180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/* 380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru * Copyright 2006 The Android Open Source Project 480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru * 580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru * Use of this source code is governed by a BSD-style license that can be 680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru * found in the LICENSE file. 780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru */ 880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 1080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkBlitter.h" 1180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkAntiRun.h" 1280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkColor.h" 1380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkColorFilter.h" 1480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkFilterShader.h" 1580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkFlattenableBuffers.h" 1680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkMask.h" 1780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkMaskFilter.h" 1880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkTemplatesPriv.h" 1980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkTLazy.h" 2080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkUtils.h" 2180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkXfermode.h" 22d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger#include "SkString.h" 2380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 2480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste QueruSkBlitter::~SkBlitter() {} 2580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 26363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenbergerbool SkBlitter::isNullBlitter() const { return false; } 27363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger 2880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruconst SkBitmap* SkBlitter::justAnOpaqueColor(uint32_t* value) { 2980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return NULL; 3080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 3180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 3280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitH(int x, int y, int width) { 3380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkDEBUGFAIL("unimplemented"); 3480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 3580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 3680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitAntiH(int x, int y, const SkAlpha antialias[], 3780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const int16_t runs[]) { 3880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkDEBUGFAIL("unimplemented"); 3980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 4080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 4180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitV(int x, int y, int height, SkAlpha alpha) { 4280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (alpha == 255) { 4380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitRect(x, y, 1, height); 4480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 4580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int16_t runs[2]; 4680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru runs[0] = 1; 4780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru runs[1] = 0; 4880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 4980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--height >= 0) { 5080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitAntiH(x, y++, &alpha, runs); 5180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 5280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 5380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 5480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 5580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitRect(int x, int y, int width, int height) { 5680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(width > 0); 5780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--height >= 0) { 5880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitH(x, y++, width); 5980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 6080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 6180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 6280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/// Default implementation doesn't check for any easy optimizations 6380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/// such as alpha == 0 or 255; also uses blitV(), which some subclasses 6480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/// may not support. 6580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitAntiRect(int x, int y, int width, int height, 6680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlpha leftAlpha, SkAlpha rightAlpha) { 6780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitV(x++, y, height, leftAlpha); 6880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (width > 0) { 6980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitRect(x, y, width, height); 7080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru x += width; 7180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 7280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitV(x, y, height, rightAlpha); 7380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 7480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 7580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru////////////////////////////////////////////////////////////////////////////// 7680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 7780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic inline void bits_to_runs(SkBlitter* blitter, int x, int y, 7880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const uint8_t bits[], 7980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru U8CPU left_mask, int rowBytes, 8080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru U8CPU right_mask) { 8180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int inFill = 0; 8280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int pos = 0; 8380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 8480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--rowBytes >= 0) { 8580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned b = *bits++ & left_mask; 8680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (rowBytes == 0) { 8780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru b &= right_mask; 8880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 8980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 9080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru for (unsigned test = 0x80; test != 0; test >>= 1) { 9180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (b & test) { 9280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (!inFill) { 9380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru pos = x; 9480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru inFill = true; 9580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 9680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 9780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (inFill) { 9880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter->blitH(pos, y, x - pos); 9980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru inFill = false; 10080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 10180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 10280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru x += 1; 10380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 10480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru left_mask = 0xFF; 10580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 10680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 10780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // final cleanup 10880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (inFill) { 10980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter->blitH(pos, y, x - pos); 11080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 11180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 11280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 11380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitMask(const SkMask& mask, const SkIRect& clip) { 11480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(mask.fBounds.contains(clip)); 11580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 11680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (mask.fFormat == SkMask::kBW_Format) { 11780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int cx = clip.fLeft; 11880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int cy = clip.fTop; 11980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int maskLeft = mask.fBounds.fLeft; 12080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int mask_rowBytes = mask.fRowBytes; 12180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int height = clip.height(); 12280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 12380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const uint8_t* bits = mask.getAddr1(cx, cy); 12480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 12580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (cx == maskLeft && clip.fRight == mask.fBounds.fRight) { 12680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--height >= 0) { 12780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bits_to_runs(this, cx, cy, bits, 0xFF, mask_rowBytes, 0xFF); 12880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bits += mask_rowBytes; 12980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru cy += 1; 13080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 13180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 13280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int left_edge = cx - maskLeft; 13380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(left_edge >= 0); 13480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int rite_edge = clip.fRight - maskLeft; 13580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(rite_edge > left_edge); 13680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 13780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int left_mask = 0xFF >> (left_edge & 7); 13880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int rite_mask = 0xFF << (8 - (rite_edge & 7)); 13980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int full_runs = (rite_edge >> 3) - ((left_edge + 7) >> 3); 14080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 14180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // check for empty right mask, so we don't read off the end (or go slower than we need to) 14280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (rite_mask == 0) { 14380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(full_runs >= 0); 14480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru full_runs -= 1; 14580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru rite_mask = 0xFF; 14680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 14780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (left_mask == 0xFF) { 14880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru full_runs -= 1; 14980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 15080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 15180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // back up manually so we can keep in sync with our byte-aligned src 15280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // have cx reflect our actual starting x-coord 15380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru cx -= left_edge & 7; 15480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 15580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (full_runs < 0) { 15680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT((left_mask & rite_mask) != 0); 15780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--height >= 0) { 15880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bits_to_runs(this, cx, cy, bits, left_mask, 1, rite_mask); 15980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bits += mask_rowBytes; 16080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru cy += 1; 16180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 16280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 16380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--height >= 0) { 16480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bits_to_runs(this, cx, cy, bits, left_mask, full_runs + 2, rite_mask); 16580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bits += mask_rowBytes; 16680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru cy += 1; 16780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 16880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 16980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 17080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 17180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int width = clip.width(); 17280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAutoSTMalloc<64, int16_t> runStorage(width + 1); 17380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int16_t* runs = runStorage.get(); 17480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const uint8_t* aa = mask.getAddr8(clip.fLeft, clip.fTop); 17580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 17680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru sk_memset16((uint16_t*)runs, 1, width); 17780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru runs[width] = 0; 17880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 17980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int height = clip.height(); 18080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int y = clip.fTop; 18180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (--height >= 0) { 18280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitAntiH(clip.fLeft, y, aa, runs); 18380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru aa += mask.fRowBytes; 18480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru y += 1; 18580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 18680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 18780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 18880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 18980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////// these guys are not virtual, just a helpers 19080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 19180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitMaskRegion(const SkMask& mask, const SkRegion& clip) { 19280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (clip.quickReject(mask.fBounds)) { 19380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return; 19480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 19580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 19680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Cliperator clipper(clip, mask.fBounds); 19780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 19880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!clipper.done()) { 19980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& cr = clipper.rect(); 20080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitMask(mask, cr); 20180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru clipper.next(); 20280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 20380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 20480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 20580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitRectRegion(const SkIRect& rect, const SkRegion& clip) { 20680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Cliperator clipper(clip, rect); 20780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 20880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!clipper.done()) { 20980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& cr = clipper.rect(); 21080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitRect(cr.fLeft, cr.fTop, cr.width(), cr.height()); 21180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru clipper.next(); 21280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 21380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 21480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 21580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkBlitter::blitRegion(const SkRegion& clip) { 21680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Iterator iter(clip); 21780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 21880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!iter.done()) { 21980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& cr = iter.rect(); 22080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->blitRect(cr.fLeft, cr.fTop, cr.width(), cr.height()); 22180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru iter.next(); 22280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 22380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 22480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 22580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 22680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 22780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkNullBlitter::blitH(int x, int y, int width) {} 22880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 22980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkNullBlitter::blitAntiH(int x, int y, const SkAlpha antialias[], 23080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const int16_t runs[]) {} 23180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 23280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkNullBlitter::blitV(int x, int y, int height, SkAlpha alpha) {} 23380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 23480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkNullBlitter::blitRect(int x, int y, int width, int height) {} 23580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 23680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkNullBlitter::blitMask(const SkMask& mask, const SkIRect& clip) {} 23780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 23880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruconst SkBitmap* SkNullBlitter::justAnOpaqueColor(uint32_t* value) { 23980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return NULL; 24080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 24180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 242363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenbergerbool SkNullBlitter::isNullBlitter() const { return true; } 243363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger 24480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 24580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 24680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic int compute_anti_width(const int16_t runs[]) { 24780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int width = 0; 24880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 24980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru for (;;) { 25080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int count = runs[0]; 25180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 25280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(count >= 0); 25380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (count == 0) { 25480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 25580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 25680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru width += count; 25780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru runs += count; 25880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 25980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return width; 26080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 26180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 26280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic inline bool y_in_rect(int y, const SkIRect& rect) { 26380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return (unsigned)(y - rect.fTop) < (unsigned)rect.height(); 26480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 26580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 26680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic inline bool x_in_rect(int x, const SkIRect& rect) { 26780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return (unsigned)(x - rect.fLeft) < (unsigned)rect.width(); 26880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 26980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 27080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRectClipBlitter::blitH(int left, int y, int width) { 27180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(width > 0); 27280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 27380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (!y_in_rect(y, fClipRect)) { 27480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return; 27580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 27680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 27780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int right = left + width; 27880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 27980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (left < fClipRect.fLeft) { 28080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru left = fClipRect.fLeft; 28180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 28280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (right > fClipRect.fRight) { 28380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru right = fClipRect.fRight; 28480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 28580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 28680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru width = right - left; 28780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (width > 0) { 28880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitH(left, y, width); 28980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 29080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 29180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 29280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRectClipBlitter::blitAntiH(int left, int y, const SkAlpha aa[], 29380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const int16_t runs[]) { 29480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (!y_in_rect(y, fClipRect) || left >= fClipRect.fRight) { 29580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return; 29680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 29780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 29880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int x0 = left; 29980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int x1 = left + compute_anti_width(runs); 30080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 30180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (x1 <= fClipRect.fLeft) { 30280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return; 30380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 30480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 30580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(x0 < x1); 30680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (x0 < fClipRect.fLeft) { 30780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int dx = fClipRect.fLeft - x0; 30880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlphaRuns::BreakAt((int16_t*)runs, (uint8_t*)aa, dx); 30980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru runs += dx; 31080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru aa += dx; 31180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru x0 = fClipRect.fLeft; 31280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 31380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 31480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(x0 < x1 && runs[x1 - x0] == 0); 31580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (x1 > fClipRect.fRight) { 31680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru x1 = fClipRect.fRight; 31780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlphaRuns::BreakAt((int16_t*)runs, (uint8_t*)aa, x1 - x0); 31880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((int16_t*)runs)[x1 - x0] = 0; 31980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 32080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 32180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(x0 < x1 && runs[x1 - x0] == 0); 32280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(compute_anti_width(runs) == x1 - x0); 32380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 32480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitAntiH(x0, y, aa, runs); 32580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 32680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 32780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRectClipBlitter::blitV(int x, int y, int height, SkAlpha alpha) { 32880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(height > 0); 32980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 33080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (!x_in_rect(x, fClipRect)) { 33180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return; 33280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 33380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 33480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int y0 = y; 33580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int y1 = y + height; 33680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 33780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (y0 < fClipRect.fTop) { 33880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru y0 = fClipRect.fTop; 33980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 34080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (y1 > fClipRect.fBottom) { 34180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru y1 = fClipRect.fBottom; 34280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 34380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 34480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (y0 < y1) { 34580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitV(x, y0, y1 - y0, alpha); 34680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 34780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 34880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 34980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRectClipBlitter::blitRect(int left, int y, int width, int height) { 35080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkIRect r; 35180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 35280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru r.set(left, y, left + width, y + height); 35380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.intersect(fClipRect)) { 35480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitRect(r.fLeft, r.fTop, r.width(), r.height()); 35580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 35680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 35780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 35880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRectClipBlitter::blitAntiRect(int left, int y, int width, int height, 35980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlpha leftAlpha, SkAlpha rightAlpha) { 36080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkIRect r; 36180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 36280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // The *true* width of the rectangle blitted is width+2: 36380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru r.set(left, y, left + width + 2, y + height); 36480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.intersect(fClipRect)) { 36580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.fLeft != left) { 36680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(r.fLeft > left); 36780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru leftAlpha = 255; 36880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 36980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.fRight != left + width + 2) { 37080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(r.fRight < left + width + 2); 37180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru rightAlpha = 255; 37280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 37380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (255 == leftAlpha && 255 == rightAlpha) { 37480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitRect(r.fLeft, r.fTop, r.width(), r.height()); 37580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else if (1 == r.width()) { 37680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.fLeft == left) { 37780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitV(r.fLeft, r.fTop, r.height(), leftAlpha); 37880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 37980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(r.fLeft == left + width + 1); 38080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitV(r.fLeft, r.fTop, r.height(), rightAlpha); 38180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 38280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 38380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitAntiRect(r.fLeft, r.fTop, r.width() - 2, r.height(), 38480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru leftAlpha, rightAlpha); 38580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 38680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 38780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 38880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 38980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRectClipBlitter::blitMask(const SkMask& mask, const SkIRect& clip) { 39080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(mask.fBounds.contains(clip)); 39180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 39280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkIRect r = clip; 39380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 39480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.intersect(fClipRect)) { 39580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitMask(mask, r); 39680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 39780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 39880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 39980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruconst SkBitmap* SkRectClipBlitter::justAnOpaqueColor(uint32_t* value) { 40080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return fBlitter->justAnOpaqueColor(value); 40180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 40280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 40380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 40480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 40580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRgnClipBlitter::blitH(int x, int y, int width) { 40680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Spanerator span(*fRgn, y, x, x + width); 40780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int left, right; 40880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 40980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (span.next(&left, &right)) { 41080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(left < right); 41180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitH(left, y, right - left); 41280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 41380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 41480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 41580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRgnClipBlitter::blitAntiH(int x, int y, const SkAlpha aa[], 41680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const int16_t runs[]) { 41780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int width = compute_anti_width(runs); 41880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Spanerator span(*fRgn, y, x, x + width); 41980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int left, right; 42080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkDEBUGCODE(const SkIRect& bounds = fRgn->getBounds();) 42180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 42280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int prevRite = x; 42380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (span.next(&left, &right)) { 42480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(x <= left); 42580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(left < right); 42680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(left >= bounds.fLeft && right <= bounds.fRight); 42780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 42880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlphaRuns::Break((int16_t*)runs, (uint8_t*)aa, left - x, right - left); 42980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 43080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // now zero before left 43180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (left > prevRite) { 43280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int index = prevRite - x; 43380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((uint8_t*)aa)[index] = 0; // skip runs after right 43480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((int16_t*)runs)[index] = SkToS16(left - prevRite); 43580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 43680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 43780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru prevRite = right; 43880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 43980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 44080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (prevRite > x) { 44180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((int16_t*)runs)[prevRite - x] = 0; 44280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 44380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (x < 0) { 44480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru int skip = runs[0]; 44580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(skip >= -x); 44680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru aa += skip; 44780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru runs += skip; 44880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru x += skip; 44980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 45080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitAntiH(x, y, aa, runs); 45180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 45280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 45380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 45480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRgnClipBlitter::blitV(int x, int y, int height, SkAlpha alpha) { 45580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkIRect bounds; 45680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bounds.set(x, y, x + 1, y + height); 45780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 45880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Cliperator iter(*fRgn, bounds); 45980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 46080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!iter.done()) { 46180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& r = iter.rect(); 46280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(bounds.contains(r)); 46380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 46480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitV(x, r.fTop, r.height(), alpha); 46580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru iter.next(); 46680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 46780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 46880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 46980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRgnClipBlitter::blitRect(int x, int y, int width, int height) { 47080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkIRect bounds; 47180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bounds.set(x, y, x + width, y + height); 47280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 47380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Cliperator iter(*fRgn, bounds); 47480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 47580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!iter.done()) { 47680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& r = iter.rect(); 47780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(bounds.contains(r)); 47880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 47980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitRect(r.fLeft, r.fTop, r.width(), r.height()); 48080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru iter.next(); 48180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 48280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 48380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 48480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRgnClipBlitter::blitAntiRect(int x, int y, int width, int height, 48580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlpha leftAlpha, SkAlpha rightAlpha) { 48680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // The *true* width of the rectangle to blit is width + 2 48780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkIRect bounds; 48880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru bounds.set(x, y, x + width + 2, y + height); 48980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 49080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Cliperator iter(*fRgn, bounds); 49180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 49280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!iter.done()) { 49380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& r = iter.rect(); 49480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(bounds.contains(r)); 49580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(r.fLeft >= x); 49680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(r.fRight <= x + width + 2); 49780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 49880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlpha effectiveLeftAlpha = (r.fLeft == x) ? leftAlpha : 255; 49980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAlpha effectiveRightAlpha = (r.fRight == x + width + 2) ? 50080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru rightAlpha : 255; 50180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 50280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (255 == effectiveLeftAlpha && 255 == effectiveRightAlpha) { 50380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitRect(r.fLeft, r.fTop, r.width(), r.height()); 50480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else if (1 == r.width()) { 50580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (r.fLeft == x) { 50680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitV(r.fLeft, r.fTop, r.height(), 50780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru effectiveLeftAlpha); 50880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 50980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(r.fLeft == x + width + 1); 51080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitV(r.fLeft, r.fTop, r.height(), 51180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru effectiveRightAlpha); 51280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 51380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 51480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fBlitter->blitAntiRect(r.fLeft, r.fTop, r.width() - 2, r.height(), 51580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru effectiveLeftAlpha, effectiveRightAlpha); 51680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 51780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru iter.next(); 51880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 51980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 52080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 52180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 52280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruvoid SkRgnClipBlitter::blitMask(const SkMask& mask, const SkIRect& clip) { 52380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(mask.fBounds.contains(clip)); 52480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 52580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkRegion::Cliperator iter(*fRgn, clip); 52680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& r = iter.rect(); 52780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkBlitter* blitter = fBlitter; 52880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 52980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru while (!iter.done()) { 53080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter->blitMask(mask, r); 53180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru iter.next(); 53280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 53380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 53480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 53580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruconst SkBitmap* SkRgnClipBlitter::justAnOpaqueColor(uint32_t* value) { 53680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return fBlitter->justAnOpaqueColor(value); 53780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 53880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 53980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 54080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 54180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste QueruSkBlitter* SkBlitterClipper::apply(SkBlitter* blitter, const SkRegion* clip, 54280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect* ir) { 54380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (clip) { 54480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkIRect& clipR = clip->getBounds(); 54580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 54680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (clip->isEmpty() || (ir && !SkIRect::Intersects(clipR, *ir))) { 54780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter = &fNullBlitter; 54880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else if (clip->isRect()) { 54980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (ir == NULL || !clipR.contains(*ir)) { 55080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fRectBlitter.init(blitter, clipR); 55180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter = &fRectBlitter; 55280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 55380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 55480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fRgnBlitter.init(blitter, clip); 55580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter = &fRgnBlitter; 55680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 55780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 55880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return blitter; 55980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 56080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 56180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 56280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 56380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkColorShader.h" 56480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkColorPriv.h" 56580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 56680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruclass Sk3DShader : public SkShader { 56780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querupublic: 56880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru Sk3DShader(SkShader* proxy) : fProxy(proxy) { 56980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkSafeRef(proxy); 57080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fMask = NULL; 57180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 57280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 57380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual ~Sk3DShader() { 57480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkSafeUnref(fProxy); 57580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 57680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 57780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void setMask(const SkMask* mask) { fMask = mask; } 57880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 57980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual bool setContext(const SkBitmap& device, const SkPaint& paint, 580363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger const SkMatrix& matrix) SK_OVERRIDE { 581363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger if (!this->INHERITED::setContext(device, paint, matrix)) { 582363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger return false; 583363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger } 58480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (fProxy) { 585363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger if (!fProxy->setContext(device, paint, matrix)) { 586363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger // must keep our set/end context calls balanced 587363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger this->INHERITED::endContext(); 588363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger return false; 589363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger } 59080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 59180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fPMColor = SkPreMultiplyColor(paint.getColor()); 59280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 593363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger return true; 594363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger } 595363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger 596363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger virtual void endContext() SK_OVERRIDE { 597363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger if (fProxy) { 598363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger fProxy->endContext(); 599363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger } 600363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger this->INHERITED::endContext(); 60180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 60280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 603363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger virtual void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVERRIDE { 60480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (fProxy) { 60580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->shadeSpan(x, y, span, count); 60680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 60780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 60880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (fMask == NULL) { 60980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (fProxy == NULL) { 61080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru sk_memset32(span, fPMColor, count); 61180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 61280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return; 61380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 61480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 61580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(fMask->fBounds.contains(x, y)); 61680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(fMask->fBounds.contains(x + count - 1, y)); 61780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 61880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru size_t size = fMask->computeImageSize(); 61980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const uint8_t* alpha = fMask->getAddr8(x, y); 62080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const uint8_t* mulp = alpha + size; 62180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const uint8_t* addp = mulp + size; 62280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 62380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (fProxy) { 62480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru for (int i = 0; i < count; i++) { 62580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (alpha[i]) { 62680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkPMColor c = span[i]; 62780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (c) { 62880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned a = SkGetPackedA32(c); 62980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned r = SkGetPackedR32(c); 63080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned g = SkGetPackedG32(c); 63180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned b = SkGetPackedB32(c); 63280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 63380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned mul = SkAlpha255To256(mulp[i]); 63480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned add = addp[i]; 63580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 63680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru r = SkFastMin32(SkAlphaMul(r, mul) + add, a); 63780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru g = SkFastMin32(SkAlphaMul(g, mul) + add, a); 63880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru b = SkFastMin32(SkAlphaMul(b, mul) + add, a); 63980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 64080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru span[i] = SkPackARGB32(a, r, g, b); 64180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 64280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 64380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru span[i] = 0; 64480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 64580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 64680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { // color 64780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned a = SkGetPackedA32(fPMColor); 64880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned r = SkGetPackedR32(fPMColor); 64980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned g = SkGetPackedG32(fPMColor); 65080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned b = SkGetPackedB32(fPMColor); 65180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru for (int i = 0; i < count; i++) { 65280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (alpha[i]) { 65380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned mul = SkAlpha255To256(mulp[i]); 65480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru unsigned add = addp[i]; 65580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 65680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru span[i] = SkPackARGB32( a, 65780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkFastMin32(SkAlphaMul(r, mul) + add, a), 65880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkFastMin32(SkAlphaMul(g, mul) + add, a), 65980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkFastMin32(SkAlphaMul(b, mul) + add, a)); 66080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 66180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru span[i] = 0; 66280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 66380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 66480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 66580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 66680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 667d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger#ifdef SK_DEVELOPER 668d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger virtual void toString(SkString* str) const SK_OVERRIDE { 669d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger str->append("Sk3DShader: ("); 670d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger 671d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger if (NULL != fProxy) { 672d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger str->append("Proxy: "); 673d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger fProxy->toString(str); 674d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger } 675d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger 676d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger this->INHERITED::toString(str); 677d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger 678d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger str->append(")"); 679d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger } 680d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger#endif 681d686ac77c2c485c4a3302eda9c1de597a6f8c568Derek Sollenberger 68280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Sk3DShader) 68380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 68480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruprotected: 68580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru Sk3DShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) { 68680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy = buffer.readFlattenableT<SkShader>(); 68780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fPMColor = buffer.readColor(); 68880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fMask = NULL; 68980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 69080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 69180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual void flatten(SkFlattenableWriteBuffer& buffer) const SK_OVERRIDE { 69280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru this->INHERITED::flatten(buffer); 69380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru buffer.writeFlattenable(fProxy); 69480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru buffer.writeColor(fPMColor); 69580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 69680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 69780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruprivate: 69880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkShader* fProxy; 69980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkPMColor fPMColor; 70080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkMask* fMask; 70180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 70280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru typedef SkShader INHERITED; 70380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru}; 70480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 70580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruclass Sk3DBlitter : public SkBlitter { 70680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querupublic: 70780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru Sk3DBlitter(SkBlitter* proxy, Sk3DShader* shader, void (*killProc)(void*)) 70880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru : fProxy(proxy), f3DShader(shader), fKillProc(killProc) { 70980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru shader->ref(); 71080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 71180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 71280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual ~Sk3DBlitter() { 71380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru f3DShader->unref(); 71480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fKillProc(fProxy); 71580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 71680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 71780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual void blitH(int x, int y, int width) { 71880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->blitH(x, y, width); 71980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 72080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 72180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual void blitAntiH(int x, int y, const SkAlpha antialias[], 72280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const int16_t runs[]) { 72380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->blitAntiH(x, y, antialias, runs); 72480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 72580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 72680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual void blitV(int x, int y, int height, SkAlpha alpha) { 72780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->blitV(x, y, height, alpha); 72880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 72980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 73080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual void blitRect(int x, int y, int width, int height) { 73180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->blitRect(x, y, width, height); 73280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 73380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 73480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru virtual void blitMask(const SkMask& mask, const SkIRect& clip) { 73580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (mask.fFormat == SkMask::k3D_Format) { 73680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru f3DShader->setMask(&mask); 73780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 73880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((SkMask*)&mask)->fFormat = SkMask::kA8_Format; 73980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->blitMask(mask, clip); 74080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((SkMask*)&mask)->fFormat = SkMask::k3D_Format; 74180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 74280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru f3DShader->setMask(NULL); 74380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 74480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProxy->blitMask(mask, clip); 74580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 74680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 74780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 74880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruprivate: 74980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkBlitter* fProxy; 75080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru Sk3DShader* f3DShader; 75180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void (*fKillProc)(void*); 75280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru}; 75380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 75480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 75580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 75680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru#include "SkCoreBlitters.h" 75780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 75880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruclass SkAutoCallProc { 75980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querupublic: 76080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru typedef void (*Proc)(void*); 76180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 76280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAutoCallProc(void* obj, Proc proc) 76380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru : fObj(obj), fProc(proc) {} 76480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 76580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ~SkAutoCallProc() { 76680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (fObj && fProc) { 76780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fProc(fObj); 76880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 76980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 77080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 77180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void* get() const { return fObj; } 77280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 77380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void* detach() { 77480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void* obj = fObj; 77580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fObj = NULL; 77680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return obj; 77780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 77880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 77980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruprivate: 78080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void* fObj; 78180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru Proc fProc; 78280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru}; 78380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 78480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic void destroy_blitter(void* blitter) { 78580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru ((SkBlitter*)blitter)->~SkBlitter(); 78680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 78780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 78880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic void delete_blitter(void* blitter) { 78980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkDELETE((SkBlitter*)blitter); 79080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 79180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 79280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic bool just_solid_color(const SkPaint& paint) { 79380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (paint.getAlpha() == 0xFF && paint.getColorFilter() == NULL) { 79480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkShader* shader = paint.getShader(); 79580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (NULL == shader || 79680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru (shader->getFlags() & SkShader::kOpaqueAlpha_Flag)) { 79780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return true; 79880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 79980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 80080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return false; 80180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 80280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 80380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/** By analyzing the paint (with an xfermode), we may decide we can take 80480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru special action. This enum lists our possible actions 80580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru */ 80680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruenum XferInterp { 80780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru kNormal_XferInterp, // no special interpretation, draw normally 80880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru kSrcOver_XferInterp, // draw as if in srcover mode 80980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru kSkipDrawing_XferInterp // draw nothing 81080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru}; 81180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 81280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Querustatic XferInterp interpret_xfermode(const SkPaint& paint, SkXfermode* xfer, 81380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkBitmap::Config deviceConfig) { 81480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkXfermode::Mode mode; 81580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 81680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (SkXfermode::AsMode(xfer, &mode)) { 81780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru switch (mode) { 81880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkXfermode::kSrc_Mode: 81980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (just_solid_color(paint)) { 82080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kSrcOver_XferInterp; 82180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 82280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 82380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkXfermode::kDst_Mode: 82480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kSkipDrawing_XferInterp; 82580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkXfermode::kSrcOver_Mode: 82680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kSrcOver_XferInterp; 82780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkXfermode::kDstOver_Mode: 82880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (SkBitmap::kRGB_565_Config == deviceConfig) { 82980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kSkipDrawing_XferInterp; 83080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 83180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 83280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkXfermode::kSrcIn_Mode: 83380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (SkBitmap::kRGB_565_Config == deviceConfig && 83480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru just_solid_color(paint)) { 83580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kSrcOver_XferInterp; 83680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 83780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 83880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkXfermode::kDstIn_Mode: 83980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (just_solid_color(paint)) { 84080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kSkipDrawing_XferInterp; 84180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 84280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 84380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru default: 84480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 84580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 84680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 84780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return kNormal_XferInterp; 84880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 84980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 85080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste QueruSkBlitter* SkBlitter::Choose(const SkBitmap& device, 85180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkMatrix& matrix, 85280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru const SkPaint& origPaint, 85380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void* storage, size_t storageSize) { 85480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(storageSize == 0 || storage != NULL); 85580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 85680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkBlitter* blitter = NULL; 85780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 85880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // which check, in case we're being called by a client with a dummy device 85980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // (e.g. they have a bounder that always aborts the draw) 86080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (SkBitmap::kNo_Config == device.getConfig()) { 86180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW(blitter, SkNullBlitter, storage, storageSize); 86280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return blitter; 86380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 86480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 86580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkShader* shader = origPaint.getShader(); 86680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkColorFilter* cf = origPaint.getColorFilter(); 86780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkXfermode* mode = origPaint.getXfermode(); 86880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru Sk3DShader* shader3D = NULL; 86980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 87080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 87180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 87280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (origPaint.getMaskFilter() != NULL && 87380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru origPaint.getMaskFilter()->getFormat() == SkMask::k3D_Format) { 87480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru shader3D = SkNEW_ARGS(Sk3DShader, (shader)); 87580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // we know we haven't initialized lazyPaint yet, so just do it 87680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru paint.writable()->setShader(shader3D)->unref(); 87780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru shader = shader3D; 87880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 87980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 88080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (NULL != mode) { 88180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru switch (interpret_xfermode(*paint, mode, device.config())) { 88280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case kSrcOver_XferInterp: 88380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru mode = NULL; 88480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru paint.writable()->setXfermode(NULL); 88580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 88680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case kSkipDrawing_XferInterp: 88780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW(blitter, SkNullBlitter, storage, storageSize); 88880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return blitter; 88980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru default: 89080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 89180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 89280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 89380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 894363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger /* 895363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * If the xfermode is CLEAR, then we can completely ignore the installed 896363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * color/shader/colorfilter, and just pretend we're SRC + color==0. This 897363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * will fall into our optimizations for SRC mode. 898363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger */ 899363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger if (SkXfermode::IsMode(mode, SkXfermode::kClear_Mode)) { 900363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger SkPaint* p = paint.writable(); 901363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger shader = p->setShader(NULL); 902363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger cf = p->setColorFilter(NULL); 903363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger mode = p->setXfermodeMode(SkXfermode::kSrc_Mode); 904363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger p->setColor(0); 905363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger } 906363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger 90780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (NULL == shader) { 90880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (mode) { 90980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // xfermodes (and filters) require shaders for our current blitters 91080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru shader = SkNEW(SkColorShader); 91180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru paint.writable()->setShader(shader)->unref(); 91280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else if (cf) { 91380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // if no shader && no xfermode, we just apply the colorfilter to 91480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // our color and move on. 91580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkPaint* writablePaint = paint.writable(); 91680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru writablePaint->setColor(cf->filterColor(paint->getColor())); 91780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru writablePaint->setColorFilter(NULL); 91880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru cf = NULL; 91980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 92080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 92180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 92280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (cf) { 92380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(shader); 92480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru shader = SkNEW_ARGS(SkFilterShader, (shader, cf)); 92580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru paint.writable()->setShader(shader)->unref(); 92680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // blitters should ignore the presence/absence of a filter, since 92780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru // if there is one, the shader will take care of it. 92880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 92980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 930363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger /* 931363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * We need to have balanced calls to the shader: 932363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * setContext 933363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * endContext 934363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * We make the first call here, in case it fails we can abort the draw. 935363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * The endContext() call is made by the blitter (assuming setContext did 936363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger * not fail) in its destructor. 937363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger */ 93880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (shader && !shader->setContext(device, *paint, matrix)) { 939363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger SK_PLACEMENT_NEW(blitter, SkNullBlitter, storage, storageSize); 940363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger return blitter; 94180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 94280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 94380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru switch (device.getConfig()) { 94480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkBitmap::kA1_Config: 94580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkA1_Blitter, 94680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 94780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 94880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 94980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkBitmap::kA8_Config: 95080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (shader) { 95180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkA8_Shader_Blitter, 95280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 95380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 95480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkA8_Blitter, 95580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 95680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 95780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 95880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 95980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkBitmap::kARGB_4444_Config: 96080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter = SkBlitter_ChooseD4444(device, *paint, storage, storageSize); 96180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 96280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 96380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkBitmap::kRGB_565_Config: 96480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter = SkBlitter_ChooseD565(device, *paint, storage, storageSize); 96580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 96680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 96780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru case SkBitmap::kARGB_8888_Config: 96880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (shader) { 96980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkARGB32_Shader_Blitter, 97080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 97180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else if (paint->getColor() == SK_ColorBLACK) { 97280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkARGB32_Black_Blitter, 97380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 97480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else if (paint->getAlpha() == 0xFF) { 97580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkARGB32_Opaque_Blitter, 97680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 97780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } else { 97880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW_ARGS(blitter, SkARGB32_Blitter, 97980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru storage, storageSize, (device, *paint)); 98080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 98180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 98280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 98380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru default: 98480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkDEBUGFAIL("unsupported device config"); 98580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SK_PLACEMENT_NEW(blitter, SkNullBlitter, storage, storageSize); 98680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru break; 98780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 98880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 98980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru if (shader3D) { 99080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru void (*proc)(void*) = ((void*)storage == (void*)blitter) ? destroy_blitter : delete_blitter; 99180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkAutoCallProc tmp(blitter, proc); 99280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 99380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru blitter = SkNEW_ARGS(Sk3DBlitter, (blitter, shader3D, proc)); 99480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru (void)tmp.detach(); 99580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru } 99680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru return blitter; 99780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 99880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 99980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 100080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 100180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruconst uint16_t gMask_0F0F = 0xF0F; 100280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queruconst uint32_t gMask_00FF00FF = 0xFF00FF; 100380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 100480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru/////////////////////////////////////////////////////////////////////////////// 100580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 100680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste QueruSkShaderBlitter::SkShaderBlitter(const SkBitmap& device, const SkPaint& paint) 100780bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru : INHERITED(device) { 100880bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fShader = paint.getShader(); 100980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru SkASSERT(fShader); 1010363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger SkASSERT(fShader->setContextHasBeenCalled()); 101180bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 101280bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fShader->ref(); 101380bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fShaderFlags = fShader->getFlags(); 101480bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 101580bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru 101680bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste QueruSkShaderBlitter::~SkShaderBlitter() { 1017363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger SkASSERT(fShader->setContextHasBeenCalled()); 1018363e546ed626b6dbbc42f5db87b3594bc0b5944bDerek Sollenberger fShader->endContext(); 101980bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru fShader->unref(); 102080bacfeb4bda06541e8695bd502229727bccfeaJean-Baptiste Queru} 1021