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skia2/bench/CompositingImagesBench.cpp
Kevin Lubick 5e8f45faf1 [includes] Prepare for moving SkColorSpace to forward declare 
This updates all our callsites in preparation for removing
the #include "include/core/SkColorSpace.h" from SkImageInfo.h

According to go/chrome-includes [1], this will save ~150MB
(0.07%) from the compilation size. I think SkColorSpace is
a big include because it loads the skcms header, which is
big.

The follow-on CL will remove that link, once clients have
been updated as well.

[1] https://commondatastorage.googleapis.com/chromium-browser-clang/chrome_includes_2022-03-31_124042.html#view=edges&filter=%5Ethird_party%2Fskia%2Finclude%2Fcore%2FSkImageInfo%5C.h%24&sort=asize&reverse=&includer=%5Ethird_party%2Fskia%2Finclude%2Fcore%2FSkImageInfo%5C.h%24&included=&limit=1000

Change-Id: I1b5ff491ac495317b0e5af3a2082b080d43697ae
Bug: skia:13052
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/525639
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Florin Malita <fmalita@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
2022-03-31 19:50:10 +00:00

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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <memory>
#include "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkImage.h"
#include "include/core/SkSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "include/private/SkTemplates.h"
#include "include/utils/SkRandom.h"
enum class ClampingMode {
// Submit image set entries with the fast constraint
kAlwaysFast,
// Submit image set entries with the strict constraint
kAlwaysStrict,
// Submit non-right/bottom tiles as fast, the bottom-right corner as strict, and bottom or right
// edge tiles as strict with geometry modification to match content area. These will be
// submitted from left-to-right, top-to-bottom so will necessarily be split into many batches.
kChromeTiling_RowMajor,
// As above, but group all fast tiles first, then bottom and right edge tiles in a second batch.
kChromeTiling_Optimal
};
enum class TransformMode {
// Tiles will be axis aligned on integer pixels
kNone,
// Subpixel, tiles will be axis aligned but adjusted to subpixel coordinates
kSubpixel,
// Rotated, tiles will be rotated globally; they won't overlap but their device space bounds may
kRotated,
// Perspective, tiles will have global perspective
kPerspective
};
/**
* Simulates drawing layers images in a grid a la a tile based compositor.
*/
class CompositingImages : public Benchmark {
public:
CompositingImages(SkISize imageSize, SkISize tileSize, SkISize tileGridSize,
ClampingMode clampMode, TransformMode transformMode, int layerCnt)
: fImageSize(imageSize)
, fTileSize(tileSize)
, fTileGridSize(tileGridSize)
, fClampMode(clampMode)
, fTransformMode(transformMode)
, fLayerCnt(layerCnt) {
fName.appendf("compositing_images_tile_size_%dx%d_grid_%dx%d_layers_%d",
fTileSize.fWidth, fTileSize.fHeight, fTileGridSize.fWidth,
fTileGridSize.fHeight, fLayerCnt);
if (imageSize != tileSize) {
fName.appendf("_image_%dx%d", imageSize.fWidth, imageSize.fHeight);
}
switch(clampMode) {
case ClampingMode::kAlwaysFast:
fName.append("_fast");
break;
case ClampingMode::kAlwaysStrict:
fName.append("_strict");
break;
case ClampingMode::kChromeTiling_RowMajor:
fName.append("_chrome");
break;
case ClampingMode::kChromeTiling_Optimal:
fName.append("_chrome_optimal");
break;
}
switch(transformMode) {
case TransformMode::kNone:
break;
case TransformMode::kSubpixel:
fName.append("_subpixel");
break;
case TransformMode::kRotated:
fName.append("_rotated");
break;
case TransformMode::kPerspective:
fName.append("_persp");
break;
}
}
bool isSuitableFor(Backend backend) override { return kGPU_Backend == backend; }
protected:
const char* onGetName() override { return fName.c_str(); }
void onPerCanvasPreDraw(SkCanvas* canvas) override {
// Use image size, which may be larger than the tile size (emulating how Chrome specifies
// their tiles).
auto ii = SkImageInfo::Make(fImageSize.fWidth, fImageSize.fHeight, kRGBA_8888_SkColorType,
kPremul_SkAlphaType, nullptr);
SkRandom random;
int numImages = fLayerCnt * fTileGridSize.fWidth * fTileGridSize.fHeight;
fImages = std::make_unique<sk_sp<SkImage>[]>(numImages);
for (int i = 0; i < numImages; ++i) {
auto surf = canvas->makeSurface(ii);
SkColor color = random.nextU();
surf->getCanvas()->clear(color);
SkPaint paint;
paint.setColor(~color);
paint.setBlendMode(SkBlendMode::kSrc);
// While the image may be bigger than fTileSize, prepare its content as if fTileSize
// is what will be visible.
surf->getCanvas()->drawRect(
SkRect::MakeLTRB(3, 3, fTileSize.fWidth - 3, fTileSize.fHeight - 3), paint);
fImages[i] = surf->makeImageSnapshot();
}
}
void onPerCanvasPostDraw(SkCanvas*) override { fImages.reset(); }
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
paint.setAntiAlias(true);
SkSamplingOptions sampling(SkFilterMode::kLinear);
canvas->save();
canvas->concat(this->getTransform());
for (int loop = 0; loop < loops; ++loop) {
for (int l = 0; l < fLayerCnt; ++l) {
SkAutoTArray<SkCanvas::ImageSetEntry> set(
fTileGridSize.fWidth * fTileGridSize.fHeight);
if (fClampMode == ClampingMode::kAlwaysFast ||
fClampMode == ClampingMode::kAlwaysStrict) {
// Simple 2D for loop, submit everything as a single batch
int i = 0;
for (int y = 0; y < fTileGridSize.fHeight; ++y) {
for (int x = 0; x < fTileGridSize.fWidth; ++x) {
set[i++] = this->getEntry(x, y, l);
}
}
SkCanvas::SrcRectConstraint constraint =
fClampMode == ClampingMode::kAlwaysFast
? SkCanvas::kFast_SrcRectConstraint
: SkCanvas::kStrict_SrcRectConstraint;
canvas->experimental_DrawEdgeAAImageSet(set.get(), i, nullptr, nullptr,
sampling, &paint, constraint);
} else if (fClampMode == ClampingMode::kChromeTiling_RowMajor) {
// Same tile order, but break batching between fast and strict sections, and
// adjust bottom and right tiles to encode content area distinct from src rect.
int i = 0;
for (int y = 0; y < fTileGridSize.fHeight - 1; ++y) {
int rowStart = i;
for (int x = 0; x < fTileGridSize.fWidth - 1; ++x) {
set[i++] = this->getEntry(x, y, l);
}
// Flush "fast" horizontal row
canvas->experimental_DrawEdgeAAImageSet(set.get() + rowStart,
fTileGridSize.fWidth - 1, nullptr, nullptr, sampling, &paint,
SkCanvas::kFast_SrcRectConstraint);
// Then flush a single adjusted entry for the right edge
SkPoint dstQuad[4];
set[i++] = this->getAdjustedEntry(fTileGridSize.fWidth - 1, y, l, dstQuad);
canvas->experimental_DrawEdgeAAImageSet(
set.get() + fTileGridSize.fWidth - 1, 1, dstQuad, nullptr, sampling,
&paint, SkCanvas::kStrict_SrcRectConstraint);
}
// For last row, accumulate it as a single strict batch
int rowStart = i;
SkAutoTArray<SkPoint> dstQuads(4 * (fTileGridSize.fWidth - 1));
for (int x = 0; x < fTileGridSize.fWidth - 1; ++x) {
set[i++] = this->getAdjustedEntry(x, fTileGridSize.fHeight - 1, l,
dstQuads.get() + x * 4);
}
// The corner can use conventional strict mode without geometric adjustment
set[i++] = this->getEntry(
fTileGridSize.fWidth - 1, fTileGridSize.fHeight - 1, l);
canvas->experimental_DrawEdgeAAImageSet(set.get() + rowStart,
fTileGridSize.fWidth, dstQuads.get(), nullptr, sampling, &paint,
SkCanvas::kStrict_SrcRectConstraint);
} else {
SkASSERT(fClampMode == ClampingMode::kChromeTiling_Optimal);
int i = 0;
// Interior fast tiles
for (int y = 0; y < fTileGridSize.fHeight - 1; ++y) {
for (int x = 0; x < fTileGridSize.fWidth - 1; ++x) {
set[i++] = this->getEntry(x, y, l);
}
}
canvas->experimental_DrawEdgeAAImageSet(set.get(), i, nullptr, nullptr,
sampling, &paint,
SkCanvas::kFast_SrcRectConstraint);
// Right edge
int strictStart = i;
SkAutoTArray<SkPoint> dstQuads(
4 * (fTileGridSize.fWidth + fTileGridSize.fHeight - 2));
for (int y = 0; y < fTileGridSize.fHeight - 1; ++y) {
set[i++] = this->getAdjustedEntry(fTileGridSize.fWidth - 1, y, l,
dstQuads.get() + y * 4);
}
canvas->experimental_DrawEdgeAAImageSet(set.get() + strictStart,
i - strictStart, dstQuads.get(), nullptr, sampling, &paint,
SkCanvas::kStrict_SrcRectConstraint);
int quadStart = 4 * (fTileGridSize.fHeight - 1);
strictStart = i;
for (int x = 0; x < fTileGridSize.fWidth - 1; ++x) {
set[i++] = this->getAdjustedEntry(x, fTileGridSize.fHeight - 1, l,
dstQuads.get() + quadStart + x * 4);
}
set[i++] = this->getEntry(
fTileGridSize.fWidth - 1, fTileGridSize.fHeight - 1, l);
canvas->experimental_DrawEdgeAAImageSet(set.get() + strictStart,
i - strictStart, dstQuads.get() + quadStart, nullptr, sampling, &paint,
SkCanvas::kStrict_SrcRectConstraint);
}
}
// Prevent any batching between composited "frames".
auto surface = canvas->getSurface();
if (surface) {
surface->flush();
}
}
canvas->restore();
}
private:
SkMatrix getTransform() const {
SkMatrix m;
switch(fTransformMode) {
case TransformMode::kNone:
m.setIdentity();
break;
case TransformMode::kSubpixel:
m.setTranslate(0.5f, 0.5f);
break;
case TransformMode::kRotated:
m.setRotate(15.f);
break;
case TransformMode::kPerspective: {
m.setIdentity();
m.setPerspY(0.001f);
m.setSkewX(SkIntToScalar(8) / 25);
break;
}
}
return m;
}
SkIPoint onGetSize() override {
SkRect size = SkRect::MakeWH(1.25f * fTileSize.fWidth * fTileGridSize.fWidth,
1.25f * fTileSize.fHeight * fTileGridSize.fHeight);
this->getTransform().mapRect(&size);
return SkIPoint::Make(SkScalarCeilToInt(size.width()), SkScalarCeilToInt(size.height()));
}
unsigned getEdgeFlags(int x, int y) const {
unsigned flags = SkCanvas::kNone_QuadAAFlags;
if (x == 0) {
flags |= SkCanvas::kLeft_QuadAAFlag;
} else if (x == fTileGridSize.fWidth - 1) {
flags |= SkCanvas::kRight_QuadAAFlag;
}
if (y == 0) {
flags |= SkCanvas::kTop_QuadAAFlag;
} else if (y == fTileGridSize.fHeight - 1) {
flags |= SkCanvas::kBottom_QuadAAFlag;
}
return flags;
}
SkCanvas::ImageSetEntry getEntry(int x, int y, int layer) const {
int imageIdx =
fTileGridSize.fWidth * fTileGridSize.fHeight * layer + fTileGridSize.fWidth * y + x;
SkRect srcRect = SkRect::Make(fTileSize);
// Make a non-identity transform between src and dst so bilerp isn't disabled.
float dstWidth = srcRect.width() * 1.25f;
float dstHeight = srcRect.height() * 1.25f;
SkRect dstRect = SkRect::MakeXYWH(dstWidth * x, dstHeight * y, dstWidth, dstHeight);
return SkCanvas::ImageSetEntry(fImages[imageIdx], srcRect, dstRect, 1.f,
this->getEdgeFlags(x, y));
}
SkCanvas::ImageSetEntry getAdjustedEntry(int x, int y, int layer, SkPoint dstQuad[4]) const {
SkASSERT(x == fTileGridSize.fWidth - 1 || y == fTileGridSize.fHeight - 1);
SkCanvas::ImageSetEntry entry = this->getEntry(x, y, layer);
SkRect contentRect = SkRect::Make(fImageSize);
if (x == fTileGridSize.fWidth - 1) {
// Right edge, so restrict horizontal content to tile width
contentRect.fRight = fTileSize.fWidth;
}
if (y == fTileGridSize.fHeight - 1) {
// Bottom edge, so restrict vertical content to tile height
contentRect.fBottom = fTileSize.fHeight;
}
SkMatrix srcToDst = SkMatrix::RectToRect(entry.fSrcRect, entry.fDstRect);
// Story entry's dstRect into dstQuad, and use contentRect and contentDst as its src and dst
entry.fDstRect.toQuad(dstQuad);
entry.fSrcRect = contentRect;
entry.fDstRect = srcToDst.mapRect(contentRect);
entry.fHasClip = true;
return entry;
}
std::unique_ptr<sk_sp<SkImage>[]> fImages;
SkString fName;
SkISize fImageSize;
SkISize fTileSize;
SkISize fTileGridSize;
ClampingMode fClampMode;
TransformMode fTransformMode;
int fLayerCnt;
using INHERITED = Benchmark;
};
// Subpixel = false; all of the draw commands align with integer pixels so AA will be automatically
// turned off within the operation
DEF_BENCH(return new CompositingImages({256, 256}, {256, 256}, {8, 8}, ClampingMode::kAlwaysFast, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {512, 512}, {4, 4}, ClampingMode::kAlwaysFast, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({1024, 512}, {1024, 512}, {2, 4}, ClampingMode::kAlwaysFast, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({256, 256}, {256, 256}, {8, 8}, ClampingMode::kAlwaysFast, TransformMode::kNone, 4));
DEF_BENCH(return new CompositingImages({512, 512}, {512, 512}, {4, 4}, ClampingMode::kAlwaysFast, TransformMode::kNone, 4));
DEF_BENCH(return new CompositingImages({1024, 512}, {1024, 512}, {2, 4}, ClampingMode::kAlwaysFast, TransformMode::kNone, 4));
DEF_BENCH(return new CompositingImages({256, 256}, {256, 256}, {8, 8}, ClampingMode::kAlwaysFast, TransformMode::kNone, 16));
DEF_BENCH(return new CompositingImages({512, 512}, {512, 512}, {4, 4}, ClampingMode::kAlwaysFast, TransformMode::kNone, 16));
DEF_BENCH(return new CompositingImages({1024, 512}, {1024, 512}, {2, 4}, ClampingMode::kAlwaysFast, TransformMode::kNone, 16));
// Subpixel = true; force the draw commands to not align with pixels exactly so AA remains on
DEF_BENCH(return new CompositingImages({256, 256}, {256, 256}, {8, 8}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {512, 512}, {4, 4}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({1024, 512}, {1024, 512}, {2, 4}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({256, 256}, {256, 256}, {8, 8}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 4));
DEF_BENCH(return new CompositingImages({512, 512}, {512, 512}, {4, 4}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 4));
DEF_BENCH(return new CompositingImages({1024, 512}, {1024, 512}, {2, 4}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 4));
DEF_BENCH(return new CompositingImages({256, 256}, {256, 256}, {8, 8}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 16));
DEF_BENCH(return new CompositingImages({512, 512}, {512, 512}, {4, 4}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 16));
DEF_BENCH(return new CompositingImages({1024, 512}, {1024, 512}, {2, 4}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 16));
// Test different tiling scenarios inspired by Chrome's compositor
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysFast, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysStrict, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_RowMajor, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_Optimal, TransformMode::kNone, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysFast, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysStrict, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_RowMajor, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_Optimal, TransformMode::kSubpixel, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysFast, TransformMode::kRotated, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysStrict, TransformMode::kRotated, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_RowMajor, TransformMode::kRotated, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_Optimal, TransformMode::kRotated, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysFast, TransformMode::kPerspective, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kAlwaysStrict, TransformMode::kPerspective, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_RowMajor, TransformMode::kPerspective, 1));
DEF_BENCH(return new CompositingImages({512, 512}, {380, 380}, {5, 5}, ClampingMode::kChromeTiling_Optimal, TransformMode::kPerspective, 1));
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