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- /*
- * 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 "include/core/SkPoint3.h"
- #include "src/sksl/SkSLByteCode.h"
- #include "src/sksl/SkSLCompiler.h"
- #include "src/sksl/SkSLExternalValue.h"
- #include "src/utils/SkJSON.h"
- #include "tests/Test.h"
- static bool nearly_equal(const float a[], const float b[], int count) {
- for (int i = 0; i < count; ++i) {
- if (!SkScalarNearlyEqual(a[i], b[i])) {
- return false;
- }
- }
- return true;
- }
- void test(skiatest::Reporter* r, const char* src, float* in, int expectedCount, float* expected,
- bool exactCompare = true) {
- 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);
- program.reset();
- 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();
- std::unique_ptr<float[]> out = std::unique_ptr<float[]>(new float[expectedCount]);
- SkAssertResult(byteCode->run(main, in, out.get(), 1, nullptr, 0));
- bool valid = exactCompare ? !memcmp(out.get(), expected, sizeof(float) * expectedCount)
- : nearly_equal(out.get(), expected, 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]);
- separator = ", ";
- }
- printf("), but received (");
- separator = "";
- for (int i = 0; i < expectedCount; ++i) {
- printf("%s%f", separator, out.get()[i]);
- separator = ", ";
- }
- printf(")\n");
- main->disassemble();
- }
- REPORTER_ASSERT(r, valid);
- } else {
- printf("%s\n%s", src, compiler.errorText().c_str());
- }
- }
- void vec_test(skiatest::Reporter* r, const char* src) {
- // Test on four different vectors (with varying orderings to get divergent control flow)
- const float input[16] = { 1, 2, 3, 4,
- 4, 3, 2, 1,
- 7, 5, 8, 6,
- 6, 8, 5, 7 };
- SkSL::Compiler compiler;
- std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
- SkSL::Program::kGeneric_Kind, SkSL::String(src), SkSL::Program::Settings());
- if (!program) {
- REPORT_FAILURE(r, "!program", SkString(compiler.errorText().c_str()));
- return;
- }
- std::unique_ptr<SkSL::ByteCode> byteCode = compiler.toByteCode(*program);
- if (compiler.errorCount() > 0) {
- REPORT_FAILURE(r, "!toByteCode", SkString(compiler.errorText().c_str()));
- return;
- }
- const SkSL::ByteCodeFunction* main = byteCode->getFunction("main");
- float out_s[16], out_v[16];
- memcpy(out_s, input, sizeof(out_s));
- memcpy(out_v, input, sizeof(out_v));
- // First run in scalar mode to determine the expected output
- for (int i = 0; i < 4; ++i) {
- SkAssertResult(byteCode->run(main, out_s + i * 4, nullptr, 1, nullptr, 0));
- }
- // Now run in parallel and compare results
- SkAssertResult(byteCode->run(main, out_v, nullptr, 4, nullptr, 0));
- if (memcmp(out_s, out_v, sizeof(out_s)) != 0) {
- printf("for program: %s\n", src);
- for (int i = 0; i < 4; ++i) {
- printf("(%g %g %g %g) -> (%g %g %g %g), expected (%g %g %g %g)\n",
- input[4*i + 0], input[4*i + 1], input[4*i + 2], input[4*i + 3],
- out_v[4*i + 0], out_v[4*i + 1], out_v[4*i + 2], out_v[4*i + 3],
- out_s[4*i + 0], out_s[4*i + 1], out_s[4*i + 2], out_s[4*i + 3]);
- }
- main->disassemble();
- REPORT_FAILURE(r, "VecInterpreter mismatch", SkString());
- }
- }
- 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);
- program.reset();
- REPORTER_ASSERT(r, !compiler.errorCount());
- if (compiler.errorCount() > 0) {
- printf("%s\n%s", src, compiler.errorText().c_str());
- return;
- }
- const SkSL::ByteCodeFunction* main = byteCode->getFunction("main");
- float inoutColor[4] = { inR, inG, inB, inA };
- SkAssertResult(byteCode->run(main, inoutColor, nullptr, 1, nullptr, 0));
- 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]);
- main->disassemble();
- }
- 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());
- }
- // Do additional testing of 4x1 vs 1x4 to stress divergent control flow, etc.
- vec_test(r, src);
- }
- 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(SkSLInterpreterMatrix, r) {
- float in[16];
- float expected[16];
- // Constructing matrix from scalar produces a diagonal matrix
- in[0] = 1.0f;
- expected[0] = 2.0f;
- test(r, "float main(float x) { float4x4 m = float4x4(x); return m[1][1] + m[1][2] + m[2][2]; }",
- in, 1, expected);
- // With non-square matrix
- test(r, "float main(float x) { float3x2 m = float3x2(x); return m[0][0] + m[1][1] + m[2][1]; }",
- in, 1, expected);
- // Constructing from a different-sized matrix fills the remaining space with the identity matrix
- test(r, "float main(float x) {"
- "float3x2 m = float3x2(x);"
- "float4x4 m2 = float4x4(m);"
- "return m2[0][0] + m2[3][3]; }",
- in, 1, expected);
- // Constructing a matrix from vectors or scalars fills in values in column-major order
- in[0] = 1.0f;
- in[1] = 2.0f;
- in[2] = 4.0f;
- in[3] = 8.0f;
- expected[0] = 6.0f;
- test(r, "float main(float4 v) { float2x2 m = float2x2(v); return m[0][1] + m[1][0]; }",
- in, 1, expected);
- expected[0] = 10.0f;
- test(r, "float main(float4 v) {"
- "float2x2 m = float2x2(v.x, v.y, v.w, v.z);"
- "return m[0][1] + m[1][0]; }",
- in, 1, expected);
- // Initialize 16 values to be used as inputs to matrix tests
- for (int i = 0; i < 16; ++i) { in[i] = (float)i; }
- // M+M, M-S, S-M
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(2 * i); }
- test(r, "float4x4 main(float4x4 m) { return m + m; }", in, 16, expected);
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(i + 3); }
- test(r, "float4x4 main(float4x4 m) { return m + 3.0; }", in, 16, expected);
- test(r, "float4x4 main(float4x4 m) { return 3.0 + m; }", in, 16, expected);
- // M-M, M-S, S-M
- for (int i = 0; i < 8; ++i) { expected[i] = 8.0f; }
- test(r, "float4x2 main(float4x2 m1, float4x2 m2) { return m2 - m1; }", in, 8, expected);
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(i - 3); }
- test(r, "float4x4 main(float4x4 m) { return m - 3.0; }", in, 16, expected);
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(3 - i); }
- test(r, "float4x4 main(float4x4 m) { return 3.0 - m; }", in, 16, expected);
- // M*S, S*M, M/S, S/M
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(i * 3); }
- test(r, "float4x4 main(float4x4 m) { return m * 3.0; }", in, 16, expected);
- test(r, "float4x4 main(float4x4 m) { return 3.0 * m; }", in, 16, expected);
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(i) / 2.0f; }
- test(r, "float4x4 main(float4x4 m) { return m / 2.0; }", in, 16, expected);
- for (int i = 0; i < 16; ++i) { expected[i] = 1.0f / (float)(i + 1); }
- test(r, "float4x4 main(float4x4 m) { return 1.0 / (m + 1); }", in, 16, expected);
- #if 0
- // Matrix negation - legal in GLSL, not in SkSL?
- for (int i = 0; i < 16; ++i) { expected[i] = (float)(-i); }
- test(r, "float4x4 main(float4x4 m) { return -m; }", in, 16, expected);
- #endif
- // M*V, V*M
- for (int i = 0; i < 4; ++i) {
- expected[i] = 12.0f*i + 13.0f*(i+4) + 14.0f*(i+8);
- }
- test(r, "float4 main(float3x4 m, float3 v) { return m * v; }", in, 4, expected);
- for (int i = 0; i < 4; ++i) {
- expected[i] = 12.0f*(3*i) + 13.0f*(3*i+1) + 14.0f*(3*i+2);
- }
- test(r, "float4 main(float4x3 m, float3 v) { return v * m; }", in, 4, expected);
- // M*M
- {
- SkMatrix44 m;
- m.setColMajorf(in);
- SkMatrix44 m2;
- for (int i = 0; i < 16; ++i) {
- m2.set(i % 4, i / 4, (i + 4) % 16);
- }
- m.setConcat(m, m2);
- // Rearrange the columns on the RHS so we detect left-hand/right-hand errors
- test(r, "float4x4 main(float4x4 m) { return m * float4x4(m[1], m[2], m[3], m[0]); }",
- in, 16, (float*)&m);
- }
- }
- 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) {
- union Val {
- float f;
- uint32_t u;
- int32_t s;
- };
- Val input[2];
- Val expected[2];
- input[0].s = 3;
- input[1].s = -5;
- expected[0].f = 3.0f;
- expected[1].f = -5.0f;
- test(r, "float main(int x) { return float (x); }", (float*)input, 1, (float*)expected);
- test(r, "float2 main(int2 x) { return float2(x); }", (float*)input, 2, (float*)expected);
- input[0].u = 3;
- input[1].u = 5;
- expected[0].f = 3.0f;
- expected[1].f = 5.0f;
- test(r, "float main(uint x) { return float (x); }", (float*)input, 1, (float*)expected);
- test(r, "float2 main(uint2 x) { return float2(x); }", (float*)input, 2, (float*)expected);
- input[0].f = 3.0f;
- input[1].f = -5.0f;
- expected[0].s = 3;
- expected[1].s = -5;
- test(r, "int main(float x) { return int (x); }", (float*)input, 1, (float*)expected);
- test(r, "int2 main(float2 x) { return int2(x); }", (float*)input, 2, (float*)expected);
- input[0].s = 3;
- expected[0].f = 3.0f;
- expected[1].f = 3.0f;
- test(r, "float2 main(int x) { return float2(x); }", (float*)input, 2, (float*)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(SkSLInterpreterIfVector, r) {
- test(r, "void main(inout half4 color) { if (color.rg == color.ba) color.a = 1; }",
- 1, 2, 1, 2, 1, 2, 1, 1);
- test(r, "void main(inout half4 color) { if (color.rg == color.ba) color.a = 1; }",
- 1, 2, 3, 2, 1, 2, 3, 2);
- test(r, "void main(inout half4 color) { if (color.rg != color.ba) color.a = 1; }",
- 1, 2, 1, 2, 1, 2, 1, 2);
- test(r, "void main(inout half4 color) { if (color.rg != color.ba) color.a = 1; }",
- 1, 2, 3, 2, 1, 2, 3, 1);
- }
- DEF_TEST(SkSLInterpreterWhile, r) {
- test(r, "void main(inout half4 color) { while (color.r < 8) { color.r++; } }",
- 1, 2, 3, 4, 8, 2, 3, 4);
- 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 > 5) break; } }", 0, 0, 0, 0, 5.5, 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);
- test(r,
- "void main(inout half4 color) {"
- " while (true) {"
- " if (color.r > 4) { break; }"
- " while (true) { color.a = 1; break; }"
- " break;"
- " }"
- "}",
- 6, 5, 4, 3, 6, 5, 4, 3);
- }
- 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; }", &value1, 1, &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); }", value2, 2, expected2);
- }
- DEF_TEST(SkSLInterpreterCompound, r) {
- struct RectAndColor { SkIRect fRect; SkColor4f fColor; };
- struct ManyRects { int fNumRects; RectAndColor fRects[4]; };
- const char* src =
- // Some struct definitions
- "struct Point { int x; int y; };\n"
- "struct Rect { Point p0; Point p1; };\n"
- "struct RectAndColor { Rect r; float4 color; };\n"
- // Structs as globals, parameters, return values
- "RectAndColor temp;\n"
- "int rect_height(Rect r) { return r.p1.y - r.p0.y; }\n"
- "RectAndColor make_blue_rect(int w, int h) {\n"
- " temp.r.p0.x = temp.r.p0.y = 0;\n"
- " temp.r.p1.x = w; temp.r.p1.y = h;\n"
- " temp.color = float4(0, 1, 0, 1);\n"
- " return temp;\n"
- "}\n"
- // Initialization and assignment of types larger than 4 slots
- "RectAndColor init_big(RectAndColor r) { RectAndColor s = r; return s; }\n"
- "RectAndColor copy_big(RectAndColor r) { RectAndColor s; s = r; return s; }\n"
- // Same for arrays, including some non-constant indexing
- "float tempFloats[8];\n"
- "int median(int a[15]) { return a[7]; }\n"
- "float[8] sums(float a[8]) {\n"
- " float tempFloats[8];\n"
- " tempFloats[0] = a[0];\n"
- " for (int i = 1; i < 8; ++i) { tempFloats[i] = tempFloats[i - 1] + a[i]; }\n"
- " return tempFloats;\n"
- "}\n"
- // Uniforms, array-of-structs, dynamic indices
- "in uniform Rect gRects[4];\n"
- "Rect get_rect(int i) { return gRects[i]; }\n"
- // Kitchen sink (swizzles, inout, SoAoS)
- "struct ManyRects { int numRects; RectAndColor rects[4]; };\n"
- "void fill_rects(inout ManyRects mr) {\n"
- " for (int i = 0; i < mr.numRects; ++i) {\n"
- " mr.rects[i].r = gRects[i];\n"
- " float b = mr.rects[i].r.p1.y;\n"
- " mr.rects[i].color = float4(b, b, b, b);\n"
- " }\n"
- "}\n";
- 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 rect_height = byteCode->getFunction("rect_height"),
- make_blue_rect = byteCode->getFunction("make_blue_rect"),
- median = byteCode->getFunction("median"),
- sums = byteCode->getFunction("sums"),
- get_rect = byteCode->getFunction("get_rect"),
- fill_rects = byteCode->getFunction("fill_rects");
- SkIRect gRects[4] = { { 1,2,3,4 }, { 5,6,7,8 }, { 9,10,11,12 }, { 13,14,15,16 } };
- {
- SkIRect in = SkIRect::MakeXYWH(10, 10, 20, 30);
- int out = 0;
- SkAssertResult(byteCode->run(rect_height, (float*)&in, (float*)&out, 1, (float*)gRects, 16));
- REPORTER_ASSERT(r, out == 30);
- }
- {
- int in[2] = { 15, 25 };
- RectAndColor out;
- SkAssertResult(byteCode->run(make_blue_rect, (float*)in, (float*)&out, 1, (float*)gRects, 16));
- REPORTER_ASSERT(r, out.fRect.width() == 15);
- REPORTER_ASSERT(r, out.fRect.height() == 25);
- SkColor4f blue = { 0.0f, 1.0f, 0.0f, 1.0f };
- REPORTER_ASSERT(r, out.fColor == blue);
- }
- {
- int in[15] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
- int out = 0;
- SkAssertResult(byteCode->run(median, (float*)in, (float*)&out, 1, (float*)gRects, 16));
- REPORTER_ASSERT(r, out == 8);
- }
- {
- float in[8] = { 1, 2, 3, 4, 5, 6, 7, 8 };
- float out[8] = { 0 };
- SkAssertResult(byteCode->run(sums, in, out, 1, (float*)gRects, 16));
- for (int i = 0; i < 8; ++i) {
- REPORTER_ASSERT(r, out[i] == static_cast<float>((i + 1) * (i + 2) / 2));
- }
- }
- {
- int in = 2;
- SkIRect out = SkIRect::MakeEmpty();
- SkAssertResult(byteCode->run(get_rect, (float*)&in, (float*)&out, 1, (float*)gRects, 16));
- REPORTER_ASSERT(r, out == gRects[2]);
- }
- {
- ManyRects in;
- memset(&in, 0, sizeof(in));
- in.fNumRects = 2;
- SkAssertResult(byteCode->run(fill_rects, (float*)&in, nullptr, 1, (float*)gRects, 16));
- ManyRects expected;
- memset(&expected, 0, sizeof(expected));
- expected.fNumRects = 2;
- for (int i = 0; i < 2; ++i) {
- expected.fRects[i].fRect = gRects[i];
- float c = gRects[i].fBottom;
- expected.fRects[i].fColor = { c, c, c, c };
- }
- REPORTER_ASSERT(r, memcmp(&in, &expected, sizeof(in)) == 0);
- }
- }
- static void expect_failure(skiatest::Reporter* r, const char* src) {
- SkSL::Compiler compiler;
- auto program = compiler.convertProgram(SkSL::Program::kGeneric_Kind, SkSL::String(src),
- SkSL::Program::Settings());
- REPORTER_ASSERT(r, program);
- auto byteCode = compiler.toByteCode(*program);
- REPORTER_ASSERT(r, compiler.errorCount() > 0);
- REPORTER_ASSERT(r, !byteCode);
- }
- static void expect_run_failure(skiatest::Reporter* r, const char* src, float* in) {
- SkSL::Compiler compiler;
- auto program = compiler.convertProgram(SkSL::Program::kGeneric_Kind, SkSL::String(src),
- SkSL::Program::Settings());
- REPORTER_ASSERT(r, program);
- auto byteCode = compiler.toByteCode(*program);
- REPORTER_ASSERT(r, byteCode);
- bool result = byteCode->run(byteCode->getFunction("main"), in, nullptr, 1, nullptr, 0);
- REPORTER_ASSERT(r, !result);
- }
- DEF_TEST(SkSLInterpreterRestrictFunctionCalls, r) {
- // Ensure that simple recursion is not allowed
- expect_failure(r, "float main() { return main() + 1; }");
- // Ensure that calls to undefined functions are not allowed (to prevent mutual recursion)
- expect_failure(r, "float foo(); float bar() { return foo(); } float foo() { return bar(); }");
- // returns are not allowed inside conditionals (or loops, which are effectively the same thing)
- expect_failure(r, "float main(float x, float y) { if (x < y) { return x; } return y; }");
- expect_failure(r, "float main(float x) { while (x > 1) { return x; } return 0; }");
- }
- DEF_TEST(SkSLInterpreterArrayBounds, r) {
- // Out of bounds array access at compile time
- expect_failure(r, "float main(float x[4]) { return x[-1]; }");
- expect_failure(r, "float2 main(float2 x[2]) { return x[2]; }");
- // Out of bounds array access at runtime is pinned, and we don't update any inout data
- float in[3] = { -1.0f, 1.0f, 2.0f };
- expect_run_failure(r, "void main(inout float data[3]) { data[int(data[0])] = 0; }", in);
- REPORTER_ASSERT(r, in[0] == -1.0f && in[1] == 1.0f && in[2] == 2.0f);
- in[0] = 3.0f;
- expect_run_failure(r, "void main(inout float data[3]) { data[int(data[0])] = 0; }", in);
- REPORTER_ASSERT(r, in[0] == 3.0f && in[1] == 1.0f && in[2] == 2.0f);
- }
- DEF_TEST(SkSLInterpreterFunctions, r) {
- const char* src =
- "float sqr(float x) { return x * x; }\n"
- "float sub(float x, float y) { return x - y; }\n"
- "float main(float x) { return sub(sqr(x), x); }\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";
- 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");
- REPORTER_ASSERT(r, sub);
- REPORTER_ASSERT(r, sqr);
- REPORTER_ASSERT(r, main);
- REPORTER_ASSERT(r, !tan);
- REPORTER_ASSERT(r, dot3);
- REPORTER_ASSERT(r, dot2);
- float out = 0.0f;
- float in = 3.0f;
- SkAssertResult(byteCode->run(main, &in, &out, 1, nullptr, 0));
- REPORTER_ASSERT(r, out = 6.0f);
- SkAssertResult(byteCode->run(dot3, &in, &out, 1, nullptr, 0));
- REPORTER_ASSERT(r, out = 9.0f);
- SkAssertResult(byteCode->run(dot2, &in, &out, 1, nullptr, 0));
- REPORTER_ASSERT(r, out = -1.0f);
- }
- DEF_TEST(SkSLInterpreterOutParams, r) {
- test(r,
- "void oneAlpha(inout half4 color) { color.a = 1; }"
- "void main(inout half4 color) { oneAlpha(color); }",
- 0, 0, 0, 0, 0, 0, 0, 1);
- test(r,
- "half2 tricky(half x, half y, inout half2 color, half z) {"
- " color.xy = color.yx;"
- " return half2(x + y, z);"
- "}"
- "void main(inout half4 color) {"
- " half2 t = tricky(1, 2, color.rb, 5);"
- " color.ga = t;"
- "}",
- 1, 2, 3, 4, 3, 3, 1, 5);
- }
- DEF_TEST(SkSLInterpreterMathFunctions, r) {
- float value, expected;
- value = 0.0f; expected = 0.0f;
- test(r, "float main(float x) { return sin(x); }", &value, 1, &expected);
- test(r, "float main(float x) { return tan(x); }", &value, 1, &expected);
- value = 0.0f; expected = 1.0f;
- test(r, "float main(float x) { return cos(x); }", &value, 1, &expected);
- value = 25.0f; expected = 5.0f;
- test(r, "float main(float x) { return sqrt(x); }", &value, 1, &expected);
- }
- DEF_TEST(SkSLInterpreterVoidFunction, r) {
- test(r,
- "half x; void foo() { x = 1.0; }"
- "void main(inout half4 color) { foo(); color.r = x; }",
- 0, 0, 0, 0, 1, 0, 0, 0);
- }
- DEF_TEST(SkSLInterpreterMix, r) {
- float value, expected;
- value = 0.5f; expected = 0.0f;
- test(r, "float main(float x) { return mix(-10, 10, x); }", &value, 1, &expected);
- value = 0.75f; expected = 5.0f;
- test(r, "float main(float x) { return mix(-10, 10, x); }", &value, 1, &expected);
- value = 2.0f; expected = 30.0f;
- test(r, "float main(float x) { return mix(-10, 10, x); }", &value, 1, &expected);
- float valueVectors[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f },
- expectedVector[] = { 3.0f, 4.0f, 5.0f, 6.0f };
- test(r, "float4 main(float4 x, float4 y) { return mix(x, y, 0.5); }", valueVectors, 4,
- expectedVector);
- }
- DEF_TEST(SkSLInterpreterCross, r) {
- float args[] = { 1.0f, 4.0f, -6.0f, -2.0f, 7.0f, -3.0f };
- SkPoint3 cross = SkPoint3::CrossProduct(SkPoint3::Make(args[0], args[1], args[2]),
- SkPoint3::Make(args[3], args[4], args[5]));
- float expected[] = { cross.fX, cross.fY, cross.fZ };
- test(r, "float3 main(float3 x, float3 y) { return cross(x, y); }", args, 3, expected);
- }
- DEF_TEST(SkSLInterpreterInverse, r) {
- {
- SkMatrix m;
- m.setRotate(30).postScale(1, 2);
- float args[4] = { m[0], m[3], m[1], m[4] };
- SkAssertResult(m.invert(&m));
- float expt[4] = { m[0], m[3], m[1], m[4] };
- test(r, "float2x2 main(float2x2 m) { return inverse(m); }", args, 4, expt, false);
- }
- {
- SkMatrix m;
- m.setRotate(30).postScale(1, 2).postTranslate(1, 2);
- float args[9] = { m[0], m[3], m[6], m[1], m[4], m[7], m[2], m[5], m[8] };
- SkAssertResult(m.invert(&m));
- float expt[9] = { m[0], m[3], m[6], m[1], m[4], m[7], m[2], m[5], m[8] };
- test(r, "float3x3 main(float3x3 m) { return inverse(m); }", args, 9, expt, false);
- }
- {
- float args[16], expt[16];
- SkMatrix44 m;
- // just some crazy thing that is invertible
- m.set4x4(1, 2, 3, 4, 1, 2, 0, 3, 1, 0, 1, 4, 1, 3, 2, 0);
- m.asColMajorf(args);
- SkAssertResult(m.invert(&m));
- m.asColMajorf(expt);
- test(r, "float4x4 main(float4x4 m) { return inverse(m); }", args, 16, expt, false);
- }
- }
- DEF_TEST(SkSLInterpreterDot, r) {
- float args[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f };
- float expected = args[0] * args[2] +
- args[1] * args[3];
- test(r, "float main(float2 x, float2 y) { return dot(x, y); }", args, 1, &expected);
- expected = args[0] * args[3] +
- args[1] * args[4] +
- args[2] * args[5];
- test(r, "float main(float3 x, float3 y) { return dot(x, y); }", args, 1, &expected);
- expected = args[0] * args[4] +
- args[1] * args[5] +
- args[2] * args[6] +
- args[3] * args[7];
- test(r, "float main(float4 x, float4 y) { return dot(x, y); }", args, 1, &expected);
- }
- 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(int /*unusedIndex*/, float* 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) {
- // ByteCode "booleans" are actually bit-masks
- *(int*) target = *fValue.as<skjson::BoolValue>() ? ~0 : 0;
- } 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(int /*unusedIndex*/, float* target) override {
- memcpy(target, fData, fSize);
- }
- void write(int /*unusedIndex*/, float* 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;"
- " return root.child.value2 ? root.value1 * root.child.value3 : -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();
- float out;
- SkAssertResult(byteCode->run(main, nullptr, &out, 1, nullptr, 0));
- REPORTER_ASSERT(r, out == 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();
- SkAssertResult(byteCode->run(main, nullptr, nullptr, 1, nullptr, 0));
- 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());
- }
- }
- class FunctionExternalValue : public SkSL::ExternalValue {
- public:
- FunctionExternalValue(const char* name, float(*function)(float), SkSL::Compiler& compiler)
- : INHERITED(name, *compiler.context().fFloat_Type)
- , fCompiler(compiler)
- , fFunction(function) {}
- bool canCall() const override {
- return true;
- }
- int callParameterCount() const override {
- return 1;
- }
- void getCallParameterTypes(const SkSL::Type** outTypes) const override {
- outTypes[0] = fCompiler.context().fFloat_Type.get();
- }
- void call(int /*unusedIndex*/, float* arguments, float* outReturn) override {
- outReturn[0] = fFunction(arguments[0]);
- }
- private:
- SkSL::Compiler& fCompiler;
- float (*fFunction)(float);
- typedef SkSL::ExternalValue INHERITED;
- };
- DEF_TEST(SkSLInterpreterExternalValuesCall, r) {
- SkSL::Compiler compiler;
- SkSL::Program::Settings settings;
- const char* src = "float main() {"
- " return external(25);"
- "}";
- compiler.registerExternalValue((SkSL::ExternalValue*) compiler.takeOwnership(
- std::unique_ptr<SkSL::Symbol>(new FunctionExternalValue("external",
- [] (float x) {
- return (float) sqrt(x);
- },
- compiler))));
- 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();
- float out;
- SkAssertResult(byteCode->run(main, nullptr, &out, 1, nullptr, 0));
- REPORTER_ASSERT(r, out == 5.0);
- } else {
- printf("%s\n%s", src, compiler.errorText().c_str());
- }
- }
- class VectorFunctionExternalValue : public SkSL::ExternalValue {
- public:
- VectorFunctionExternalValue(const char* name, void(*function)(float[4], float[4]),
- SkSL::Compiler& compiler)
- : INHERITED(name, *compiler.context().fFloat4_Type)
- , fCompiler(compiler)
- , fFunction(function) {}
- bool canCall() const override {
- return true;
- }
- int callParameterCount() const override {
- return 1;
- }
- void getCallParameterTypes(const SkSL::Type** outTypes) const override {
- outTypes[0] = fCompiler.context().fFloat4_Type.get();
- }
- void call(int /*unusedIndex*/, float* arguments, float* outReturn) override {
- fFunction(arguments, outReturn);
- }
- private:
- SkSL::Compiler& fCompiler;
- void (*fFunction)(float[4], float[4]);
- typedef SkSL::ExternalValue INHERITED;
- };
- DEF_TEST(SkSLInterpreterExternalValuesVectorCall, r) {
- SkSL::Compiler compiler;
- SkSL::Program::Settings settings;
- const char* src = "float4 main() {"
- " return external(float4(1, 4, 9, 16));"
- "}";
- compiler.registerExternalValue((SkSL::ExternalValue*) compiler.takeOwnership(
- std::unique_ptr<SkSL::Symbol>(new VectorFunctionExternalValue("external",
- [] (float in[4], float out[4]) {
- out[0] = sqrt(in[0]);
- out[1] = sqrt(in[1]);
- out[2] = sqrt(in[2]);
- out[3] = sqrt(in[3]);
- },
- compiler))));
- 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();
- float out[4];
- SkAssertResult(byteCode->run(main, nullptr, out, 1, nullptr, 0));
- REPORTER_ASSERT(r, out[0] == 1.0);
- REPORTER_ASSERT(r, out[1] == 2.0);
- REPORTER_ASSERT(r, out[2] == 3.0);
- REPORTER_ASSERT(r, out[3] == 4.0);
- } else {
- printf("%s\n%s", src, compiler.errorText().c_str());
- }
- }
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