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epoger@google.comec3ed6a2011-07-28 14:26:00 +00001
reed@google.comac10a2d2010-12-22 21:39:39 +00002/*
epoger@google.comec3ed6a2011-07-28 14:26:00 +00003 * Copyright 2010 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
reed@google.comac10a2d2010-12-22 21:39:39 +00007 */
8
reed@google.comac10a2d2010-12-22 21:39:39 +00009#ifndef SkGpuDevice_DEFINED
10#define SkGpuDevice_DEFINED
11
12#include "SkGr.h"
reed@google.comaf951c92011-06-16 19:10:39 +000013#include "SkBitmap.h"
reed89443ab2014-06-27 11:34:19 -070014#include "SkDevice.h"
commit-bot@chromium.org145d1c02014-03-16 19:46:36 +000015#include "SkPicture.h"
reed@google.comac10a2d2010-12-22 21:39:39 +000016#include "SkRegion.h"
bsalomonafe30052015-01-16 07:32:33 -080017#include "SkSurface.h"
bsalomon@google.com50398bf2011-07-26 20:45:30 +000018#include "GrContext.h"
bsalomonafbf2d62014-09-30 12:18:44 -070019#include "GrSurfacePriv.h"
reed@google.comac10a2d2010-12-22 21:39:39 +000020
21struct SkDrawProcs;
reed@google.comac10a2d2010-12-22 21:39:39 +000022struct GrSkDrawProcs;
reed@google.comac10a2d2010-12-22 21:39:39 +000023
robertphillips64bf7672014-08-21 13:07:35 -070024class GrAccelData;
25struct GrCachedLayer;
commit-bot@chromium.orgcbbc4812014-01-30 22:05:47 +000026class GrTextContext;
commit-bot@chromium.orgddf2bfb2014-01-30 16:41:23 +000027
reed@google.comac10a2d2010-12-22 21:39:39 +000028/**
reed89443ab2014-06-27 11:34:19 -070029 * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by the
reed@google.comac10a2d2010-12-22 21:39:39 +000030 * canvas.
31 */
reed89443ab2014-06-27 11:34:19 -070032class SK_API SkGpuDevice : public SkBaseDevice {
reed@google.comac10a2d2010-12-22 21:39:39 +000033public:
commit-bot@chromium.orgd8a57af2014-03-19 21:19:16 +000034 enum Flags {
skia.committer@gmail.com99e5b522014-03-21 03:02:42 +000035 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear
commit-bot@chromium.orgd8a57af2014-03-19 21:19:16 +000036 };
bsalomon@google.com123ac1d2013-03-28 19:18:12 +000037
38 /**
bsalomonafe30052015-01-16 07:32:33 -080039 * Creates an SkGpuDevice from a GrRenderTarget.
bsalomon@google.com123ac1d2013-03-28 19:18:12 +000040 */
bsalomonafe30052015-01-16 07:32:33 -080041 static SkGpuDevice* Create(GrRenderTarget* target, const SkSurfaceProps*, unsigned flags = 0);
bsalomon@google.com123ac1d2013-03-28 19:18:12 +000042
bsalomon@google.com2e7b43d2011-01-18 20:57:22 +000043 /**
bsalomonafe30052015-01-16 07:32:33 -080044 * New device that will create an offscreen renderTarget based on the ImageInfo and
45 * sampleCount. The Budgeted param controls whether the device's backing store counts against
46 * the resource cache budget. On failure, returns NULL.
commit-bot@chromium.org15a14052014-02-16 00:59:25 +000047 */
bsalomonafe30052015-01-16 07:32:33 -080048 static SkGpuDevice* Create(GrContext*, SkSurface::Budgeted, const SkImageInfo&,
49 int sampleCount, const SkSurfaceProps*, unsigned flags = 0);
commit-bot@chromium.org15a14052014-02-16 00:59:25 +000050
reed@google.comac10a2d2010-12-22 21:39:39 +000051 virtual ~SkGpuDevice();
reed@google.com7b201d22011-01-11 18:59:23 +000052
reedb2db8982014-11-13 12:41:02 -080053 SkGpuDevice* cloneDevice(const SkSurfaceProps& props) {
reed76033be2015-03-14 10:54:31 -070054 SkBaseDevice* dev = this->onCreateDevice(CreateInfo(this->imageInfo(), kPossible_TileUsage,
55 props.pixelGeometry()),
56 NULL);
reedb2db8982014-11-13 12:41:02 -080057 return static_cast<SkGpuDevice*>(dev);
58 }
59
joshualitt5f5a8d72015-02-25 14:09:45 -080060 GrContext* context() const { return fContext; }
reed@google.comac10a2d2010-12-22 21:39:39 +000061
reed8eddfb52014-12-04 07:50:14 -080062 // set all pixels to 0
63 void clearAll();
64
kkinnunenabcfab42015-02-22 22:53:44 -080065 void replaceRenderTarget(bool shouldRetainContent);
66
mtklein72c9faa2015-01-09 10:06:39 -080067 GrRenderTarget* accessRenderTarget() SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000068
mtklein72c9faa2015-01-09 10:06:39 -080069 SkImageInfo imageInfo() const SK_OVERRIDE {
bsalomonafbf2d62014-09-30 12:18:44 -070070 return fRenderTarget ? fRenderTarget->surfacePriv().info() : SkImageInfo::MakeUnknown();
robertphillips@google.com07f81a52013-09-17 12:26:23 +000071 }
reed@google.comac10a2d2010-12-22 21:39:39 +000072
bsalomonafe30052015-01-16 07:32:33 -080073 const SkSurfaceProps& surfaceProps() const { return fSurfaceProps; }
74
mtklein72c9faa2015-01-09 10:06:39 -080075 void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000076 virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
reed@google.com75d939b2011-12-07 15:07:23 +000077 const SkPoint[], const SkPaint& paint) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000078 virtual void drawRect(const SkDraw&, const SkRect& r,
reed@google.com75d939b2011-12-07 15:07:23 +000079 const SkPaint& paint) SK_OVERRIDE;
commit-bot@chromium.orgf2bfd542013-04-25 15:27:00 +000080 virtual void drawRRect(const SkDraw&, const SkRRect& r,
81 const SkPaint& paint) SK_OVERRIDE;
commit-bot@chromium.org0a09d712014-04-09 21:26:11 +000082 virtual void drawDRRect(const SkDraw& draw, const SkRRect& outer,
83 const SkRRect& inner, const SkPaint& paint) SK_OVERRIDE;
jvanverth@google.com46d3d392013-01-22 13:34:01 +000084 virtual void drawOval(const SkDraw&, const SkRect& oval,
85 const SkPaint& paint) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000086 virtual void drawPath(const SkDraw&, const SkPath& path,
87 const SkPaint& paint, const SkMatrix* prePathMatrix,
reed@google.com75d939b2011-12-07 15:07:23 +000088 bool pathIsMutable) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000089 virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap,
reed@google.com75d939b2011-12-07 15:07:23 +000090 const SkMatrix&, const SkPaint&) SK_OVERRIDE;
reed@google.com33535f32012-09-25 15:37:50 +000091 virtual void drawBitmapRect(const SkDraw&, const SkBitmap&,
92 const SkRect* srcOrNull, const SkRect& dst,
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +000093 const SkPaint& paint,
94 SkCanvas::DrawBitmapRectFlags flags) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000095 virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap,
tfarina912ed6e2014-12-14 15:20:10 -080096 int x, int y, const SkPaint& paint) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000097 virtual void drawText(const SkDraw&, const void* text, size_t len,
reed@google.com75d939b2011-12-07 15:07:23 +000098 SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +000099 virtual void drawPosText(const SkDraw&, const void* text, size_t len,
fmalita05c4a432014-09-29 06:29:53 -0700100 const SkScalar pos[], int scalarsPerPos,
101 const SkPoint& offset, const SkPaint&) SK_OVERRIDE;
reed@google.comac10a2d2010-12-22 21:39:39 +0000102 virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
103 const SkPoint verts[], const SkPoint texs[],
104 const SkColor colors[], SkXfermode* xmode,
105 const uint16_t indices[], int indexCount,
reed@google.com75d939b2011-12-07 15:07:23 +0000106 const SkPaint&) SK_OVERRIDE;
robertphillips@google.com1f2f3382013-08-29 11:54:56 +0000107 virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
reed@google.com75d939b2011-12-07 15:07:23 +0000108 const SkPaint&) SK_OVERRIDE;
reed@google.com7b201d22011-01-11 18:59:23 +0000109
mtklein72c9faa2015-01-09 10:06:39 -0800110 void flush() SK_OVERRIDE;
reed@google.com7b201d22011-01-11 18:59:23 +0000111
mtklein72c9faa2015-01-09 10:06:39 -0800112 void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE;
113 void onDetachFromCanvas() SK_OVERRIDE;
robertphillips@google.com40a1ae42012-07-13 15:36:15 +0000114
mtklein72c9faa2015-01-09 10:06:39 -0800115 const SkBitmap& onAccessBitmap() SK_OVERRIDE;
senorblanco@chromium.orgb7b7eb32014-03-19 18:24:04 +0000116
mtklein72c9faa2015-01-09 10:06:39 -0800117 bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE;
senorblanco@chromium.org4cb543d2014-03-14 15:44:01 +0000118 virtual bool filterImage(const SkImageFilter*, const SkBitmap&,
119 const SkImageFilter::Context&,
reed@google.com8926b162012-03-23 15:36:36 +0000120 SkBitmap*, SkIPoint*) SK_OVERRIDE;
vandebo@chromium.org74b46192012-01-28 01:45:11 +0000121
robertphillips7b9e8a42014-12-11 08:20:31 -0800122 bool filterTexture(GrContext*, GrTexture*, const SkImageFilter*,
123 const SkImageFilter::Context&,
124 SkBitmap* result, SkIPoint* offset);
125
reed@google.comac10a2d2010-12-22 21:39:39 +0000126protected:
mtklein72c9faa2015-01-09 10:06:39 -0800127 bool onReadPixels(const SkImageInfo&, void*, size_t, int, int) SK_OVERRIDE;
128 bool onWritePixels(const SkImageInfo&, const void*, size_t, int, int) SK_OVERRIDE;
reedb2db8982014-11-13 12:41:02 -0800129 bool onShouldDisableLCD(const SkPaint&) const SK_OVERRIDE;
bsalomon@google.comc6980972011-11-02 19:57:21 +0000130
commit-bot@chromium.org145d1c02014-03-16 19:46:36 +0000131 /** PRIVATE / EXPERIMENTAL -- do not call */
reedd5fa1a42014-08-09 11:08:05 -0700132 virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* picture,
133 const SkMatrix*, const SkPaint*) SK_OVERRIDE;
commit-bot@chromium.org145d1c02014-03-16 19:46:36 +0000134
reed@google.comac10a2d2010-12-22 21:39:39 +0000135private:
joshualitt44701df2015-02-23 14:44:57 -0800136 GrContext* fContext;
137 GrSkDrawProcs* fDrawProcs;
138 SkAutoTUnref<const SkClipStack> fClipStack;
139 SkIPoint fClipOrigin;
joshualitt570d2f82015-02-25 13:19:48 -0800140 GrClip fClip;
joshualitt44701df2015-02-23 14:44:57 -0800141 GrTextContext* fTextContext;
142 SkSurfaceProps fSurfaceProps;
143 GrRenderTarget* fRenderTarget;
reed89443ab2014-06-27 11:34:19 -0700144 // remove when our clients don't rely on accessBitmap()
joshualitt44701df2015-02-23 14:44:57 -0800145 SkBitmap fLegacyBitmap;
146 bool fNeedClear;
reed89443ab2014-06-27 11:34:19 -0700147
bsalomonafe30052015-01-16 07:32:33 -0800148 SkGpuDevice(GrRenderTarget*, const SkSurfaceProps*, unsigned flags);
bsalomon@google.com06cd7322012-03-30 18:45:35 +0000149
reed76033be2015-03-14 10:54:31 -0700150 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) SK_OVERRIDE;
bsalomon@google.come97f0852011-06-17 13:10:25 +0000151
mtklein72c9faa2015-01-09 10:06:39 -0800152 SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) SK_OVERRIDE;
reed@google.com76f10a32014-02-05 15:32:21 +0000153
mtklein72c9faa2015-01-09 10:06:39 -0800154 SkImageFilter::Cache* getImageFilterCache() SK_OVERRIDE;
reed841010f2014-09-10 07:23:32 -0700155
mtklein72c9faa2015-01-09 10:06:39 -0800156 bool forceConservativeRasterClip() const SK_OVERRIDE { return true; }
senorblanco55b6d8b2014-07-30 11:26:46 -0700157
joshualitt5531d512014-12-17 15:50:11 -0800158 // sets the render target and clip on context
159 void prepareDraw(const SkDraw&);
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000160
161 /**
162 * Implementation for both drawBitmap and drawBitmapRect.
163 */
skia.committer@gmail.com22b460c2012-09-29 02:01:02 +0000164 void drawBitmapCommon(const SkDraw&,
robertphillips@google.combac6b052012-09-28 18:06:49 +0000165 const SkBitmap& bitmap,
166 const SkRect* srcRectPtr,
commit-bot@chromium.orga7d89c82014-01-13 14:47:00 +0000167 const SkSize* dstSizePtr, // ignored iff srcRectPtr == NULL
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +0000168 const SkPaint&,
169 SkCanvas::DrawBitmapRectFlags flags);
reed@google.comac10a2d2010-12-22 21:39:39 +0000170
bsalomon@google.comf4a9c822012-03-16 14:02:46 +0000171 /**
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000172 * Helper functions called by drawBitmapCommon. By the time these are called the SkDraw's
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000173 * matrix, clip, and the device's render target has already been set on GrContext.
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000174 */
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000175
176 // The tileSize and clippedSrcRect will be valid only if true is returned.
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000177 bool shouldTileBitmap(const SkBitmap& bitmap,
joshualitt5531d512014-12-17 15:50:11 -0800178 const SkMatrix& viewMatrix,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000179 const GrTextureParams& sampler,
bsalomon@google.comaf562b42013-10-24 17:52:07 +0000180 const SkRect* srcRectPtr,
181 int maxTileSize,
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000182 int* tileSize,
183 SkIRect* clippedSrcRect) const;
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000184 void internalDrawBitmap(const SkBitmap&,
joshualitt5531d512014-12-17 15:50:11 -0800185 const SkMatrix& viewMatrix,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000186 const SkRect&,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000187 const GrTextureParams& params,
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +0000188 const SkPaint& paint,
commit-bot@chromium.orgdec61502013-12-02 22:22:35 +0000189 SkCanvas::DrawBitmapRectFlags flags,
commit-bot@chromium.orga17773f2014-05-09 13:53:38 +0000190 bool bicubic,
191 bool needsTextureDomain);
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000192 void drawTiledBitmap(const SkBitmap& bitmap,
joshualitt5531d512014-12-17 15:50:11 -0800193 const SkMatrix& viewMatrix,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000194 const SkRect& srcRect,
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000195 const SkIRect& clippedSrcRect,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000196 const GrTextureParams& params,
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +0000197 const SkPaint& paint,
bsalomon@google.comaf562b42013-10-24 17:52:07 +0000198 SkCanvas::DrawBitmapRectFlags flags,
commit-bot@chromium.orgdec61502013-12-02 22:22:35 +0000199 int tileSize,
200 bool bicubic);
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000201
commit-bot@chromium.org628ed0b2014-05-19 14:32:49 +0000202 bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
203
commit-bot@chromium.org145d1c02014-03-16 19:46:36 +0000204 static SkPicture::AccelData::Key ComputeAccelDataKey();
205
kkinnunenabcfab42015-02-22 22:53:44 -0800206 static GrRenderTarget* CreateRenderTarget(GrContext*, SkSurface::Budgeted, const SkImageInfo&,
207 int sampleCount);
208
reed89443ab2014-06-27 11:34:19 -0700209 typedef SkBaseDevice INHERITED;
reed@google.comac10a2d2010-12-22 21:39:39 +0000210};
211
212#endif