| /* |
| * Copyright 2019 Google LLC |
| * |
| * 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 "src/sksl/SkSLExternalValue.h" |
| #include "src/sksl/SkSLInterpreter.h" |
| #include "src/utils/SkJSON.h" |
| |
| #include "tests/Test.h" |
| |
| void test(skiatest::Reporter* r, const char* src, SkSL::Interpreter::Value* in, int expectedCount, |
| SkSL::Interpreter::Value* expected) { |
| SkSL::Compiler compiler; |
| SkSL::Program::Settings settings; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::Program::kGeneric_Kind, |
| SkSL::String(src), settings); |
| REPORTER_ASSERT(r, program); |
| if (program) { |
| std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program); |
| REPORTER_ASSERT(r, !compiler.errorCount()); |
| if (compiler.errorCount() > 0) { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| return; |
| } |
| SkSL::ByteCodeFunction* main = byteCode->fFunctions[0].get(); |
| SkSL::Interpreter interpreter(std::move(program), std::move(byteCode)); |
| std::unique_ptr<SkSL::Interpreter::Value[]> out = |
| std::unique_ptr<SkSL::Interpreter::Value[]>(new SkSL::Interpreter::Value[expectedCount]); |
| interpreter.run(*main, in, out.get()); |
| bool valid = !memcmp(out.get(), expected, sizeof(SkSL::Interpreter::Value) * expectedCount); |
| if (!valid) { |
| printf("for program: %s\n", src); |
| printf(" expected ("); |
| const char* separator = ""; |
| for (int i = 0; i < expectedCount; ++i) { |
| printf("%s%f", separator, expected[i].fFloat); |
| separator = ", "; |
| } |
| printf("), but received ("); |
| separator = ""; |
| for (int i = 0; i < expectedCount; ++i) { |
| printf("%s%f", separator, out.get()[i].fFloat); |
| separator = ", "; |
| } |
| printf(")\n"); |
| } |
| REPORTER_ASSERT(r, valid); |
| } else { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| } |
| } |
| |
| void test(skiatest::Reporter* r, const char* src, float inR, float inG, float inB, float inA, |
| float expectedR, float expectedG, float expectedB, float expectedA) { |
| SkSL::Compiler compiler; |
| SkSL::Program::Settings settings; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::Program::kGeneric_Kind, |
| SkSL::String(src), settings); |
| REPORTER_ASSERT(r, program); |
| if (program) { |
| std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program); |
| REPORTER_ASSERT(r, !compiler.errorCount()); |
| if (compiler.errorCount() > 0) { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| return; |
| } |
| SkSL::ByteCodeFunction* main = byteCode->fFunctions[0].get(); |
| SkSL::Interpreter interpreter(std::move(program), std::move(byteCode)); |
| float inoutColor[4] = { inR, inG, inB, inA }; |
| interpreter.run(*main, (SkSL::Interpreter::Value*) inoutColor, nullptr); |
| if (inoutColor[0] != expectedR || inoutColor[1] != expectedG || |
| inoutColor[2] != expectedB || inoutColor[3] != expectedA) { |
| printf("for program: %s\n", src); |
| printf(" expected (%f, %f, %f, %f), but received (%f, %f, %f, %f)\n", expectedR, |
| expectedG, expectedB, expectedA, inoutColor[0], inoutColor[1], inoutColor[2], |
| inoutColor[3]); |
| interpreter.disassemble(*main); |
| } |
| REPORTER_ASSERT(r, inoutColor[0] == expectedR); |
| REPORTER_ASSERT(r, inoutColor[1] == expectedG); |
| REPORTER_ASSERT(r, inoutColor[2] == expectedB); |
| REPORTER_ASSERT(r, inoutColor[3] == expectedA); |
| } else { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| } |
| } |
| |
| DEF_TEST(SkSLInterpreterAdd, r) { |
| test(r, "void main(inout half4 color) { color.r = color.r + color.g; }", 0.25, 0.75, 0, 0, 1, |
| 0.75, 0, 0); |
| test(r, "void main(inout half4 color) { color += half4(1, 2, 3, 4); }", 4, 3, 2, 1, 5, 5, 5, 5); |
| test(r, "void main(inout half4 color) { half4 c = color; color += c; }", 0.25, 0.5, 0.75, 1, |
| 0.5, 1, 1.5, 2); |
| test(r, "void main(inout half4 color) { int a = 1; int b = 3; color.r = a + b; }", 1, 2, 3, 4, |
| 4, 2, 3, 4); |
| } |
| |
| DEF_TEST(SkSLInterpreterSubtract, r) { |
| test(r, "void main(inout half4 color) { color.r = color.r - color.g; }", 1, 0.75, 0, 0, 0.25, |
| 0.75, 0, 0); |
| test(r, "void main(inout half4 color) { color -= half4(1, 2, 3, 4); }", 5, 5, 5, 5, 4, 3, 2, 1); |
| test(r, "void main(inout half4 color) { half4 c = color; color -= c; }", 4, 3, 2, 1, |
| 0, 0, 0, 0); |
| test(r, "void main(inout half4 color) { color.x = -color.x; }", 4, 3, 2, 1, -4, 3, 2, 1); |
| test(r, "void main(inout half4 color) { color = -color; }", 4, 3, 2, 1, -4, -3, -2, -1); |
| test(r, "void main(inout half4 color) { int a = 3; int b = 1; color.r = a - b; }", 0, 0, 0, 0, |
| 2, 0, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterMultiply, r) { |
| test(r, "void main(inout half4 color) { color.r = color.r * color.g; }", 2, 3, 0, 0, 6, 3, 0, |
| 0); |
| test(r, "void main(inout half4 color) { color *= half4(1, 2, 3, 4); }", 2, 3, 4, 5, 2, 6, 12, |
| 20); |
| test(r, "void main(inout half4 color) { half4 c = color; color *= c; }", 4, 3, 2, 1, |
| 16, 9, 4, 1); |
| test(r, "void main(inout half4 color) { int a = 3; int b = -2; color.r = a * b; }", 0, 0, 0, 0, |
| -6, 0, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterDivide, r) { |
| test(r, "void main(inout half4 color) { color.r = color.r / color.g; }", 1, 2, 0, 0, 0.5, 2, 0, |
| 0); |
| test(r, "void main(inout half4 color) { color /= half4(1, 2, 3, 4); }", 12, 12, 12, 12, 12, 6, |
| 4, 3); |
| test(r, "void main(inout half4 color) { half4 c = color; color /= c; }", 4, 3, 2, 1, |
| 1, 1, 1, 1); |
| test(r, "void main(inout half4 color) { int a = 8; int b = -2; color.r = a / b; }", 0, 0, 0, 0, |
| -4, 0, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterRemainder, r) { |
| test(r, "void main(inout half4 color) { color.r = color.r % color.g; }", 3.125, 2, 0, 0, |
| 1.125, 2, 0, 0); |
| test(r, "void main(inout half4 color) { color %= half4(1, 2, 3, 4); }", 9.5, 9.5, 9.5, 9.5, |
| 0.5, 1.5, 0.5, 1.5); |
| test(r, "void main(inout half4 color) { int a = 8; int b = 3; a %= b; color.r = a; }", 0, 0, 0, |
| 0, 2, 0, 0, 0); |
| test(r, "void main(inout half4 color) { int a = 8; int b = 3; color.r = a % b; }", 0, 0, 0, 0, |
| 2, 0, 0, 0); |
| test(r, "void main(inout half4 color) { int2 a = int2(8, 10); a %= 6; color.rg = a; }", 0, 0, 0, |
| 0, 2, 4, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterTernary, r) { |
| test(r, "void main(inout half4 color) { color.r = color.g > color.b ? color.g : color.b; }", |
| 0, 1, 2, 0, 2, 1, 2, 0); |
| test(r, "void main(inout half4 color) { color.r = color.g > color.b ? color.g : color.b; }", |
| 0, 3, 2, 0, 3, 3, 2, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterCast, r) { |
| SkSL::Interpreter::Value input[2]; |
| SkSL::Interpreter::Value expected[2]; |
| |
| input[0].fSigned = 3; |
| input[1].fSigned = -5; |
| expected[0].fFloat = 3.0f; |
| expected[1].fFloat = -5.0f; |
| test(r, "float main(int x) { return float (x); }", input, 1, expected); |
| test(r, "float2 main(int2 x) { return float2(x); }", input, 2, expected); |
| |
| input[0].fUnsigned = 3; |
| input[1].fUnsigned = 5; |
| expected[0].fFloat = 3.0f; |
| expected[1].fFloat = 5.0f; |
| test(r, "float main(uint x) { return float (x); }", input, 1, expected); |
| test(r, "float2 main(uint2 x) { return float2(x); }", input, 2, expected); |
| |
| input[0].fFloat = 3.0f; |
| input[1].fFloat = -5.0f; |
| expected[0].fSigned = 3; |
| expected[1].fSigned = -5; |
| test(r, "int main(float x) { return int (x); }", input, 1, expected); |
| test(r, "int2 main(float2 x) { return int2(x); }", input, 2, expected); |
| } |
| |
| DEF_TEST(SkSLInterpreterIf, r) { |
| test(r, "void main(inout half4 color) { if (color.r > color.g) color.a = 1; }", 5, 3, 0, 0, |
| 5, 3, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r > color.g) color.a = 1; }", 5, 5, 0, 0, |
| 5, 5, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r > color.g) color.a = 1; }", 5, 6, 0, 0, |
| 5, 6, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r < color.g) color.a = 1; }", 3, 5, 0, 0, |
| 3, 5, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r < color.g) color.a = 1; }", 5, 5, 0, 0, |
| 5, 5, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r < color.g) color.a = 1; }", 6, 5, 0, 0, |
| 6, 5, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r >= color.g) color.a = 1; }", 5, 3, 0, 0, |
| 5, 3, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r >= color.g) color.a = 1; }", 5, 5, 0, 0, |
| 5, 5, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r >= color.g) color.a = 1; }", 5, 6, 0, 0, |
| 5, 6, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r <= color.g) color.a = 1; }", 3, 5, 0, 0, |
| 3, 5, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r <= color.g) color.a = 1; }", 5, 5, 0, 0, |
| 5, 5, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r <= color.g) color.a = 1; }", 6, 5, 0, 0, |
| 6, 5, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r == color.g) color.a = 1; }", 2, 2, 0, 0, |
| 2, 2, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r == color.g) color.a = 1; }", 2, -2, 0, 0, |
| 2, -2, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r != color.g) color.a = 1; }", 2, 2, 0, 0, |
| 2, 2, 0, 0); |
| test(r, "void main(inout half4 color) { if (color.r != color.g) color.a = 1; }", 2, -2, 0, 0, |
| 2, -2, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r == color.g) color.a = 1; else " |
| "color.a = 2; }", 1, 1, 0, 0, 1, 1, 0, 1); |
| test(r, "void main(inout half4 color) { if (color.r == color.g) color.a = 1; else " |
| "color.a = 2; }", 2, -2, 0, 0, 2, -2, 0, 2); |
| } |
| |
| DEF_TEST(SkSLInterpreterWhile, r) { |
| test(r, "void main(inout half4 color) { while (color.r < 1) color.r += 0.25; }", 0, 0, 0, 0, 1, |
| 0, 0, 0); |
| test(r, "void main(inout half4 color) { while (color.r > 1) color.r += 0.25; }", 0, 0, 0, 0, 0, |
| 0, 0, 0); |
| test(r, "void main(inout half4 color) { while (true) { color.r += 0.5; " |
| "if (color.r > 1) break; } }", 0, 0, 0, 0, 1.5, 0, 0, 0); |
| test(r, "void main(inout half4 color) { while (color.r < 10) { color.r += 0.5; " |
| "if (color.r < 5) continue; break; } }", 0, 0, 0, 0, 5, 0, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterDo, r) { |
| test(r, "void main(inout half4 color) { do color.r += 0.25; while (color.r < 1); }", 0, 0, 0, 0, |
| 1, 0, 0, 0); |
| test(r, "void main(inout half4 color) { do color.r += 0.25; while (color.r > 1); }", 0, 0, 0, 0, |
| 0.25, 0, 0, 0); |
| test(r, "void main(inout half4 color) { do { color.r += 0.5; if (color.r > 1) break; } while " |
| "(true); }", 0, 0, 0, 0, 1.5, 0, 0, 0); |
| test(r, "void main(inout half4 color) {do { color.r += 0.5; if (color.r < 5) " |
| "continue; if (color.r >= 5) break; } while (true); }", 0, 0, 0, 0, 5, 0, 0, 0); |
| test(r, "void main(inout half4 color) { do { color.r += 0.5; } while (false); }", |
| 0, 0, 0, 0, 0.5, 0, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterFor, r) { |
| test(r, "void main(inout half4 color) { for (int i = 1; i <= 10; ++i) color.r += i; }", 0, 0, 0, |
| 0, 55, 0, 0, 0); |
| test(r, |
| "void main(inout half4 color) {" |
| " for (int i = 1; i <= 10; ++i)" |
| " for (int j = i; j <= 10; ++j)" |
| " color.r += j;" |
| "}", |
| 0, 0, 0, 0, |
| 385, 0, 0, 0); |
| test(r, |
| "void main(inout half4 color) {" |
| " for (int i = 1; i <= 10; ++i)" |
| " for (int j = 1; ; ++j) {" |
| " if (i == j) continue;" |
| " if (j > 10) break;" |
| " color.r += j;" |
| " }" |
| "}", |
| 0, 0, 0, 0, |
| 495, 0, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterPrefixPostfix, r) { |
| test(r, "void main(inout half4 color) { color.r = ++color.g; }", 1, 2, 3, 4, 3, 3, 3, 4); |
| test(r, "void main(inout half4 color) { color.r = color.g++; }", 1, 2, 3, 4, 2, 3, 3, 4); |
| } |
| |
| DEF_TEST(SkSLInterpreterSwizzle, r) { |
| test(r, "void main(inout half4 color) { color = color.abgr; }", 1, 2, 3, 4, 4, 3, 2, 1); |
| test(r, "void main(inout half4 color) { color.rgb = half4(5, 6, 7, 8).bbg; }", 1, 2, 3, 4, 7, 7, |
| 6, 4); |
| test(r, "void main(inout half4 color) { color.bgr = int3(5, 6, 7); }", 1, 2, 3, 4, 7, 6, |
| 5, 4); |
| } |
| |
| DEF_TEST(SkSLInterpreterGlobal, r) { |
| test(r, "int x; void main(inout half4 color) { x = 10; color.b = x; }", 1, 2, 3, 4, 1, 2, 10, |
| 4); |
| test(r, "float4 x; void main(inout float4 color) { x = color * 2; color = x; }", |
| 1, 2, 3, 4, 2, 4, 6, 8); |
| test(r, "float4 x; void main(inout float4 color) { x = float4(5, 6, 7, 8); color = x.wzyx; }", |
| 1, 2, 3, 4, 8, 7, 6, 5); |
| test(r, "float4 x; void main(inout float4 color) { x.wzyx = float4(5, 6, 7, 8); color = x; }", |
| 1, 2, 3, 4, 8, 7, 6, 5); |
| } |
| |
| DEF_TEST(SkSLInterpreterGeneric, r) { |
| float value1 = 5; |
| float expected1 = 25; |
| test(r, "float main(float x) { return x * x; }", (SkSL::Interpreter::Value*) &value1, 1, |
| (SkSL::Interpreter::Value*) &expected1); |
| float value2[2] = { 5, 25 }; |
| float expected2[2] = { 25, 625 }; |
| test(r, "float2 main(float x, float y) { return float2(x * x, y * y); }", |
| (SkSL::Interpreter::Value*) &value2, 2, |
| (SkSL::Interpreter::Value*) expected2); |
| } |
| |
| DEF_TEST(SkSLInterpreterSetInputs, r) { |
| const char* src = R"( |
| layout(ctype=float) in uniform float x; |
| float main(float y) { return x + y; } |
| )"; |
| |
| SkSL::Compiler compiler; |
| SkSL::Program::Settings settings; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::Program::kGeneric_Kind, |
| SkSL::String(src), settings); |
| REPORTER_ASSERT(r, program); |
| |
| std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program); |
| REPORTER_ASSERT(r, !compiler.errorCount()); |
| |
| SkSL::ByteCodeFunction* main = byteCode->fFunctions[0].get(); |
| |
| float x = 1.0f; |
| SkSL::Interpreter interpreter(std::move(program), std::move(byteCode), |
| (SkSL::Interpreter::Value*)&x); |
| float out = 0.0f; |
| float in = 2.0f; |
| interpreter.run(*main, (SkSL::Interpreter::Value*)&in, (SkSL::Interpreter::Value*)&out); |
| REPORTER_ASSERT(r, out == 3.0f); |
| |
| // External updates should be ignored |
| x = 3.0f; |
| out = 0.0f; |
| interpreter.run(*main, (SkSL::Interpreter::Value*)&in, (SkSL::Interpreter::Value*)&out); |
| REPORTER_ASSERT(r, out == 3.0f); |
| |
| // Updating inputs should affect subsequent calls to run |
| out = 0.0f; |
| interpreter.setInputs((SkSL::Interpreter::Value*)&x); |
| interpreter.run(*main, (SkSL::Interpreter::Value*)&in, (SkSL::Interpreter::Value*)&out); |
| REPORTER_ASSERT(r, out == 5.0f); |
| } |
| |
| |
| DEF_TEST(SkSLInterpreterFunctions, r) { |
| const char* src = |
| "float sqr(float x) { return x * x; }\n" |
| // Forward declared |
| "float sub(float x, float y);\n" |
| "float main(float x) { return sub(sqr(x), x); }\n" |
| "float sub(float x, float y) { return x - y; }\n" |
| |
| // Different signatures |
| "float dot(float2 a, float2 b) { return a.x*b.x + a.y*b.y; }\n" |
| "float dot(float3 a, float3 b) { return a.x*b.x + a.y*b.y + a.z*b.z; }\n" |
| "float dot3_test(float x) { return dot(float3(x, x + 1, x + 2), float3(1, -1, 2)); }\n" |
| "float dot2_test(float x) { return dot(float2(x, x + 1), float2(1, -1)); }\n" |
| "int fib(int i) { return (i < 2) ? 1 : fib(i - 1) + fib(i - 2); }"; |
| |
| SkSL::Compiler compiler; |
| SkSL::Program::Settings settings; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::Program::kGeneric_Kind, |
| SkSL::String(src), settings); |
| REPORTER_ASSERT(r, program); |
| |
| std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program); |
| REPORTER_ASSERT(r, !compiler.errorCount()); |
| |
| auto sub = byteCode->getFunction("sub"); |
| auto sqr = byteCode->getFunction("sqr"); |
| auto main = byteCode->getFunction("main"); |
| auto tan = byteCode->getFunction("tan"); |
| auto dot3 = byteCode->getFunction("dot3_test"); |
| auto dot2 = byteCode->getFunction("dot2_test"); |
| auto fib = byteCode->getFunction("fib"); |
| |
| REPORTER_ASSERT(r, sub); |
| REPORTER_ASSERT(r, sqr); |
| REPORTER_ASSERT(r, main); |
| REPORTER_ASSERT(r, !tan); |
| REPORTER_ASSERT(r, dot3); |
| REPORTER_ASSERT(r, dot2); |
| REPORTER_ASSERT(r, fib); |
| |
| SkSL::Interpreter interpreter(std::move(program), std::move(byteCode), nullptr); |
| float out = 0.0f; |
| float in = 3.0f; |
| interpreter.run(*main, (SkSL::Interpreter::Value*)&in, (SkSL::Interpreter::Value*)&out); |
| REPORTER_ASSERT(r, out = 6.0f); |
| |
| interpreter.run(*dot3, (SkSL::Interpreter::Value*)&in, (SkSL::Interpreter::Value*)&out); |
| REPORTER_ASSERT(r, out = 9.0f); |
| |
| interpreter.run(*dot2, (SkSL::Interpreter::Value*)&in, (SkSL::Interpreter::Value*)&out); |
| REPORTER_ASSERT(r, out = -1.0f); |
| |
| int fibIn = 6; |
| int fibOut = 0; |
| interpreter.run(*fib, (SkSL::Interpreter::Value*)&fibIn, (SkSL::Interpreter::Value*)&fibOut); |
| REPORTER_ASSERT(r, fibOut == 13); |
| } |
| |
| static const SkSL::Type& type_of(const skjson::Value* value, SkSL::Compiler* compiler) { |
| switch (value->getType()) { |
| case skjson::Value::Type::kNumber: { |
| float f = *value->as<skjson::NumberValue>(); |
| if (f == (float) (int) f) { |
| return *compiler->context().fInt_Type; |
| } |
| return *compiler->context().fFloat_Type; |
| } |
| case skjson::Value::Type::kBool: |
| return *compiler->context().fBool_Type; |
| default: |
| return *compiler->context().fVoid_Type; |
| } |
| } |
| |
| class JSONExternalValue : public SkSL::ExternalValue { |
| public: |
| JSONExternalValue(const char* name, const skjson::Value* value, SkSL::Compiler* compiler) |
| : INHERITED(name, type_of(value, compiler)) |
| , fValue(*value) |
| , fCompiler(*compiler) {} |
| |
| bool canRead() const override { |
| return type() != *fCompiler.context().fVoid_Type; |
| } |
| |
| void read(void* target) override { |
| if (type() == *fCompiler.context().fInt_Type) { |
| *(int*) target = *fValue.as<skjson::NumberValue>(); |
| } else if (type() == *fCompiler.context().fFloat_Type) { |
| *(float*) target = *fValue.as<skjson::NumberValue>(); |
| } else if (type() == *fCompiler.context().fBool_Type) { |
| *(bool*) target = *fValue.as<skjson::BoolValue>(); |
| } else { |
| SkASSERT(false); |
| } |
| } |
| |
| SkSL::ExternalValue* getChild(const char* name) const override { |
| if (fValue.getType() == skjson::Value::Type::kObject) { |
| const skjson::Value& v = fValue.as<skjson::ObjectValue>()[name]; |
| return (SkSL::ExternalValue*) fCompiler.takeOwnership(std::unique_ptr<Symbol>( |
| new JSONExternalValue(name, &v, &fCompiler))); |
| } |
| return nullptr; |
| } |
| |
| private: |
| const skjson::Value& fValue; |
| SkSL::Compiler& fCompiler; |
| |
| typedef SkSL::ExternalValue INHERITED; |
| }; |
| |
| class PointerExternalValue : public SkSL::ExternalValue { |
| public: |
| PointerExternalValue(const char* name, const SkSL::Type& type, void* data, size_t size) |
| : INHERITED(name, type) |
| , fData(data) |
| , fSize(size) {} |
| |
| bool canRead() const override { |
| return true; |
| } |
| |
| bool canWrite() const override { |
| return true; |
| } |
| |
| void read(void* target) override { |
| memcpy(target, fData, fSize); |
| } |
| |
| void write(void* src) override { |
| memcpy(fData, src, fSize); |
| } |
| |
| |
| private: |
| void* fData; |
| size_t fSize; |
| |
| typedef SkSL::ExternalValue INHERITED; |
| }; |
| |
| DEF_TEST(SkSLInterpreterExternalValues, r) { |
| const char* json = "{ \"value1\": 12, \"child\": { \"value2\": true, \"value3\": 5.5 } }"; |
| skjson::DOM dom(json, strlen(json)); |
| SkSL::Compiler compiler; |
| SkSL::Program::Settings settings; |
| const char* src = "float main() {" |
| " outValue = 152;" |
| " if (root.child.value2)" |
| " return root.value1 * root.child.value3;" |
| " return -1;" |
| "}"; |
| compiler.registerExternalValue((SkSL::ExternalValue*) compiler.takeOwnership( |
| std::unique_ptr<SkSL::Symbol>(new JSONExternalValue("root", &dom.root(), &compiler)))); |
| int32_t outValue = -1; |
| compiler.registerExternalValue((SkSL::ExternalValue*) compiler.takeOwnership( |
| std::unique_ptr<SkSL::Symbol>(new PointerExternalValue("outValue", |
| *compiler.context().fInt_Type, |
| &outValue, |
| sizeof(outValue))))); |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::Program::kGeneric_Kind, |
| SkSL::String(src), settings); |
| REPORTER_ASSERT(r, program); |
| if (program) { |
| std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program); |
| REPORTER_ASSERT(r, !compiler.errorCount()); |
| if (compiler.errorCount() > 0) { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| return; |
| } |
| SkSL::ByteCodeFunction* main = byteCode->fFunctions[0].get(); |
| SkSL::Interpreter interpreter(std::move(program), std::move(byteCode)); |
| SkSL::Interpreter::Value out; |
| interpreter.run(*main, nullptr, &out); |
| REPORTER_ASSERT(r, out.fFloat == 66.0); |
| REPORTER_ASSERT(r, outValue == 152); |
| } else { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| } |
| } |
| |
| DEF_TEST(SkSLInterpreterExternalValuesVector, r) { |
| SkSL::Compiler compiler; |
| SkSL::Program::Settings settings; |
| const char* src = "void main() {" |
| " value *= 2;" |
| "}"; |
| int32_t value[4] = { 1, 2, 3, 4 }; |
| compiler.registerExternalValue((SkSL::ExternalValue*) compiler.takeOwnership( |
| std::unique_ptr<SkSL::Symbol>(new PointerExternalValue("value", |
| *compiler.context().fInt4_Type, |
| value, |
| sizeof(value))))); |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram(SkSL::Program::kGeneric_Kind, |
| SkSL::String(src), |
| settings); |
| REPORTER_ASSERT(r, program); |
| if (program) { |
| std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program); |
| REPORTER_ASSERT(r, !compiler.errorCount()); |
| if (compiler.errorCount() > 0) { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| return; |
| } |
| SkSL::ByteCodeFunction* main = byteCode->fFunctions[0].get(); |
| SkSL::Interpreter interpreter(std::move(program), std::move(byteCode)); |
| SkSL::Interpreter::Value out; |
| interpreter.run(*main, nullptr, &out); |
| REPORTER_ASSERT(r, value[0] == 2); |
| REPORTER_ASSERT(r, value[1] == 4); |
| REPORTER_ASSERT(r, value[2] == 6); |
| REPORTER_ASSERT(r, value[3] == 8); |
| } else { |
| printf("%s\n%s", src, compiler.errorText().c_str()); |
| } |
| } |