blob: 176d5da59b57cebcfd7441f56e43ea7a450be109 [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrContext.h"
#include "GrContextPriv.h"
#include "GrContextOptions.h"
#include "GrDrawingManager.h"
#include "GrDrawContext.h"
#include "GrResourceCache.h"
#include "GrResourceProvider.h"
#include "GrSoftwarePathRenderer.h"
#include "GrSurfacePriv.h"
#include "SkConfig8888.h"
#include "SkGrPriv.h"
#include "batches/GrCopySurfaceBatch.h"
#include "effects/GrConfigConversionEffect.h"
#include "effects/GrGammaEffect.h"
#include "text/GrTextBlobCache.h"
#define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this)
#define ASSERT_SINGLE_OWNER \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(&fSingleOwner);)
#define ASSERT_SINGLE_OWNER_PRIV \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(&fContext->fSingleOwner);)
#define RETURN_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return; }
#define RETURN_FALSE_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return false; }
#define RETURN_NULL_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return nullptr; }
////////////////////////////////////////////////////////////////////////////////
GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) {
GrContextOptions defaultOptions;
return Create(backend, backendContext, defaultOptions);
}
GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext,
const GrContextOptions& options) {
GrContext* context = new GrContext;
if (context->init(backend, backendContext, options)) {
return context;
} else {
context->unref();
return nullptr;
}
}
static int32_t gNextID = 1;
static int32_t next_id() {
int32_t id;
do {
id = sk_atomic_inc(&gNextID);
} while (id == SK_InvalidGenID);
return id;
}
GrContext::GrContext() : fUniqueID(next_id()) {
fGpu = nullptr;
fCaps = nullptr;
fResourceCache = nullptr;
fResourceProvider = nullptr;
fBatchFontCache = nullptr;
}
bool GrContext::init(GrBackend backend, GrBackendContext backendContext,
const GrContextOptions& options) {
ASSERT_SINGLE_OWNER
SkASSERT(!fGpu);
fGpu = GrGpu::Create(backend, backendContext, options, this);
if (!fGpu) {
return false;
}
this->initCommon(options);
return true;
}
void GrContext::initCommon(const GrContextOptions& options) {
ASSERT_SINGLE_OWNER
fCaps = SkRef(fGpu->caps());
fResourceCache = new GrResourceCache(fCaps);
fResourceProvider = new GrResourceProvider(fGpu, fResourceCache, &fSingleOwner);
fDidTestPMConversions = false;
GrDrawTarget::Options dtOptions;
dtOptions.fClipBatchToBounds = options.fClipBatchToBounds;
dtOptions.fDrawBatchBounds = options.fDrawBatchBounds;
dtOptions.fMaxBatchLookback = options.fMaxBatchLookback;
dtOptions.fMaxBatchLookahead = options.fMaxBatchLookahead;
GrPathRendererChain::Options prcOptions;
prcOptions.fDisableDistanceFieldRenderer = options.fDisableDistanceFieldPaths;
prcOptions.fAllowPathMaskCaching = options.fAllowPathMaskCaching;
prcOptions.fDisableAllPathRenderers = options.fForceSWPathMasks;
fDrawingManager.reset(new GrDrawingManager(this, dtOptions, prcOptions, options.fImmediateMode,
&fSingleOwner));
// GrBatchFontCache will eventually replace GrFontCache
fBatchFontCache = new GrBatchFontCache(this);
fTextBlobCache.reset(new GrTextBlobCache(TextBlobCacheOverBudgetCB, this));
}
GrContext::~GrContext() {
ASSERT_SINGLE_OWNER
if (!fGpu) {
SkASSERT(!fCaps);
return;
}
this->flush();
fDrawingManager->cleanup();
for (int i = 0; i < fCleanUpData.count(); ++i) {
(*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo);
}
delete fResourceProvider;
delete fResourceCache;
delete fBatchFontCache;
fGpu->unref();
fCaps->unref();
}
GrContextThreadSafeProxy* GrContext::threadSafeProxy() {
if (!fThreadSafeProxy) {
fThreadSafeProxy.reset(new GrContextThreadSafeProxy(fCaps, this->uniqueID()));
}
return SkRef(fThreadSafeProxy.get());
}
void GrContext::abandonContext() {
ASSERT_SINGLE_OWNER
fResourceProvider->abandon();
// Need to abandon the drawing manager first so all the render targets
// will be released/forgotten before they too are abandoned.
fDrawingManager->abandon();
// abandon first to so destructors
// don't try to free the resources in the API.
fResourceCache->abandonAll();
fGpu->disconnect(GrGpu::DisconnectType::kAbandon);
fBatchFontCache->freeAll();
fTextBlobCache->freeAll();
}
void GrContext::releaseResourcesAndAbandonContext() {
ASSERT_SINGLE_OWNER
fResourceProvider->abandon();
// Need to abandon the drawing manager first so all the render targets
// will be released/forgotten before they too are abandoned.
fDrawingManager->abandon();
// Release all resources in the backend 3D API.
fResourceCache->releaseAll();
fGpu->disconnect(GrGpu::DisconnectType::kCleanup);
fBatchFontCache->freeAll();
fTextBlobCache->freeAll();
}
void GrContext::resetContext(uint32_t state) {
ASSERT_SINGLE_OWNER
fGpu->markContextDirty(state);
}
void GrContext::freeGpuResources() {
ASSERT_SINGLE_OWNER
this->flush();
fBatchFontCache->freeAll();
fDrawingManager->freeGpuResources();
fResourceCache->purgeAllUnlocked();
}
void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const {
ASSERT_SINGLE_OWNER
if (resourceCount) {
*resourceCount = fResourceCache->getBudgetedResourceCount();
}
if (resourceBytes) {
*resourceBytes = fResourceCache->getBudgetedResourceBytes();
}
}
////////////////////////////////////////////////////////////////////////////////
void GrContext::TextBlobCacheOverBudgetCB(void* data) {
SkASSERT(data);
// TextBlobs are drawn at the SkGpuDevice level, therefore they cannot rely on GrDrawContext
// to perform a necessary flush. The solution is to move drawText calls to below the GrContext
// level, but this is not trivial because they call drawPath on SkGpuDevice.
GrContext* context = reinterpret_cast<GrContext*>(data);
context->flush();
}
////////////////////////////////////////////////////////////////////////////////
void GrContext::flush() {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
fDrawingManager->flush();
}
bool sw_convert_to_premul(GrPixelConfig srcConfig, int width, int height, size_t inRowBytes,
const void* inPixels, size_t outRowBytes, void* outPixels) {
SkSrcPixelInfo srcPI;
if (!GrPixelConfigToColorType(srcConfig, &srcPI.fColorType)) {
return false;
}
srcPI.fAlphaType = kUnpremul_SkAlphaType;
srcPI.fPixels = inPixels;
srcPI.fRowBytes = inRowBytes;
SkDstPixelInfo dstPI;
dstPI.fColorType = srcPI.fColorType;
dstPI.fAlphaType = kPremul_SkAlphaType;
dstPI.fPixels = outPixels;
dstPI.fRowBytes = outRowBytes;
return srcPI.convertPixelsTo(&dstPI, width, height);
}
bool GrContext::writeSurfacePixels(GrSurface* surface,
int left, int top, int width, int height,
GrPixelConfig srcConfig, const void* buffer, size_t rowBytes,
uint32_t pixelOpsFlags) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
ASSERT_OWNED_RESOURCE(surface);
SkASSERT(surface);
GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::writeSurfacePixels");
this->testPMConversionsIfNecessary(pixelOpsFlags);
// Trim the params here so that if we wind up making a temporary surface it can be as small as
// necessary and because GrGpu::getWritePixelsInfo requires it.
if (!GrSurfacePriv::AdjustWritePixelParams(surface->width(), surface->height(),
GrBytesPerPixel(srcConfig), &left, &top, &width,
&height, &buffer, &rowBytes)) {
return false;
}
bool applyPremulToSrc = false;
if (kUnpremul_PixelOpsFlag & pixelOpsFlags) {
if (!GrPixelConfigIs8888(srcConfig)) {
return false;
}
applyPremulToSrc = true;
}
GrGpu::DrawPreference drawPreference = GrGpu::kNoDraw_DrawPreference;
// Don't prefer to draw for the conversion (and thereby access a texture from the cache) when
// we've already determined that there isn't a roundtrip preserving conversion processor pair.
if (applyPremulToSrc && !this->didFailPMUPMConversionTest()) {
drawPreference = GrGpu::kCallerPrefersDraw_DrawPreference;
}
GrGpu::WritePixelTempDrawInfo tempDrawInfo;
if (!fGpu->getWritePixelsInfo(surface, width, height, srcConfig, &drawPreference,
&tempDrawInfo)) {
return false;
}
if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && surface->surfacePriv().hasPendingIO()) {
this->flush();
}
SkAutoTUnref<GrTexture> tempTexture;
if (GrGpu::kNoDraw_DrawPreference != drawPreference) {
tempTexture.reset(
this->textureProvider()->createApproxTexture(tempDrawInfo.fTempSurfaceDesc));
if (!tempTexture && GrGpu::kRequireDraw_DrawPreference == drawPreference) {
return false;
}
}
// temp buffer for doing sw premul conversion, if needed.
SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0);
if (tempTexture) {
sk_sp<GrFragmentProcessor> fp;
SkMatrix textureMatrix;
textureMatrix.setIDiv(tempTexture->width(), tempTexture->height());
if (applyPremulToSrc) {
fp = this->createUPMToPMEffect(tempTexture, tempDrawInfo.fSwizzle, textureMatrix);
// If premultiplying was the only reason for the draw, fall back to a straight write.
if (!fp) {
if (GrGpu::kCallerPrefersDraw_DrawPreference == drawPreference) {
tempTexture.reset(nullptr);
}
} else {
applyPremulToSrc = false;
}
}
if (tempTexture) {
if (!fp) {
fp = GrConfigConversionEffect::Make(tempTexture, tempDrawInfo.fSwizzle,
GrConfigConversionEffect::kNone_PMConversion,
textureMatrix);
if (!fp) {
return false;
}
}
GrRenderTarget* renderTarget = surface->asRenderTarget();
SkASSERT(renderTarget);
if (tempTexture->surfacePriv().hasPendingIO()) {
this->flush();
}
if (applyPremulToSrc) {
size_t tmpRowBytes = 4 * width;
tmpPixels.reset(width * height);
if (!sw_convert_to_premul(srcConfig, width, height, rowBytes, buffer, tmpRowBytes,
tmpPixels.get())) {
return false;
}
rowBytes = tmpRowBytes;
buffer = tmpPixels.get();
applyPremulToSrc = false;
}
if (!fGpu->writePixels(tempTexture, 0, 0, width, height,
tempDrawInfo.fWriteConfig, buffer,
rowBytes)) {
return false;
}
SkMatrix matrix;
matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top));
// TODO: Need to decide the semantics of this function for color spaces. Do we support
// conversion from a passed-in color space? For now, specifying nullptr means that this
// path will do no conversion, so it will match the behavior of the non-draw path.
sk_sp<GrDrawContext> drawContext(this->contextPriv().makeWrappedDrawContext(
sk_ref_sp(renderTarget),
nullptr));
if (!drawContext) {
return false;
}
GrPaint paint;
paint.addColorFragmentProcessor(std::move(fp));
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
paint.setAllowSRGBInputs(true);
SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
drawContext->drawRect(GrNoClip(), paint, matrix, rect, nullptr);
if (kFlushWrites_PixelOp & pixelOpsFlags) {
this->flushSurfaceWrites(surface);
}
}
}
if (!tempTexture) {
if (applyPremulToSrc) {
size_t tmpRowBytes = 4 * width;
tmpPixels.reset(width * height);
if (!sw_convert_to_premul(srcConfig, width, height, rowBytes, buffer, tmpRowBytes,
tmpPixels.get())) {
return false;
}
rowBytes = tmpRowBytes;
buffer = tmpPixels.get();
applyPremulToSrc = false;
}
return fGpu->writePixels(surface, left, top, width, height, srcConfig, buffer, rowBytes);
}
return true;
}
bool GrContext::readSurfacePixels(GrSurface* src,
int left, int top, int width, int height,
GrPixelConfig dstConfig, void* buffer, size_t rowBytes,
uint32_t flags) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
ASSERT_OWNED_RESOURCE(src);
SkASSERT(src);
GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::readSurfacePixels");
this->testPMConversionsIfNecessary(flags);
SkAutoMutexAcquire ama(fReadPixelsMutex);
// Adjust the params so that if we wind up using an intermediate surface we've already done
// all the trimming and the temporary can be the min size required.
if (!GrSurfacePriv::AdjustReadPixelParams(src->width(), src->height(),
GrBytesPerPixel(dstConfig), &left,
&top, &width, &height, &buffer, &rowBytes)) {
return false;
}
if (!(kDontFlush_PixelOpsFlag & flags) && src->surfacePriv().hasPendingWrite()) {
this->flush();
}
bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags);
if (unpremul && !GrPixelConfigIs8888(dstConfig)) {
// The unpremul flag is only allowed for 8888 configs.
return false;
}
GrGpu::DrawPreference drawPreference = GrGpu::kNoDraw_DrawPreference;
// Don't prefer to draw for the conversion (and thereby access a texture from the cache) when
// we've already determined that there isn't a roundtrip preserving conversion processor pair.
if (unpremul && !this->didFailPMUPMConversionTest()) {
drawPreference = GrGpu::kCallerPrefersDraw_DrawPreference;
}
GrGpu::ReadPixelTempDrawInfo tempDrawInfo;
if (!fGpu->getReadPixelsInfo(src, width, height, rowBytes, dstConfig, &drawPreference,
&tempDrawInfo)) {
return false;
}
SkAutoTUnref<GrSurface> surfaceToRead(SkRef(src));
bool didTempDraw = false;
if (GrGpu::kNoDraw_DrawPreference != drawPreference) {
if (SkBackingFit::kExact == tempDrawInfo.fTempSurfaceFit) {
// We only respect this when the entire src is being read. Otherwise we can trigger too
// many odd ball texture sizes and trash the cache.
if (width != src->width() || height != src->height()) {
tempDrawInfo.fTempSurfaceFit= SkBackingFit::kApprox;
}
}
// TODO: Need to decide the semantics of this function for color spaces. Do we support
// conversion to a passed-in color space? For now, specifying nullptr means that this
// path will do no conversion, so it will match the behavior of the non-draw path.
sk_sp<GrDrawContext> tempDC = this->makeDrawContext(tempDrawInfo.fTempSurfaceFit,
tempDrawInfo.fTempSurfaceDesc.fWidth,
tempDrawInfo.fTempSurfaceDesc.fHeight,
tempDrawInfo.fTempSurfaceDesc.fConfig,
nullptr,
tempDrawInfo.fTempSurfaceDesc.fSampleCnt,
tempDrawInfo.fTempSurfaceDesc.fOrigin);
if (tempDC) {
SkMatrix textureMatrix;
textureMatrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top));
textureMatrix.postIDiv(src->width(), src->height());
sk_sp<GrFragmentProcessor> fp;
if (unpremul) {
fp = this->createPMToUPMEffect(src->asTexture(), tempDrawInfo.fSwizzle,
textureMatrix);
if (fp) {
unpremul = false; // we no longer need to do this on CPU after the read back.
} else if (GrGpu::kCallerPrefersDraw_DrawPreference == drawPreference) {
// We only wanted to do the draw in order to perform the unpremul so don't
// bother.
tempDC.reset(nullptr);
}
}
if (!fp && tempDC) {
fp = GrConfigConversionEffect::Make(src->asTexture(), tempDrawInfo.fSwizzle,
GrConfigConversionEffect::kNone_PMConversion,
textureMatrix);
}
if (fp) {
GrPaint paint;
paint.addColorFragmentProcessor(std::move(fp));
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
paint.setAllowSRGBInputs(true);
SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
tempDC->drawRect(GrNoClip(), paint, SkMatrix::I(), rect, nullptr);
surfaceToRead.reset(tempDC->asTexture().release());
left = 0;
top = 0;
didTempDraw = true;
}
}
}
if (GrGpu::kRequireDraw_DrawPreference == drawPreference && !didTempDraw) {
return false;
}
GrPixelConfig configToRead = dstConfig;
if (didTempDraw) {
this->flushSurfaceWrites(surfaceToRead);
configToRead = tempDrawInfo.fReadConfig;
}
if (!fGpu->readPixels(surfaceToRead, left, top, width, height, configToRead, buffer,
rowBytes)) {
return false;
}
// Perform umpremul conversion if we weren't able to perform it as a draw.
if (unpremul) {
SkDstPixelInfo dstPI;
if (!GrPixelConfigToColorType(dstConfig, &dstPI.fColorType)) {
return false;
}
dstPI.fAlphaType = kUnpremul_SkAlphaType;
dstPI.fPixels = buffer;
dstPI.fRowBytes = rowBytes;
SkSrcPixelInfo srcPI;
srcPI.fColorType = dstPI.fColorType;
srcPI.fAlphaType = kPremul_SkAlphaType;
srcPI.fPixels = buffer;
srcPI.fRowBytes = rowBytes;
return srcPI.convertPixelsTo(&dstPI, width, height);
}
return true;
}
void GrContext::prepareSurfaceForExternalIO(GrSurface* surface) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkASSERT(surface);
ASSERT_OWNED_RESOURCE(surface);
fDrawingManager->prepareSurfaceForExternalIO(surface);
}
bool GrContext::copySurface(GrSurface* dst, GrSurface* src, const SkIRect& srcRect,
const SkIPoint& dstPoint) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::copySurface");
if (!src || !dst) {
return false;
}
ASSERT_OWNED_RESOURCE(src);
ASSERT_OWNED_RESOURCE(dst);
if (!dst->asRenderTarget()) {
SkIRect clippedSrcRect;
SkIPoint clippedDstPoint;
if (!GrCopySurfaceBatch::ClipSrcRectAndDstPoint(dst, src, srcRect, dstPoint,
&clippedSrcRect, &clippedDstPoint)) {
return false;
}
// If we don't have an RT for the dst then we won't have a GrDrawContext to insert the
// the copy surface into. In the future we plan to have a more limited Context type
// (GrCopyContext?) that has the subset of GrDrawContext operations that should be
// allowed on textures that aren't render targets.
// For now we just flush any writes to the src and issue an immediate copy to the dst.
src->flushWrites();
return fGpu->copySurface(dst, src, clippedSrcRect, clippedDstPoint);
}
sk_sp<GrDrawContext> drawContext(this->contextPriv().makeWrappedDrawContext(
sk_ref_sp(dst->asRenderTarget()),
nullptr));
if (!drawContext) {
return false;
}
if (!drawContext->copySurface(src, srcRect, dstPoint)) {
return false;
}
return true;
}
void GrContext::flushSurfaceWrites(GrSurface* surface) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
if (surface->surfacePriv().hasPendingWrite()) {
this->flush();
}
}
void GrContext::flushSurfaceIO(GrSurface* surface) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
if (surface->surfacePriv().hasPendingIO()) {
this->flush();
}
}
////////////////////////////////////////////////////////////////////////////////
int GrContext::getRecommendedSampleCount(GrPixelConfig config,
SkScalar dpi) const {
ASSERT_SINGLE_OWNER
if (!this->caps()->isConfigRenderable(config, true)) {
return 0;
}
int chosenSampleCount = 0;
if (fGpu->caps()->shaderCaps()->pathRenderingSupport()) {
if (dpi >= 250.0f) {
chosenSampleCount = 4;
} else {
chosenSampleCount = 16;
}
}
return chosenSampleCount <= fGpu->caps()->maxSampleCount() ? chosenSampleCount : 0;
}
sk_sp<GrDrawContext> GrContextPriv::makeWrappedDrawContext(sk_sp<GrRenderTarget> rt,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* surfaceProps) {
ASSERT_SINGLE_OWNER_PRIV
return this->drawingManager()->makeDrawContext(std::move(rt),
std::move(colorSpace),
surfaceProps);
}
sk_sp<GrDrawContext> GrContextPriv::makeBackendTextureDrawContext(const GrBackendTextureDesc& desc,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* props,
GrWrapOwnership ownership) {
ASSERT_SINGLE_OWNER_PRIV
SkASSERT(desc.fFlags & kRenderTarget_GrBackendTextureFlag);
sk_sp<GrSurface> surface(fContext->textureProvider()->wrapBackendTexture(desc, ownership));
if (!surface) {
return nullptr;
}
return this->drawingManager()->makeDrawContext(sk_ref_sp(surface->asRenderTarget()),
std::move(colorSpace), props);
}
sk_sp<GrDrawContext> GrContextPriv::makeBackendRenderTargetDrawContext(
const GrBackendRenderTargetDesc& desc,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* surfaceProps) {
ASSERT_SINGLE_OWNER_PRIV
sk_sp<GrRenderTarget> rt(fContext->textureProvider()->wrapBackendRenderTarget(desc));
if (!rt) {
return nullptr;
}
return this->drawingManager()->makeDrawContext(std::move(rt),
std::move(colorSpace),
surfaceProps);
}
sk_sp<GrDrawContext> GrContextPriv::makeBackendTextureAsRenderTargetDrawContext(
const GrBackendTextureDesc& desc,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* surfaceProps) {
ASSERT_SINGLE_OWNER_PRIV
SkASSERT(desc.fFlags & kRenderTarget_GrBackendTextureFlag);
sk_sp<GrSurface> surface(fContext->resourceProvider()->wrapBackendTextureAsRenderTarget(desc));
if (!surface) {
return nullptr;
}
return this->drawingManager()->makeDrawContext(sk_ref_sp(surface->asRenderTarget()),
std::move(colorSpace),
surfaceProps);
}
static inline GrPixelConfig GrPixelConfigFallback(GrPixelConfig config) {
static const GrPixelConfig kFallback[] = {
kUnknown_GrPixelConfig, // kUnknown_GrPixelConfig
kRGBA_8888_GrPixelConfig, // kAlpha_8_GrPixelConfig
kUnknown_GrPixelConfig, // kIndex_8_GrPixelConfig
kRGBA_8888_GrPixelConfig, // kRGB_565_GrPixelConfig
kRGBA_8888_GrPixelConfig, // kRGBA_4444_GrPixelConfig
kUnknown_GrPixelConfig, // kRGBA_8888_GrPixelConfig
kRGBA_8888_GrPixelConfig, // kBGRA_8888_GrPixelConfig
kUnknown_GrPixelConfig, // kSRGBA_8888_GrPixelConfig
kSRGBA_8888_GrPixelConfig, // kSBGRA_8888_GrPixelConfig
kUnknown_GrPixelConfig, // kETC1_GrPixelConfig
kUnknown_GrPixelConfig, // kLATC_GrPixelConfig
kUnknown_GrPixelConfig, // kR11_EAC_GrPixelConfig
kUnknown_GrPixelConfig, // kASTC_12x12_GrPixelConfig
kUnknown_GrPixelConfig, // kRGBA_float_GrPixelConfig
kRGBA_half_GrPixelConfig, // kAlpha_half_GrPixelConfig
kUnknown_GrPixelConfig, // kRGBA_half_GrPixelConfig
};
return kFallback[config];
GR_STATIC_ASSERT(0 == kUnknown_GrPixelConfig);
GR_STATIC_ASSERT(1 == kAlpha_8_GrPixelConfig);
GR_STATIC_ASSERT(2 == kIndex_8_GrPixelConfig);
GR_STATIC_ASSERT(3 == kRGB_565_GrPixelConfig);
GR_STATIC_ASSERT(4 == kRGBA_4444_GrPixelConfig);
GR_STATIC_ASSERT(5 == kRGBA_8888_GrPixelConfig);
GR_STATIC_ASSERT(6 == kBGRA_8888_GrPixelConfig);
GR_STATIC_ASSERT(7 == kSRGBA_8888_GrPixelConfig);
GR_STATIC_ASSERT(8 == kSBGRA_8888_GrPixelConfig);
GR_STATIC_ASSERT(9 == kETC1_GrPixelConfig);
GR_STATIC_ASSERT(10 == kLATC_GrPixelConfig);
GR_STATIC_ASSERT(11 == kR11_EAC_GrPixelConfig);
GR_STATIC_ASSERT(12 == kASTC_12x12_GrPixelConfig);
GR_STATIC_ASSERT(13 == kRGBA_float_GrPixelConfig);
GR_STATIC_ASSERT(14 == kAlpha_half_GrPixelConfig);
GR_STATIC_ASSERT(15 == kRGBA_half_GrPixelConfig);
GR_STATIC_ASSERT(SK_ARRAY_COUNT(kFallback) == kGrPixelConfigCnt);
}
sk_sp<GrDrawContext> GrContext::makeDrawContextWithFallback(SkBackingFit fit,
int width, int height,
GrPixelConfig config,
sk_sp<SkColorSpace> colorSpace,
int sampleCnt,
GrSurfaceOrigin origin,
const SkSurfaceProps* surfaceProps,
SkBudgeted budgeted) {
if (!this->caps()->isConfigRenderable(config, sampleCnt > 0)) {
config = GrPixelConfigFallback(config);
}
return this->makeDrawContext(fit, width, height, config, std::move(colorSpace),
sampleCnt, origin, surfaceProps, budgeted);
}
sk_sp<GrDrawContext> GrContext::makeDrawContext(SkBackingFit fit,
int width, int height,
GrPixelConfig config,
sk_sp<SkColorSpace> colorSpace,
int sampleCnt,
GrSurfaceOrigin origin,
const SkSurfaceProps* surfaceProps,
SkBudgeted budgeted) {
if (!this->caps()->isConfigRenderable(config, sampleCnt > 0)) {
return nullptr;
}
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fOrigin = origin;
desc.fWidth = width;
desc.fHeight = height;
desc.fConfig = config;
desc.fSampleCnt = sampleCnt;
sk_sp<GrTexture> tex;
if (SkBackingFit::kExact == fit) {
tex.reset(this->textureProvider()->createTexture(desc, budgeted));
} else {
tex.reset(this->textureProvider()->createApproxTexture(desc));
}
if (!tex) {
return nullptr;
}
sk_sp<GrDrawContext> drawContext(this->contextPriv().makeWrappedDrawContext(
sk_ref_sp(tex->asRenderTarget()),
std::move(colorSpace), surfaceProps));
if (!drawContext) {
return nullptr;
}
return drawContext;
}
bool GrContext::abandoned() const {
ASSERT_SINGLE_OWNER
return fDrawingManager->wasAbandoned();
}
namespace {
void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) {
GrConfigConversionEffect::PMConversion pmToUPM;
GrConfigConversionEffect::PMConversion upmToPM;
GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM);
*pmToUPMValue = pmToUPM;
*upmToPMValue = upmToPM;
}
}
void GrContext::testPMConversionsIfNecessary(uint32_t flags) {
ASSERT_SINGLE_OWNER
if (SkToBool(kUnpremul_PixelOpsFlag & flags)) {
SkAutoMutexAcquire ama(fTestPMConversionsMutex);
if (!fDidTestPMConversions) {
test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion);
fDidTestPMConversions = true;
}
}
}
sk_sp<GrFragmentProcessor> GrContext::createPMToUPMEffect(GrTexture* texture,
const GrSwizzle& swizzle,
const SkMatrix& matrix) const {
ASSERT_SINGLE_OWNER
// We should have already called this->testPMConversionsIfNecessary().
SkASSERT(fDidTestPMConversions);
GrConfigConversionEffect::PMConversion pmToUPM =
static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion);
if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) {
return GrConfigConversionEffect::Make(texture, swizzle, pmToUPM, matrix);
} else {
return nullptr;
}
}
sk_sp<GrFragmentProcessor> GrContext::createUPMToPMEffect(GrTexture* texture,
const GrSwizzle& swizzle,
const SkMatrix& matrix) const {
ASSERT_SINGLE_OWNER
// We should have already called this->testPMConversionsIfNecessary().
SkASSERT(fDidTestPMConversions);
GrConfigConversionEffect::PMConversion upmToPM =
static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion);
if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) {
return GrConfigConversionEffect::Make(texture, swizzle, upmToPM, matrix);
} else {
return nullptr;
}
}
bool GrContext::didFailPMUPMConversionTest() const {
ASSERT_SINGLE_OWNER
// We should have already called this->testPMConversionsIfNecessary().
SkASSERT(fDidTestPMConversions);
// The PM<->UPM tests fail or succeed together so we only need to check one.
return GrConfigConversionEffect::kNone_PMConversion == fPMToUPMConversion;
}
//////////////////////////////////////////////////////////////////////////////
void GrContext::getResourceCacheLimits(int* maxTextures, size_t* maxTextureBytes) const {
ASSERT_SINGLE_OWNER
if (maxTextures) {
*maxTextures = fResourceCache->getMaxResourceCount();
}
if (maxTextureBytes) {
*maxTextureBytes = fResourceCache->getMaxResourceBytes();
}
}
void GrContext::setResourceCacheLimits(int maxTextures, size_t maxTextureBytes) {
ASSERT_SINGLE_OWNER
fResourceCache->setLimits(maxTextures, maxTextureBytes);
}
//////////////////////////////////////////////////////////////////////////////
void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
ASSERT_SINGLE_OWNER
fResourceCache->dumpMemoryStatistics(traceMemoryDump);
}