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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.orgddf2bfb2014-01-30 16:41:23 +000026
reed@google.comac10a2d2010-12-22 21:39:39 +000027/**
reed89443ab2014-06-27 11:34:19 -070028 * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by the
reed@google.comac10a2d2010-12-22 21:39:39 +000029 * canvas.
30 */
reed89443ab2014-06-27 11:34:19 -070031class SK_API SkGpuDevice : public SkBaseDevice {
reed@google.comac10a2d2010-12-22 21:39:39 +000032public:
bsalomon74f681d2015-06-23 14:38:48 -070033 enum InitContents {
34 kClear_InitContents,
35 kUninit_InitContents
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 */
bsalomon74f681d2015-06-23 14:38:48 -070041 static SkGpuDevice* Create(GrRenderTarget* target, const SkSurfaceProps*, InitContents);
bsalomon@google.com123ac1d2013-03-28 19:18:12 +000042
bsalomon@google.com2e7b43d2011-01-18 20:57:22 +000043 /**
senorblancod0d37ca2015-04-02 04:54:56 -070044 * Creates an SkGpuDevice from a GrRenderTarget whose texture width/height is
45 * different than its actual width/height (e.g., approx-match scratch texture).
46 */
47 static SkGpuDevice* Create(GrRenderTarget* target, int width, int height,
bsalomon74f681d2015-06-23 14:38:48 -070048 const SkSurfaceProps*, InitContents);
senorblancod0d37ca2015-04-02 04:54:56 -070049
50 /**
bsalomonafe30052015-01-16 07:32:33 -080051 * New device that will create an offscreen renderTarget based on the ImageInfo and
52 * sampleCount. The Budgeted param controls whether the device's backing store counts against
53 * the resource cache budget. On failure, returns NULL.
commit-bot@chromium.org15a14052014-02-16 00:59:25 +000054 */
bsalomonafe30052015-01-16 07:32:33 -080055 static SkGpuDevice* Create(GrContext*, SkSurface::Budgeted, const SkImageInfo&,
bsalomon74f681d2015-06-23 14:38:48 -070056 int sampleCount, const SkSurfaceProps*, InitContents);
commit-bot@chromium.org15a14052014-02-16 00:59:25 +000057
reed@google.comac10a2d2010-12-22 21:39:39 +000058 virtual ~SkGpuDevice();
reed@google.com7b201d22011-01-11 18:59:23 +000059
reedb2db8982014-11-13 12:41:02 -080060 SkGpuDevice* cloneDevice(const SkSurfaceProps& props) {
reed76033be2015-03-14 10:54:31 -070061 SkBaseDevice* dev = this->onCreateDevice(CreateInfo(this->imageInfo(), kPossible_TileUsage,
62 props.pixelGeometry()),
63 NULL);
reedb2db8982014-11-13 12:41:02 -080064 return static_cast<SkGpuDevice*>(dev);
65 }
66
joshualitt5f5a8d72015-02-25 14:09:45 -080067 GrContext* context() const { return fContext; }
reed@google.comac10a2d2010-12-22 21:39:39 +000068
reed8eddfb52014-12-04 07:50:14 -080069 // set all pixels to 0
70 void clearAll();
71
kkinnunenabcfab42015-02-22 22:53:44 -080072 void replaceRenderTarget(bool shouldRetainContent);
73
mtklein36352bf2015-03-25 18:17:31 -070074 GrRenderTarget* accessRenderTarget() override;
reed@google.comac10a2d2010-12-22 21:39:39 +000075
mtklein36352bf2015-03-25 18:17:31 -070076 SkImageInfo imageInfo() const override {
senorblancod0d37ca2015-04-02 04:54:56 -070077 return fLegacyBitmap.info();
robertphillips@google.com07f81a52013-09-17 12:26:23 +000078 }
reed@google.comac10a2d2010-12-22 21:39:39 +000079
mtklein36352bf2015-03-25 18:17:31 -070080 void drawPaint(const SkDraw&, const SkPaint& paint) override;
reed@google.comac10a2d2010-12-22 21:39:39 +000081 virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
mtklein36352bf2015-03-25 18:17:31 -070082 const SkPoint[], const SkPaint& paint) override;
reed@google.comac10a2d2010-12-22 21:39:39 +000083 virtual void drawRect(const SkDraw&, const SkRect& r,
mtklein36352bf2015-03-25 18:17:31 -070084 const SkPaint& paint) override;
commit-bot@chromium.orgf2bfd542013-04-25 15:27:00 +000085 virtual void drawRRect(const SkDraw&, const SkRRect& r,
mtklein36352bf2015-03-25 18:17:31 -070086 const SkPaint& paint) override;
commit-bot@chromium.org0a09d712014-04-09 21:26:11 +000087 virtual void drawDRRect(const SkDraw& draw, const SkRRect& outer,
mtklein36352bf2015-03-25 18:17:31 -070088 const SkRRect& inner, const SkPaint& paint) override;
jvanverth@google.com46d3d392013-01-22 13:34:01 +000089 virtual void drawOval(const SkDraw&, const SkRect& oval,
mtklein36352bf2015-03-25 18:17:31 -070090 const SkPaint& paint) override;
reed@google.comac10a2d2010-12-22 21:39:39 +000091 virtual void drawPath(const SkDraw&, const SkPath& path,
92 const SkPaint& paint, const SkMatrix* prePathMatrix,
mtklein36352bf2015-03-25 18:17:31 -070093 bool pathIsMutable) override;
reed@google.comac10a2d2010-12-22 21:39:39 +000094 virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap,
mtklein36352bf2015-03-25 18:17:31 -070095 const SkMatrix&, const SkPaint&) override;
reed@google.com33535f32012-09-25 15:37:50 +000096 virtual void drawBitmapRect(const SkDraw&, const SkBitmap&,
97 const SkRect* srcOrNull, const SkRect& dst,
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +000098 const SkPaint& paint,
reeda5517e22015-07-14 10:54:12 -070099 SK_VIRTUAL_CONSTRAINT_TYPE) override;
reed@google.comac10a2d2010-12-22 21:39:39 +0000100 virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap,
mtklein36352bf2015-03-25 18:17:31 -0700101 int x, int y, const SkPaint& paint) override;
reed@google.comac10a2d2010-12-22 21:39:39 +0000102 virtual void drawText(const SkDraw&, const void* text, size_t len,
mtklein36352bf2015-03-25 18:17:31 -0700103 SkScalar x, SkScalar y, const SkPaint&) override;
reed@google.comac10a2d2010-12-22 21:39:39 +0000104 virtual void drawPosText(const SkDraw&, const void* text, size_t len,
fmalita05c4a432014-09-29 06:29:53 -0700105 const SkScalar pos[], int scalarsPerPos,
mtklein36352bf2015-03-25 18:17:31 -0700106 const SkPoint& offset, const SkPaint&) override;
joshualitt9c328182015-03-23 08:13:04 -0700107 virtual void drawTextBlob(const SkDraw&, const SkTextBlob*, SkScalar x, SkScalar y,
mtklein36352bf2015-03-25 18:17:31 -0700108 const SkPaint& paint, SkDrawFilter* drawFilter) override;
reed@google.comac10a2d2010-12-22 21:39:39 +0000109 virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
110 const SkPoint verts[], const SkPoint texs[],
111 const SkColor colors[], SkXfermode* xmode,
112 const uint16_t indices[], int indexCount,
mtklein36352bf2015-03-25 18:17:31 -0700113 const SkPaint&) override;
reedca109532015-06-25 16:25:25 -0700114 void drawAtlas(const SkDraw&, const SkImage* atlas, const SkRSXform[], const SkRect[],
115 const SkColor[], int count, SkXfermode::Mode, const SkPaint&) override;
robertphillips@google.com1f2f3382013-08-29 11:54:56 +0000116 virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
mtklein36352bf2015-03-25 18:17:31 -0700117 const SkPaint&) override;
reeda85d4d02015-05-06 12:56:48 -0700118 void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&) override;
119 void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
reeda5517e22015-07-14 10:54:12 -0700120 const SkPaint&, SkCanvas::SrcRectConstraint) override;
reed@google.com7b201d22011-01-11 18:59:23 +0000121
mtklein36352bf2015-03-25 18:17:31 -0700122 void flush() override;
reed@google.com7b201d22011-01-11 18:59:23 +0000123
mtklein36352bf2015-03-25 18:17:31 -0700124 void onAttachToCanvas(SkCanvas* canvas) override;
125 void onDetachFromCanvas() override;
robertphillips@google.com40a1ae42012-07-13 15:36:15 +0000126
mtklein36352bf2015-03-25 18:17:31 -0700127 const SkBitmap& onAccessBitmap() override;
reed41e010c2015-06-09 12:16:53 -0700128 bool onAccessPixels(SkPixmap*) override;
senorblanco@chromium.orgb7b7eb32014-03-19 18:24:04 +0000129
mtklein36352bf2015-03-25 18:17:31 -0700130 bool canHandleImageFilter(const SkImageFilter*) override;
senorblanco@chromium.org4cb543d2014-03-14 15:44:01 +0000131 virtual bool filterImage(const SkImageFilter*, const SkBitmap&,
132 const SkImageFilter::Context&,
mtklein36352bf2015-03-25 18:17:31 -0700133 SkBitmap*, SkIPoint*) override;
vandebo@chromium.org74b46192012-01-28 01:45:11 +0000134
senorblancod0d37ca2015-04-02 04:54:56 -0700135 bool filterTexture(GrContext*, GrTexture*, int width, int height, const SkImageFilter*,
robertphillips7b9e8a42014-12-11 08:20:31 -0800136 const SkImageFilter::Context&,
137 SkBitmap* result, SkIPoint* offset);
138
reed@google.comac10a2d2010-12-22 21:39:39 +0000139protected:
mtklein36352bf2015-03-25 18:17:31 -0700140 bool onReadPixels(const SkImageInfo&, void*, size_t, int, int) override;
141 bool onWritePixels(const SkImageInfo&, const void*, size_t, int, int) override;
robertphillips9c240a12015-05-28 07:45:59 -0700142 bool onShouldDisableLCD(const SkPaint&) const final;
bsalomon@google.comc6980972011-11-02 19:57:21 +0000143
commit-bot@chromium.org145d1c02014-03-16 19:46:36 +0000144 /** PRIVATE / EXPERIMENTAL -- do not call */
reedd5fa1a42014-08-09 11:08:05 -0700145 virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* picture,
mtklein36352bf2015-03-25 18:17:31 -0700146 const SkMatrix*, const SkPaint*) override;
commit-bot@chromium.org145d1c02014-03-16 19:46:36 +0000147
reed@google.comac10a2d2010-12-22 21:39:39 +0000148private:
joshualitt44701df2015-02-23 14:44:57 -0800149 GrContext* fContext;
150 GrSkDrawProcs* fDrawProcs;
151 SkAutoTUnref<const SkClipStack> fClipStack;
152 SkIPoint fClipOrigin;
joshualitt570d2f82015-02-25 13:19:48 -0800153 GrClip fClip;
robertphillipsea461502015-05-26 11:38:03 -0700154 SkAutoTUnref<GrDrawContext> fDrawContext;
joshualitt44701df2015-02-23 14:44:57 -0800155 GrRenderTarget* fRenderTarget;
reed89443ab2014-06-27 11:34:19 -0700156 // remove when our clients don't rely on accessBitmap()
joshualitt44701df2015-02-23 14:44:57 -0800157 SkBitmap fLegacyBitmap;
158 bool fNeedClear;
bsalomon74f681d2015-06-23 14:38:48 -0700159 bool fOpaque;
160
161 enum Flags {
162 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear
163 kIsOpaque_Flag = 1 << 1, //!< Hint from client that rendering to this device will be
164 // opaque even if the config supports alpha.
165 };
166 static bool CheckAlphaTypeAndGetFlags(const SkImageInfo* info, InitContents init,
167 unsigned* flags);
reed89443ab2014-06-27 11:34:19 -0700168
senorblancod0d37ca2015-04-02 04:54:56 -0700169 SkGpuDevice(GrRenderTarget*, int width, int height, const SkSurfaceProps*, unsigned flags);
bsalomon@google.com06cd7322012-03-30 18:45:35 +0000170
mtklein36352bf2015-03-25 18:17:31 -0700171 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override;
bsalomon@google.come97f0852011-06-17 13:10:25 +0000172
mtklein36352bf2015-03-25 18:17:31 -0700173 SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) override;
reed@google.com76f10a32014-02-05 15:32:21 +0000174
mtklein36352bf2015-03-25 18:17:31 -0700175 SkImageFilter::Cache* getImageFilterCache() override;
reed841010f2014-09-10 07:23:32 -0700176
mtklein36352bf2015-03-25 18:17:31 -0700177 bool forceConservativeRasterClip() const override { return true; }
senorblanco55b6d8b2014-07-30 11:26:46 -0700178
joshualitt5531d512014-12-17 15:50:11 -0800179 // sets the render target and clip on context
180 void prepareDraw(const SkDraw&);
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000181
182 /**
183 * Implementation for both drawBitmap and drawBitmapRect.
184 */
skia.committer@gmail.com22b460c2012-09-29 02:01:02 +0000185 void drawBitmapCommon(const SkDraw&,
robertphillips@google.combac6b052012-09-28 18:06:49 +0000186 const SkBitmap& bitmap,
187 const SkRect* srcRectPtr,
commit-bot@chromium.orga7d89c82014-01-13 14:47:00 +0000188 const SkSize* dstSizePtr, // ignored iff srcRectPtr == NULL
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +0000189 const SkPaint&,
reeda5517e22015-07-14 10:54:12 -0700190 SkCanvas::SrcRectConstraint);
reed@google.comac10a2d2010-12-22 21:39:39 +0000191
bsalomon@google.comf4a9c822012-03-16 14:02:46 +0000192 /**
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000193 * Helper functions called by drawBitmapCommon. By the time these are called the SkDraw's
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000194 * matrix, clip, and the device's render target has already been set on GrContext.
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000195 */
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000196
197 // The tileSize and clippedSrcRect will be valid only if true is returned.
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000198 bool shouldTileBitmap(const SkBitmap& bitmap,
joshualitt5531d512014-12-17 15:50:11 -0800199 const SkMatrix& viewMatrix,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000200 const GrTextureParams& sampler,
bsalomon@google.comaf562b42013-10-24 17:52:07 +0000201 const SkRect* srcRectPtr,
202 int maxTileSize,
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000203 int* tileSize,
204 SkIRect* clippedSrcRect) const;
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000205 void internalDrawBitmap(const SkBitmap&,
joshualitt5531d512014-12-17 15:50:11 -0800206 const SkMatrix& viewMatrix,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000207 const SkRect&,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000208 const GrTextureParams& params,
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +0000209 const SkPaint& paint,
reeda5517e22015-07-14 10:54:12 -0700210 SkCanvas::SrcRectConstraint,
commit-bot@chromium.orga17773f2014-05-09 13:53:38 +0000211 bool bicubic,
212 bool needsTextureDomain);
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000213 void drawTiledBitmap(const SkBitmap& bitmap,
joshualitt5531d512014-12-17 15:50:11 -0800214 const SkMatrix& viewMatrix,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000215 const SkRect& srcRect,
commit-bot@chromium.org7edad872013-10-25 14:58:12 +0000216 const SkIRect& clippedSrcRect,
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000217 const GrTextureParams& params,
commit-bot@chromium.orgeed779d2013-08-16 10:24:37 +0000218 const SkPaint& paint,
reeda5517e22015-07-14 10:54:12 -0700219 SkCanvas::SrcRectConstraint,
commit-bot@chromium.orgdec61502013-12-02 22:22:35 +0000220 int tileSize,
221 bool bicubic);
bsalomon@google.com3ab43d52012-10-11 19:39:09 +0000222
commit-bot@chromium.org628ed0b2014-05-19 14:32:49 +0000223 bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
224
kkinnunenabcfab42015-02-22 22:53:44 -0800225 static GrRenderTarget* CreateRenderTarget(GrContext*, SkSurface::Budgeted, const SkImageInfo&,
226 int sampleCount);
227
joshualittdbd35932015-04-02 09:19:04 -0700228 friend class GrAtlasTextContext;
robertphillips7b05ff12015-06-19 14:14:54 -0700229 friend class SkSurface_Gpu; // for access to surfaceProps
reed89443ab2014-06-27 11:34:19 -0700230 typedef SkBaseDevice INHERITED;
reed@google.comac10a2d2010-12-22 21:39:39 +0000231};
232
233#endif