colorGreen.g == 0)
         ;

resources/sksl/inliner/IfElseChainWithReturnsCanBeInlined.sksl

@@ -26,6 +26,6 @@ inline half branchyAndBlocky() {
     }}}
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return bool(branchy() * branchyAndBlocky()) ? colorGreen : colorRed;
 }

resources/sksl/inliner/IfTestCanBeInlined.sksl

@@ -5,7 +5,7 @@ inline bool ifTest(half4 color) {
     return result;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     if (ifTest(colorGreen))
         return colorGreen;
     else

resources/sksl/inliner/IfWithReturnsCanBeInlined.sksl

@@ -4,6 +4,6 @@ half4 branchy(half4 c) {
     if (colorGreen == colorRed) return colorRed; else return colorGreen;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return branchy(colorGreen);
 }

resources/sksl/inliner/InlineKeywordOverridesThreshold.sksl

@@ -6,7 +6,7 @@ inline int tooBig(int x) {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     int y = 0;
     y = tooBig(y);
     y = tooBig(y);

resources/sksl/inliner/InlineThreshold.sksl

@@ -5,7 +5,7 @@ void tooBig(inout int x) {
     ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x; ++x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     int x = 0;
     tooBig(x);
     tooBig(x);

resources/sksl/inliner/InlineWithInoutArgument.sksl

@@ -5,7 +5,7 @@ inline void outParameter(inout half4 x) {
     x *= x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 c = colorGreen;
     outParameter(c);
     return c;

resources/sksl/inliner/InlineWithModifiedArgument.sksl

@@ -5,7 +5,7 @@ inline half parameterWrite(half x) {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 c = colorGreen;
     c.g = parameterWrite(c.g);
     return c;

resources/sksl/inliner/InlineWithNestedBigCalls.sksl

@@ -12,6 +12,6 @@ inline half BigY(half x) {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return BigX(BigY(12345)).0x0x;
 }

resources/sksl/inliner/InlineWithUnmodifiedArgument.sksl

@@ -2,7 +2,7 @@ inline half square(half x) {
     return x * x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half one = 1;
     half4 result = half4(123);
     result.r = square(0);

resources/sksl/inliner/InlineWithUnnecessaryBlocks.sksl

@@ -6,6 +6,6 @@ half4 blocky(half4 c) {
     }
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return blocky(colorGreen);
 }

resources/sksl/inliner/InlinerAvoidsVariableNameOverlap.sksl

@@ -10,7 +10,7 @@ inline half2 InlineA()
     return InlineB(reusedName);
 }
 
-half4 main()
+half4 main(float2 coords)
 {
     return InlineA().xyxy;
 }

resources/sksl/inliner/InlinerElidesTempVarForReturnsInsideBlock.sksl

@@ -12,6 +12,6 @@ inline half4 MakeTempVar(half4 c) {
     }
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return MakeTempVar(colorRed);
 }

resources/sksl/inliner/InlinerHonorsGLSLOutParamSemantics.sksl

@@ -6,7 +6,7 @@ bool out_params_are_distinct(out half x, out half y) {
     return x == 1 && y == 2;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half x = 0;
     return out_params_are_distinct(x, x) ? colorGreen : colorRed;
 }

resources/sksl/inliner/InlinerManglesNames.sksl

@@ -13,7 +13,7 @@ half fma(half a, half b, half c) {
     return add(mul(a, b), c);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half a = fma(color.x, color.y, color.z);
     half b = fma(color.y, color.z, color.w);
     half c = fma(color.z, color.w, color.x);

resources/sksl/inliner/InlinerUsesTempVarForMultipleReturns.sksl

@@ -10,6 +10,6 @@ inline half4 MakeTempVar(half4 c) {
     }
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return MakeTempVar(colorWhite);
 }

resources/sksl/inliner/InlinerUsesTempVarForReturnsInsideBlockWithVar.sksl

@@ -9,6 +9,6 @@ inline half4 MakeTempVar(half4 c) {
     }
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return MakeTempVar(colorWhite);
 }

resources/sksl/inliner/NoInline.sksl

@@ -17,7 +17,7 @@ noinline half fma(half a, half b, half c) {
     return add(mul(a, b), c);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     // Functions used multiple times:
     half4 result = fma(colorGreen.a, colorGreen.g, colorGreen.r).0x0x;
     // Functions used only once:

resources/sksl/inliner/ShortCircuitEvaluationsCannotInlineRightHandSide.sksl

@@ -8,7 +8,7 @@ inline bool testB(half4 v) {
     return bool(v.g);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result = half4(0);
     if (testA(colorWhite) && testB(colorWhite)) {
        result.g = 1;

resources/sksl/inliner/StaticSwitch.sksl

@@ -11,7 +11,7 @@ float get() {
     return abs(5);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     float result = get();
     return result == 2 ? colorGreen : colorRed;
 }

resources/sksl/inliner/StructsCanBeInlinedSafely.sksl

@@ -14,6 +14,6 @@ half4 helper() {
     return half4(c.red, c.green, c.blue, c.alpha);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return helper();
 }

resources/sksl/inliner/SwizzleCanBeInlinedDirectly.sksl

@@ -4,6 +4,6 @@ half4 switchRedAndGreen(half4 v) {
     return v.grba;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return switchRedAndGreen(switchRedAndGreen(switchRedAndGreen(colorRed)));
 }

resources/sksl/inliner/TernaryResultsCannotBeInlined.sksl

@@ -8,6 +8,6 @@ inline half4 falseSide(half4 v) {
     return v.r0ba;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return bool(colorGreen.g) ? trueSide(colorGreen) : falseSide(colorRed);
 }

resources/sksl/inliner/TernaryTestCanBeInlined.sksl

@@ -4,6 +4,6 @@ inline bool test(half4 v) {
     return bool(v.g);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test(colorGreen) ? colorGreen : colorRed;
 }

resources/sksl/inliner/TrivialArgumentsInlineDirectly.sksl

@@ -30,7 +30,7 @@ half4 func4(half4 h4) {
     return h4 * h4;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     S s;
     s.ah4[0] = half4(unknownInput);
     s.ah[0] = unknownInput;

resources/sksl/inliner/WhileBodyMustBeInlinedIntoAScope.sksl

@@ -5,7 +5,7 @@ inline half4 green() {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result = colorRed;
     while (result != colorGreen)
         result = green();

resources/sksl/inliner/WhileTestCannotBeInlined.sksl

@@ -4,7 +4,7 @@ inline bool shouldLoop(half4 v) {
     return v != colorGreen;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result = colorRed;
     while (shouldLoop(result)) {
         result = colorGreen;

resources/sksl/intrinsics/AbsFloat.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expected = half4(1.25, 0, 0.75, 2.25);
     return (abs(testInputs.x)    == expected.x     &&
             abs(testInputs.xy)   == expected.xy    &&

resources/sksl/intrinsics/AbsInt.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     int4 expected = int4(1, 0, 0, 2);
     return (abs(int4(testInputs).x)    == expected.x     &&
             abs(int4(testInputs).xy)   == expected.xy    &&

resources/sksl/intrinsics/Ceil.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expected = half4(-1, 0, 1, 3);
     return (ceil(testInputs.x)    == expected.x     &&
             ceil(testInputs.xy)   == expected.xy    &&

resources/sksl/intrinsics/ClampFloat.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expectedA = half4(-1,     0,  0.75, 1);
 
     //                     (-1.25,  0,  0.75, 2.25)

resources/sksl/intrinsics/ClampInt.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     int4 expectedA = int4(-100,    0,   75, 100);
 
     int4 intValues = int4(testInputs * 100);

resources/sksl/intrinsics/Floor.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expected = half4(-2, 0, 0, 2);
     return (floor(testInputs.x)    == expected.x     &&
             floor(testInputs.xy)   == expected.xy    &&

resources/sksl/intrinsics/Frexp.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     float4 value = colorGreen.gggg * 6;
     int4   exp;
     float4 result;

resources/sksl/intrinsics/MaxFloat.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expectedA = half4(0.5, 0.5, 0.75, 2.25);
     half4 expectedB = half4(0, 1, 0.75, 2.25);
     return (max(testInputs.x,    0.5)             == expectedA.x     &&

resources/sksl/intrinsics/MaxInt.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     int4 intValues = int4(testInputs * 100);
     int4 intGreen  = int4(colorGreen * 100);
 

resources/sksl/intrinsics/MinFloat.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expectedA = half4(-1.25, 0, 0.5, 0.5);
     half4 expectedB = half4(-1.25, 0, 0, 1);
     return (min(testInputs.x,    0.5)             == expectedA.x     &&

resources/sksl/intrinsics/MinInt.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     int4 intValues = int4(testInputs * 100);
     int4 intGreen  = int4(colorGreen * 100);
 

resources/sksl/intrinsics/MixBool.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed, colorBlack, colorWhite, testInputs;
 
-half4 main() {
+half4 main(float2 coords) {
     int4 intGreen  = int4(colorGreen * 100);
     int4 intRed    = int4(colorRed   * 100);
 

resources/sksl/intrinsics/MixFloat.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed, colorBlack, colorWhite, testInputs;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expectedBW = half4(0.5, 0.5, 0.5, 1);
     half4 expectedWT = half4(1,   0.5, 1,   2.25);
 

resources/sksl/intrinsics/Modf.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     float4 value = colorGreen.gggg * 2.5;
     float4 whole, fraction;
     bool4  ok;

resources/sksl/intrinsics/SignFloat.sksl

@@ -1,7 +1,7 @@
 uniform half4 testInputs;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 expected = half4(-1, 0, 1, 1);
     return (sign(testInputs.x)    == expected.x &&
             sign(testInputs.xy)   == expected.xy &&

resources/sksl/intrinsics/SignInt.sksl

@@ -1,7 +1,7 @@
 uniform half4 minus1234;
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     int4 expected = int4(-1, 0, 0, 1);
     return (sign(int4(testInputs).x)    == expected.x &&
             sign(int4(testInputs).xy)   == expected.xy &&

resources/sksl/shared/ArrayComparison.sksl

@@ -4,7 +4,7 @@ struct S {
     int x, y;
 };
 
-half4 main() {
+half4 main(float2 coords) {
     float f1[4] = float[4](1, 2, 3, 4);
     float f2[4] = float[4](1, 2, 3, 4);
     float f3[4] = float[4](1, 2, 3, -4);

resources/sksl/shared/ArrayConstructors.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     float test1[4] = float[4](1, 2, 3, 4);
     float2 test2[2] = float2[2](float2(1, 2), float2(3, 4));
     float4x4 test3[1] = float4x4[1](float4x4(16));

resources/sksl/shared/ArrayTypes.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     float2 x[2];
     x[0] = float2( 0, 0);
     x[1] = float2( 1, 0);

resources/sksl/shared/Assignment.sksl

@@ -10,7 +10,7 @@ struct S {
 half4 globalVar;
 S globalStruct;
 
-half4 main() {
+half4 main(float2 coords) {
     /* assign to scalar */               int i; i = 0;
     /* assign to vector */               int4 i4; i4 = int4(1,2,3,4);
     /* assign to matrix */               float3x3 f3x3; f3x3 = float3x3(1,2,3,4,5,6,7,8,9);

resources/sksl/shared/CastsRoundTowardZero.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     bool ok = true;
     ok = ok && (half4(int4(0, 0, 1, 2)) == half4(int4(half4(0.01, 0.99, 1.49, 2.75))));
     ok = ok && (half4(int4(0, 0, -1, -2)) == half4(int4(half4(-0.01, -0.99, -1.49, -2.75))));

resources/sksl/shared/CommaMixedTypes.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result;
     result.x = (sqrt(1),     colorGreen.x);
     result.y = (float2(2),   colorGreen.y);

resources/sksl/shared/CommaSideEffects.sksl

@@ -6,7 +6,7 @@ void setToColorBlack(out half4 x) {
     x = colorBlack;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 a, b, c, d;
 
     (b = colorRed), (c = colorGreen);

resources/sksl/shared/ConstVariableComparison.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
   const float4 a = float4(0);
   const float4 b = float4(1);
   // This is a constant-expression in GLSL, but not in SkSL (yet).

resources/sksl/shared/ConstantIf.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     int a = 0, b = 0, c = 0, d = 0;
     if (true) a = 1;
     if (2 > 1) b = 2; else b = 3;

resources/sksl/shared/DeadIfStatement.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     const bool x = true;
     if (!x) return colorRed;
     if (x) return colorGreen;

resources/sksl/shared/DeadLoopVariable.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen;
 
-half4 main() {
+half4 main(float2 coords) {
     for (int x = 0; x < 4; ) {
         break;
     }

resources/sksl/shared/DeadStripFunctions.sksl

@@ -10,7 +10,7 @@ half4 live_fn(half4 a, half4 b) {
     return a + b;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     const bool TRUE = true, FALSE = false;
     half4 a, b;
 

resources/sksl/shared/DependentInitializers.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     float x = 0.5, y = x * 2;
     return (y == 1) ? colorGreen : colorRed;
 }

resources/sksl/shared/DoWhileControlFlow.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     half4 x = half4(1, 1, 1, 1);
 
     // Verify that break is allowed in a do-while loop.

resources/sksl/shared/EmptyBlocksES2.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     half4 color = half4(0);
 
     for (int counter=0; counter<10; ++counter) ;

resources/sksl/shared/EmptyBlocksES3.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     half4 color = half4(0);
 
     for (int counter=0; counter<10; ++counter) ;

resources/sksl/shared/ForLoopControlFlow.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorWhite;
 
-half4 main() {
+half4 main(float2 coords) {
     half4 x = colorWhite;
 
     // Verify that break is allowed in a for loop.

resources/sksl/shared/ForLoopMultipleInit.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     half4 result = half4(0);
 
     // Two variables, both used

resources/sksl/shared/FunctionArgTypeMatch.sksl

@@ -23,7 +23,7 @@ bool takes_int2    (int2     x)         { return true; }
 bool takes_int3    (int3     x)         { return true; }
 bool takes_int4    (int4     x)         { return true; }
 
-half4 main() {
+half4 main(float2 coords) {
     return takes_float   (float    (1))    &&
            takes_float2  (float2   (2))    &&
            takes_float3  (float3   (3))    &&

resources/sksl/shared/FunctionPrototype.sksl

@@ -10,7 +10,7 @@ half4 this_function_is_defined_before_use(half4 x) {
 
 bool this_function_is_prototyped_in_the_middle_and_never_defined(float4x4 a);
 
-half4 main() {
+half4 main(float2 coords) {
     return this_function_is_defined_after_use(this_function_is_defined_before_use(colorGreen));
 }
 

resources/sksl/shared/FunctionReturnTypeMatch.sksl

@@ -23,7 +23,7 @@ int2     returns_int2()              { return int2(2); }
 int3     returns_int3()              { return int3(3); }
 int4     returns_int4()              { return int4(4); }
 
-half4 main() {
+half4 main(float2 coords) {
     float     x1  = returns_float();
     float2    x2  = returns_float2();
     float3    x3  = returns_float3();

resources/sksl/shared/Functions.sksl

@@ -13,7 +13,7 @@ void bar(inout float x) {
     x = foo(float2(y[0], y[1]));
 }
 
-half4 main() {
+half4 main(float2 coords) {
     float x = 10;
     bar(x);
     return x == 200 ? colorGreen : colorRed;

resources/sksl/shared/GeometricIntrinsics.sksl

@@ -16,7 +16,7 @@ float2 vector(float2 x, float2 y) {
     return x;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     float x = scalar(1, 2);
     float2 y = vector(float2(1, 2), float2(3, 4));
     return colorGreen;

resources/sksl/shared/HelloWorld.sksl

@@ -1 +1 @@
-half4 main() { return half4(0, 1, 0, 1); }
+half4 main(float2 coords) { return half4(0, 1, 0, 1); }

resources/sksl/shared/Hex.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen;
 
-half4 main() {
+half4 main(float2 coords) {
     int i1 = 0x0;
     i1++;
     int i2 = 0x1234;

resources/sksl/shared/HexUnsigned.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen;
 
-half4 main() {
+half4 main(float2 coords) {
     uint u1 = 0x0;
     u1++;
     uint u2 = 0x1234abcd;

resources/sksl/shared/Matrices.sksl

@@ -42,6 +42,6 @@ bool test_half() {
     return true;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test_float() && test_half() ? colorGreen : colorRed;
 }

resources/sksl/shared/MatricesNonsquare.sksl

@@ -30,6 +30,6 @@ bool test_half() {
     return true;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test_float() && test_half() ? colorGreen : colorRed;
 }

resources/sksl/shared/MatrixEquality.sksl

@@ -11,6 +11,6 @@ bool test_equality() {
     return ok;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test_equality() ? colorGreen : colorRed;
 }

resources/sksl/shared/MultipleAssignments.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     float x;
     float y;
     x = y = 1;

resources/sksl/shared/NegatedVectorLiteral.sksl

@@ -26,6 +26,6 @@ bool test_int() {
     return bool(-(-result.r) * result.g * result.b * result.a);
 }
 
-half4 main() {
+half4 main(float2 coords) {
     return test_float() && test_int() ? colorGreen : colorRed;
 }

resources/sksl/shared/NumberCasts.sksl

@@ -1,4 +1,4 @@
-half4 main() {
+half4 main(float2 coords) {
     bool3  B;
     B.x = bool(1.23);
     B.y = bool(1);

resources/sksl/shared/OperatorsES2.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     float x = 1, y = 2;
     int z = 3;
     x = x - x + y * x * x * (y - x);

resources/sksl/shared/OperatorsES3.sksl

@@ -1,6 +1,6 @@
 uniform half4 colorGreen, colorRed;
 
-half4 main() {
+half4 main(float2 coords) {
     float x = 1, y = 2;
     int z = 3;
     x = x - x + y * x * x * (y - x);

resources/sksl/shared/OutParams.sksl

@@ -28,7 +28,7 @@ void out_bool2(out bool2 v) { v = bool2(colorWhite.g); }
 void out_bool3(out bool3 v) { v = bool3(colorWhite.b); }
 void out_bool4(out bool4 v) { v = bool4(colorWhite.a); }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result;
 
     half     h;    out_half (h);

resources/sksl/shared/OutParamsNoInline.sksl

@@ -30,7 +30,7 @@ void out_bool2(out bool2 v) { v = bool2(colorWhite.g); }
 void out_bool3(out bool3 v) { v = bool3(colorWhite.b); }
 void out_bool4(out bool4 v) { v = bool4(colorWhite.a); }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result;
 
     half     h;    out_half (h);

resources/sksl/shared/OutParamsTricky.sksl

@@ -12,7 +12,7 @@ void func(inout half4 color) {
     color.ga = t;
 }
 
-half4 main() {
+half4 main(float2 coords) {
     half4 result = half4(0, 1, 2, 3);
     func(result);
     return result == half4(2, 3, 0, 5) ? colorGreen : colorRed;