2f9dad4b8c
A follow-on to: https://skia-review.googlesource.com/c/skia/+/333489 (Remove the skipping of some GMs for the *ooprddl configs on the bots) Change-Id: I41f6e79e6292023a2ac8fc031fd98974e4488d0c Reviewed-on: https://skia-review.googlesource.com/c/skia/+/334516 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
262 lines
12 KiB
C++
262 lines
12 KiB
C++
/*
|
|
* Copyright 2020 Google LLC.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm/gm.h"
|
|
|
|
#include "include/effects/SkGradientShader.h"
|
|
#include "include/gpu/GrRecordingContext.h"
|
|
#include "src/core/SkGpuBlurUtils.h"
|
|
#include "src/gpu/GrRecordingContextPriv.h"
|
|
#include "src/gpu/GrStyle.h"
|
|
#include "src/gpu/SkGr.h"
|
|
#include "src/gpu/effects/GrBlendFragmentProcessor.h"
|
|
#include "src/image/SkImage_Base.h"
|
|
|
|
static GrSurfaceProxyView blur(GrRecordingContext* ctx,
|
|
GrSurfaceProxyView src,
|
|
SkIRect dstB,
|
|
SkIRect srcB,
|
|
float sigmaX,
|
|
float sigmaY,
|
|
SkTileMode mode) {
|
|
auto resultRTC =
|
|
SkGpuBlurUtils::GaussianBlur(ctx, src, GrColorType::kRGBA_8888, kPremul_SkAlphaType,
|
|
nullptr, dstB, srcB, sigmaX, sigmaY, mode);
|
|
if (!resultRTC) {
|
|
return {};
|
|
}
|
|
return resultRTC->readSurfaceView();
|
|
};
|
|
|
|
static void run(GrRecordingContext* rContext, GrRenderTargetContext* rtc,
|
|
bool subsetSrc, bool ref) {
|
|
|
|
auto srcII = SkImageInfo::Make(60, 60, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
|
|
auto surf = SkSurface::MakeRenderTarget(rContext, SkBudgeted::kYes, srcII);
|
|
GrSurfaceProxyView src;
|
|
if (surf) {
|
|
SkScalar w = surf->width();
|
|
SkScalar h = surf->height();
|
|
surf->getCanvas()->drawColor(SK_ColorDKGRAY);
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
paint.setStyle(SkPaint::kStroke_Style);
|
|
// Draw four horizontal lines at 1/8, 1/4, 3/4, 7/8.
|
|
paint.setStrokeWidth(h/12.f);
|
|
paint.setColor(SK_ColorRED);
|
|
surf->getCanvas()->drawLine({0.f, 1.f*h/8.f}, {w, 1.f*h/8.f}, paint);
|
|
paint.setColor(/* sea foam */ 0xFF71EEB8);
|
|
surf->getCanvas()->drawLine({0.f, 1.f*h/4.f}, {w, 1.f*h/4.f}, paint);
|
|
paint.setColor(SK_ColorYELLOW);
|
|
surf->getCanvas()->drawLine({0.f, 3.f*h/4.f}, {w, 3.f*h/4.f}, paint);
|
|
paint.setColor(SK_ColorCYAN);
|
|
surf->getCanvas()->drawLine({0.f, 7.f*h/8.f}, {w, 7.f*h/8.f}, paint);
|
|
|
|
// Draw four vertical lines at 1/8, 1/4, 3/4, 7/8.
|
|
paint.setStrokeWidth(w/12.f);
|
|
paint.setColor(/* orange */ 0xFFFFA500);
|
|
surf->getCanvas()->drawLine({1.f*w/8.f, 0.f}, {1.f*h/8.f, h}, paint);
|
|
paint.setColor(SK_ColorBLUE);
|
|
surf->getCanvas()->drawLine({1.f*w/4.f, 0.f}, {1.f*h/4.f, h}, paint);
|
|
paint.setColor(SK_ColorMAGENTA);
|
|
surf->getCanvas()->drawLine({3.f*w/4.f, 0.f}, {3.f*h/4.f, h}, paint);
|
|
paint.setColor(SK_ColorGREEN);
|
|
surf->getCanvas()->drawLine({7.f*w/8.f, 0.f}, {7.f*h/8.f, h}, paint);
|
|
|
|
auto img = surf->makeImageSnapshot();
|
|
if (auto v = as_IB(img)->view(rContext)) {
|
|
src = *v;
|
|
}
|
|
}
|
|
if (!src) {
|
|
return;
|
|
}
|
|
|
|
SkIRect srcRect = SkIRect::MakeSize(src.dimensions());
|
|
if (subsetSrc) {
|
|
srcRect = SkIRect::MakeXYWH(2.f*srcRect.width() /8.f,
|
|
1.f*srcRect.height()/8.f,
|
|
5.f*srcRect.width() /8.f,
|
|
6.f*srcRect.height()/8.f);
|
|
}
|
|
int srcW = srcRect.width();
|
|
int srcH = srcRect.height();
|
|
// Each set of rects is drawn in one test area so they probably should not abut or overlap
|
|
// to visualize the blurs separately.
|
|
const std::vector<SkIRect> dstRectSets[] = {
|
|
// encloses source bounds.
|
|
{
|
|
srcRect.makeOutset(srcW/5, srcH/5)
|
|
},
|
|
|
|
// partial overlap from above/below.
|
|
{
|
|
SkIRect::MakeXYWH(srcRect.x(), srcRect.y() + 3*srcH/4, srcW, srcH),
|
|
SkIRect::MakeXYWH(srcRect.x(), srcRect.y() - 3*srcH/4, srcW, srcH)
|
|
},
|
|
|
|
// adjacent to each side of src bounds.
|
|
{
|
|
srcRect.makeOffset( 0, srcH),
|
|
srcRect.makeOffset( srcW, 0),
|
|
srcRect.makeOffset( 0, -srcH),
|
|
srcRect.makeOffset(-srcW, 0),
|
|
},
|
|
|
|
// fully outside src bounds in one direction.
|
|
{
|
|
SkIRect::MakeXYWH(-6.f*srcW/8.f, -7.f*srcH/8.f, 4.f*srcW/8.f, 20.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
SkIRect::MakeXYWH(-1.f*srcW/8.f, -7.f*srcH/8.f, 16.f*srcW/8.f, 2.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
SkIRect::MakeXYWH(10.f*srcW/8.f, -3.f*srcH/8.f, 4.f*srcW/8.f, 16.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
SkIRect::MakeXYWH(-7.f*srcW/8.f, 14.f*srcH/8.f, 18.f*srcW/8.f, 1.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
},
|
|
|
|
// outside of src bounds in both directions.
|
|
{
|
|
SkIRect::MakeXYWH(-5.f*srcW/8.f, -5.f*srcH/8.f, 2.f*srcW/8.f, 2.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
SkIRect::MakeXYWH(-5.f*srcW/8.f, 12.f*srcH/8.f, 2.f*srcW/8.f, 2.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
SkIRect::MakeXYWH(12.f*srcW/8.f, -5.f*srcH/8.f, 2.f*srcW/8.f, 2.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
SkIRect::MakeXYWH(12.f*srcW/8.f, 12.f*srcH/8.f, 2.f*srcW/8.f, 2.f*srcH/8.f)
|
|
.makeOffset(srcRect.topLeft()),
|
|
},
|
|
};
|
|
|
|
const auto& caps = *rContext->priv().caps();
|
|
|
|
static constexpr SkScalar kPad = 10;
|
|
SkVector trans = {kPad, kPad};
|
|
|
|
rtc->clear(SK_PMColor4fWHITE);
|
|
|
|
SkIRect testArea = srcRect;
|
|
testArea.outset(testArea.width(), testArea.height());
|
|
for (const auto& dstRectSet : dstRectSets) {
|
|
for (int t = 0; t < kSkTileModeCount; ++t) {
|
|
auto mode = static_cast<SkTileMode>(t);
|
|
GrSamplerState sampler(SkTileModeToWrapMode(mode), GrSamplerState::Filter::kNearest);
|
|
SkMatrix m = SkMatrix::Translate(trans.x() - testArea.x(), trans.y() - testArea.y());
|
|
// Draw the src subset in the tile mode faded as a reference before drawing the blur
|
|
// on top.
|
|
{
|
|
static constexpr float kAlpha = 0.2f;
|
|
auto fp = GrTextureEffect::MakeSubset(src, kPremul_SkAlphaType, SkMatrix::I(),
|
|
sampler, SkRect::Make(srcRect), caps);
|
|
fp = GrFragmentProcessor::ModulateRGBA(std::move(fp),
|
|
{kAlpha, kAlpha, kAlpha, kAlpha});
|
|
GrPaint paint;
|
|
paint.setColorFragmentProcessor(std::move(fp));
|
|
rtc->drawRect(nullptr, std::move(paint), GrAA::kNo, m, SkRect::Make(testArea));
|
|
}
|
|
// If we're in ref mode we will create a temp image that has the original image
|
|
// tiled into it and then do a clamp blur with adjusted params that should produce
|
|
// the same result as the original params.
|
|
std::unique_ptr<GrRenderTargetContext> refSrc;
|
|
SkIRect refRect;
|
|
if (ref) {
|
|
// Blow up testArea into a much larger rect so that our clamp blur will not
|
|
// reach anywhere near the edge of our temp surface.
|
|
refRect = testArea.makeOutset(testArea.width(), testArea.height());
|
|
refSrc = GrRenderTargetContext::Make(rContext, GrColorType::kRGBA_8888, nullptr,
|
|
SkBackingFit::kApprox, refRect.size());
|
|
refSrc->clear(SK_PMColor4fWHITE);
|
|
// Setup an effect to put the original src rect at the correct logical place
|
|
// in the temp where the temp's origin is at the top left of refRect.
|
|
SkMatrix tm = SkMatrix::Translate(refRect.left(), refRect.top());
|
|
auto fp = GrTextureEffect::MakeSubset(src, kPremul_SkAlphaType, tm, sampler,
|
|
SkRect::Make(srcRect), caps);
|
|
GrPaint paint;
|
|
paint.setColorFragmentProcessor(std::move(fp));
|
|
refSrc->drawRect(nullptr, std::move(paint), GrAA::kNo, SkMatrix::I(),
|
|
SkRect::Make(refRect.size()));
|
|
}
|
|
// Do a blur for each dstRect in the set over our testArea-sized background.
|
|
for (const auto& dstRect : dstRectSet) {
|
|
// Setup the normal blur args.
|
|
const SkScalar sigmaX = src.width() / 10.f;
|
|
const SkScalar sigmaY = src.height() / 10.f;
|
|
auto blurSrc = src;
|
|
auto blurMode = mode;
|
|
auto blurDstRect = dstRect;
|
|
auto blurSrcRect = srcRect;
|
|
if (ref) {
|
|
// Move the dst rect to be relative to our temp surface.
|
|
blurDstRect = dstRect.makeOffset(-refRect.topLeft());
|
|
// Our new src is the entire temp containing the tiled original.
|
|
blurSrcRect = SkIRect::MakeSize(refRect.size());
|
|
// This shouldn't really matter because we should have made a large enough
|
|
// temp that the edges don't come into play. But this puts us on a simpler
|
|
// path through SkGpuBlurUtils.
|
|
blurMode = SkTileMode::kClamp;
|
|
blurSrc = refSrc->readSurfaceView();
|
|
}
|
|
// Blur using the rect and draw on top.
|
|
if (auto blurView = blur(rContext, blurSrc, blurDstRect, blurSrcRect,
|
|
sigmaX, sigmaY, blurMode)) {
|
|
auto fp = GrTextureEffect::Make(blurView, kPremul_SkAlphaType, SkMatrix::I(),
|
|
sampler, caps);
|
|
GrPaint paint;
|
|
// Compose against white (default paint color) and then replace the dst
|
|
// (SkBlendMode::kSrc).
|
|
fp = GrBlendFragmentProcessor::Make(std::move(fp), /*dst=*/nullptr,
|
|
SkBlendMode::kSrcOver);
|
|
paint.setColorFragmentProcessor(std::move(fp));
|
|
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
|
|
rtc->fillRectToRect(nullptr, std::move(paint), GrAA::kNo, m,
|
|
SkRect::Make(dstRect), SkRect::Make(blurView.dimensions()));
|
|
}
|
|
// Show the outline of the dst rect. Mostly for kDecal but also allows visual
|
|
// confirmation that the resulting blur is the right size and in the right place.
|
|
{
|
|
GrPaint paint;
|
|
static constexpr float kAlpha = 0.6f;
|
|
paint.setColor4f({0, kAlpha, 0, kAlpha});
|
|
SkPaint stroke;
|
|
stroke.setStyle(SkPaint::kStroke_Style);
|
|
stroke.setStrokeWidth(1.f);
|
|
GrStyle style(stroke);
|
|
auto dstR = SkRect::Make(dstRect).makeOutset(0.5f, 0.5f);
|
|
rtc->drawRect(nullptr, std::move(paint), GrAA::kNo, m, dstR, &style);
|
|
}
|
|
}
|
|
// Show the rect that's being blurred.
|
|
{
|
|
GrPaint paint;
|
|
static constexpr float kAlpha = 0.3f;
|
|
paint.setColor4f({0, 0, 0, kAlpha});
|
|
SkPaint stroke;
|
|
stroke.setStyle(SkPaint::kStroke_Style);
|
|
stroke.setStrokeWidth(1.f);
|
|
GrStyle style(stroke);
|
|
auto srcR = SkRect::Make(srcRect).makeOutset(0.5f, 0.5f);
|
|
rtc->drawRect(nullptr, std::move(paint), GrAA::kNo, m, srcR, &style);
|
|
}
|
|
trans.fX += testArea.width() + kPad;
|
|
}
|
|
trans.fX = kPad;
|
|
trans.fY += testArea.height() + kPad;
|
|
}
|
|
}
|
|
|
|
DEF_SIMPLE_GPU_GM(gpu_blur_utils, ctx, rtc, canvas, 765, 955) { run(ctx, rtc, false, false); }
|
|
|
|
DEF_SIMPLE_GPU_GM(gpu_blur_utils_ref, ctx, rtc, canvas, 765, 955) { run(ctx, rtc, false, true); }
|
|
|
|
DEF_SIMPLE_GPU_GM(gpu_blur_utils_subset_rect, ctx, rtc, canvas, 485, 730) {
|
|
run(ctx, rtc, true, false);
|
|
}
|
|
|
|
DEF_SIMPLE_GPU_GM(gpu_blur_utils_subset_ref, ctx, rtc, canvas, 485, 730) {
|
|
run(ctx, rtc, true, true);
|
|
}
|