зеркало из https://github.com/mozilla/moz-skia.git
421 строка
16 KiB
C++
421 строка
16 KiB
C++
/*
|
|
* Copyright 2013 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm.h"
|
|
#include "SkDebugCanvas.h"
|
|
#include "SkPictureFlat.h"
|
|
|
|
#define WARN(msg) \
|
|
SkDebugf("%s:%d: %s\n", __FILE__, __LINE__, msg);
|
|
|
|
// Do the commands in 'input' match the supplied pattern? Note: this is a pretty
|
|
// heavy-weight operation since we are drawing the picture into a debug canvas
|
|
// to extract the commands.
|
|
static bool check_pattern(SkPicture& input, const SkTDArray<DrawType> &pattern) {
|
|
SkDebugCanvas debugCanvas(input.width(), input.height());
|
|
debugCanvas.setBounds(input.width(), input.height());
|
|
input.draw(&debugCanvas);
|
|
|
|
if (pattern.count() != debugCanvas.getSize()) {
|
|
return false;
|
|
}
|
|
|
|
for (int i = 0; i < pattern.count(); ++i) {
|
|
if (pattern[i] != debugCanvas.getDrawCommandAt(i)->getType()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// construct the pattern removed by the SkPictureRecord::remove_save_layer1
|
|
// optimization, i.e.:
|
|
// SAVE_LAYER
|
|
// DRAW_BITMAP|DRAW_BITMAP_MATRIX|DRAW_BITMAP_NINE|DRAW_BITMAP_RECT_TO_RECT
|
|
// RESTORE
|
|
//
|
|
// saveLayerHasPaint - control if the saveLayer has a paint (the optimization
|
|
// takes a different path if this is false)
|
|
// dbmr2rHasPaint - control if the dbmr2r has a paint (the optimization
|
|
// takes a different path if this is false)
|
|
// colorsMatch - control if the saveLayer and dbmr2r paint colors
|
|
// match (the optimization will fail if they do not)
|
|
static SkPicture* create_save_layer_opt_1(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard,
|
|
bool saveLayerHasPaint,
|
|
bool dbmr2rHasPaint,
|
|
bool colorsMatch) {
|
|
// Create the pattern that should trigger the optimization
|
|
preOptPattern->setCount(5);
|
|
(*preOptPattern)[0] = SAVE;
|
|
(*preOptPattern)[1] = SAVE_LAYER;
|
|
(*preOptPattern)[2] = DRAW_BITMAP_RECT_TO_RECT;
|
|
(*preOptPattern)[3] = RESTORE;
|
|
(*preOptPattern)[4] = RESTORE;
|
|
|
|
if (colorsMatch) {
|
|
// Create the pattern that should appear after the optimization
|
|
postOptPattern->setCount(5);
|
|
(*postOptPattern)[0] = SAVE; // extra save/restore added by extra draw
|
|
(*postOptPattern)[1] = SAVE;
|
|
(*postOptPattern)[2] = DRAW_BITMAP_RECT_TO_RECT;
|
|
(*postOptPattern)[3] = RESTORE;
|
|
(*postOptPattern)[4] = RESTORE;
|
|
} else {
|
|
// Create the pattern that appears if the optimization doesn't fire
|
|
postOptPattern->setCount(7);
|
|
(*postOptPattern)[0] = SAVE; // extra save/restore added by extra draw
|
|
(*postOptPattern)[1] = SAVE;
|
|
(*postOptPattern)[2] = SAVE_LAYER;
|
|
(*postOptPattern)[3] = DRAW_BITMAP_RECT_TO_RECT;
|
|
(*postOptPattern)[4] = RESTORE;
|
|
(*postOptPattern)[5] = RESTORE;
|
|
(*postOptPattern)[6] = RESTORE;
|
|
}
|
|
|
|
SkPicture* result = new SkPicture;
|
|
|
|
// have to disable the optimizations while generating the picture
|
|
SkCanvas* canvas = result->beginRecording(100, 100);
|
|
result->internalOnly_EnableOpts(false);
|
|
|
|
SkPaint saveLayerPaint;
|
|
saveLayerPaint.setColor(0xCC000000);
|
|
|
|
// saveLayer's 'bounds' parameter must be NULL for this optimization
|
|
if (saveLayerHasPaint) {
|
|
canvas->saveLayer(NULL, &saveLayerPaint);
|
|
} else {
|
|
canvas->saveLayer(NULL, NULL);
|
|
}
|
|
|
|
SkRect rect = { 10, 10, 90, 90 };
|
|
|
|
// The dbmr2r's paint must be opaque
|
|
SkPaint dbmr2rPaint;
|
|
if (colorsMatch) {
|
|
dbmr2rPaint.setColor(0xFF000000);
|
|
} else {
|
|
dbmr2rPaint.setColor(0xFFFF0000);
|
|
}
|
|
|
|
if (dbmr2rHasPaint) {
|
|
canvas->drawBitmapRectToRect(checkerBoard, NULL, rect, &dbmr2rPaint);
|
|
} else {
|
|
canvas->drawBitmapRectToRect(checkerBoard, NULL, rect, NULL);
|
|
}
|
|
canvas->restore();
|
|
|
|
result->endRecording();
|
|
|
|
return result;
|
|
}
|
|
|
|
// straight-ahead version that is seen in the skps
|
|
static SkPicture* create_save_layer_opt_1_v1(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_1(preOptPattern, postOptPattern, checkerBoard,
|
|
true, // saveLayer has a paint
|
|
true, // dbmr2r has a paint
|
|
true); // and the colors match
|
|
}
|
|
|
|
// alternate version that should still succeed
|
|
static SkPicture* create_save_layer_opt_1_v2(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_1(preOptPattern, postOptPattern, checkerBoard,
|
|
false, // saveLayer doesn't have a paint!
|
|
true, // dbmr2r has a paint
|
|
true); // color matching not really applicable
|
|
}
|
|
|
|
// alternate version that should still succeed
|
|
static SkPicture* create_save_layer_opt_1_v3(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_1(preOptPattern, postOptPattern, checkerBoard,
|
|
true, // saveLayer has a paint
|
|
false, // dbmr2r doesn't have a paint!
|
|
true); // color matching not really applicable
|
|
}
|
|
|
|
// version in which the optimization fails b.c. the colors don't match
|
|
static SkPicture* create_save_layer_opt_1_v4(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_1(preOptPattern, postOptPattern, checkerBoard,
|
|
true, // saveLayer has a paint
|
|
true, // dbmr2r has a paint
|
|
false); // and the colors don't match!
|
|
}
|
|
|
|
// construct the pattern removed by the SkPictureRecord::remove_save_layer2
|
|
// optimization, i.e.:
|
|
// SAVE_LAYER (with NULL == bounds)
|
|
// SAVE
|
|
// CLIP_RECT
|
|
// DRAW_BITMAP|DRAW_BITMAP_MATRIX|DRAW_BITMAP_NINE|DRAW_BITMAP_RECT_TO_RECT
|
|
// RESTORE
|
|
// RESTORE
|
|
//
|
|
// saveLayerHasPaint - control if the saveLayer has a paint (the optimization
|
|
// takes a different path if this is false)
|
|
// dbmr2rHasPaint - control if the dbmr2r has a paint (the optimization
|
|
// takes a different path if this is false)
|
|
// colorsMatch - control if the saveLayer and dbmr2r paint colors
|
|
// match (the optimization will fail if they do not)
|
|
static SkPicture* create_save_layer_opt_2(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard,
|
|
bool saveLayerHasPaint,
|
|
bool dbmr2rHasPaint,
|
|
bool colorsMatch) {
|
|
// Create the pattern that should trigger the optimization
|
|
preOptPattern->setCount(8);
|
|
(*preOptPattern)[0] = SAVE;
|
|
(*preOptPattern)[1] = SAVE_LAYER;
|
|
(*preOptPattern)[2] = SAVE;
|
|
(*preOptPattern)[3] = CLIP_RECT;
|
|
(*preOptPattern)[4] = DRAW_BITMAP_RECT_TO_RECT;
|
|
(*preOptPattern)[5] = RESTORE;
|
|
(*preOptPattern)[6] = RESTORE;
|
|
(*preOptPattern)[7] = RESTORE;
|
|
|
|
if (colorsMatch) {
|
|
// Create the pattern that should appear after the optimization
|
|
postOptPattern->setCount(8);
|
|
(*postOptPattern)[0] = SAVE; // extra save/restore added by extra draw
|
|
(*postOptPattern)[1] = SAVE;
|
|
(*postOptPattern)[2] = SAVE;
|
|
(*postOptPattern)[3] = CLIP_RECT;
|
|
(*postOptPattern)[4] = DRAW_BITMAP_RECT_TO_RECT;
|
|
(*postOptPattern)[5] = RESTORE;
|
|
(*postOptPattern)[6] = RESTORE;
|
|
(*postOptPattern)[7] = RESTORE;
|
|
} else {
|
|
// Create the pattern that appears if the optimization doesn't fire
|
|
postOptPattern->setCount(10);
|
|
(*postOptPattern)[0] = SAVE; // extra save/restore added by extra draw
|
|
(*postOptPattern)[1] = SAVE;
|
|
(*postOptPattern)[2] = SAVE_LAYER;
|
|
(*postOptPattern)[3] = SAVE;
|
|
(*postOptPattern)[4] = CLIP_RECT;
|
|
(*postOptPattern)[5] = DRAW_BITMAP_RECT_TO_RECT;
|
|
(*postOptPattern)[6] = RESTORE;
|
|
(*postOptPattern)[7] = RESTORE;
|
|
(*postOptPattern)[8] = RESTORE;
|
|
(*postOptPattern)[9] = RESTORE;
|
|
}
|
|
|
|
SkPicture* result = new SkPicture;
|
|
|
|
// have to disable the optimizations while generating the picture
|
|
SkCanvas* canvas = result->beginRecording(100, 100);
|
|
result->internalOnly_EnableOpts(false);
|
|
|
|
SkPaint saveLayerPaint;
|
|
saveLayerPaint.setColor(0xCC000000);
|
|
|
|
// saveLayer's 'bounds' parameter must be NULL for this optimization
|
|
if (saveLayerHasPaint) {
|
|
canvas->saveLayer(NULL, &saveLayerPaint);
|
|
} else {
|
|
canvas->saveLayer(NULL, NULL);
|
|
}
|
|
|
|
canvas->save();
|
|
|
|
SkRect rect = { 10, 10, 90, 90 };
|
|
canvas->clipRect(rect);
|
|
|
|
// The dbmr2r's paint must be opaque
|
|
SkPaint dbmr2rPaint;
|
|
if (colorsMatch) {
|
|
dbmr2rPaint.setColor(0xFF000000);
|
|
} else {
|
|
dbmr2rPaint.setColor(0xFFFF0000);
|
|
}
|
|
|
|
if (dbmr2rHasPaint) {
|
|
canvas->drawBitmapRectToRect(checkerBoard, NULL, rect, &dbmr2rPaint);
|
|
} else {
|
|
canvas->drawBitmapRectToRect(checkerBoard, NULL, rect, NULL);
|
|
}
|
|
canvas->restore();
|
|
canvas->restore();
|
|
|
|
result->endRecording();
|
|
|
|
return result;
|
|
}
|
|
|
|
// straight-ahead version that is seen in the skps
|
|
static SkPicture* create_save_layer_opt_2_v1(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_2(preOptPattern, postOptPattern, checkerBoard,
|
|
true, // saveLayer has a paint
|
|
true, // dbmr2r has a paint
|
|
true); // and the colors match
|
|
}
|
|
|
|
// alternate version that should still succeed
|
|
static SkPicture* create_save_layer_opt_2_v2(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_2(preOptPattern, postOptPattern, checkerBoard,
|
|
false, // saveLayer doesn't have a paint!
|
|
true, // dbmr2r has a paint
|
|
true); // color matching not really applicable
|
|
}
|
|
|
|
// alternate version that should still succeed
|
|
static SkPicture* create_save_layer_opt_2_v3(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_2(preOptPattern, postOptPattern, checkerBoard,
|
|
true, // saveLayer has a paint
|
|
false, // dbmr2r doesn't have a paint!
|
|
true); // color matching not really applicable
|
|
}
|
|
|
|
// version in which the optimization fails b.c. the colors don't match
|
|
static SkPicture* create_save_layer_opt_2_v4(SkTDArray<DrawType>* preOptPattern,
|
|
SkTDArray<DrawType>* postOptPattern,
|
|
const SkBitmap& checkerBoard) {
|
|
return create_save_layer_opt_2(preOptPattern, postOptPattern, checkerBoard,
|
|
true, // saveLayer has a paint
|
|
true, // dbmr2r has a paint
|
|
false); // and the colors don't match!
|
|
}
|
|
|
|
// As our .skp optimizations get folded into the captured skps our code will
|
|
// no longer be locally exercised. This GM manually constructs the patterns
|
|
// our optimizations will remove to test them. It acts as both a GM and a unit
|
|
// test
|
|
class OptimizationsGM : public skiagm::GM {
|
|
public:
|
|
OptimizationsGM() {
|
|
this->makeCheckerboard();
|
|
}
|
|
|
|
static const int kWidth = 800;
|
|
static const int kHeight = 800;
|
|
|
|
protected:
|
|
uint32_t onGetFlags() const SK_OVERRIDE {
|
|
// One optimization changes the color drawn slightly in a 565 target.
|
|
// We've decided it's innocuous, so we disable this GM when targeting 565.
|
|
// Revisit this if we get finer-grained control: it'd be nice to keep drawing directly.
|
|
// For more, see skia:1994.
|
|
return skiagm::GM::kSkip565_Flag;
|
|
}
|
|
|
|
SkString onShortName() {
|
|
return SkString("optimizations");
|
|
}
|
|
|
|
SkISize onISize() { return SkISize::Make(kWidth, kHeight); }
|
|
|
|
typedef SkPicture* (*PFCreateOpt)(SkTDArray<DrawType> *preOptPattern,
|
|
SkTDArray<DrawType> *postOptPattern,
|
|
const SkBitmap& checkerBoard);
|
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
|
|
PFCreateOpt gOpts[] = {
|
|
create_save_layer_opt_1_v1,
|
|
create_save_layer_opt_1_v2,
|
|
create_save_layer_opt_1_v3,
|
|
create_save_layer_opt_1_v4,
|
|
create_save_layer_opt_2_v1,
|
|
create_save_layer_opt_2_v2,
|
|
create_save_layer_opt_2_v3,
|
|
create_save_layer_opt_2_v4,
|
|
};
|
|
|
|
SkTDArray<DrawType> prePattern, postPattern;
|
|
int xPos = 0, yPos = 0;
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(gOpts); ++i) {
|
|
SkAutoTUnref<SkPicture> pre((*gOpts[i])(&prePattern, &postPattern, fCheckerboard));
|
|
|
|
if (!(check_pattern(*pre, prePattern))) {
|
|
WARN("Pre optimization pattern mismatch");
|
|
SkASSERT(0);
|
|
}
|
|
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(xPos), SkIntToScalar(yPos));
|
|
pre->draw(canvas);
|
|
xPos += pre->width();
|
|
canvas->restore();
|
|
|
|
// re-render the 'pre' picture and thus 'apply' the optimization
|
|
SkAutoTUnref<SkPicture> post(new SkPicture);
|
|
|
|
SkCanvas* recordCanvas = post->beginRecording(pre->width(), pre->height());
|
|
|
|
pre->draw(recordCanvas);
|
|
|
|
post->endRecording();
|
|
|
|
if (!(check_pattern(*post, postPattern))) {
|
|
WARN("Post optimization pattern mismatch");
|
|
SkASSERT(0);
|
|
}
|
|
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(xPos), SkIntToScalar(yPos));
|
|
post->draw(canvas);
|
|
xPos += post->width();
|
|
canvas->restore();
|
|
|
|
if (xPos >= kWidth) {
|
|
// start a new line
|
|
xPos = 0;
|
|
yPos += post->height();
|
|
}
|
|
|
|
// TODO: we could also render the pre and post pictures to bitmaps
|
|
// and manually compare them in this method
|
|
}
|
|
}
|
|
|
|
private:
|
|
void makeCheckerboard() {
|
|
static const unsigned int kCheckerboardWidth = 16;
|
|
static const unsigned int kCheckerboardHeight = 16;
|
|
|
|
fCheckerboard.allocN32Pixels(kCheckerboardWidth, kCheckerboardHeight);
|
|
for (unsigned int y = 0; y < kCheckerboardHeight; y += 2) {
|
|
SkPMColor* scanline = fCheckerboard.getAddr32(0, y);
|
|
for (unsigned int x = 0; x < kCheckerboardWidth; x += 2) {
|
|
*scanline++ = 0xFFFFFFFF;
|
|
*scanline++ = 0xFF000000;
|
|
}
|
|
scanline = fCheckerboard.getAddr32(0, y + 1);
|
|
for (unsigned int x = 0; x < kCheckerboardWidth; x += 2) {
|
|
*scanline++ = 0xFF000000;
|
|
*scanline++ = 0xFFFFFFFF;
|
|
}
|
|
}
|
|
}
|
|
|
|
SkBitmap fCheckerboard;
|
|
|
|
typedef skiagm::GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM( return new OptimizationsGM; )
|