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/ganesh/GrDirectContext.h"
30 #include "include/gpu/ganesh/SkSurfaceGanesh.h"
31 #include "src/core/SkOSFile.h"
32 #include "src/utils/SkOSPath.h"
33 #include "tests/CtsEnforcement.h"
34 #include "tests/Test.h"
35 #include "tools/Resources.h"
36
37 #include <functional>
38
39 struct GrContextOptions;
40
test_expect_fail(skiatest::Reporter * r,const char * testFile)41 static void test_expect_fail(skiatest::Reporter* r, const char* testFile) {
42 SkRuntimeEffect::Options options{};
43 sk_sp<SkData> shaderData = GetResourceAsData(testFile);
44 if (!shaderData) {
45 ERRORF(r, "%s: Unable to load file", SkOSPath::Basename(testFile).c_str());
46 return;
47 }
48
49 SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
50 SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
51 if (result.effect) {
52 ERRORF(r, "%s: Expected failure, but compiled successfully",
53 SkOSPath::Basename(testFile).c_str());
54 return;
55 }
56 }
57
test_expect_pass(skiatest::Reporter * r,SkSurface * surface,const char * testFile)58 static void test_expect_pass(skiatest::Reporter* r, SkSurface* surface, const char* testFile) {
59 SkRuntimeEffect::Options options{};
60 sk_sp<SkData> shaderData = GetResourceAsData(testFile);
61 if (!shaderData) {
62 ERRORF(r, "%s: Unable to load file", testFile);
63 return;
64 }
65
66 SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
67 SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
68 if (!result.effect) {
69 ERRORF(r, "%s: %s", testFile, result.errorText.c_str());
70 return;
71 }
72
73 SkRuntimeShaderBuilder builder(result.effect);
74 sk_sp<SkShader> shader = builder.makeShader();
75 if (!shader) {
76 ERRORF(r, "%s: Unable to build shader", testFile);
77 return;
78 }
79
80 SkPaint paintShader;
81 paintShader.setShader(shader);
82 surface->getCanvas()->drawRect(SkRect::MakeWH(1, 1), paintShader);
83
84 SkBitmap bitmap;
85 REPORTER_ASSERT(r, bitmap.tryAllocPixels(surface->imageInfo()));
86 REPORTER_ASSERT(r, surface->readPixels(bitmap.info(), bitmap.getPixels(), bitmap.rowBytes(),
87 /*srcX=*/0, /*srcY=*/0));
88
89 SkColor color = bitmap.getColor(0, 0);
90 if (color != SkColorSetARGB(0xFF, 0x00, 0xFF, 0x00)) {
91 ERRORF(r, "%s: Expected solid green. Actual:\n"
92 "RRGGBBAA\n"
93 "%02X%02X%02X%02X",
94 testFile,
95 SkColorGetR(color), SkColorGetG(color), SkColorGetB(color), SkColorGetA(color));
96 }
97 }
98
iterate_dir(const char * directory,const std::function<void (const char *)> & run)99 static void iterate_dir(const char* directory, const std::function<void(const char*)>& run) {
100 SkString resourceDirectory = GetResourcePath(directory);
101 SkOSFile::Iter iter(resourceDirectory.c_str(), ".rts");
102 SkString name;
103
104 while (iter.next(&name, /*getDir=*/false)) {
105 SkString path(SkOSPath::Join(directory, name.c_str()));
106 run(path.c_str());
107 }
108 }
109
DEF_TEST(SkSL_ES2Conformance_Pass_CPU,r)110 DEF_TEST(SkSL_ES2Conformance_Pass_CPU, r) {
111 const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
112 sk_sp<SkSurface> surface(SkSurfaces::Raster(info));
113
114 iterate_dir("sksl/es2_conformance/pass/", [&](const char* path) {
115 test_expect_pass(r, surface.get(), path);
116 });
117 }
118
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(SkSL_ES2Conformance_Pass_GPU,r,ctxInfo,CtsEnforcement::kApiLevel_T)119 DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(SkSL_ES2Conformance_Pass_GPU,
120 r,
121 ctxInfo,
122 CtsEnforcement::kApiLevel_T) {
123 const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
124 sk_sp<SkSurface> surface(
125 SkSurfaces::RenderTarget(ctxInfo.directContext(), skgpu::Budgeted::kNo, info));
126 iterate_dir("sksl/es2_conformance/pass/", [&](const char* path) {
127 test_expect_pass(r, surface.get(), path);
128 });
129 }
130
DEF_TEST(SkSL_ES2Conformance_Fail,r)131 DEF_TEST(SkSL_ES2Conformance_Fail, r) {
132 iterate_dir("sksl/es2_conformance/fail/", [&](const char* path) {
133 test_expect_fail(r, path);
134 });
135 }
136