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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "GrContext.h" | 10 #include "GrContext.h" |
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1549 } | 1549 } |
1550 target->discard(renderTarget); | 1550 target->discard(renderTarget); |
1551 } | 1551 } |
1552 | 1552 |
1553 void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst, const SkIPoint*
topLeft) { | 1553 void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst, const SkIPoint*
topLeft) { |
1554 if (NULL == src || NULL == dst) { | 1554 if (NULL == src || NULL == dst) { |
1555 return; | 1555 return; |
1556 } | 1556 } |
1557 ASSERT_OWNED_RESOURCE(src); | 1557 ASSERT_OWNED_RESOURCE(src); |
1558 | 1558 |
1559 // Writes pending to the source texture are not tracked, so a flush | |
1560 // is required to ensure that the copy captures the most recent contents | |
1561 // of the source texture. See similar behavior in | |
1562 // GrContext::resolveRenderTarget. | |
1563 this->flush(); | |
1564 | |
1565 GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); | |
1566 GrDrawState* drawState = fGpu->drawState(); | |
1567 drawState->setRenderTarget(dst); | |
1568 SkMatrix sampleM; | |
1569 sampleM.setIDiv(src->width(), src->height()); | |
1570 SkIRect srcRect = SkIRect::MakeWH(dst->width(), dst->height()); | 1559 SkIRect srcRect = SkIRect::MakeWH(dst->width(), dst->height()); |
1571 if (NULL != topLeft) { | 1560 if (NULL != topLeft) { |
1572 srcRect.offset(*topLeft); | 1561 srcRect.offset(*topLeft); |
1573 } | 1562 } |
1574 SkIRect srcBounds = SkIRect::MakeWH(src->width(), src->height()); | 1563 SkIRect srcBounds = SkIRect::MakeWH(src->width(), src->height()); |
1575 if (!srcRect.intersect(srcBounds)) { | 1564 if (!srcRect.intersect(srcBounds)) { |
1576 return; | 1565 return; |
1577 } | 1566 } |
1578 sampleM.preTranslate(SkIntToScalar(srcRect.fLeft), SkIntToScalar(srcRect.fTo
p)); | 1567 |
1579 drawState->addColorTextureEffect(src, sampleM); | 1568 GrDrawTarget* target = this->prepareToDraw(NULL, BUFFERED_DRAW, NULL, NULL); |
1580 SkRect dstR = SkRect::MakeWH(SkIntToScalar(srcRect.width()), SkIntToScalar(s
rcRect.height())); | 1569 if (NULL == target) { |
1581 fGpu->drawSimpleRect(dstR); | 1570 return; |
| 1571 } |
| 1572 SkIPoint dstPoint; |
| 1573 dstPoint.setZero(); |
| 1574 target->copySurface(dst, src, srcRect, dstPoint); |
1582 } | 1575 } |
1583 | 1576 |
1584 bool GrContext::writeRenderTargetPixels(GrRenderTarget* target, | 1577 bool GrContext::writeRenderTargetPixels(GrRenderTarget* target, |
1585 int left, int top, int width, int height
, | 1578 int left, int top, int width, int height
, |
1586 GrPixelConfig srcConfig, | 1579 GrPixelConfig srcConfig, |
1587 const void* buffer, | 1580 const void* buffer, |
1588 size_t rowBytes, | 1581 size_t rowBytes, |
1589 uint32_t flags) { | 1582 uint32_t flags) { |
1590 ASSERT_OWNED_RESOURCE(target); | 1583 ASSERT_OWNED_RESOURCE(target); |
1591 | 1584 |
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1931 fDrawBuffer->removeGpuTraceMarker(marker); | 1924 fDrawBuffer->removeGpuTraceMarker(marker); |
1932 } | 1925 } |
1933 } | 1926 } |
1934 | 1927 |
1935 /////////////////////////////////////////////////////////////////////////////// | 1928 /////////////////////////////////////////////////////////////////////////////// |
1936 #if GR_CACHE_STATS | 1929 #if GR_CACHE_STATS |
1937 void GrContext::printCacheStats() const { | 1930 void GrContext::printCacheStats() const { |
1938 fResourceCache->printStats(); | 1931 fResourceCache->printStats(); |
1939 } | 1932 } |
1940 #endif | 1933 #endif |
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