std::unique_ptr<GrFragmentProcessor> GrTextureProducer::CreateFragmentProcessorForDomainAndFilter(
sk_sp<GrTextureProxy> proxy,
const SkMatrix& textureMatrix,
DomainMode domainMode,
const SkRect& domain,
const GrSamplerState::Filter* filterOrNullForBicubic) {
SkASSERT(kTightCopy_DomainMode != domainMode);
if (filterOrNullForBicubic) {
if (kDomain_DomainMode == domainMode) {
return GrTextureDomainEffect::Make(std::move(proxy), textureMatrix, domain,
GrTextureDomain::kClamp_Mode,
*filterOrNullForBicubic);
} else {
GrSamplerState samplerState(GrSamplerState::WrapMode::kClamp, *filterOrNullForBicubic);
return GrSimpleTextureEffect::Make(std::move(proxy), textureMatrix, samplerState);
}
} else {
if (kDomain_DomainMode == domainMode) {
return GrBicubicEffect::Make(std::move(proxy), textureMatrix, domain);
} else {
static const GrSamplerState::WrapMode kClampClamp[] = {
GrSamplerState::WrapMode::kClamp, GrSamplerState::WrapMode::kClamp};
return GrBicubicEffect::Make(std::move(proxy), textureMatrix, kClampClamp);
}
}
}
sk_sp<GrGeometryProcessor> GrBitmapTextGeoProc::TestCreate(GrProcessorTestData* d) {
int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx
: GrProcessorUnitTest::kAlphaTextureIdx;
sk_sp<GrTextureProxy> proxies[kMaxTextures] = {
d->textureProxy(texIdx),
nullptr,
nullptr,
nullptr
};
GrSamplerState::WrapMode wrapModes[2];
GrTest::TestWrapModes(d->fRandom, wrapModes);
GrSamplerState samplerState(wrapModes, d->fRandom->nextBool()
? GrSamplerState::Filter::kBilerp
: GrSamplerState::Filter::kNearest);
GrMaskFormat format = kARGB_GrMaskFormat; // init to avoid warning
switch (d->fRandom->nextULessThan(3)) {
case 0:
format = kA8_GrMaskFormat;
break;
case 1:
format = kA565_GrMaskFormat;
break;
case 2:
format = kARGB_GrMaskFormat;
break;
}
return GrBitmapTextGeoProc::Make(*d->caps()->shaderCaps(), GrRandomColor(d->fRandom), proxies,
1, samplerState, format, GrTest::TestMatrix(d->fRandom),
d->fRandom->nextBool());
}
sk_sp<GrGeometryProcessor> GrDistanceFieldLCDTextGeoProc::TestCreate(GrProcessorTestData* d) {
int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx :
GrProcessorUnitTest::kAlphaTextureIdx;
sk_sp<GrTextureProxy> proxies[kMaxTextures] = {
d->textureProxy(texIdx),
nullptr,
nullptr,
nullptr
};
GrSamplerState::WrapMode wrapModes[2];
GrTest::TestWrapModes(d->fRandom, wrapModes);
GrSamplerState samplerState(wrapModes, d->fRandom->nextBool()
? GrSamplerState::Filter::kBilerp
: GrSamplerState::Filter::kNearest);
DistanceAdjust wa = { 0.0f, 0.1f, -0.1f };
uint32_t flags = kUseLCD_DistanceFieldEffectFlag;
flags |= d->fRandom->nextBool() ? kSimilarity_DistanceFieldEffectFlag : 0;
if (flags & kSimilarity_DistanceFieldEffectFlag) {
flags |= d->fRandom->nextBool() ? kScaleOnly_DistanceFieldEffectFlag : 0;
}
flags |= d->fRandom->nextBool() ? kBGR_DistanceFieldEffectFlag : 0;
SkMatrix localMatrix = GrTest::TestMatrix(d->fRandom);
return GrDistanceFieldLCDTextGeoProc::Make(proxies, samplerState, wa, flags, localMatrix);
}
sk_sp<GrGeometryProcessor> GrDistanceFieldPathGeoProc::TestCreate(GrProcessorTestData* d) {
int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx
: GrProcessorUnitTest::kAlphaTextureIdx;
sk_sp<GrTextureProxy> proxies[kMaxTextures] = {
d->textureProxy(texIdx),
nullptr,
nullptr,
nullptr
};
GrSamplerState::WrapMode wrapModes[2];
GrTest::TestWrapModes(d->fRandom, wrapModes);
GrSamplerState samplerState(wrapModes, d->fRandom->nextBool()
? GrSamplerState::Filter::kBilerp
: GrSamplerState::Filter::kNearest);
uint32_t flags = 0;
flags |= d->fRandom->nextBool() ? kSimilarity_DistanceFieldEffectFlag : 0;
if (flags & kSimilarity_DistanceFieldEffectFlag) {
flags |= d->fRandom->nextBool() ? kScaleOnly_DistanceFieldEffectFlag : 0;
}
return GrDistanceFieldPathGeoProc::Make(GrTest::TestMatrix(d->fRandom),
proxies,
samplerState,
flags);
}
sk_sp<GrGeometryProcessor> GrDistanceFieldA8TextGeoProc::TestCreate(GrProcessorTestData* d) {
int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx
: GrProcessorUnitTest::kAlphaTextureIdx;
sk_sp<GrTextureProxy> proxies[kMaxTextures] = {
d->textureProxy(texIdx),
nullptr,
nullptr,
nullptr
};
GrSamplerState::WrapMode wrapModes[2];
GrTest::TestWrapModes(d->fRandom, wrapModes);
GrSamplerState samplerState(wrapModes, d->fRandom->nextBool()
? GrSamplerState::Filter::kBilerp
: GrSamplerState::Filter::kNearest);
uint32_t flags = 0;
flags |= d->fRandom->nextBool() ? kSimilarity_DistanceFieldEffectFlag : 0;
if (flags & kSimilarity_DistanceFieldEffectFlag) {
flags |= d->fRandom->nextBool() ? kScaleOnly_DistanceFieldEffectFlag : 0;
}
SkMatrix localMatrix = GrTest::TestMatrix(d->fRandom);
#ifdef SK_GAMMA_APPLY_TO_A8
float lum = d->fRandom->nextF();
#endif
return GrDistanceFieldA8TextGeoProc::Make(proxies,
samplerState,
#ifdef SK_GAMMA_APPLY_TO_A8
lum,
#endif
flags, localMatrix);
}
sk_sp<GrTextureProxy> GrTextureProducer::CopyOnGpu(GrContext* context,
sk_sp<GrTextureProxy> inputProxy,
const CopyParams& copyParams,
bool dstWillRequireMipMaps) {
SkASSERT(context);
const SkRect dstRect = SkRect::MakeIWH(copyParams.fWidth, copyParams.fHeight);
GrMipMapped mipMapped = dstWillRequireMipMaps ? GrMipMapped::kYes : GrMipMapped::kNo;
SkRect localRect = SkRect::MakeWH(inputProxy->width(), inputProxy->height());
bool needsDomain = false;
bool resizing = false;
if (copyParams.fFilter != GrSamplerState::Filter::kNearest) {
bool resizing = localRect.width() != dstRect.width() ||
localRect.height() != dstRect.height();
needsDomain = resizing && !GrProxyProvider::IsFunctionallyExact(inputProxy.get());
}
if (copyParams.fFilter == GrSamplerState::Filter::kNearest && !needsDomain && !resizing &&
dstWillRequireMipMaps) {
sk_sp<GrTextureProxy> proxy = GrCopyBaseMipMapToTextureProxy(context, inputProxy.get());
if (proxy) {
return proxy;
}
}
sk_sp<GrRenderTargetContext> copyRTC =
context->contextPriv().makeDeferredRenderTargetContextWithFallback(
SkBackingFit::kExact, dstRect.width(), dstRect.height(), inputProxy->config(),
nullptr, 1, mipMapped, inputProxy->origin());
if (!copyRTC) {
return nullptr;
}
GrPaint paint;
if (needsDomain) {
const SkRect domain = localRect.makeInset(0.5f, 0.5f);
// This would cause us to read values from outside the subset. Surely, the caller knows
// better!
SkASSERT(copyParams.fFilter != GrSamplerState::Filter::kMipMap);
paint.addColorFragmentProcessor(
GrTextureDomainEffect::Make(std::move(inputProxy), SkMatrix::I(), domain,
GrTextureDomain::kClamp_Mode, copyParams.fFilter));
} else {
GrSamplerState samplerState(GrSamplerState::WrapMode::kClamp, copyParams.fFilter);
paint.addColorTextureProcessor(std::move(inputProxy), SkMatrix::I(), samplerState);
}
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
copyRTC->fillRectToRect(GrNoClip(), std::move(paint), GrAA::kNo, SkMatrix::I(), dstRect,
localRect);
return copyRTC->asTextureProxyRef();
}
std::unique_ptr<GrFragmentProcessor> SkImageShader::asFragmentProcessor(
const GrFPArgs& args) const {
const auto lm = this->totalLocalMatrix(args.fPreLocalMatrix, args.fPostLocalMatrix);
SkMatrix lmInverse;
if (!lm->invert(&lmInverse)) {
return nullptr;
}
GrSamplerState::WrapMode wrapModes[] = {tile_mode_to_wrap_mode(fTileModeX),
tile_mode_to_wrap_mode(fTileModeY)};
// Must set wrap and filter on the sampler before requesting a texture. In two places below
// we check the matrix scale factors to determine how to interpret the filter quality setting.
// This completely ignores the complexity of the drawVertices case where explicit local coords
// are provided by the caller.
bool doBicubic;
GrSamplerState::Filter textureFilterMode = GrSkFilterQualityToGrFilterMode(
args.fFilterQuality, *args.fViewMatrix, *lm,
args.fContext->contextPriv().sharpenMipmappedTextures(), &doBicubic);
GrSamplerState samplerState(wrapModes, textureFilterMode);
sk_sp<SkColorSpace> texColorSpace;
SkScalar scaleAdjust[2] = { 1.0f, 1.0f };
sk_sp<GrTextureProxy> proxy(as_IB(fImage)->asTextureProxyRef(
args.fContext, samplerState, args.fDstColorSpaceInfo->colorSpace(), &texColorSpace,
scaleAdjust));
if (!proxy) {
return nullptr;
}
GrPixelConfig config = proxy->config();
bool isAlphaOnly = GrPixelConfigIsAlphaOnly(config);
lmInverse.postScale(scaleAdjust[0], scaleAdjust[1]);
std::unique_ptr<GrFragmentProcessor> inner;
if (doBicubic) {
inner = GrBicubicEffect::Make(std::move(proxy), lmInverse, wrapModes);
} else {
inner = GrSimpleTextureEffect::Make(std::move(proxy), lmInverse, samplerState);
}
inner = GrColorSpaceXformEffect::Make(std::move(inner), texColorSpace.get(), config,
args.fDstColorSpaceInfo->colorSpace());
if (isAlphaOnly) {
return inner;
}
return GrFragmentProcessor::MulChildByInputAlpha(std::move(inner));
}
bool TextureArraysWindow::CreateScene()
{
// Create the shaders and associated resources.
std::string filename = mEnvironment.GetPath("TextureArrays.hlsl");
std::shared_ptr<VisualProgram> program =
mProgramFactory.CreateFromFiles(filename, filename, "");
if (!program)
{
return false;
}
// Create a vertex buffer for a single triangle. The PNG is stored in
// left-handed coordinates. The texture coordinates are chosen to reflect
// the texture in the y-direction.
struct Vertex
{
Vector3<float> position;
Vector2<float> tcoord;
};
VertexFormat vformat;
vformat.Bind(VA_POSITION, DF_R32G32B32_FLOAT, 0);
vformat.Bind(VA_TEXCOORD, DF_R32G32_FLOAT, 0);
std::shared_ptr<VertexBuffer> vbuffer(new VertexBuffer(vformat, 4));
Vertex* vertex = vbuffer->Get<Vertex>();
vertex[0].position = { 0.0f, 0.0f, 0.0f };
vertex[0].tcoord = { 0.0f, 1.0f };
vertex[1].position = { 1.0f, 0.0f, 0.0f };
vertex[1].tcoord = { 1.0f, 1.0f };
vertex[2].position = { 0.0f, 1.0f, 0.0f };
vertex[2].tcoord = { 0.0f, 0.0f };
vertex[3].position = { 1.0f, 1.0f, 0.0f };
vertex[3].tcoord = { 1.0f, 0.0f };
// Create an indexless buffer for a triangle mesh with two triangles.
std::shared_ptr<IndexBuffer> ibuffer(new IndexBuffer(IP_TRISTRIP, 2));
// Create an effect for the vertex and pixel shaders. The texture is
// bilinearly filtered and the texture coordinates are clamped to [0,1]^2.
std::shared_ptr<ConstantBuffer> cbuffer(new ConstantBuffer(
sizeof(Matrix4x4<float>), true));
program->GetVShader()->Set("PVWMatrix", cbuffer);
std::shared_ptr<PixelShader> pshader = program->GetPShader();
std::shared_ptr<Texture1Array> t1array(new Texture1Array(2,
DF_R8G8B8A8_UNORM, 2));
unsigned int* t1data = t1array->Get<unsigned int>();
t1data[0] = 0xFF000000;
t1data[1] = 0xFFFFFFFF;
pshader->Set("myTexture1", t1array);
Texture2* stoneTexture = WICFileIO::Load(
mEnvironment.GetPath("StoneWall.png"), false);
std::shared_ptr<Texture2Array> t2array(new Texture2Array(2,
DF_R8G8B8A8_UNORM, 256, 256));
unsigned char* t2data = t2array->Get<unsigned char>();
size_t const numBytes = stoneTexture->GetNumBytes();
Memcpy(t2data, stoneTexture->GetData(), numBytes);
t2data += numBytes;
delete stoneTexture;
for (size_t i = 0; i < numBytes; ++i)
{
*t2data++ = static_cast<unsigned char>(rand() % 256);
}
pshader->Set("myTexture2", t2array);
std::shared_ptr<SamplerState> samplerState(new SamplerState());
samplerState->filter = SamplerState::MIN_L_MAG_L_MIP_P;
samplerState->mode[0] = SamplerState::CLAMP;
samplerState->mode[1] = SamplerState::CLAMP;
pshader->Set("mySampler", samplerState);
std::shared_ptr<VisualEffect> effect =
std::make_shared<VisualEffect>(program);
// Create the geometric object for drawing. Translate it so that its
// center of mass is at the origin. This supports virtual trackball
// motion about the object "center".
mSquare = std::make_shared<Visual>(vbuffer, ibuffer, effect);
mSquare->localTransform.SetTranslation(-0.5f, -0.5f, 0.0f);
// Enable automatic updates of pvw-matrices and w-matrices.
mCameraRig.Subscribe(mSquare->worldTransform, cbuffer);
mTrackball.Attach(mSquare);
mTrackball.Update();
return true;
}
