OLD | NEW |
---|---|
1 // Copyright 2010 The Chromium Authors. All rights reserved. | 1 // Copyright 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/gl_renderer.h" | 7 #include "cc/gl_renderer.h" |
8 | 8 |
9 #include "CCDamageTracker.h" | 9 #include "CCDamageTracker.h" |
10 #include "CCLayerQuad.h" | 10 #include "CCLayerQuad.h" |
11 #include "FloatQuad.h" | 11 #include "FloatQuad.h" |
12 #include "GrContext.h" | |
12 #include "GrTexture.h" | 13 #include "GrTexture.h" |
13 #include "NotImplemented.h" | 14 #include "NotImplemented.h" |
15 #include "SkGpuDevice.h" | |
16 #include "SkGrTexturePixelRef.h" | |
14 #include "base/debug/trace_event.h" | 17 #include "base/debug/trace_event.h" |
15 #include "base/logging.h" | 18 #include "base/logging.h" |
16 #include "base/string_split.h" | 19 #include "base/string_split.h" |
17 #include "base/string_util.h" | 20 #include "base/string_util.h" |
18 #include "cc/geometry_binding.h" | 21 #include "cc/geometry_binding.h" |
19 #include "cc/math_util.h" | 22 #include "cc/math_util.h" |
20 #include "cc/platform_color.h" | 23 #include "cc/platform_color.h" |
21 #include "cc/proxy.h" | 24 #include "cc/proxy.h" |
22 #include "cc/render_pass.h" | 25 #include "cc/render_pass.h" |
23 #include "cc/render_surface_filters.h" | 26 #include "cc/render_surface_filters.h" |
(...skipping 318 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
342 if (!filterContext || !filterGrContext) | 345 if (!filterContext || !filterGrContext) |
343 return SkBitmap(); | 346 return SkBitmap(); |
344 | 347 |
345 renderer->context()->flush(); | 348 renderer->context()->flush(); |
346 | 349 |
347 CCResourceProvider::ScopedWriteLockGL lock(renderer->resourceProvider(), sou rceTexture->id()); | 350 CCResourceProvider::ScopedWriteLockGL lock(renderer->resourceProvider(), sou rceTexture->id()); |
348 SkBitmap source = CCRenderSurfaceFilters::apply(filters, lock.textureId(), s ourceTexture->size(), filterContext, filterGrContext); | 351 SkBitmap source = CCRenderSurfaceFilters::apply(filters, lock.textureId(), s ourceTexture->size(), filterContext, filterGrContext); |
349 return source; | 352 return source; |
350 } | 353 } |
351 | 354 |
355 static SkBitmap applyImageFilter(CCRendererGL* renderer, SkImageFilter* filter, CCScopedTexture* sourceTexture) | |
356 { | |
357 if (!filter) | |
358 return SkBitmap(); | |
359 | |
360 WebGraphicsContext3D* context3d = CCProxy::hasImplThread() ? WebSharedGraphi csContext3D::compositorThreadContext() : WebSharedGraphicsContext3D::mainThreadC ontext(); | |
361 GrContext* grContext = CCProxy::hasImplThread() ? WebSharedGraphicsContext3D ::compositorThreadGrContext() : WebSharedGraphicsContext3D::mainThreadGrContext( ); | |
jamesr
2012/10/22 19:14:17
please refactor this to share code with lines 342-
Stephen White
2012/10/22 20:11:20
Done.
| |
362 | |
363 if (!context3d || !grContext) | |
364 return SkBitmap(); | |
365 | |
366 renderer->context()->flush(); | |
367 | |
368 CCResourceProvider::ScopedWriteLockGL lock(renderer->resourceProvider(), sou rceTexture->id()); | |
369 | |
370 // Wrap the source texture in a Ganesh platform texture. | |
371 GrPlatformTextureDesc platformTextureDescription; | |
372 platformTextureDescription.fWidth = sourceTexture->size().width(); | |
373 platformTextureDescription.fHeight = sourceTexture->size().height(); | |
374 platformTextureDescription.fConfig = kSkia8888_GrPixelConfig; | |
375 platformTextureDescription.fTextureHandle = lock.textureId(); | |
376 SkAutoTUnref<GrTexture> texture(grContext->createPlatformTexture(platformTex tureDescription)); | |
377 | |
378 // Place the platform texture inside an SkBitmap. | |
379 SkBitmap source; | |
380 source.setConfig(SkBitmap::kARGB_8888_Config, sourceTexture->size().width(), sourceTexture->size().height()); | |
381 source.setPixelRef(new SkGrPixelRef(texture.get()))->unref(); | |
382 | |
383 // Create a scratch texture for backing store. | |
384 GrTextureDesc desc; | |
385 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; | |
386 desc.fSampleCnt = 0; | |
387 desc.fWidth = source.width(); | |
388 desc.fHeight = source.height(); | |
389 desc.fConfig = kSkia8888_GrPixelConfig; | |
390 GrAutoScratchTexture scratchTexture(grContext, desc, GrContext::kExact_Scrat chTexMatch); | |
391 | |
392 // Create a device and canvas using that backing store. | |
393 SkGpuDevice device(grContext, scratchTexture.detach()); | |
394 SkCanvas canvas(&device); | |
395 | |
396 // Draw the source bitmap through the filter to the canvas. | |
397 SkPaint paint; | |
398 paint.setImageFilter(filter); | |
399 canvas.clear(0x0); | |
400 canvas.drawSprite(source, 0, 0, &paint); | |
401 canvas.flush(); | |
402 context3d->flush(); | |
403 return device.accessBitmap(false); | |
404 } | |
405 | |
352 scoped_ptr<CCScopedTexture> CCRendererGL::drawBackgroundFilters(DrawingFrame& fr ame, const CCRenderPassDrawQuad* quad, const WebKit::WebFilterOperations& filter s, const WebTransformationMatrix& contentsDeviceTransform) | 406 scoped_ptr<CCScopedTexture> CCRendererGL::drawBackgroundFilters(DrawingFrame& fr ame, const CCRenderPassDrawQuad* quad, const WebKit::WebFilterOperations& filter s, const WebTransformationMatrix& contentsDeviceTransform) |
353 { | 407 { |
354 // This method draws a background filter, which applies a filter to any pixe ls behind the quad and seen through its background. | 408 // This method draws a background filter, which applies a filter to any pixe ls behind the quad and seen through its background. |
355 // The algorithm works as follows: | 409 // The algorithm works as follows: |
356 // 1. Compute a bounding box around the pixels that will be visible through the quad. | 410 // 1. Compute a bounding box around the pixels that will be visible through the quad. |
357 // 2. Read the pixels in the bounding box into a buffer R. | 411 // 2. Read the pixels in the bounding box into a buffer R. |
358 // 3. Apply the background filter to R, so that it is applied in the pixels' coordinate space. | 412 // 3. Apply the background filter to R, so that it is applied in the pixels' coordinate space. |
359 // 4. Apply the quad's inverse transform to map the pixels in R into the qua d's content space. This implicitly | 413 // 4. Apply the quad's inverse transform to map the pixels in R into the qua d's content space. This implicitly |
360 // clips R by the content bounds of the quad since the destination texture h as bounds matching the quad's content. | 414 // clips R by the content bounds of the quad since the destination texture h as bounds matching the quad's content. |
361 // 5. Draw the background texture for the contents using the same transform as used to draw the contents itself. This is done | 415 // 5. Draw the background texture for the contents using the same transform as used to draw the contents itself. This is done |
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
435 WebTransformationMatrix contentsDeviceTransform = (frame.windowMatrix * fram e.projectionMatrix * quadRectMatrix).to2dTransform(); | 489 WebTransformationMatrix contentsDeviceTransform = (frame.windowMatrix * fram e.projectionMatrix * quadRectMatrix).to2dTransform(); |
436 | 490 |
437 // Can only draw surface if device matrix is invertible. | 491 // Can only draw surface if device matrix is invertible. |
438 if (!contentsDeviceTransform.isInvertible()) | 492 if (!contentsDeviceTransform.isInvertible()) |
439 return; | 493 return; |
440 | 494 |
441 scoped_ptr<CCScopedTexture> backgroundTexture = drawBackgroundFilters(frame, quad, renderPass->backgroundFilters(), contentsDeviceTransform); | 495 scoped_ptr<CCScopedTexture> backgroundTexture = drawBackgroundFilters(frame, quad, renderPass->backgroundFilters(), contentsDeviceTransform); |
442 | 496 |
443 // FIXME: Cache this value so that we don't have to do it for both the surfa ce and its replica. | 497 // FIXME: Cache this value so that we don't have to do it for both the surfa ce and its replica. |
444 // Apply filters to the contents texture. | 498 // Apply filters to the contents texture. |
445 SkBitmap filterBitmap = applyFilters(this, renderPass->filters(), contentsTe xture); | 499 SkBitmap filterBitmap; |
500 if (renderPass->filter()) { | |
501 filterBitmap = applyImageFilter(this, renderPass->filter(), contentsText ure); | |
502 } else { | |
jamesr
2012/10/22 19:14:17
same comment here re 'else'
Stephen White
2012/10/22 20:11:20
Done in setFilter()/setFilters() (see above).
| |
503 filterBitmap = applyFilters(this, renderPass->filters(), contentsTexture ); | |
504 } | |
446 scoped_ptr<CCResourceProvider::ScopedReadLockGL> contentsResourceLock; | 505 scoped_ptr<CCResourceProvider::ScopedReadLockGL> contentsResourceLock; |
447 unsigned contentsTextureId = 0; | 506 unsigned contentsTextureId = 0; |
448 if (filterBitmap.getTexture()) { | 507 if (filterBitmap.getTexture()) { |
449 GrTexture* texture = reinterpret_cast<GrTexture*>(filterBitmap.getTextur e()); | 508 GrTexture* texture = reinterpret_cast<GrTexture*>(filterBitmap.getTextur e()); |
450 contentsTextureId = texture->getTextureHandle(); | 509 contentsTextureId = texture->getTextureHandle(); |
451 } else { | 510 } else { |
452 contentsResourceLock = make_scoped_ptr(new CCResourceProvider::ScopedRea dLockGL(m_resourceProvider, contentsTexture->id())); | 511 contentsResourceLock = make_scoped_ptr(new CCResourceProvider::ScopedRea dLockGL(m_resourceProvider, contentsTexture->id())); |
453 contentsTextureId = contentsResourceLock->textureId(); | 512 contentsTextureId = contentsResourceLock->textureId(); |
454 } | 513 } |
455 | 514 |
(...skipping 1057 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
1513 | 1572 |
1514 releaseRenderPassTextures(); | 1573 releaseRenderPassTextures(); |
1515 } | 1574 } |
1516 | 1575 |
1517 bool CCRendererGL::isContextLost() | 1576 bool CCRendererGL::isContextLost() |
1518 { | 1577 { |
1519 return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR); | 1578 return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR); |
1520 } | 1579 } |
1521 | 1580 |
1522 } // namespace cc | 1581 } // namespace cc |
OLD | NEW |