47c20e81bc
This whole change is basically work that will all get reverted shortly when GrSurfaceProxy no longer stores swizzle. But for now this helps get rid of a use of pixel config. Bug: skia:6718 Change-Id: If911360a8a9d2c52a58b5795386484634885b3f3 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/265579 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Greg Daniel <egdaniel@google.com>
403 lines
16 KiB
C++
403 lines
16 KiB
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkTypes.h"
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#include "include/gpu/GrBackendSurface.h"
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#include "include/gpu/GrContext.h"
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#include "include/gpu/GrTypes.h"
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#include "include/private/GrTypesPriv.h"
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#include "src/gpu/GrCaps.h"
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#include "src/gpu/GrContextPriv.h"
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#include "src/gpu/GrProxyProvider.h"
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#include "src/gpu/GrSamplerState.h"
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#include "src/gpu/GrTextureProducer.h"
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#include "src/gpu/GrTextureProxy.h"
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#include "tests/Test.h"
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#include "tools/gpu/GrContextFactory.h"
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#include <initializer_list>
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// For DetermineDomainMode (in the MDB world) we have 3 rects:
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// 1) the final instantiated backing storage (i.e., the actual GrTexture's extent)
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// 2) the proxy's extent, which may or may not match the GrTexture's extent
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// 3) the constraint rect, which can optionally be hard or soft
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// This test "fuzzes" all the combinations of these rects.
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class GrTextureProducer_TestAccess {
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public:
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using DomainMode = GrTextureProducer::DomainMode;
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static DomainMode DetermineDomainMode(const SkRect& constraintRect,
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GrTextureProducer::FilterConstraint filterConstraint,
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bool coordsLimitedToConstraintRect,
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GrTextureProxy* proxy,
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const GrSamplerState::Filter* filterModeOrNullForBicubic,
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SkRect* domainRect) {
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return GrTextureProducer::DetermineDomainMode(constraintRect,
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filterConstraint,
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coordsLimitedToConstraintRect,
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proxy,
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filterModeOrNullForBicubic,
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domainRect);
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}
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};
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using DomainMode = GrTextureProducer_TestAccess::DomainMode;
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class RectInfo {
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public:
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enum Side { kLeft = 0, kTop = 1, kRight = 2, kBot = 3 };
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enum EdgeType {
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kSoft = 0, // there is data on the other side of this edge that we are allowed to sample
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kHard = 1, // the backing resource ends at this edge
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kBad = 2 // we can't sample across this edge
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};
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void set(const SkRect& rect, EdgeType left, EdgeType top, EdgeType right, EdgeType bot,
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const char* name) {
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fRect = rect;
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fTypes[kLeft] = left;
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fTypes[kTop] = top;
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fTypes[kRight] = right;
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fTypes[kBot] = bot;
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fName = name;
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}
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const SkRect& rect() const { return fRect; }
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EdgeType edgeType(Side side) const { return fTypes[side]; }
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const char* name() const { return fName; }
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#ifdef SK_DEBUG
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bool isHardOrBadAllAround() const {
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for (int i = 0; i < 4; ++i) {
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if (kHard != fTypes[i] && kBad != fTypes[i]) {
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return false;
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}
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}
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return true;
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}
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#endif
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bool hasABad() const {
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for (int i = 0; i < 4; ++i) {
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if (kBad == fTypes[i]) {
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return true;
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}
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}
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return false;
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}
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#ifdef SK_DEBUG
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void print(const char* label) const {
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SkDebugf("%s: %s (%.1f, %.1f, %.1f, %.1f), L: %s T: %s R: %s B: %s\n",
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label, fName,
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fRect.fLeft, fRect.fTop, fRect.fRight, fRect.fBottom,
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ToStr(fTypes[kLeft]), ToStr(fTypes[kTop]),
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ToStr(fTypes[kRight]), ToStr(fTypes[kBot]));
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}
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#endif
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private:
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#ifdef SK_DEBUG
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static const char* ToStr(EdgeType type) {
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static const char* names[] = { "soft", "hard", "bad" };
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return names[type];
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}
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#endif
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RectInfo operator=(const RectInfo& other); // disallow
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SkRect fRect;
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EdgeType fTypes[4];
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const char* fName;
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};
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static sk_sp<GrTextureProxy> create_proxy(GrContext* ctx,
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bool isPowerOfTwo,
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bool isExact,
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RectInfo* rect) {
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GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
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const GrCaps* caps = ctx->priv().caps();
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int size = isPowerOfTwo ? 128 : 100;
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SkBackingFit fit = isExact ? SkBackingFit::kExact : SkBackingFit::kApprox;
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GrSurfaceDesc desc;
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desc.fWidth = size;
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desc.fHeight = size;
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desc.fConfig = kRGBA_8888_GrPixelConfig;
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GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
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GrRenderable::kNo);
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static const char* name = "proxy";
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// Proxies are always hard on the left and top but can be bad on the right and bottom
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rect->set(SkRect::MakeWH(size, size),
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RectInfo::kHard,
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RectInfo::kHard,
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(isPowerOfTwo || isExact) ? RectInfo::kHard : RectInfo::kBad,
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(isPowerOfTwo || isExact) ? RectInfo::kHard : RectInfo::kBad,
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name);
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GrSwizzle swizzle = caps->getReadSwizzle(format, GrColorType::kRGBA_8888);
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return proxyProvider->createProxy(format, desc, swizzle, GrRenderable::kNo, 1,
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kTopLeft_GrSurfaceOrigin, GrMipMapped::kNo, fit,
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SkBudgeted::kYes, GrProtected::kNo);
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}
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static RectInfo::EdgeType compute_inset_edgetype(RectInfo::EdgeType previous,
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bool isInsetHard, bool coordsAreLimitedToRect,
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float insetAmount, float halfFilterWidth) {
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if (isInsetHard) {
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if (coordsAreLimitedToRect) {
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SkASSERT(halfFilterWidth >= 0.0f);
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if (0.0f == halfFilterWidth) {
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return RectInfo::kSoft;
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}
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}
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if (0.0f == insetAmount && RectInfo::kHard == previous) {
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return RectInfo::kHard;
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}
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return RectInfo::kBad;
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}
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if (RectInfo::kHard == previous) {
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return RectInfo::kHard;
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}
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if (coordsAreLimitedToRect) {
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SkASSERT(halfFilterWidth >= 0.0f);
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if (0.0 == halfFilterWidth || insetAmount > halfFilterWidth) {
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return RectInfo::kSoft;
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}
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}
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return previous;
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}
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static const int kInsetLeft_Flag = 0x1;
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static const int kInsetTop_Flag = 0x2;
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static const int kInsetRight_Flag = 0x4;
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static const int kInsetBot_Flag = 0x8;
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// If 'isInsetHard' is true we can't sample across the inset boundary.
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// If 'areCoordsLimitedToRect' is true the client promises to never sample outside the inset.
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static const SkRect* generic_inset(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth,
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uint32_t flags,
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const char* name) {
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SkRect newR = enclosing.rect();
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RectInfo::EdgeType left = enclosing.edgeType(RectInfo::kLeft);
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if (flags & kInsetLeft_Flag) {
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newR.fLeft += insetAmount;
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left = compute_inset_edgetype(left, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth);
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} else {
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left = compute_inset_edgetype(left, isInsetHard, areCoordsLimitedToRect,
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0.0f, halfFilterWidth);
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}
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RectInfo::EdgeType top = enclosing.edgeType(RectInfo::kTop);
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if (flags & kInsetTop_Flag) {
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newR.fTop += insetAmount;
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top = compute_inset_edgetype(top, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth);
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} else {
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top = compute_inset_edgetype(top, isInsetHard, areCoordsLimitedToRect,
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0.0f, halfFilterWidth);
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}
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RectInfo::EdgeType right = enclosing.edgeType(RectInfo::kRight);
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if (flags & kInsetRight_Flag) {
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newR.fRight -= insetAmount;
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right = compute_inset_edgetype(right, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth);
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} else {
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right = compute_inset_edgetype(right, isInsetHard, areCoordsLimitedToRect,
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0.0f, halfFilterWidth);
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}
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RectInfo::EdgeType bot = enclosing.edgeType(RectInfo::kBot);
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if (flags & kInsetBot_Flag) {
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newR.fBottom -= insetAmount;
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bot = compute_inset_edgetype(bot, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth);
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} else {
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bot = compute_inset_edgetype(bot, isInsetHard, areCoordsLimitedToRect,
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0.0f, halfFilterWidth);
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}
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result->set(newR, left, top, right, bot, name);
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return &result->rect();
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}
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// Make a rect that only touches the enclosing rect on the left.
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static const SkRect* left_only(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth) {
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static const char* name = "left";
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return generic_inset(enclosing, result, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth,
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kInsetTop_Flag|kInsetRight_Flag|kInsetBot_Flag, name);
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}
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// Make a rect that only touches the enclosing rect on the top.
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static const SkRect* top_only(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth) {
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static const char* name = "top";
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return generic_inset(enclosing, result, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth,
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kInsetLeft_Flag|kInsetRight_Flag|kInsetBot_Flag, name);
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}
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// Make a rect that only touches the enclosing rect on the right.
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static const SkRect* right_only(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth) {
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static const char* name = "right";
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return generic_inset(enclosing, result, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth,
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kInsetLeft_Flag|kInsetTop_Flag|kInsetBot_Flag, name);
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}
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// Make a rect that only touches the enclosing rect on the bottom.
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static const SkRect* bot_only(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth) {
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static const char* name = "bot";
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return generic_inset(enclosing, result, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth,
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kInsetLeft_Flag|kInsetTop_Flag|kInsetRight_Flag, name);
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}
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// Make a rect that is inset all around.
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static const SkRect* full_inset(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth) {
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static const char* name = "all";
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return generic_inset(enclosing, result, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth,
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kInsetLeft_Flag|kInsetTop_Flag|kInsetRight_Flag|kInsetBot_Flag, name);
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}
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// Make a rect with no inset. This is only used for constraint rect creation.
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static const SkRect* no_inset(const RectInfo& enclosing,
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RectInfo* result,
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bool isInsetHard,
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bool areCoordsLimitedToRect,
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float insetAmount,
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float halfFilterWidth) {
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static const char* name = "none";
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return generic_inset(enclosing, result, isInsetHard, areCoordsLimitedToRect,
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insetAmount, halfFilterWidth, 0, name);
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}
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static void proxy_test(skiatest::Reporter* reporter, GrContext* context) {
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GrTextureProducer_TestAccess::DomainMode actualMode, expectedMode;
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SkRect actualDomainRect;
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static const GrSamplerState::Filter gModes[] = {
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GrSamplerState::Filter::kNearest,
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GrSamplerState::Filter::kBilerp,
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GrSamplerState::Filter::kMipMap,
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};
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static const GrSamplerState::Filter* gModePtrs[] = {&gModes[0], &gModes[1], nullptr,
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&gModes[2]};
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static const float gHalfFilterWidth[] = { 0.0f, 0.5f, 1.5f, 10000.0f };
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for (auto isPowerOfTwoSized : { true, false }) {
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for (auto isExact : { true, false }) {
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RectInfo outermost;
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sk_sp<GrTextureProxy> proxy = create_proxy(context, isPowerOfTwoSized,
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isExact, &outermost);
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SkASSERT(outermost.isHardOrBadAllAround());
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for (auto isConstraintRectHard : { true, false }) {
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for (auto areCoordsLimitedToConstraintRect : { true, false }) {
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for (int filterMode = 0; filterMode < 4; ++filterMode) {
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for (auto constraintRectMaker : { left_only, top_only, right_only,
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bot_only, full_inset, no_inset }) {
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for (auto insetAmt : { 0.25f, 0.75f, 1.25f, 1.75f, 5.0f }) {
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RectInfo constraintRectStorage;
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const SkRect* constraintRect = (*constraintRectMaker)(
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outermost,
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&constraintRectStorage,
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isConstraintRectHard,
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areCoordsLimitedToConstraintRect,
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insetAmt,
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gHalfFilterWidth[filterMode]);
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SkASSERT(constraintRect); // always need one of these
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SkASSERT(outermost.rect().contains(*constraintRect));
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actualMode = GrTextureProducer_TestAccess::DetermineDomainMode(
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*constraintRect,
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isConstraintRectHard
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? GrTextureProducer::kYes_FilterConstraint
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: GrTextureProducer::kNo_FilterConstraint,
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areCoordsLimitedToConstraintRect,
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proxy.get(),
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gModePtrs[filterMode],
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&actualDomainRect);
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expectedMode = DomainMode::kNoDomain_DomainMode;
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if (constraintRectStorage.hasABad()) {
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if (3 == filterMode) {
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expectedMode = DomainMode::kTightCopy_DomainMode;
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} else {
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expectedMode = DomainMode::kDomain_DomainMode;
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}
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}
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REPORTER_ASSERT(reporter, expectedMode == actualMode);
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// TODO: add a check that the returned domain rect is correct
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}
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}
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}
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}
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}
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}
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}
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}
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(DetermineDomainModeTest, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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proxy_test(reporter, context);
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}
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