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- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "src/gpu/GrRenderTargetProxy.h"
- #include "src/core/SkMathPriv.h"
- #include "src/gpu/GrCaps.h"
- #include "src/gpu/GrGpuResourcePriv.h"
- #include "src/gpu/GrRenderTargetOpList.h"
- #include "src/gpu/GrRenderTargetPriv.h"
- #include "src/gpu/GrResourceProvider.h"
- #include "src/gpu/GrSurfacePriv.h"
- #include "src/gpu/GrTextureRenderTargetProxy.h"
- // Deferred version
- // TODO: we can probably munge the 'desc' in both the wrapped and deferred
- // cases to make the sampleConfig/numSamples stuff more rational.
- GrRenderTargetProxy::GrRenderTargetProxy(const GrCaps& caps, const GrBackendFormat& format,
- const GrSurfaceDesc& desc, int sampleCount,
- GrSurfaceOrigin origin, const GrSwizzle& textureSwizzle,
- const GrSwizzle& outputSwizzle, SkBackingFit fit,
- SkBudgeted budgeted, GrProtected isProtected,
- GrInternalSurfaceFlags surfaceFlags)
- : INHERITED(format, desc, GrRenderable::kYes, origin, textureSwizzle, fit, budgeted,
- isProtected, surfaceFlags)
- , fSampleCnt(sampleCount)
- , fWrapsVkSecondaryCB(WrapsVkSecondaryCB::kNo)
- , fOutputSwizzle(outputSwizzle) {}
- // Lazy-callback version
- GrRenderTargetProxy::GrRenderTargetProxy(
- LazyInstantiateCallback&& callback, LazyInstantiationType lazyType,
- const GrBackendFormat& format, const GrSurfaceDesc& desc, int sampleCount,
- GrSurfaceOrigin origin, const GrSwizzle& textureSwizzle, const GrSwizzle& outputSwizzle,
- SkBackingFit fit, SkBudgeted budgeted, GrProtected isProtected,
- GrInternalSurfaceFlags surfaceFlags, WrapsVkSecondaryCB wrapsVkSecondaryCB)
- : INHERITED(std::move(callback), lazyType, format, desc, GrRenderable::kYes, origin,
- textureSwizzle, fit, budgeted, isProtected, surfaceFlags)
- , fSampleCnt(sampleCount)
- , fWrapsVkSecondaryCB(wrapsVkSecondaryCB)
- , fOutputSwizzle(outputSwizzle) {}
- // Wrapped version
- GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf, GrSurfaceOrigin origin,
- const GrSwizzle& textureSwizzle,
- const GrSwizzle& outputSwizzle,
- WrapsVkSecondaryCB wrapsVkSecondaryCB)
- : INHERITED(std::move(surf), origin, textureSwizzle, SkBackingFit::kExact)
- , fSampleCnt(fTarget->asRenderTarget()->numSamples())
- , fWrapsVkSecondaryCB(wrapsVkSecondaryCB)
- , fOutputSwizzle(outputSwizzle) {
- }
- int GrRenderTargetProxy::maxWindowRectangles(const GrCaps& caps) const {
- return this->glRTFBOIDIs0() ? 0 : caps.maxWindowRectangles();
- }
- bool GrRenderTargetProxy::instantiate(GrResourceProvider* resourceProvider) {
- if (LazyState::kNot != this->lazyInstantiationState()) {
- return false;
- }
- if (!this->instantiateImpl(resourceProvider, fSampleCnt, fNumStencilSamples, GrRenderable::kYes,
- GrMipMapped::kNo, nullptr)) {
- return false;
- }
- SkASSERT(this->peekRenderTarget());
- SkASSERT(!this->peekTexture());
- return true;
- }
- bool GrRenderTargetProxy::canChangeStencilAttachment() const {
- if (!fTarget) {
- // If we aren't instantiated, then we definitely are an internal render target. Ganesh is
- // free to change stencil attachments on internal render targets.
- return true;
- }
- return fTarget->asRenderTarget()->canAttemptStencilAttachment();
- }
- sk_sp<GrSurface> GrRenderTargetProxy::createSurface(GrResourceProvider* resourceProvider) const {
- sk_sp<GrSurface> surface = this->createSurfaceImpl(
- resourceProvider, fSampleCnt, fNumStencilSamples, GrRenderable::kYes, GrMipMapped::kNo);
- if (!surface) {
- return nullptr;
- }
- SkASSERT(surface->asRenderTarget());
- SkASSERT(!surface->asTexture());
- return surface;
- }
- size_t GrRenderTargetProxy::onUninstantiatedGpuMemorySize() const {
- int colorSamplesPerPixel = this->numSamples();
- if (colorSamplesPerPixel > 1) {
- // Add one for the resolve buffer.
- ++colorSamplesPerPixel;
- }
- // TODO: do we have enough information to improve this worst case estimate?
- return GrSurface::ComputeSize(this->config(), this->width(), this->height(),
- colorSamplesPerPixel, GrMipMapped::kNo, !this->priv().isExact());
- }
- bool GrRenderTargetProxy::refsWrappedObjects() const {
- if (!this->isInstantiated()) {
- return false;
- }
- GrSurface* surface = this->peekSurface();
- return surface->resourcePriv().refsWrappedObjects();
- }
- #ifdef SK_DEBUG
- void GrRenderTargetProxy::onValidateSurface(const GrSurface* surface) {
- // We do not check that surface->asTexture returns null since, when replaying DDLs we
- // can fulfill a renderTarget-only proxy w/ a textureRenderTarget.
- // Anything that is checked here should be duplicated in GrTextureRenderTargetProxy's version
- SkASSERT(surface->asRenderTarget());
- SkASSERT(surface->asRenderTarget()->numSamples() == this->numSamples());
- GrInternalSurfaceFlags proxyFlags = fSurfaceFlags;
- GrInternalSurfaceFlags surfaceFlags = surface->surfacePriv().flags();
- SkASSERT((proxyFlags & GrInternalSurfaceFlags::kRenderTargetMask) ==
- (surfaceFlags & GrInternalSurfaceFlags::kRenderTargetMask));
- }
- #endif
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