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Side by Side Diff: src/core/SkBlitter_A8.cpp

Issue 66923002: remove bogus assert, and remove outdated #ifdef (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "SkCoreBlitters.h" 10 #include "SkCoreBlitters.h"
(...skipping 332 matching lines...) Expand 10 before | Expand all | Expand 10 after
343 } 343 }
344 344
345 y += 1; 345 y += 1;
346 device += fDevice.rowBytes(); 346 device += fDevice.rowBytes();
347 alpha += mask.fRowBytes; 347 alpha += mask.fRowBytes;
348 } 348 }
349 } 349 }
350 350
351 /////////////////////////////////////////////////////////////////////////////// 351 ///////////////////////////////////////////////////////////////////////////////
352 352
353 #define SK_A8_COVERAGE_BLIT_SKIP_ZEROS
354
355 SkA8_Coverage_Blitter::SkA8_Coverage_Blitter(const SkBitmap& device, 353 SkA8_Coverage_Blitter::SkA8_Coverage_Blitter(const SkBitmap& device,
356 const SkPaint& paint) : SkRasterBlitter(device) { 354 const SkPaint& paint) : SkRasterBlitter(device) {
357 SkASSERT(NULL == paint.getShader()); 355 SkASSERT(NULL == paint.getShader());
358 SkASSERT(NULL == paint.getXfermode()); 356 SkASSERT(NULL == paint.getXfermode());
359 SkASSERT(NULL == paint.getColorFilter()); 357 SkASSERT(NULL == paint.getColorFilter());
360 } 358 }
361 359
362 void SkA8_Coverage_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[], 360 void SkA8_Coverage_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
363 const int16_t runs[]) { 361 const int16_t runs[]) {
364 SkASSERT(0 == x);
365
366 uint8_t* device = fDevice.getAddr8(x, y); 362 uint8_t* device = fDevice.getAddr8(x, y);
367 SkDEBUGCODE(int totalCount = 0;) 363 SkDEBUGCODE(int totalCount = 0;)
368 364
369 for (;;) { 365 for (;;) {
370 int count = runs[0]; 366 int count = runs[0];
371 SkASSERT(count >= 0); 367 SkASSERT(count >= 0);
372 if (count == 0) { 368 if (count == 0) {
373 return; 369 return;
374 } 370 }
375 #ifdef SK_A8_COVERAGE_BLIT_SKIP_ZEROS 371 if (antialias[0]) {
376 if (antialias[0])
377 #endif
378 {
379 memset(device, antialias[0], count); 372 memset(device, antialias[0], count);
380 } 373 }
381 runs += count; 374 runs += count;
382 antialias += count; 375 antialias += count;
383 device += count; 376 device += count;
384 377
385 SkDEBUGCODE(totalCount += count;) 378 SkDEBUGCODE(totalCount += count;)
386 } 379 }
387 SkASSERT(fDevice.width() == totalCount); 380 SkASSERT(fDevice.width() == totalCount);
388 } 381 }
389 382
390 void SkA8_Coverage_Blitter::blitH(int x, int y, int width) { 383 void SkA8_Coverage_Blitter::blitH(int x, int y, int width) {
391 memset(fDevice.getAddr8(x, y), 0xFF, width); 384 memset(fDevice.getAddr8(x, y), 0xFF, width);
392 } 385 }
393 386
394 void SkA8_Coverage_Blitter::blitV(int x, int y, int height, SkAlpha alpha) { 387 void SkA8_Coverage_Blitter::blitV(int x, int y, int height, SkAlpha alpha) {
395 #ifdef SK_A8_COVERAGE_BLIT_SKIP_ZEROS
396 if (0 == alpha) { 388 if (0 == alpha) {
397 return; 389 return;
398 } 390 }
399 #endif 391
400 uint8_t* dst = fDevice.getAddr8(x, y); 392 uint8_t* dst = fDevice.getAddr8(x, y);
401 const size_t dstRB = fDevice.rowBytes(); 393 const size_t dstRB = fDevice.rowBytes();
402 while (--height >= 0) { 394 while (--height >= 0) {
403 *dst = alpha; 395 *dst = alpha;
404 dst += dstRB; 396 dst += dstRB;
405 } 397 }
406 } 398 }
407 399
408 void SkA8_Coverage_Blitter::blitRect(int x, int y, int width, int height) { 400 void SkA8_Coverage_Blitter::blitRect(int x, int y, int width, int height) {
409 uint8_t* dst = fDevice.getAddr8(x, y); 401 uint8_t* dst = fDevice.getAddr8(x, y);
(...skipping 20 matching lines...) Expand all
430 while (--height >= 0) { 422 while (--height >= 0) {
431 memcpy(dst, src, width); 423 memcpy(dst, src, width);
432 dst += dstRB; 424 dst += dstRB;
433 src += srcRB; 425 src += srcRB;
434 } 426 }
435 } 427 }
436 428
437 const SkBitmap* SkA8_Coverage_Blitter::justAnOpaqueColor(uint32_t*) { 429 const SkBitmap* SkA8_Coverage_Blitter::justAnOpaqueColor(uint32_t*) {
438 return NULL; 430 return NULL;
439 } 431 }
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