blob: b3ef41465949742b4807aaef0565d7c8fbfcf344 [file] [log] [blame]
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <new>
#include "include/core/SkPoint.h"
#include "include/core/SkPoint3.h"
#include "include/gpu/GrTexture.h"
#include "include/private/GrRecordingContext.h"
#include "include/private/SkFloatingPoint.h"
#include "include/private/SkTo.h"
#include "src/core/SkMathPriv.h"
#include "src/core/SkMatrixPriv.h"
#include "src/core/SkRectPriv.h"
#include "src/gpu/GrAppliedClip.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrDrawOpTest.h"
#include "src/gpu/GrGeometryProcessor.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrMemoryPool.h"
#include "src/gpu/GrOpFlushState.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrResourceProviderPriv.h"
#include "src/gpu/GrShaderCaps.h"
#include "src/gpu/GrTexturePriv.h"
#include "src/gpu/GrTextureProxy.h"
#include "src/gpu/SkGr.h"
#include "src/gpu/effects/GrTextureDomain.h"
#include "src/gpu/effects/generated/GrSaturateProcessor.h"
#include "src/gpu/geometry/GrQuad.h"
#include "src/gpu/geometry/GrQuadBuffer.h"
#include "src/gpu/geometry/GrQuadUtils.h"
#include "src/gpu/glsl/GrGLSLVarying.h"
#include "src/gpu/ops/GrFillRectOp.h"
#include "src/gpu/ops/GrMeshDrawOp.h"
#include "src/gpu/ops/GrQuadPerEdgeAA.h"
#include "src/gpu/ops/GrTextureOp.h"
namespace {
using Domain = GrQuadPerEdgeAA::Domain;
using VertexSpec = GrQuadPerEdgeAA::VertexSpec;
using ColorType = GrQuadPerEdgeAA::ColorType;
// Extracts lengths of vertical and horizontal edges of axis-aligned quad. "width" is the edge
// between v0 and v2 (or v1 and v3), "height" is the edge between v0 and v1 (or v2 and v3).
static SkSize axis_aligned_quad_size(const GrQuad& quad) {
SkASSERT(quad.quadType() == GrQuad::Type::kAxisAligned);
// Simplification of regular edge length equation, since it's axis aligned and can avoid sqrt
float dw = sk_float_abs(quad.x(2) - quad.x(0)) + sk_float_abs(quad.y(2) - quad.y(0));
float dh = sk_float_abs(quad.x(1) - quad.x(0)) + sk_float_abs(quad.y(1) - quad.y(0));
return {dw, dh};
}
static bool filter_has_effect(const GrQuad& srcQuad, const GrQuad& dstQuad) {
// If not axis-aligned in src or dst, then always say it has an effect
if (srcQuad.quadType() != GrQuad::Type::kAxisAligned ||
dstQuad.quadType() != GrQuad::Type::kAxisAligned) {
return true;
}
SkRect srcRect;
SkRect dstRect;
if (srcQuad.asRect(&srcRect) && dstQuad.asRect(&dstRect)) {
// Disable filtering when there is no scaling (width and height are the same), and the
// top-left corners have the same fraction (so src and dst snap to the pixel grid
// identically).
SkASSERT(srcRect.isSorted());
return srcRect.width() != dstRect.width() || srcRect.height() != dstRect.height() ||
SkScalarFraction(srcRect.fLeft) != SkScalarFraction(dstRect.fLeft) ||
SkScalarFraction(srcRect.fTop) != SkScalarFraction(dstRect.fTop);
} else {
// Although the quads are axis-aligned, the local coordinate system is transformed such
// that fractionally-aligned sample centers will not align with the device coordinate system
// So disable filtering when edges are the same length and both srcQuad and dstQuad
// 0th vertex is integer aligned.
if (SkScalarIsInt(srcQuad.x(0)) && SkScalarIsInt(srcQuad.y(0)) &&
SkScalarIsInt(dstQuad.x(0)) && SkScalarIsInt(dstQuad.y(0))) {
// Extract edge lengths
SkSize srcSize = axis_aligned_quad_size(srcQuad);
SkSize dstSize = axis_aligned_quad_size(dstQuad);
return srcSize.fWidth != dstSize.fWidth || srcSize.fHeight != dstSize.fHeight;
} else {
return true;
}
}
}
// if normalizing the domain then pass 1/width, 1/height, 1 for iw, ih, h. Otherwise pass
// 1, 1, and height.
static void compute_domain(Domain domain, GrSamplerState::Filter filter, GrSurfaceOrigin origin,
const SkRect& domainRect, float iw, float ih, float h, SkRect* out) {
static constexpr SkRect kLargeRect = {-100000, -100000, 1000000, 1000000};
if (domain == Domain::kNo) {
// Either the quad has no domain constraint and is batched with a domain constrained op
// (in which case we want a domain that doesn't restrict normalized tex coords), or the
// entire op doesn't use the domain, in which case the returned value is ignored.
*out = kLargeRect;
return;
}
auto ltrb = Sk4f::Load(&domainRect);
if (filter == GrSamplerState::Filter::kBilerp) {
auto rblt = SkNx_shuffle<2, 3, 0, 1>(ltrb);
auto whwh = (rblt - ltrb).abs();
auto c = (rblt + ltrb) * 0.5f;
static const Sk4f kOffsets = {0.5f, 0.5f, -0.5f, -0.5f};
ltrb = (whwh < 1.f).thenElse(c, ltrb + kOffsets);
}
ltrb *= Sk4f(iw, ih, iw, ih);
if (origin == kBottomLeft_GrSurfaceOrigin) {
static const Sk4f kMul = {1.f, -1.f, 1.f, -1.f};
const Sk4f kAdd = {0.f, h, 0.f, h};
ltrb = SkNx_shuffle<0, 3, 2, 1>(kMul * ltrb + kAdd);
}
ltrb.store(out);
}
// Normalizes logical src coords and corrects for origin
static void compute_src_quad(GrSurfaceOrigin origin, const GrQuad& srcQuad,
float iw, float ih, float h, GrQuad* out) {
// The src quad should not have any perspective
SkASSERT(!srcQuad.hasPerspective() && !out->hasPerspective());
skvx::Vec<4, float> xs = srcQuad.x4f() * iw;
skvx::Vec<4, float> ys = srcQuad.y4f() * ih;
if (origin == kBottomLeft_GrSurfaceOrigin) {
ys = h - ys;
}
xs.store(out->xs());
ys.store(out->ys());
out->setQuadType(srcQuad.quadType());
}
/**
* Op that implements GrTextureOp::Make. It draws textured quads. Each quad can modulate against a
* the texture by color. The blend with the destination is always src-over. The edges are non-AA.
*/
class TextureOp final : public GrMeshDrawOp {
public:
static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
sk_sp<GrTextureProxy> proxy,
sk_sp<GrColorSpaceXform> textureXform,
GrSamplerState::Filter filter,
const SkPMColor4f& color,
GrTextureOp::Saturate saturate,
GrAAType aaType,
GrQuadAAFlags aaFlags,
const GrQuad& deviceQuad,
const GrQuad& localQuad,
const SkRect* domain) {
GrOpMemoryPool* pool = context->priv().opMemoryPool();
return pool->allocate<TextureOp>(std::move(proxy), std::move(textureXform), filter, color,
saturate, aaType, aaFlags, deviceQuad, localQuad, domain);
}
static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
const GrRenderTargetContext::TextureSetEntry set[],
int cnt,
GrSamplerState::Filter filter,
GrTextureOp::Saturate saturate,
GrAAType aaType,
SkCanvas::SrcRectConstraint constraint,
const SkMatrix& viewMatrix,
sk_sp<GrColorSpaceXform> textureColorSpaceXform) {
size_t size = sizeof(TextureOp) + sizeof(Proxy) * (cnt - 1);
GrOpMemoryPool* pool = context->priv().opMemoryPool();
void* mem = pool->allocate(size);
return std::unique_ptr<GrDrawOp>(new (mem) TextureOp(set, cnt, filter, saturate, aaType,
constraint, viewMatrix,
std::move(textureColorSpaceXform)));
}
~TextureOp() override {
for (unsigned p = 0; p < fProxyCnt; ++p) {
fProxies[p].fProxy->unref();
}
}
const char* name() const override { return "TextureOp"; }
void visitProxies(const VisitProxyFunc& func) const override {
for (unsigned p = 0; p < fProxyCnt; ++p) {
bool mipped = (GrSamplerState::Filter::kMipMap == this->filter());
func(fProxies[p].fProxy, GrMipMapped(mipped));
}
}
#ifdef SK_DEBUG
SkString dumpInfo() const override {
SkString str;
str.appendf("# draws: %d\n", fQuads.count());
auto iter = fQuads.iterator();
for (unsigned p = 0; p < fProxyCnt; ++p) {
str.appendf("Proxy ID: %d, Filter: %d\n", fProxies[p].fProxy->uniqueID().asUInt(),
static_cast<int>(fFilter));
int i = 0;
while(i < fProxies[p].fQuadCnt && iter.next()) {
const GrQuad& quad = iter.deviceQuad();
const GrQuad& uv = iter.localQuad();
const ColorDomainAndAA& info = iter.metadata();
str.appendf(
"%d: Color: 0x%08x, Domain(%d): [L: %.2f, T: %.2f, R: %.2f, B: %.2f]\n"
" UVs [(%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f)]\n"
" Quad [(%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f)]\n",
i, info.fColor.toBytes_RGBA(), info.fHasDomain, info.fDomainRect.fLeft,
info.fDomainRect.fTop, info.fDomainRect.fRight, info.fDomainRect.fBottom,
quad.point(0).fX, quad.point(0).fY, quad.point(1).fX, quad.point(1).fY,
quad.point(2).fX, quad.point(2).fY, quad.point(3).fX, quad.point(3).fY,
uv.point(0).fX, uv.point(0).fY, uv.point(1).fX, uv.point(1).fY,
uv.point(2).fX, uv.point(2).fY, uv.point(3).fX, uv.point(3).fY);
i++;
}
}
str += INHERITED::dumpInfo();
return str;
}
#endif
GrProcessorSet::Analysis finalize(
const GrCaps& caps, const GrAppliedClip*, bool hasMixedSampledCoverage,
GrClampType clampType) override {
fColorType = static_cast<unsigned>(ColorType::kNone);
auto iter = fQuads.metadata();
while(iter.next()) {
auto colorType = GrQuadPerEdgeAA::MinColorType(iter->fColor, clampType, caps);
fColorType = SkTMax(fColorType, static_cast<unsigned>(colorType));
}
return GrProcessorSet::EmptySetAnalysis();
}
FixedFunctionFlags fixedFunctionFlags() const override {
return this->aaType() == GrAAType::kMSAA ? FixedFunctionFlags::kUsesHWAA
: FixedFunctionFlags::kNone;
}
DEFINE_OP_CLASS_ID
private:
friend class ::GrOpMemoryPool;
struct ColorDomainAndAA {
ColorDomainAndAA(const SkPMColor4f& color, const SkRect* domainRect, GrQuadAAFlags aaFlags)
: fColor(color)
, fDomainRect(domainRect ? *domainRect : SkRect::MakeEmpty())
, fHasDomain(static_cast<unsigned>(domainRect ? Domain::kYes : Domain::kNo))
, fAAFlags(static_cast<unsigned>(aaFlags)) {
SkASSERT(fAAFlags == static_cast<unsigned>(aaFlags));
}
SkPMColor4f fColor;
SkRect fDomainRect;
unsigned fHasDomain : 1;
unsigned fAAFlags : 4;
Domain domain() const { return Domain(fHasDomain); }
GrQuadAAFlags aaFlags() const { return static_cast<GrQuadAAFlags>(fAAFlags); }
};
struct Proxy {
GrTextureProxy* fProxy;
int fQuadCnt;
};
// dstQuad should be the geometry transformed by the view matrix. If domainRect
// is not null it will be used to apply the strict src rect constraint.
TextureOp(sk_sp<GrTextureProxy> proxy,
sk_sp<GrColorSpaceXform> textureColorSpaceXform,
GrSamplerState::Filter filter,
const SkPMColor4f& color,
GrTextureOp::Saturate saturate,
GrAAType aaType,
GrQuadAAFlags aaFlags,
const GrQuad& dstQuad,
const GrQuad& srcQuad,
const SkRect* domainRect)
: INHERITED(ClassID())
, fQuads(1, true /* includes locals */)
, fTextureColorSpaceXform(std::move(textureColorSpaceXform))
, fSaturate(static_cast<unsigned>(saturate))
, fFilter(static_cast<unsigned>(filter)) {
// Clean up disparities between the overall aa type and edge configuration and apply
// optimizations based on the rect and matrix when appropriate
GrQuadUtils::ResolveAAType(aaType, aaFlags, dstQuad, &aaType, &aaFlags);
fAAType = static_cast<unsigned>(aaType);
// We expect our caller to have already caught this optimization.
SkASSERT(!domainRect || !domainRect->contains(proxy->getWorstCaseBoundsRect()));
// We may have had a strict constraint with nearest filter solely due to possible AA bloat.
// If we don't have (or determined we don't need) coverage AA then we can skip using a
// domain.
if (domainRect && this->filter() == GrSamplerState::Filter::kNearest &&
aaType != GrAAType::kCoverage) {
domainRect = nullptr;
}
fQuads.append(dstQuad, {color, domainRect, aaFlags}, &srcQuad);
fProxyCnt = 1;
fProxies[0] = {proxy.release(), 1};
this->setBounds(dstQuad.bounds(), HasAABloat(aaType == GrAAType::kCoverage),
IsHairline::kNo);
fDomain = static_cast<unsigned>(domainRect != nullptr);
}
TextureOp(const GrRenderTargetContext::TextureSetEntry set[],
int cnt,
GrSamplerState::Filter filter,
GrTextureOp::Saturate saturate,
GrAAType aaType,
SkCanvas::SrcRectConstraint constraint,
const SkMatrix& viewMatrix,
sk_sp<GrColorSpaceXform> textureColorSpaceXform)
: INHERITED(ClassID())
, fQuads(cnt, true /* includes locals */)
, fTextureColorSpaceXform(std::move(textureColorSpaceXform))
, fSaturate(static_cast<unsigned>(saturate))
, fFilter(static_cast<unsigned>(filter)) {
fProxyCnt = SkToUInt(cnt);
SkRect bounds = SkRectPriv::MakeLargestInverted();
GrAAType overallAAType = GrAAType::kNone; // aa type maximally compatible with all dst rects
bool mustFilter = false;
bool allOpaque = true;
Domain netDomain = Domain::kNo;
for (unsigned p = 0; p < fProxyCnt; ++p) {
fProxies[p].fProxy = SkRef(set[p].fProxy.get());
fProxies[p].fQuadCnt = 1;
SkASSERT(fProxies[p].fProxy->textureType() == fProxies[0].fProxy->textureType());
SkASSERT(fProxies[p].fProxy->config() == fProxies[0].fProxy->config());
SkMatrix ctm = viewMatrix;
if (set[p].fPreViewMatrix) {
ctm.preConcat(*set[p].fPreViewMatrix);
}
// Use dstRect/srcRect unless dstClip is provided, in which case derive new source
// coordinates by mapping dstClipQuad by the dstRect to srcRect transform.
GrQuad quad, srcQuad;
if (set[p].fDstClipQuad) {
quad = GrQuad::MakeFromSkQuad(set[p].fDstClipQuad, ctm);
SkPoint srcPts[4];
GrMapRectPoints(set[p].fDstRect, set[p].fSrcRect, set[p].fDstClipQuad, srcPts, 4);
srcQuad = GrQuad::MakeFromSkQuad(srcPts, SkMatrix::I());
} else {
quad = GrQuad::MakeFromRect(set[p].fDstRect, ctm);
srcQuad = GrQuad(set[p].fSrcRect);
}
if (!mustFilter && this->filter() != GrSamplerState::Filter::kNearest) {
mustFilter = filter_has_effect(srcQuad, quad);
}
bounds.joinPossiblyEmptyRect(quad.bounds());
GrQuadAAFlags aaFlags;
// Don't update the overall aaType, might be inappropriate for some of the quads
GrAAType aaForQuad;
GrQuadUtils::ResolveAAType(aaType, set[p].fAAFlags, quad, &aaForQuad, &aaFlags);
// Resolve sets aaForQuad to aaType or None, there is never a change between aa methods
SkASSERT(aaForQuad == GrAAType::kNone || aaForQuad == aaType);
if (overallAAType == GrAAType::kNone && aaForQuad != GrAAType::kNone) {
overallAAType = aaType;
}
// Calculate metadata for the entry
const SkRect* domainForQuad = nullptr;
if (constraint == SkCanvas::kStrict_SrcRectConstraint) {
// Check (briefly) if the strict constraint is needed for this set entry
if (!set[p].fSrcRect.contains(fProxies[p].fProxy->getWorstCaseBoundsRect()) &&
(mustFilter || aaForQuad == GrAAType::kCoverage)) {
// Can't rely on hardware clamping and the draw will access outer texels
// for AA and/or bilerp
netDomain = Domain::kYes;
domainForQuad = &set[p].fSrcRect;
}
}
float alpha = SkTPin(set[p].fAlpha, 0.f, 1.f);
allOpaque &= (1.f == alpha);
SkPMColor4f color{alpha, alpha, alpha, alpha};
fQuads.append(quad, {color, domainForQuad, aaFlags}, &srcQuad);
}
fAAType = static_cast<unsigned>(overallAAType);
if (!mustFilter) {
fFilter = static_cast<unsigned>(GrSamplerState::Filter::kNearest);
}
this->setBounds(bounds, HasAABloat(this->aaType() == GrAAType::kCoverage),
IsHairline::kNo);
fDomain = static_cast<unsigned>(netDomain);
}
void tess(void* v, const VertexSpec& spec, const GrTextureProxy* proxy,
GrQuadBuffer<ColorDomainAndAA>::Iter* iter, int cnt) const {
TRACE_EVENT0("skia.gpu", TRACE_FUNC);
auto origin = proxy->origin();
const auto* texture = proxy->peekTexture();
float iw, ih, h;
if (proxy->textureType() == GrTextureType::kRectangle) {
iw = ih = 1.f;
h = texture->height();
} else {
iw = 1.f / texture->width();
ih = 1.f / texture->height();
h = 1.f;
}
int i = 0;
// Explicit ctor ensures ws are 1s, which compute_src_quad requires
GrQuad srcQuad(SkRect::MakeEmpty());
SkRect domain;
while(i < cnt && iter->next()) {
SkASSERT(iter->isLocalValid());
const ColorDomainAndAA& info = iter->metadata();
// Must correct the texture coordinates and domain now that the real texture size
// is known
compute_src_quad(origin, iter->localQuad(), iw, ih, h, &srcQuad);
compute_domain(info.domain(), this->filter(), origin, info.fDomainRect, iw, ih, h,
&domain);
v = GrQuadPerEdgeAA::Tessellate(v, spec, iter->deviceQuad(), info.fColor, srcQuad,
domain, info.aaFlags());
i++;
}
}
void onPrepareDraws(Target* target) override {
TRACE_EVENT0("skia.gpu", TRACE_FUNC);
GrQuad::Type quadType = GrQuad::Type::kAxisAligned;
GrQuad::Type srcQuadType = GrQuad::Type::kAxisAligned;
Domain domain = Domain::kNo;
ColorType colorType = ColorType::kNone;
int numProxies = 0;
int numTotalQuads = 0;
auto textureType = fProxies[0].fProxy->textureType();
const GrSwizzle& swizzle = fProxies[0].fProxy->textureSwizzle();
GrAAType aaType = this->aaType();
for (const auto& op : ChainRange<TextureOp>(this)) {
if (op.fQuads.deviceQuadType() > quadType) {
quadType = op.fQuads.deviceQuadType();
}
if (op.fQuads.localQuadType() > srcQuadType) {
srcQuadType = op.fQuads.localQuadType();
}
if (op.fDomain) {
domain = Domain::kYes;
}
colorType = SkTMax(colorType, static_cast<ColorType>(op.fColorType));
numProxies += op.fProxyCnt;
for (unsigned p = 0; p < op.fProxyCnt; ++p) {
numTotalQuads += op.fProxies[p].fQuadCnt;
auto* proxy = op.fProxies[p].fProxy;
if (!proxy->isInstantiated()) {
return;
}
SkASSERT(proxy->textureType() == textureType);
SkASSERT(proxy->textureSwizzle() == swizzle);
}
if (op.aaType() == GrAAType::kCoverage) {
SkASSERT(aaType == GrAAType::kCoverage || aaType == GrAAType::kNone);
aaType = GrAAType::kCoverage;
}
}
VertexSpec vertexSpec(quadType, colorType, srcQuadType, /* hasLocal */ true, domain, aaType,
/* alpha as coverage */ true);
GrSamplerState samplerState = GrSamplerState(GrSamplerState::WrapMode::kClamp,
this->filter());
GrGpu* gpu = target->resourceProvider()->priv().gpu();
uint32_t extraSamplerKey = gpu->getExtraSamplerKeyForProgram(
samplerState, fProxies[0].fProxy->backendFormat());
auto saturate = static_cast<GrTextureOp::Saturate>(fSaturate);
sk_sp<GrGeometryProcessor> gp = GrQuadPerEdgeAA::MakeTexturedProcessor(
vertexSpec, *target->caps().shaderCaps(), textureType, samplerState, swizzle,
extraSamplerKey, std::move(fTextureColorSpaceXform), saturate);
// We'll use a dynamic state array for the GP textures when there are multiple ops.
// Otherwise, we use fixed dynamic state to specify the single op's proxy.
GrPipeline::DynamicStateArrays* dynamicStateArrays = nullptr;
GrPipeline::FixedDynamicState* fixedDynamicState;
if (numProxies > 1) {
dynamicStateArrays = target->allocDynamicStateArrays(numProxies, 1, false);
fixedDynamicState = target->makeFixedDynamicState(0);
} else {
fixedDynamicState = target->makeFixedDynamicState(1);
fixedDynamicState->fPrimitiveProcessorTextures[0] = fProxies[0].fProxy;
}
size_t vertexSize = gp->vertexStride();
GrMesh* meshes = target->allocMeshes(numProxies);
sk_sp<const GrBuffer> vbuffer;
int vertexOffsetInBuffer = 0;
int numQuadVerticesLeft = numTotalQuads * vertexSpec.verticesPerQuad();
int numAllocatedVertices = 0;
void* vdata = nullptr;
int m = 0;
for (const auto& op : ChainRange<TextureOp>(this)) {
auto iter = op.fQuads.iterator();
for (unsigned p = 0; p < op.fProxyCnt; ++p) {
int quadCnt = op.fProxies[p].fQuadCnt;
auto* proxy = op.fProxies[p].fProxy;
int meshVertexCnt = quadCnt * vertexSpec.verticesPerQuad();
if (numAllocatedVertices < meshVertexCnt) {
vdata = target->makeVertexSpaceAtLeast(
vertexSize, meshVertexCnt, numQuadVerticesLeft, &vbuffer,
&vertexOffsetInBuffer, &numAllocatedVertices);
SkASSERT(numAllocatedVertices <= numQuadVerticesLeft);
if (!vdata) {
SkDebugf("Could not allocate vertices\n");
return;
}
}
SkASSERT(numAllocatedVertices >= meshVertexCnt);
op.tess(vdata, vertexSpec, proxy, &iter, quadCnt);
if (!GrQuadPerEdgeAA::ConfigureMeshIndices(target, &(meshes[m]), vertexSpec,
quadCnt)) {
SkDebugf("Could not allocate indices");
return;
}
meshes[m].setVertexData(vbuffer, vertexOffsetInBuffer);
if (dynamicStateArrays) {
dynamicStateArrays->fPrimitiveProcessorTextures[m] = proxy;
}
++m;
numAllocatedVertices -= meshVertexCnt;
numQuadVerticesLeft -= meshVertexCnt;
vertexOffsetInBuffer += meshVertexCnt;
vdata = reinterpret_cast<char*>(vdata) + vertexSize * meshVertexCnt;
}
// If quad counts per proxy were calculated correctly, the entire iterator should have
// been consumed.
SkASSERT(!iter.next());
}
SkASSERT(!numQuadVerticesLeft);
SkASSERT(!numAllocatedVertices);
target->recordDraw(
std::move(gp), meshes, numProxies, fixedDynamicState, dynamicStateArrays);
}
void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override {
auto pipelineFlags = (GrAAType::kMSAA == this->aaType())
? GrPipeline::InputFlags::kHWAntialias
: GrPipeline::InputFlags::kNone;
flushState->executeDrawsAndUploadsForMeshDrawOp(
this, chainBounds, GrProcessorSet::MakeEmptySet(), pipelineFlags);
}
CombineResult onCombineIfPossible(GrOp* t, const GrCaps& caps) override {
TRACE_EVENT0("skia.gpu", TRACE_FUNC);
const auto* that = t->cast<TextureOp>();
if (fDomain != that->fDomain) {
// It is technically possible to combine operations across domain modes, but performance
// testing suggests it's better to make more draw calls where some take advantage of
// the more optimal shader path without coordinate clamping.
return CombineResult::kCannotCombine;
}
if (!GrColorSpaceXform::Equals(fTextureColorSpaceXform.get(),
that->fTextureColorSpaceXform.get())) {
return CombineResult::kCannotCombine;
}
bool upgradeToCoverageAAOnMerge = false;
if (this->aaType() != that->aaType()) {
if (!((this->aaType() == GrAAType::kCoverage && that->aaType() == GrAAType::kNone) ||
(that->aaType() == GrAAType::kCoverage && this->aaType() == GrAAType::kNone))) {
return CombineResult::kCannotCombine;
}
upgradeToCoverageAAOnMerge = true;
}
if (fSaturate != that->fSaturate) {
return CombineResult::kCannotCombine;
}
if (fFilter != that->fFilter) {
return CombineResult::kCannotCombine;
}
auto thisProxy = fProxies[0].fProxy;
auto thatProxy = that->fProxies[0].fProxy;
if (fProxyCnt > 1 || that->fProxyCnt > 1 ||
thisProxy->uniqueID() != thatProxy->uniqueID()) {
// We can't merge across different proxies. Check if 'this' can be chained with 'that'.
if (GrTextureProxy::ProxiesAreCompatibleAsDynamicState(thisProxy, thatProxy) &&
caps.dynamicStateArrayGeometryProcessorTextureSupport()) {
return CombineResult::kMayChain;
}
return CombineResult::kCannotCombine;
}
fDomain |= that->fDomain;
fColorType = SkTMax(fColorType, that->fColorType);
if (upgradeToCoverageAAOnMerge) {
fAAType = static_cast<unsigned>(GrAAType::kCoverage);
}
// Concatenate quad lists together
fQuads.concat(that->fQuads);
fProxies[0].fQuadCnt += that->fQuads.count();
return CombineResult::kMerged;
}
GrAAType aaType() const { return static_cast<GrAAType>(fAAType); }
GrSamplerState::Filter filter() const { return static_cast<GrSamplerState::Filter>(fFilter); }
GrQuadBuffer<ColorDomainAndAA> fQuads;
sk_sp<GrColorSpaceXform> fTextureColorSpaceXform;
unsigned fSaturate : 1;
unsigned fFilter : 2;
unsigned fAAType : 2;
unsigned fDomain : 1;
unsigned fColorType : 2;
GR_STATIC_ASSERT(GrQuadPerEdgeAA::kColorTypeCount <= 4);
unsigned fProxyCnt : 32 - 8;
Proxy fProxies[1];
static_assert(GrQuad::kTypeCount <= 4, "GrQuad::Type does not fit in 2 bits");
typedef GrMeshDrawOp INHERITED;
};
} // anonymous namespace
namespace GrTextureOp {
std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
sk_sp<GrTextureProxy> proxy,
sk_sp<GrColorSpaceXform> textureXform,
GrSamplerState::Filter filter,
const SkPMColor4f& color,
Saturate saturate,
SkBlendMode blendMode,
GrAAType aaType,
GrQuadAAFlags aaFlags,
const GrQuad& deviceQuad,
const GrQuad& localQuad,
const SkRect* domain) {
// Apply optimizations that are valid whether or not using GrTextureOp or GrFillRectOp
if (domain && domain->contains(proxy->getWorstCaseBoundsRect())) {
// No need for a shader-based domain if hardware clamping achieves the same effect
domain = nullptr;
}
if (filter != GrSamplerState::Filter::kNearest && !filter_has_effect(localQuad, deviceQuad)) {
filter = GrSamplerState::Filter::kNearest;
}
if (blendMode == SkBlendMode::kSrcOver) {
return TextureOp::Make(context, std::move(proxy), std::move(textureXform), filter, color,
saturate, aaType, aaFlags, deviceQuad, localQuad, domain);
} else {
// Emulate complex blending using GrFillRectOp
GrPaint paint;
paint.setColor4f(color);
paint.setXPFactory(SkBlendMode_AsXPFactory(blendMode));
std::unique_ptr<GrFragmentProcessor> fp;
if (domain) {
// Update domain to match what GrTextureOp computes during tessellation, using top-left
// as the origin so that it doesn't depend on final texture size (which the FP handles
// later, as well as accounting for the true origin).
SkRect correctedDomain;
compute_domain(Domain::kYes, filter, kTopLeft_GrSurfaceOrigin, *domain,
1.f, 1.f, proxy->height(), &correctedDomain);
fp = GrTextureDomainEffect::Make(std::move(proxy), SkMatrix::I(), correctedDomain,
GrTextureDomain::kClamp_Mode, filter);
} else {
fp = GrSimpleTextureEffect::Make(std::move(proxy), SkMatrix::I(), filter);
}
fp = GrColorSpaceXformEffect::Make(std::move(fp), std::move(textureXform));
paint.addColorFragmentProcessor(std::move(fp));
if (saturate == GrTextureOp::Saturate::kYes) {
paint.addColorFragmentProcessor(GrSaturateProcessor::Make());
}
return GrFillRectOp::Make(context, std::move(paint), aaType, aaFlags,
deviceQuad, localQuad);
}
}
std::unique_ptr<GrDrawOp> MakeSet(GrRecordingContext* context,
const GrRenderTargetContext::TextureSetEntry set[],
int cnt,
GrSamplerState::Filter filter,
Saturate saturate,
GrAAType aaType,
SkCanvas::SrcRectConstraint constraint,
const SkMatrix& viewMatrix,
sk_sp<GrColorSpaceXform> textureColorSpaceXform) {
return TextureOp::Make(context, set, cnt, filter, saturate, aaType, constraint, viewMatrix,
std::move(textureColorSpaceXform));
}
} // namespace GrTextureOp
#if GR_TEST_UTILS
#include "include/private/GrRecordingContext.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrRecordingContextPriv.h"
GR_DRAW_OP_TEST_DEFINE(TextureOp) {
GrSurfaceDesc desc;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fHeight = random->nextULessThan(90) + 10;
desc.fWidth = random->nextULessThan(90) + 10;
auto origin = random->nextBool() ? kTopLeft_GrSurfaceOrigin : kBottomLeft_GrSurfaceOrigin;
GrMipMapped mipMapped = random->nextBool() ? GrMipMapped::kYes : GrMipMapped::kNo;
SkBackingFit fit = SkBackingFit::kExact;
if (mipMapped == GrMipMapped::kNo) {
fit = random->nextBool() ? SkBackingFit::kApprox : SkBackingFit::kExact;
}
const GrBackendFormat format =
context->priv().caps()->getDefaultBackendFormat(GrColorType::kRGBA_8888,
GrRenderable::kNo);
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(
format, desc, GrRenderable::kNo, 1, origin, mipMapped, fit, SkBudgeted::kNo,
GrProtected::kNo, GrInternalSurfaceFlags::kNone);
SkRect rect = GrTest::TestRect(random);
SkRect srcRect;
srcRect.fLeft = random->nextRangeScalar(0.f, proxy->width() / 2.f);
srcRect.fRight = random->nextRangeScalar(0.f, proxy->width()) + proxy->width() / 2.f;
srcRect.fTop = random->nextRangeScalar(0.f, proxy->height() / 2.f);
srcRect.fBottom = random->nextRangeScalar(0.f, proxy->height()) + proxy->height() / 2.f;
SkMatrix viewMatrix = GrTest::TestMatrixPreservesRightAngles(random);
SkPMColor4f color = SkPMColor4f::FromBytes_RGBA(SkColorToPremulGrColor(random->nextU()));
GrSamplerState::Filter filter = (GrSamplerState::Filter)random->nextULessThan(
static_cast<uint32_t>(GrSamplerState::Filter::kMipMap) + 1);
while (mipMapped == GrMipMapped::kNo && filter == GrSamplerState::Filter::kMipMap) {
filter = (GrSamplerState::Filter)random->nextULessThan(
static_cast<uint32_t>(GrSamplerState::Filter::kMipMap) + 1);
}
auto texXform = GrTest::TestColorXform(random);
GrAAType aaType = GrAAType::kNone;
if (random->nextBool()) {
aaType = (numSamples > 1) ? GrAAType::kMSAA : GrAAType::kCoverage;
}
GrQuadAAFlags aaFlags = GrQuadAAFlags::kNone;
aaFlags |= random->nextBool() ? GrQuadAAFlags::kLeft : GrQuadAAFlags::kNone;
aaFlags |= random->nextBool() ? GrQuadAAFlags::kTop : GrQuadAAFlags::kNone;
aaFlags |= random->nextBool() ? GrQuadAAFlags::kRight : GrQuadAAFlags::kNone;
aaFlags |= random->nextBool() ? GrQuadAAFlags::kBottom : GrQuadAAFlags::kNone;
bool useDomain = random->nextBool();
auto saturate = random->nextBool() ? GrTextureOp::Saturate::kYes : GrTextureOp::Saturate::kNo;
return GrTextureOp::Make(context, std::move(proxy), std::move(texXform), filter, color,
saturate, SkBlendMode::kSrcOver, aaType, aaFlags,
GrQuad::MakeFromRect(rect, viewMatrix), GrQuad(srcRect),
useDomain ? &srcRect : nullptr);
}
#endif