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Side by Side Diff: src/gpu/GrXferProcessor.cpp

Issue 1068463004: Set willReadFragmentPosition on XP when doing a DstCopy. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 8 months ago
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1 /* 1 /*
2 * Copyright 2015 Google Inc. 2 * Copyright 2015 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 "GrXferProcessor.h" 8 #include "GrXferProcessor.h"
9 #include "gl/GrGLCaps.h" 9 #include "gl/GrGLCaps.h"
10 10
11 GrXferProcessor::GrXferProcessor() : fWillReadDstColor(false), fDstCopyTextureOf fset() { 11 GrXferProcessor::GrXferProcessor() : fWillReadDstColor(false), fDstCopyTextureOf fset() {
12 } 12 }
13 13
14 GrXferProcessor::GrXferProcessor(const GrDeviceCoordTexture* dstCopy, bool willR eadDstColor) 14 GrXferProcessor::GrXferProcessor(const GrDeviceCoordTexture* dstCopy, bool willR eadDstColor)
15 : fWillReadDstColor(willReadDstColor) 15 : fWillReadDstColor(willReadDstColor)
16 , fDstCopyTextureOffset() { 16 , fDstCopyTextureOffset() {
17 if (dstCopy && dstCopy->texture()) { 17 if (dstCopy && dstCopy->texture()) {
18 fDstCopy.reset(dstCopy->texture()); 18 fDstCopy.reset(dstCopy->texture());
19 fDstCopyTextureOffset = dstCopy->offset(); 19 fDstCopyTextureOffset = dstCopy->offset();
20 this->addTextureAccess(&fDstCopy); 20 this->addTextureAccess(&fDstCopy);
robertphillips 2015/04/07 14:12:58 So we always read the frag position?
egdaniel 2015/04/07 14:18:11 if we have made an actual dstCopy then we will alw
bsalomon 2015/04/07 14:18:40 If we're reading a dst copy, we use the fragment p
21 this->setWillReadFragmentPosition();
21 } 22 }
22 } 23 }
23 24
24 void GrXferProcessor::getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuil der* b) const { 25 void GrXferProcessor::getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuil der* b) const {
25 uint32_t key = this->willReadDstColor() ? 0x1 : 0x0; 26 uint32_t key = this->willReadDstColor() ? 0x1 : 0x0;
26 if (this->getDstCopyTexture() && 27 if (this->getDstCopyTexture() &&
27 kTopLeft_GrSurfaceOrigin == this->getDstCopyTexture()->origin()) { 28 kTopLeft_GrSurfaceOrigin == this->getDstCopyTexture()->origin()) {
28 key |= 0x2; 29 key |= 0x2;
29 } 30 }
30 b->add32(key); 31 b->add32(key);
(...skipping 18 matching lines...) Expand all
49 } 50 }
50 #endif 51 #endif
51 return this->onCreateXferProcessor(caps, colorPOI, coveragePOI, dstCopy); 52 return this->onCreateXferProcessor(caps, colorPOI, coveragePOI, dstCopy);
52 } 53 }
53 54
54 bool GrXPFactory::willNeedDstCopy(const GrDrawTargetCaps& caps, const GrProcOptI nfo& colorPOI, 55 bool GrXPFactory::willNeedDstCopy(const GrDrawTargetCaps& caps, const GrProcOptI nfo& colorPOI,
55 const GrProcOptInfo& coveragePOI) const { 56 const GrProcOptInfo& coveragePOI) const {
56 return (this->willReadDstColor(caps, colorPOI, coveragePOI) && !caps.dstRead InShaderSupport()); 57 return (this->willReadDstColor(caps, colorPOI, coveragePOI) && !caps.dstRead InShaderSupport());
57 } 58 }
58 59
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