1 /*
2 * Copyright 2015 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 "tests/Test.h"
9 #include "tests/TestUtils.h"
10
11 #include "include/gpu/GrDirectContext.h"
12 #include "src/gpu/GrDirectContextPriv.h"
13 #include "src/gpu/GrProxyProvider.h"
14 #include "src/gpu/GrTexture.h"
15 #include "src/gpu/SkGr.h"
16 #include "src/gpu/SurfaceFillContext.h"
17 #include "src/gpu/effects/GrTextureEffect.h"
18 #ifdef SK_GL
19 #include "src/gpu/gl/GrGLGpu.h"
20 #include "src/gpu/gl/GrGLUtil.h"
21 #endif
22 #include "tools/gpu/ProxyUtils.h"
23
24 // skbug.com/5932
test_basic_draw_as_src(skiatest::Reporter * reporter,GrDirectContext * dContext,GrSurfaceProxyView rectView,GrColorType colorType,SkAlphaType alphaType,uint32_t expectedPixelValues[])25 static void test_basic_draw_as_src(skiatest::Reporter* reporter, GrDirectContext* dContext,
26 GrSurfaceProxyView rectView, GrColorType colorType,
27 SkAlphaType alphaType, uint32_t expectedPixelValues[]) {
28 auto sfc = dContext->priv().makeSFC(
29 {colorType, kPremul_SkAlphaType, nullptr, rectView.dimensions()});
30 for (auto filter : {GrSamplerState::Filter::kNearest, GrSamplerState::Filter::kLinear}) {
31 for (auto mm : {GrSamplerState::MipmapMode::kNone, GrSamplerState::MipmapMode::kLinear}) {
32 sfc->clear(SkPMColor4f::FromBytes_RGBA(0xDDCCBBAA));
33 auto fp = GrTextureEffect::Make(rectView, alphaType, SkMatrix::I(), filter, mm);
34 sfc->fillWithFP(std::move(fp));
35 TestReadPixels(reporter, dContext, sfc.get(), expectedPixelValues,
36 "RectangleTexture-basic-draw");
37 }
38 }
39 }
40
test_clear(skiatest::Reporter * reporter,GrDirectContext * dContext,skgpu::SurfaceContext * rectContext)41 static void test_clear(skiatest::Reporter* reporter, GrDirectContext* dContext,
42 skgpu::SurfaceContext* rectContext) {
43 if (auto sfc = rectContext->asFillContext()) {
44 // Clear the whole thing.
45 GrColor color0 = GrColorPackRGBA(0xA, 0xB, 0xC, 0xD);
46 sfc->clear(SkPMColor4f::FromBytes_RGBA(color0));
47
48 int w = sfc->width();
49 int h = sfc->height();
50 int pixelCnt = w * h;
51 SkAutoTMalloc<uint32_t> expectedPixels(pixelCnt);
52
53 // The clear color is a GrColor, our readback is to kRGBA_8888, which may be different.
54 uint32_t expectedColor0 = 0;
55 uint8_t* expectedBytes0 = reinterpret_cast<uint8_t*>(&expectedColor0);
56 expectedBytes0[0] = GrColorUnpackR(color0);
57 expectedBytes0[1] = GrColorUnpackG(color0);
58 expectedBytes0[2] = GrColorUnpackB(color0);
59 expectedBytes0[3] = GrColorUnpackA(color0);
60 for (int i = 0; i < sfc->width() * sfc->height(); ++i) {
61 expectedPixels.get()[i] = expectedColor0;
62 }
63
64 // Clear the the top to a different color.
65 GrColor color1 = GrColorPackRGBA(0x1, 0x2, 0x3, 0x4);
66 SkIRect rect = SkIRect::MakeWH(w, h/2);
67 sfc->clear(rect, SkPMColor4f::FromBytes_RGBA(color1));
68
69 uint32_t expectedColor1 = 0;
70 uint8_t* expectedBytes1 = reinterpret_cast<uint8_t*>(&expectedColor1);
71 expectedBytes1[0] = GrColorUnpackR(color1);
72 expectedBytes1[1] = GrColorUnpackG(color1);
73 expectedBytes1[2] = GrColorUnpackB(color1);
74 expectedBytes1[3] = GrColorUnpackA(color1);
75
76 for (int y = 0; y < h/2; ++y) {
77 for (int x = 0; x < w; ++x) {
78 expectedPixels.get()[y * h + x] = expectedColor1;
79 }
80 }
81
82 TestReadPixels(reporter, dContext, sfc, expectedPixels.get(), "RectangleTexture-clear");
83 }
84 }
85
test_copy_to_surface(skiatest::Reporter * reporter,GrDirectContext * dContext,skgpu::SurfaceContext * dstContext,const char * testName)86 static void test_copy_to_surface(skiatest::Reporter* reporter,
87 GrDirectContext* dContext,
88 skgpu::SurfaceContext* dstContext,
89 const char* testName) {
90
91 int pixelCnt = dstContext->width() * dstContext->height();
92 SkAutoTMalloc<uint32_t> pixels(pixelCnt);
93 for (int y = 0; y < dstContext->width(); ++y) {
94 for (int x = 0; x < dstContext->height(); ++x) {
95 pixels.get()[y * dstContext->width() + x] =
96 SkColorToPremulGrColor(SkColorSetARGB(2*y, y, x, x * y));
97 }
98 }
99
100 for (auto renderable : {GrRenderable::kNo, GrRenderable::kYes}) {
101 auto origin = dstContext->origin();
102 GrImageInfo info(GrColorType::kRGBA_8888,
103 kPremul_SkAlphaType,
104 nullptr,
105 dstContext->dimensions());
106 GrCPixmap pixmap(info, pixels.get(), dstContext->width()*sizeof(uint32_t));
107 auto srcView = sk_gpu_test::MakeTextureProxyViewFromData(dContext,
108 renderable,
109 origin,
110 pixmap);
111 // If this assert ever fails we can add a fallback to do copy as draw, but until then we can
112 // be more restrictive.
113 SkAssertResult(dstContext->testCopy(srcView.refProxy()));
114 TestReadPixels(reporter, dContext, dstContext, pixels.get(), testName);
115 }
116 }
117
118 #ifdef SK_GL
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture,reporter,ctxInfo)119 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture, reporter, ctxInfo) {
120 auto dContext = ctxInfo.directContext();
121
122 GrProxyProvider* proxyProvider = dContext->priv().proxyProvider();
123 static const int kWidth = 16;
124 static const int kHeight = 16;
125
126 uint32_t pixels[kWidth * kHeight];
127 for (int y = 0; y < kHeight; ++y) {
128 for (int x = 0; x < kWidth; ++x) {
129 pixels[y * kWidth + x] = y * kWidth + x;
130 }
131 }
132 auto ii = SkImageInfo::Make(kWidth, kHeight, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
133 SkPixmap pm(ii, pixels, sizeof(uint32_t)*kWidth);
134
135 for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
136
137 auto format = GrBackendFormat::MakeGL(GR_GL_RGBA8, GR_GL_TEXTURE_RECTANGLE);
138 GrBackendTexture rectangleTex = dContext->createBackendTexture(kWidth,
139 kHeight,
140 format,
141 GrMipmapped::kNo,
142 GrRenderable::kYes);
143 if (!rectangleTex.isValid()) {
144 continue;
145 }
146
147 if (!dContext->updateBackendTexture(rectangleTex, &pm, 1, origin, nullptr, nullptr)) {
148 continue;
149 }
150
151 GrColor refPixels[kWidth * kHeight];
152 for (int y = 0; y < kHeight; ++y) {
153 for (int x = 0; x < kWidth; ++x) {
154 refPixels[y * kWidth + x] = pixels[y * kWidth + x];
155 }
156 }
157
158 sk_sp<GrTextureProxy> rectProxy = proxyProvider->wrapBackendTexture(
159 rectangleTex, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRW_GrIOType);
160
161 if (!rectProxy) {
162 dContext->deleteBackendTexture(rectangleTex);
163 continue;
164 }
165
166 SkASSERT(rectProxy->mipmapped() == GrMipmapped::kNo);
167 SkASSERT(rectProxy->peekTexture()->mipmapped() == GrMipmapped::kNo);
168
169 SkASSERT(rectProxy->textureType() == GrTextureType::kRectangle);
170 SkASSERT(rectProxy->peekTexture()->textureType() == GrTextureType::kRectangle);
171 SkASSERT(rectProxy->hasRestrictedSampling());
172 SkASSERT(rectProxy->peekTexture()->hasRestrictedSampling());
173
174 GrImageInfo grII = ii;
175 GrSwizzle swizzle = dContext->priv().caps()->getReadSwizzle(rectangleTex.getBackendFormat(),
176 grII.colorType());
177 GrSurfaceProxyView view(rectProxy, origin, swizzle);
178
179 test_basic_draw_as_src(reporter, dContext, view, grII.colorType(), kPremul_SkAlphaType,
180 refPixels);
181
182 // Test copy to both a texture and RT
183 TestCopyFromSurface(reporter, dContext, rectProxy, origin, grII.colorType(), refPixels,
184 "RectangleTexture-copy-from");
185
186 auto rectContext = dContext->priv().makeSC(std::move(view), grII.colorInfo());
187 SkASSERT(rectContext);
188
189 TestReadPixels(reporter, dContext, rectContext.get(), refPixels, "RectangleTexture-read");
190
191 test_copy_to_surface(reporter, dContext, rectContext.get(), "RectangleTexture-copy-to");
192
193 TestWritePixels(reporter, dContext, rectContext.get(), true, "RectangleTexture-write");
194
195 test_clear(reporter, dContext, rectContext.get());
196
197 dContext->deleteBackendTexture(rectangleTex);
198 }
199 }
200 #endif
201