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