/* * Copyright 2016 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "src/sksl/SkSLCompiler.h" #include "tests/Test.h" static void test_failure(skiatest::Reporter* r, const char* src, const char* error) { SkSL::Compiler compiler; SkSL::Program::Settings settings; sk_sp caps = SkSL::ShaderCapsFactory::Default(); settings.fCaps = caps.get(); std::unique_ptr program = compiler.convertProgram(SkSL::Program::kFragment_Kind, SkSL::String(src), settings); if (!compiler.errorCount()) { compiler.optimize(*program); } SkSL::String skError(error); if (compiler.errorText() != skError) { SkDebugf("SKSL ERROR:\n source: %s\n expected: %s received: %s", src, error, compiler.errorText().c_str()); } REPORTER_ASSERT(r, compiler.errorText() == skError); } static void test_success(skiatest::Reporter* r, const char* src) { SkSL::Compiler compiler; SkSL::Program::Settings settings; sk_sp caps = SkSL::ShaderCapsFactory::Default(); settings.fCaps = caps.get(); std::unique_ptr program = compiler.convertProgram(SkSL::Program::kFragment_Kind, SkSL::String(src), settings); REPORTER_ASSERT(r, program); } DEF_TEST(SkSLOpenArray, r) { test_failure(r, "void main(inout float4 color) { color.r[ = ( color.g ); }", "error: 1: expected expression, but found '='\n1 error\n"); } DEF_TEST(SkSLUndefinedSymbol, r) { test_failure(r, "void main() { x = float2(1); }", "error: 1: unknown identifier 'x'\n1 error\n"); } DEF_TEST(SkSLUndefinedFunction, r) { test_failure(r, "void main() { int x = foo(1); }", "error: 1: unknown identifier 'foo'\n1 error\n"); } DEF_TEST(SkSLGenericArgumentMismatch, r) { test_failure(r, "void main() { float x = sin(1, 2); }", "error: 1: no match for sin(int, int)\n1 error\n"); test_failure(r, "void main() { float x = sin(true); }", "error: 1: no match for sin(bool)\n1 error\n"); test_success(r, "void main() { float x = sin(1); }"); } DEF_TEST(SkSLArgumentCountMismatch, r) { test_failure(r, "float foo(float x) { return x * x; }" "void main() { float x = foo(1, 2); }", "error: 1: call to 'foo' expected 1 argument, but found 2\n1 error\n"); } DEF_TEST(SkSLArgumentMismatch, r) { test_failure(r, "float foo(float x) { return x * x; }" "void main() { float x = foo(true); }", "error: 1: expected 'float', but found 'bool'\n1 error\n"); } DEF_TEST(SkSLIfTypeMismatch, r) { test_failure(r, "void main() { if (3) { } }", "error: 1: expected 'bool', but found 'int'\n1 error\n"); } DEF_TEST(SkSLDoTypeMismatch, r) { test_failure(r, "void main() { do { } while (float2(1)); }", "error: 1: expected 'bool', but found 'float2'\n1 error\n"); } DEF_TEST(SkSLWhileTypeMismatch, r) { test_failure(r, "void main() { while (float3(1)) { } }", "error: 1: expected 'bool', but found 'float3'\n1 error\n"); } DEF_TEST(SkSLForTypeMismatch, r) { test_failure(r, "void main() { for (int x = 0; x; x++) { } }", "error: 1: expected 'bool', but found 'int'\n1 error\n"); } DEF_TEST(SkSLConstructorTypeMismatch, r) { test_failure(r, "void main() { float2 x = float2(1.0, false); }", "error: 1: expected 'float', but found 'bool'\n1 error\n"); test_failure(r, "void main() { float2 x = float2(bool2(false)); }", "error: 1: 'bool2' is not a valid parameter to 'float2' constructor\n1 error\n"); test_failure(r, "void main() { bool2 x = bool2(float2(1)); }", "error: 1: 'float2' is not a valid parameter to 'bool2' constructor\n1 error\n"); test_failure(r, "void main() { bool x = bool(1.0); }", "error: 1: cannot construct 'bool'\n1 error\n"); test_failure(r, "struct foo { int x; }; void main() { foo x = foo(5); }", "error: 1: cannot construct 'foo'\n1 error\n"); test_failure(r, "struct foo { int x; } foo; void main() { float x = float(foo); }", "error: 1: invalid argument to 'float' constructor (expected a number or bool, but found 'foo')\n1 error\n"); test_failure(r, "struct foo { int x; } foo; void main() { float2 x = float2(foo); }", "error: 1: 'foo' is not a valid parameter to 'float2' constructor\n1 error\n"); test_failure(r, "void main() { float2x2 x = float2x2(true); }", "error: 1: expected 'float', but found 'bool'\n1 error\n"); } DEF_TEST(SkSLConstructorArgumentCount, r) { test_failure(r, "void main() { float3 x = float3(1.0, 2.0); }", "error: 1: invalid arguments to 'float3' constructor (expected 3 scalars, but " "found 2)\n1 error\n"); test_failure(r, "void main() { float3 x = float3(1.0, 2.0, 3.0, 4.0); }", "error: 1: invalid arguments to 'float3' constructor (expected 3 scalars, but found " "4)\n1 error\n"); } DEF_TEST(SkSLSwizzleScalar, r) { test_failure(r, "void main() { float x = 1; float y = x.y; }", "error: 1: cannot swizzle value of type 'float'\n1 error\n"); } DEF_TEST(SkSLSwizzleMatrix, r) { test_failure(r, "void main() { float2x2 x = float2x2(1); float y = x.y; }", "error: 1: cannot swizzle value of type 'float2x2'\n1 error\n"); } DEF_TEST(SkSLSwizzleOutOfBounds, r) { test_failure(r, "void main() { float3 test = float2(1).xyz; }", "error: 1: invalid swizzle component 'z'\n1 error\n"); } DEF_TEST(SkSLSwizzleTooManyComponents, r) { test_failure(r, "void main() { float4 test = float2(1).xxxxx; }", "error: 1: too many components in swizzle mask 'xxxxx'\n1 error\n"); } DEF_TEST(SkSLSwizzleDuplicateOutput, r) { test_failure(r, "void main() { float4 test = float4(1); test.xyyz = float4(1); }", "error: 1: cannot write to the same swizzle field more than once\n1 error\n"); } DEF_TEST(SkSLSwizzleConstantOutput, r) { test_failure(r, "void main() { float4 test = float4(1); test.xyz0 = float4(1); }", "error: 1: cannot write to a swizzle mask containing a constant\n1 error\n"); } DEF_TEST(SkSLAssignmentTypeMismatch, r) { test_failure(r, "void main() { int x = 1.0; }", "error: 1: expected 'int', but found 'float'\n1 error\n"); test_failure(r, "void main() { int x; x = 1.0; }", "error: 1: type mismatch: '=' cannot operate on 'int', 'float'\n1 error\n"); test_success(r, "void main() { float3 x = float3(0); x *= 1.0; }"); test_failure(r, "void main() { int3 x = int3(0); x *= 1.0; }", "error: 1: type mismatch: '*=' cannot operate on 'int3', 'float'\n1 error\n"); } DEF_TEST(SkSLReturnFromVoid, r) { test_failure(r, "void main() { return true; }", "error: 1: may not return a value from a void function\n1 error\n"); } DEF_TEST(SkSLReturnMissingValue, r) { test_failure(r, "int foo() { return; } void main() { }", "error: 1: expected function to return 'int'\n1 error\n"); } DEF_TEST(SkSLReturnTypeMismatch, r) { test_failure(r, "int foo() { return 1.0; } void main() { }", "error: 1: expected 'int', but found 'float'\n1 error\n"); } DEF_TEST(SkSLDuplicateFunction, r) { test_failure(r, "void main() { } void main() { }", "error: 1: duplicate definition of void main()\n1 error\n"); test_success(r, "void main(); void main() { }"); } DEF_TEST(SkSLUsingInvalidValue, r) { test_failure(r, "void main() { int x = int; }", "error: 1: expected '(' to begin constructor invocation\n1 error\n"); test_failure(r, "int test() { return 1; } void main() { int x = test; }", "error: 1: expected '(' to begin function call\n1 error\n"); } DEF_TEST(SkSLDifferentReturnType, r) { test_failure(r, "int main() { return 1; } void main() { }", "error: 1: functions 'void main()' and 'int main()' differ only in return type\n1 " "error\n"); } DEF_TEST(SkSLDifferentModifiers, r) { test_failure(r, "void test(int x); void test(out int x) { }", "error: 1: modifiers on parameter 1 differ between declaration and definition\n1 " "error\n"); } DEF_TEST(SkSLDuplicateSymbol, r) { test_failure(r, "int main; void main() { }", "error: 1: symbol 'main' was already defined\n1 error\n"); test_failure(r, "int x; int x; void main() { }", "error: 1: symbol 'x' was already defined\n1 error\n"); test_success(r, "int x; void main() { int x; }"); } DEF_TEST(SkSLBinaryTypeMismatch, r) { test_failure(r, "void main() { float x = 3 * true; }", "error: 1: type mismatch: '*' cannot operate on 'int', 'bool'\n1 error\n"); test_failure(r, "void main() { bool x = 1 || 2.0; }", "error: 1: type mismatch: '||' cannot operate on 'int', 'float'\n1 error\n"); test_failure(r, "void main() { bool x = float2(0) == 0; }", "error: 1: type mismatch: '==' cannot operate on 'float2', 'int'\n1 error\n"); test_failure(r, "void main() { bool x = float2(0) != 0; }", "error: 1: type mismatch: '!=' cannot operate on 'float2', 'int'\n1 error\n"); } DEF_TEST(SkSLCallNonFunction, r) { test_failure(r, "void main() { float x = 3; x(); }", "error: 1: 'x' is not a function\n1 error\n"); } DEF_TEST(SkSLInvalidUnary, r) { test_failure(r, "void main() { float4x4 x = float4x4(1); ++x; }", "error: 1: '++' cannot operate on 'float4x4'\n1 error\n"); test_failure(r, "void main() { float3 x = float3(1); --x; }", "error: 1: '--' cannot operate on 'float3'\n1 error\n"); test_failure(r, "void main() { float4x4 x = float4x4(1); x++; }", "error: 1: '++' cannot operate on 'float4x4'\n1 error\n"); test_failure(r, "void main() { float3 x = float3(1); x--; }", "error: 1: '--' cannot operate on 'float3'\n1 error\n"); test_failure(r, "void main() { int x = !12; }", "error: 1: '!' cannot operate on 'int'\n1 error\n"); test_failure(r, "struct foo { } bar; void main() { foo x = +bar; }", "error: 1: '+' cannot operate on 'foo'\n1 error\n"); test_failure(r, "struct foo { } bar; void main() { foo x = -bar; }", "error: 1: '-' cannot operate on 'foo'\n1 error\n"); test_success(r, "void main() { float2 x = float2(1, 1); x = +x; x = -x; }"); } DEF_TEST(SkSLInvalidAssignment, r) { test_failure(r, "void main() { 1 = 2; }", "error: 1: cannot assign to '1'\n1 error\n"); test_failure(r, "uniform int x; void main() { x = 0; }", "error: 1: cannot modify immutable variable 'x'\n1 error\n"); test_failure(r, "const int x; void main() { x = 0; }", "error: 1: cannot modify immutable variable 'x'\n1 error\n"); } DEF_TEST(SkSLBadIndex, r) { test_failure(r, "void main() { int x = 2[0]; }", "error: 1: expected array, but found 'int'\n1 error\n"); test_failure(r, "void main() { float2 x = float2(0); int y = x[0][0]; }", "error: 1: expected array, but found 'float'\n1 error\n"); } DEF_TEST(SkSLTernaryMismatch, r) { test_failure(r, "void main() { int x = 5 > 2 ? true : 1.0; }", "error: 1: ternary operator result mismatch: 'bool', 'float'\n1 error\n"); test_failure(r, "void main() { int x = 5 > 2 ? float3(1) : 1.0; }", "error: 1: ternary operator result mismatch: 'float3', 'float'\n1 error\n"); } DEF_TEST(SkSLInterfaceBlockStorageModifiers, r) { test_failure(r, "uniform foo { out int x; };", "error: 1: interface block fields may not have storage qualifiers\n1 error\n"); } DEF_TEST(SkSLUseWithoutInitialize, r) { test_failure(r, "void main() { int x; if (5 == 2) x = 3; x++; }", "error: 1: 'x' has not been assigned\n1 error\n"); test_failure(r, "void main() { int x[2][2]; int i; x[i][1] = 4; }", "error: 1: 'i' has not been assigned\n1 error\n"); test_failure(r, "int main() { int r; return r; }", "error: 1: 'r' has not been assigned\n1 error\n"); test_failure(r, "void main() { int x; int y = x; }", "error: 1: 'x' has not been assigned\n1 error\n"); test_failure(r, "void main() { bool x; if (true && (false || x)) return; }", "error: 1: 'x' has not been assigned\n1 error\n"); test_failure(r, "void main() { int x; switch (3) { case 0: x = 0; case 1: x = 1; }" "sk_FragColor = half4(x); }", "error: 1: 'x' has not been assigned\n1 error\n"); } DEF_TEST(SkSLUnreachable, r) { test_failure(r, "void main() { return; return; }", "error: 1: unreachable\n1 error\n"); test_failure(r, "void main() { for (;;) { continue; int x = 1; } }", "error: 1: unreachable\n1 error\n"); /* test_failure(r, "void main() { for (;;) { } return; }", "error: 1: unreachable\n1 error\n");*/ test_failure(r, "void main() { if (true) return; else discard; return; }", "error: 1: unreachable\n1 error\n"); test_failure(r, "void main() { return; while (true); }", "error: 1: unreachable\n1 error\n"); } DEF_TEST(SkSLNoReturn, r) { test_failure(r, "int foo() { if (2 > 5) return 3; }", "error: 1: function can exit without returning a value\n1 error\n"); } DEF_TEST(SkSLBreakOutsideLoop, r) { test_failure(r, "void foo() { while(true) {} if (true) break; }", "error: 1: break statement must be inside a loop or switch\n1 error\n"); } DEF_TEST(SkSLContinueOutsideLoop, r) { test_failure(r, "void foo() { for(;;); continue; }", "error: 1: continue statement must be inside a loop\n1 error\n"); test_failure(r, "void foo() { switch (1) { default: continue; } }", "error: 1: continue statement must be inside a loop\n1 error\n"); } DEF_TEST(SkSLStaticIfError, r) { // ensure eliminated branch of static if / ternary is still checked for errors test_failure(r, "void foo() { if (true); else x = 5; }", "error: 1: unknown identifier 'x'\n1 error\n"); test_failure(r, "void foo() { if (false) x = 5; }", "error: 1: unknown identifier 'x'\n1 error\n"); test_failure(r, "void foo() { true ? 5 : x; }", "error: 1: unknown identifier 'x'\n1 error\n"); test_failure(r, "void foo() { false ? x : 5; }", "error: 1: unknown identifier 'x'\n1 error\n"); } DEF_TEST(SkSLBadCap, r) { test_failure(r, "bool b = sk_Caps.bugFreeDriver;", "error: 1: unknown capability flag 'bugFreeDriver'\n1 error\n"); } DEF_TEST(SkSLDivByZero, r) { test_failure(r, "int x = 1 / 0;", "error: 1: division by zero\n1 error\n"); test_failure(r, "float x = 1 / 0;", "error: 1: division by zero\n1 error\n"); test_failure(r, "float x = 1.0 / 0.0;", "error: 1: division by zero\n1 error\n"); test_failure(r, "float x = -67.0 / (3.0 - 3);", "error: 1: division by zero\n1 error\n"); } DEF_TEST(SkSLUnsupportedGLSLIdentifiers, r) { test_failure(r, "void main() { float x = gl_FragCoord.x; };", "error: 1: unknown identifier 'gl_FragCoord'\n1 error\n"); test_failure(r, "void main() { float r = gl_FragColor.r; };", "error: 1: unknown identifier 'gl_FragColor'\n1 error\n"); } DEF_TEST(SkSLWrongSwitchTypes, r) { test_failure(r, "void main() { switch (float2(1)) { case 1: break; } }", "error: 1: expected 'int', but found 'float2'\n1 error\n"); test_failure(r, "void main() { switch (1) { case float2(1): break; } }", "error: 1: expected 'int', but found 'float2'\n1 error\n"); } DEF_TEST(SkSLNonConstantCase, r) { test_failure(r, "void main() { int x = 1; switch (1) { case x: break; } }", "error: 1: case value must be a constant\n1 error\n"); } DEF_TEST(SkSLDuplicateCase, r) { test_failure(r, "void main() { switch (1) { case 0: case 1: case 0: break; } }", "error: 1: duplicate case value\n1 error\n"); } DEF_TEST(SkSLFieldAfterRuntimeArray, r) { test_failure(r, "buffer broken { float x[]; float y; };", "error: 1: only the last entry in an interface block may be a runtime-sized " "array\n1 error\n"); } DEF_TEST(SkSLStaticIf, r) { test_success(r, "void main() { float x = 5; float y = 10;" "@if (x < y) { sk_FragColor = half4(1); } }"); test_failure(r, "void main() { float x = sqrt(25); float y = 10;" "@if (x < y) { sk_FragColor = half4(1); } }", "error: 1: static if has non-static test\n1 error\n"); } DEF_TEST(SkSLStaticSwitch, r) { test_success(r, "void main() {" "int x = 1;" "@switch (x) {" "case 1: sk_FragColor = half4(1); break;" "default: sk_FragColor = half4(0);" "}" "}"); test_failure(r, "void main() {" "int x = int(sqrt(1));" "@switch (x) {" "case 1: sk_FragColor = half4(1); break;" "default: sk_FragColor = half4(0);" "}" "}", "error: 1: static switch has non-static test\n1 error\n"); test_failure(r, "void main() {" "int x = 1;" "@switch (x) {" "case 1: sk_FragColor = half4(1); if (sqrt(0) < sqrt(1)) break;" "default: sk_FragColor = half4(0);" "}" "}", "error: 1: static switch contains non-static conditional break\n1 error\n"); } DEF_TEST(SkSLInterfaceBlockScope, r) { test_failure(r, "uniform testBlock {" "float x;" "} test[x];", "error: 1: unknown identifier 'x'\n1 error\n"); } DEF_TEST(SkSLDuplicateOutput, r) { test_failure(r, "layout (location=0, index=0) out half4 duplicateOutput;", "error: 1: out location=0, index=0 is reserved for sk_FragColor\n1 error\n"); } DEF_TEST(SkSLConstantSwizzleNotLast, r) { test_failure(r, "void main() { sk_FragColor = half4(1).rg00; }", "error: 1: only the last swizzle component can be a constant\n1 error\n"); }