robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 | |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 8 | #include "GrDrawContext.h" |
| 9 | #include "GrDrawingManager.h" |
| 10 | #include "GrDrawTarget.h" |
joshualitt | 96880d9 | 2016-02-16 10:36:53 -0800 | [diff] [blame] | 11 | #include "GrPathRenderingDrawContext.h" |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 12 | #include "GrResourceProvider.h" |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 13 | #include "GrSoftwarePathRenderer.h" |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 14 | #include "SkTTopoSort.h" |
| 15 | |
joshualitt | e804292 | 2015-12-11 06:11:21 -0800 | [diff] [blame] | 16 | #include "text/GrAtlasTextContext.h" |
| 17 | #include "text/GrStencilAndCoverTextContext.h" |
robertphillips | 498d7ac | 2015-10-30 10:11:30 -0700 | [diff] [blame] | 18 | |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 19 | void GrDrawingManager::cleanup() { |
| 20 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
robertphillips | 0dfa62c | 2015-11-16 06:23:31 -0800 | [diff] [blame] | 21 | fDrawTargets[i]->makeClosed(); // no drawTarget should receive a new command after this |
| 22 | fDrawTargets[i]->clearRT(); |
| 23 | |
joshualitt | 20ccd40 | 2016-01-05 08:56:56 -0800 | [diff] [blame] | 24 | // We shouldn't need to do this, but it turns out some clients still hold onto drawtargets |
| 25 | // after a cleanup |
| 26 | fDrawTargets[i]->reset(); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 27 | fDrawTargets[i]->unref(); |
| 28 | } |
| 29 | |
| 30 | fDrawTargets.reset(); |
| 31 | |
robertphillips | 13391dd | 2015-10-30 05:15:11 -0700 | [diff] [blame] | 32 | delete fPathRendererChain; |
| 33 | fPathRendererChain = nullptr; |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 34 | SkSafeSetNull(fSoftwarePathRenderer); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | GrDrawingManager::~GrDrawingManager() { |
| 38 | this->cleanup(); |
| 39 | } |
| 40 | |
| 41 | void GrDrawingManager::abandon() { |
| 42 | fAbandoned = true; |
| 43 | this->cleanup(); |
| 44 | } |
| 45 | |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 46 | void GrDrawingManager::freeGpuResources() { |
| 47 | // a path renderer may be holding onto resources |
robertphillips | 13391dd | 2015-10-30 05:15:11 -0700 | [diff] [blame] | 48 | delete fPathRendererChain; |
| 49 | fPathRendererChain = nullptr; |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 50 | SkSafeSetNull(fSoftwarePathRenderer); |
| 51 | } |
| 52 | |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 53 | void GrDrawingManager::reset() { |
| 54 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
| 55 | fDrawTargets[i]->reset(); |
| 56 | } |
robertphillips | a13e202 | 2015-11-11 12:01:09 -0800 | [diff] [blame] | 57 | fFlushState.reset(); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | void GrDrawingManager::flush() { |
joshualitt | 719c480 | 2016-02-09 10:09:55 -0800 | [diff] [blame] | 61 | if (fFlushing || this->abandoned()) { |
joshualitt | b8918c4 | 2015-12-18 09:59:46 -0800 | [diff] [blame] | 62 | return; |
| 63 | } |
| 64 | fFlushing = true; |
| 65 | |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 66 | SkDEBUGCODE(bool result =) |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 67 | SkTTopoSort<GrDrawTarget, GrDrawTarget::TopoSortTraits>(&fDrawTargets); |
| 68 | SkASSERT(result); |
| 69 | |
robertphillips | a13e202 | 2015-11-11 12:01:09 -0800 | [diff] [blame] | 70 | #if 0 |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 71 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
robertphillips | a13e202 | 2015-11-11 12:01:09 -0800 | [diff] [blame] | 72 | SkDEBUGCODE(fDrawTargets[i]->dump();) |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 73 | } |
robertphillips | a13e202 | 2015-11-11 12:01:09 -0800 | [diff] [blame] | 74 | #endif |
| 75 | |
| 76 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
| 77 | fDrawTargets[i]->prepareBatches(&fFlushState); |
| 78 | } |
| 79 | |
| 80 | // Upload all data to the GPU |
| 81 | fFlushState.preIssueDraws(); |
| 82 | |
| 83 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
| 84 | fDrawTargets[i]->drawBatches(&fFlushState); |
| 85 | } |
| 86 | |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame^] | 87 | SkASSERT(fFlushState.nextDrawToken() == fFlushState.nextTokenToFlush()); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 88 | |
robertphillips | 0dfa62c | 2015-11-16 06:23:31 -0800 | [diff] [blame] | 89 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
| 90 | fDrawTargets[i]->reset(); |
| 91 | #ifdef ENABLE_MDB |
| 92 | fDrawTargets[i]->unref(); |
| 93 | #endif |
| 94 | } |
| 95 | |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 96 | #ifndef ENABLE_MDB |
| 97 | // When MDB is disabled we keep reusing the same drawTarget |
| 98 | if (fDrawTargets.count()) { |
| 99 | SkASSERT(fDrawTargets.count() == 1); |
robertphillips | 0dfa62c | 2015-11-16 06:23:31 -0800 | [diff] [blame] | 100 | // Clear out this flag so the topological sort's SkTTopoSort_CheckAllUnmarked check |
| 101 | // won't bark |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 102 | fDrawTargets[0]->resetFlag(GrDrawTarget::kWasOutput_Flag); |
| 103 | } |
robertphillips | 0dfa62c | 2015-11-16 06:23:31 -0800 | [diff] [blame] | 104 | #else |
| 105 | fDrawTargets.reset(); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 106 | #endif |
robertphillips | a13e202 | 2015-11-11 12:01:09 -0800 | [diff] [blame] | 107 | |
robertphillips | a13e202 | 2015-11-11 12:01:09 -0800 | [diff] [blame] | 108 | fFlushState.reset(); |
joshualitt | b8918c4 | 2015-12-18 09:59:46 -0800 | [diff] [blame] | 109 | fFlushing = false; |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 110 | } |
| 111 | |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 112 | GrDrawTarget* GrDrawingManager::newDrawTarget(GrRenderTarget* rt) { |
| 113 | SkASSERT(fContext); |
| 114 | |
| 115 | #ifndef ENABLE_MDB |
| 116 | // When MDB is disabled we always just return the single drawTarget |
| 117 | if (fDrawTargets.count()) { |
| 118 | SkASSERT(fDrawTargets.count() == 1); |
robertphillips | 0dfa62c | 2015-11-16 06:23:31 -0800 | [diff] [blame] | 119 | // In the non-MDB-world the same drawTarget gets reused for multiple render targets. |
| 120 | // Update this pointer so all the asserts are happy |
| 121 | rt->setLastDrawTarget(fDrawTargets[0]); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 122 | // DrawingManager gets the creation ref - this ref is for the caller |
| 123 | return SkRef(fDrawTargets[0]); |
| 124 | } |
| 125 | #endif |
| 126 | |
bsalomon | 69cfe95 | 2015-11-30 13:27:47 -0800 | [diff] [blame] | 127 | GrDrawTarget* dt = new GrDrawTarget(rt, fContext->getGpu(), fContext->resourceProvider(), |
joshualitt | 086cee1 | 2016-01-12 06:45:24 -0800 | [diff] [blame] | 128 | fContext->getAuditTrail(), fOptionsForDrawTargets); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 129 | |
| 130 | *fDrawTargets.append() = dt; |
| 131 | |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 132 | // DrawingManager gets the creation ref - this ref is for the caller |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 133 | return SkRef(dt); |
| 134 | } |
| 135 | |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 136 | /* |
| 137 | * This method finds a path renderer that can draw the specified path on |
| 138 | * the provided target. |
| 139 | * Due to its expense, the software path renderer has split out so it can |
| 140 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 141 | */ |
| 142 | GrPathRenderer* GrDrawingManager::getPathRenderer(const GrPathRenderer::CanDrawPathArgs& args, |
| 143 | bool allowSW, |
| 144 | GrPathRendererChain::DrawType drawType, |
| 145 | GrPathRenderer::StencilSupport* stencilSupport) { |
| 146 | |
| 147 | if (!fPathRendererChain) { |
| 148 | fPathRendererChain = new GrPathRendererChain(fContext); |
| 149 | } |
| 150 | |
| 151 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(args, drawType, stencilSupport); |
| 152 | if (!pr && allowSW) { |
| 153 | if (!fSoftwarePathRenderer) { |
| 154 | fSoftwarePathRenderer = new GrSoftwarePathRenderer(fContext); |
| 155 | } |
| 156 | pr = fSoftwarePathRenderer; |
| 157 | } |
| 158 | |
| 159 | return pr; |
| 160 | } |
| 161 | |
| 162 | GrDrawContext* GrDrawingManager::drawContext(GrRenderTarget* rt, |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 163 | const SkSurfaceProps* surfaceProps) { |
| 164 | if (this->abandoned()) { |
| 165 | return nullptr; |
| 166 | } |
| 167 | |
joshualitt | 96880d9 | 2016-02-16 10:36:53 -0800 | [diff] [blame] | 168 | |
| 169 | bool useDIF = false; |
| 170 | if (surfaceProps) { |
| 171 | useDIF = surfaceProps->isUseDeviceIndependentFonts(); |
| 172 | } |
| 173 | |
| 174 | if (useDIF && fContext->caps()->shaderCaps()->pathRenderingSupport() && |
| 175 | rt->isStencilBufferMultisampled()) { |
| 176 | GrStencilAttachment* sb = fContext->resourceProvider()->attachStencilAttachment(rt); |
| 177 | if (sb) { |
| 178 | return new GrPathRenderingDrawContext(fContext, this, rt, surfaceProps, |
| 179 | fContext->getAuditTrail(), fSingleOwner); |
| 180 | } |
| 181 | } |
| 182 | |
joshualitt | 1b39f43 | 2016-02-11 06:46:52 -0800 | [diff] [blame] | 183 | return new GrDrawContext(fContext, this, rt, surfaceProps, fContext->getAuditTrail(), |
| 184 | fSingleOwner); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 185 | } |