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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 "GrPipelineBuilder.h" | 10 #include "GrPipelineBuilder.h" |
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63 // Best guess | 63 // Best guess |
64 config = kAlpha_8_GrPixelConfig; | 64 config = kAlpha_8_GrPixelConfig; |
65 break; | 65 break; |
66 } | 66 } |
67 | 67 |
68 return config; | 68 return config; |
69 } | 69 } |
70 | 70 |
71 static bool choose_compressed_fmt(const GrCaps* caps, | 71 static bool choose_compressed_fmt(const GrCaps* caps, |
72 SkTextureCompressor::Format *fmt) { | 72 SkTextureCompressor::Format *fmt) { |
73 if (NULL == fmt) { | 73 if (nullptr == fmt) { |
74 return false; | 74 return false; |
75 } | 75 } |
76 | 76 |
77 // We can't use scratch textures without the ability to update | 77 // We can't use scratch textures without the ability to update |
78 // compressed textures... | 78 // compressed textures... |
79 if (!(caps->compressedTexSubImageSupport())) { | 79 if (!(caps->compressedTexSubImageSupport())) { |
80 return false; | 80 return false; |
81 } | 81 } |
82 | 82 |
83 // Figure out what our preferred texture type is. If ASTC is available, that
always | 83 // Figure out what our preferred texture type is. If ASTC is available, that
always |
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135 } else { | 135 } else { |
136 paint.setStyle(SkPaint::kStroke_Style); | 136 paint.setStyle(SkPaint::kStroke_Style); |
137 paint.setStrokeJoin(stroke.getJoin()); | 137 paint.setStrokeJoin(stroke.getJoin()); |
138 paint.setStrokeCap(stroke.getCap()); | 138 paint.setStrokeCap(stroke.getCap()); |
139 paint.setStrokeWidth(stroke.getWidth()); | 139 paint.setStrokeWidth(stroke.getWidth()); |
140 } | 140 } |
141 } | 141 } |
142 paint.setAntiAlias(antiAlias); | 142 paint.setAntiAlias(antiAlias); |
143 | 143 |
144 SkTBlitterAllocator allocator; | 144 SkTBlitterAllocator allocator; |
145 SkBlitter* blitter = NULL; | 145 SkBlitter* blitter = nullptr; |
146 if (kBlitter_CompressionMode == fCompressionMode) { | 146 if (kBlitter_CompressionMode == fCompressionMode) { |
147 SkASSERT(fCompressedBuffer.get()); | 147 SkASSERT(fCompressedBuffer.get()); |
148 blitter = SkTextureCompressor::CreateBlitterForFormat( | 148 blitter = SkTextureCompressor::CreateBlitterForFormat( |
149 fPixels.width(), fPixels.height(), fCompressedBuffer.get(), &allocat
or, | 149 fPixels.width(), fPixels.height(), fCompressedBuffer.get(), &allocat
or, |
150 fCompressedFormat)
; | 150 fCompressedFormat)
; |
151 } | 151 } |
152 | 152 |
153 if (SkRegion::kReplace_Op == op && 0xFF == alpha) { | 153 if (SkRegion::kReplace_Op == op && 0xFF == alpha) { |
154 SkASSERT(0xFF == paint.getAlpha()); | 154 SkASSERT(0xFF == paint.getAlpha()); |
155 fDraw.drawPathCoverage(path, paint, blitter); | 155 fDraw.drawPathCoverage(path, paint, blitter); |
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190 SkTextureCompressor::GetBlockDimensions(fCompressedFormat, &dimX, &dimY)
; | 190 SkTextureCompressor::GetBlockDimensions(fCompressedFormat, &dimX, &dimY)
; |
191 cmpWidth = dimX * ((cmpWidth + (dimX - 1)) / dimX); | 191 cmpWidth = dimX * ((cmpWidth + (dimX - 1)) / dimX); |
192 cmpHeight = dimY * ((cmpHeight + (dimY - 1)) / dimY); | 192 cmpHeight = dimY * ((cmpHeight + (dimY - 1)) / dimY); |
193 | 193 |
194 // Can we create a blitter? | 194 // Can we create a blitter? |
195 if (SkTextureCompressor::ExistsBlitterForFormat(fCompressedFormat)) { | 195 if (SkTextureCompressor::ExistsBlitterForFormat(fCompressedFormat)) { |
196 int cmpSz = SkTextureCompressor::GetCompressedDataSize( | 196 int cmpSz = SkTextureCompressor::GetCompressedDataSize( |
197 fCompressedFormat, cmpWidth, cmpHeight); | 197 fCompressedFormat, cmpWidth, cmpHeight); |
198 | 198 |
199 SkASSERT(cmpSz > 0); | 199 SkASSERT(cmpSz > 0); |
200 SkASSERT(NULL == fCompressedBuffer.get()); | 200 SkASSERT(nullptr == fCompressedBuffer.get()); |
201 fCompressedBuffer.reset(cmpSz); | 201 fCompressedBuffer.reset(cmpSz); |
202 fCompressionMode = kBlitter_CompressionMode; | 202 fCompressionMode = kBlitter_CompressionMode; |
203 } | 203 } |
204 } | 204 } |
205 | 205 |
206 sk_bzero(&fDraw, sizeof(fDraw)); | 206 sk_bzero(&fDraw, sizeof(fDraw)); |
207 | 207 |
208 // If we don't have a custom blitter, then we either need a bitmap to compre
ss | 208 // If we don't have a custom blitter, then we either need a bitmap to compre
ss |
209 // from or a bitmap that we're going to use as a texture. In any case, we sh
ould | 209 // from or a bitmap that we're going to use as a texture. In any case, we sh
ould |
210 // allocate the pixels for a bitmap | 210 // allocate the pixels for a bitmap |
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252 } | 252 } |
253 | 253 |
254 void GrSWMaskHelper::sendTextureData(GrTexture *texture, const GrSurfaceDesc& de
sc, | 254 void GrSWMaskHelper::sendTextureData(GrTexture *texture, const GrSurfaceDesc& de
sc, |
255 const void *data, size_t rowbytes) { | 255 const void *data, size_t rowbytes) { |
256 // If we aren't reusing scratch textures we don't need to flush before | 256 // If we aren't reusing scratch textures we don't need to flush before |
257 // writing since no one else will be using 'texture' | 257 // writing since no one else will be using 'texture' |
258 bool reuseScratch = fContext->caps()->reuseScratchTextures(); | 258 bool reuseScratch = fContext->caps()->reuseScratchTextures(); |
259 | 259 |
260 // Since we're uploading to it, and it's compressed, 'texture' shouldn't | 260 // Since we're uploading to it, and it's compressed, 'texture' shouldn't |
261 // have a render target. | 261 // have a render target. |
262 SkASSERT(NULL == texture->asRenderTarget()); | 262 SkASSERT(nullptr == texture->asRenderTarget()); |
263 | 263 |
264 texture->writePixels(0, 0, desc.fWidth, desc.fHeight, | 264 texture->writePixels(0, 0, desc.fWidth, desc.fHeight, |
265 desc.fConfig, data, rowbytes, | 265 desc.fConfig, data, rowbytes, |
266 reuseScratch ? 0 : GrContext::kDontFlush_PixelOpsFlag); | 266 reuseScratch ? 0 : GrContext::kDontFlush_PixelOpsFlag); |
267 } | 267 } |
268 | 268 |
269 void GrSWMaskHelper::compressTextureData(GrTexture *texture, const GrSurfaceDesc
& desc) { | 269 void GrSWMaskHelper::compressTextureData(GrTexture *texture, const GrSurfaceDesc
& desc) { |
270 | 270 |
271 SkASSERT(GrPixelConfigIsCompressed(desc.fConfig)); | 271 SkASSERT(GrPixelConfigIsCompressed(desc.fConfig)); |
272 SkASSERT(fmt_to_config(fCompressedFormat) == desc.fConfig); | 272 SkASSERT(fmt_to_config(fCompressedFormat) == desc.fConfig); |
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309 */ | 309 */ |
310 void GrSWMaskHelper::toSDF(unsigned char* sdf) { | 310 void GrSWMaskHelper::toSDF(unsigned char* sdf) { |
311 SkGenerateDistanceFieldFromA8Image(sdf, (const unsigned char*)fPixels.addr()
, | 311 SkGenerateDistanceFieldFromA8Image(sdf, (const unsigned char*)fPixels.addr()
, |
312 fPixels.width(), fPixels.height(), fPixel
s.rowBytes()); | 312 fPixels.width(), fPixels.height(), fPixel
s.rowBytes()); |
313 } | 313 } |
314 | 314 |
315 //////////////////////////////////////////////////////////////////////////////// | 315 //////////////////////////////////////////////////////////////////////////////// |
316 /** | 316 /** |
317 * Software rasterizes path to A8 mask (possibly using the context's matrix) | 317 * Software rasterizes path to A8 mask (possibly using the context's matrix) |
318 * and uploads the result to a scratch texture. Returns the resulting | 318 * and uploads the result to a scratch texture. Returns the resulting |
319 * texture on success; NULL on failure. | 319 * texture on success; nullptr on failure. |
320 */ | 320 */ |
321 GrTexture* GrSWMaskHelper::DrawPathMaskToTexture(GrContext* context, | 321 GrTexture* GrSWMaskHelper::DrawPathMaskToTexture(GrContext* context, |
322 const SkPath& path, | 322 const SkPath& path, |
323 const SkStrokeRec& stroke, | 323 const SkStrokeRec& stroke, |
324 const SkIRect& resultBounds, | 324 const SkIRect& resultBounds, |
325 bool antiAlias, | 325 bool antiAlias, |
326 const SkMatrix* matrix) { | 326 const SkMatrix* matrix) { |
327 GrSWMaskHelper helper(context); | 327 GrSWMaskHelper helper(context); |
328 | 328 |
329 if (!helper.init(resultBounds, matrix)) { | 329 if (!helper.init(resultBounds, matrix)) { |
330 return NULL; | 330 return nullptr; |
331 } | 331 } |
332 | 332 |
333 helper.draw(path, stroke, SkRegion::kReplace_Op, antiAlias, 0xFF); | 333 helper.draw(path, stroke, SkRegion::kReplace_Op, antiAlias, 0xFF); |
334 | 334 |
335 GrTexture* texture(helper.createTexture()); | 335 GrTexture* texture(helper.createTexture()); |
336 if (!texture) { | 336 if (!texture) { |
337 return NULL; | 337 return nullptr; |
338 } | 338 } |
339 | 339 |
340 helper.toTexture(texture); | 340 helper.toTexture(texture); |
341 | 341 |
342 return texture; | 342 return texture; |
343 } | 343 } |
344 | 344 |
345 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, | 345 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, |
346 GrDrawTarget* target, | 346 GrDrawTarget* target, |
347 GrPipelineBuilder* pipelineBuilder
, | 347 GrPipelineBuilder* pipelineBuilder
, |
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368 | 368 |
369 pipelineBuilder->addCoverageFragmentProcessor( | 369 pipelineBuilder->addCoverageFragmentProcessor( |
370 GrSimpleTextureEffect::Create(pipelineBuilder->getProce
ssorDataManager(), | 370 GrSimpleTextureEffect::Create(pipelineBuilder->getProce
ssorDataManager(), |
371 texture, | 371 texture, |
372 maskMatrix, | 372 maskMatrix, |
373 GrTextureParams::kNone_Fi
lterMode, | 373 GrTextureParams::kNone_Fi
lterMode, |
374 kDevice_GrCoordSet))->unr
ef(); | 374 kDevice_GrCoordSet))->unr
ef(); |
375 | 375 |
376 target->drawNonAARect(*pipelineBuilder, color, SkMatrix::I(), dstRect, inver
t); | 376 target->drawNonAARect(*pipelineBuilder, color, SkMatrix::I(), dstRect, inver
t); |
377 } | 377 } |
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