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Side by Side Diff: src/gpu/GrSWMaskHelper.cpp

Issue 544233002: "NULL !=" = NULL (Closed) Base URL: https://skia.googlesource.com/skia.git@are
Patch Set: rebase Created 6 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "GrSWMaskHelper.h" 8 #include "GrSWMaskHelper.h"
9 9
10 #include "GrDrawState.h" 10 #include "GrDrawState.h"
(...skipping 124 matching lines...) Expand 10 before | Expand all | Expand 10 after
135 paint.setStrokeJoin(stroke.getJoin()); 135 paint.setStrokeJoin(stroke.getJoin());
136 paint.setStrokeCap(stroke.getCap()); 136 paint.setStrokeCap(stroke.getCap());
137 paint.setStrokeWidth(stroke.getWidth()); 137 paint.setStrokeWidth(stroke.getWidth());
138 } 138 }
139 } 139 }
140 paint.setAntiAlias(antiAlias); 140 paint.setAntiAlias(antiAlias);
141 141
142 SkTBlitterAllocator allocator; 142 SkTBlitterAllocator allocator;
143 SkBlitter* blitter = NULL; 143 SkBlitter* blitter = NULL;
144 if (kBlitter_CompressionMode == fCompressionMode) { 144 if (kBlitter_CompressionMode == fCompressionMode) {
145 SkASSERT(NULL != fCompressedBuffer.get()); 145 SkASSERT(fCompressedBuffer.get());
146 blitter = SkTextureCompressor::CreateBlitterForFormat( 146 blitter = SkTextureCompressor::CreateBlitterForFormat(
147 fBM.width(), fBM.height(), fCompressedBuffer.get(), &allocator, fCom pressedFormat); 147 fBM.width(), fBM.height(), fCompressedBuffer.get(), &allocator, fCom pressedFormat);
148 } 148 }
149 149
150 if (SkRegion::kReplace_Op == op && 0xFF == alpha) { 150 if (SkRegion::kReplace_Op == op && 0xFF == alpha) {
151 SkASSERT(0xFF == paint.getAlpha()); 151 SkASSERT(0xFF == paint.getAlpha());
152 fDraw.drawPathCoverage(path, paint, blitter); 152 fDraw.drawPathCoverage(path, paint, blitter);
153 } else { 153 } else {
154 paint.setXfermodeMode(op_to_mode(op)); 154 paint.setXfermodeMode(op_to_mode(op));
155 paint.setColor(SkColorSetARGB(alpha, alpha, alpha, alpha)); 155 paint.setColor(SkColorSetARGB(alpha, alpha, alpha, alpha));
156 fDraw.drawPath(path, paint, blitter); 156 fDraw.drawPath(path, paint, blitter);
157 } 157 }
158 } 158 }
159 159
160 bool GrSWMaskHelper::init(const SkIRect& resultBounds, 160 bool GrSWMaskHelper::init(const SkIRect& resultBounds,
161 const SkMatrix* matrix, 161 const SkMatrix* matrix,
162 bool allowCompression) { 162 bool allowCompression) {
163 if (NULL != matrix) { 163 if (matrix) {
164 fMatrix = *matrix; 164 fMatrix = *matrix;
165 } else { 165 } else {
166 fMatrix.setIdentity(); 166 fMatrix.setIdentity();
167 } 167 }
168 168
169 // Now translate so the bound's UL corner is at the origin 169 // Now translate so the bound's UL corner is at the origin
170 fMatrix.postTranslate(-resultBounds.fLeft * SK_Scalar1, 170 fMatrix.postTranslate(-resultBounds.fLeft * SK_Scalar1,
171 -resultBounds.fTop * SK_Scalar1); 171 -resultBounds.fTop * SK_Scalar1);
172 SkIRect bounds = SkIRect::MakeWH(resultBounds.width(), 172 SkIRect bounds = SkIRect::MakeWH(resultBounds.width(),
173 resultBounds.height()); 173 resultBounds.height());
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242 SkTextureCompressor::GetBlockDimensions(fCompressedFormat, &dimX, &dimY) ; 242 SkTextureCompressor::GetBlockDimensions(fCompressedFormat, &dimX, &dimY) ;
243 SkASSERT((desc.fWidth % dimX) == 0); 243 SkASSERT((desc.fWidth % dimX) == 0);
244 SkASSERT((desc.fHeight % dimY) == 0); 244 SkASSERT((desc.fHeight % dimY) == 0);
245 #endif 245 #endif
246 246
247 desc.fConfig = fmt_to_config(fCompressedFormat); 247 desc.fConfig = fmt_to_config(fCompressedFormat);
248 SkASSERT(fContext->getGpu()->caps()->isConfigTexturable(desc.fConfig)); 248 SkASSERT(fContext->getGpu()->caps()->isConfigTexturable(desc.fConfig));
249 } 249 }
250 250
251 texture->set(fContext, desc); 251 texture->set(fContext, desc);
252 return NULL != texture->texture(); 252 return SkToBool(texture->texture());
253 } 253 }
254 254
255 void GrSWMaskHelper::sendTextureData(GrTexture *texture, const GrTextureDesc& de sc, 255 void GrSWMaskHelper::sendTextureData(GrTexture *texture, const GrTextureDesc& de sc,
256 const void *data, int rowbytes) { 256 const void *data, int rowbytes) {
257 // If we aren't reusing scratch textures we don't need to flush before 257 // If we aren't reusing scratch textures we don't need to flush before
258 // writing since no one else will be using 'texture' 258 // writing since no one else will be using 'texture'
259 bool reuseScratch = fContext->getGpu()->caps()->reuseScratchTextures(); 259 bool reuseScratch = fContext->getGpu()->caps()->reuseScratchTextures();
260 260
261 // Since we're uploading to it, and it's compressed, 'texture' shouldn't 261 // Since we're uploading to it, and it's compressed, 'texture' shouldn't
262 // have a render target. 262 // have a render target.
263 SkASSERT(NULL == texture->asRenderTarget()); 263 SkASSERT(NULL == texture->asRenderTarget());
264 264
265 texture->writePixels(0, 0, desc.fWidth, desc.fHeight, 265 texture->writePixels(0, 0, desc.fWidth, desc.fHeight,
266 desc.fConfig, data, rowbytes, 266 desc.fConfig, data, rowbytes,
267 reuseScratch ? 0 : GrContext::kDontFlush_PixelOpsFlag); 267 reuseScratch ? 0 : GrContext::kDontFlush_PixelOpsFlag);
268 } 268 }
269 269
270 void GrSWMaskHelper::compressTextureData(GrTexture *texture, const GrTextureDesc & desc) { 270 void GrSWMaskHelper::compressTextureData(GrTexture *texture, const GrTextureDesc & desc) {
271 271
272 SkASSERT(GrPixelConfigIsCompressed(desc.fConfig)); 272 SkASSERT(GrPixelConfigIsCompressed(desc.fConfig));
273 SkASSERT(fmt_to_config(fCompressedFormat) == desc.fConfig); 273 SkASSERT(fmt_to_config(fCompressedFormat) == desc.fConfig);
274 274
275 SkAutoDataUnref cmpData(SkTextureCompressor::CompressBitmapToFormat(fBM, fCo mpressedFormat)); 275 SkAutoDataUnref cmpData(SkTextureCompressor::CompressBitmapToFormat(fBM, fCo mpressedFormat));
276 SkASSERT(NULL != cmpData); 276 SkASSERT(cmpData);
277 277
278 this->sendTextureData(texture, desc, cmpData->data(), 0); 278 this->sendTextureData(texture, desc, cmpData->data(), 0);
279 } 279 }
280 280
281 /** 281 /**
282 * Move the result of the software mask generation back to the gpu 282 * Move the result of the software mask generation back to the gpu
283 */ 283 */
284 void GrSWMaskHelper::toTexture(GrTexture *texture) { 284 void GrSWMaskHelper::toTexture(GrTexture *texture) {
285 SkAutoLockPixels alp(fBM); 285 SkAutoLockPixels alp(fBM);
286 286
287 GrTextureDesc desc; 287 GrTextureDesc desc;
288 desc.fWidth = fBM.width(); 288 desc.fWidth = fBM.width();
289 desc.fHeight = fBM.height(); 289 desc.fHeight = fBM.height();
290 desc.fConfig = texture->config(); 290 desc.fConfig = texture->config();
291 291
292 // First see if we should compress this texture before uploading. 292 // First see if we should compress this texture before uploading.
293 switch (fCompressionMode) { 293 switch (fCompressionMode) {
294 case kNone_CompressionMode: 294 case kNone_CompressionMode:
295 this->sendTextureData(texture, desc, fBM.getPixels(), fBM.rowBytes() ); 295 this->sendTextureData(texture, desc, fBM.getPixels(), fBM.rowBytes() );
296 break; 296 break;
297 297
298 case kCompress_CompressionMode: 298 case kCompress_CompressionMode:
299 this->compressTextureData(texture, desc); 299 this->compressTextureData(texture, desc);
300 break; 300 break;
301 301
302 case kBlitter_CompressionMode: 302 case kBlitter_CompressionMode:
303 SkASSERT(NULL != fCompressedBuffer.get()); 303 SkASSERT(fCompressedBuffer.get());
304 this->sendTextureData(texture, desc, fCompressedBuffer.get(), 0); 304 this->sendTextureData(texture, desc, fCompressedBuffer.get(), 0);
305 break; 305 break;
306 } 306 }
307 } 307 }
308 308
309 //////////////////////////////////////////////////////////////////////////////// 309 ////////////////////////////////////////////////////////////////////////////////
310 /** 310 /**
311 * Software rasterizes path to A8 mask (possibly using the context's matrix) 311 * Software rasterizes path to A8 mask (possibly using the context's matrix)
312 * and uploads the result to a scratch texture. Returns the resulting 312 * and uploads the result to a scratch texture. Returns the resulting
313 * texture on success; NULL on failure. 313 * texture on success; NULL on failure.
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362 maskMatrix.preConcat(drawState->getViewMatrix()); 362 maskMatrix.preConcat(drawState->getViewMatrix());
363 363
364 drawState->addCoverageEffect( 364 drawState->addCoverageEffect(
365 GrSimpleTextureEffect::Create(texture, 365 GrSimpleTextureEffect::Create(texture,
366 maskMatrix, 366 maskMatrix,
367 GrTextureParams::kNone_Fi lterMode, 367 GrTextureParams::kNone_Fi lterMode,
368 kPosition_GrCoordSet))->u nref(); 368 kPosition_GrCoordSet))->u nref();
369 369
370 target->drawSimpleRect(dstRect); 370 target->drawSimpleRect(dstRect);
371 } 371 }
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