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| 1 /* | 1 /* |
| 2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 "SkGr.h" | 8 #include "SkGr.h" |
| 9 #include "SkColorFilter.h" | 9 #include "SkColorFilter.h" |
| 10 #include "SkConfig8888.h" | 10 #include "SkConfig8888.h" |
| 11 #include "SkGpuDevice.h" | |
| 12 #include "SkMessageBus.h" | 11 #include "SkMessageBus.h" |
| 13 #include "SkPixelRef.h" | 12 #include "SkPixelRef.h" |
| 14 #include "GrResourceCache.h" | 13 #include "GrResourceCache.h" |
| 15 | 14 |
| 16 /* Fill out buffer with the compressed format Ganesh expects from a colortable | 15 /* Fill out buffer with the compressed format Ganesh expects from a colortable |
| 17 based bitmap. [palette (colortable) + indices]. | 16 based bitmap. [palette (colortable) + indices]. |
| 18 | 17 |
| 19 At the moment Ganesh only supports 8bit version. If Ganesh allowed we others | 18 At the moment Ganesh only supports 8bit version. If Ganesh allowed we others |
| 20 we could detect that the colortable.count is <= 16, and then repack the | 19 we could detect that the colortable.count is <= 16, and then repack the |
| 21 indices as nibbles to save RAM, but it would take more time (i.e. a lot | 20 indices as nibbles to save RAM, but it would take more time (i.e. a lot |
| (...skipping 299 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 321 return false; | 320 return false; |
| 322 } | 321 } |
| 323 if (ctOut) { | 322 if (ctOut) { |
| 324 *ctOut = ct; | 323 *ctOut = ct; |
| 325 } | 324 } |
| 326 return true; | 325 return true; |
| 327 } | 326 } |
| 328 | 327 |
| 329 /////////////////////////////////////////////////////////////////////////////// | 328 /////////////////////////////////////////////////////////////////////////////// |
| 330 | 329 |
| 331 void SkPaint2GrPaintNoShader(SkGpuDevice* dev, const SkPaint& skPaint, bool just
Alpha, | 330 void SkPaint2GrPaintNoShader(GrContext* context, const SkPaint& skPaint, bool ju
stAlpha, |
| 332 bool constantColor, GrPaint* grPaint) { | 331 bool constantColor, GrPaint* grPaint) { |
| 333 | 332 |
| 334 grPaint->setDither(skPaint.isDither()); | 333 grPaint->setDither(skPaint.isDither()); |
| 335 grPaint->setAntiAlias(skPaint.isAntiAlias()); | 334 grPaint->setAntiAlias(skPaint.isAntiAlias()); |
| 336 | 335 |
| 337 SkXfermode::Coeff sm; | 336 SkXfermode::Coeff sm; |
| 338 SkXfermode::Coeff dm; | 337 SkXfermode::Coeff dm; |
| 339 | 338 |
| 340 SkXfermode* mode = skPaint.getXfermode(); | 339 SkXfermode* mode = skPaint.getXfermode(); |
| 341 GrEffectRef* xferEffect = NULL; | 340 GrEffectRef* xferEffect = NULL; |
| (...skipping 22 matching lines...) Expand all Loading... |
| 364 } | 363 } |
| 365 | 364 |
| 366 SkColorFilter* colorFilter = skPaint.getColorFilter(); | 365 SkColorFilter* colorFilter = skPaint.getColorFilter(); |
| 367 if (NULL != colorFilter) { | 366 if (NULL != colorFilter) { |
| 368 // if the source color is a constant then apply the filter here once rat
her than per pixel | 367 // if the source color is a constant then apply the filter here once rat
her than per pixel |
| 369 // in a shader. | 368 // in a shader. |
| 370 if (constantColor) { | 369 if (constantColor) { |
| 371 SkColor filtered = colorFilter->filterColor(skPaint.getColor()); | 370 SkColor filtered = colorFilter->filterColor(skPaint.getColor()); |
| 372 grPaint->setColor(SkColor2GrColor(filtered)); | 371 grPaint->setColor(SkColor2GrColor(filtered)); |
| 373 } else { | 372 } else { |
| 374 SkAutoTUnref<GrEffectRef> effect(colorFilter->asNewEffect(dev->conte
xt())); | 373 SkAutoTUnref<GrEffectRef> effect(colorFilter->asNewEffect(context)); |
| 375 if (NULL != effect.get()) { | 374 if (NULL != effect.get()) { |
| 376 grPaint->addColorEffect(effect); | 375 grPaint->addColorEffect(effect); |
| 377 } | 376 } |
| 378 } | 377 } |
| 379 } | 378 } |
| 380 } | 379 } |
| 381 | 380 |
| 382 void SkPaint2GrPaintShader(SkGpuDevice* dev, const SkPaint& skPaint, | 381 void SkPaint2GrPaintShader(GrContext* context, const SkPaint& skPaint, |
| 383 bool constantColor, GrPaint* grPaint) { | 382 bool constantColor, GrPaint* grPaint) { |
| 384 SkShader* shader = skPaint.getShader(); | 383 SkShader* shader = skPaint.getShader(); |
| 385 if (NULL == shader) { | 384 if (NULL == shader) { |
| 386 SkPaint2GrPaintNoShader(dev, skPaint, false, constantColor, grPaint); | 385 SkPaint2GrPaintNoShader(context, skPaint, false, constantColor, grPaint)
; |
| 387 return; | 386 return; |
| 388 } | 387 } |
| 389 | 388 |
| 390 // SkShader::asNewEffect() may do offscreen rendering. Setup default drawing
state and require | 389 // SkShader::asNewEffect() may do offscreen rendering. Setup default drawing
state and require |
| 391 // the shader to set a render target. | 390 // the shader to set a render target. |
| 392 GrContext::AutoWideOpenIdentityDraw awo(dev->context(), NULL); | 391 GrContext::AutoWideOpenIdentityDraw awo(context, NULL); |
| 393 | 392 |
| 394 // setup the shader as the first color effect on the paint | 393 // setup the shader as the first color effect on the paint |
| 395 SkAutoTUnref<GrEffectRef> effect(shader->asNewEffect(dev->context(), skPaint
, NULL)); | 394 SkAutoTUnref<GrEffectRef> effect(shader->asNewEffect(context, skPaint, NULL)
); |
| 396 if (NULL != effect.get()) { | 395 if (NULL != effect.get()) { |
| 397 grPaint->addColorEffect(effect); | 396 grPaint->addColorEffect(effect); |
| 398 // Now setup the rest of the paint. | 397 // Now setup the rest of the paint. |
| 399 SkPaint2GrPaintNoShader(dev, skPaint, true, false, grPaint); | 398 SkPaint2GrPaintNoShader(context, skPaint, true, false, grPaint); |
| 400 } else { | 399 } else { |
| 401 // We still don't have SkColorShader::asNewEffect() implemented. | 400 // We still don't have SkColorShader::asNewEffect() implemented. |
| 402 SkShader::GradientInfo info; | 401 SkShader::GradientInfo info; |
| 403 SkColor color; | 402 SkColor color; |
| 404 | 403 |
| 405 info.fColors = &color; | 404 info.fColors = &color; |
| 406 info.fColorOffsets = NULL; | 405 info.fColorOffsets = NULL; |
| 407 info.fColorCount = 1; | 406 info.fColorCount = 1; |
| 408 if (SkShader::kColor_GradientType == shader->asAGradient(&info)) { | 407 if (SkShader::kColor_GradientType == shader->asAGradient(&info)) { |
| 409 SkPaint copy(skPaint); | 408 SkPaint copy(skPaint); |
| 410 copy.setShader(NULL); | 409 copy.setShader(NULL); |
| 411 // modulate the paint alpha by the shader's solid color alpha | 410 // modulate the paint alpha by the shader's solid color alpha |
| 412 U8CPU newA = SkMulDiv255Round(SkColorGetA(color), copy.getAlpha()); | 411 U8CPU newA = SkMulDiv255Round(SkColorGetA(color), copy.getAlpha()); |
| 413 copy.setColor(SkColorSetA(color, newA)); | 412 copy.setColor(SkColorSetA(color, newA)); |
| 414 SkPaint2GrPaintNoShader(dev, copy, false, constantColor, grPaint); | 413 SkPaint2GrPaintNoShader(context, copy, false, constantColor, grPaint
); |
| 415 } else { | 414 } else { |
| 416 SkPaint2GrPaintNoShader(dev, skPaint, false, constantColor, grPaint)
; | 415 SkPaint2GrPaintNoShader(context, skPaint, false, constantColor, grPa
int); |
| 417 } | 416 } |
| 418 } | 417 } |
| 419 } | 418 } |
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