Remove automatic resizing in *_pictures

Review URL: https://codereview.appspot.com/6554045

git-svn-id: http://skia.googlecode.com/svn/trunk@5614 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
borenet@google.com 2012-09-20 18:54:04 +00:00
parent dc12b62bb9
commit 2d2b9a0d8c
4 changed files with 7 additions and 70 deletions

View File

@ -109,8 +109,7 @@ static bool run_single_benchmark(const SkString& inputPath,
}
bool success = false;
SkPicture* picture = SkNEW_ARGS(SkPicture, (&inputStream, &success));
SkAutoTUnref<SkPicture> aur(picture);
SkPicture picture(&inputStream, &success);
if (!success) {
SkString err;
err.printf("Could not read an SkPicture from %s\n", inputPath.c_str());
@ -122,14 +121,11 @@ static bool run_single_benchmark(const SkString& inputPath,
sk_tools::get_basename(&filename, inputPath);
SkString result;
result.printf("running bench [%i %i] %s ", picture->width(),
picture->height(), filename.c_str());
result.printf("running bench [%i %i] %s ", picture.width(),
picture.height(), filename.c_str());
gLogger.logProgress(result);
// rescale to avoid memory issues allocating a very large offscreen
sk_tools::resize_if_needed(&aur);
benchmark.run(aur);
benchmark.run(&picture);
return true;
}

View File

@ -6,11 +6,9 @@
*/
#include "picture_utils.h"
#include "SkCanvas.h"
#include "SkColorPriv.h"
#include "SkBitmap.h"
#include "SkPicture.h"
#include "SkRefCnt.h"
#include "SkString.h"
#include "SkStream.h"
@ -92,47 +90,4 @@ namespace sk_tools {
bitmap->allocPixels();
bitmap->eraseColor(0);
}
bool area_too_big(int w, int h, SkISize* newSize) {
// just a guess, based on what seems to fail on smaller android devices
static const int64_t kMaxAreaForMemory = 4 * 1024 * 1024;
if ((int64_t)w * h > kMaxAreaForMemory) {
do {
w >>= 1;
h >>= 1;
} while ((int64_t)w * h > kMaxAreaForMemory);
if (0 == w) {
w = 1;
}
if (0 == h) {
h = 1;
}
newSize->set(w, h);
return true;
}
return false;
}
void resize_if_needed(SkAutoTUnref<SkPicture>* aur) {
SkISize newSize;
SkPicture* picture = aur->get();
if (area_too_big(picture->width(), picture->height(), &newSize)) {
SkPicture* pic = SkNEW(SkPicture);
picture->ref();
aur->reset(pic);
SkCanvas* canvas = pic->beginRecording(newSize.width(),
newSize.height());
SkScalar scale = SkIntToScalar(newSize.width()) / picture->width();
canvas->scale(scale, scale);
canvas->drawPicture(*picture);
pic->endRecording();
SkDebugf(
"... rescaling to [%d %d] to avoid overly large allocations\n",
newSize.width(), newSize.height());
picture->unref();
}
}
}

View File

@ -9,9 +9,7 @@
#define picture_utils_DEFINED
#include "SkTypes.h"
#include "SkSize.h"
template <typename T> class SkAutoTUnref;
class SkBitmap;
class SkFILEStream;
class SkPicture;
@ -44,14 +42,6 @@ namespace sk_tools {
// Specifically, it configures the bitmap, allocates pixels and then
// erases the pixels to transparent black.
void setup_bitmap(SkBitmap* bitmap, int width, int height);
// Determines whether the given dimensions are too large and suggests a new
// size.
bool area_too_big(int w, int h, SkISize* newSize);
// Determines whether the given SkPicture is too large and, if so, replaces
// it with a new, scaled-down SkPicture.
void resize_if_needed(SkAutoTUnref<SkPicture>* aur);
}
#endif // picture_utils_DEFINED

View File

@ -92,20 +92,16 @@ static bool render_picture(const SkString& inputPath, const SkString& outputDir,
}
bool success = false;
SkPicture* picture = SkNEW_ARGS(SkPicture, (&inputStream, &success));
SkAutoTUnref<SkPicture> aur(picture);
SkPicture picture(&inputStream, &success);
if (!success) {
SkDebugf("Could not read an SkPicture from %s\n", inputPath.c_str());
return false;
}
SkDebugf("drawing... [%i %i] %s\n", picture->width(), picture->height(),
SkDebugf("drawing... [%i %i] %s\n", picture.width(), picture.height(),
inputPath.c_str());
// rescale to avoid memory issues allocating a very large offscreen
sk_tools::resize_if_needed(&aur);
renderer.init(aur);
renderer.init(&picture);
SkString outputPath;
make_output_filepath(&outputPath, outputDir, inputFilename);