blob: 6e7d3a5ed0d1aeac96b2b5e48c2f780782366ba4 [file] [log] [blame]
/*
* 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 "include/gpu/GrContext.h"
#include "src/core/SkMathPriv.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrGpuResourcePriv.h"
#include "src/gpu/GrOpsTask.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,
UseAllocator useAllocator)
: INHERITED(format, desc, GrRenderable::kYes, origin, textureSwizzle, fit, budgeted,
isProtected, surfaceFlags, useAllocator)
, fSampleCnt(sampleCount)
, fWrapsVkSecondaryCB(WrapsVkSecondaryCB::kNo)
, fOutputSwizzle(outputSwizzle) {}
// Lazy-callback version
GrRenderTargetProxy::GrRenderTargetProxy(LazyInstantiateCallback&& callback,
const GrBackendFormat& format,
const GrSurfaceDesc& desc,
int sampleCount,
GrSurfaceOrigin origin,
const GrSwizzle& textureSwizzle,
const GrSwizzle& outputSwizzle,
SkBackingFit fit,
SkBudgeted budgeted,
GrProtected isProtected,
GrInternalSurfaceFlags surfaceFlags,
UseAllocator useAllocator,
WrapsVkSecondaryCB wrapsVkSecondaryCB)
: INHERITED(std::move(callback), format, desc, GrRenderable::kYes, origin, textureSwizzle,
fit, budgeted, isProtected, surfaceFlags, useAllocator)
, fSampleCnt(sampleCount)
, fWrapsVkSecondaryCB(wrapsVkSecondaryCB)
, fOutputSwizzle(outputSwizzle) {}
// Wrapped version
GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf,
GrSurfaceOrigin origin,
const GrSwizzle& textureSwizzle,
const GrSwizzle& outputSwizzle,
UseAllocator useAllocator,
WrapsVkSecondaryCB wrapsVkSecondaryCB)
: INHERITED(std::move(surf), origin, textureSwizzle, SkBackingFit::kExact, useAllocator)
, fSampleCnt(fTarget->asRenderTarget()->numSamples())
, fWrapsVkSecondaryCB(wrapsVkSecondaryCB)
, fOutputSwizzle(outputSwizzle) {
// The kRequiresManualMSAAResolve flag better not be set if we are not multisampled or if
// MSAA resolve should happen automatically.
//
// From the other side, we don't know enough about the wrapped surface to assert when
// kRequiresManualMSAAResolve *should* be set. e.g., The caller might be wrapping a backend
// texture as a render target at this point but we wouldn't know it.
SkASSERT(!(this->numSamples() <= 1 ||
fTarget->getContext()->priv().caps()->msaaResolvesAutomatically()) ||
!this->requiresManualMSAAResolve());
}
int GrRenderTargetProxy::maxWindowRectangles(const GrCaps& caps) const {
return this->glRTFBOIDIs0() ? 0 : caps.maxWindowRectangles();
}
bool GrRenderTargetProxy::instantiate(GrResourceProvider* resourceProvider) {
if (this->isLazy()) {
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 GrCaps& caps) 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(caps, this->backendFormat(), 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(((int)proxyFlags & kGrInternalRenderTargetFlagsMask) ==
((int)surfaceFlags & kGrInternalRenderTargetFlagsMask));
}
#endif