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robertphillips76948d42016-05-04 12:47:41 -07001/*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "GrRenderTargetProxy.h"
9
csmartdaltonf9635992016-08-10 11:09:07 -070010#include "GrCaps.h"
Robert Phillipse2f7d182016-12-15 09:23:05 -050011#include "GrGpuResourcePriv.h"
Robert Phillipsf2361d22016-10-25 14:20:06 -040012#include "GrRenderTargetOpList.h"
Robert Phillipsc7635fa2016-10-28 13:25:24 -040013#include "GrRenderTargetPriv.h"
Brian Osman32342f02017-03-04 08:12:46 -050014#include "GrResourceProvider.h"
Robert Phillips84a81202016-11-04 11:59:10 -040015#include "GrTextureRenderTargetProxy.h"
Brian Salomonbb5711a2017-05-17 13:49:59 -040016#include "SkMathPriv.h"
robertphillips76948d42016-05-04 12:47:41 -070017
csmartdaltonf9635992016-08-10 11:09:07 -070018// Deferred version
19// TODO: we can probably munge the 'desc' in both the wrapped and deferred
20// cases to make the sampleConfig/numSamples stuff more rational.
21GrRenderTargetProxy::GrRenderTargetProxy(const GrCaps& caps, const GrSurfaceDesc& desc,
Brian Salomon2a4f9832018-03-03 22:43:43 -050022 GrSurfaceOrigin origin, SkBackingFit fit,
Robert Phillipsfe0253f2018-03-16 16:47:25 -040023 SkBudgeted budgeted, GrInternalSurfaceFlags surfaceFlags)
24 : INHERITED(desc, origin, fit, budgeted, surfaceFlags)
Brian Salomonbb5711a2017-05-17 13:49:59 -040025 , fSampleCnt(desc.fSampleCnt)
Robert Phillipsfe0253f2018-03-16 16:47:25 -040026 , fNeedsStencil(false) {
csmartdaltonf9635992016-08-10 11:09:07 -070027 // Since we know the newly created render target will be internal, we are able to precompute
28 // what the flags will ultimately end up being.
Brian Salomonbdecacf2018-02-02 20:32:49 -050029 if (caps.usesMixedSamples() && fSampleCnt > 1) {
Robert Phillipsfe0253f2018-03-16 16:47:25 -040030 this->setHasMixedSamples();
csmartdaltonf9635992016-08-10 11:09:07 -070031 }
Jim Van Verth6a40abc2017-11-02 16:56:09 +000032 if (caps.maxWindowRectangles() > 0) {
Robert Phillipsfe0253f2018-03-16 16:47:25 -040033 this->setSupportsWindowRects();
csmartdaltonf9635992016-08-10 11:09:07 -070034 }
35}
36
Chris Dalton706a6ff2017-11-29 22:01:06 -070037// Lazy-callback version
Greg Daniel65fa8ca2018-01-10 17:06:31 -050038GrRenderTargetProxy::GrRenderTargetProxy(LazyInstantiateCallback&& callback,
Brian Salomon2a4f9832018-03-03 22:43:43 -050039 LazyInstantiationType lazyType, const GrSurfaceDesc& desc,
40 GrSurfaceOrigin origin, SkBackingFit fit,
Robert Phillipsfe0253f2018-03-16 16:47:25 -040041 SkBudgeted budgeted, GrInternalSurfaceFlags surfaceFlags)
42 : INHERITED(std::move(callback), lazyType, desc, origin, fit, budgeted, surfaceFlags)
Greg Daniel65fa8ca2018-01-10 17:06:31 -050043 , fSampleCnt(desc.fSampleCnt)
Robert Phillipsfe0253f2018-03-16 16:47:25 -040044 , fNeedsStencil(false) {
Greg Daniel65fa8ca2018-01-10 17:06:31 -050045 SkASSERT(SkToBool(kRenderTarget_GrSurfaceFlag & desc.fFlags));
Chris Dalton706a6ff2017-11-29 22:01:06 -070046}
47
csmartdaltonf9635992016-08-10 11:09:07 -070048// Wrapped version
Robert Phillips066f0202017-07-25 10:16:35 -040049GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf, GrSurfaceOrigin origin)
Chris Dalton706a6ff2017-11-29 22:01:06 -070050 : INHERITED(std::move(surf), origin, SkBackingFit::kExact)
51 , fSampleCnt(fTarget->asRenderTarget()->numStencilSamples())
Robert Phillipsfe0253f2018-03-16 16:47:25 -040052 , fNeedsStencil(false) {
Robert Phillipsc4f0a822017-06-13 08:11:36 -040053}
robertphillips76948d42016-05-04 12:47:41 -070054
Robert Phillipsec2249f2016-11-09 08:54:35 -050055int GrRenderTargetProxy::maxWindowRectangles(const GrCaps& caps) const {
Robert Phillipsfe0253f2018-03-16 16:47:25 -040056 return this->supportsWindowRects() ? caps.maxWindowRectangles() : 0;
Robert Phillipsec2249f2016-11-09 08:54:35 -050057}
58
Robert Phillipseee4d6e2017-06-05 09:26:07 -040059bool GrRenderTargetProxy::instantiate(GrResourceProvider* resourceProvider) {
Greg Daniel0a375db2018-02-01 12:21:39 -050060 if (LazyState::kNot != this->lazyInstantiationState()) {
61 return false;
62 }
Robert Phillipsfe0253f2018-03-16 16:47:25 -040063 static constexpr GrSurfaceDescFlags kDescFlags = kRenderTarget_GrSurfaceFlag;
robertphillips76948d42016-05-04 12:47:41 -070064
Robert Phillipsfe0253f2018-03-16 16:47:25 -040065 if (!this->instantiateImpl(resourceProvider, fSampleCnt, fNeedsStencil, kDescFlags,
Greg Danield2d8e922018-02-12 12:07:39 -050066 GrMipMapped::kNo, nullptr)) {
Robert Phillipseee4d6e2017-06-05 09:26:07 -040067 return false;
robertphillips76948d42016-05-04 12:47:41 -070068 }
Robert Phillipseee4d6e2017-06-05 09:26:07 -040069 SkASSERT(fTarget->asRenderTarget());
Greg Daniele252f082017-10-23 16:05:23 -040070 SkASSERT(!fTarget->asTexture());
Robert Phillipseee4d6e2017-06-05 09:26:07 -040071 return true;
robertphillips76948d42016-05-04 12:47:41 -070072}
73
Robert Phillips5af44de2017-07-18 14:49:38 -040074sk_sp<GrSurface> GrRenderTargetProxy::createSurface(GrResourceProvider* resourceProvider) const {
Robert Phillipsfe0253f2018-03-16 16:47:25 -040075 static constexpr GrSurfaceDescFlags kDescFlags = kRenderTarget_GrSurfaceFlag;
Robert Phillips5af44de2017-07-18 14:49:38 -040076
Robert Phillips65048132017-08-10 08:44:49 -040077 sk_sp<GrSurface> surface = this->createSurfaceImpl(resourceProvider, fSampleCnt, fNeedsStencil,
Robert Phillipsfe0253f2018-03-16 16:47:25 -040078 kDescFlags, GrMipMapped::kNo);
Robert Phillips5af44de2017-07-18 14:49:38 -040079 if (!surface) {
80 return nullptr;
81 }
82 SkASSERT(surface->asRenderTarget());
Greg Daniele252f082017-10-23 16:05:23 -040083 SkASSERT(!surface->asTexture());
Robert Phillips5af44de2017-07-18 14:49:38 -040084 return surface;
85}
86
Brian Salomonbb5711a2017-05-17 13:49:59 -040087size_t GrRenderTargetProxy::onUninstantiatedGpuMemorySize() const {
Brian Salomonbdecacf2018-02-02 20:32:49 -050088 int colorSamplesPerPixel = this->numColorSamples();
89 if (colorSamplesPerPixel > 1) {
90 // Add one for the resolve buffer.
91 ++colorSamplesPerPixel;
92 }
Greg Daniele252f082017-10-23 16:05:23 -040093
Robert Phillips8bc06d02016-11-01 17:28:40 -040094 // TODO: do we have enough information to improve this worst case estimate?
Chris Dalton706a6ff2017-11-29 22:01:06 -070095 return GrSurface::ComputeSize(this->config(), this->width(), this->height(),
96 colorSamplesPerPixel, GrMipMapped::kNo, !this->priv().isExact());
Robert Phillips8bc06d02016-11-01 17:28:40 -040097}
98
Robert Phillipse2f7d182016-12-15 09:23:05 -050099bool GrRenderTargetProxy::refsWrappedObjects() const {
100 if (!fTarget) {
101 return false;
102 }
103
104 return fTarget->resourcePriv().refsWrappedObjects();
105}
Robert Phillipse8fabb22018-02-04 14:33:21 -0500106
107#ifdef SK_DEBUG
108void GrRenderTargetProxy::validateLazySurface(const GrSurface* surface) {
109 SkASSERT(!surface->asTexture());
110
111 // Anything that is checked here should be duplicated in GrTextureRenderTargetProxy's version
112 SkASSERT(surface->asRenderTarget());
113 SkASSERT(surface->asRenderTarget()->numStencilSamples() == this->numStencilSamples());
114}
115#endif