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 "Test.h"
9 #include "TestUtils.h"
10
11 #include "GrClip.h"
12 #include "GrContext.h"
13 #include "GrContextPriv.h"
14 #include "GrProxyProvider.h"
15 #include "GrRenderTargetContext.h"
16 #include "GrSurfacePriv.h"
17 #include "GrTexturePriv.h"
18 #include "GrTextureProxyPriv.h"
19 #include "gl/GLTestContext.h"
20 #include "gl/GrGLGpu.h"
21 #include "gl/GrGLUtil.h"
22
23 // skbug.com/5932
test_basic_draw_as_src(skiatest::Reporter * reporter,GrContext * context,sk_sp<GrTextureProxy> rectProxy,uint32_t expectedPixelValues[])24 static void test_basic_draw_as_src(skiatest::Reporter* reporter, GrContext* context,
25 sk_sp<GrTextureProxy> rectProxy, uint32_t expectedPixelValues[]) {
26 GrBackendFormat format = rectProxy->backendFormat().makeTexture2D();
27 SkASSERT(format.isValid());
28 sk_sp<GrRenderTargetContext> rtContext(context->priv().makeDeferredRenderTargetContext(
29 format,
30 SkBackingFit::kExact, rectProxy->width(),
31 rectProxy->height(), rectProxy->config(),
32 nullptr));
33 for (auto filter : {GrSamplerState::Filter::kNearest,
34 GrSamplerState::Filter::kBilerp,
35 GrSamplerState::Filter::kMipMap}) {
36 rtContext->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xDDCCBBAA),
37 GrRenderTargetContext::CanClearFullscreen::kYes);
38 auto fp = GrSimpleTextureEffect::Make(rectProxy, SkMatrix::I(), filter);
39 GrPaint paint;
40 paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
41 paint.addColorFragmentProcessor(std::move(fp));
42 rtContext->drawPaint(GrNoClip(), std::move(paint), SkMatrix::I());
43 test_read_pixels(reporter, rtContext.get(), expectedPixelValues,
44 "RectangleTexture-basic-draw");
45 }
46 }
47
test_clear(skiatest::Reporter * reporter,GrSurfaceContext * rectContext)48 static void test_clear(skiatest::Reporter* reporter, GrSurfaceContext* rectContext) {
49 if (GrRenderTargetContext* rtc = rectContext->asRenderTargetContext()) {
50 // Clear the whole thing.
51 GrColor color0 = GrColorPackRGBA(0xA, 0xB, 0xC, 0xD);
52 rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(color0),
53 GrRenderTargetContext::CanClearFullscreen::kNo);
54
55 int w = rtc->width();
56 int h = rtc->height();
57 int pixelCnt = w * h;
58 SkAutoTMalloc<uint32_t> expectedPixels(pixelCnt);
59
60 // The clear color is a GrColor, our readback is to kRGBA_8888, which may be different.
61 uint32_t expectedColor0 = 0;
62 uint8_t* expectedBytes0 = reinterpret_cast<uint8_t*>(&expectedColor0);
63 expectedBytes0[0] = GrColorUnpackR(color0);
64 expectedBytes0[1] = GrColorUnpackG(color0);
65 expectedBytes0[2] = GrColorUnpackB(color0);
66 expectedBytes0[3] = GrColorUnpackA(color0);
67 for (int i = 0; i < rtc->width() * rtc->height(); ++i) {
68 expectedPixels.get()[i] = expectedColor0;
69 }
70
71 // Clear the the top to a different color.
72 GrColor color1 = GrColorPackRGBA(0x1, 0x2, 0x3, 0x4);
73 SkIRect rect = SkIRect::MakeWH(w, h/2);
74 rtc->clear(&rect, SkPMColor4f::FromBytes_RGBA(color1),
75 GrRenderTargetContext::CanClearFullscreen::kNo);
76
77 uint32_t expectedColor1 = 0;
78 uint8_t* expectedBytes1 = reinterpret_cast<uint8_t*>(&expectedColor1);
79 expectedBytes1[0] = GrColorUnpackR(color1);
80 expectedBytes1[1] = GrColorUnpackG(color1);
81 expectedBytes1[2] = GrColorUnpackB(color1);
82 expectedBytes1[3] = GrColorUnpackA(color1);
83
84 for (int y = 0; y < h/2; ++y) {
85 for (int x = 0; x < w; ++x) {
86 expectedPixels.get()[y * h + x] = expectedColor1;
87 }
88 }
89
90 test_read_pixels(reporter, rtc, expectedPixels.get(), "RectangleTexture-clear");
91 }
92 }
93
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture,reporter,ctxInfo)94 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture, reporter, ctxInfo) {
95 GrContext* context = ctxInfo.grContext();
96 GrProxyProvider* proxyProvider = context->priv().proxyProvider();
97 sk_gpu_test::GLTestContext* glContext = ctxInfo.glContext();
98 static const int kWidth = 13;
99 static const int kHeight = 13;
100
101 GrColor pixels[kWidth * kHeight];
102 for (int y = 0; y < kHeight; ++y) {
103 for (int x = 0; x < kWidth; ++x) {
104 pixels[y * kWidth + x] = y * kWidth + x;
105 }
106 }
107
108 for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
109 bool useBLOrigin = kBottomLeft_GrSurfaceOrigin == origin;
110
111 GrGLuint rectTexID = glContext->createTextureRectangle(kWidth, kHeight, GR_GL_RGBA,
112 GR_GL_RGBA, GR_GL_UNSIGNED_BYTE,
113 pixels);
114
115 if (!rectTexID) {
116 return;
117 }
118
119 // Let GrContext know that we messed with the GL context directly.
120 context->resetContext();
121
122 // Wrap the rectangle texture ID in a GrTexture
123 GrGLTextureInfo rectangleInfo;
124 rectangleInfo.fID = rectTexID;
125 rectangleInfo.fTarget = GR_GL_TEXTURE_RECTANGLE;
126
127 GrBackendTexture rectangleTex(kWidth, kHeight, GrMipMapped::kNo, rectangleInfo);
128 rectangleTex.setPixelConfig(kRGBA_8888_GrPixelConfig);
129
130 GrColor refPixels[kWidth * kHeight];
131 for (int y = 0; y < kHeight; ++y) {
132 for (int x = 0; x < kWidth; ++x) {
133 int y0 = useBLOrigin ? kHeight - y - 1 : y;
134 refPixels[y * kWidth + x] = pixels[y0 * kWidth + x];
135 }
136 }
137
138 sk_sp<GrTextureProxy> rectProxy = proxyProvider->wrapBackendTexture(
139 rectangleTex, origin, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRW_GrIOType);
140
141 if (!rectProxy) {
142 ERRORF(reporter, "Error creating proxy for rectangle texture.");
143 GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID));
144 continue;
145 }
146
147 SkASSERT(rectProxy->mipMapped() == GrMipMapped::kNo);
148 SkASSERT(rectProxy->peekTexture()->texturePriv().mipMapped() == GrMipMapped::kNo);
149
150 SkASSERT(rectProxy->textureType() == GrTextureType::kRectangle);
151 SkASSERT(rectProxy->peekTexture()->texturePriv().textureType() ==
152 GrTextureType::kRectangle);
153 SkASSERT(rectProxy->hasRestrictedSampling());
154 SkASSERT(rectProxy->peekTexture()->texturePriv().hasRestrictedSampling());
155
156 test_basic_draw_as_src(reporter, context, rectProxy, refPixels);
157
158 // Test copy to both a texture and RT
159 test_copy_from_surface(reporter, context, rectProxy.get(), refPixels,
160 false, "RectangleTexture-copy-from");
161
162 sk_sp<GrSurfaceContext> rectContext = context->priv().makeWrappedSurfaceContext(
163 std::move(rectProxy));
164 SkASSERT(rectContext);
165
166 test_read_pixels(reporter, rectContext.get(), refPixels, "RectangleTexture-read");
167
168 test_copy_to_surface(reporter, context, rectContext.get(), "RectangleTexture-copy-to");
169
170 test_write_pixels(reporter, rectContext.get(), true, "RectangleTexture-write");
171
172 test_clear(reporter, rectContext.get());
173
174 GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID));
175 }
176 }
177