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48825b11ad
skia2/include/private
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Brian Salomon 48825b11ad Redefine the meaning of sample counts in GPU backend. 
Old: 0  -> nonMSAA
     1+ -> MSAA

New:
     0  -> error/unsupported
     1  -> nonMSAA
     2+ -> MSAA

We still allow 0 to mean nonMSAA in three sets of public APIs for backwards compatibility:

1) SkSurface factories
2) GrBackendRenderTarget constructors
3) GrCaps::getSampleCnt()'s requestedCount parameter

However, we immediately clamp to 1 and treat 0 as invalid/non-renderable internally.

This also changes the behavior when using a large sample count. We now fail in that case rather than using the largest sample available sample count. GrCaps::getSampleCount() will return 0 in this case.


Bug: skia:
Change-Id: Ida22c6b22c1365e563c9046b611e88bf5eb3ff33
Reviewed-on: https://skia-review.googlesource.com/101560
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2018-02-01 18:16:58 +00:00
..
GrAuditTrail.h Remove trailing whitespace. 2017-10-09 21:20:34 +00:00
GrGLSL.h Switch atlas clients over to using absolute texture coordinates (take 2) 2017-08-25 15:19:27 +00:00
GrOpList.h Implement GPU/OpList DDLs 2018-02-01 15:00:53 +00:00
GrRenderTargetProxy.h Redefine the meaning of sample counts in GPU backend. 2018-02-01 18:16:58 +00:00
GrSharedEnums.h sksl enum support 2017-11-13 14:36:40 +00:00
GrSingleOwner.h Reland of Make a single GrSingleOwner in GrContext (patchset #1 id:1 of https://codereview.chromium.org/1565303003/ ) 2016-01-08 10:09:13 -08:00
GrSurfaceProxy.h Have lazy proxies keep their callbacks around and clean up their lambdas in the dtor 2018-02-01 17:24:38 +00:00
GrSurfaceProxyRef.h Implement GPU/OpList DDLs 2018-02-01 15:00:53 +00:00
GrSwizzle.h Replace SkFAIL with SK_ABORT. 2017-08-16 15:37:54 +00:00
GrTextureProxy.h Funnel most proxy creation through GrProxyProvider 2018-01-16 13:28:43 +00:00
GrTypesPriv.h Add ref counted wrapped around GrTexture ReleaseProc 2018-01-30 14:50:00 +00:00
SkAtomics.h Clean up some unused atomic routines. 2016-07-27 08:40:45 -07:00
SkBitmaskEnum.h SkPDF: SkPDFFont class changes 2016-08-16 09:36:23 -07:00
SkChecksum.h Use sse4.2 CRC32 instructions to hash when available. 2016-08-08 09:06:28 -07:00
SkDeferredDisplayList.h Implement GPU/OpList DDLs 2018-02-01 15:00:53 +00:00
SkEncodedInfo.h Reland "Hide SkEncodedInfo" 2017-12-05 19:28:08 +00:00
SkFixed.h add saturate helper for float2int64 2018-01-31 21:21:36 +00:00
SkFloatBits.h clean up useage of SkFloatBits 2017-08-07 02:49:29 +00:00
SkFloatingPoint.h add saturate helper for float2int64 2018-01-31 21:21:36 +00:00
SkLeanWindows.h SkLeanWindows.h: #include "Windows.h" fewer places 2016-06-07 17:21:10 -07:00
SkMalloc.h remove guarded old malloc code 2018-01-07 14:49:58 +00:00
SkMessageBus.h Send TextBlobCache purge messages only to owning cache. 2017-12-14 18:52:49 +00:00
SkMutex.h Teach TSAN directly about semaphore_t. 2017-09-21 17:09:40 +00:00
SkOnce.h tweak SkOnce.h header to work around issues with std::atomic::compare_exchange_strong 2016-12-16 22:21:27 +00:00
SkPathRef.h Don't deserialize pathref oval/rrect bits 2017-09-22 13:03:07 +00:00
SkSafe32.h saturate some irect ops for fuzzers 2018-01-30 21:50:30 +00:00
SkSafe_math.h Guard against buggy ucrt\math.h. 2016-11-28 15:40:23 +00:00
SkSemaphore.h Fix SkSemaphore comments. 2017-02-22 20:11:54 +00:00
SkShadowFlags.h Remove tonal color from DrawShadow internals 2018-01-19 16:32:13 +00:00
SkSpinlock.h Cache GrColorSpaceXforms 2016-10-20 20:47:33 +00:00
SkSurfaceCharacterization.h Implement GPU/OpList DDLs 2018-02-01 15:00:53 +00:00
SkTArray.h begin cleanup of malloc porting layer 2018-01-05 21:29:35 +00:00
SkTDArray.h Convert NULL and 0 to nullptr. 2017-08-28 17:48:57 +00:00
SkTemplates.h begin cleanup of malloc porting layer 2018-01-05 21:29:35 +00:00
SkTFitsIn.h Make SkTFitsIn and SkTo constexpr. 2017-10-17 22:48:51 +00:00
SkTHash.h Add mock config to tools and run through gms and benchs without crashing. 2017-07-07 20:47:38 +00:00
SkThreadID.h Unify ThreadID. 2015-09-29 14:38:01 -07:00
SkTLogic.h Compute inverse gamma table at compile time. 2017-10-18 19:43:18 +00:00
SkTSearch.h Convert NULL and 0 to nullptr. 2017-08-28 17:48:57 +00:00
SkWeakRefCnt.h Mark overridden destructors with 'override' and remove 'virtual' 2017-03-22 16:06:18 +00:00