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 "Test.h"
9
10 #if SK_SUPPORT_GPU
11 #include "GrContext.h"
12 #include "GrDrawContext.h"
13 #include "GrGpu.h"
14 #include "GrRenderTarget.h"
15 #include "GrTexture.h"
16 #include "GrTextureProvider.h"
17
check_rect(GrDrawContext * dc,const SkIRect & rect,uint32_t expectedValue,uint32_t * actualValue,int * failX,int * failY)18 static bool check_rect(GrDrawContext* dc, const SkIRect& rect, uint32_t expectedValue,
19 uint32_t* actualValue, int* failX, int* failY) {
20 GrRenderTarget* rt = dc->accessRenderTarget();
21 int w = rect.width();
22 int h = rect.height();
23 SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
24 memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
25 rt->readPixels(rect.fLeft, rect.fTop, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
26 for (int y = 0; y < h; ++y) {
27 for (int x = 0; x < w; ++x) {
28 uint32_t pixel = pixels.get()[y * w + x];
29 if (pixel != expectedValue) {
30 *actualValue = pixel;
31 *failX = x + rect.fLeft;
32 *failY = y + rect.fTop;
33 return false;
34 }
35 }
36 }
37 return true;
38 }
39
40 // We only really need the DC, but currently the DC doesn't own the RT so we also ref it, but that
41 // could be dropped when DC is a proper owner of its RT.
reset_dc(SkAutoTUnref<GrDrawContext> * dc,SkAutoTUnref<GrSurface> * rtKeepAlive,GrContext * context,int w,int h)42 static bool reset_dc(SkAutoTUnref<GrDrawContext>* dc, SkAutoTUnref<GrSurface>* rtKeepAlive,
43 GrContext* context, int w, int h) {
44 SkDEBUGCODE(uint32_t oldID = 0;)
45 if (*dc) {
46 SkDEBUGCODE(oldID = (*dc)->accessRenderTarget()->getUniqueID();)
47 rtKeepAlive->reset(nullptr);
48 dc->reset(nullptr);
49 }
50 context->freeGpuResources();
51
52 GrTextureDesc desc;
53 desc.fWidth = w;
54 desc.fHeight = h;
55 desc.fConfig = kRGBA_8888_GrPixelConfig;
56 desc.fFlags = kRenderTarget_GrSurfaceFlag;
57
58 rtKeepAlive->reset(context->textureProvider()->createTexture(desc, SkBudgeted::kYes));
59 if (!(*rtKeepAlive)) {
60 return false;
61 }
62 GrRenderTarget* rt = (*rtKeepAlive)->asRenderTarget();
63 SkASSERT(rt->getUniqueID() != oldID);
64 dc->reset(context->drawContext(rt));
65 return SkToBool(*dc);
66 }
67
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearBatch,reporter,context)68 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearBatch, reporter, context) {
69 static const int kW = 10;
70 static const int kH = 10;
71
72 SkIRect fullRect = SkIRect::MakeWH(kW, kH);
73 SkAutoTUnref<GrDrawContext> drawContext;
74 SkAutoTUnref<GrSurface> rtKeepAlive;
75
76 // A rectangle that is inset by one on all sides and the 1-pixel wide rectangles that surround
77 // it.
78 SkIRect mid1Rect = SkIRect::MakeXYWH(1, 1, kW-2, kH-2);
79 SkIRect outerLeftEdge = SkIRect::MakeXYWH(0, 0, 1, kH);
80 SkIRect outerTopEdge = SkIRect::MakeXYWH(0, 0, kW, 1);
81 SkIRect outerRightEdge = SkIRect::MakeXYWH(kW-1, 0, 1, kH);
82 SkIRect outerBottomEdge = SkIRect::MakeXYWH(0, kH-1, kW, 1);
83
84 // A rectangle that is inset by two on all sides and the 1-pixel wide rectangles that surround
85 // it.
86 SkIRect mid2Rect = SkIRect::MakeXYWH(2, 2, kW-4, kH-4);
87 SkIRect innerLeftEdge = SkIRect::MakeXYWH(1, 1, 1, kH-2);
88 SkIRect innerTopEdge = SkIRect::MakeXYWH(1, 1, kW-2, 1);
89 SkIRect innerRightEdge = SkIRect::MakeXYWH(kW-2, 1, 1, kH-2);
90 SkIRect innerBottomEdge = SkIRect::MakeXYWH(1, kH-2, kW-2, 1);
91
92 uint32_t actualValue;
93 int failX, failY;
94
95 static const GrColor kColor1 = 0xABCDEF01;
96 static const GrColor kColor2 = ~kColor1;
97
98 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
99 ERRORF(reporter, "Could not create draw context.");
100 return;
101 }
102 // Check a full clear
103 drawContext->clear(&fullRect, kColor1, false);
104 if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
105 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
106 failX, failY);
107 }
108
109 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
110 ERRORF(reporter, "Could not create draw context.");
111 return;
112 }
113 // Check two full clears, same color
114 drawContext->clear(&fullRect, kColor1, false);
115 drawContext->clear(&fullRect, kColor1, false);
116 if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
117 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
118 failX, failY);
119 }
120
121 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
122 ERRORF(reporter, "Could not create draw context.");
123 return;
124 }
125 // Check two full clears, different colors
126 drawContext->clear(&fullRect, kColor1, false);
127 drawContext->clear(&fullRect, kColor2, false);
128 if (!check_rect(drawContext, fullRect, kColor2, &actualValue, &failX, &failY)) {
129 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
130 failX, failY);
131 }
132
133 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
134 ERRORF(reporter, "Could not create draw context.");
135 return;
136 }
137 // Test a full clear followed by a same color inset clear
138 drawContext->clear(&fullRect, kColor1, false);
139 drawContext->clear(&mid1Rect, kColor1, false);
140 if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
141 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
142 failX, failY);
143 }
144
145 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
146 ERRORF(reporter, "Could not create draw context.");
147 return;
148 }
149 // Test a inset clear followed by same color full clear
150 drawContext->clear(&mid1Rect, kColor1, false);
151 drawContext->clear(&fullRect, kColor1, false);
152 if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
153 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
154 failX, failY);
155 }
156
157 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
158 ERRORF(reporter, "Could not create draw context.");
159 return;
160 }
161 // Test a full clear followed by a different color inset clear
162 drawContext->clear(&fullRect, kColor1, false);
163 drawContext->clear(&mid1Rect, kColor2, false);
164 if (!check_rect(drawContext, mid1Rect, kColor2, &actualValue, &failX, &failY)) {
165 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
166 failX, failY);
167 }
168 if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
169 !check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
170 !check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
171 !check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
172 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
173 failX, failY);
174 }
175
176 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
177 ERRORF(reporter, "Could not create draw context.");
178 return;
179 }
180 // Test a inset clear followed by a different full clear
181 drawContext->clear(&mid1Rect, kColor2, false);
182 drawContext->clear(&fullRect, kColor1, false);
183 if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
184 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
185 failX, failY);
186 }
187
188 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
189 ERRORF(reporter, "Could not create draw context.");
190 return;
191 }
192 // Check three nested clears from largest to smallest where outermost and innermost are same
193 // color.
194 drawContext->clear(&fullRect, kColor1, false);
195 drawContext->clear(&mid1Rect, kColor2, false);
196 drawContext->clear(&mid2Rect, kColor1, false);
197 if (!check_rect(drawContext, mid2Rect, kColor1, &actualValue, &failX, &failY)) {
198 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
199 failX, failY);
200 }
201 if (!check_rect(drawContext, innerLeftEdge, kColor2, &actualValue, &failX, &failY) ||
202 !check_rect(drawContext, innerTopEdge, kColor2, &actualValue, &failX, &failY) ||
203 !check_rect(drawContext, innerRightEdge, kColor2, &actualValue, &failX, &failY) ||
204 !check_rect(drawContext, innerBottomEdge, kColor2, &actualValue, &failX, &failY)) {
205 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
206 failX, failY);
207 }
208 if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
209 !check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
210 !check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
211 !check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
212 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
213 failX, failY);
214 }
215
216 if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
217 ERRORF(reporter, "Could not create draw context.");
218 return;
219 }
220 // Swap the order of the second two clears in the above test.
221 drawContext->clear(&fullRect, kColor1, false);
222 drawContext->clear(&mid2Rect, kColor1, false);
223 drawContext->clear(&mid1Rect, kColor2, false);
224 if (!check_rect(drawContext, mid1Rect, kColor2, &actualValue, &failX, &failY)) {
225 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
226 failX, failY);
227 }
228 if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
229 !check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
230 !check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
231 !check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
232 ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
233 failX, failY);
234 }
235 }
236 #endif
237