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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 212 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 223 fDraw.fClip = &fRasterClip.bwRgn(); | 223 fDraw.fClip = &fRasterClip.bwRgn(); |
| 224 fDraw.fMatrix = &fMatrix; | 224 fDraw.fMatrix = &fMatrix; |
| 225 fDraw.fBitmap = &fBM; | 225 fDraw.fBitmap = &fBM; |
| 226 return true; | 226 return true; |
| 227 } | 227 } |
| 228 | 228 |
| 229 /** | 229 /** |
| 230 * Get a texture (from the texture cache) of the correct size & format. | 230 * Get a texture (from the texture cache) of the correct size & format. |
| 231 */ | 231 */ |
| 232 GrTexture* GrSWMaskHelper::createTexture() { | 232 GrTexture* GrSWMaskHelper::createTexture() { |
| 233 GrTextureDesc desc; | 233 GrSurfaceDesc desc; |
| 234 desc.fWidth = fBM.width(); | 234 desc.fWidth = fBM.width(); |
| 235 desc.fHeight = fBM.height(); | 235 desc.fHeight = fBM.height(); |
| 236 desc.fConfig = kAlpha_8_GrPixelConfig; | 236 desc.fConfig = kAlpha_8_GrPixelConfig; |
| 237 | 237 |
| 238 if (kNone_CompressionMode != fCompressionMode) { | 238 if (kNone_CompressionMode != fCompressionMode) { |
| 239 | 239 |
| 240 #ifdef SK_DEBUG | 240 #ifdef SK_DEBUG |
| 241 int dimX, dimY; | 241 int dimX, dimY; |
| 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 return fContext->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch)
; | 251 return fContext->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch)
; |
| 252 } | 252 } |
| 253 | 253 |
| 254 void GrSWMaskHelper::sendTextureData(GrTexture *texture, const GrTextureDesc& de
sc, | 254 void GrSWMaskHelper::sendTextureData(GrTexture *texture, const GrSurfaceDesc& de
sc, |
| 255 const void *data, int rowbytes) { | 255 const void *data, int 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->getGpu()->caps()->reuseScratchTextures(); | 258 bool reuseScratch = fContext->getGpu()->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(NULL == 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 GrTextureDesc
& 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); |
| 273 | 273 |
| 274 SkAutoDataUnref cmpData(SkTextureCompressor::CompressBitmapToFormat(fBM, fCo
mpressedFormat)); | 274 SkAutoDataUnref cmpData(SkTextureCompressor::CompressBitmapToFormat(fBM, fCo
mpressedFormat)); |
| 275 SkASSERT(cmpData); | 275 SkASSERT(cmpData); |
| 276 | 276 |
| 277 this->sendTextureData(texture, desc, cmpData->data(), 0); | 277 this->sendTextureData(texture, desc, cmpData->data(), 0); |
| 278 } | 278 } |
| 279 | 279 |
| 280 /** | 280 /** |
| 281 * Move the result of the software mask generation back to the gpu | 281 * Move the result of the software mask generation back to the gpu |
| 282 */ | 282 */ |
| 283 void GrSWMaskHelper::toTexture(GrTexture *texture) { | 283 void GrSWMaskHelper::toTexture(GrTexture *texture) { |
| 284 SkAutoLockPixels alp(fBM); | 284 SkAutoLockPixels alp(fBM); |
| 285 | 285 |
| 286 GrTextureDesc desc; | 286 GrSurfaceDesc desc; |
| 287 desc.fWidth = fBM.width(); | 287 desc.fWidth = fBM.width(); |
| 288 desc.fHeight = fBM.height(); | 288 desc.fHeight = fBM.height(); |
| 289 desc.fConfig = texture->config(); | 289 desc.fConfig = texture->config(); |
| 290 | 290 |
| 291 // First see if we should compress this texture before uploading. | 291 // First see if we should compress this texture before uploading. |
| 292 switch (fCompressionMode) { | 292 switch (fCompressionMode) { |
| 293 case kNone_CompressionMode: | 293 case kNone_CompressionMode: |
| 294 this->sendTextureData(texture, desc, fBM.getPixels(), fBM.rowBytes()
); | 294 this->sendTextureData(texture, desc, fBM.getPixels(), fBM.rowBytes()
); |
| 295 break; | 295 break; |
| 296 | 296 |
| (...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 371 maskMatrix.preConcat(drawState->getViewMatrix()); | 371 maskMatrix.preConcat(drawState->getViewMatrix()); |
| 372 | 372 |
| 373 drawState->addCoverageProcessor( | 373 drawState->addCoverageProcessor( |
| 374 GrSimpleTextureEffect::Create(texture, | 374 GrSimpleTextureEffect::Create(texture, |
| 375 maskMatrix, | 375 maskMatrix, |
| 376 GrTextureParams::kNone_Fi
lterMode, | 376 GrTextureParams::kNone_Fi
lterMode, |
| 377 kPosition_GrCoordSet))->u
nref(); | 377 kPosition_GrCoordSet))->u
nref(); |
| 378 | 378 |
| 379 target->drawSimpleRect(dstRect); | 379 target->drawSimpleRect(dstRect); |
| 380 } | 380 } |
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