d4713ad528
I ran into a snag while trying to hook up SkRuntimeEffect with debug tracing. Runtime effects only have access to a skvm::Builder, and are never exposed to the full skvm::Program. SkVMBlitter is responsible for assembling the full skvm::Program, but is oblivious to runtime effects and nested skvm sub-programs. Additionally, multiple runtime effects can (and often do) coexist within a paint. This CL changes how debug traces are enabled. skvm::Program no longer has a `attachDebugTrace` method. Instead, this method lives on the skvm::Builder. Calling `attachDebugTrace` generates a "trace-hook ID" (which is actually an index into a vector of TraceHook pointers). Every trace opcode now includes this trace hook ID. When the Builder assembles a final Program, it copies the TraceHooks into the Program. The skvm interpreter uses the trace hook ID on the op to dispatch a trace command to its associated TraceHook. From a user perspective, this doesn't change very much, but it does mean that the SkVM Code Generator now supplies a TraceHook for us (since it adds trace ops to the Builder and needs to know the proper trace-hook ID). Change-Id: I8bd5fea24f477f81470fae8ba41be45f76949407 Bug: skia:12708 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/479597 Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Commit-Queue: John Stiles <johnstiles@google.com>
1103 lines
40 KiB
C++
1103 lines
40 KiB
C++
/*
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* Copyright 2019 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkM44.h"
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#include "src/sksl/SkSLCompiler.h"
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#include "src/sksl/codegen/SkSLVMCodeGenerator.h"
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#include "src/sksl/codegen/SkVMDebugInfo.h"
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#include "src/sksl/ir/SkSLExternalFunction.h"
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#include "src/utils/SkJSON.h"
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#include "tests/Test.h"
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struct ProgramBuilder {
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ProgramBuilder(skiatest::Reporter* r, const char* src)
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: fCompiler(&fCaps) {
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SkSL::Program::Settings settings;
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// The SkSL inliner is well tested in other contexts. Here, we disable inlining entirely,
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// to stress-test the VM generator's handling of function calls with varying signatures.
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settings.fInlineThreshold = 0;
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// For convenience, so we can test functions other than (and not called by) main.
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settings.fRemoveDeadFunctions = false;
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fProgram = fCompiler.convertProgram(SkSL::ProgramKind::kGeneric, SkSL::String(src),
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settings);
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if (!fProgram) {
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ERRORF(r, "Program failed to compile:\n%s\n%s\n", src, fCompiler.errorText().c_str());
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}
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}
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operator bool() const { return fProgram != nullptr; }
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SkSL::Program& operator*() { return *fProgram; }
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SkSL::ShaderCaps fCaps;
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SkSL::Compiler fCompiler;
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std::unique_ptr<SkSL::Program> fProgram;
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};
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static void verify_values(skiatest::Reporter* r,
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const char* src,
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const float* actual,
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const float* expected,
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int N,
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bool exactCompare) {
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auto exact_equiv = [](float x, float y) {
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return x == y
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|| (isnan(x) && isnan(y));
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};
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bool valid = true;
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for (int i = 0; i < N; ++i) {
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if (exactCompare && !exact_equiv(actual[i], expected[i])) {
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valid = false;
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}
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if (!exactCompare && !SkScalarNearlyEqual(actual[i], expected[i])) {
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valid = false;
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}
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}
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if (!valid) {
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printf("for program: %s\n", src);
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printf(" expected (");
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const char* separator = "";
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for (int i = 0; i < N; ++i) {
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printf("%s%f", separator, expected[i]);
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separator = ", ";
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}
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printf("), but received (");
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separator = "";
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for (int i = 0; i < N; ++i) {
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printf("%s%f", separator, actual[i]);
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separator = ", ";
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}
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printf(")\n");
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}
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REPORTER_ASSERT(r, valid);
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}
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void test(skiatest::Reporter* r, const char* src, float* in, const float* expected,
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bool exactCompare = true) {
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ProgramBuilder program(r, src);
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if (!program) { return; }
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const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main");
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REPORTER_ASSERT(r, main);
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skvm::Builder b;
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SkSL::SkVMSignature sig;
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SkSL::ProgramToSkVM(*program, *main, &b, /*debugInfo=*/nullptr, /*uniforms=*/{}, &sig);
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skvm::Program p = b.done();
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REPORTER_ASSERT(r, p.nargs() == (int)(sig.fParameterSlots + sig.fReturnSlots));
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auto out = std::make_unique<float[]>(sig.fReturnSlots);
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auto args = std::make_unique<void*[]>(sig.fParameterSlots + sig.fReturnSlots);
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for (size_t i = 0; i < sig.fParameterSlots; ++i) {
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args[i] = in + i;
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}
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for (size_t i = 0; i < sig.fReturnSlots; ++i) {
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args[sig.fParameterSlots + i] = out.get() + i;
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}
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// TODO: Test with and without JIT?
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p.eval(1, args.get());
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verify_values(r, src, out.get(), expected, sig.fReturnSlots, exactCompare);
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}
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void test(skiatest::Reporter* r, const char* src,
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float inR, float inG, float inB, float inA,
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float exR, float exG, float exB, float exA) {
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ProgramBuilder program(r, src);
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if (!program) { return; }
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const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main");
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REPORTER_ASSERT(r, main);
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skvm::Builder b;
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SkSL::ProgramToSkVM(*program, *main, &b, /*debugInfo=*/nullptr, /*uniforms=*/{});
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skvm::Program p = b.done();
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// TODO: Test with and without JIT?
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p.eval(1, &inR, &inG, &inB, &inA);
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float actual[4] = { inR, inG, inB, inA };
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float expected[4] = { exR, exG, exB, exA };
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verify_values(r, src, actual, expected, 4, /*exactCompare=*/true);
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// TODO: vec_test with skvm
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}
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DEF_TEST(SkSLInterpreterAdd, r) {
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test(r, "void main(inout half4 color) { color.r = color.r + color.g; }", 0.25, 0.75, 0, 0, 1,
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0.75, 0, 0);
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test(r, "void main(inout half4 color) { color += half4(1, 2, 3, 4); }", 4, 3, 2, 1, 5, 5, 5, 5);
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test(r, "void main(inout half4 color) { half4 c = color; color += c; }", 0.25, 0.5, 0.75, 1,
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0.5, 1, 1.5, 2);
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test(r, "void main(inout half4 color) { color.r = half(int(color.r) + int(color.g)); }", 1, 3, 0, 0,
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4, 3, 0, 0);
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}
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DEF_TEST(SkSLInterpreterSubtract, r) {
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test(r, "void main(inout half4 color) { color.r = color.r - color.g; }", 1, 0.75, 0, 0, 0.25,
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0.75, 0, 0);
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test(r, "void main(inout half4 color) { color -= half4(1, 2, 3, 4); }", 5, 5, 5, 5, 4, 3, 2, 1);
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test(r, "void main(inout half4 color) { half4 c = color; color -= c; }", 4, 3, 2, 1,
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0, 0, 0, 0);
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test(r, "void main(inout half4 color) { color.x = -color.x; }", 4, 3, 2, 1, -4, 3, 2, 1);
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test(r, "void main(inout half4 color) { color = -color; }", 4, 3, 2, 1, -4, -3, -2, -1);
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test(r, "void main(inout half4 color) { color.r = half(int(color.r) - int(color.g)); }", 3, 1, 0, 0,
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2, 1, 0, 0);
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}
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DEF_TEST(SkSLInterpreterMultiply, r) {
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test(r, "void main(inout half4 color) { color.r = color.r * color.g; }", 2, 3, 0, 0, 6, 3, 0,
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0);
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test(r, "void main(inout half4 color) { color *= half4(1, 2, 3, 4); }", 2, 3, 4, 5, 2, 6, 12,
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20);
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test(r, "void main(inout half4 color) { half4 c = color; color *= c; }", 4, 3, 2, 1,
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16, 9, 4, 1);
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test(r, "void main(inout half4 color) { color.r = half(int(color.r) * int(color.g)); }", 3, -2, 0, 0,
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-6, -2, 0, 0);
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}
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DEF_TEST(SkSLInterpreterDivide, r) {
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test(r, "void main(inout half4 color) { color.r = color.r / color.g; }", 1, 2, 0, 0, 0.5, 2, 0,
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0);
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test(r, "void main(inout half4 color) { color /= half4(1, 2, 3, 4); }", 12, 12, 12, 12, 12, 6,
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4, 3);
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test(r, "void main(inout half4 color) { half4 c = color; color /= c; }", 4, 3, 2, 1,
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1, 1, 1, 1);
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test(r, "void main(inout half4 color) { color.r = half(int(color.r) / int(color.g)); }", 8, -2, 0, 0,
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-4, -2, 0, 0);
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}
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DEF_TEST(SkSLInterpreterAnd, r) {
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test(r, "void main(inout half4 color) { if (color.r > color.g && color.g > color.b) "
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"color = half4(color.a); }", 2, 1, 0, 3, 3, 3, 3, 3);
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test(r, "void main(inout half4 color) { if (color.r > color.g && color.g > color.b) "
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"color = half4(color.a); }", 1, 1, 0, 3, 1, 1, 0, 3);
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test(r, "void main(inout half4 color) { if (color.r > color.g && color.g > color.b) "
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"color = half4(color.a); }", 2, 1, 1, 3, 2, 1, 1, 3);
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test(r, "half global; bool update() { global = 123; return true; }"
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"void main(inout half4 color) { global = 0; if (color.r > color.g && update()) "
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"color = half4(color.a); color.a = global; }", 2, 1, 1, 3, 3, 3, 3, 123);
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test(r, "half global; bool update() { global = 123; return true; }"
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"void main(inout half4 color) { global = 0; if (color.r > color.g && update()) "
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"color = half4(color.a); color.a = global; }", 1, 1, 1, 3, 1, 1, 1, 0);
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}
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DEF_TEST(SkSLInterpreterOr, r) {
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test(r, "void main(inout half4 color) { if (color.r > color.g || color.g > color.b) "
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"color = half4(color.a); }", 2, 1, 0, 3, 3, 3, 3, 3);
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test(r, "void main(inout half4 color) { if (color.r > color.g || color.g > color.b) "
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"color = half4(color.a); }", 1, 1, 0, 3, 3, 3, 3, 3);
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test(r, "void main(inout half4 color) { if (color.r > color.g || color.g > color.b) "
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"color = half4(color.a); }", 1, 1, 1, 3, 1, 1, 1, 3);
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test(r, "half global; bool update() { global = 123; return true; }"
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"void main(inout half4 color) { global = 0; if (color.r > color.g || update()) "
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"color = half4(color.a); color.a = global; }", 1, 1, 1, 3, 3, 3, 3, 123);
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test(r, "half global; bool update() { global = 123; return true; }"
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"void main(inout half4 color) { global = 0; if (color.r > color.g || update()) "
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"color = half4(color.a); color.a = global; }", 2, 1, 1, 3, 3, 3, 3, 0);
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}
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DEF_TEST(SkSLInterpreterMatrix, r) {
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float in[16];
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float expected[16];
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// Constructing matrix from scalar produces a diagonal matrix
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in[0] = 2.0f;
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expected[0] = 4.0f;
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test(r, "float main(float x) { float4x4 m = float4x4(x); return m[1][1] + m[1][2] + m[2][2]; }",
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in, expected);
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// Constructing from a different-sized matrix fills the remaining space with the identity matrix
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expected[0] = 3.0f;
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test(r, "float main(float x) {"
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"float2x2 m = float2x2(x);"
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"float4x4 m2 = float4x4(m);"
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"return m2[0][0] + m2[3][3]; }",
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in, expected);
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// Constructing a matrix from vectors or scalars fills in values in column-major order
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in[0] = 1.0f;
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in[1] = 2.0f;
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in[2] = 4.0f;
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in[3] = 8.0f;
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expected[0] = 6.0f;
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test(r, "float main(float4 v) { float2x2 m = float2x2(v); return m[0][1] + m[1][0]; }",
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in, expected);
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expected[0] = 10.0f;
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test(r, "float main(float4 v) {"
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"float2x2 m = float2x2(v.x, v.y, v.w, v.z);"
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"return m[0][1] + m[1][0]; }",
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in, expected);
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// Initialize 16 values to be used as inputs to matrix tests
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for (int i = 0; i < 16; ++i) { in[i] = (float)i; }
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// M+M, M-S, S-M
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(2 * i); }
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test(r, "float4x4 main(float4x4 m) { return m + m; }", in, expected);
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(i + 3); }
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test(r, "float4x4 main(float4x4 m) { return m + 3.0; }", in, expected);
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test(r, "float4x4 main(float4x4 m) { return 3.0 + m; }", in, expected);
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// M-M, M-S, S-M
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for (int i = 0; i < 4; ++i) { expected[i] = 4.0f; }
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test(r, "float2x2 main(float2x2 m1, float2x2 m2) { return m2 - m1; }", in, expected);
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(i - 3); }
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test(r, "float4x4 main(float4x4 m) { return m - 3.0; }", in, expected);
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(3 - i); }
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test(r, "float4x4 main(float4x4 m) { return 3.0 - m; }", in, expected);
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// M*S, S*M, M/S, S/M
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(i * 3); }
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test(r, "float4x4 main(float4x4 m) { return m * 3.0; }", in, expected);
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test(r, "float4x4 main(float4x4 m) { return 3.0 * m; }", in, expected);
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(i) / 2.0f; }
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test(r, "float4x4 main(float4x4 m) { return m / 2.0; }", in, expected);
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for (int i = 0; i < 16; ++i) { expected[i] = 1.0f / (float)(i + 1); }
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test(r, "float4x4 main(float4x4 m) { return 1.0 / (m + 1); }", in, expected);
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// Matrix negation
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for (int i = 0; i < 16; ++i) { expected[i] = (float)(-i); }
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test(r, "float4x4 main(float4x4 m) { return -m; }", in, expected);
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// M*V, V*M
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for (int i = 0; i < 3; ++i) {
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expected[i] = 9.0f*i + 10.0f*(i+3) + 11.0f*(i+6);
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}
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test(r, "float3 main(float3x3 m, float3 v) { return m * v; }", in, expected);
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for (int i = 0; i < 3; ++i) {
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expected[i] = 9.0f*(3*i) + 10.0f*(3*i+1) + 11.0f*(3*i+2);
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}
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test(r, "float3 main(float3x3 m, float3 v) { return v * m; }", in, expected);
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// M*M
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{
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SkM44 m = SkM44::ColMajor(in);
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SkM44 m2;
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float in2[16];
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for (int i = 0; i < 16; ++i) {
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in2[i] = (i + 4) % 16;
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}
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m2 = SkM44::ColMajor(in2);
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m.setConcat(m, m2);
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// Rearrange the columns on the RHS so we detect left-hand/right-hand errors
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test(r, "float4x4 main(float4x4 m) { return m * float4x4(m[1], m[2], m[3], m[0]); }",
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in, (float*)&m);
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}
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}
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DEF_TEST(SkSLInterpreterTernary, r) {
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test(r, "void main(inout half4 color) { color.r = color.g > color.b ? color.g : color.b; }",
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0, 1, 2, 0, 2, 1, 2, 0);
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test(r, "void main(inout half4 color) { color.r = color.g > color.b ? color.g : color.b; }",
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0, 3, 2, 0, 3, 3, 2, 0);
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}
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DEF_TEST(SkSLInterpreterCast, r) {
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union Val {
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float f;
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int32_t s;
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};
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Val input[2];
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Val expected[2];
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input[0].s = 3;
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input[1].s = -5;
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expected[0].f = 3.0f;
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expected[1].f = -5.0f;
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test(r, "float main(int x) { return float (x); }", (float*)input, (float*)expected);
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test(r, "float2 main(int2 x) { return float2(x); }", (float*)input, (float*)expected);
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input[0].f = 3.0f;
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input[1].f = -5.0f;
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expected[0].s = 3;
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expected[1].s = -5;
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test(r, "int main(float x) { return int (x); }", (float*)input, (float*)expected);
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test(r, "int2 main(float2 x) { return int2(x); }", (float*)input, (float*)expected);
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input[0].s = 3;
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expected[0].f = 3.0f;
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expected[1].f = 3.0f;
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test(r, "float2 main(int x) { return float2(x); }", (float*)input, (float*)expected);
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}
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DEF_TEST(SkSLInterpreterIf, r) {
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test(r, "void main(inout half4 color) { if (color.r > color.g) color.a = 1; }", 5, 3, 0, 0,
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5, 3, 0, 1);
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test(r, "void main(inout half4 color) { if (color.r > color.g) color.a = 1; }", 5, 5, 0, 0,
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5, 5, 0, 0);
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test(r, "void main(inout half4 color) { if (color.r > color.g) color.a = 1; }", 5, 6, 0, 0,
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5, 6, 0, 0);
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test(r, "void main(inout half4 color) { if (color.r < color.g) color.a = 1; }", 3, 5, 0, 0,
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3, 5, 0, 1);
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test(r, "void main(inout half4 color) { if (color.r < color.g) color.a = 1; }", 5, 5, 0, 0,
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5, 5, 0, 0);
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test(r, "void main(inout half4 color) { if (color.r < color.g) color.a = 1; }", 6, 5, 0, 0,
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6, 5, 0, 0);
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test(r, "void main(inout half4 color) { if (color.r >= color.g) color.a = 1; }", 5, 3, 0, 0,
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5, 3, 0, 1);
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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, /*debugInfo=*/nullptr, SkMakeSpan(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,
|
|
SkSL::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, /*debugInfo=*/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, /*debugInfo=*/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, /*debugInfo=*/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, SkSL::String(src), settings);
|
|
REPORTER_ASSERT(r, program);
|
|
|
|
const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main");
|
|
|
|
skvm::Builder b;
|
|
SkSL::ProgramToSkVM(*program, *main, &b, /*debugInfo=*/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, SkSL::String(src), settings);
|
|
REPORTER_ASSERT(r, program);
|
|
|
|
const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main");
|
|
|
|
SkSL::ProgramToSkVM(*program, *main, &b, /*debugInfo=*/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() {
|
|
for (float loop = 10; loop <= 30; loop += 10) {
|
|
bool function_result = less_than(loop, 20);
|
|
}
|
|
return 40;
|
|
}
|
|
)";
|
|
skvm::Builder b;
|
|
std::unique_ptr<SkSL::Program> program = compiler.convertProgram(SkSL::ProgramKind::kGeneric,
|
|
SkSL::String(kSrc), settings);
|
|
REPORTER_ASSERT(r, program);
|
|
|
|
const SkSL::FunctionDefinition* main = SkSL::Program_GetFunction(*program, "main");
|
|
SkSL::SkVMDebugInfo debugInfo;
|
|
SkSL::ProgramToSkVM(*program, *main, &b, &debugInfo, /*uniforms=*/{});
|
|
skvm::Program p = b.done();
|
|
REPORTER_ASSERT(r, p.nargs() == 1);
|
|
|
|
int result;
|
|
p.eval(1, &result);
|
|
|
|
SkSL::String trace;
|
|
for (const SkSL::SkVMTraceInfo& traceInfo : debugInfo.fTraceInfo) {
|
|
int data0 = traceInfo.data[0];
|
|
int data1 = traceInfo.data[1];
|
|
switch (traceInfo.op) {
|
|
case SkSL::SkVMTraceInfo::Op::kLine:
|
|
trace.appendf("line %d\n", data0);
|
|
break;
|
|
|
|
case SkSL::SkVMTraceInfo::Op::kVar:
|
|
trace += debugInfo.fSlotInfo[data0].name.c_str();
|
|
switch (debugInfo.fSlotInfo[data0].numberKind) {
|
|
case SkSL::Type::NumberKind::kSigned:
|
|
case SkSL::Type::NumberKind::kUnsigned:
|
|
default:
|
|
trace.appendf(" = %d\n", data1);
|
|
break;
|
|
case SkSL::Type::NumberKind::kBoolean:
|
|
trace.appendf(" = %s\n", data1 ? "true" : "false");
|
|
break;
|
|
case SkSL::Type::NumberKind::kFloat: {
|
|
float floatVal;
|
|
static_assert(sizeof(floatVal) == sizeof(data1));
|
|
memcpy(&floatVal, &data1, sizeof(floatVal));
|
|
trace.appendf(" = %g\n", floatVal);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SkSL::SkVMTraceInfo::Op::kEnter:
|
|
trace.appendf("enter %s\n", debugInfo.fFuncInfo[data0].name.c_str());
|
|
break;
|
|
|
|
case SkSL::SkVMTraceInfo::Op::kExit:
|
|
trace.appendf("exit %s\n", debugInfo.fFuncInfo[data0].name.c_str());
|
|
break;
|
|
}
|
|
}
|
|
|
|
REPORTER_ASSERT(r, result == 40);
|
|
REPORTER_ASSERT(r, trace ==
|
|
R"(enter int main()
|
|
line 11
|
|
loop = 10
|
|
line 12
|
|
enter bool less_than(float left, int right)
|
|
left = 10
|
|
right = 20
|
|
line 2
|
|
comparison = true
|
|
line 3
|
|
line 4
|
|
[less_than].result = true
|
|
exit bool less_than(float left, int right)
|
|
function_result = true
|
|
line 11
|
|
loop = 20
|
|
line 12
|
|
enter bool less_than(float left, int right)
|
|
left = 20
|
|
right = 20
|
|
line 2
|
|
comparison = false
|
|
line 3
|
|
line 6
|
|
[less_than].result = false
|
|
exit bool less_than(float left, int right)
|
|
function_result = false
|
|
line 11
|
|
loop = 30
|
|
line 12
|
|
enter bool less_than(float left, int right)
|
|
left = 30
|
|
right = 20
|
|
line 2
|
|
comparison = false
|
|
line 3
|
|
line 6
|
|
[less_than].result = false
|
|
exit bool less_than(float left, int right)
|
|
function_result = false
|
|
line 11
|
|
line 14
|
|
[main].result = 40
|
|
exit int main()
|
|
)", "Trace output does not match expectation:\n%s\n", trace.c_str());
|
|
}
|