1 /*
2 * Copyright 2016 Google Inc.
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 #include "SkTypes.h"
9 #include "Test.h"
10
11 #if SK_SUPPORT_GPU
12 #include "GrClip.h"
13 #include "GrContext.h"
14 #include "GrGpuResource.h"
15 #include "GrPipelineBuilder.h"
16 #include "GrRenderTargetContext.h"
17 #include "GrRenderTargetContextPriv.h"
18 #include "GrResourceProvider.h"
19 #include "glsl/GrGLSLFragmentProcessor.h"
20 #include "glsl/GrGLSLFragmentShaderBuilder.h"
21 #include "ops/GrNonAAFillRectOp.h"
22 #include "ops/GrTestMeshDrawOp.h"
23 #include <random>
24
25 namespace {
26 class TestOp : public GrTestMeshDrawOp {
27 public:
28 DEFINE_OP_CLASS_ID
name() const29 const char* name() const override { return "TestOp"; }
30
Make()31 static std::unique_ptr<GrMeshDrawOp> Make() {
32 return std::unique_ptr<GrMeshDrawOp>(new TestOp);
33 }
34
35 private:
TestOp()36 TestOp() : INHERITED(ClassID(), SkRect::MakeWH(100, 100), 0xFFFFFFFF) {}
37
onPrepareDraws(Target * target) const38 void onPrepareDraws(Target* target) const override { return; }
39
40 typedef GrTestMeshDrawOp INHERITED;
41 };
42
43 /**
44 * FP used to test ref/IO counts on owned GrGpuResources. Can also be a parent FP to test counts
45 * of resources owned by child FPs.
46 */
47 class TestFP : public GrFragmentProcessor {
48 public:
49 struct Image {
Image__anonb044195a0111::TestFP::Image50 Image(sk_sp<GrTexture> texture, GrIOType ioType) : fTexture(texture), fIOType(ioType) {}
51 sk_sp<GrTexture> fTexture;
52 GrIOType fIOType;
53 };
Make(sk_sp<GrFragmentProcessor> child)54 static sk_sp<GrFragmentProcessor> Make(sk_sp<GrFragmentProcessor> child) {
55 return sk_sp<GrFragmentProcessor>(new TestFP(std::move(child)));
56 }
Make(GrContext * context,const SkTArray<sk_sp<GrTextureProxy>> & proxies,const SkTArray<sk_sp<GrBuffer>> & buffers,const SkTArray<Image> & images)57 static sk_sp<GrFragmentProcessor> Make(GrContext* context,
58 const SkTArray<sk_sp<GrTextureProxy>>& proxies,
59 const SkTArray<sk_sp<GrBuffer>>& buffers,
60 const SkTArray<Image>& images) {
61 return sk_sp<GrFragmentProcessor>(new TestFP(context, proxies, buffers, images));
62 }
63
name() const64 const char* name() const override { return "test"; }
65
onGetGLSLProcessorKey(const GrShaderCaps &,GrProcessorKeyBuilder * b) const66 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override {
67 // We don't really care about reusing these.
68 static int32_t gKey = 0;
69 b->add32(sk_atomic_inc(&gKey));
70 }
71
72 private:
TestFP(GrContext * context,const SkTArray<sk_sp<GrTextureProxy>> & proxies,const SkTArray<sk_sp<GrBuffer>> & buffers,const SkTArray<Image> & images)73 TestFP(GrContext* context,
74 const SkTArray<sk_sp<GrTextureProxy>>& proxies,
75 const SkTArray<sk_sp<GrBuffer>>& buffers,
76 const SkTArray<Image>& images)
77 : INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) {
78 for (const auto& proxy : proxies) {
79 this->addTextureSampler(&fSamplers.emplace_back(context->resourceProvider(), proxy));
80 }
81 for (const auto& buffer : buffers) {
82 this->addBufferAccess(&fBuffers.emplace_back(kRGBA_8888_GrPixelConfig, buffer.get()));
83 }
84 for (const Image& image : images) {
85 this->addImageStorageAccess(&fImages.emplace_back(
86 image.fTexture, image.fIOType, GrSLMemoryModel::kNone, GrSLRestrict::kNo));
87 }
88 }
89
TestFP(sk_sp<GrFragmentProcessor> child)90 TestFP(sk_sp<GrFragmentProcessor> child)
91 : INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) {
92 this->registerChildProcessor(std::move(child));
93 }
94
onCreateGLSLInstance() const95 virtual GrGLSLFragmentProcessor* onCreateGLSLInstance() const override {
96 class TestGLSLFP : public GrGLSLFragmentProcessor {
97 public:
98 TestGLSLFP() {}
99 void emitCode(EmitArgs& args) override {
100 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
101 fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, args.fInputColor);
102 }
103
104 private:
105 };
106 return new TestGLSLFP();
107 }
108
onIsEqual(const GrFragmentProcessor &) const109 bool onIsEqual(const GrFragmentProcessor&) const override { return false; }
110
111 GrTAllocator<TextureSampler> fSamplers;
112 GrTAllocator<BufferAccess> fBuffers;
113 GrTAllocator<ImageStorageAccess> fImages;
114 typedef GrFragmentProcessor INHERITED;
115 };
116 }
117
118 template <typename T>
testingOnly_getIORefCnts(const T * resource,int * refCnt,int * readCnt,int * writeCnt)119 inline void testingOnly_getIORefCnts(const T* resource, int* refCnt, int* readCnt, int* writeCnt) {
120 *refCnt = resource->fRefCnt;
121 *readCnt = resource->fPendingReads;
122 *writeCnt = resource->fPendingWrites;
123 }
124
testingOnly_getIORefCnts(GrTextureProxy * proxy,int * refCnt,int * readCnt,int * writeCnt)125 void testingOnly_getIORefCnts(GrTextureProxy* proxy, int* refCnt, int* readCnt, int* writeCnt) {
126 *refCnt = proxy->getBackingRefCnt_TestOnly();
127 *readCnt = proxy->getPendingReadCnt_TestOnly();
128 *writeCnt = proxy->getPendingWriteCnt_TestOnly();
129 }
130
DEF_GPUTEST_FOR_ALL_CONTEXTS(ProcessorRefTest,reporter,ctxInfo)131 DEF_GPUTEST_FOR_ALL_CONTEXTS(ProcessorRefTest, reporter, ctxInfo) {
132 GrContext* context = ctxInfo.grContext();
133
134 GrTextureDesc desc;
135 desc.fConfig = kRGBA_8888_GrPixelConfig;
136 desc.fWidth = 10;
137 desc.fHeight = 10;
138
139 for (int parentCnt = 0; parentCnt < 2; parentCnt++) {
140 sk_sp<GrRenderTargetContext> renderTargetContext(context->makeRenderTargetContext(
141 SkBackingFit::kApprox, 1, 1, kRGBA_8888_GrPixelConfig, nullptr));
142 {
143 bool texelBufferSupport = context->caps()->shaderCaps()->texelBufferSupport();
144 bool imageLoadStoreSupport = context->caps()->shaderCaps()->imageLoadStoreSupport();
145 sk_sp<GrTextureProxy> proxy1(GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
146 desc,
147 SkBackingFit::kExact,
148 SkBudgeted::kYes));
149 sk_sp<GrTexture> texture2(
150 context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
151 sk_sp<GrTexture> texture3(
152 context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
153 sk_sp<GrTexture> texture4(
154 context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
155 sk_sp<GrBuffer> buffer(texelBufferSupport
156 ? context->resourceProvider()->createBuffer(
157 1024, GrBufferType::kTexel_GrBufferType,
158 GrAccessPattern::kStatic_GrAccessPattern, 0)
159 : nullptr);
160 {
161 SkTArray<sk_sp<GrTextureProxy>> proxies;
162 SkTArray<sk_sp<GrBuffer>> buffers;
163 SkTArray<TestFP::Image> images;
164 proxies.push_back(proxy1);
165 if (texelBufferSupport) {
166 buffers.push_back(buffer);
167 }
168 if (imageLoadStoreSupport) {
169 images.emplace_back(texture2, GrIOType::kRead_GrIOType);
170 images.emplace_back(texture3, GrIOType::kWrite_GrIOType);
171 images.emplace_back(texture4, GrIOType::kRW_GrIOType);
172 }
173 std::unique_ptr<GrMeshDrawOp> op(TestOp::Make());
174 GrPaint paint;
175 auto fp = TestFP::Make(context,
176 std::move(proxies), std::move(buffers), std::move(images));
177 for (int i = 0; i < parentCnt; ++i) {
178 fp = TestFP::Make(std::move(fp));
179 }
180 paint.addColorFragmentProcessor(std::move(fp));
181 renderTargetContext->priv().testingOnly_addMeshDrawOp(
182 std::move(paint), GrAAType::kNone, std::move(op));
183 }
184 int refCnt, readCnt, writeCnt;
185
186 testingOnly_getIORefCnts(proxy1.get(), &refCnt, &readCnt, &writeCnt);
187 REPORTER_ASSERT(reporter, 1 == refCnt);
188 REPORTER_ASSERT(reporter, 1 == readCnt);
189 REPORTER_ASSERT(reporter, 0 == writeCnt);
190
191 if (texelBufferSupport) {
192 testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt);
193 REPORTER_ASSERT(reporter, 1 == refCnt);
194 REPORTER_ASSERT(reporter, 1 == readCnt);
195 REPORTER_ASSERT(reporter, 0 == writeCnt);
196 }
197
198 if (imageLoadStoreSupport) {
199 testingOnly_getIORefCnts(texture2.get(), &refCnt, &readCnt, &writeCnt);
200 REPORTER_ASSERT(reporter, 1 == refCnt);
201 REPORTER_ASSERT(reporter, 1 == readCnt);
202 REPORTER_ASSERT(reporter, 0 == writeCnt);
203
204 testingOnly_getIORefCnts(texture3.get(), &refCnt, &readCnt, &writeCnt);
205 REPORTER_ASSERT(reporter, 1 == refCnt);
206 REPORTER_ASSERT(reporter, 0 == readCnt);
207 REPORTER_ASSERT(reporter, 1 == writeCnt);
208
209 testingOnly_getIORefCnts(texture4.get(), &refCnt, &readCnt, &writeCnt);
210 REPORTER_ASSERT(reporter, 1 == refCnt);
211 REPORTER_ASSERT(reporter, 1 == readCnt);
212 REPORTER_ASSERT(reporter, 1 == writeCnt);
213 }
214
215 context->flush();
216
217 testingOnly_getIORefCnts(proxy1.get(), &refCnt, &readCnt, &writeCnt);
218 REPORTER_ASSERT(reporter, 1 == refCnt);
219 REPORTER_ASSERT(reporter, 0 == readCnt);
220 REPORTER_ASSERT(reporter, 0 == writeCnt);
221
222 if (texelBufferSupport) {
223 testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt);
224 REPORTER_ASSERT(reporter, 1 == refCnt);
225 REPORTER_ASSERT(reporter, 0 == readCnt);
226 REPORTER_ASSERT(reporter, 0 == writeCnt);
227 }
228
229 if (texelBufferSupport) {
230 testingOnly_getIORefCnts(texture2.get(), &refCnt, &readCnt, &writeCnt);
231 REPORTER_ASSERT(reporter, 1 == refCnt);
232 REPORTER_ASSERT(reporter, 0 == readCnt);
233 REPORTER_ASSERT(reporter, 0 == writeCnt);
234
235 testingOnly_getIORefCnts(texture3.get(), &refCnt, &readCnt, &writeCnt);
236 REPORTER_ASSERT(reporter, 1 == refCnt);
237 REPORTER_ASSERT(reporter, 0 == readCnt);
238 REPORTER_ASSERT(reporter, 0 == writeCnt);
239
240 testingOnly_getIORefCnts(texture4.get(), &refCnt, &readCnt, &writeCnt);
241 REPORTER_ASSERT(reporter, 1 == refCnt);
242 REPORTER_ASSERT(reporter, 0 == readCnt);
243 REPORTER_ASSERT(reporter, 0 == writeCnt);
244 }
245 }
246 }
247 }
248
249 // This test uses the random GrFragmentProcessor test factory, which relies on static initializers.
250 #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
251
texel_color(int i,int j)252 static GrColor texel_color(int i, int j) {
253 SkASSERT((unsigned)i < 256 && (unsigned)j < 256);
254 GrColor color = GrColorPackRGBA(j, (uint8_t)(i + j), (uint8_t)(2 * j - i), i);
255 return GrPremulColor(color);
256 }
257
texel_color4f(int i,int j)258 static GrColor4f texel_color4f(int i, int j) { return GrColor4f::FromGrColor(texel_color(i, j)); }
259
test_draw_op(GrRenderTargetContext * rtc,sk_sp<GrFragmentProcessor> fp,sk_sp<GrTextureProxy> inputDataProxy)260 void test_draw_op(GrRenderTargetContext* rtc, sk_sp<GrFragmentProcessor> fp,
261 sk_sp<GrTextureProxy> inputDataProxy) {
262 GrResourceProvider* resourceProvider = rtc->resourceProvider();
263
264 GrPaint paint;
265 paint.addColorTextureProcessor(resourceProvider, std::move(inputDataProxy),
266 nullptr, SkMatrix::I());
267 paint.addColorFragmentProcessor(std::move(fp));
268 paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
269 GrPipelineBuilder pb(std::move(paint), GrAAType::kNone);
270 auto op =
271 GrNonAAFillRectOp::Make(GrColor_WHITE, SkMatrix::I(),
272 SkRect::MakeWH(rtc->width(), rtc->height()), nullptr, nullptr);
273 rtc->addMeshDrawOp(pb, GrNoClip(), std::move(op));
274 }
275
276 #include "SkCommandLineFlags.h"
277 DEFINE_bool(randomProcessorTest, false, "Use non-deterministic seed for random processor tests?");
278
279 #if GR_TEST_UTILS
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ProcessorOptimizationValidationTest,reporter,ctxInfo)280 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ProcessorOptimizationValidationTest, reporter, ctxInfo) {
281 GrContext* context = ctxInfo.grContext();
282 using FPFactory = GrProcessorTestFactory<GrFragmentProcessor>;
283
284 uint32_t seed = 0;
285 if (FLAGS_randomProcessorTest) {
286 std::random_device rd;
287 seed = rd();
288 }
289 // If a non-deterministic bot fails this test, check the output to see what seed it used, then
290 // hard-code that value here:
291 SkRandom random(seed);
292
293 sk_sp<GrRenderTargetContext> rtc = context->makeRenderTargetContext(
294 SkBackingFit::kExact, 256, 256, kRGBA_8888_GrPixelConfig, nullptr);
295 GrSurfaceDesc desc;
296 desc.fWidth = 256;
297 desc.fHeight = 256;
298 desc.fFlags = kRenderTarget_GrSurfaceFlag;
299 desc.fConfig = kRGBA_8888_GrPixelConfig;
300
301 // Put premul data into the RGBA texture that the test FPs can optionally use.
302 std::unique_ptr<GrColor[]> rgbaData(new GrColor[256 * 256]);
303 for (int y = 0; y < 256; ++y) {
304 for (int x = 0; x < 256; ++x) {
305 rgbaData.get()[256 * y + x] =
306 texel_color(random.nextULessThan(256), random.nextULessThan(256));
307 }
308 }
309 sk_sp<GrTexture> tex0(context->resourceProvider()->createTexture(
310 desc, SkBudgeted::kYes, rgbaData.get(), 256 * sizeof(GrColor)));
311
312 // Put random values into the alpha texture that the test FPs can optionally use.
313 desc.fConfig = kAlpha_8_GrPixelConfig;
314 std::unique_ptr<uint8_t[]> alphaData(new uint8_t[256 * 256]);
315 for (int y = 0; y < 256; ++y) {
316 for (int x = 0; x < 256; ++x) {
317 alphaData.get()[256 * y + x] = random.nextULessThan(256);
318 }
319 }
320 sk_sp<GrTexture> tex1(context->resourceProvider()->createTexture(desc, SkBudgeted::kYes,
321 alphaData.get(), 256));
322 GrTexture* textures[] = {tex0.get(), tex1.get()};
323 GrProcessorTestData testData(&random, context, rtc.get(), textures);
324
325 // Use a different array of premul colors for the output of the fragment processor that preceeds
326 // the fragment processor under test.
327 for (int y = 0; y < 256; ++y) {
328 for (int x = 0; x < 256; ++x) {
329 rgbaData.get()[256 * y + x] = texel_color(x, y);
330 }
331 }
332 desc.fConfig = kRGBA_8888_GrPixelConfig;
333
334 sk_sp<GrTextureProxy> dataProxy = GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
335 desc, SkBudgeted::kYes,
336 rgbaData.get(),
337 256 * sizeof(GrColor));
338
339 // Because processors factories configure themselves in random ways, this is not exhaustive.
340 for (int i = 0; i < FPFactory::Count(); ++i) {
341 int timesToInvokeFactory = 5;
342 // Increase the number of attempts if the FP has child FPs since optimizations likely depend
343 // on child optimizations being present.
344 sk_sp<GrFragmentProcessor> fp = FPFactory::MakeIdx(i, &testData);
345 for (int j = 0; j < fp->numChildProcessors(); ++j) {
346 // This value made a reasonable trade off between time and coverage when this test was
347 // written.
348 timesToInvokeFactory *= FPFactory::Count() / 2;
349 }
350 for (int j = 0; j < timesToInvokeFactory; ++j) {
351 fp = FPFactory::MakeIdx(i, &testData);
352 if (!fp->hasConstantOutputForConstantInput() && !fp->preservesOpaqueInput() &&
353 !fp->compatibleWithCoverageAsAlpha()) {
354 continue;
355 }
356 test_draw_op(rtc.get(), fp, dataProxy);
357 memset(rgbaData.get(), 0x0, sizeof(GrColor) * 256 * 256);
358 rtc->readPixels(
359 SkImageInfo::Make(256, 256, kRGBA_8888_SkColorType, kPremul_SkAlphaType),
360 rgbaData.get(), 0, 0, 0);
361 bool passing = true;
362 if (0) { // Useful to see what FPs are being tested.
363 SkString children;
364 for (int c = 0; c < fp->numChildProcessors(); ++c) {
365 if (!c) {
366 children.append("(");
367 }
368 children.append(fp->childProcessor(c).name());
369 children.append(c == fp->numChildProcessors() - 1 ? ")" : ", ");
370 }
371 SkDebugf("%s %s\n", fp->name(), children.c_str());
372 }
373 for (int y = 0; y < 256 && passing; ++y) {
374 for (int x = 0; x < 256 && passing; ++x) {
375 GrColor input = texel_color(x, y);
376 GrColor output = rgbaData.get()[y * 256 + x];
377 if (fp->compatibleWithCoverageAsAlpha()) {
378 // A modulating processor is allowed to modulate either the input color or
379 // just the input alpha.
380 bool legalColorModulation =
381 GrColorUnpackA(output) <= GrColorUnpackA(input) &&
382 GrColorUnpackR(output) <= GrColorUnpackR(input) &&
383 GrColorUnpackG(output) <= GrColorUnpackG(input) &&
384 GrColorUnpackB(output) <= GrColorUnpackB(input);
385 bool legalAlphaModulation =
386 GrColorUnpackA(output) <= GrColorUnpackA(input) &&
387 GrColorUnpackR(output) <= GrColorUnpackA(input) &&
388 GrColorUnpackG(output) <= GrColorUnpackA(input) &&
389 GrColorUnpackB(output) <= GrColorUnpackA(input);
390 if (!legalColorModulation && !legalAlphaModulation) {
391 ERRORF(reporter,
392 "\"Modulating\" processor %s made color/alpha value larger. "
393 "Input: 0x%08x, Output: 0x%08x.",
394 fp->name(), input, output);
395 passing = false;
396 }
397 }
398 GrColor4f input4f = texel_color4f(x, y);
399 GrColor4f output4f = GrColor4f::FromGrColor(output);
400 GrColor4f expected4f;
401 if (fp->hasConstantOutputForConstantInput(input4f, &expected4f)) {
402 float rDiff = fabsf(output4f.fRGBA[0] - expected4f.fRGBA[0]);
403 float gDiff = fabsf(output4f.fRGBA[1] - expected4f.fRGBA[1]);
404 float bDiff = fabsf(output4f.fRGBA[2] - expected4f.fRGBA[2]);
405 float aDiff = fabsf(output4f.fRGBA[3] - expected4f.fRGBA[3]);
406 static constexpr float kTol = 4 / 255.f;
407 if (rDiff > kTol || gDiff > kTol || bDiff > kTol || aDiff > kTol) {
408 ERRORF(reporter,
409 "Processor %s claimed output for const input doesn't match "
410 "actual output. Error: %f, Tolerance: %f, input: (%f, %f, %f, "
411 "%f), actual: (%f, %f, %f, %f), expected(%f, %f, %f, %f)",
412 fp->name(), SkTMax(rDiff, SkTMax(gDiff, SkTMax(bDiff, aDiff))),
413 kTol, input4f.fRGBA[0], input4f.fRGBA[1], input4f.fRGBA[2],
414 input4f.fRGBA[3], output4f.fRGBA[0], output4f.fRGBA[1],
415 output4f.fRGBA[2], output4f.fRGBA[3], expected4f.fRGBA[0],
416 expected4f.fRGBA[1], expected4f.fRGBA[2], expected4f.fRGBA[3]);
417 passing = false;
418 }
419 }
420 if (GrColorIsOpaque(input) && fp->preservesOpaqueInput() &&
421 !GrColorIsOpaque(output)) {
422 ERRORF(reporter,
423 "Processor %s claimed opaqueness is preserved but it is not. Input: "
424 "0x%08x, Output: 0x%08x.",
425 fp->name(), input, output);
426 passing = false;
427 }
428 if (!passing) {
429 ERRORF(reporter, "Seed: 0x%08x, Processor details: %s",
430 seed, fp->dumpInfo().c_str());
431 }
432 }
433 }
434 }
435 }
436 }
437 #endif // GR_TEST_UTILS
438 #endif // SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
439 #endif // SK_SUPPORT_GPU
440