DisplayListRenderer.cpp revision d218a92c0afb8c0d98135b20b52ac87236e1c935 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "OpenGLRenderer"
18
19#include <SkCamera.h>
20#include <SkCanvas.h>
21
22#include <private/hwui/DrawGlInfo.h>
23
24#include "DisplayList.h"
25#include "DeferredDisplayList.h"
26#include "DisplayListLogBuffer.h"
27#include "DisplayListOp.h"
28#include "DisplayListRenderer.h"
29#include "Caches.h"
30
31namespace android {
32namespace uirenderer {
33
34DisplayListRenderer::DisplayListRenderer():
35        mCaches(Caches::getInstance()), mDisplayListData(new DisplayListData),
36        mTranslateX(0.0f), mTranslateY(0.0f), mHasTranslate(false),
37        mHasDrawOps(false), mFunctorCount(0) {
38}
39
40DisplayListRenderer::~DisplayListRenderer() {
41    reset();
42}
43
44void DisplayListRenderer::reset() {
45    mDisplayListData = new DisplayListData();
46    mCaches.resourceCache.lock();
47
48    for (size_t i = 0; i < mBitmapResources.size(); i++) {
49        mCaches.resourceCache.decrementRefcountLocked(mBitmapResources.itemAt(i));
50    }
51
52    for (size_t i = 0; i < mOwnedBitmapResources.size(); i++) {
53        mCaches.resourceCache.decrementRefcountLocked(mOwnedBitmapResources.itemAt(i));
54    }
55
56    for (size_t i = 0; i < mFilterResources.size(); i++) {
57        mCaches.resourceCache.decrementRefcountLocked(mFilterResources.itemAt(i));
58    }
59
60    for (size_t i = 0; i < mPatchResources.size(); i++) {
61        mCaches.resourceCache.decrementRefcountLocked(mPatchResources.itemAt(i));
62    }
63
64    for (size_t i = 0; i < mShaders.size(); i++) {
65        mCaches.resourceCache.decrementRefcountLocked(mShaders.itemAt(i));
66    }
67
68    for (size_t i = 0; i < mSourcePaths.size(); i++) {
69        mCaches.resourceCache.decrementRefcountLocked(mSourcePaths.itemAt(i));
70    }
71
72    for (size_t i = 0; i < mLayers.size(); i++) {
73        mCaches.resourceCache.decrementRefcountLocked(mLayers.itemAt(i));
74    }
75
76    mCaches.resourceCache.unlock();
77
78    mBitmapResources.clear();
79    mOwnedBitmapResources.clear();
80    mFilterResources.clear();
81    mPatchResources.clear();
82    mSourcePaths.clear();
83
84    mShaders.clear();
85    mShaderMap.clear();
86
87    mPaints.clear();
88    mPaintMap.clear();
89
90    mRegions.clear();
91    mRegionMap.clear();
92
93    mPaths.clear();
94    mPathMap.clear();
95
96    mMatrices.clear();
97
98    mLayers.clear();
99
100    mHasDrawOps = false;
101    mFunctorCount = 0;
102}
103
104///////////////////////////////////////////////////////////////////////////////
105// Operations
106///////////////////////////////////////////////////////////////////////////////
107
108DisplayList* DisplayListRenderer::getDisplayList(DisplayList* displayList) {
109    if (!displayList) {
110        displayList = new DisplayList(*this);
111    } else {
112        displayList->initFromDisplayListRenderer(*this, true);
113    }
114    // TODO: should just avoid setting the DisplayList's DisplayListData
115    displayList->setRenderable(mHasDrawOps);
116    return displayList;
117}
118
119void DisplayListRenderer::setViewport(int width, int height) {
120    // TODO: DisplayListRenderer shouldn't have a projection matrix, as it should never be used
121    mViewProjMatrix.loadOrtho(0, width, height, 0, -1, 1);
122
123    initializeViewport(width, height);
124}
125
126status_t DisplayListRenderer::prepareDirty(float left, float top,
127        float right, float bottom, bool opaque) {
128    initializeSaveStack(0, 0, getWidth(), getHeight());
129
130    mDirtyClip = opaque;
131    mRestoreSaveCount = -1;
132
133    return DrawGlInfo::kStatusDone; // No invalidate needed at record-time
134}
135
136void DisplayListRenderer::finish() {
137    insertRestoreToCount();
138    insertTranslate();
139}
140
141void DisplayListRenderer::interrupt() {
142}
143
144void DisplayListRenderer::resume() {
145}
146
147status_t DisplayListRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) {
148    // Ignore dirty during recording, it matters only when we replay
149    addDrawOp(new (alloc()) DrawFunctorOp(functor));
150    mFunctorCount++;
151    return DrawGlInfo::kStatusDone; // No invalidate needed at record-time
152}
153
154int DisplayListRenderer::save(int flags) {
155    addStateOp(new (alloc()) SaveOp(flags));
156    return StatefulBaseRenderer::save(flags);
157}
158
159void DisplayListRenderer::restore() {
160    if (mRestoreSaveCount < 0) {
161        restoreToCount(getSaveCount() - 1);
162        return;
163    }
164
165    mRestoreSaveCount--;
166    insertTranslate();
167    StatefulBaseRenderer::restore();
168}
169
170void DisplayListRenderer::restoreToCount(int saveCount) {
171    mRestoreSaveCount = saveCount;
172    insertTranslate();
173    StatefulBaseRenderer::restoreToCount(saveCount);
174}
175
176int DisplayListRenderer::saveLayer(float left, float top, float right, float bottom,
177        int alpha, SkXfermode::Mode mode, int flags) {
178    addStateOp(new (alloc()) SaveLayerOp(left, top, right, bottom, alpha, mode, flags));
179    return StatefulBaseRenderer::save(flags);
180}
181
182void DisplayListRenderer::translate(float dx, float dy, float dz) {
183    // ignore dz, not used at defer time
184    mHasTranslate = true;
185    mTranslateX += dx;
186    mTranslateY += dy;
187    insertRestoreToCount();
188    StatefulBaseRenderer::translate(dx, dy, dz);
189}
190
191void DisplayListRenderer::rotate(float degrees) {
192    addStateOp(new (alloc()) RotateOp(degrees));
193    StatefulBaseRenderer::rotate(degrees);
194}
195
196void DisplayListRenderer::scale(float sx, float sy) {
197    addStateOp(new (alloc()) ScaleOp(sx, sy));
198    StatefulBaseRenderer::scale(sx, sy);
199}
200
201void DisplayListRenderer::skew(float sx, float sy) {
202    addStateOp(new (alloc()) SkewOp(sx, sy));
203    StatefulBaseRenderer::skew(sx, sy);
204}
205
206void DisplayListRenderer::setMatrix(const SkMatrix* matrix) {
207    matrix = refMatrix(matrix);
208    addStateOp(new (alloc()) SetMatrixOp(matrix));
209    StatefulBaseRenderer::setMatrix(matrix);
210}
211
212void DisplayListRenderer::concatMatrix(const SkMatrix* matrix) {
213    matrix = refMatrix(matrix);
214    addStateOp(new (alloc()) ConcatMatrixOp(matrix));
215    StatefulBaseRenderer::concatMatrix(matrix);
216}
217
218bool DisplayListRenderer::clipRect(float left, float top, float right, float bottom,
219        SkRegion::Op op) {
220    addStateOp(new (alloc()) ClipRectOp(left, top, right, bottom, op));
221    return StatefulBaseRenderer::clipRect(left, top, right, bottom, op);
222}
223
224bool DisplayListRenderer::clipPath(const SkPath* path, SkRegion::Op op) {
225    path = refPath(path);
226    addStateOp(new (alloc()) ClipPathOp(path, op));
227    return StatefulBaseRenderer::clipPath(path, op);
228}
229
230bool DisplayListRenderer::clipRegion(const SkRegion* region, SkRegion::Op op) {
231    region = refRegion(region);
232    addStateOp(new (alloc()) ClipRegionOp(region, op));
233    return StatefulBaseRenderer::clipRegion(region, op);
234}
235
236status_t DisplayListRenderer::drawDisplayList(DisplayList* displayList,
237        Rect& dirty, int32_t flags) {
238    // dirty is an out parameter and should not be recorded,
239    // it matters only when replaying the display list
240
241    // TODO: To be safe, the display list should be ref-counted in the
242    //       resources cache, but we rely on the caller (UI toolkit) to
243    //       do the right thing for now
244
245    DrawDisplayListOp* op = new (alloc()) DrawDisplayListOp(displayList,
246            flags, *currentTransform());
247    addDrawOp(op);
248    mDisplayListData->children.push(op);
249
250    return DrawGlInfo::kStatusDone;
251}
252
253status_t DisplayListRenderer::drawLayer(Layer* layer, float x, float y) {
254    layer = refLayer(layer);
255    addDrawOp(new (alloc()) DrawLayerOp(layer, x, y));
256    return DrawGlInfo::kStatusDone;
257}
258
259status_t DisplayListRenderer::drawBitmap(const SkBitmap* bitmap, float left, float top,
260        const SkPaint* paint) {
261    bitmap = refBitmap(bitmap);
262    paint = refPaint(paint);
263
264    addDrawOp(new (alloc()) DrawBitmapOp(bitmap, left, top, paint));
265    return DrawGlInfo::kStatusDone;
266}
267
268status_t DisplayListRenderer::drawBitmap(const SkBitmap* bitmap, const SkMatrix* matrix,
269        const SkPaint* paint) {
270    bitmap = refBitmap(bitmap);
271    matrix = refMatrix(matrix);
272    paint = refPaint(paint);
273
274    addDrawOp(new (alloc()) DrawBitmapMatrixOp(bitmap, matrix, paint));
275    return DrawGlInfo::kStatusDone;
276}
277
278status_t DisplayListRenderer::drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop,
279        float srcRight, float srcBottom, float dstLeft, float dstTop,
280        float dstRight, float dstBottom, const SkPaint* paint) {
281    bitmap = refBitmap(bitmap);
282    paint = refPaint(paint);
283
284    if (srcLeft == 0 && srcTop == 0 &&
285            srcRight == bitmap->width() && srcBottom == bitmap->height() &&
286            (srcBottom - srcTop == dstBottom - dstTop) &&
287            (srcRight - srcLeft == dstRight - dstLeft)) {
288        // transform simple rect to rect drawing case into position bitmap ops, since they merge
289        addDrawOp(new (alloc()) DrawBitmapOp(bitmap, dstLeft, dstTop, paint));
290        return DrawGlInfo::kStatusDone;
291    }
292
293    addDrawOp(new (alloc()) DrawBitmapRectOp(bitmap,
294                    srcLeft, srcTop, srcRight, srcBottom,
295                    dstLeft, dstTop, dstRight, dstBottom, paint));
296    return DrawGlInfo::kStatusDone;
297}
298
299status_t DisplayListRenderer::drawBitmapData(const SkBitmap* bitmap, float left, float top,
300        const SkPaint* paint) {
301    bitmap = refBitmapData(bitmap);
302    paint = refPaint(paint);
303
304    addDrawOp(new (alloc()) DrawBitmapDataOp(bitmap, left, top, paint));
305    return DrawGlInfo::kStatusDone;
306}
307
308status_t DisplayListRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight,
309        const float* vertices, const int* colors, const SkPaint* paint) {
310    int count = (meshWidth + 1) * (meshHeight + 1) * 2;
311    bitmap = refBitmap(bitmap);
312    vertices = refBuffer<float>(vertices, count);
313    paint = refPaint(paint);
314    colors = refBuffer<int>(colors, count);
315
316    addDrawOp(new (alloc()) DrawBitmapMeshOp(bitmap, meshWidth, meshHeight,
317                    vertices, colors, paint));
318    return DrawGlInfo::kStatusDone;
319}
320
321status_t DisplayListRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch,
322        float left, float top, float right, float bottom, const SkPaint* paint) {
323    bitmap = refBitmap(bitmap);
324    patch = refPatch(patch);
325    paint = refPaint(paint);
326
327    addDrawOp(new (alloc()) DrawPatchOp(bitmap, patch, left, top, right, bottom, paint));
328    return DrawGlInfo::kStatusDone;
329}
330
331status_t DisplayListRenderer::drawColor(int color, SkXfermode::Mode mode) {
332    addDrawOp(new (alloc()) DrawColorOp(color, mode));
333    return DrawGlInfo::kStatusDone;
334}
335
336status_t DisplayListRenderer::drawRect(float left, float top, float right, float bottom,
337        const SkPaint* paint) {
338    paint = refPaint(paint);
339    addDrawOp(new (alloc()) DrawRectOp(left, top, right, bottom, paint));
340    return DrawGlInfo::kStatusDone;
341}
342
343status_t DisplayListRenderer::drawRoundRect(float left, float top, float right, float bottom,
344        float rx, float ry, const SkPaint* paint) {
345    paint = refPaint(paint);
346    addDrawOp(new (alloc()) DrawRoundRectOp(left, top, right, bottom, rx, ry, paint));
347    return DrawGlInfo::kStatusDone;
348}
349
350status_t DisplayListRenderer::drawCircle(float x, float y, float radius, const SkPaint* paint) {
351    paint = refPaint(paint);
352    addDrawOp(new (alloc()) DrawCircleOp(x, y, radius, paint));
353    return DrawGlInfo::kStatusDone;
354}
355
356status_t DisplayListRenderer::drawOval(float left, float top, float right, float bottom,
357        const SkPaint* paint) {
358    paint = refPaint(paint);
359    addDrawOp(new (alloc()) DrawOvalOp(left, top, right, bottom, paint));
360    return DrawGlInfo::kStatusDone;
361}
362
363status_t DisplayListRenderer::drawArc(float left, float top, float right, float bottom,
364        float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint) {
365    paint = refPaint(paint);
366    addDrawOp(new (alloc()) DrawArcOp(left, top, right, bottom,
367                    startAngle, sweepAngle, useCenter, paint));
368    return DrawGlInfo::kStatusDone;
369}
370
371status_t DisplayListRenderer::drawPath(const SkPath* path, const SkPaint* paint) {
372    path = refPath(path);
373    paint = refPaint(paint);
374
375    addDrawOp(new (alloc()) DrawPathOp(path, paint));
376    return DrawGlInfo::kStatusDone;
377}
378
379status_t DisplayListRenderer::drawLines(const float* points, int count, const SkPaint* paint) {
380    points = refBuffer<float>(points, count);
381    paint = refPaint(paint);
382
383    addDrawOp(new (alloc()) DrawLinesOp(points, count, paint));
384    return DrawGlInfo::kStatusDone;
385}
386
387status_t DisplayListRenderer::drawPoints(const float* points, int count, const SkPaint* paint) {
388    points = refBuffer<float>(points, count);
389    paint = refPaint(paint);
390
391    addDrawOp(new (alloc()) DrawPointsOp(points, count, paint));
392    return DrawGlInfo::kStatusDone;
393}
394
395status_t DisplayListRenderer::drawTextOnPath(const char* text, int bytesCount, int count,
396        const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) {
397    if (!text || count <= 0) return DrawGlInfo::kStatusDone;
398
399    text = refText(text, bytesCount);
400    path = refPath(path);
401    paint = refPaint(paint);
402
403    DrawOp* op = new (alloc()) DrawTextOnPathOp(text, bytesCount, count, path,
404            hOffset, vOffset, paint);
405    addDrawOp(op);
406    return DrawGlInfo::kStatusDone;
407}
408
409status_t DisplayListRenderer::drawPosText(const char* text, int bytesCount, int count,
410        const float* positions, const SkPaint* paint) {
411    if (!text || count <= 0) return DrawGlInfo::kStatusDone;
412
413    text = refText(text, bytesCount);
414    positions = refBuffer<float>(positions, count * 2);
415    paint = refPaint(paint);
416
417    DrawOp* op = new (alloc()) DrawPosTextOp(text, bytesCount, count, positions, paint);
418    addDrawOp(op);
419    return DrawGlInfo::kStatusDone;
420}
421
422status_t DisplayListRenderer::drawText(const char* text, int bytesCount, int count,
423        float x, float y, const float* positions, const SkPaint* paint,
424        float totalAdvance, const Rect& bounds, DrawOpMode drawOpMode) {
425
426    if (!text || count <= 0) return DrawGlInfo::kStatusDone;
427
428    text = refText(text, bytesCount);
429    positions = refBuffer<float>(positions, count * 2);
430    paint = refPaint(paint);
431
432    DrawOp* op = new (alloc()) DrawTextOp(text, bytesCount, count,
433            x, y, positions, paint, totalAdvance, bounds);
434    addDrawOp(op);
435    return DrawGlInfo::kStatusDone;
436}
437
438status_t DisplayListRenderer::drawRects(const float* rects, int count, const SkPaint* paint) {
439    if (count <= 0) return DrawGlInfo::kStatusDone;
440
441    rects = refBuffer<float>(rects, count);
442    paint = refPaint(paint);
443    addDrawOp(new (alloc()) DrawRectsOp(rects, count, paint));
444    return DrawGlInfo::kStatusDone;
445}
446
447void DisplayListRenderer::resetShader() {
448    addStateOp(new (alloc()) ResetShaderOp());
449}
450
451void DisplayListRenderer::setupShader(SkiaShader* shader) {
452    shader = refShader(shader);
453    addStateOp(new (alloc()) SetupShaderOp(shader));
454}
455
456void DisplayListRenderer::resetColorFilter() {
457    addStateOp(new (alloc()) ResetColorFilterOp());
458}
459
460void DisplayListRenderer::setupColorFilter(SkiaColorFilter* filter) {
461    filter = refColorFilter(filter);
462    addStateOp(new (alloc()) SetupColorFilterOp(filter));
463}
464
465void DisplayListRenderer::resetShadow() {
466    addStateOp(new (alloc()) ResetShadowOp());
467    OpenGLRenderer::resetShadow();
468}
469
470void DisplayListRenderer::setupShadow(float radius, float dx, float dy, int color) {
471    addStateOp(new (alloc()) SetupShadowOp(radius, dx, dy, color));
472    OpenGLRenderer::setupShadow(radius, dx, dy, color);
473}
474
475void DisplayListRenderer::resetPaintFilter() {
476    addStateOp(new (alloc()) ResetPaintFilterOp());
477}
478
479void DisplayListRenderer::setupPaintFilter(int clearBits, int setBits) {
480    addStateOp(new (alloc()) SetupPaintFilterOp(clearBits, setBits));
481}
482
483void DisplayListRenderer::insertRestoreToCount() {
484    if (mRestoreSaveCount >= 0) {
485        DisplayListOp* op = new (alloc()) RestoreToCountOp(mRestoreSaveCount);
486        mDisplayListData->displayListOps.add(op);
487        mRestoreSaveCount = -1;
488    }
489}
490
491void DisplayListRenderer::insertTranslate() {
492    if (mHasTranslate) {
493        if (mTranslateX != 0.0f || mTranslateY != 0.0f) {
494            DisplayListOp* op = new (alloc()) TranslateOp(mTranslateX, mTranslateY);
495            mDisplayListData->displayListOps.add(op);
496            mTranslateX = mTranslateY = 0.0f;
497        }
498        mHasTranslate = false;
499    }
500}
501
502void DisplayListRenderer::addStateOp(StateOp* op) {
503    addOpInternal(op);
504}
505
506void DisplayListRenderer::addDrawOp(DrawOp* op) {
507    Rect localBounds;
508    if (op->getLocalBounds(mDrawModifiers, localBounds)) {
509        bool rejected = quickRejectConservative(localBounds.left, localBounds.top,
510                localBounds.right, localBounds.bottom);
511        op->setQuickRejected(rejected);
512    }
513
514    mHasDrawOps = true;
515    addOpInternal(op);
516}
517
518}; // namespace uirenderer
519}; // namespace android
520