aboutsummaryrefslogtreecommitdiffhomepage
path: root/tests/ClearTest.cpp
blob: 4dba4bbb95a1576e53e5fac3a6aca66694f38666 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
/*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "Test.h"

#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrDrawContext.h"
#include "GrGpu.h"
#include "GrRenderTarget.h"
#include "GrTexture.h"
#include "GrTextureProvider.h"

static bool check_rect(GrDrawContext* dc, const SkIRect& rect, uint32_t expectedValue,
                       uint32_t* actualValue, int* failX, int* failY) {
    GrRenderTarget* rt = dc->accessRenderTarget();
    int w = rect.width();
    int h = rect.height();
    SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
    memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
    rt->readPixels(rect.fLeft, rect.fTop, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
    for (int y = 0; y < h; ++y) {
        for (int x = 0; x < w; ++x) {
            uint32_t pixel = pixels.get()[y * w + x];
            if (pixel != expectedValue) {
                *actualValue = pixel;
                *failX = x + rect.fLeft;
                *failY = y + rect.fTop;
                return false;
            }
        }
    }
    return true;
}

static bool reset_dc(sk_sp<GrDrawContext>* dc, GrContext* context, int w, int h) {
    SkDEBUGCODE(uint32_t oldID = 0;)
    if (*dc) {
        SkDEBUGCODE(oldID = (*dc)->accessRenderTarget()->getUniqueID();)
        dc->reset(nullptr);
    }
    context->freeGpuResources();

    *dc = context->makeDrawContext(SkBackingFit::kExact, w, h, kRGBA_8888_GrPixelConfig, nullptr);

    SkASSERT((*dc)->accessRenderTarget()->getUniqueID() != oldID);

    return *dc != nullptr;
}

DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearBatch, reporter, ctxInfo) {
    GrContext* context = ctxInfo.grContext();
    static const int kW = 10;
    static const int kH = 10;

    SkIRect fullRect = SkIRect::MakeWH(kW, kH);
    sk_sp<GrDrawContext> drawContext;

    // A rectangle that is inset by one on all sides and the 1-pixel wide rectangles that surround
    // it.
    SkIRect mid1Rect = SkIRect::MakeXYWH(1, 1, kW-2, kH-2);
    SkIRect outerLeftEdge = SkIRect::MakeXYWH(0, 0, 1, kH);
    SkIRect outerTopEdge = SkIRect::MakeXYWH(0, 0, kW, 1);
    SkIRect outerRightEdge = SkIRect::MakeXYWH(kW-1, 0, 1, kH);
    SkIRect outerBottomEdge = SkIRect::MakeXYWH(0, kH-1, kW, 1);

    // A rectangle that is inset by two on all sides and the 1-pixel wide rectangles that surround
    // it.
    SkIRect mid2Rect = SkIRect::MakeXYWH(2, 2, kW-4, kH-4);
    SkIRect innerLeftEdge = SkIRect::MakeXYWH(1, 1, 1, kH-2);
    SkIRect innerTopEdge = SkIRect::MakeXYWH(1, 1, kW-2, 1);
    SkIRect innerRightEdge = SkIRect::MakeXYWH(kW-2, 1, 1, kH-2);
    SkIRect innerBottomEdge = SkIRect::MakeXYWH(1, kH-2, kW-2, 1);

    uint32_t actualValue;
    int failX, failY;

    static const GrColor kColor1 = 0xABCDEF01;
    static const GrColor kColor2 = ~kColor1;

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Check a full clear
    drawContext->clear(&fullRect, kColor1, false);
    if (!check_rect(drawContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Check two full clears, same color
    drawContext->clear(&fullRect, kColor1, false);
    drawContext->clear(&fullRect, kColor1, false);
    if (!check_rect(drawContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Check two full clears, different colors
    drawContext->clear(&fullRect, kColor1, false);
    drawContext->clear(&fullRect, kColor2, false);
    if (!check_rect(drawContext.get(), fullRect, kColor2, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Test a full clear followed by a same color inset clear
    drawContext->clear(&fullRect, kColor1, false);
    drawContext->clear(&mid1Rect, kColor1, false);
    if (!check_rect(drawContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Test a inset clear followed by same color full clear
    drawContext->clear(&mid1Rect, kColor1, false);
    drawContext->clear(&fullRect, kColor1, false);
    if (!check_rect(drawContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Test a full clear followed by a different color inset clear
    drawContext->clear(&fullRect, kColor1, false);
    drawContext->clear(&mid1Rect, kColor2, false);
    if (!check_rect(drawContext.get(), mid1Rect, kColor2, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
               failX, failY);
    }
    if (!check_rect(drawContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Test a inset clear followed by a different full clear
    drawContext->clear(&mid1Rect, kColor2, false);
    drawContext->clear(&fullRect, kColor1, false);
    if (!check_rect(drawContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Check three nested clears from largest to smallest where outermost and innermost are same
    // color.
    drawContext->clear(&fullRect, kColor1, false);
    drawContext->clear(&mid1Rect, kColor2, false);
    drawContext->clear(&mid2Rect, kColor1, false);
    if (!check_rect(drawContext.get(), mid2Rect, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }
    if (!check_rect(drawContext.get(), innerLeftEdge, kColor2, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), innerTopEdge, kColor2, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), innerRightEdge, kColor2, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), innerBottomEdge, kColor2, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
               failX, failY);
    }
    if (!check_rect(drawContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }

    if (!reset_dc(&drawContext, context, kW, kH)) {
        ERRORF(reporter, "Could not create draw context.");
        return;
    }
    // Swap the order of the second two clears in the above test.
    drawContext->clear(&fullRect, kColor1, false);
    drawContext->clear(&mid2Rect, kColor1, false);
    drawContext->clear(&mid1Rect, kColor2, false);
    if (!check_rect(drawContext.get(), mid1Rect, kColor2, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
               failX, failY);
    }
    if (!check_rect(drawContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
        !check_rect(drawContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
        ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
               failX, failY);
    }
}
#endif