| /* |
| * 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/SkColor.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkM44.h" |
| #include "include/core/SkMatrix.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSpan.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkTypes.h" |
| #include "include/private/SkFloatingPoint.h" |
| #include "include/private/SkSLProgramKind.h" |
| #include "include/private/SkTemplates.h" |
| #include "src/core/SkVM.h" |
| #include "src/sksl/SkSLBuiltinTypes.h" |
| #include "src/sksl/SkSLCompiler.h" |
| #include "src/sksl/SkSLContext.h" |
| #include "src/sksl/SkSLUtil.h" |
| #include "src/sksl/codegen/SkSLVMCodeGenerator.h" |
| #include "src/sksl/ir/SkSLExternalFunction.h" |
| #include "src/sksl/ir/SkSLProgram.h" |
| #include "src/sksl/tracing/SkVMDebugTrace.h" |
| #include "tests/Test.h" |
| |
| #include <math.h> |
| #include <stdio.h> |
| #include <memory> |
| #include <string> |
| #include <string_view> |
| #include <vector> |
| |
| namespace SkSL { class FunctionDefinition; } |
| namespace SkSL { class Type; } |
| |
| struct ProgramBuilder { |
| ProgramBuilder(skiatest::Reporter* r, const char* src) |
| : fCompiler(&fCaps) { |
| SkSL::Program::Settings settings; |
| // The SkSL inliner is well tested in other contexts. Here, we disable inlining entirely, |
| // to stress-test the VM generator's handling of function calls with varying signatures. |
| settings.fInlineThreshold = 0; |
| |
| fProgram = fCompiler.convertProgram(SkSL::ProgramKind::kGeneric, std::string(src), |
| settings); |
| if (!fProgram) { |
| ERRORF(r, "Program failed to compile:\n%s\n%s\n", src, fCompiler.errorText().c_str()); |
| } |
| } |
| |
| explicit operator bool() const { return fProgram != nullptr; } |
| SkSL::Program& operator*() { return *fProgram; } |
| |
| SkSL::ShaderCaps fCaps; |
| SkSL::Compiler fCompiler; |
| std::unique_ptr<SkSL::Program> fProgram; |
| }; |
| |
| static void verify_values(skiatest::Reporter* r, |
| const char* src, |
| const float* actual, |
| const float* expected, |
| int N, |
| bool exactCompare) { |
| auto exact_equiv = [](float x, float y) { |
| return x == y |
| || (isnan(x) && isnan(y)); |
| }; |
| |
| bool valid = true; |
| for (int i = 0; i < N; ++i) { |
| if (exactCompare && !exact_equiv(actual[i], expected[i])) { |
| valid = false; |
| } |
| if (!exactCompare && !SkScalarNearlyEqual(actual[i], expected[i])) { |
| valid = false; |
| } |
| } |
| |
| if (!valid) { |
| printf("for program: %s\n", src); |
| printf(" expected ("); |
| const char* separator = ""; |
| for (int i = 0; i < N; ++i) { |
| printf("%s%f", separator, expected[i]); |
| separator = ", "; |
| } |
| printf("), but received ("); |
| separator = ""; |
| for (int i = 0; i < N; ++i) { |
| printf("%s%f", separator, actual[i]); |
| separator = ", "; |
| } |
| printf(")\n"); |
| } |
| REPORTER_ASSERT(r, valid); |
| } |
| |
| void test(skiatest::Reporter* r, const char* src, float* in, const float* expected, |
| bool exactCompare = true) { |
| ProgramBuilder program(r, src); |
| if (!program) { return; } |
| |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| REPORTER_ASSERT(r, main); |
| |
| skvm::Builder b; |
| SkSL::SkVMSignature sig; |
| SkSL::ProgramToSkVM(*program, *main, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}, &sig); |
| skvm::Program p = b.done(); |
| |
| REPORTER_ASSERT(r, p.nargs() == (int)(sig.fParameterSlots + sig.fReturnSlots)); |
| |
| auto out = std::make_unique<float[]>(sig.fReturnSlots); |
| auto args = std::make_unique<void*[]>(sig.fParameterSlots + sig.fReturnSlots); |
| for (size_t i = 0; i < sig.fParameterSlots; ++i) { |
| args[i] = in + i; |
| } |
| for (size_t i = 0; i < sig.fReturnSlots; ++i) { |
| args[sig.fParameterSlots + i] = out.get() + i; |
| } |
| |
| // TODO: Test with and without JIT? |
| p.eval(1, args.get()); |
| |
| verify_values(r, src, out.get(), expected, sig.fReturnSlots, exactCompare); |
| } |
| |
| void test(skiatest::Reporter* r, const char* src, |
| float inR, float inG, float inB, float inA, |
| float exR, float exG, float exB, float exA) { |
| ProgramBuilder program(r, src); |
| if (!program) { return; } |
| |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| REPORTER_ASSERT(r, main); |
| |
| skvm::Builder b; |
| SkSL::ProgramToSkVM(*program, *main, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| |
| // TODO: Test with and without JIT? |
| p.eval(1, &inR, &inG, &inB, &inA); |
| |
| float actual[4] = { inR, inG, inB, inA }; |
| float expected[4] = { exR, exG, exB, exA }; |
| |
| verify_values(r, src, actual, expected, 4, /*exactCompare=*/true); |
| |
| // TODO: vec_test with skvm |
| } |
| |
| 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) { color.r = half(int(color.r) + int(color.g)); }", 1, 3, 0, 0, |
| 4, 3, 0, 0); |
| } |
| |
| 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) { color.r = half(int(color.r) - int(color.g)); }", 3, 1, 0, 0, |
| 2, 1, 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) { color.r = half(int(color.r) * int(color.g)); }", 3, -2, 0, 0, |
| -6, -2, 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) { color.r = half(int(color.r) / int(color.g)); }", 8, -2, 0, 0, |
| -4, -2, 0, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterAnd, r) { |
| test(r, "void main(inout half4 color) { if (color.r > color.g && color.g > color.b) " |
| "color = half4(color.a); }", 2, 1, 0, 3, 3, 3, 3, 3); |
| test(r, "void main(inout half4 color) { if (color.r > color.g && color.g > color.b) " |
| "color = half4(color.a); }", 1, 1, 0, 3, 1, 1, 0, 3); |
| test(r, "void main(inout half4 color) { if (color.r > color.g && color.g > color.b) " |
| "color = half4(color.a); }", 2, 1, 1, 3, 2, 1, 1, 3); |
| test(r, "half global; bool update() { global = 123; return true; }" |
| "void main(inout half4 color) { global = 0; if (color.r > color.g && update()) " |
| "color = half4(color.a); color.a = global; }", 2, 1, 1, 3, 3, 3, 3, 123); |
| test(r, "half global; bool update() { global = 123; return true; }" |
| "void main(inout half4 color) { global = 0; if (color.r > color.g && update()) " |
| "color = half4(color.a); color.a = global; }", 1, 1, 1, 3, 1, 1, 1, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterOr, r) { |
| test(r, "void main(inout half4 color) { if (color.r > color.g || color.g > color.b) " |
| "color = half4(color.a); }", 2, 1, 0, 3, 3, 3, 3, 3); |
| test(r, "void main(inout half4 color) { if (color.r > color.g || color.g > color.b) " |
| "color = half4(color.a); }", 1, 1, 0, 3, 3, 3, 3, 3); |
| test(r, "void main(inout half4 color) { if (color.r > color.g || color.g > color.b) " |
| "color = half4(color.a); }", 1, 1, 1, 3, 1, 1, 1, 3); |
| test(r, "half global; bool update() { global = 123; return true; }" |
| "void main(inout half4 color) { global = 0; if (color.r > color.g || update()) " |
| "color = half4(color.a); color.a = global; }", 1, 1, 1, 3, 3, 3, 3, 123); |
| test(r, "half global; bool update() { global = 123; return true; }" |
| "void main(inout half4 color) { global = 0; if (color.r > color.g || update()) " |
| "color = half4(color.a); color.a = global; }", 2, 1, 1, 3, 3, 3, 3, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterMatrix, r) { |
| float in[16]; |
| float expected[16]; |
| |
| // Constructing matrix from scalar produces a diagonal matrix |
| in[0] = 2.0f; |
| expected[0] = 4.0f; |
| test(r, "float main(float x) { float4x4 m = float4x4(x); return m[1][1] + m[1][2] + m[2][2]; }", |
| in, expected); |
| |
| // Constructing from a different-sized matrix fills the remaining space with the identity matrix |
| expected[0] = 3.0f; |
| test(r, "float main(float x) {" |
| "float2x2 m = float2x2(x);" |
| "float4x4 m2 = float4x4(m);" |
| "return m2[0][0] + m2[3][3]; }", |
| in, 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, 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, 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, expected); |
| for (int i = 0; i < 16; ++i) { expected[i] = (float)(i + 3); } |
| test(r, "float4x4 main(float4x4 m) { return m + 3.0; }", in, expected); |
| test(r, "float4x4 main(float4x4 m) { return 3.0 + m; }", in, expected); |
| |
| // M-M, M-S, S-M |
| for (int i = 0; i < 4; ++i) { expected[i] = 4.0f; } |
| test(r, "float2x2 main(float2x2 m1, float2x2 m2) { return m2 - m1; }", in, expected); |
| for (int i = 0; i < 16; ++i) { expected[i] = (float)(i - 3); } |
| test(r, "float4x4 main(float4x4 m) { return m - 3.0; }", in, expected); |
| for (int i = 0; i < 16; ++i) { expected[i] = (float)(3 - i); } |
| test(r, "float4x4 main(float4x4 m) { return 3.0 - m; }", in, 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, expected); |
| test(r, "float4x4 main(float4x4 m) { return 3.0 * m; }", in, 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, 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, expected); |
| |
| // Matrix negation |
| for (int i = 0; i < 16; ++i) { expected[i] = (float)(-i); } |
| test(r, "float4x4 main(float4x4 m) { return -m; }", in, expected); |
| |
| // M*V, V*M |
| for (int i = 0; i < 3; ++i) { |
| expected[i] = 9.0f*i + 10.0f*(i+3) + 11.0f*(i+6); |
| } |
| test(r, "float3 main(float3x3 m, float3 v) { return m * v; }", in, expected); |
| for (int i = 0; i < 3; ++i) { |
| expected[i] = 9.0f*(3*i) + 10.0f*(3*i+1) + 11.0f*(3*i+2); |
| } |
| test(r, "float3 main(float3x3 m, float3 v) { return v * m; }", in, expected); |
| |
| // M*M |
| { |
| SkM44 m = SkM44::ColMajor(in); |
| SkM44 m2; |
| float in2[16]; |
| for (int i = 0; i < 16; ++i) { |
| in2[i] = (i + 4) % 16; |
| } |
| m2 = SkM44::ColMajor(in2); |
| 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, (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; |
| 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, (float*)expected); |
| test(r, "float2 main(int2 x) { return float2(x); }", (float*)input, (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, (float*)expected); |
| test(r, "int2 main(float2 x) { return int2(x); }", (float*)input, (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, (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; }", 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(SkSLInterpreterFor, r) { |
| test(r, "void main(inout half4 color) { for (int i = 1; i <= 10; ++i) color.r += half(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 = 1; j <= 10; ++j)" |
| " if (j >= i) { color.r += half(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 < 20 ; ++j) {" |
| " if (i == j) continue;" |
| " if (j > 10) break;" |
| " color.r += half(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 = half3(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 = half(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, &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, expected2); |
| } |
| |
| DEF_TEST(SkSLInterpreterFieldAccessComplex, r) { |
| const char* src = R"( |
| struct P { float x; float y; }; |
| P make_point() { P p; p.x = 7; p.y = 3; return p; } |
| float main() { return make_point().y; } |
| )"; |
| |
| float expected = 3.0f; |
| test(r, src, /*in=*/nullptr, &expected); |
| } |
| |
| DEF_TEST(SkSLInterpreterIndexComplex, r) { |
| const char* src = R"( |
| float2x2 make_mtx() { return float2x2(1, 2, 3, 4); } |
| float main() { return make_mtx()[1][0]; } |
| )"; |
| |
| float expected = 3.0f; |
| test(r, src, /*in=*/nullptr, &expected); |
| } |
| |
| 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 |
| "int median(int a[15]) { return a[7]; }\n" |
| |
| "float tempFloats[8];\n" |
| "float sums(float a[8]) {\n" |
| " tempFloats[0] = a[0];\n" |
| " for (int i = 1; i < 8; ++i) { tempFloats[i] = tempFloats[i - 1] + a[i]; }\n" |
| " return tempFloats[7];\n" |
| "}\n" |
| |
| // Uniforms, array-of-structs |
| "uniform Rect gRects[4];\n" |
| "Rect get_rect_2() { return gRects[2]; }\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 < 4; ++i) {\n" |
| " if (i >= mr.numRects) { break; }\n" |
| " mr.rects[i].r = gRects[i];\n" |
| " float b = float(mr.rects[i].r.p1.y);\n" |
| " mr.rects[i].color = float4(b, b, b, b);\n" |
| " }\n" |
| "}\n"; |
| |
| ProgramBuilder program(r, src); |
| |
| auto rect_height = SkSL::Program_GetFunction(*program, "rect_height"), |
| make_blue_rect = SkSL::Program_GetFunction(*program, "make_blue_rect"), |
| median = SkSL::Program_GetFunction(*program, "median"), |
| sums = SkSL::Program_GetFunction(*program, "sums"), |
| get_rect_2 = SkSL::Program_GetFunction(*program, "get_rect_2"), |
| fill_rects = SkSL::Program_GetFunction(*program, "fill_rects"); |
| |
| SkIRect gRects[4] = { { 1,2,3,4 }, { 5,6,7,8 }, { 9,10,11,12 }, { 13,14,15,16 } }; |
| |
| auto build = [&](const SkSL::FunctionDefinition* fn) { |
| skvm::Builder b; |
| skvm::UPtr uniformPtr = b.uniform(); |
| skvm::Val uniforms[16]; |
| for (int i = 0; i < 16; ++i) { |
| uniforms[i] = b.uniform32(uniformPtr, i * sizeof(int)).id; |
| } |
| SkSL::ProgramToSkVM(*program, *fn, &b, /*debugTrace=*/nullptr, SkSpan(uniforms)); |
| return b.done(); |
| }; |
| |
| struct Args { |
| Args(void* uniformData) { fArgs.push_back(uniformData); } |
| void add(void* base, int n) { |
| for (int i = 0; i < n; ++i) { |
| fArgs.push_back(SkTAddOffset<void>(base, i * sizeof(float))); |
| } |
| } |
| std::vector<void*> fArgs; |
| }; |
| |
| { |
| SkIRect in = SkIRect::MakeXYWH(10, 10, 20, 30); |
| int out = 0; |
| skvm::Program p = build(rect_height); |
| Args args(gRects); |
| args.add(&in, 4); |
| args.add(&out, 1); |
| p.eval(1, args.fArgs.data()); |
| REPORTER_ASSERT(r, out == 30); |
| } |
| |
| { |
| int in[2] = { 15, 25 }; |
| RectAndColor out; |
| skvm::Program p = build(make_blue_rect); |
| Args args(gRects); |
| args.add(&in, 2); |
| args.add(&out, 8); |
| p.eval(1, args.fArgs.data()); |
| 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; |
| skvm::Program p = build(median); |
| Args args(gRects); |
| args.add(&in, 15); |
| args.add(&out, 1); |
| p.eval(1, args.fArgs.data()); |
| REPORTER_ASSERT(r, out == 8); |
| } |
| |
| { |
| float in[8] = { 1, 2, 3, 4, 5, 6, 7, 8 }; |
| float out = 0; |
| skvm::Program p = build(sums); |
| Args args(gRects); |
| args.add(&in, 8); |
| args.add(&out, 1); |
| p.eval(1, args.fArgs.data()); |
| REPORTER_ASSERT(r, out == static_cast<float>((7 + 1) * (7 + 2) / 2)); |
| } |
| |
| { |
| SkIRect out = SkIRect::MakeEmpty(); |
| skvm::Program p = build(get_rect_2); |
| Args args(gRects); |
| args.add(&out, 4); |
| p.eval(1, args.fArgs.data()); |
| REPORTER_ASSERT(r, out == gRects[2]); |
| } |
| |
| { |
| ManyRects in; |
| memset(&in, 0, sizeof(in)); |
| in.fNumRects = 2; |
| skvm::Program p = build(fill_rects); |
| Args args(gRects); |
| args.add(&in, 33); |
| p.eval(1, args.fArgs.data()); |
| 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::ShaderCaps caps; |
| SkSL::Compiler compiler(&caps); |
| SkSL::Program::Settings settings; |
| auto program = compiler.convertProgram(SkSL::ProgramKind::kGeneric, |
| std::string(src), settings); |
| REPORTER_ASSERT(r, !program); |
| } |
| |
| DEF_TEST(SkSLInterpreterRestrictLoops, r) { |
| // while and do-while loops are not allowed |
| expect_failure(r, "void main(inout float x) { while (x < 1) { x++; } }"); |
| expect_failure(r, "void main(inout float x) { do { x++; } while (x < 1); }"); |
| } |
| |
| DEF_TEST(SkSLInterpreterReturnThenCall, r) { |
| // Test that early returns disable execution in subsequently called functions |
| const char* src = R"( |
| float y; |
| void inc () { ++y; } |
| void maybe_inc() { if (y < 0) return; inc(); } |
| void main(inout float x) { y = x; maybe_inc(); x = y; } |
| )"; |
| |
| ProgramBuilder program(r, src); |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| REPORTER_ASSERT(r, main); |
| |
| skvm::Builder b; |
| SkSL::ProgramToSkVM(*program, *main, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| |
| float xs[] = { -2.0f, 0.0f, 3.0f, -1.0f }; |
| p.eval(4, xs); |
| |
| REPORTER_ASSERT(r, xs[0] == -2.0f); |
| REPORTER_ASSERT(r, xs[1] == 1.0f); |
| REPORTER_ASSERT(r, xs[2] == 4.0f); |
| REPORTER_ASSERT(r, xs[3] == -1.0f); |
| } |
| |
| DEF_TEST(SkSLInterpreterEarlyReturn, r) { |
| // Test early returns with divergent control flow |
| const char* src = "float main(float x, float y) { if (x < y) { return x; } return y; }"; |
| |
| ProgramBuilder program(r, src); |
| |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| REPORTER_ASSERT(r, main); |
| |
| skvm::Builder b; |
| SkSL::ProgramToSkVM(*program, *main, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| |
| float xs[] = { 1.0f, 3.0f }, |
| ys[] = { 2.0f, 2.0f }; |
| float rets[2]; |
| p.eval(2, xs, ys, rets); |
| |
| REPORTER_ASSERT(r, rets[0] == 1.0f); |
| REPORTER_ASSERT(r, rets[1] == 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"; |
| |
| ProgramBuilder program(r, src); |
| |
| auto sub = SkSL::Program_GetFunction(*program, "sub"); |
| auto sqr = SkSL::Program_GetFunction(*program, "sqr"); |
| auto main = SkSL::Program_GetFunction(*program, "main"); |
| auto tan = SkSL::Program_GetFunction(*program, "tan"); |
| auto dot3 = SkSL::Program_GetFunction(*program, "dot3_test"); |
| auto dot2 = SkSL::Program_GetFunction(*program, "dot2_test"); |
| |
| REPORTER_ASSERT(r, sub); |
| REPORTER_ASSERT(r, sqr); |
| REPORTER_ASSERT(r, main); |
| REPORTER_ASSERT(r, !tan); // Getting a non-existent function should return nullptr |
| REPORTER_ASSERT(r, dot3); |
| REPORTER_ASSERT(r, dot2); |
| |
| auto test_fn = [&](const SkSL::FunctionDefinition* fn, float in, float expected) { |
| skvm::Builder b; |
| SkSL::ProgramToSkVM(*program, *fn, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| |
| float out = 0.0f; |
| p.eval(1, &in, &out); |
| REPORTER_ASSERT(r, out == expected); |
| }; |
| |
| test_fn(main, 3.0f, 6.0f); |
| test_fn(dot3, 3.0f, 9.0f); |
| test_fn(dot2, 3.0f, -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(SkSLInterpreterSwizzleSingleLvalue, r) { |
| test(r, |
| "void main(inout half4 color) { color.xywz = half4(1,2,3,4); }", |
| 0, 0, 0, 0, 1, 2, 4, 3); |
| } |
| |
| DEF_TEST(SkSLInterpreterSwizzleDoubleLvalue, r) { |
| test(r, |
| "void main(inout half4 color) { color.xywz.yxzw = half4(1,2,3,4); }", |
| 0, 0, 0, 0, 2, 1, 4, 3); |
| } |
| |
| DEF_TEST(SkSLInterpreterSwizzleIndexLvalue, r) { |
| const char* src = R"( |
| void main(inout half4 color) { |
| for (int i = 0; i < 4; i++) { |
| color.wzyx[i] += half(i); |
| } |
| } |
| )"; |
| test(r, src, 0, 0, 0, 0, 3, 2, 1, 0); |
| } |
| |
| DEF_TEST(SkSLInterpreterMathFunctions, r) { |
| float value[4], expected[4]; |
| |
| value[0] = 0.0f; expected[0] = 0.0f; |
| test(r, "float main(float x) { return sin(x); }", value, expected); |
| test(r, "float main(float x) { return tan(x); }", value, expected); |
| |
| value[0] = 0.0f; expected[0] = 1.0f; |
| test(r, "float main(float x) { return cos(x); }", value, expected); |
| |
| value[0] = 25.0f; expected[0] = 5.0f; |
| test(r, "float main(float x) { return sqrt(x); }", value, expected); |
| |
| value[0] = 90.0f; expected[0] = sk_float_degrees_to_radians(value[0]); |
| test(r, "float main(float x) { return radians(x); }", value, expected); |
| |
| value[0] = 1.0f; value[1] = -1.0f; |
| expected[0] = 1.0f / SK_FloatSqrt2; expected[1] = -1.0f / SK_FloatSqrt2; |
| test(r, "float2 main(float2 x) { return normalize(x); }", value, 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, &expected); |
| value = 0.75f; expected = 5.0f; |
| test(r, "float main(float x) { return mix(-10, 10, x); }", &value, &expected); |
| value = 2.0f; expected = 30.0f; |
| test(r, "float main(float x) { return mix(-10, 10, x); }", &value, &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, |
| expectedVector); |
| } |
| |
| DEF_TEST(SkSLInterpreterCross, r) { |
| float args[] = { 1.0f, 4.0f, -6.0f, -2.0f, 7.0f, -3.0f }; |
| SkV3 cross = SkV3::Cross({args[0], args[1], args[2]}, |
| {args[3], args[4], args[5]}); |
| float expected[] = { cross.x, cross.y, cross.z }; |
| test(r, "float3 main(float3 x, float3 y) { return cross(x, y); }", args, 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, 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, expt, false); |
| } |
| { |
| float args[16], expt[16]; |
| // just some crazy thing that is invertible |
| SkM44 m = {1, 2, 3, 4, 1, 2, 0, 3, 1, 0, 1, 4, 1, 3, 2, 0}; |
| m.getColMajor(args); |
| SkAssertResult(m.invert(&m)); |
| m.getColMajor(expt); |
| test(r, "float4x4 main(float4x4 m) { return inverse(m); }", args, 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, &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, &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, &expected); |
| } |
| |
| class ExternalSqrt : public SkSL::ExternalFunction { |
| public: |
| ExternalSqrt(const char* name, SkSL::Compiler& compiler) |
| : INHERITED(name, *compiler.context().fTypes.fFloat) |
| , fCompiler(compiler) {} |
| |
| int callParameterCount() const override { return 1; } |
| |
| void getCallParameterTypes(const SkSL::Type** outTypes) const override { |
| outTypes[0] = fCompiler.context().fTypes.fFloat.get(); |
| } |
| |
| void call(skvm::Builder* b, |
| skvm::F32* arguments, |
| skvm::F32* outResult, |
| skvm::I32 mask) const override { |
| outResult[0] = sqrt(arguments[0]); |
| } |
| |
| private: |
| SkSL::Compiler& fCompiler; |
| using INHERITED = SkSL::ExternalFunction; |
| }; |
| |
| DEF_TEST(SkSLInterpreterExternalFunction, r) { |
| SkSL::ShaderCaps caps; |
| SkSL::Compiler compiler(&caps); |
| SkSL::Program::Settings settings; |
| const char* src = "float main() { return externalSqrt(25); }"; |
| std::vector<std::unique_ptr<SkSL::ExternalFunction>> externalFunctions; |
| externalFunctions.push_back(std::make_unique<ExternalSqrt>("externalSqrt", compiler)); |
| settings.fExternalFunctions = &externalFunctions; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::ProgramKind::kGeneric, std::string(src), settings); |
| REPORTER_ASSERT(r, program); |
| |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| |
| skvm::Builder b; |
| SkSL::ProgramToSkVM(*program, *main, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| |
| float out; |
| p.eval(1, &out); |
| REPORTER_ASSERT(r, out == 5.0); |
| } |
| |
| class ExternalTable : public SkSL::ExternalFunction { |
| public: |
| ExternalTable(const char* name, SkSL::Compiler& compiler, skvm::Uniforms* uniforms) |
| : INHERITED(name, *compiler.context().fTypes.fFloat) |
| , fCompiler(compiler) |
| , fTable{1, 2, 4, 8} { |
| fAddr = uniforms->pushPtr(fTable); |
| } |
| |
| int callParameterCount() const override { return 1; } |
| |
| void getCallParameterTypes(const SkSL::Type** outTypes) const override { |
| outTypes[0] = fCompiler.context().fTypes.fFloat.get(); |
| } |
| |
| void call(skvm::Builder* b, |
| skvm::F32* arguments, |
| skvm::F32* outResult, |
| skvm::I32 mask) const override { |
| skvm::I32 index = skvm::trunc(arguments[0] * 4); |
| index = max(0, min(index, 3)); |
| outResult[0] = b->gatherF(fAddr, index); |
| } |
| |
| private: |
| SkSL::Compiler& fCompiler; |
| skvm::Uniform fAddr; |
| float fTable[4]; |
| using INHERITED = SkSL::ExternalFunction; |
| }; |
| |
| DEF_TEST(SkSLInterpreterExternalTable, r) { |
| SkSL::ShaderCaps caps; |
| SkSL::Compiler compiler(&caps); |
| SkSL::Program::Settings settings; |
| const char* src = |
| "float4 main() { return float4(table(2), table(-1), table(0.4), table(0.6)); }"; |
| std::vector<std::unique_ptr<SkSL::ExternalFunction>> externalFunctions; |
| |
| skvm::Builder b; |
| skvm::Uniforms u(b.uniform(), 0); |
| |
| externalFunctions.push_back(std::make_unique<ExternalTable>("table", compiler, &u)); |
| settings.fExternalFunctions = &externalFunctions; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram( |
| SkSL::ProgramKind::kGeneric, std::string(src), settings); |
| REPORTER_ASSERT(r, program); |
| |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| |
| SkSL::ProgramToSkVM(*program, *main, &b, /*debugTrace=*/nullptr, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| |
| float out[4]; |
| p.eval(1, u.buf.data(), &out[0], &out[1], &out[2], &out[3]); |
| REPORTER_ASSERT(r, out[0] == 8.0); |
| REPORTER_ASSERT(r, out[1] == 1.0); |
| REPORTER_ASSERT(r, out[2] == 2.0); |
| REPORTER_ASSERT(r, out[3] == 4.0); |
| } |
| |
| DEF_TEST(SkSLInterpreterTrace, r) { |
| SkSL::ShaderCaps caps; |
| SkSL::Compiler compiler(&caps); |
| SkSL::Program::Settings settings; |
| settings.fOptimize = false; |
| |
| constexpr const char kSrc[] = |
| R"(bool less_than(float left, int right) { |
| bool comparison = left < float(right); |
| if (comparison) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| int main() { |
| float2 a[2]; |
| for (float loop = 10; loop <= 30; loop += 10) { |
| half4 v = half4(loop, loop+1, loop+2, loop+3); |
| float2x2 m = float2x2(v); |
| a[0] = float2(loop, loop+1); a[1] = float2(loop+2, loop+3); |
| bool function_result = less_than(loop, 20); |
| } |
| return 40; |
| } |
| )"; |
| skvm::Builder b; |
| std::unique_ptr<SkSL::Program> program = compiler.convertProgram(SkSL::ProgramKind::kGeneric, |
| std::string(kSrc), settings); |
| REPORTER_ASSERT(r, program); |
| |
| const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main"); |
| SkSL::SkVMDebugTrace debugTrace; |
| SkSL::ProgramToSkVM(*program, *main, &b, &debugTrace, /*uniforms=*/{}); |
| skvm::Program p = b.done(); |
| REPORTER_ASSERT(r, p.nargs() == 1); |
| |
| int result; |
| p.eval(1, &result); |
| |
| SkDynamicMemoryWStream streamDump; |
| debugTrace.dump(&streamDump); |
| |
| sk_sp<SkData> dataDump = streamDump.detachAsData(); |
| std::string_view trace{static_cast<const char*>(dataDump->data()), dataDump->size()}; |
| |
| REPORTER_ASSERT(r, result == 40); |
| REPORTER_ASSERT(r, trace == |
| R"($0 = [main].result (int, L10) |
| $1 = a[0] (float2 : slot 1/2, L11) |
| $2 = a[0] (float2 : slot 2/2, L11) |
| $3 = a[1] (float2 : slot 1/2, L11) |
| $4 = a[1] (float2 : slot 2/2, L11) |
| $5 = loop (float, L12) |
| $6 = v (float4 : slot 1/4, L13) |
| $7 = v (float4 : slot 2/4, L13) |
| $8 = v (float4 : slot 3/4, L13) |
| $9 = v (float4 : slot 4/4, L13) |
| $10 = m (float2x2 : slot 1/4, L14) |
| $11 = m (float2x2 : slot 2/4, L14) |
| $12 = m (float2x2 : slot 3/4, L14) |
| $13 = m (float2x2 : slot 4/4, L14) |
| $14 = function_result (bool, L16) |
| $15 = [less_than].result (bool, L1) |
| $16 = left (float, L1) |
| $17 = right (int, L1) |
| $18 = comparison (bool, L2) |
| F0 = int main() |
| F1 = bool less_than(float left, int right) |
| |
| enter int main() |
| scope +1 |
| line 11 |
| a[0].x = 0 |
| a[0].y = 0 |
| a[1].x = 0 |
| a[1].y = 0 |
| line 12 |
| scope +1 |
| loop = 10 |
| scope +1 |
| line 13 |
| v.x = 10 |
| v.y = 11 |
| v.z = 12 |
| v.w = 13 |
| line 14 |
| m[0][0] = 10 |
| m[0][1] = 11 |
| m[1][0] = 12 |
| m[1][1] = 13 |
| line 15 |
| a[0].x = 10 |
| a[0].y = 11 |
| line 15 |
| a[1].x = 12 |
| a[1].y = 13 |
| line 16 |
| enter bool less_than(float left, int right) |
| left = 10 |
| right = 20 |
| scope +1 |
| line 2 |
| comparison = true |
| line 3 |
| scope +1 |
| line 4 |
| [less_than].result = true |
| scope -1 |
| scope -1 |
| exit bool less_than(float left, int right) |
| function_result = true |
| scope -1 |
| line 12 |
| loop = 20 |
| scope +1 |
| line 13 |
| v.x = 20 |
| v.y = 21 |
| v.z = 22 |
| v.w = 23 |
| line 14 |
| m[0][0] = 20 |
| m[0][1] = 21 |
| m[1][0] = 22 |
| m[1][1] = 23 |
| line 15 |
| a[0].x = 20 |
| a[0].y = 21 |
| line 15 |
| a[1].x = 22 |
| a[1].y = 23 |
| line 16 |
| enter bool less_than(float left, int right) |
| left = 20 |
| right = 20 |
| scope +1 |
| line 2 |
| comparison = false |
| line 3 |
| scope +1 |
| line 6 |
| [less_than].result = false |
| scope -1 |
| scope -1 |
| exit bool less_than(float left, int right) |
| function_result = false |
| scope -1 |
| line 12 |
| loop = 30 |
| scope +1 |
| line 13 |
| v.x = 30 |
| v.y = 31 |
| v.z = 32 |
| v.w = 33 |
| line 14 |
| m[0][0] = 30 |
| m[0][1] = 31 |
| m[1][0] = 32 |
| m[1][1] = 33 |
| line 15 |
| a[0].x = 30 |
| a[0].y = 31 |
| line 15 |
| a[1].x = 32 |
| a[1].y = 33 |
| line 16 |
| enter bool less_than(float left, int right) |
| left = 30 |
| right = 20 |
| scope +1 |
| line 2 |
| comparison = false |
| line 3 |
| scope +1 |
| line 6 |
| [less_than].result = false |
| scope -1 |
| scope -1 |
| exit bool less_than(float left, int right) |
| function_result = false |
| scope -1 |
| line 12 |
| scope -1 |
| line 18 |
| [main].result = 40 |
| scope -1 |
| exit int main() |
| )", "Trace output does not match expectation:\n%.*s\n", (int)trace.size(), trace.data()); |
| } |
