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 "include/core/SkBitmap.h"
16 #include "include/core/SkCanvas.h"
17 #include "include/core/SkColor.h"
18 #include "include/core/SkData.h"
19 #include "include/core/SkImageInfo.h"
20 #include "include/core/SkPaint.h"
21 #include "include/core/SkRect.h"
22 #include "include/core/SkRefCnt.h"
23 #include "include/core/SkShader.h"
24 #include "include/core/SkString.h"
25 #include "include/core/SkSurface.h"
26 #include "include/core/SkTypes.h"
27 #include "include/effects/SkRuntimeEffect.h"
28 #include "include/gpu/GpuTypes.h"
29 #include "include/gpu/GrDirectContext.h"
30 #include "src/core/SkOSFile.h"
31 #include "src/utils/SkOSPath.h"
32 #include "tests/CtsEnforcement.h"
33 #include "tests/Test.h"
34 #include "tools/Resources.h"
35
36 #include <functional>
37
38 struct GrContextOptions;
39
test_expect_fail(skiatest::Reporter * r,const char * testFile)40 static void test_expect_fail(skiatest::Reporter* r, const char* testFile) {
41 SkRuntimeEffect::Options options{};
42 sk_sp<SkData> shaderData = GetResourceAsData(testFile);
43 if (!shaderData) {
44 ERRORF(r, "%s: Unable to load file", SkOSPath::Basename(testFile).c_str());
45 return;
46 }
47
48 SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
49 SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
50 if (result.effect) {
51 ERRORF(r, "%s: Expected failure, but compiled successfully",
52 SkOSPath::Basename(testFile).c_str());
53 return;
54 }
55 }
56
test_expect_pass(skiatest::Reporter * r,SkSurface * surface,const char * testFile)57 static void test_expect_pass(skiatest::Reporter* r, SkSurface* surface, const char* testFile) {
58 SkRuntimeEffect::Options options{};
59 sk_sp<SkData> shaderData = GetResourceAsData(testFile);
60 if (!shaderData) {
61 ERRORF(r, "%s: Unable to load file", testFile);
62 return;
63 }
64
65 SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
66 SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
67 if (!result.effect) {
68 ERRORF(r, "%s: %s", testFile, result.errorText.c_str());
69 return;
70 }
71
72 SkRuntimeShaderBuilder builder(result.effect);
73 sk_sp<SkShader> shader = builder.makeShader();
74 if (!shader) {
75 ERRORF(r, "%s: Unable to build shader", testFile);
76 return;
77 }
78
79 SkPaint paintShader;
80 paintShader.setShader(shader);
81 surface->getCanvas()->drawRect(SkRect::MakeWH(1, 1), paintShader);
82
83 SkBitmap bitmap;
84 REPORTER_ASSERT(r, bitmap.tryAllocPixels(surface->imageInfo()));
85 REPORTER_ASSERT(r, surface->readPixels(bitmap.info(), bitmap.getPixels(), bitmap.rowBytes(),
86 /*srcX=*/0, /*srcY=*/0));
87
88 SkColor color = bitmap.getColor(0, 0);
89 if (color != SkColorSetARGB(0xFF, 0x00, 0xFF, 0x00)) {
90 ERRORF(r, "%s: Expected solid green. Actual:\n"
91 "RRGGBBAA\n"
92 "%02X%02X%02X%02X",
93 testFile,
94 SkColorGetR(color), SkColorGetG(color), SkColorGetB(color), SkColorGetA(color));
95 }
96 }
97
iterate_dir(const char * directory,const std::function<void (const char *)> & run)98 static void iterate_dir(const char* directory, const std::function<void(const char*)>& run) {
99 SkString resourceDirectory = GetResourcePath(directory);
100 SkOSFile::Iter iter(resourceDirectory.c_str(), ".rts");
101 SkString name;
102
103 while (iter.next(&name, /*getDir=*/false)) {
104 SkString path(SkOSPath::Join(directory, name.c_str()));
105 run(path.c_str());
106 }
107 }
108
DEF_TEST(SkSL_ES2Conformance_Pass_CPU,r)109 DEF_TEST(SkSL_ES2Conformance_Pass_CPU, r) {
110 const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
111 sk_sp<SkSurface> surface(SkSurface::MakeRaster(info));
112
113 iterate_dir("sksl/es2_conformance/pass/", [&](const char* path) {
114 test_expect_pass(r, surface.get(), path);
115 });
116 }
117
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(SkSL_ES2Conformance_Pass_GPU,r,ctxInfo,CtsEnforcement::kApiLevel_T)118 DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(SkSL_ES2Conformance_Pass_GPU,
119 r,
120 ctxInfo,
121 CtsEnforcement::kApiLevel_T) {
122 const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
123 sk_sp<SkSurface> surface(
124 SkSurface::MakeRenderTarget(ctxInfo.directContext(), skgpu::Budgeted::kNo, info));
125 iterate_dir("sksl/es2_conformance/pass/", [&](const char* path) {
126 test_expect_pass(r, surface.get(), path);
127 });
128 }
129
DEF_TEST(SkSL_ES2Conformance_Fail,r)130 DEF_TEST(SkSL_ES2Conformance_Fail, r) {
131 iterate_dir("sksl/es2_conformance/fail/", [&](const char* path) {
132 test_expect_fail(r, path);
133 });
134 }
135