epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 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. |
| 7 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #include "SkGLDevice.h" |
| 9 | #include "SkGL.h" |
| 10 | #include "SkDrawProcs.h" |
| 11 | #include "SkRegion.h" |
| 12 | #include "SkThread.h" |
| 13 | |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 14 | #ifdef SK_GL_DEVICE_FBO |
| 15 | #define USE_FBO_DEVICE |
| 16 | #include "SkGLDevice_FBO.h" |
| 17 | #else |
| 18 | #define USE_SWLAYER_DEVICE |
| 19 | #include "SkGLDevice_SWLayer.h" |
| 20 | #endif |
| 21 | |
| 22 | // maximum number of entries in our texture cache (before purging) |
| 23 | #define kTexCountMax_Default 256 |
| 24 | // maximum number of bytes used (by gl) for the texture cache (before purging) |
| 25 | #define kTexSizeMax_Default (4 * 1024 * 1024) |
| 26 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 27 | static void TRACE_DRAW(const char func[], SkGLDevice* device, |
| 28 | const SkDraw& draw) { |
| 29 | // SkDebugf("--- <%s> %p %p\n", func, canvas, draw.fDevice); |
| 30 | } |
| 31 | |
| 32 | struct SkGLDrawProcs : public SkDrawProcs { |
| 33 | public: |
| 34 | void init(const SkRegion* clip, int height) { |
| 35 | fCurrQuad = 0; |
| 36 | fCurrTexture = 0; |
| 37 | fClip = clip; |
| 38 | fViewportHeight = height; |
| 39 | |
| 40 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| 41 | glTexCoordPointer(2, SK_TextGLType, 0, fTexs); |
| 42 | glDisableClientState(GL_COLOR_ARRAY); |
| 43 | glVertexPointer(2, SK_TextGLType, 0, fVerts); |
| 44 | } |
| 45 | |
| 46 | GLenum texture() const { return fCurrTexture; } |
| 47 | |
| 48 | void flush() { |
| 49 | if (fCurrQuad && fCurrTexture) { |
| 50 | this->drawQuads(); |
| 51 | } |
| 52 | fCurrQuad = 0; |
| 53 | } |
| 54 | |
| 55 | void addQuad(GLuint texture, int x, int y, const SkGlyph& glyph, |
| 56 | SkFixed left, SkFixed right, SkFixed bottom) { |
| 57 | SkASSERT((size_t)fCurrQuad <= SK_ARRAY_COUNT(fVerts)); |
| 58 | |
| 59 | if (fCurrTexture != texture || fCurrQuad == SK_ARRAY_COUNT(fVerts)) { |
| 60 | if (fCurrQuad && fCurrTexture) { |
| 61 | this->drawQuads(); |
| 62 | } |
| 63 | fCurrQuad = 0; |
| 64 | fCurrTexture = texture; |
| 65 | } |
| 66 | |
| 67 | fVerts[fCurrQuad].setIRectFan(x, y, |
| 68 | x + glyph.fWidth, y + glyph.fHeight); |
| 69 | fTexs[fCurrQuad].setXRectFan(left, 0, right, bottom); |
| 70 | fCurrQuad += 4; |
| 71 | } |
| 72 | |
| 73 | void drawQuads(); |
| 74 | |
| 75 | private: |
| 76 | enum { |
| 77 | MAX_QUADS = 32 |
| 78 | }; |
| 79 | |
| 80 | SkGLTextVertex fVerts[MAX_QUADS * 4]; |
| 81 | SkGLTextVertex fTexs[MAX_QUADS * 4]; |
| 82 | |
| 83 | // these are initialized in setupForText |
| 84 | GLuint fCurrTexture; |
| 85 | int fCurrQuad; |
| 86 | int fViewportHeight; |
| 87 | const SkRegion* fClip; |
| 88 | }; |
| 89 | |
| 90 | /////////////////////////////////////////////////////////////////////////////// |
| 91 | |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 92 | SkDevice* SkGLDeviceFactory::newDevice(SkBitmap::Config config, int width, |
| 93 | int height, bool isOpaque, |
| 94 | bool isForLayer) { |
| 95 | SkBitmap bitmap; |
| 96 | |
| 97 | bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height); |
| 98 | bitmap.setIsOpaque(isOpaque); |
| 99 | |
| 100 | #ifdef USE_FBO_DEVICE |
| 101 | return SkNEW_ARGS(SkGLDevice_FBO, (bitmap, isForLayer)); |
| 102 | #elif defined(USE_SWLAYER_DEVICE) |
| 103 | if (isForLayer) { |
| 104 | bitmap.allocPixels(); |
| 105 | if (!bitmap.isOpaque()) { |
| 106 | bitmap.eraseColor(0); |
| 107 | } |
| 108 | return SkNEW_ARGS(SkGLDevice_SWLayer, (bitmap)); |
| 109 | } else { |
| 110 | return SkNEW_ARGS(SkGLDevice, (bitmap, isForLayer)); |
| 111 | } |
| 112 | #else |
| 113 | return SkNEW_ARGS(SkGLDevice, (bitmap, isForLayer)); |
| 114 | #endif |
| 115 | } |
| 116 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 117 | SkGLDevice::SkGLDevice(const SkBitmap& bitmap, bool offscreen) |
| 118 | : SkDevice(bitmap), fClipIter(bitmap.height()) { |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 119 | glEnable(GL_TEXTURE_2D); |
| 120 | glEnable(GL_SCISSOR_TEST); |
| 121 | glEnableClientState(GL_VERTEX_ARRAY); |
| 122 | |
| 123 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| 124 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 125 | fDrawProcs = NULL; |
| 126 | } |
| 127 | |
| 128 | SkGLDevice::~SkGLDevice() { |
| 129 | if (fDrawProcs) { |
| 130 | SkDELETE(fDrawProcs); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | void SkGLDevice::setMatrixClip(const SkMatrix& matrix, const SkRegion& clip) { |
| 135 | this->INHERITED::setMatrixClip(matrix, clip); |
| 136 | |
| 137 | fGLMatrix.set(matrix); |
| 138 | fMatrix = matrix; |
| 139 | fClip = clip; |
| 140 | fDirty = true; |
| 141 | } |
| 142 | |
| 143 | SkGLDevice::TexOrientation SkGLDevice::bindDeviceAsTexture() { |
| 144 | return kNo_TexOrientation; |
| 145 | } |
| 146 | |
| 147 | void SkGLDevice::gainFocus(SkCanvas* canvas) { |
| 148 | this->INHERITED::gainFocus(canvas); |
| 149 | |
| 150 | const int w = this->width(); |
| 151 | const int h = this->height(); |
| 152 | glViewport(0, 0, w, h); |
| 153 | glMatrixMode(GL_PROJECTION); |
| 154 | glLoadIdentity(); |
| 155 | SkGL::Ortho(0, w, h, 0, -1, 1); |
| 156 | glMatrixMode(GL_MODELVIEW); |
| 157 | fDirty = true; |
| 158 | } |
| 159 | |
| 160 | SkGLClipIter* SkGLDevice::updateMatrixClip() { |
| 161 | bool useIter = false; |
| 162 | |
| 163 | // first handle the clip |
| 164 | if (fDirty || !fClip.isRect()) { |
| 165 | fClipIter.reset(fClip); |
| 166 | useIter = true; |
| 167 | } else if (fDirty) { |
| 168 | // no iter means caller is not respecting complex clips :( |
| 169 | SkGL::Scissor(fClip.getBounds(), this->height()); |
| 170 | } |
| 171 | // else we're just a rect, and we've already call scissor |
| 172 | |
| 173 | // now handle the matrix |
| 174 | if (fDirty) { |
| 175 | MAKE_GL(glLoadMatrix)(fGLMatrix.fMat); |
| 176 | #if 0 |
| 177 | SkDebugf("--- gldevice update matrix %p %p\n", this, fFBO); |
| 178 | for (int y = 0; y < 4; y++) { |
| 179 | SkDebugf(" [ "); |
| 180 | for (int x = 0; x < 4; x++) { |
| 181 | SkDebugf("%g ", fGLMatrix.fMat[y*4 + x]); |
| 182 | } |
| 183 | SkDebugf("]\n"); |
| 184 | } |
| 185 | #endif |
| 186 | fDirty = false; |
| 187 | } |
| 188 | |
| 189 | return useIter ? &fClipIter : NULL; |
| 190 | } |
| 191 | |
| 192 | /////////////////////////////////////////////////////////////////////////////// |
| 193 | |
| 194 | // must be in the same order as SkXfermode::Coeff in SkXfermode.h |
| 195 | SkGLDevice::AutoPaintShader::AutoPaintShader(SkGLDevice* device, |
| 196 | const SkPaint& paint) { |
| 197 | fDevice = device; |
| 198 | fTexCache = device->setupGLPaintShader(paint); |
| 199 | } |
| 200 | |
| 201 | SkGLDevice::AutoPaintShader::~AutoPaintShader() { |
| 202 | if (fTexCache) { |
| 203 | SkGLDevice::UnlockTexCache(fTexCache); |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | SkGLDevice::TexCache* SkGLDevice::setupGLPaintShader(const SkPaint& paint) { |
| 208 | SkGL::SetPaint(paint); |
| 209 | |
| 210 | SkShader* shader = paint.getShader(); |
| 211 | if (NULL == shader) { |
| 212 | return NULL; |
| 213 | } |
| 214 | |
| 215 | if (!shader->setContext(this->accessBitmap(false), paint, this->matrix())) { |
| 216 | return NULL; |
| 217 | } |
| 218 | |
| 219 | SkBitmap bitmap; |
| 220 | SkMatrix matrix; |
| 221 | SkShader::TileMode tileModes[2]; |
| 222 | if (!shader->asABitmap(&bitmap, &matrix, tileModes)) { |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 223 | SkGL_unimpl("shader->asABitmap() == false"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 224 | return NULL; |
| 225 | } |
| 226 | |
| 227 | bitmap.lockPixels(); |
| 228 | if (!bitmap.readyToDraw()) { |
| 229 | return NULL; |
| 230 | } |
| 231 | |
| 232 | // see if we've already cached the bitmap from the shader |
| 233 | SkPoint max; |
| 234 | GLuint name; |
| 235 | TexCache* cache = SkGLDevice::LockTexCache(bitmap, &name, &max); |
| 236 | // the lock has already called glBindTexture for us |
| 237 | SkGL::SetTexParams(paint.isFilterBitmap(), tileModes[0], tileModes[1]); |
| 238 | |
| 239 | // since our texture coords will be in local space, we wack the texture |
| 240 | // matrix to map them back into 0...1 before we load it |
| 241 | SkMatrix localM; |
| 242 | if (shader->getLocalMatrix(&localM)) { |
| 243 | SkMatrix inverse; |
| 244 | if (localM.invert(&inverse)) { |
| 245 | matrix.preConcat(inverse); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | matrix.postScale(max.fX / bitmap.width(), max.fY / bitmap.height()); |
| 250 | glMatrixMode(GL_TEXTURE); |
| 251 | SkGL::LoadMatrix(matrix); |
| 252 | glMatrixMode(GL_MODELVIEW); |
| 253 | |
| 254 | // since we're going to use a shader/texture, we don't want the color, |
| 255 | // just its alpha |
| 256 | SkGL::SetAlpha(paint.getAlpha()); |
| 257 | // report that we have setup the texture |
| 258 | return cache; |
| 259 | } |
| 260 | |
| 261 | /////////////////////////////////////////////////////////////////////////////// |
| 262 | /////////////////////////////////////////////////////////////////////////////// |
| 263 | |
| 264 | void SkGLDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) { |
| 265 | TRACE_DRAW("coreDrawPaint", this, draw); |
| 266 | |
| 267 | AutoPaintShader shader(this, paint); |
| 268 | SkGLVertex vertex[4]; |
| 269 | const SkGLVertex* texs = shader.useTex() ? vertex : NULL; |
| 270 | |
| 271 | // set vert to be big enough to fill the space, but not super-huge, to we |
| 272 | // don't overflow fixed-point implementations |
| 273 | { |
| 274 | SkRect r; |
| 275 | r.set(this->clip().getBounds()); |
| 276 | SkMatrix inverse; |
| 277 | if (draw.fMatrix->invert(&inverse)) { |
| 278 | inverse.mapRect(&r); |
| 279 | } |
| 280 | vertex->setRectFan(r); |
| 281 | } |
| 282 | |
| 283 | SkGL::DrawVertices(4, GL_TRIANGLE_FAN, vertex, texs, NULL, NULL, |
| 284 | this->updateMatrixClip()); |
| 285 | } |
| 286 | |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 287 | // must be in SkCanvas::PointMode order |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 288 | static const GLenum gPointMode2GL[] = { |
| 289 | GL_POINTS, |
| 290 | GL_LINES, |
| 291 | GL_LINE_STRIP |
| 292 | }; |
| 293 | |
| 294 | void SkGLDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, |
| 295 | size_t count, const SkPoint pts[], const SkPaint& paint) { |
| 296 | TRACE_DRAW("coreDrawPoints", this, draw); |
| 297 | |
| 298 | SkScalar width = paint.getStrokeWidth(); |
| 299 | if (width < 0) { |
| 300 | return; |
| 301 | } |
| 302 | |
| 303 | /* We should really only use drawverts for hairlines, since gl and skia |
| 304 | treat the thickness differently... |
| 305 | */ |
| 306 | |
| 307 | AutoPaintShader shader(this, paint); |
| 308 | |
| 309 | if (width <= 0) { |
| 310 | width = SK_Scalar1; |
| 311 | } |
| 312 | |
| 313 | if (SkCanvas::kPoints_PointMode == mode) { |
| 314 | glPointSize(SkScalarToFloat(width)); |
| 315 | } else { |
| 316 | glLineWidth(SkScalarToFloat(width)); |
| 317 | } |
| 318 | |
| 319 | const SkGLVertex* verts; |
| 320 | |
| 321 | #if GLSCALAR_IS_SCALAR |
| 322 | verts = (const SkGLVertex*)pts; |
| 323 | #else |
| 324 | SkAutoSTMalloc<32, SkGLVertex> storage(count); |
| 325 | SkGLVertex* v = storage.get(); |
| 326 | |
| 327 | v->setPoints(pts, count); |
| 328 | verts = v; |
| 329 | #endif |
| 330 | |
| 331 | const SkGLVertex* texs = shader.useTex() ? verts : NULL; |
| 332 | |
| 333 | SkGL::DrawVertices(count, gPointMode2GL[mode], verts, texs, NULL, NULL, |
| 334 | this->updateMatrixClip()); |
| 335 | } |
| 336 | |
reed@android.com | daa200e | 2009-06-01 21:18:36 +0000 | [diff] [blame] | 337 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 338 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 339 | could use an indices array, and then only send 8 verts, but not sure that |
| 340 | would be faster. |
| 341 | */ |
| 342 | static void setStrokeRectStrip(SkGLVertex verts[10], const SkRect& rect, |
| 343 | SkScalar width) { |
| 344 | const SkScalar rad = SkScalarHalf(width); |
| 345 | |
| 346 | verts[0].setScalars(rect.fLeft + rad, rect.fTop + rad); |
| 347 | verts[1].setScalars(rect.fLeft - rad, rect.fTop - rad); |
| 348 | verts[2].setScalars(rect.fRight - rad, rect.fTop + rad); |
| 349 | verts[3].setScalars(rect.fRight + rad, rect.fTop - rad); |
| 350 | verts[4].setScalars(rect.fRight - rad, rect.fBottom - rad); |
| 351 | verts[5].setScalars(rect.fRight + rad, rect.fBottom + rad); |
| 352 | verts[6].setScalars(rect.fLeft + rad, rect.fBottom - rad); |
| 353 | verts[7].setScalars(rect.fLeft - rad, rect.fBottom + rad); |
| 354 | verts[8] = verts[0]; |
| 355 | verts[9] = verts[1]; |
| 356 | } |
| 357 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 358 | void SkGLDevice::drawRect(const SkDraw& draw, const SkRect& rect, |
| 359 | const SkPaint& paint) { |
| 360 | TRACE_DRAW("coreDrawRect", this, draw); |
reed@android.com | daa200e | 2009-06-01 21:18:36 +0000 | [diff] [blame] | 361 | |
| 362 | bool doStroke = paint.getStyle() == SkPaint::kStroke_Style; |
| 363 | |
| 364 | if (doStroke) { |
| 365 | if (paint.getStrokeJoin() != SkPaint::kMiter_Join) { |
| 366 | SkGL_unimpl("non-miter stroke rect"); |
| 367 | return; |
| 368 | } |
| 369 | } else if (paint.getStrokeJoin() != SkPaint::kMiter_Join) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 370 | SkPath path; |
| 371 | path.addRect(rect); |
| 372 | this->drawPath(draw, path, paint); |
| 373 | return; |
| 374 | } |
| 375 | |
| 376 | AutoPaintShader shader(this, paint); |
reed@android.com | daa200e | 2009-06-01 21:18:36 +0000 | [diff] [blame] | 377 | SkScalar width = paint.getStrokeWidth(); |
| 378 | SkGLVertex vertex[10]; // max needed for all cases |
| 379 | int vertCount; |
| 380 | GLenum vertMode; |
| 381 | |
| 382 | if (doStroke) { |
| 383 | if (width > 0) { |
| 384 | vertCount = 10; |
| 385 | vertMode = GL_TRIANGLE_STRIP; |
| 386 | setStrokeRectStrip(vertex, rect, width); |
| 387 | } else { // hairline |
| 388 | vertCount = 5; |
| 389 | vertMode = GL_LINE_STRIP; |
| 390 | vertex[0].setScalars(rect.fLeft, rect.fTop); |
| 391 | vertex[1].setScalars(rect.fRight, rect.fTop); |
| 392 | vertex[2].setScalars(rect.fRight, rect.fBottom); |
| 393 | vertex[3].setScalars(rect.fLeft, rect.fBottom); |
| 394 | vertex[4].setScalars(rect.fLeft, rect.fTop); |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 395 | glLineWidth(1); |
reed@android.com | daa200e | 2009-06-01 21:18:36 +0000 | [diff] [blame] | 396 | } |
| 397 | } else { |
| 398 | vertCount = 4; |
| 399 | vertMode = GL_TRIANGLE_FAN; |
| 400 | vertex->setRectFan(rect); |
| 401 | } |
| 402 | |
reed@android.com | 4a7fd2b | 2009-06-02 19:46:20 +0000 | [diff] [blame] | 403 | const SkGLVertex* texs = shader.useTex() ? vertex : NULL; |
reed@android.com | daa200e | 2009-06-01 21:18:36 +0000 | [diff] [blame] | 404 | SkGL::DrawVertices(vertCount, vertMode, vertex, texs, NULL, NULL, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 405 | this->updateMatrixClip()); |
| 406 | } |
| 407 | |
| 408 | void SkGLDevice::drawPath(const SkDraw& draw, const SkPath& path, |
| 409 | const SkPaint& paint) { |
| 410 | TRACE_DRAW("coreDrawPath", this, draw); |
| 411 | if (paint.getStyle() == SkPaint::kStroke_Style) { |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 412 | SkGL_unimpl("stroke path"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 413 | return; |
| 414 | } |
| 415 | |
| 416 | AutoPaintShader shader(this, paint); |
| 417 | |
| 418 | SkGL::FillPath(path, paint, shader.useTex(), this->updateMatrixClip()); |
| 419 | } |
| 420 | |
| 421 | void SkGLDevice::drawBitmap(const SkDraw& draw, const SkBitmap& bitmap, |
| 422 | const SkMatrix& m, const SkPaint& paint) { |
| 423 | TRACE_DRAW("coreDrawBitmap", this, draw); |
| 424 | |
| 425 | SkAutoLockPixels alp(bitmap); |
| 426 | if (!bitmap.readyToDraw()) { |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | SkGLClipIter* iter = this->updateMatrixClip(); |
| 431 | |
| 432 | SkPoint max; |
| 433 | GLenum name; |
| 434 | SkAutoLockTexCache(bitmap, &name, &max); |
| 435 | // the lock has already called glBindTexture for us |
| 436 | SkGL::SetTexParamsClamp(paint.isFilterBitmap()); |
| 437 | |
| 438 | glMatrixMode(GL_TEXTURE); |
| 439 | glLoadIdentity(); |
| 440 | glMatrixMode(GL_MODELVIEW); |
| 441 | glPushMatrix(); |
| 442 | SkGL::MultMatrix(m); |
| 443 | |
| 444 | SkGLVertex pts[4], tex[4]; |
| 445 | |
| 446 | pts->setIRectFan(0, 0, bitmap.width(), bitmap.height()); |
| 447 | tex->setRectFan(0, 0, max.fX, max.fY); |
| 448 | |
| 449 | // now draw the mesh |
| 450 | SkGL::SetPaintAlpha(paint); |
| 451 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| 452 | |
| 453 | SkGL::DrawVertices(4, GL_TRIANGLE_FAN, pts, tex, NULL, NULL, iter); |
| 454 | |
| 455 | glPopMatrix(); |
| 456 | } |
| 457 | |
| 458 | // move this guy into SkGL, so we can call it from SkGLDevice |
| 459 | static void gl_drawSprite(int x, int y, int w, int h, const SkPoint& max, |
| 460 | const SkPaint& paint, SkGLClipIter* iter) { |
| 461 | SkGL::SetTexParamsClamp(false); |
| 462 | |
| 463 | glMatrixMode(GL_TEXTURE); |
| 464 | glLoadIdentity(); |
| 465 | glMatrixMode(GL_MODELVIEW); |
| 466 | glPushMatrix(); |
| 467 | glLoadIdentity(); |
| 468 | |
| 469 | SkGLVertex pts[4], tex[4]; |
| 470 | |
| 471 | // if h < 0, then the texture is bottom-to-top, but since our projection |
| 472 | // matrix always inverts Y, we have to re-invert our texture coord here |
| 473 | if (h < 0) { |
| 474 | h = -h; |
| 475 | tex->setRectFan(0, max.fY, max.fX, 0); |
| 476 | } else { |
| 477 | tex->setRectFan(0, 0, max.fX, max.fY); |
| 478 | } |
| 479 | pts->setIRectFan(x, y, x + w, y + h); |
| 480 | |
| 481 | SkGL::SetPaintAlpha(paint); |
| 482 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| 483 | |
| 484 | // should look to use glDrawTexi() has we do for text... |
| 485 | SkGL::DrawVertices(4, GL_TRIANGLE_FAN, pts, tex, NULL, NULL, iter); |
| 486 | |
| 487 | glPopMatrix(); |
| 488 | } |
| 489 | |
| 490 | void SkGLDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap, |
| 491 | int left, int top, const SkPaint& paint) { |
| 492 | TRACE_DRAW("coreDrawSprite", this, draw); |
| 493 | |
| 494 | SkAutoLockPixels alp(bitmap); |
| 495 | if (!bitmap.readyToDraw()) { |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | SkGLClipIter* iter = this->updateMatrixClip(); |
| 500 | |
| 501 | SkPoint max; |
| 502 | GLuint name; |
| 503 | SkAutoLockTexCache(bitmap, &name, &max); |
| 504 | |
| 505 | gl_drawSprite(left, top, bitmap.width(), bitmap.height(), max, paint, iter); |
| 506 | } |
| 507 | |
| 508 | void SkGLDevice::drawDevice(const SkDraw& draw, SkDevice* dev, |
| 509 | int x, int y, const SkPaint& paint) { |
| 510 | TRACE_DRAW("coreDrawDevice", this, draw); |
| 511 | |
| 512 | SkGLDevice::TexOrientation to = ((SkGLDevice*)dev)->bindDeviceAsTexture(); |
| 513 | if (SkGLDevice::kNo_TexOrientation != to) { |
| 514 | SkGLClipIter* iter = this->updateMatrixClip(); |
| 515 | |
| 516 | const SkBitmap& bm = dev->accessBitmap(false); |
| 517 | int w = bm.width(); |
| 518 | int h = bm.height(); |
| 519 | SkPoint max; |
| 520 | |
| 521 | max.set(SkFixedToScalar(w << (16 - SkNextLog2(bm.rowBytesAsPixels()))), |
| 522 | SkFixedToScalar(h << (16 - SkNextLog2(h)))); |
| 523 | |
| 524 | if (SkGLDevice::kBottomToTop_TexOrientation == to) { |
| 525 | h = -h; |
| 526 | } |
| 527 | gl_drawSprite(x, y, w, h, max, paint, iter); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | /////////////////////////////////////////////////////////////////////////////// |
| 532 | |
| 533 | static const GLenum gVertexModeToGL[] = { |
| 534 | GL_TRIANGLES, // kTriangles_VertexMode, |
| 535 | GL_TRIANGLE_STRIP, // kTriangleStrip_VertexMode, |
| 536 | GL_TRIANGLE_FAN // kTriangleFan_VertexMode |
| 537 | }; |
| 538 | |
| 539 | #include "SkShader.h" |
| 540 | |
| 541 | void SkGLDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode, |
| 542 | int vertexCount, const SkPoint vertices[], |
| 543 | const SkPoint texs[], const SkColor colors[], |
| 544 | SkXfermode* xmode, |
| 545 | const uint16_t indices[], int indexCount, |
| 546 | const SkPaint& paint) { |
| 547 | |
| 548 | if (false) { |
| 549 | SkRect bounds; |
| 550 | SkIRect ibounds; |
| 551 | |
| 552 | bounds.set(vertices, vertexCount); |
| 553 | bounds.round(&ibounds); |
| 554 | |
| 555 | SkDebugf("---- drawverts: %d pts, texs=%d colors=%d indices=%d bounds [%d %d]\n", |
| 556 | vertexCount, texs!=0, colors!=0, indexCount, ibounds.width(), ibounds.height()); |
| 557 | } |
| 558 | |
| 559 | SkGLClipIter* iter = this->updateMatrixClip(); |
| 560 | |
| 561 | SkGL::SetPaint(paint); |
| 562 | |
| 563 | const SkGLVertex* glVerts; |
| 564 | const SkGLVertex* glTexs = NULL; |
| 565 | |
| 566 | #if GLSCALAR_IS_SCALAR |
| 567 | glVerts = (const SkGLVertex*)vertices; |
| 568 | #else |
| 569 | SkAutoSTMalloc<32, SkGLVertex> storage(vertexCount); |
| 570 | storage.get()->setPoints(vertices, vertexCount); |
| 571 | glVerts = storage.get(); |
| 572 | #endif |
| 573 | |
| 574 | uint8_t* colorArray = NULL; |
| 575 | if (colors) { |
| 576 | colorArray = (uint8_t*)sk_malloc_throw(vertexCount*4); |
| 577 | SkGL::SetRGBA(colorArray, colors, vertexCount); |
| 578 | } |
| 579 | SkAutoFree afca(colorArray); |
| 580 | |
| 581 | SkGLVertex* texArray = NULL; |
| 582 | TexCache* cache = NULL; |
| 583 | |
| 584 | if (texs && paint.getShader()) { |
| 585 | SkShader* shader = paint.getShader(); |
| 586 | |
| 587 | // if (!shader->setContext(this->accessBitmap(), paint, *draw.fMatrix)) { |
| 588 | if (!shader->setContext(*draw.fBitmap, paint, *draw.fMatrix)) { |
| 589 | goto DONE; |
| 590 | } |
| 591 | |
| 592 | SkBitmap bitmap; |
| 593 | SkMatrix matrix; |
| 594 | SkShader::TileMode tileModes[2]; |
| 595 | if (shader->asABitmap(&bitmap, &matrix, tileModes)) { |
| 596 | SkPoint max; |
| 597 | GLuint name; |
| 598 | cache = SkGLDevice::LockTexCache(bitmap, &name, &max); |
| 599 | if (NULL == cache) { |
| 600 | return; |
| 601 | } |
| 602 | |
| 603 | matrix.postScale(max.fX / bitmap.width(), max.fY / bitmap.height()); |
| 604 | glMatrixMode(GL_TEXTURE); |
| 605 | SkGL::LoadMatrix(matrix); |
| 606 | glMatrixMode(GL_MODELVIEW); |
| 607 | |
| 608 | #if GLSCALAR_IS_SCALAR |
| 609 | glTexs = (const SkGLVertex*)texs; |
| 610 | #else |
| 611 | texArray = (SkGLVertex*)sk_malloc_throw(vertexCount * sizeof(SkGLVertex)); |
| 612 | texArray->setPoints(texs, vertexCount); |
| 613 | glTexs = texArray; |
| 614 | #endif |
| 615 | |
| 616 | SkGL::SetPaintAlpha(paint); |
| 617 | SkGL::SetTexParams(paint.isFilterBitmap(), |
| 618 | tileModes[0], tileModes[1]); |
| 619 | } |
| 620 | } |
| 621 | DONE: |
| 622 | SkAutoFree aftex(texArray); |
| 623 | |
| 624 | SkGL::DrawVertices(indices ? indexCount : vertexCount, |
| 625 | gVertexModeToGL[vmode], |
| 626 | glVerts, glTexs, colorArray, indices, iter); |
| 627 | |
| 628 | if (cache) { |
| 629 | SkGLDevice::UnlockTexCache(cache); |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | /////////////////////////////////////////////////////////////////////////////// |
| 634 | |
| 635 | #include "SkGlyphCache.h" |
| 636 | #include "SkGLTextCache.h" |
| 637 | |
| 638 | void SkGLDevice::GlyphCacheAuxProc(void* data) { |
| 639 | SkDebugf("-------------- delete text texture cache\n"); |
| 640 | SkDELETE((SkGLTextCache*)data); |
| 641 | } |
| 642 | |
| 643 | #ifdef SK_SCALAR_IS_FIXED |
| 644 | #define SkDiv16ToScalar(numer, denom) (SkIntToFixed(numer) / (denom)) |
| 645 | #else |
| 646 | #define SkDiv16ToScalar(numer, denom) SkScalarDiv(numer, denom) |
| 647 | #endif |
| 648 | |
| 649 | // stolen from SkDraw.cpp - D1G_NoBounder_RectClip |
| 650 | static void SkGL_Draw1Glyph(const SkDraw1Glyph& state, const SkGlyph& glyph, |
| 651 | int x, int y) { |
| 652 | SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); |
| 653 | |
| 654 | SkGLDrawProcs* procs = (SkGLDrawProcs*)state.fDraw->fProcs; |
| 655 | |
| 656 | x += glyph.fLeft; |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 657 | y += glyph.fTop; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 658 | |
| 659 | // check if we're clipped out (nothing to draw) |
| 660 | SkIRect bounds; |
| 661 | bounds.set(x, y, x + glyph.fWidth, y + glyph.fHeight); |
| 662 | if (!SkIRect::Intersects(state.fClip->getBounds(), bounds)) { |
| 663 | return; |
| 664 | } |
| 665 | |
| 666 | // now dig up our texture cache |
| 667 | |
| 668 | SkGlyphCache* gcache = state.fCache; |
| 669 | void* auxData; |
| 670 | SkGLTextCache* textCache = NULL; |
| 671 | |
| 672 | if (gcache->getAuxProcData(SkGLDevice::GlyphCacheAuxProc, &auxData)) { |
| 673 | textCache = (SkGLTextCache*)auxData; |
| 674 | } |
| 675 | if (NULL == textCache) { |
| 676 | // need to create one |
| 677 | textCache = SkNEW(SkGLTextCache); |
| 678 | gcache->setAuxProc(SkGLDevice::GlyphCacheAuxProc, textCache); |
| 679 | } |
| 680 | |
| 681 | int offset; |
| 682 | SkGLTextCache::Strike* strike = textCache->findGlyph(glyph, &offset); |
| 683 | if (NULL == strike) { |
| 684 | // make sure the glyph has an image |
| 685 | uint8_t* aa = (uint8_t*)glyph.fImage; |
| 686 | if (NULL == aa) { |
| 687 | aa = (uint8_t*)gcache->findImage(glyph); |
| 688 | if (NULL == aa) { |
| 689 | return; // can't rasterize glyph |
| 690 | } |
| 691 | } |
| 692 | strike = textCache->addGlyphAndBind(glyph, aa, &offset); |
| 693 | if (NULL == strike) { |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 694 | SkGL_unimpl("addGlyphAndBind failed, too big"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 695 | // too big to cache, need to draw as is... |
| 696 | return; |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | const int shiftW = strike->widthShift(); |
| 701 | const int shiftH = strike->heightShift(); |
| 702 | |
| 703 | SkFixed left = offset << (16 - shiftW); |
| 704 | SkFixed right = (offset + glyph.fWidth) << (16 - shiftW); |
| 705 | SkFixed bottom = glyph.fHeight << (16 - shiftH); |
| 706 | |
| 707 | procs->addQuad(strike->texture(), x, y, glyph, left, right, bottom); |
| 708 | } |
| 709 | |
| 710 | #if 1 |
| 711 | // matches the orientation used in SkGL::setRectFan. Too bad we can't rely on |
| 712 | // QUADS in android's GL |
| 713 | static const uint8_t gQuadIndices[] = { |
| 714 | 0, 1, 2, 0, 2, 3, |
| 715 | 4, 5, 6, 4, 6, 7, |
| 716 | 8, 9, 10, 8, 10, 11, |
| 717 | 12, 13, 14, 12, 14, 15, |
| 718 | 16, 17, 18, 16, 18, 19, |
| 719 | 20, 21, 22, 20, 22, 23, |
| 720 | 24, 25, 26, 24, 26, 27, |
| 721 | 28, 29, 30, 28, 30, 31, |
| 722 | 32, 33, 34, 32, 34, 35, |
| 723 | 36, 37, 38, 36, 38, 39, |
| 724 | 40, 41, 42, 40, 42, 43, |
| 725 | 44, 45, 46, 44, 46, 47, |
| 726 | 48, 49, 50, 48, 50, 51, |
| 727 | 52, 53, 54, 52, 54, 55, |
| 728 | 56, 57, 58, 56, 58, 59, |
| 729 | 60, 61, 62, 60, 62, 63, |
| 730 | 64, 65, 66, 64, 66, 67, |
| 731 | 68, 69, 70, 68, 70, 71, |
| 732 | 72, 73, 74, 72, 74, 75, |
| 733 | 76, 77, 78, 76, 78, 79, |
| 734 | 80, 81, 82, 80, 82, 83, |
| 735 | 84, 85, 86, 84, 86, 87, |
| 736 | 88, 89, 90, 88, 90, 91, |
| 737 | 92, 93, 94, 92, 94, 95, |
| 738 | 96, 97, 98, 96, 98, 99, |
| 739 | 100, 101, 102, 100, 102, 103, |
| 740 | 104, 105, 106, 104, 106, 107, |
| 741 | 108, 109, 110, 108, 110, 111, |
| 742 | 112, 113, 114, 112, 114, 115, |
| 743 | 116, 117, 118, 116, 118, 119, |
| 744 | 120, 121, 122, 120, 122, 123, |
| 745 | 124, 125, 126, 124, 126, 127 |
| 746 | }; |
| 747 | #else |
| 748 | static void generateQuadIndices(int n) { |
| 749 | int index = 0; |
| 750 | for (int i = 0; i < n; i++) { |
| 751 | SkDebugf(" %3d, %3d, %3d, %3d, %3d, %3d,\n", |
| 752 | index, index + 1, index + 2, index, index + 2, index + 3); |
| 753 | index += 4; |
| 754 | } |
| 755 | } |
| 756 | #endif |
| 757 | |
| 758 | void SkGLDrawProcs::drawQuads() { |
| 759 | SkASSERT(SK_ARRAY_COUNT(gQuadIndices) == MAX_QUADS * 6); |
| 760 | |
| 761 | glBindTexture(GL_TEXTURE_2D, fCurrTexture); |
| 762 | |
| 763 | #if 0 |
| 764 | static bool gOnce; |
| 765 | if (!gOnce) { |
| 766 | generateQuadIndices(MAX_QUADS); |
| 767 | gOnce = true; |
| 768 | } |
| 769 | #endif |
| 770 | |
| 771 | // convert from quad vertex count to triangle vertex count |
| 772 | // 6/4 * n == n + (n >> 1) since n is always a multiple of 4 |
| 773 | SkASSERT((fCurrQuad & 3) == 0); |
| 774 | int count = fCurrQuad + (fCurrQuad >> 1); |
| 775 | |
| 776 | if (fClip->isComplex()) { |
| 777 | SkGLClipIter iter(fViewportHeight); |
| 778 | iter.reset(*fClip); |
| 779 | while (!iter.done()) { |
| 780 | iter.scissor(); |
| 781 | glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_BYTE, gQuadIndices); |
| 782 | iter.next(); |
| 783 | } |
| 784 | } else { |
| 785 | glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_BYTE, gQuadIndices); |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | void SkGLDevice::setupForText(SkDraw* draw, const SkPaint& paint) { |
| 790 | // we handle complex clips in the SkDraw common code, so we don't check |
| 791 | // for it here |
| 792 | this->updateMatrixClip(); |
| 793 | |
| 794 | SkGL::SetPaint(paint, false); |
| 795 | |
| 796 | glMatrixMode(GL_TEXTURE); |
| 797 | glLoadIdentity(); |
| 798 | |
| 799 | glMatrixMode(GL_MODELVIEW); |
| 800 | glPushMatrix(); |
| 801 | glLoadIdentity(); |
| 802 | |
| 803 | // deferred allocation |
| 804 | if (NULL == fDrawProcs) { |
| 805 | fDrawProcs = SkNEW(SkGLDrawProcs); |
| 806 | fDrawProcs->fD1GProc = SkGL_Draw1Glyph; |
| 807 | } |
| 808 | |
| 809 | // init our (and GL's) state |
| 810 | fDrawProcs->init(draw->fClip, this->height()); |
| 811 | // assign to the caller's SkDraw |
| 812 | draw->fProcs = fDrawProcs; |
| 813 | |
| 814 | glEnable(GL_TEXTURE_2D); |
| 815 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| 816 | glShadeModel(GL_FLAT); |
| 817 | } |
| 818 | |
| 819 | void SkGLDevice::drawText(const SkDraw& draw, const void* text, |
| 820 | size_t byteLength, SkScalar x, SkScalar y, |
| 821 | const SkPaint& paint) { |
| 822 | /* Currently, perspective text is draw via paths, invoked directly by |
| 823 | SkDraw. This can't work for us, since the bitmap that our draw points |
| 824 | to has no pixels, so we just abort if we're in perspective. |
| 825 | |
| 826 | Better fix would be to... |
| 827 | - have a callback inside draw to handle path drawing |
| 828 | - option to have draw call the font cache, which we could patch (?) |
| 829 | */ |
| 830 | if (draw.fMatrix->getType() & SkMatrix::kPerspective_Mask) { |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 831 | SkGL_unimpl("drawText in perspective"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 832 | return; |
| 833 | } |
| 834 | |
| 835 | SkDraw myDraw(draw); |
| 836 | this->setupForText(&myDraw, paint); |
| 837 | this->INHERITED::drawText(myDraw, text, byteLength, x, y, paint); |
| 838 | fDrawProcs->flush(); |
| 839 | glPopMatrix(); // GL_MODELVIEW |
| 840 | } |
| 841 | |
| 842 | void SkGLDevice::drawPosText(const SkDraw& draw, const void* text, |
| 843 | size_t byteLength, const SkScalar pos[], |
| 844 | SkScalar constY, int scalarsPerPos, |
| 845 | const SkPaint& paint) { |
| 846 | if (draw.fMatrix->getType() & SkMatrix::kPerspective_Mask) { |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 847 | SkGL_unimpl("drawPosText in perspective"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 848 | return; |
| 849 | } |
| 850 | |
| 851 | SkDraw myDraw(draw); |
| 852 | this->setupForText(&myDraw, paint); |
| 853 | this->INHERITED::drawPosText(myDraw, text, byteLength, pos, constY, |
| 854 | scalarsPerPos, paint); |
| 855 | fDrawProcs->flush(); |
| 856 | glPopMatrix(); // GL_MODELVIEW |
| 857 | } |
| 858 | |
| 859 | void SkGLDevice::drawTextOnPath(const SkDraw& draw, const void* text, |
| 860 | size_t byteLength, const SkPath& path, |
| 861 | const SkMatrix* m, const SkPaint& paint) { |
reed@android.com | 6b82d1a | 2009-06-03 02:35:01 +0000 | [diff] [blame] | 862 | SkGL_unimpl("drawTextOnPath"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 863 | } |
| 864 | |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 865 | /////////////////////////////////////////////////////////////////////////////// |
| 866 | |
| 867 | #include "SkTextureCache.h" |
| 868 | #include "SkThread.h" |
| 869 | |
digit@google.com | 1771cbf | 2012-01-26 21:26:40 +0000 | [diff] [blame] | 870 | SK_DECLARE_STATIC_MUTEX(gTextureCacheMutex); |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 871 | static SkTextureCache gTextureCache(kTexCountMax_Default, kTexSizeMax_Default); |
| 872 | |
| 873 | SkGLDevice::TexCache* SkGLDevice::LockTexCache(const SkBitmap& bitmap, |
| 874 | GLuint* name, SkPoint* size) { |
| 875 | SkAutoMutexAcquire amc(gTextureCacheMutex); |
| 876 | |
| 877 | SkTextureCache::Entry* entry = gTextureCache.lock(bitmap); |
| 878 | if (NULL != entry) { |
| 879 | if (name) { |
| 880 | *name = entry->name(); |
| 881 | } |
| 882 | if (size) { |
| 883 | *size = entry->texSize(); |
| 884 | } |
| 885 | } |
| 886 | return (TexCache*)entry; |
| 887 | } |
| 888 | |
| 889 | void SkGLDevice::UnlockTexCache(TexCache* cache) { |
| 890 | SkAutoMutexAcquire amc(gTextureCacheMutex); |
| 891 | gTextureCache.unlock((SkTextureCache::Entry*)cache); |
| 892 | } |
| 893 | |
| 894 | // public exposure of texture cache settings |
| 895 | |
| 896 | size_t SkGLDevice::GetTextureCacheMaxCount() { |
| 897 | SkAutoMutexAcquire amc(gTextureCacheMutex); |
| 898 | return gTextureCache.getMaxCount(); |
| 899 | } |
| 900 | |
| 901 | size_t SkGLDevice::GetTextureCacheMaxSize() { |
| 902 | SkAutoMutexAcquire amc(gTextureCacheMutex); |
| 903 | return gTextureCache.getMaxSize(); |
| 904 | } |
| 905 | |
| 906 | void SkGLDevice::SetTextureCacheMaxCount(size_t count) { |
| 907 | SkAutoMutexAcquire amc(gTextureCacheMutex); |
| 908 | gTextureCache.setMaxCount(count); |
| 909 | } |
| 910 | |
| 911 | void SkGLDevice::SetTextureCacheMaxSize(size_t size) { |
| 912 | SkAutoMutexAcquire amc(gTextureCacheMutex); |
| 913 | gTextureCache.setMaxSize(size); |
| 914 | } |
| 915 | |
| 916 | /////////////////////////////////////////////////////////////////////////////// |
| 917 | |
| 918 | #include "SkGLTextCache.h" |
| 919 | |
| 920 | static bool deleteCachesProc(SkGlyphCache* cache, void* texturesAreValid) { |
| 921 | void* auxData; |
| 922 | if (cache->getAuxProcData(SkGLDevice::GlyphCacheAuxProc, &auxData)) { |
| 923 | bool valid = texturesAreValid != NULL; |
| 924 | SkGLTextCache* textCache = static_cast<SkGLTextCache*>(auxData); |
| 925 | // call this before delete, in case valid is false |
| 926 | textCache->deleteAllStrikes(valid); |
| 927 | // now free the memory for the cache itself |
| 928 | SkDELETE(textCache); |
| 929 | // now remove the entry in the glyphcache (does not call the proc) |
| 930 | cache->removeAuxProc(SkGLDevice::GlyphCacheAuxProc); |
| 931 | } |
| 932 | return false; // keep going |
| 933 | } |
| 934 | |
| 935 | void SkGLDevice::DeleteAllTextures() { |
| 936 | // free the textures in our cache |
| 937 | |
| 938 | gTextureCacheMutex.acquire(); |
| 939 | gTextureCache.deleteAllCaches(true); |
| 940 | gTextureCacheMutex.release(); |
| 941 | |
| 942 | // now free the textures in the font cache |
| 943 | |
| 944 | SkGlyphCache::VisitAllCaches(deleteCachesProc, reinterpret_cast<void*>(true) |
| 945 | ); |
| 946 | } |
| 947 | |
| 948 | void SkGLDevice::AbandonAllTextures() { |
| 949 | // abandon the textures in our cache |
| 950 | |
| 951 | gTextureCacheMutex.acquire(); |
| 952 | gTextureCache.deleteAllCaches(false); |
| 953 | gTextureCacheMutex.release(); |
| 954 | |
| 955 | // abandon the textures in the font cache |
| 956 | |
| 957 | SkGlyphCache::VisitAllCaches(deleteCachesProc, reinterpret_cast<void*>(false |
| 958 | )); |
| 959 | } |
| 960 | |