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 | |
| 8 | #include "GrAtlasTextContext.h" |
| 9 | #include "GrDrawContext.h" |
| 10 | #include "GrDrawingManager.h" |
| 11 | #include "GrDrawTarget.h" |
| 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 "GrStencilAndCoverTextContext.h" |
| 15 | #include "SkTTopoSort.h" |
| 16 | |
robertphillips | 498d7ac | 2015-10-30 10:11:30 -0700 | [diff] [blame] | 17 | //#define ENABLE_MDB 1 |
| 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) { |
| 21 | fDrawTargets[i]->unref(); |
| 22 | } |
| 23 | |
| 24 | fDrawTargets.reset(); |
| 25 | |
| 26 | delete fNVPRTextContext; |
| 27 | fNVPRTextContext = nullptr; |
| 28 | |
| 29 | for (int i = 0; i < kNumPixelGeometries; ++i) { |
| 30 | delete fTextContexts[i][0]; |
| 31 | fTextContexts[i][0] = nullptr; |
| 32 | delete fTextContexts[i][1]; |
| 33 | fTextContexts[i][1] = nullptr; |
| 34 | } |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 35 | |
robertphillips | 13391dd | 2015-10-30 05:15:11 -0700 | [diff] [blame] | 36 | delete fPathRendererChain; |
| 37 | fPathRendererChain = nullptr; |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 38 | SkSafeSetNull(fSoftwarePathRenderer); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 39 | } |
| 40 | |
| 41 | GrDrawingManager::~GrDrawingManager() { |
| 42 | this->cleanup(); |
| 43 | } |
| 44 | |
| 45 | void GrDrawingManager::abandon() { |
| 46 | fAbandoned = true; |
| 47 | this->cleanup(); |
| 48 | } |
| 49 | |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 50 | void GrDrawingManager::freeGpuResources() { |
| 51 | // a path renderer may be holding onto resources |
robertphillips | 13391dd | 2015-10-30 05:15:11 -0700 | [diff] [blame] | 52 | delete fPathRendererChain; |
| 53 | fPathRendererChain = nullptr; |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 54 | SkSafeSetNull(fSoftwarePathRenderer); |
| 55 | } |
| 56 | |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 57 | void GrDrawingManager::reset() { |
| 58 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
| 59 | fDrawTargets[i]->reset(); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | void GrDrawingManager::flush() { |
| 64 | SkDEBUGCODE(bool result =) |
| 65 | SkTTopoSort<GrDrawTarget, GrDrawTarget::TopoSortTraits>(&fDrawTargets); |
| 66 | SkASSERT(result); |
| 67 | |
| 68 | for (int i = 0; i < fDrawTargets.count(); ++i) { |
| 69 | //SkDEBUGCODE(fDrawTargets[i]->dump();) |
| 70 | fDrawTargets[i]->flush(); |
| 71 | } |
| 72 | |
| 73 | #ifndef ENABLE_MDB |
| 74 | // When MDB is disabled we keep reusing the same drawTarget |
| 75 | if (fDrawTargets.count()) { |
| 76 | SkASSERT(fDrawTargets.count() == 1); |
| 77 | fDrawTargets[0]->resetFlag(GrDrawTarget::kWasOutput_Flag); |
| 78 | } |
| 79 | #endif |
| 80 | } |
| 81 | |
| 82 | GrTextContext* GrDrawingManager::textContext(const SkSurfaceProps& props, |
| 83 | GrRenderTarget* rt) { |
| 84 | if (this->abandoned()) { |
| 85 | return nullptr; |
| 86 | } |
| 87 | |
| 88 | SkASSERT(props.pixelGeometry() < kNumPixelGeometries); |
| 89 | bool useDIF = props.isUseDeviceIndependentFonts(); |
| 90 | |
| 91 | if (useDIF && fContext->caps()->shaderCaps()->pathRenderingSupport() && |
| 92 | rt->isStencilBufferMultisampled()) { |
| 93 | GrStencilAttachment* sb = fContext->resourceProvider()->attachStencilAttachment(rt); |
| 94 | if (sb) { |
| 95 | if (!fNVPRTextContext) { |
| 96 | fNVPRTextContext = GrStencilAndCoverTextContext::Create(fContext, props); |
| 97 | } |
| 98 | |
| 99 | return fNVPRTextContext; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | if (!fTextContexts[props.pixelGeometry()][useDIF]) { |
| 104 | fTextContexts[props.pixelGeometry()][useDIF] = GrAtlasTextContext::Create(fContext, props); |
| 105 | } |
| 106 | |
| 107 | return fTextContexts[props.pixelGeometry()][useDIF]; |
| 108 | } |
| 109 | |
| 110 | GrDrawTarget* GrDrawingManager::newDrawTarget(GrRenderTarget* rt) { |
| 111 | SkASSERT(fContext); |
| 112 | |
| 113 | #ifndef ENABLE_MDB |
| 114 | // When MDB is disabled we always just return the single drawTarget |
| 115 | if (fDrawTargets.count()) { |
| 116 | SkASSERT(fDrawTargets.count() == 1); |
| 117 | // DrawingManager gets the creation ref - this ref is for the caller |
| 118 | return SkRef(fDrawTargets[0]); |
| 119 | } |
| 120 | #endif |
| 121 | |
robertphillips | 498d7ac | 2015-10-30 10:11:30 -0700 | [diff] [blame] | 122 | GrDrawTarget* dt = new GrDrawTarget(rt, fContext->getGpu(), fContext->resourceProvider(), |
bsalomon | 648c696 | 2015-10-23 09:06:59 -0700 | [diff] [blame] | 123 | fOptions); |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 124 | |
| 125 | *fDrawTargets.append() = dt; |
| 126 | |
| 127 | // DrawingManager gets the creation ref - this ref is for the caller |
| 128 | return SkRef(dt); |
| 129 | } |
| 130 | |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 131 | /* |
| 132 | * This method finds a path renderer that can draw the specified path on |
| 133 | * the provided target. |
| 134 | * Due to its expense, the software path renderer has split out so it can |
| 135 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 136 | */ |
| 137 | GrPathRenderer* GrDrawingManager::getPathRenderer(const GrPathRenderer::CanDrawPathArgs& args, |
| 138 | bool allowSW, |
| 139 | GrPathRendererChain::DrawType drawType, |
| 140 | GrPathRenderer::StencilSupport* stencilSupport) { |
| 141 | |
| 142 | if (!fPathRendererChain) { |
| 143 | fPathRendererChain = new GrPathRendererChain(fContext); |
| 144 | } |
| 145 | |
| 146 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(args, drawType, stencilSupport); |
| 147 | if (!pr && allowSW) { |
| 148 | if (!fSoftwarePathRenderer) { |
| 149 | fSoftwarePathRenderer = new GrSoftwarePathRenderer(fContext); |
| 150 | } |
| 151 | pr = fSoftwarePathRenderer; |
| 152 | } |
| 153 | |
| 154 | return pr; |
| 155 | } |
| 156 | |
| 157 | GrDrawContext* GrDrawingManager::drawContext(GrRenderTarget* rt, |
robertphillips | 3dc6ae5 | 2015-10-20 09:54:32 -0700 | [diff] [blame] | 158 | const SkSurfaceProps* surfaceProps) { |
| 159 | if (this->abandoned()) { |
| 160 | return nullptr; |
| 161 | } |
| 162 | |
| 163 | return new GrDrawContext(this, rt, surfaceProps); |
| 164 | } |