void GrContext::drawFontCache(const SkRect& rect, GrMaskFormat format, const SkPaint& paint,
GrRenderTarget* target) {
GrBatchFontCache* cache = this->getBatchFontCache();
GrTexture* atlas = cache->getTexture(format);
SkAutoTUnref<GrDrawContext> drawContext(this->drawContext(target));
// TODO: add drawContext method to encapsulate this.
GrPaint grPaint;
SkMatrix mat;
mat.reset();
if (!SkPaintToGrPaint(this, paint, mat, &grPaint)) {
return;
}
SkMatrix textureMat;
textureMat.reset();
// TODO: use setScaleTranslate()
textureMat[SkMatrix::kMScaleX] = 1.0f/rect.width();
textureMat[SkMatrix::kMScaleY] = 1.0f/rect.height();
textureMat[SkMatrix::kMTransX] = -rect.fLeft/rect.width();
textureMat[SkMatrix::kMTransY] = -rect.fTop/rect.height();
grPaint.addColorTextureProcessor(atlas, textureMat);
GrClip clip;
drawContext->drawRect(clip, grPaint, mat, rect);
}
sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context,
sk_sp<GrFragmentProcessor> fp,
const SkIRect& bounds,
sk_sp<SkColorSpace> colorSpace) {
GrPaint paint;
paint.addColorFragmentProcessor(std::move(fp));
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
sk_sp<GrDrawContext> drawContext(context->makeDrawContext(SkBackingFit::kApprox,
bounds.width(), bounds.height(),
kRGBA_8888_GrPixelConfig,
std::move(colorSpace)));
if (!drawContext) {
return nullptr;
}
SkIRect dstIRect = SkIRect::MakeWH(bounds.width(), bounds.height());
SkRect srcRect = SkRect::Make(bounds);
SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
GrFixedClip clip(dstIRect);
drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, srcRect);
return SkSpecialImage::MakeFromGpu(dstIRect, kNeedNewImageUniqueID_SpecialImage,
drawContext->asTexture(),
sk_ref_sp(drawContext->getColorSpace()));
}
DEF_GPUTEST_FOR_ALL_CONTEXTS(TessellatingPathRendererTests, reporter, ctxInfo) {
sk_sp<GrDrawContext> drawContext(ctxInfo.grContext()->newDrawContext(SkBackingFit::kApprox,
800, 800,
kSkia8888_GrPixelConfig,
0,
kTopLeft_GrSurfaceOrigin));
if (!drawContext) {
return;
}
GrTestTarget tt;
ctxInfo.grContext()->getTestTarget(&tt, drawContext);
GrDrawTarget* dt = tt.target();
GrResourceProvider* rp = tt.resourceProvider();
test_path(dt, drawContext.get(), rp, create_path_0());
test_path(dt, drawContext.get(), rp, create_path_1());
test_path(dt, drawContext.get(), rp, create_path_2());
test_path(dt, drawContext.get(), rp, create_path_3());
test_path(dt, drawContext.get(), rp, create_path_4());
test_path(dt, drawContext.get(), rp, create_path_5());
test_path(dt, drawContext.get(), rp, create_path_6());
test_path(dt, drawContext.get(), rp, create_path_7());
test_path(dt, drawContext.get(), rp, create_path_8());
test_path(dt, drawContext.get(), rp, create_path_9());
test_path(dt, drawContext.get(), rp, create_path_10());
test_path(dt, drawContext.get(), rp, create_path_11());
test_path(dt, drawContext.get(), rp, create_path_12());
test_path(dt, drawContext.get(), rp, create_path_13());
test_path(dt, drawContext.get(), rp, create_path_14());
test_path(dt, drawContext.get(), rp, create_path_15());
}
sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context,
sk_sp<GrFragmentProcessor> fp,
const SkIRect& bounds) {
GrPaint paint;
paint.addColorFragmentProcessor(fp.get());
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kRGBA_8888_GrPixelConfig;
sk_sp<GrTexture> dst(context->textureProvider()->createApproxTexture(desc));
if (!dst) {
return nullptr;
}
sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(dst->asRenderTarget())));
if (!drawContext) {
return nullptr;
}
SkRect srcRect = SkRect::Make(bounds);
SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
GrClip clip(dstRect);
drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, srcRect);
return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
kNeedNewImageUniqueID_SpecialImage,
std::move(dst));
}
GrTexture* GrYUVProvider::refAsTexture(GrContext* ctx, const GrSurfaceDesc& desc, bool useCache) {
SkYUVPlanesCache::Info yuvInfo;
void* planes[3];
YUVScoper scoper;
if (!scoper.init(this, &yuvInfo, planes, useCache)) {
return nullptr;
}
GrSurfaceDesc yuvDesc;
yuvDesc.fConfig = kAlpha_8_GrPixelConfig;
SkAutoTUnref<GrTexture> yuvTextures[3];
for (int i = 0; i < 3; ++i) {
yuvDesc.fWidth = yuvInfo.fSize[i].fWidth;
yuvDesc.fHeight = yuvInfo.fSize[i].fHeight;
// TODO: why do we need this check?
bool needsExactTexture = (yuvDesc.fWidth != yuvInfo.fSize[0].fWidth) ||
(yuvDesc.fHeight != yuvInfo.fSize[0].fHeight);
if (needsExactTexture) {
yuvTextures[i].reset(ctx->textureProvider()->createTexture(yuvDesc, true));
} else {
yuvTextures[i].reset(ctx->textureProvider()->createApproxTexture(yuvDesc));
}
if (!yuvTextures[i] ||
!yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight,
yuvDesc.fConfig, planes[i], yuvInfo.fRowBytes[i])) {
return nullptr;
}
}
GrSurfaceDesc rtDesc = desc;
rtDesc.fFlags = rtDesc.fFlags | kRenderTarget_GrSurfaceFlag;
SkAutoTUnref<GrTexture> result(ctx->textureProvider()->createTexture(rtDesc, true, nullptr, 0));
if (!result) {
return nullptr;
}
GrRenderTarget* renderTarget = result->asRenderTarget();
SkASSERT(renderTarget);
GrPaint paint;
SkAutoTUnref<GrFragmentProcessor> yuvToRgbProcessor(
GrYUVtoRGBEffect::Create(yuvTextures[0],
yuvTextures[1],
yuvTextures[2],
yuvInfo.fSize,
yuvInfo.fColorSpace));
paint.addColorFragmentProcessor(yuvToRgbProcessor);
const SkRect r = SkRect::MakeIWH(yuvInfo.fSize[0].fWidth, yuvInfo.fSize[0].fHeight);
SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext());
if (!drawContext) {
return nullptr;
}
drawContext->drawRect(renderTarget, GrClip::WideOpen(), paint, SkMatrix::I(), r);
return result.detach();
}
void Curve::draw(const QRectF& viewPort, qreal scale, qreal thickness, bool antiAliasing)
{
DrawContext drawContext(viewPort, drawer, scale, thickness, antiAliasing);
for (QVector<CurveBranch*>::Iterator it = branches.begin(); it != branches.end(); it++)
{
(*it)->draw(drawContext);
}
}
bool SkImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx,
SkBitmap* result, SkIPoint* offset) const {
#if SK_SUPPORT_GPU
SkBitmap input = src;
SkASSERT(fInputCount == 1);
SkIPoint srcOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPU(0, proxy, src, ctx, &input, &srcOffset)) {
return false;
}
GrTexture* srcTexture = input.getTexture();
SkIRect bounds;
if (!this->applyCropRect(ctx, proxy, input, &srcOffset, &bounds, &input)) {
return false;
}
SkRect srcRect = SkRect::Make(bounds);
SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
GrContext* context = srcTexture->getContext();
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag,
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kRGBA_8888_GrPixelConfig;
SkAutoTUnref<GrTexture> dst(context->textureProvider()->createTexture(desc,
GrTextureProvider::FromImageFilter(ctx.sizeConstraint())));
if (!dst) {
return false;
}
// setup new clip
GrClip clip(dstRect);
GrFragmentProcessor* fp;
offset->fX = bounds.left();
offset->fY = bounds.top();
bounds.offset(-srcOffset);
SkMatrix matrix(ctx.ctm());
matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
GrPaint paint;
if (this->asFragmentProcessor(&fp, srcTexture, matrix, bounds)) {
SkASSERT(fp);
paint.addColorFragmentProcessor(fp)->unref();
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
if (drawContext) {
drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, srcRect);
WrapTexture(dst, bounds.width(), bounds.height(), result);
return true;
}
}
#endif
return false;
}
// Create a mask of 'devPath' and place the result in 'mask'.
static GrTexture* create_mask_GPU(GrContext* context,
SkRect* maskRect,
const SkPath& devPath,
const GrStrokeInfo& strokeInfo,
bool doAA,
int sampleCnt) {
// This mask will ultimately be drawn as a non-AA rect (see draw_mask).
// Non-AA rects have a bad habit of snapping arbitrarily. Integerize here
// so the mask draws in a reproducible manner.
*maskRect = SkRect::Make(maskRect->roundOut());
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = SkScalarCeilToInt(maskRect->width());
desc.fHeight = SkScalarCeilToInt(maskRect->height());
desc.fSampleCnt = doAA ? sampleCnt : 0;
// We actually only need A8, but it often isn't supported as a
// render target so default to RGBA_8888
desc.fConfig = kRGBA_8888_GrPixelConfig;
if (context->caps()->isConfigRenderable(kAlpha_8_GrPixelConfig, desc.fSampleCnt > 0)) {
desc.fConfig = kAlpha_8_GrPixelConfig;
}
GrTexture* mask = context->textureProvider()->createApproxTexture(desc);
if (nullptr == mask) {
return nullptr;
}
SkRect clipRect = SkRect::MakeWH(maskRect->width(), maskRect->height());
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(mask->asRenderTarget()));
if (!drawContext) {
return nullptr;
}
drawContext->clear(nullptr, 0x0, true);
GrPaint tempPaint;
tempPaint.setAntiAlias(doAA);
tempPaint.setCoverageSetOpXPFactory(SkRegion::kReplace_Op);
// setup new clip
GrClip clip(clipRect);
// Draw the mask into maskTexture with the path's integerized top-left at
// the origin using tempPaint.
SkMatrix translate;
translate.setTranslate(-maskRect->fLeft, -maskRect->fTop);
drawContext->drawPath(clip, tempPaint, translate, devPath, strokeInfo);
return mask;
}
void GrRenderTarget::discard() {
// go through context so that all necessary flushing occurs
GrContext* context = this->getContext();
if (!context) {
return;
}
sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(this), nullptr));
if (!drawContext) {
return;
}
drawContext->discard();
}
void OnPaint( wxPaintEvent &event )
{
wxPaintDC drawContext(this);
if(currentSample.IsOk())
{
wxSize drawSize=currentSample.GetSize();
wxSize clientSize=this->GetClientSize();
if(drawSize!=clientSize)
{
RefreshDrawingArea();
}
drawSize=currentSample.GetSize();
drawContext.Blit(0,0,drawSize.GetWidth(),drawSize.GetHeight(),¤tSample,0,0);
}
}
// Create a mask of 'devPath' and place the result in 'mask'.
static sk_sp<GrTexture> create_mask_GPU(GrContext* context,
const SkIRect& maskRect,
const SkPath& devPath,
SkStrokeRec::InitStyle fillOrHairline,
bool doAA,
int sampleCnt) {
if (!doAA) {
// Don't need MSAA if mask isn't AA
sampleCnt = 0;
}
// We actually only need A8, but it often isn't supported as a
// render target so default to RGBA_8888
GrPixelConfig config = kRGBA_8888_GrPixelConfig;
if (context->caps()->isConfigRenderable(kAlpha_8_GrPixelConfig, sampleCnt > 0)) {
config = kAlpha_8_GrPixelConfig;
}
sk_sp<GrDrawContext> drawContext(context->newDrawContext(SkBackingFit::kApprox,
maskRect.width(),
maskRect.height(),
config,
sampleCnt));
if (!drawContext) {
return nullptr;
}
drawContext->clear(nullptr, 0x0, true);
GrPaint tempPaint;
tempPaint.setAntiAlias(doAA);
tempPaint.setCoverageSetOpXPFactory(SkRegion::kReplace_Op);
// setup new clip
const SkIRect clipRect = SkIRect::MakeWH(maskRect.width(), maskRect.height());
GrFixedClip clip(clipRect);
// Draw the mask into maskTexture with the path's integerized top-left at
// the origin using tempPaint.
SkMatrix translate;
translate.setTranslate(-SkIntToScalar(maskRect.fLeft), -SkIntToScalar(maskRect.fTop));
drawContext->drawPath(clip, tempPaint, translate, devPath, GrStyle(fillOrHairline));
return drawContext->asTexture();;
}
DEF_GPUTEST_FOR_ALL_CONTEXTS(VertexAttributeCount, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
sk_sp<GrDrawContext> drawContext(context->newDrawContext(SkBackingFit::kApprox,
1, 1, kRGBA_8888_GrPixelConfig));
if (!drawContext) {
ERRORF(reporter, "Could not create draw context.");
return;
}
int attribCnt = context->caps()->maxVertexAttributes();
if (!attribCnt) {
ERRORF(reporter, "No attributes allowed?!");
return;
}
context->flush();
context->resetGpuStats();
#if GR_GPU_STATS
REPORTER_ASSERT(reporter, context->getGpu()->stats()->numDraws() == 0);
REPORTER_ASSERT(reporter, context->getGpu()->stats()->numFailedDraws() == 0);
#endif
SkAutoTUnref<GrDrawBatch> batch;
GrPaint grPaint;
// This one should succeed.
batch.reset(new Batch(attribCnt));
drawContext->drawContextPriv().testingOnly_drawBatch(grPaint, batch);
context->flush();
#if GR_GPU_STATS
REPORTER_ASSERT(reporter, context->getGpu()->stats()->numDraws() == 1);
REPORTER_ASSERT(reporter, context->getGpu()->stats()->numFailedDraws() == 0);
#endif
context->resetGpuStats();
// This one should fail.
batch.reset(new Batch(attribCnt+1));
drawContext->drawContextPriv().testingOnly_drawBatch(grPaint, batch);
context->flush();
#if GR_GPU_STATS
REPORTER_ASSERT(reporter, context->getGpu()->stats()->numDraws() == 0);
REPORTER_ASSERT(reporter, context->getGpu()->stats()->numFailedDraws() == 1);
#endif
}
DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(AADistanceFieldPathRenderer, reporter, ctxInfo) {
// The DF PR only works with contexts that support derivatives
if (!ctxInfo.grContext()->caps()->shaderCaps()->shaderDerivativeSupport()) {
return;
}
sk_sp<GrDrawContext> drawContext(ctxInfo.grContext()->newDrawContext(SkBackingFit::kApprox,
800, 800,
kSkia8888_GrPixelConfig,
0,
kTopLeft_GrSurfaceOrigin));
if (!drawContext) {
return;
}
GrAADistanceFieldPathRenderer dfpr;
GrTestTarget tt;
ctxInfo.grContext()->getTestTarget(&tt, drawContext);
GrResourceProvider* rp = tt.resourceProvider();
test_far_from_origin(drawContext.get(), &dfpr, rp);
ctxInfo.grContext()->flush();
}
// Create a mask of 'devPath' and place the result in 'mask'.
static sk_sp<GrTexture> create_mask_GPU(GrContext* context,
const SkIRect& maskRect,
const SkPath& devPath,
SkStrokeRec::InitStyle fillOrHairline,
bool doAA,
int sampleCnt) {
if (!doAA) {
// Don't need MSAA if mask isn't AA
sampleCnt = 0;
}
sk_sp<GrDrawContext> drawContext(context->makeDrawContextWithFallback(SkBackingFit::kApprox,
maskRect.width(),
maskRect.height(),
kAlpha_8_GrPixelConfig,
nullptr,
sampleCnt));
if (!drawContext) {
return nullptr;
}
drawContext->clear(nullptr, 0x0, true);
GrPaint tempPaint;
tempPaint.setAntiAlias(doAA);
tempPaint.setCoverageSetOpXPFactory(SkRegion::kReplace_Op);
// setup new clip
const SkIRect clipRect = SkIRect::MakeWH(maskRect.width(), maskRect.height());
GrFixedClip clip(clipRect);
// Draw the mask into maskTexture with the path's integerized top-left at
// the origin using tempPaint.
SkMatrix translate;
translate.setTranslate(-SkIntToScalar(maskRect.fLeft), -SkIntToScalar(maskRect.fTop));
drawContext->drawPath(clip, tempPaint, translate, devPath, GrStyle(fillOrHairline));
return drawContext->asTexture();;
}
sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context,
sk_sp<GrFragmentProcessor> fp,
const SkIRect& bounds) {
GrPaint paint;
paint.addColorFragmentProcessor(fp.get());
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
sk_sp<GrDrawContext> drawContext(context->newDrawContext(GrContext::kLoose_BackingFit,
bounds.width(), bounds.height(),
kRGBA_8888_GrPixelConfig));
if (!drawContext) {
return nullptr;
}
SkRect srcRect = SkRect::Make(bounds);
SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
GrClip clip(dstRect);
drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, srcRect);
return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
kNeedNewImageUniqueID_SpecialImage,
drawContext->asTexture());
}
static sk_sp<GrDrawContext> random_draw_context(GrContext* context,
SkRandom* random,
const GrCaps* caps) {
GrSurfaceOrigin origin = random->nextBool() ? kTopLeft_GrSurfaceOrigin
: kBottomLeft_GrSurfaceOrigin;
int sampleCnt = random->nextBool() ? SkTMin(4, caps->maxSampleCount()) : 0;
GrUniqueKey key;
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(&key, kDomain, 2);
builder[0] = origin;
builder[1] = sampleCnt;
builder.finish();
sk_sp<GrTexture> texture(context->textureProvider()->findAndRefTextureByUniqueKey(key));
if (texture) {
sk_sp<GrRenderTarget> rt(sk_ref_sp(texture->asRenderTarget()));
return context->drawContext(std::move(rt));
}
sk_sp<GrDrawContext> drawContext(context->newDrawContext(SkBackingFit::kExact,
kRenderTargetWidth,
kRenderTargetHeight,
kRGBA_8888_GrPixelConfig,
sampleCnt,
origin));
if (!drawContext) {
return nullptr;
}
// TODO: need a real way to do this via the drawContext
texture = drawContext->asTexture();
context->textureProvider()->assignUniqueKeyToTexture(key, texture.get());
return drawContext;
}
sk_sp<SkSpecialImage> SkDisplacementMapEffect::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint colorOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> color(this->filterInput(1, source, ctx, &colorOffset));
if (!color) {
return nullptr;
}
SkIPoint displOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> displ(this->filterInput(0, source, ctx, &displOffset));
if (!displ) {
return nullptr;
}
const SkIRect srcBounds = SkIRect::MakeXYWH(colorOffset.x(), colorOffset.y(),
color->width(), color->height());
// Both paths do bounds checking on color pixel access, we don't need to
// pad the color bitmap to bounds here.
SkIRect bounds;
if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return nullptr;
}
SkIRect displBounds;
displ = this->applyCropRect(ctx, displ.get(), &displOffset, &displBounds);
if (!displ) {
return nullptr;
}
if (!bounds.intersect(displBounds)) {
return nullptr;
}
const SkIRect colorBounds = bounds.makeOffset(-colorOffset.x(), -colorOffset.y());
SkVector scale = SkVector::Make(fScale, fScale);
ctx.ctm().mapVectors(&scale, 1);
#if SK_SUPPORT_GPU
if (source->isTextureBacked()) {
GrContext* context = source->getContext();
sk_sp<GrTexture> colorTexture(color->asTextureRef(context));
sk_sp<GrTexture> displTexture(displ->asTextureRef(context));
if (!colorTexture || !displTexture) {
return nullptr;
}
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kSkia8888_GrPixelConfig;
SkAutoTUnref<GrTexture> dst(context->textureProvider()->createApproxTexture(desc));
if (!dst) {
return nullptr;
}
GrPaint paint;
SkMatrix offsetMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(displTexture.get());
offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displOffset.fX),
SkIntToScalar(colorOffset.fY - displOffset.fY));
paint.addColorFragmentProcessor(
GrDisplacementMapEffect::Create(fXChannelSelector,
fYChannelSelector,
scale,
displTexture.get(),
offsetMatrix,
colorTexture.get(),
SkISize::Make(color->width(),
color->height())))->unref();
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
SkMatrix matrix;
matrix.setTranslate(-SkIntToScalar(colorBounds.x()), -SkIntToScalar(colorBounds.y()));
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
if (!drawContext) {
return nullptr;
}
drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(colorBounds));
offset->fX = bounds.left();
offset->fY = bounds.top();
return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
kNeedNewImageUniqueID_SpecialImage,
dst);
}
#endif
SkBitmap colorBM, displBM;
if (!color->getROPixels(&colorBM) || !displ->getROPixels(&displBM)) {
return nullptr;
}
if ((colorBM.colorType() != kN32_SkColorType) ||
(displBM.colorType() != kN32_SkColorType)) {
return nullptr;
}
SkAutoLockPixels colorLock(colorBM), displLock(displBM);
if (!colorBM.getPixels() || !displBM.getPixels()) {
return nullptr;
}
SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
colorBM.alphaType());
SkBitmap dst;
if (!dst.tryAllocPixels(info)) {
return nullptr;
}
SkAutoLockPixels dstLock(dst);
computeDisplacement(fXChannelSelector, fYChannelSelector, scale, &dst,
displBM, colorOffset - displOffset, colorBM, colorBounds);
offset->fX = bounds.left();
offset->fY = bounds.top();
return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(bounds.width(), bounds.height()),
dst);
}
bool SkDisplacementMapEffect::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx,
SkBitmap* result, SkIPoint* offset) const {
SkBitmap colorBM = src;
SkIPoint colorOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPU(1, proxy, src, ctx, &colorBM, &colorOffset)) {
return false;
}
SkBitmap displacementBM = src;
SkIPoint displacementOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPU(0, proxy, src, ctx, &displacementBM, &displacementOffset)) {
return false;
}
SkIRect bounds;
// Since GrDisplacementMapEffect does bounds checking on color pixel access, we don't need to
// pad the color bitmap to bounds here.
if (!this->applyCropRect(ctx, colorBM, colorOffset, &bounds)) {
return false;
}
SkIRect displBounds;
if (!this->applyCropRect(ctx, proxy, displacementBM,
&displacementOffset, &displBounds, &displacementBM)) {
return false;
}
if (!bounds.intersect(displBounds)) {
return false;
}
GrTexture* color = colorBM.getTexture();
GrTexture* displacement = displacementBM.getTexture();
GrContext* context = color->getContext();
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kSkia8888_GrPixelConfig;
auto constraint = GrTextureProvider::FromImageFilter(ctx.sizeConstraint());
SkAutoTUnref<GrTexture> dst(context->textureProvider()->createTexture(desc, constraint));
if (!dst) {
return false;
}
SkVector scale = SkVector::Make(fScale, fScale);
ctx.ctm().mapVectors(&scale, 1);
GrPaint paint;
SkMatrix offsetMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(displacement);
offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset.fX),
SkIntToScalar(colorOffset.fY - displacementOffset.fY));
paint.addColorFragmentProcessor(
GrDisplacementMapEffect::Create(fXChannelSelector,
fYChannelSelector,
scale,
displacement,
offsetMatrix,
color,
colorBM.dimensions()))->unref();
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
SkIRect colorBounds = bounds;
colorBounds.offset(-colorOffset);
SkMatrix matrix;
matrix.setTranslate(-SkIntToScalar(colorBounds.x()),
-SkIntToScalar(colorBounds.y()));
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
if (!drawContext) {
return false;
}
drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(colorBounds));
offset->fX = bounds.left();
offset->fY = bounds.top();
WrapTexture(dst, bounds.width(), bounds.height(), result);
return true;
}
bool SkXfermodeImageFilter::filterImageGPU(Proxy* proxy,
const SkBitmap& src,
const Context& ctx,
SkBitmap* result,
SkIPoint* offset) const {
SkBitmap background = src;
SkIPoint backgroundOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPU(0, proxy, src, ctx, &background, &backgroundOffset)) {
return false;
}
GrTexture* backgroundTex = background.getTexture();
if (nullptr == backgroundTex) {
SkASSERT(false);
return false;
}
SkBitmap foreground = src;
SkIPoint foregroundOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPU(1, proxy, src, ctx, &foreground, &foregroundOffset)) {
return false;
}
GrTexture* foregroundTex = foreground.getTexture();
GrContext* context = foregroundTex->getContext();
SkIRect bounds = background.bounds().makeOffset(backgroundOffset.x(), backgroundOffset.y());
bounds.join(foreground.bounds().makeOffset(foregroundOffset.x(), foregroundOffset.y()));
if (bounds.isEmpty()) {
return false;
}
const GrFragmentProcessor* xferFP = nullptr;
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kSkia8888_GrPixelConfig;
SkAutoTUnref<GrTexture> dst(context->textureProvider()->createApproxTexture(desc));
if (!dst) {
return false;
}
GrPaint paint;
SkMatrix backgroundMatrix;
backgroundMatrix.setIDiv(backgroundTex->width(), backgroundTex->height());
backgroundMatrix.preTranslate(SkIntToScalar(-backgroundOffset.fX),
SkIntToScalar(-backgroundOffset.fY));
SkAutoTUnref<const GrFragmentProcessor> bgFP(GrTextureDomainEffect::Create(
backgroundTex, backgroundMatrix,
GrTextureDomain::MakeTexelDomain(backgroundTex, background.bounds()),
GrTextureDomain::kDecal_Mode,
GrTextureParams::kNone_FilterMode)
);
if (!fMode || !fMode->asFragmentProcessor(&xferFP, bgFP)) {
// canFilterImageGPU() should've taken care of this
SkASSERT(false);
return false;
}
SkMatrix foregroundMatrix;
foregroundMatrix.setIDiv(foregroundTex->width(), foregroundTex->height());
foregroundMatrix.preTranslate(SkIntToScalar(-foregroundOffset.fX),
SkIntToScalar(-foregroundOffset.fY));
SkAutoTUnref<const GrFragmentProcessor> foregroundFP(GrTextureDomainEffect::Create(
foregroundTex, foregroundMatrix,
GrTextureDomain::MakeTexelDomain(foregroundTex, foreground.bounds()),
GrTextureDomain::kDecal_Mode,
GrTextureParams::kNone_FilterMode)
);
paint.addColorFragmentProcessor(foregroundFP.get());
if (xferFP) {
paint.addColorFragmentProcessor(xferFP)->unref();
}
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
if (!drawContext) {
return false;
}
SkMatrix matrix;
matrix.setTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(bounds));
offset->fX = bounds.left();
offset->fY = bounds.top();
GrWrapTextureInBitmap(dst, bounds.width(), bounds.height(), false, result);
return true;
}
sk_sp<SkSpecialImage> SkBlurImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint inputOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset));
if (!input) {
return nullptr;
}
SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.fX, inputOffset.fY,
input->width(), input->height());
SkIRect dstBounds;
if (!this->applyCropRect(this->mapContext(ctx), inputBounds, &dstBounds)) {
return nullptr;
}
if (!inputBounds.intersect(dstBounds)) {
return nullptr;
}
const SkVector sigma = map_sigma(fSigma, ctx.ctm());
#if SK_SUPPORT_GPU
if (source->isTextureBacked()) {
GrContext* context = source->getContext();
sk_sp<GrTexture> inputTexture(input->asTextureRef(context));
SkASSERT(inputTexture);
if (0 == sigma.x() && 0 == sigma.y()) {
offset->fX = inputBounds.x();
offset->fY = inputBounds.y();
return input->makeSubset(inputBounds.makeOffset(-inputOffset.x(),
-inputOffset.y()));
}
offset->fX = dstBounds.fLeft;
offset->fY = dstBounds.fTop;
inputBounds.offset(-inputOffset);
dstBounds.offset(-inputOffset);
sk_sp<GrDrawContext> drawContext(SkGpuBlurUtils::GaussianBlur(
context,
inputTexture.get(),
source->props().isGammaCorrect(),
dstBounds,
&inputBounds,
sigma.x(),
sigma.y()));
if (!drawContext) {
return nullptr;
}
return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(dstBounds.width(), dstBounds.height()),
kNeedNewImageUniqueID_SpecialImage,
drawContext->asTexture(), &source->props());
}
#endif
int kernelSizeX, kernelSizeX3, lowOffsetX, highOffsetX;
int kernelSizeY, kernelSizeY3, lowOffsetY, highOffsetY;
get_box3_params(sigma.x(), &kernelSizeX, &kernelSizeX3, &lowOffsetX, &highOffsetX);
get_box3_params(sigma.y(), &kernelSizeY, &kernelSizeY3, &lowOffsetY, &highOffsetY);
if (kernelSizeX < 0 || kernelSizeY < 0) {
return nullptr;
}
if (kernelSizeX == 0 && kernelSizeY == 0) {
offset->fX = inputBounds.x();
offset->fY = inputBounds.y();
return input->makeSubset(inputBounds.makeOffset(-inputOffset.x(),
-inputOffset.y()));
}
SkBitmap inputBM;
if (!input->getROPixels(&inputBM)) {
return nullptr;
}
if (inputBM.colorType() != kN32_SkColorType) {
return nullptr;
}
SkImageInfo info = SkImageInfo::Make(dstBounds.width(), dstBounds.height(),
inputBM.colorType(), inputBM.alphaType());
SkBitmap tmp, dst;
if (!tmp.tryAllocPixels(info) || !dst.tryAllocPixels(info)) {
return nullptr;
}
SkAutoLockPixels inputLock(inputBM), tmpLock(tmp), dstLock(dst);
offset->fX = dstBounds.fLeft;
offset->fY = dstBounds.fTop;
SkPMColor* t = tmp.getAddr32(0, 0);
SkPMColor* d = dst.getAddr32(0, 0);
int w = dstBounds.width(), h = dstBounds.height();
const SkPMColor* s = inputBM.getAddr32(inputBounds.x() - inputOffset.x(),
inputBounds.y() - inputOffset.y());
inputBounds.offset(-dstBounds.x(), -dstBounds.y());
dstBounds.offset(-dstBounds.x(), -dstBounds.y());
SkIRect inputBoundsT = SkIRect::MakeLTRB(inputBounds.top(), inputBounds.left(),
inputBounds.bottom(), inputBounds.right());
SkIRect dstBoundsT = SkIRect::MakeWH(dstBounds.height(), dstBounds.width());
int sw = int(inputBM.rowBytes() >> 2);
/**
*
* In order to make memory accesses cache-friendly, we reorder the passes to
* use contiguous memory reads wherever possible.
*
* For example, the 6 passes of the X-and-Y blur case are rewritten as
* follows. Instead of 3 passes in X and 3 passes in Y, we perform
* 2 passes in X, 1 pass in X transposed to Y on write, 2 passes in X,
* then 1 pass in X transposed to Y on write.
*
* +----+ +----+ +----+ +---+ +---+ +---+ +----+
* + AB + ----> | AB | ----> | AB | -----> | A | ----> | A | ----> | A | -----> | AB |
* +----+ blurX +----+ blurX +----+ blurXY | B | blurX | B | blurX | B | blurXY +----+
* +---+ +---+ +---+
*
* In this way, two of the y-blurs become x-blurs applied to transposed
* images, and all memory reads are contiguous.
*/
if (kernelSizeX > 0 && kernelSizeY > 0) {
SkOpts::box_blur_xx(s, sw, inputBounds, t, kernelSizeX, lowOffsetX, highOffsetX, w, h);
SkOpts::box_blur_xx(t, w, dstBounds, d, kernelSizeX, highOffsetX, lowOffsetX, w, h);
SkOpts::box_blur_xy(d, w, dstBounds, t, kernelSizeX3, highOffsetX, highOffsetX, w, h);
SkOpts::box_blur_xx(t, h, dstBoundsT, d, kernelSizeY, lowOffsetY, highOffsetY, h, w);
SkOpts::box_blur_xx(d, h, dstBoundsT, t, kernelSizeY, highOffsetY, lowOffsetY, h, w);
SkOpts::box_blur_xy(t, h, dstBoundsT, d, kernelSizeY3, highOffsetY, highOffsetY, h, w);
} else if (kernelSizeX > 0) {
SkOpts::box_blur_xx(s, sw, inputBounds, d, kernelSizeX, lowOffsetX, highOffsetX, w, h);
SkOpts::box_blur_xx(d, w, dstBounds, t, kernelSizeX, highOffsetX, lowOffsetX, w, h);
SkOpts::box_blur_xx(t, w, dstBounds, d, kernelSizeX3, highOffsetX, highOffsetX, w, h);
} else if (kernelSizeY > 0) {
SkOpts::box_blur_yx(s, sw, inputBoundsT, d, kernelSizeY, lowOffsetY, highOffsetY, h, w);
SkOpts::box_blur_xx(d, h, dstBoundsT, t, kernelSizeY, highOffsetY, lowOffsetY, h, w);
SkOpts::box_blur_xy(t, h, dstBoundsT, d, kernelSizeY3, highOffsetY, highOffsetY, h, w);
}
return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(dstBounds.width(),
dstBounds.height()),
dst, &source->props());
}
SkImage* SkImage::NewFromYUVTexturesCopy(GrContext* ctx , SkYUVColorSpace colorSpace,
const GrBackendObject yuvTextureHandles[3],
const SkISize yuvSizes[3],
GrSurfaceOrigin origin) {
const SkSurface::Budgeted budgeted = SkSurface::kYes_Budgeted;
if (yuvSizes[0].fWidth <= 0 || yuvSizes[0].fHeight <= 0 ||
yuvSizes[1].fWidth <= 0 || yuvSizes[1].fHeight <= 0 ||
yuvSizes[2].fWidth <= 0 || yuvSizes[2].fHeight <= 0) {
return nullptr;
}
static const GrPixelConfig kConfig = kAlpha_8_GrPixelConfig;
GrBackendTextureDesc yDesc;
yDesc.fConfig = kConfig;
yDesc.fOrigin = origin;
yDesc.fSampleCnt = 0;
yDesc.fTextureHandle = yuvTextureHandles[0];
yDesc.fWidth = yuvSizes[0].fWidth;
yDesc.fHeight = yuvSizes[0].fHeight;
GrBackendTextureDesc uDesc;
uDesc.fConfig = kConfig;
uDesc.fOrigin = origin;
uDesc.fSampleCnt = 0;
uDesc.fTextureHandle = yuvTextureHandles[1];
uDesc.fWidth = yuvSizes[1].fWidth;
uDesc.fHeight = yuvSizes[1].fHeight;
GrBackendTextureDesc vDesc;
vDesc.fConfig = kConfig;
vDesc.fOrigin = origin;
vDesc.fSampleCnt = 0;
vDesc.fTextureHandle = yuvTextureHandles[2];
vDesc.fWidth = yuvSizes[2].fWidth;
vDesc.fHeight = yuvSizes[2].fHeight;
SkAutoTUnref<GrTexture> yTex(ctx->textureProvider()->wrapBackendTexture(
yDesc, kBorrow_GrWrapOwnership));
SkAutoTUnref<GrTexture> uTex(ctx->textureProvider()->wrapBackendTexture(
uDesc, kBorrow_GrWrapOwnership));
SkAutoTUnref<GrTexture> vTex(ctx->textureProvider()->wrapBackendTexture(
vDesc, kBorrow_GrWrapOwnership));
if (!yTex || !uTex || !vTex) {
return nullptr;
}
GrSurfaceDesc dstDesc;
// Needs to be a render target in order to draw to it for the yuv->rgb conversion.
dstDesc.fFlags = kRenderTarget_GrSurfaceFlag;
dstDesc.fOrigin = origin;
dstDesc.fWidth = yuvSizes[0].fWidth;
dstDesc.fHeight = yuvSizes[0].fHeight;
dstDesc.fConfig = kRGBA_8888_GrPixelConfig;
dstDesc.fSampleCnt = 0;
SkAutoTUnref<GrTexture> dst(ctx->textureProvider()->createTexture(dstDesc, true));
if (!dst) {
return nullptr;
}
GrPaint paint;
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
paint.addColorFragmentProcessor(GrYUVtoRGBEffect::Create(paint.getProcessorDataManager(),
yTex, uTex, vTex, yuvSizes,
colorSpace))->unref();
const SkRect rect = SkRect::MakeWH(SkIntToScalar(dstDesc.fWidth),
SkIntToScalar(dstDesc.fHeight));
SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext());
if (!drawContext) {
return nullptr;
}
drawContext->drawRect(dst->asRenderTarget(), GrClip::WideOpen(), paint, SkMatrix::I(), rect);
ctx->flushSurfaceWrites(dst);
return new SkImage_Gpu(dstDesc.fWidth, dstDesc.fHeight, kNeedNewImageUniqueID,
kOpaque_SkAlphaType, dst, budgeted);
}
bool GrDrawingManager::ProgramUnitTest(GrContext* context, int maxStages) {
GrDrawingManager* drawingManager = context->drawingManager();
// setup dummy textures
GrSurfaceDesc dummyDesc;
dummyDesc.fFlags = kRenderTarget_GrSurfaceFlag;
dummyDesc.fConfig = kSkia8888_GrPixelConfig;
dummyDesc.fWidth = 34;
dummyDesc.fHeight = 18;
SkAutoTUnref<GrTexture> dummyTexture1(
context->textureProvider()->createTexture(dummyDesc, SkBudgeted::kNo, nullptr, 0));
dummyDesc.fFlags = kNone_GrSurfaceFlags;
dummyDesc.fConfig = kAlpha_8_GrPixelConfig;
dummyDesc.fWidth = 16;
dummyDesc.fHeight = 22;
SkAutoTUnref<GrTexture> dummyTexture2(
context->textureProvider()->createTexture(dummyDesc, SkBudgeted::kNo, nullptr, 0));
if (!dummyTexture1 || ! dummyTexture2) {
SkDebugf("Could not allocate dummy textures");
return false;
}
GrTexture* dummyTextures[] = {dummyTexture1.get(), dummyTexture2.get()};
// dummy scissor state
GrScissorState scissor;
SkRandom random;
static const int NUM_TESTS = 1024;
for (int t = 0; t < NUM_TESTS; t++) {
// setup random render target(can fail)
sk_sp<GrDrawContext> drawContext(random_draw_context(context, &random, context->caps()));
if (!drawContext) {
SkDebugf("Could not allocate drawContext");
return false;
}
GrPaint grPaint;
SkAutoTUnref<GrDrawBatch> batch(GrRandomDrawBatch(&random, context));
SkASSERT(batch);
GrProcessorTestData ptd(&random, context, context->caps(),
drawContext.get(), dummyTextures);
set_random_color_coverage_stages(&grPaint, &ptd, maxStages);
set_random_xpf(&grPaint, &ptd);
bool snapToCenters = set_random_state(&grPaint, &random);
const GrUserStencilSettings* uss = get_random_stencil(&random);
drawContext->drawContextPriv().testingOnly_drawBatch(grPaint, batch, uss, snapToCenters);
}
// Flush everything, test passes if flush is successful(ie, no asserts are hit, no crashes)
drawingManager->flush();
// Validate that GrFPs work correctly without an input.
sk_sp<GrDrawContext> drawContext(context->newDrawContext(SkBackingFit::kExact,
kRenderTargetWidth,
kRenderTargetHeight,
kRGBA_8888_GrPixelConfig));
if (!drawContext) {
SkDebugf("Could not allocate a drawContext");
return false;
}
int fpFactoryCnt = GrProcessorTestFactory<GrFragmentProcessor>::Count();
for (int i = 0; i < fpFactoryCnt; ++i) {
// Since FP factories internally randomize, call each 10 times.
for (int j = 0; j < 10; ++j) {
SkAutoTUnref<GrDrawBatch> batch(GrRandomDrawBatch(&random, context));
SkASSERT(batch);
GrProcessorTestData ptd(&random, context, context->caps(),
drawContext.get(), dummyTextures);
GrPaint grPaint;
grPaint.setXPFactory(GrPorterDuffXPFactory::Make(SkXfermode::kSrc_Mode));
sk_sp<GrFragmentProcessor> fp(
GrProcessorTestFactory<GrFragmentProcessor>::MakeIdx(i, &ptd));
sk_sp<GrFragmentProcessor> blockFP(
BlockInputFragmentProcessor::Make(std::move(fp)));
grPaint.addColorFragmentProcessor(std::move(blockFP));
drawContext->drawContextPriv().testingOnly_drawBatch(grPaint, batch);
drawingManager->flush();
}
}
return true;
}
// creates a new texture that is the input texture scaled up. If optionalKey is valid it will be
// set on the new texture. stretch controls whether the scaling is done using nearest or bilerp
// filtering and the size to stretch the texture to.
GrTexture* stretch_texture(GrTexture* inputTexture, const SkGrStretch& stretch,
SkPixelRef* pixelRef,
const GrUniqueKey& optionalKey) {
SkASSERT(SkGrStretch::kNone_Type != stretch.fType);
GrContext* context = inputTexture->getContext();
SkASSERT(context);
const GrCaps* caps = context->caps();
// Either it's a cache miss or the original wasn't cached to begin with.
GrSurfaceDesc rtDesc = inputTexture->desc();
rtDesc.fFlags = rtDesc.fFlags | kRenderTarget_GrSurfaceFlag;
rtDesc.fWidth = stretch.fWidth;
rtDesc.fHeight = stretch.fHeight;
rtDesc.fConfig = GrMakePixelConfigUncompressed(rtDesc.fConfig);
// If the config isn't renderable try converting to either A8 or an 32 bit config. Otherwise,
// fail.
if (!caps->isConfigRenderable(rtDesc.fConfig, false)) {
if (GrPixelConfigIsAlphaOnly(rtDesc.fConfig)) {
if (caps->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) {
rtDesc.fConfig = kAlpha_8_GrPixelConfig;
} else if (caps->isConfigRenderable(kSkia8888_GrPixelConfig, false)) {
rtDesc.fConfig = kSkia8888_GrPixelConfig;
} else {
return nullptr;
}
} else if (kRGB_GrColorComponentFlags ==
(kRGB_GrColorComponentFlags & GrPixelConfigComponentMask(rtDesc.fConfig))) {
if (caps->isConfigRenderable(kSkia8888_GrPixelConfig, false)) {
rtDesc.fConfig = kSkia8888_GrPixelConfig;
} else {
return nullptr;
}
} else {
return nullptr;
}
}
SkAutoTUnref<GrTexture> stretched(GrCreateTextureForPixels(context, optionalKey, rtDesc,
pixelRef, nullptr,0));
if (!stretched) {
return nullptr;
}
GrPaint paint;
// If filtering is not desired then we want to ensure all texels in the resampled image are
// copies of texels from the original.
GrTextureParams params(SkShader::kClamp_TileMode,
SkGrStretch::kBilerp_Type == stretch.fType ?
GrTextureParams::kBilerp_FilterMode :
GrTextureParams::kNone_FilterMode);
paint.addColorTextureProcessor(inputTexture, SkMatrix::I(), params);
SkRect rect = SkRect::MakeWH(SkIntToScalar(rtDesc.fWidth), SkIntToScalar(rtDesc.fHeight));
SkRect localRect = SkRect::MakeWH(1.f, 1.f);
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext());
if (!drawContext) {
return nullptr;
}
drawContext->drawNonAARectToRect(stretched->asRenderTarget(), GrClip::WideOpen(), paint,
SkMatrix::I(), rect, localRect);
return stretched.detach();
}
// Show the contexts on the screen.
// Must be called from the main thread.
void
debugContexts (void)
{
static volatile bool inDebugContexts = false;
// Prevent this function from being called from within itself.
CONTEXT orgContext;
CONTEXT debugDrawContext;
// We're going to use this context to draw in.
FRAME debugDrawFrame;
double hueIncrement;
size_t visibleContextI;
CONTEXT context;
size_t contextCount;
FRAME savedScreen;
// Prevent this function from being called from within itself.
if (inDebugContexts)
return;
inDebugContexts = true;
contextCount = countVisibleContexts ();
if (contextCount == 0)
{
goto out;
}
savedScreen = getScreen ();
FlushGraphics ();
// Make sure that the screen has actually been captured,
// before we use the frame.
// Create a new frame to draw on.
debugDrawContext = CreateContext ("debugDrawContext");
// New work frame is a copy of the original.
debugDrawFrame = CaptureDrawable (CloneFrame (savedScreen));
orgContext = SetContext (debugDrawContext);
SetContextFGFrame (debugDrawFrame);
hueIncrement = 360.0 / contextCount;
visibleContextI = 0;
for (context = GetFirstContext (); context != NULL;
context = GetNextContext (context))
{
if (context == debugDrawContext) {
// Skip our own context.
continue;
}
if (isContextVisible (context))
{
// Only draw the visible contexts.
drawContext (context, visibleContextI * hueIncrement);
visibleContextI++;
}
describeContext (stderr, context);
}
// Blit the final debugging frame to the screen.
putScreen (debugDrawFrame);
// Wait for a key:
{
WAIT_STATE state;
state.InputFunc = waitForKey;
DoInput(&state, TRUE);
}
SetContext (orgContext);
// Destroy the debugging frame and context.
DestroyContext (debugDrawContext);
// This does nothing with the drawable set with
// SetContextFGFrame().
DestroyDrawable (ReleaseDrawable (debugDrawFrame));
putScreen (savedScreen);
DestroyDrawable (ReleaseDrawable (savedScreen));
out:
inDebugContexts = false;
}
GrTexture* GrYUVProvider::refAsTexture(GrContext* ctx, const GrSurfaceDesc& desc, bool useCache) {
SkYUVPlanesCache::Info yuvInfo;
void* planes[3];
YUVScoper scoper;
if (!scoper.init(this, &yuvInfo, planes, useCache)) {
return nullptr;
}
GrSurfaceDesc yuvDesc;
yuvDesc.fConfig = kAlpha_8_GrPixelConfig;
SkAutoTUnref<GrTexture> yuvTextures[3];
for (int i = 0; i < 3; i++) {
yuvDesc.fWidth = yuvInfo.fSizeInfo.fSizes[i].fWidth;
yuvDesc.fHeight = yuvInfo.fSizeInfo.fSizes[i].fHeight;
// TODO: why do we need this check?
bool needsExactTexture =
(yuvDesc.fWidth != yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fWidth) ||
(yuvDesc.fHeight != yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fHeight);
if (needsExactTexture) {
yuvTextures[i].reset(ctx->textureProvider()->createTexture(yuvDesc, SkBudgeted::kYes));
} else {
yuvTextures[i].reset(ctx->textureProvider()->createApproxTexture(yuvDesc));
}
if (!yuvTextures[i] ||
!yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, yuvDesc.fConfig,
planes[i], yuvInfo.fSizeInfo.fWidthBytes[i])) {
return nullptr;
}
}
GrSurfaceDesc rtDesc = desc;
rtDesc.fFlags = rtDesc.fFlags | kRenderTarget_GrSurfaceFlag;
SkAutoTUnref<GrTexture> result(ctx->textureProvider()->createTexture(rtDesc, SkBudgeted::kYes,
nullptr, 0));
if (!result) {
return nullptr;
}
GrRenderTarget* renderTarget = result->asRenderTarget();
SkASSERT(renderTarget);
GrPaint paint;
// We may be decoding an sRGB image, but the result of our linear math on the YUV planes
// is already in sRGB in that case. Don't convert (which will make the image too bright).
paint.setDisableOutputConversionToSRGB(true);
SkAutoTUnref<const GrFragmentProcessor> yuvToRgbProcessor(
GrYUVEffect::CreateYUVToRGB(yuvTextures[0],
yuvTextures[1],
yuvTextures[2],
yuvInfo.fSizeInfo.fSizes,
yuvInfo.fColorSpace));
paint.addColorFragmentProcessor(yuvToRgbProcessor);
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
const SkRect r = SkRect::MakeIWH(yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fWidth,
yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fHeight);
SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext(renderTarget));
if (!drawContext) {
return nullptr;
}
drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), r);
return result.release();
}
sk_sp<SkImage> SkImage::MakeFromYUVTexturesCopy(GrContext* ctx , SkYUVColorSpace colorSpace,
const GrBackendObject yuvTextureHandles[3],
const SkISize yuvSizes[3],
GrSurfaceOrigin origin) {
const SkBudgeted budgeted = SkBudgeted::kYes;
if (yuvSizes[0].fWidth <= 0 || yuvSizes[0].fHeight <= 0 ||
yuvSizes[1].fWidth <= 0 || yuvSizes[1].fHeight <= 0 ||
yuvSizes[2].fWidth <= 0 || yuvSizes[2].fHeight <= 0) {
return nullptr;
}
static const GrPixelConfig kConfig = kAlpha_8_GrPixelConfig;
GrBackendTextureDesc yDesc;
yDesc.fConfig = kConfig;
yDesc.fOrigin = origin;
yDesc.fSampleCnt = 0;
yDesc.fTextureHandle = yuvTextureHandles[0];
yDesc.fWidth = yuvSizes[0].fWidth;
yDesc.fHeight = yuvSizes[0].fHeight;
GrBackendTextureDesc uDesc;
uDesc.fConfig = kConfig;
uDesc.fOrigin = origin;
uDesc.fSampleCnt = 0;
uDesc.fTextureHandle = yuvTextureHandles[1];
uDesc.fWidth = yuvSizes[1].fWidth;
uDesc.fHeight = yuvSizes[1].fHeight;
GrBackendTextureDesc vDesc;
vDesc.fConfig = kConfig;
vDesc.fOrigin = origin;
vDesc.fSampleCnt = 0;
vDesc.fTextureHandle = yuvTextureHandles[2];
vDesc.fWidth = yuvSizes[2].fWidth;
vDesc.fHeight = yuvSizes[2].fHeight;
SkAutoTUnref<GrTexture> yTex(ctx->textureProvider()->wrapBackendTexture(
yDesc, kBorrow_GrWrapOwnership));
SkAutoTUnref<GrTexture> uTex(ctx->textureProvider()->wrapBackendTexture(
uDesc, kBorrow_GrWrapOwnership));
SkAutoTUnref<GrTexture> vTex(ctx->textureProvider()->wrapBackendTexture(
vDesc, kBorrow_GrWrapOwnership));
if (!yTex || !uTex || !vTex) {
return nullptr;
}
const int width = yuvSizes[0].fWidth;
const int height = yuvSizes[0].fHeight;
// Needs to be a render target in order to draw to it for the yuv->rgb conversion.
sk_sp<GrDrawContext> drawContext(ctx->newDrawContext(GrContext::kTight_BackingFit,
width, height,
kRGBA_8888_GrPixelConfig,
0,
origin));
if (!drawContext) {
return nullptr;
}
GrPaint paint;
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
paint.addColorFragmentProcessor(GrYUVEffect::CreateYUVToRGB(yTex, uTex, vTex, yuvSizes,
colorSpace))->unref();
const SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), rect);
ctx->flushSurfaceWrites(drawContext->accessRenderTarget());
return sk_make_sp<SkImage_Gpu>(width, height, kNeedNewImageUniqueID,
kOpaque_SkAlphaType,
drawContext->asTexture().get(), budgeted);
}
sk_sp<GrTexture> GrYUVProvider::refAsTexture(GrContext* ctx,
const GrSurfaceDesc& desc,
bool useCache) {
SkYUVPlanesCache::Info yuvInfo;
void* planes[3];
YUVScoper scoper;
if (!scoper.init(this, &yuvInfo, planes, useCache)) {
return nullptr;
}
GrSurfaceDesc yuvDesc;
yuvDesc.fConfig = kAlpha_8_GrPixelConfig;
SkAutoTUnref<GrTexture> yuvTextures[3];
for (int i = 0; i < 3; i++) {
yuvDesc.fWidth = yuvInfo.fSizeInfo.fSizes[i].fWidth;
yuvDesc.fHeight = yuvInfo.fSizeInfo.fSizes[i].fHeight;
// TODO: why do we need this check?
bool needsExactTexture =
(yuvDesc.fWidth != yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fWidth) ||
(yuvDesc.fHeight != yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fHeight);
if (needsExactTexture) {
yuvTextures[i].reset(ctx->textureProvider()->createTexture(yuvDesc, SkBudgeted::kYes));
} else {
yuvTextures[i].reset(ctx->textureProvider()->createApproxTexture(yuvDesc));
}
if (!yuvTextures[i] ||
!yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, yuvDesc.fConfig,
planes[i], yuvInfo.fSizeInfo.fWidthBytes[i])) {
return nullptr;
}
}
sk_sp<GrDrawContext> drawContext(ctx->newDrawContext(SkBackingFit::kExact,
desc.fWidth, desc.fHeight,
desc.fConfig, desc.fSampleCnt));
if (!drawContext) {
return nullptr;
}
GrPaint paint;
sk_sp<GrFragmentProcessor> yuvToRgbProcessor(
GrYUVEffect::MakeYUVToRGB(yuvTextures[0], yuvTextures[1], yuvTextures[2],
yuvInfo.fSizeInfo.fSizes, yuvInfo.fColorSpace, false));
paint.addColorFragmentProcessor(std::move(yuvToRgbProcessor));
// If we're decoding an sRGB image, the result of our linear math on the YUV planes is already
// in sRGB. (The encoding is just math on bytes, with no concept of color spaces.) So, we need
// to output the results of that math directly to the buffer that we will then consider sRGB.
// If we have sRGB write control, we can just tell the HW not to do the Linear -> sRGB step.
// Otherwise, we do our shader math to go from YUV -> sRGB, manually convert sRGB -> Linear,
// then let the HW convert Linear -> sRGB.
if (GrPixelConfigIsSRGB(desc.fConfig)) {
if (ctx->caps()->srgbWriteControl()) {
paint.setDisableOutputConversionToSRGB(true);
} else {
paint.addColorFragmentProcessor(GrGammaEffect::Make(2.2f));
}
}
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
const SkRect r = SkRect::MakeIWH(yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fWidth,
yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fHeight);
drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), r);
return drawContext->asTexture();
}
static GrTexture* copy_on_gpu(GrTexture* inputTexture, const SkIRect* subset,
const CopyParams& copyParams) {
SkASSERT(!subset || !subset->isEmpty());
GrContext* context = inputTexture->getContext();
SkASSERT(context);
const GrCaps* caps = context->caps();
// Either it's a cache miss or the original wasn't cached to begin with.
GrSurfaceDesc rtDesc = inputTexture->desc();
rtDesc.fFlags = rtDesc.fFlags | kRenderTarget_GrSurfaceFlag;
rtDesc.fWidth = copyParams.fWidth;
rtDesc.fHeight = copyParams.fHeight;
rtDesc.fConfig = GrMakePixelConfigUncompressed(rtDesc.fConfig);
// If the config isn't renderable try converting to either A8 or an 32 bit config. Otherwise,
// fail.
if (!caps->isConfigRenderable(rtDesc.fConfig, false)) {
if (GrPixelConfigIsAlphaOnly(rtDesc.fConfig)) {
if (caps->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) {
rtDesc.fConfig = kAlpha_8_GrPixelConfig;
} else if (caps->isConfigRenderable(kSkia8888_GrPixelConfig, false)) {
rtDesc.fConfig = kSkia8888_GrPixelConfig;
} else {
return nullptr;
}
} else if (kRGB_GrColorComponentFlags ==
(kRGB_GrColorComponentFlags & GrPixelConfigComponentMask(rtDesc.fConfig))) {
if (caps->isConfigRenderable(kSkia8888_GrPixelConfig, false)) {
rtDesc.fConfig = kSkia8888_GrPixelConfig;
} else {
return nullptr;
}
} else {
return nullptr;
}
}
SkAutoTUnref<GrTexture> copy(context->textureProvider()->createTexture(rtDesc,
SkBudgeted::kYes));
if (!copy) {
return nullptr;
}
// TODO: If no scaling is being performed then use copySurface.
GrPaint paint;
paint.setGammaCorrect(true);
// TODO: Initializing these values for no reason cause the compiler is complaining
SkScalar sx = 0.f;
SkScalar sy = 0.f;
if (subset) {
sx = 1.f / inputTexture->width();
sy = 1.f / inputTexture->height();
}
if (copyParams.fFilter != GrTextureParams::kNone_FilterMode && subset &&
(subset->width() != copyParams.fWidth || subset->height() != copyParams.fHeight)) {
SkRect domain;
domain.fLeft = (subset->fLeft + 0.5f) * sx;
domain.fTop = (subset->fTop + 0.5f)* sy;
domain.fRight = (subset->fRight - 0.5f) * sx;
domain.fBottom = (subset->fBottom - 0.5f) * sy;
// This would cause us to read values from outside the subset. Surely, the caller knows
// better!
SkASSERT(copyParams.fFilter != GrTextureParams::kMipMap_FilterMode);
paint.addColorFragmentProcessor(
GrTextureDomainEffect::Make(inputTexture, SkMatrix::I(), domain,
GrTextureDomain::kClamp_Mode,
copyParams.fFilter));
} else {
GrTextureParams params(SkShader::kClamp_TileMode, copyParams.fFilter);
paint.addColorTextureProcessor(inputTexture, SkMatrix::I(), params);
}
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
SkRect localRect;
if (subset) {
localRect = SkRect::Make(*subset);
localRect.fLeft *= sx;
localRect.fTop *= sy;
localRect.fRight *= sx;
localRect.fBottom *= sy;
} else {
localRect = SkRect::MakeWH(1.f, 1.f);
}
sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(copy->asRenderTarget())));
if (!drawContext) {
return nullptr;
}
SkRect dstRect = SkRect::MakeWH(SkIntToScalar(rtDesc.fWidth), SkIntToScalar(rtDesc.fHeight));
drawContext->fillRectToRect(GrNoClip(), paint, SkMatrix::I(), dstRect, localRect);
return copy.release();
}
bool SkXfermodeImageFilter::filterImageGPUDeprecated(Proxy* proxy,
const SkBitmap& src,
const Context& ctx,
SkBitmap* result,
SkIPoint* offset) const {
GrContext* context = nullptr;
SkBitmap background = src;
SkIPoint backgroundOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPUDeprecated(0, proxy, src, ctx, &background, &backgroundOffset)) {
background.reset();
}
GrTexture* backgroundTex = background.getTexture();
if (backgroundTex) {
context = backgroundTex->getContext();
}
SkBitmap foreground = src;
SkIPoint foregroundOffset = SkIPoint::Make(0, 0);
if (!this->filterInputGPUDeprecated(1, proxy, src, ctx, &foreground, &foregroundOffset)) {
foreground.reset();
}
GrTexture* foregroundTex = foreground.getTexture();
if (foregroundTex) {
context = foregroundTex->getContext();
}
if (!context) {
return false;
}
SkIRect bounds = background.bounds().makeOffset(backgroundOffset.x(), backgroundOffset.y());
bounds.join(foreground.bounds().makeOffset(foregroundOffset.x(), foregroundOffset.y()));
if (bounds.isEmpty()) {
return false;
}
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kSkia8888_GrPixelConfig;
SkAutoTUnref<GrTexture> dst(context->textureProvider()->createApproxTexture(desc));
if (!dst) {
return false;
}
GrPaint paint;
SkAutoTUnref<const GrFragmentProcessor> bgFP;
if (backgroundTex) {
SkMatrix backgroundMatrix;
backgroundMatrix.setIDiv(backgroundTex->width(), backgroundTex->height());
backgroundMatrix.preTranslate(SkIntToScalar(-backgroundOffset.fX),
SkIntToScalar(-backgroundOffset.fY));
bgFP.reset(GrTextureDomainEffect::Create(
backgroundTex, backgroundMatrix,
GrTextureDomain::MakeTexelDomain(backgroundTex, background.bounds()),
GrTextureDomain::kDecal_Mode,
GrTextureParams::kNone_FilterMode));
} else {
bgFP.reset(GrConstColorProcessor::Create(GrColor_TRANSPARENT_BLACK,
GrConstColorProcessor::kIgnore_InputMode));
}
if (foregroundTex) {
SkMatrix foregroundMatrix;
foregroundMatrix.setIDiv(foregroundTex->width(), foregroundTex->height());
foregroundMatrix.preTranslate(SkIntToScalar(-foregroundOffset.fX),
SkIntToScalar(-foregroundOffset.fY));
SkAutoTUnref<const GrFragmentProcessor> foregroundFP;
foregroundFP.reset(GrTextureDomainEffect::Create(
foregroundTex, foregroundMatrix,
GrTextureDomain::MakeTexelDomain(foregroundTex, foreground.bounds()),
GrTextureDomain::kDecal_Mode,
GrTextureParams::kNone_FilterMode));
paint.addColorFragmentProcessor(foregroundFP.get());
// A null fMode is interpreted to mean kSrcOver_Mode (to match raster).
SkAutoTUnref<SkXfermode> mode(SkSafeRef(fMode.get()));
if (!mode) {
// It would be awesome to use SkXfermode::Create here but it knows better
// than us and won't return a kSrcOver_Mode SkXfermode. That means we
// have to get one the hard way.
struct ProcCoeff rec;
rec.fProc = SkXfermode::GetProc(SkXfermode::kSrcOver_Mode);
SkXfermode::ModeAsCoeff(SkXfermode::kSrcOver_Mode, &rec.fSC, &rec.fDC);
mode.reset(new SkProcCoeffXfermode(rec, SkXfermode::kSrcOver_Mode));
}
SkAutoTUnref<const GrFragmentProcessor> xferFP(mode->getFragmentProcessorForImageFilter(bgFP));
// A null 'xferFP' here means kSrc_Mode was used in which case we can just proceed
if (xferFP) {
paint.addColorFragmentProcessor(xferFP);
}
} else {
paint.addColorFragmentProcessor(bgFP);
}
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
if (!drawContext) {
return false;
}
SkMatrix matrix;
matrix.setTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(bounds));
offset->fX = bounds.left();
offset->fY = bounds.top();
GrWrapTextureInBitmap(dst, bounds.width(), bounds.height(), false, result);
return true;
}
sk_sp<SkSpecialImage> SkXfermodeImageFilter::filterImageGPU(SkSpecialImage* source,
sk_sp<SkSpecialImage> background,
const SkIPoint& backgroundOffset,
sk_sp<SkSpecialImage> foreground,
const SkIPoint& foregroundOffset,
const SkIRect& bounds) const {
SkASSERT(source->isTextureBacked());
GrContext* context = source->getContext();
sk_sp<GrTexture> backgroundTex, foregroundTex;
if (background) {
backgroundTex = background->asTextureRef(context);
}
if (foreground) {
foregroundTex = foreground->asTextureRef(context);
}
GrPaint paint;
// SRGBTODO: AllowSRGBInputs?
sk_sp<GrFragmentProcessor> bgFP;
if (backgroundTex) {
SkMatrix backgroundMatrix;
backgroundMatrix.setIDiv(backgroundTex->width(), backgroundTex->height());
backgroundMatrix.preTranslate(SkIntToScalar(-backgroundOffset.fX),
SkIntToScalar(-backgroundOffset.fY));
bgFP = GrTextureDomainEffect::Make(
backgroundTex.get(), nullptr, backgroundMatrix,
GrTextureDomain::MakeTexelDomain(backgroundTex.get(),
background->subset()),
GrTextureDomain::kDecal_Mode,
GrTextureParams::kNone_FilterMode);
} else {
bgFP = GrConstColorProcessor::Make(GrColor_TRANSPARENT_BLACK,
GrConstColorProcessor::kIgnore_InputMode);
}
if (foregroundTex) {
SkMatrix foregroundMatrix;
foregroundMatrix.setIDiv(foregroundTex->width(), foregroundTex->height());
foregroundMatrix.preTranslate(SkIntToScalar(-foregroundOffset.fX),
SkIntToScalar(-foregroundOffset.fY));
sk_sp<GrFragmentProcessor> foregroundFP;
foregroundFP = GrTextureDomainEffect::Make(
foregroundTex.get(), nullptr, foregroundMatrix,
GrTextureDomain::MakeTexelDomain(foregroundTex.get(),
foreground->subset()),
GrTextureDomain::kDecal_Mode,
GrTextureParams::kNone_FilterMode);
paint.addColorFragmentProcessor(std::move(foregroundFP));
// A null fMode is interpreted to mean kSrcOver_Mode (to match raster).
SkAutoTUnref<SkXfermode> mode(SkSafeRef(fMode.get()));
if (!mode) {
// It would be awesome to use SkXfermode::Create here but it knows better
// than us and won't return a kSrcOver_Mode SkXfermode. That means we
// have to get one the hard way.
struct ProcCoeff rec;
rec.fProc = SkXfermode::GetProc(SkXfermode::kSrcOver_Mode);
SkXfermode::ModeAsCoeff(SkXfermode::kSrcOver_Mode, &rec.fSC, &rec.fDC);
mode.reset(new SkProcCoeffXfermode(rec, SkXfermode::kSrcOver_Mode));
}
sk_sp<GrFragmentProcessor> xferFP(
mode->makeFragmentProcessorForImageFilter(std::move(bgFP)));
// A null 'xferFP' here means kSrc_Mode was used in which case we can just proceed
if (xferFP) {
paint.addColorFragmentProcessor(std::move(xferFP));
}
} else {
paint.addColorFragmentProcessor(std::move(bgFP));
}
paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
sk_sp<GrDrawContext> drawContext(context->makeDrawContext(SkBackingFit::kApprox,
bounds.width(), bounds.height(),
kSkia8888_GrPixelConfig,
sk_ref_sp(source->getColorSpace())));
if (!drawContext) {
return nullptr;
}
SkMatrix matrix;
matrix.setTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
drawContext->drawRect(GrNoClip(), paint, matrix, SkRect::Make(bounds));
return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
kNeedNewImageUniqueID_SpecialImage,
drawContext->asTexture(),
sk_ref_sp(drawContext->getColorSpace()));
}