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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkGradientShader.h"
#include "SkPaint.h"
#include "SkPatchGrid.h"
#include "SkString.h"
/**
* This bench measures the rendering time of a gridof patches.
* This bench also tests the different combination of optional parameters for the function
* (passing texture coordinates and colors, only textures coordinates, only colors or none).
* Finally, it also has 3 possible sizes small, medium and big to test if the size of the patches
* in the grid affects time.
*/
class PatchGridBench : public Benchmark {
public:
enum Size {
kSmall_Size,
kMedium_Size,
kBig_Size
};
enum VertexMode {
kNone_VertexMode,
kColors_VertexMode,
kTexCoords_VertexMode,
kBoth_VertexMode
};
PatchGridBench(Size size, VertexMode vertexMode)
: fVertexMode(vertexMode)
, fSize(size) { }
void setScale(SkCanvas* canvas){
switch (fSize) {
case kSmall_Size:
canvas->scale(0.1f, 0.1f);
break;
case kMedium_Size:
canvas->scale(1.0f, 1.0f);
break;
case kBig_Size:
canvas->scale(3.0f, 3.0f);
break;
}
}
void setGrid() {
SkPoint vertices[4][5] = {
{{50,50}, {150,50}, {250,50},{350,50},{450,50}},
{{50,150}, {120,120}, {250,150},{350,150},{450,150}},
{{50,250}, {150,250}, {250,250},{350,250},{450,250}},
{{100,300}, {150,350}, {250,350},{350,350},{450,350}}
};
SkColor cornerColors[4][5] = {
{SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE},
{SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED},
{SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE},
{SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED},
};
SkPoint texCoords[4][5] = {
{{0.0f,0.0f}, {1.0f,0.0f}, {2.0f,0.0f}, {3.0f,0.0f}, {4.0f,0.0f}},
{{0.0f,1.0f}, {1.0f,1.0f}, {2.0f,1.0f}, {3.0f,1.0f}, {4.0f,1.0f}},
{{0.0f,2.0f}, {1.0f,2.0f}, {2.0f,2.0f}, {3.0f,2.0f}, {4.0f,2.0f}},
{{0.0f,3.0f}, {1.0f,3.0f}, {2.0f,3.0f}, {3.0f,3.0f}, {4.0f,3.0f}},
};
SkPoint hrzCtrl[4][8] = {
{{75,30},{125,45},{175,70},{225,20},{275,50},{325,50},{375,5},{425,90}},
{{75,150},{125,150},{175,150},{225,150},{275,150},{325,150},{375,150},{425,150}},
{{75,250},{125,250},{175,250},{225,250},{275,200},{325,150},{375,250},{425,250}},
{{75,350},{125,350},{175,350},{225,350},{275,350},{325,350},{375,350},{425,350}}
};
SkPoint vrtCtrl[6][5] = {
{{50,75},{150,75},{250,75},{350,75},{450,75}},
{{50,125},{150,125},{250,125},{350,125},{450,125}},
{{50,175},{150,175},{220,225},{350,175},{470,225}},
{{50,225},{150,225},{220,175},{350,225},{470,155}},
{{50,275},{150,275},{250,275},{350,275},{400,305}},
{{50,325},{150,325},{250,325},{350,325},{450,325}}
};
static const int kRows = 3;
static const int kCols = 4;
fGrid.reset(kRows, kCols, SkPatchGrid::kColors_VertexType, nullptr);
for (int i = 0; i < kRows; i++) {
for (int j = 0; j < kCols; j++) {
SkPoint points[12];
//set corners
points[SkPatchUtils::kTopP0_CubicCtrlPts] = vertices[i][j];
points[SkPatchUtils::kTopP3_CubicCtrlPts] = vertices[i][j + 1];
points[SkPatchUtils::kBottomP0_CubicCtrlPts] = vertices[i + 1][j];
points[SkPatchUtils::kBottomP3_CubicCtrlPts] = vertices[i + 1][j + 1];
points[SkPatchUtils::kTopP1_CubicCtrlPts] = hrzCtrl[i][j * 2];
points[SkPatchUtils::kTopP2_CubicCtrlPts] = hrzCtrl[i][j * 2 + 1];
points[SkPatchUtils::kBottomP1_CubicCtrlPts] = hrzCtrl[i + 1][j * 2];
points[SkPatchUtils::kBottomP2_CubicCtrlPts] = hrzCtrl[i + 1][j * 2 + 1];
points[SkPatchUtils::kLeftP1_CubicCtrlPts] = vrtCtrl[i * 2][j];
points[SkPatchUtils::kLeftP2_CubicCtrlPts] = vrtCtrl[i * 2 + 1][j];
points[SkPatchUtils::kRightP1_CubicCtrlPts] = vrtCtrl[i * 2][j + 1];
points[SkPatchUtils::kRightP2_CubicCtrlPts] = vrtCtrl[i * 2 + 1][j + 1];
SkColor colors[4];
colors[0] = cornerColors[i][j];
colors[1] = cornerColors[i][j + 1];
colors[3] = cornerColors[i + 1][j];
colors[2] = cornerColors[i + 1][j + 1];
SkPoint texs[4];
texs[0] = texCoords[i][j];
texs[1] = texCoords[i][j + 1];
texs[3] = texCoords[i + 1][j];
texs[2] = texCoords[i + 1][j + 1];
switch (fVertexMode) {
case kNone_VertexMode:
fGrid.setPatch(j, i, points, nullptr, nullptr);
break;
case kColors_VertexMode:
fGrid.setPatch(j, i, points, colors, nullptr);
break;
case kTexCoords_VertexMode:
fGrid.setPatch(j, i, points, nullptr, texs);
break;
case kBoth_VertexMode:
fGrid.setPatch(j, i, points, colors, texs);
break;
default:
break;
}
}
}
}
// override this method to change the shader
sk_sp<SkShader> createShader() {
const SkColor colors[] = {
SK_ColorRED, SK_ColorCYAN, SK_ColorGREEN, SK_ColorWHITE,
SK_ColorMAGENTA, SK_ColorBLUE, SK_ColorYELLOW,
};
const SkPoint pts[] = { { 200.f / 4.f, 0.f }, { 3.f * 200.f / 4, 200.f } };
return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
SkShader::kMirror_TileMode);
}
protected:
const char* onGetName() override {
SkString vertexMode;
switch (fVertexMode) {
case kNone_VertexMode:
vertexMode.set("meshlines");
break;
case kColors_VertexMode:
vertexMode.set("colors");
break;
case kTexCoords_VertexMode:
vertexMode.set("texs");
break;
case kBoth_VertexMode:
vertexMode.set("colors_texs");
break;
default:
break;
}
SkString size;
switch (fSize) {
case kSmall_Size:
size.set("small");
break;
case kMedium_Size:
size.set("medium");
break;
case kBig_Size:
size.set("big");
break;
default:
break;
}
fName.printf("patch_grid_%s_%s", vertexMode.c_str(), size.c_str());
return fName.c_str();
}
void onDelayedSetup() override {
this->setGrid();
switch (fVertexMode) {
case kTexCoords_VertexMode:
case kBoth_VertexMode:
fPaint.setShader(createShader());
break;
default:
fPaint.setShader(nullptr);
break;
}
this->setupPaint(&fPaint);
}
void onDraw(int loops, SkCanvas* canvas) override {
this->setScale(canvas);
for (int i = 0; i < loops; i++) {
fGrid.draw(canvas, fPaint);
}
}
SkPaint fPaint;
SkString fName;
SkPatchGrid fGrid;
VertexMode fVertexMode;
Size fSize;
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size,
PatchGridBench::kNone_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size,
PatchGridBench::kColors_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size,
PatchGridBench::kTexCoords_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size,
PatchGridBench::kBoth_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size,
PatchGridBench::kNone_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size,
PatchGridBench::kColors_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size,
PatchGridBench::kTexCoords_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size,
PatchGridBench::kBoth_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size,
PatchGridBench::kNone_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size,
PatchGridBench::kColors_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size,
PatchGridBench::kTexCoords_VertexMode); )
DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size,
PatchGridBench::kBoth_VertexMode); )
|