Caches.cpp revision 087bc0c14bdccf7c258dce0cdef46a69a839b427 
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 <utils/Log.h>
20#include <utils/String8.h>
21
22#include "Caches.h"
23#include "DisplayListRenderer.h"
24#include "Properties.h"
25#include "LayerRenderer.h"
26#include "ShadowTessellator.h"
27
28namespace android {
29
30#ifdef USE_OPENGL_RENDERER
31using namespace uirenderer;
32ANDROID_SINGLETON_STATIC_INSTANCE(Caches);
33#endif
34
35namespace uirenderer {
36
37///////////////////////////////////////////////////////////////////////////////
38// Macros
39///////////////////////////////////////////////////////////////////////////////
40
41#if DEBUG_CACHE_FLUSH
42    #define FLUSH_LOGD(...) ALOGD(__VA_ARGS__)
43#else
44    #define FLUSH_LOGD(...)
45#endif
46
47///////////////////////////////////////////////////////////////////////////////
48// Constructors/destructor
49///////////////////////////////////////////////////////////////////////////////
50
51Caches::Caches(): Singleton<Caches>(),
52        mExtensions(Extensions::getInstance()), mInitialized(false) {
53    init();
54    initFont();
55    initConstraints();
56    initProperties();
57    initStaticProperties();
58    initExtensions();
59    initTempProperties();
60
61    mDebugLevel = readDebugLevel();
62    ALOGD("Enabling debug mode %d", mDebugLevel);
63}
64
65bool Caches::init() {
66    if (mInitialized) return false;
67
68    glGenBuffers(1, &meshBuffer);
69    glBindBuffer(GL_ARRAY_BUFFER, meshBuffer);
70    glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW);
71
72    mCurrentBuffer = meshBuffer;
73    mCurrentIndicesBuffer = 0;
74    mCurrentPositionPointer = this;
75    mCurrentPositionStride = 0;
76    mCurrentTexCoordsPointer = this;
77    mCurrentPixelBuffer = 0;
78
79    mTexCoordsArrayEnabled = false;
80
81    glDisable(GL_SCISSOR_TEST);
82    scissorEnabled = false;
83    mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0;
84
85    glActiveTexture(gTextureUnits[0]);
86    mTextureUnit = 0;
87
88    mRegionMesh = NULL;
89    mMeshIndices = 0;
90    mShadowStripsIndices = 0;
91    blend = false;
92    lastSrcMode = GL_ZERO;
93    lastDstMode = GL_ZERO;
94    currentProgram = NULL;
95
96    mFunctorsCount = 0;
97
98    debugLayersUpdates = false;
99    debugOverdraw = false;
100    debugStencilClip = kStencilHide;
101
102    patchCache.init(*this);
103
104    mInitialized = true;
105
106    resetBoundTextures();
107
108    return true;
109}
110
111void Caches::initFont() {
112    fontRenderer = GammaFontRenderer::createRenderer();
113}
114
115void Caches::initExtensions() {
116    if (mExtensions.hasDebugMarker()) {
117        eventMark = glInsertEventMarkerEXT;
118
119        startMark = glPushGroupMarkerEXT;
120        endMark = glPopGroupMarkerEXT;
121    } else {
122        eventMark = eventMarkNull;
123        startMark = startMarkNull;
124        endMark = endMarkNull;
125    }
126
127    if (mExtensions.hasDebugLabel() && (drawDeferDisabled || drawReorderDisabled)) {
128        setLabel = glLabelObjectEXT;
129        getLabel = glGetObjectLabelEXT;
130    } else {
131        setLabel = setLabelNull;
132        getLabel = getLabelNull;
133    }
134}
135
136void Caches::initConstraints() {
137    GLint maxTextureUnits;
138    glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits);
139    if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) {
140        ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT);
141    }
142
143    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
144}
145
146void Caches::initStaticProperties() {
147    gpuPixelBuffersEnabled = false;
148
149    // OpenGL ES 3.0+ specific features
150    if (mExtensions.hasPixelBufferObjects()) {
151        char property[PROPERTY_VALUE_MAX];
152        if (property_get(PROPERTY_ENABLE_GPU_PIXEL_BUFFERS, property, "true") > 0) {
153            gpuPixelBuffersEnabled = !strcmp(property, "true");
154        }
155    }
156}
157
158bool Caches::initProperties() {
159    bool prevDebugLayersUpdates = debugLayersUpdates;
160    bool prevDebugOverdraw = debugOverdraw;
161    StencilClipDebug prevDebugStencilClip = debugStencilClip;
162
163    char property[PROPERTY_VALUE_MAX];
164    if (property_get(PROPERTY_DEBUG_LAYERS_UPDATES, property, NULL) > 0) {
165        INIT_LOGD("  Layers updates debug enabled: %s", property);
166        debugLayersUpdates = !strcmp(property, "true");
167    } else {
168        debugLayersUpdates = false;
169    }
170
171    debugOverdraw = false;
172    if (property_get(PROPERTY_DEBUG_OVERDRAW, property, NULL) > 0) {
173        INIT_LOGD("  Overdraw debug enabled: %s", property);
174        if (!strcmp(property, "show")) {
175            debugOverdraw = true;
176            mOverdrawDebugColorSet = kColorSet_Default;
177        } else if (!strcmp(property, "show_deuteranomaly")) {
178            debugOverdraw = true;
179            mOverdrawDebugColorSet = kColorSet_Deuteranomaly;
180        }
181    }
182
183    // See Properties.h for valid values
184    if (property_get(PROPERTY_DEBUG_STENCIL_CLIP, property, NULL) > 0) {
185        INIT_LOGD("  Stencil clip debug enabled: %s", property);
186        if (!strcmp(property, "hide")) {
187            debugStencilClip = kStencilHide;
188        } else if (!strcmp(property, "highlight")) {
189            debugStencilClip = kStencilShowHighlight;
190        } else if (!strcmp(property, "region")) {
191            debugStencilClip = kStencilShowRegion;
192        }
193    } else {
194        debugStencilClip = kStencilHide;
195    }
196
197    if (property_get(PROPERTY_DISABLE_DRAW_DEFER, property, "false")) {
198        drawDeferDisabled = !strcasecmp(property, "true");
199        INIT_LOGD("  Draw defer %s", drawDeferDisabled ? "disabled" : "enabled");
200    } else {
201        INIT_LOGD("  Draw defer enabled");
202    }
203
204    if (property_get(PROPERTY_DISABLE_DRAW_REORDER, property, "false")) {
205        drawReorderDisabled = !strcasecmp(property, "true");
206        INIT_LOGD("  Draw reorder %s", drawReorderDisabled ? "disabled" : "enabled");
207    } else {
208        INIT_LOGD("  Draw reorder enabled");
209    }
210
211    return (prevDebugLayersUpdates != debugLayersUpdates) ||
212            (prevDebugOverdraw != debugOverdraw) ||
213            (prevDebugStencilClip != debugStencilClip);
214}
215
216void Caches::terminate() {
217    if (!mInitialized) return;
218
219    glDeleteBuffers(1, &meshBuffer);
220    mCurrentBuffer = 0;
221
222    glDeleteBuffers(1, &mMeshIndices);
223    delete[] mRegionMesh;
224    mMeshIndices = 0;
225    mRegionMesh = NULL;
226
227    glDeleteBuffers(1, &mShadowStripsIndices);
228    mShadowStripsIndices = 0;
229
230    fboCache.clear();
231
232    programCache.clear();
233    currentProgram = NULL;
234
235    assetAtlas.terminate();
236
237    patchCache.clear();
238
239    clearGarbage();
240
241    mInitialized = false;
242}
243
244///////////////////////////////////////////////////////////////////////////////
245// Debug
246///////////////////////////////////////////////////////////////////////////////
247
248uint32_t Caches::getOverdrawColor(uint32_t amount) const {
249    static uint32_t sOverdrawColors[2][4] = {
250            { 0x2f0000ff, 0x2f00ff00, 0x3fff0000, 0x7fff0000 },
251            { 0x2f0000ff, 0x4fffff00, 0x5fff8ad8, 0x7fff0000 }
252    };
253    if (amount < 1) amount = 1;
254    if (amount > 4) amount = 4;
255    return sOverdrawColors[mOverdrawDebugColorSet][amount - 1];
256}
257
258void Caches::dumpMemoryUsage() {
259    String8 stringLog;
260    dumpMemoryUsage(stringLog);
261    ALOGD("%s", stringLog.string());
262}
263
264void Caches::dumpMemoryUsage(String8 &log) {
265    log.appendFormat("Current memory usage / total memory usage (bytes):\n");
266    log.appendFormat("  TextureCache         %8d / %8d\n",
267            textureCache.getSize(), textureCache.getMaxSize());
268    log.appendFormat("  LayerCache           %8d / %8d\n",
269            layerCache.getSize(), layerCache.getMaxSize());
270    log.appendFormat("  RenderBufferCache    %8d / %8d\n",
271            renderBufferCache.getSize(), renderBufferCache.getMaxSize());
272    log.appendFormat("  GradientCache        %8d / %8d\n",
273            gradientCache.getSize(), gradientCache.getMaxSize());
274    log.appendFormat("  PathCache            %8d / %8d\n",
275            pathCache.getSize(), pathCache.getMaxSize());
276    log.appendFormat("  TextDropShadowCache  %8d / %8d\n", dropShadowCache.getSize(),
277            dropShadowCache.getMaxSize());
278    log.appendFormat("  PatchCache           %8d / %8d\n",
279            patchCache.getSize(), patchCache.getMaxSize());
280    for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
281        const uint32_t sizeA8 = fontRenderer->getFontRendererSize(i, GL_ALPHA);
282        const uint32_t sizeRGBA = fontRenderer->getFontRendererSize(i, GL_RGBA);
283        log.appendFormat("  FontRenderer %d A8    %8d / %8d\n", i, sizeA8, sizeA8);
284        log.appendFormat("  FontRenderer %d RGBA  %8d / %8d\n", i, sizeRGBA, sizeRGBA);
285        log.appendFormat("  FontRenderer %d total %8d / %8d\n", i, sizeA8 + sizeRGBA,
286                sizeA8 + sizeRGBA);
287    }
288    log.appendFormat("Other:\n");
289    log.appendFormat("  FboCache             %8d / %8d\n",
290            fboCache.getSize(), fboCache.getMaxSize());
291
292    uint32_t total = 0;
293    total += textureCache.getSize();
294    total += layerCache.getSize();
295    total += renderBufferCache.getSize();
296    total += gradientCache.getSize();
297    total += pathCache.getSize();
298    total += dropShadowCache.getSize();
299    total += patchCache.getSize();
300    for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
301        total += fontRenderer->getFontRendererSize(i, GL_ALPHA);
302        total += fontRenderer->getFontRendererSize(i, GL_RGBA);
303    }
304
305    log.appendFormat("Total memory usage:\n");
306    log.appendFormat("  %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f);
307}
308
309///////////////////////////////////////////////////////////////////////////////
310// Memory management
311///////////////////////////////////////////////////////////////////////////////
312
313void Caches::clearGarbage() {
314    textureCache.clearGarbage();
315    pathCache.clearGarbage();
316    patchCache.clearGarbage();
317
318    Vector<Layer*> layers;
319
320    { // scope for the lock
321        Mutex::Autolock _l(mGarbageLock);
322        layers = mLayerGarbage;
323        mLayerGarbage.clear();
324    }
325
326    size_t count = layers.size();
327    for (size_t i = 0; i < count; i++) {
328        Layer* layer = layers.itemAt(i);
329        delete layer;
330    }
331    layers.clear();
332}
333
334void Caches::deleteLayerDeferred(Layer* layer) {
335    Mutex::Autolock _l(mGarbageLock);
336    mLayerGarbage.push(layer);
337}
338
339void Caches::flush(FlushMode mode) {
340    FLUSH_LOGD("Flushing caches (mode %d)", mode);
341
342    // We must stop tasks before clearing caches
343    if (mode > kFlushMode_Layers) {
344        tasks.stop();
345    }
346
347    switch (mode) {
348        case kFlushMode_Full:
349            textureCache.clear();
350            patchCache.clear();
351            dropShadowCache.clear();
352            gradientCache.clear();
353            fontRenderer->clear();
354            fboCache.clear();
355            dither.clear();
356            // fall through
357        case kFlushMode_Moderate:
358            fontRenderer->flush();
359            textureCache.flush();
360            pathCache.clear();
361            // fall through
362        case kFlushMode_Layers:
363            layerCache.clear();
364            renderBufferCache.clear();
365            break;
366    }
367
368    clearGarbage();
369}
370
371///////////////////////////////////////////////////////////////////////////////
372// VBO
373///////////////////////////////////////////////////////////////////////////////
374
375bool Caches::bindMeshBuffer() {
376    return bindMeshBuffer(meshBuffer);
377}
378
379bool Caches::bindMeshBuffer(const GLuint buffer) {
380    if (mCurrentBuffer != buffer) {
381        glBindBuffer(GL_ARRAY_BUFFER, buffer);
382        mCurrentBuffer = buffer;
383        return true;
384    }
385    return false;
386}
387
388bool Caches::unbindMeshBuffer() {
389    if (mCurrentBuffer) {
390        glBindBuffer(GL_ARRAY_BUFFER, 0);
391        mCurrentBuffer = 0;
392        return true;
393    }
394    return false;
395}
396
397bool Caches::bindIndicesBufferInternal(const GLuint buffer) {
398    if (mCurrentIndicesBuffer != buffer) {
399        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
400        mCurrentIndicesBuffer = buffer;
401        return true;
402    }
403    return false;
404}
405
406bool Caches::bindQuadIndicesBuffer() {
407    if (!mMeshIndices) {
408        uint16_t* regionIndices = new uint16_t[gMaxNumberOfQuads * 6];
409        for (uint32_t i = 0; i < gMaxNumberOfQuads; i++) {
410            uint16_t quad = i * 4;
411            int index = i * 6;
412            regionIndices[index    ] = quad;       // top-left
413            regionIndices[index + 1] = quad + 1;   // top-right
414            regionIndices[index + 2] = quad + 2;   // bottom-left
415            regionIndices[index + 3] = quad + 2;   // bottom-left
416            regionIndices[index + 4] = quad + 1;   // top-right
417            regionIndices[index + 5] = quad + 3;   // bottom-right
418        }
419
420        glGenBuffers(1, &mMeshIndices);
421        bool force = bindIndicesBufferInternal(mMeshIndices);
422        glBufferData(GL_ELEMENT_ARRAY_BUFFER, gMaxNumberOfQuads * 6 * sizeof(uint16_t),
423                regionIndices, GL_STATIC_DRAW);
424
425        delete[] regionIndices;
426        return force;
427    }
428
429    return bindIndicesBufferInternal(mMeshIndices);
430}
431
432bool Caches::bindShadowIndicesBuffer() {
433    if (!mShadowStripsIndices) {
434        uint16_t* shadowIndices = new uint16_t[MAX_SHADOW_INDEX_COUNT];
435        ShadowTessellator::generateShadowIndices(shadowIndices);
436        glGenBuffers(1, &mShadowStripsIndices);
437        bool force = bindIndicesBufferInternal(mShadowStripsIndices);
438        glBufferData(GL_ELEMENT_ARRAY_BUFFER, MAX_SHADOW_INDEX_COUNT * sizeof(uint16_t),
439            shadowIndices, GL_STATIC_DRAW);
440
441        delete[] shadowIndices;
442        return force;
443    }
444
445    return bindIndicesBufferInternal(mShadowStripsIndices);
446}
447
448bool Caches::unbindIndicesBuffer() {
449    if (mCurrentIndicesBuffer) {
450        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
451        mCurrentIndicesBuffer = 0;
452        return true;
453    }
454    return false;
455}
456
457///////////////////////////////////////////////////////////////////////////////
458// PBO
459///////////////////////////////////////////////////////////////////////////////
460
461bool Caches::bindPixelBuffer(const GLuint buffer) {
462    if (mCurrentPixelBuffer != buffer) {
463        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
464        mCurrentPixelBuffer = buffer;
465        return true;
466    }
467    return false;
468}
469
470bool Caches::unbindPixelBuffer() {
471    if (mCurrentPixelBuffer) {
472        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
473        mCurrentPixelBuffer = 0;
474        return true;
475    }
476    return false;
477}
478
479///////////////////////////////////////////////////////////////////////////////
480// Meshes and textures
481///////////////////////////////////////////////////////////////////////////////
482
483void Caches::bindPositionVertexPointer(bool force, const GLvoid* vertices, GLsizei stride) {
484    if (force || vertices != mCurrentPositionPointer || stride != mCurrentPositionStride) {
485        GLuint slot = currentProgram->position;
486        glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices);
487        mCurrentPositionPointer = vertices;
488        mCurrentPositionStride = stride;
489    }
490}
491
492void Caches::bindTexCoordsVertexPointer(bool force, const GLvoid* vertices, GLsizei stride) {
493    if (force || vertices != mCurrentTexCoordsPointer || stride != mCurrentTexCoordsStride) {
494        GLuint slot = currentProgram->texCoords;
495        glVertexAttribPointer(slot, 2, GL_FLOAT, GL_FALSE, stride, vertices);
496        mCurrentTexCoordsPointer = vertices;
497        mCurrentTexCoordsStride = stride;
498    }
499}
500
501void Caches::resetVertexPointers() {
502    mCurrentPositionPointer = this;
503    mCurrentTexCoordsPointer = this;
504}
505
506void Caches::resetTexCoordsVertexPointer() {
507    mCurrentTexCoordsPointer = this;
508}
509
510void Caches::enableTexCoordsVertexArray() {
511    if (!mTexCoordsArrayEnabled) {
512        glEnableVertexAttribArray(Program::kBindingTexCoords);
513        mCurrentTexCoordsPointer = this;
514        mTexCoordsArrayEnabled = true;
515    }
516}
517
518void Caches::disableTexCoordsVertexArray() {
519    if (mTexCoordsArrayEnabled) {
520        glDisableVertexAttribArray(Program::kBindingTexCoords);
521        mTexCoordsArrayEnabled = false;
522    }
523}
524
525void Caches::activeTexture(GLuint textureUnit) {
526    if (mTextureUnit != textureUnit) {
527        glActiveTexture(gTextureUnits[textureUnit]);
528        mTextureUnit = textureUnit;
529    }
530}
531
532void Caches::resetActiveTexture() {
533    mTextureUnit = -1;
534}
535
536void Caches::bindTexture(GLuint texture) {
537    if (mBoundTextures[mTextureUnit] != texture) {
538        glBindTexture(GL_TEXTURE_2D, texture);
539        mBoundTextures[mTextureUnit] = texture;
540    }
541}
542
543void Caches::bindTexture(GLenum target, GLuint texture) {
544    if (mBoundTextures[mTextureUnit] != texture) {
545        glBindTexture(target, texture);
546        mBoundTextures[mTextureUnit] = texture;
547    }
548}
549
550void Caches::deleteTexture(GLuint texture) {
551    // When glDeleteTextures() is called on a currently bound texture,
552    // OpenGL ES specifies that the texture is then considered unbound
553    // Consider the following series of calls:
554    //
555    // glGenTextures -> creates texture name 2
556    // glBindTexture(2)
557    // glDeleteTextures(2) -> 2 is now unbound
558    // glGenTextures -> can return 2 again
559    //
560    // If we don't call glBindTexture(2) after the second glGenTextures
561    // call, any texture operation will be performed on the default
562    // texture (name=0)
563
564    for (int i = 0; i < REQUIRED_TEXTURE_UNITS_COUNT; i++) {
565        if (mBoundTextures[i] == texture) {
566            mBoundTextures[i] = 0;
567        }
568    }
569    glDeleteTextures(1, &texture);
570}
571
572void Caches::resetBoundTextures() {
573    memset(mBoundTextures, 0, REQUIRED_TEXTURE_UNITS_COUNT * sizeof(GLuint));
574}
575
576///////////////////////////////////////////////////////////////////////////////
577// Scissor
578///////////////////////////////////////////////////////////////////////////////
579
580bool Caches::setScissor(GLint x, GLint y, GLint width, GLint height) {
581    if (scissorEnabled && (x != mScissorX || y != mScissorY ||
582            width != mScissorWidth || height != mScissorHeight)) {
583
584        if (x < 0) {
585            width += x;
586            x = 0;
587        }
588        if (y < 0) {
589            height += y;
590            y = 0;
591        }
592        if (width < 0) {
593            width = 0;
594        }
595        if (height < 0) {
596            height = 0;
597        }
598        glScissor(x, y, width, height);
599
600        mScissorX = x;
601        mScissorY = y;
602        mScissorWidth = width;
603        mScissorHeight = height;
604
605        return true;
606    }
607    return false;
608}
609
610bool Caches::enableScissor() {
611    if (!scissorEnabled) {
612        glEnable(GL_SCISSOR_TEST);
613        scissorEnabled = true;
614        resetScissor();
615        return true;
616    }
617    return false;
618}
619
620bool Caches::disableScissor() {
621    if (scissorEnabled) {
622        glDisable(GL_SCISSOR_TEST);
623        scissorEnabled = false;
624        return true;
625    }
626    return false;
627}
628
629void Caches::setScissorEnabled(bool enabled) {
630    if (scissorEnabled != enabled) {
631        if (enabled) glEnable(GL_SCISSOR_TEST);
632        else glDisable(GL_SCISSOR_TEST);
633        scissorEnabled = enabled;
634    }
635}
636
637void Caches::resetScissor() {
638    mScissorX = mScissorY = mScissorWidth = mScissorHeight = 0;
639}
640
641///////////////////////////////////////////////////////////////////////////////
642// Tiling
643///////////////////////////////////////////////////////////////////////////////
644
645void Caches::startTiling(GLuint x, GLuint y, GLuint width, GLuint height, bool discard) {
646    if (mExtensions.hasTiledRendering() && !debugOverdraw) {
647        glStartTilingQCOM(x, y, width, height, (discard ? GL_NONE : GL_COLOR_BUFFER_BIT0_QCOM));
648    }
649}
650
651void Caches::endTiling() {
652    if (mExtensions.hasTiledRendering() && !debugOverdraw) {
653        glEndTilingQCOM(GL_COLOR_BUFFER_BIT0_QCOM);
654    }
655}
656
657bool Caches::hasRegisteredFunctors() {
658    return mFunctorsCount > 0;
659}
660
661void Caches::registerFunctors(uint32_t functorCount) {
662    mFunctorsCount += functorCount;
663}
664
665void Caches::unregisterFunctors(uint32_t functorCount) {
666    if (functorCount > mFunctorsCount) {
667        mFunctorsCount = 0;
668    } else {
669        mFunctorsCount -= functorCount;
670    }
671}
672
673///////////////////////////////////////////////////////////////////////////////
674// Regions
675///////////////////////////////////////////////////////////////////////////////
676
677TextureVertex* Caches::getRegionMesh() {
678    // Create the mesh, 2 triangles and 4 vertices per rectangle in the region
679    if (!mRegionMesh) {
680        mRegionMesh = new TextureVertex[gMaxNumberOfQuads * 4];
681    }
682
683    return mRegionMesh;
684}
685
686///////////////////////////////////////////////////////////////////////////////
687// Temporary Properties
688///////////////////////////////////////////////////////////////////////////////
689
690void Caches::initTempProperties() {
691    propertyAmbientShadowStrength = 25;
692    propertySpotShadowStrength = 25;
693
694    propertyLightPosXScale = 0.5f;
695    propertyLightPosYScale = 0.0f;
696    propertyLightPosZScale = 1.0f;
697}
698
699void Caches::setTempProperty(const char* name, const char* value) {
700    ALOGD("setting property %s to %s", name, value);
701    if (!strcmp(name, "ambientShadowStrength")) {
702        propertyAmbientShadowStrength = atoi(value);
703        ALOGD("ambient shadow strength = 0x%x out of 0xff", propertyAmbientShadowStrength);
704        return;
705    } else if (!strcmp(name, "spotShadowStrength")) {
706        propertySpotShadowStrength = atoi(value);
707        ALOGD("spot shadow strength = 0x%x out of 0xff", propertySpotShadowStrength);
708        return;
709    } else if (!strcmp(name, "lightPosXScale")) {
710        propertyLightPosXScale = fmin(fmax(atof(value), 0.0), 1.0);
711        ALOGD("lightPos X Scale = %.2f", propertyLightPosXScale);
712        return;
713    }  else if (!strcmp(name, "lightPosYScale")) {
714        propertyLightPosYScale = fmin(fmax(atof(value), 0.0), 1.0);
715        ALOGD("lightPos Y Scale = %.2f", propertyLightPosXScale);
716        return;
717    }  else if (!strcmp(name, "lightPosZScale")) {
718        propertyLightPosZScale = fmin(fmax(atof(value), 0.0), 1.0);
719        ALOGD("lightPos Z Scale = %.2f", propertyLightPosXScale);
720        return;
721    }
722    ALOGD("    failed");
723}
724
725}; // namespace uirenderer
726}; // namespace android
727