1 /*
2 * Copyright 2021 Google LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 /**
9 * This test relies on GLSL ES2 conformance test files, which are not included in Skia.
10 *
11 * To run the test suite, open `resources/sksl/es2_conformance/import_conformance_tests.py` and
12 * follow the instructions at the top to download and import the test suite.
13 */
14
15 #include "gm/gm.h"
16 #include "include/core/SkBitmap.h"
17 #include "include/core/SkCanvas.h"
18 #include "include/core/SkData.h"
19 #include "include/core/SkFont.h"
20 #include "include/core/SkPaint.h"
21 #include "include/core/SkSize.h"
22 #include "include/core/SkString.h"
23 #include "include/core/SkStringView.h"
24 #include "include/core/SkSurface.h"
25 #include "include/effects/SkGradientShader.h"
26 #include "include/effects/SkImageFilters.h"
27 #include "include/effects/SkRuntimeEffect.h"
28 #include "include/utils/SkRandom.h"
29 #include "src/core/SkOSFile.h"
30 #include "src/core/SkRuntimeEffectPriv.h"
31 #include "src/gpu/GrCaps.h"
32 #include "src/gpu/GrDirectContextPriv.h"
33 #include "src/utils/SkOSPath.h"
34 #include "tests/Test.h"
35 #include "tools/Resources.h"
36 #include "tools/ToolUtils.h"
37
test_expect_fail(skiatest::Reporter * r,const char * testFile)38 static void test_expect_fail(skiatest::Reporter* r, const char* testFile) {
39 SkRuntimeEffect::Options options{};
40 sk_sp<SkData> shaderData = GetResourceAsData(testFile);
41 if (!shaderData) {
42 ERRORF(r, "%s: Unable to load file", SkOSPath::Basename(testFile).c_str());
43 return;
44 }
45
46 SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
47 SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
48 if (result.effect) {
49 ERRORF(r, "%s: Expected failure, but compiled successfully",
50 SkOSPath::Basename(testFile).c_str());
51 return;
52 }
53 }
54
test_expect_pass(skiatest::Reporter * r,SkSurface * surface,const char * testFile)55 static void test_expect_pass(skiatest::Reporter* r, SkSurface* surface, const char* testFile) {
56 SkRuntimeEffect::Options options{};
57 sk_sp<SkData> shaderData = GetResourceAsData(testFile);
58 if (!shaderData) {
59 ERRORF(r, "%s: Unable to load file", testFile);
60 return;
61 }
62
63 SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
64 SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
65 if (!result.effect) {
66 ERRORF(r, "%s: %s", testFile, result.errorText.c_str());
67 return;
68 }
69
70 SkRuntimeShaderBuilder builder(result.effect);
71 sk_sp<SkShader> shader = builder.makeShader(/*localMatrix=*/nullptr, /*isOpaque=*/true);
72 if (!shader) {
73 ERRORF(r, "%s: Unable to build shader", testFile);
74 return;
75 }
76
77 SkPaint paintShader;
78 paintShader.setShader(shader);
79 surface->getCanvas()->drawRect(SkRect::MakeWH(1, 1), paintShader);
80
81 SkBitmap bitmap;
82 REPORTER_ASSERT(r, bitmap.tryAllocPixels(surface->imageInfo()));
83 REPORTER_ASSERT(r, surface->readPixels(bitmap.info(), bitmap.getPixels(), bitmap.rowBytes(),
84 /*srcX=*/0, /*srcY=*/0));
85
86 SkColor color = bitmap.getColor(0, 0);
87 if (color != SkColorSetARGB(0xFF, 0x00, 0xFF, 0x00)) {
88 ERRORF(r, "%s: Expected solid green. Actual:\n"
89 "RRGGBBAA\n"
90 "%02X%02X%02X%02X",
91 testFile,
92 SkColorGetR(color), SkColorGetG(color), SkColorGetB(color), SkColorGetA(color));
93 }
94 }
95
iterate_dir(const char * directory,const std::function<void (const char *)> & run)96 static void iterate_dir(const char* directory, const std::function<void(const char*)>& run) {
97 SkString resourceDirectory = GetResourcePath(directory);
98 SkOSFile::Iter iter(resourceDirectory.c_str(), ".rts");
99 SkString name;
100
101 while (iter.next(&name, /*getDir=*/false)) {
102 SkString path(SkOSPath::Join(directory, name.c_str()));
103 run(path.c_str());
104 }
105 }
106
DEF_TEST(SkSL_ES2Conformance_Pass_CPU,r)107 DEF_TEST(SkSL_ES2Conformance_Pass_CPU, r) {
108 const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
109 sk_sp<SkSurface> surface(SkSurface::MakeRaster(info));
110
111 iterate_dir("sksl/es2_conformance/pass/", [&](const char* path) {
112 test_expect_pass(r, surface.get(), path);
113 });
114 }
115
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkSL_ES2Conformance_Pass_GPU,r,ctxInfo)116 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkSL_ES2Conformance_Pass_GPU, r, ctxInfo) {
117 const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
118 sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctxInfo.directContext(),
119 SkBudgeted::kNo, info));
120 iterate_dir("sksl/es2_conformance/pass/", [&](const char* path) {
121 test_expect_pass(r, surface.get(), path);
122 });
123 }
124
DEF_TEST(SkSL_ES2Conformance_Fail,r)125 DEF_TEST(SkSL_ES2Conformance_Fail, r) {
126 iterate_dir("sksl/es2_conformance/fail/", [&](const char* path) {
127 test_expect_fail(r, path);
128 });
129 }
130