Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(259)

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

Issue 38573007: Do not apply hairline optimization for paths if nv_path_rendering is used (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: address problems Created 7 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/gpu/GrDrawState.h ('k') | src/gpu/GrDrawTarget.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 "GrDrawState.h" 8 #include "GrDrawState.h"
9 #include "GrPaint.h" 9 #include "GrPaint.h"
10 10
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
47 // These have no equivalent in GrPaint, set them to defaults 47 // These have no equivalent in GrPaint, set them to defaults
48 fCommon.fBlendConstant = 0x0; 48 fCommon.fBlendConstant = 0x0;
49 fCommon.fDrawFace = kBoth_DrawFace; 49 fCommon.fDrawFace = kBoth_DrawFace;
50 fCommon.fStencilSettings.setDisabled(); 50 fCommon.fStencilSettings.setDisabled();
51 this->resetStateFlags(); 51 this->resetStateFlags();
52 52
53 // Enable the clip bit 53 // Enable the clip bit
54 this->enableState(GrDrawState::kClip_StateBit); 54 this->enableState(GrDrawState::kClip_StateBit);
55 55
56 this->setColor(paint.getColor()); 56 this->setColor(paint.getColor());
57 this->setCoverage4(paint.getCoverage());
58 this->setState(GrDrawState::kDither_StateBit, paint.isDither()); 57 this->setState(GrDrawState::kDither_StateBit, paint.isDither());
59 this->setState(GrDrawState::kHWAntialias_StateBit, paint.isAntiAlias()); 58 this->setState(GrDrawState::kHWAntialias_StateBit, paint.isAntiAlias());
60 59
61 this->setBlendFunc(paint.getSrcBlendCoeff(), paint.getDstBlendCoeff()); 60 this->setBlendFunc(paint.getSrcBlendCoeff(), paint.getDstBlendCoeff());
62 this->setCoverage(paint.getCoverage()); 61 this->setCoverage(paint.getCoverage());
63 } 62 }
64 63
65 //////////////////////////////////////////////////////////////////////////////// 64 ////////////////////////////////////////////////////////////////////////////////
66 65
67 static size_t vertex_size(const GrVertexAttrib* attribs, int count) { 66 static size_t vertex_size(const GrVertexAttrib* attribs, int count) {
(...skipping 145 matching lines...) Expand 10 before | Expand all | Expand 10 after
213 } 212 }
214 213
215 // Run through the color stages 214 // Run through the color stages
216 for (int s = 0; s < fColorStages.count(); ++s) { 215 for (int s = 0; s < fColorStages.count(); ++s) {
217 const GrEffectRef* effect = fColorStages[s].getEffect(); 216 const GrEffectRef* effect = fColorStages[s].getEffect();
218 (*effect)->getConstantColorComponents(&color, &validComponentFlags); 217 (*effect)->getConstantColorComponents(&color, &validComponentFlags);
219 } 218 }
220 219
221 // Check whether coverage is treated as color. If so we run through the cove rage computation. 220 // Check whether coverage is treated as color. If so we run through the cove rage computation.
222 if (this->isCoverageDrawing()) { 221 if (this->isCoverageDrawing()) {
223 GrColor coverageColor = this->getCoverage(); 222 GrColor coverageColor = this->getCoverageColor();
224 GrColor oldColor = color; 223 GrColor oldColor = color;
225 color = 0; 224 color = 0;
226 for (int c = 0; c < 4; ++c) { 225 for (int c = 0; c < 4; ++c) {
227 if (validComponentFlags & (1 << c)) { 226 if (validComponentFlags & (1 << c)) {
228 U8CPU a = (oldColor >> (c * 8)) & 0xff; 227 U8CPU a = (oldColor >> (c * 8)) & 0xff;
229 U8CPU b = (coverageColor >> (c * 8)) & 0xff; 228 U8CPU b = (coverageColor >> (c * 8)) & 0xff;
230 color |= (SkMulDiv255Round(a, b) << (c * 8)); 229 color |= (SkMulDiv255Round(a, b) << (c * 8));
231 } 230 }
232 } 231 }
233 for (int s = 0; s < fCoverageStages.count(); ++s) { 232 for (int s = 0; s < fCoverageStages.count(); ++s) {
(...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after
305 } 304 }
306 305
307 bool srcAIsOne = this->srcAlphaWillBeOne(); 306 bool srcAIsOne = this->srcAlphaWillBeOne();
308 bool dstCoeffIsOne = kOne_GrBlendCoeff == *dstCoeff || 307 bool dstCoeffIsOne = kOne_GrBlendCoeff == *dstCoeff ||
309 (kSA_GrBlendCoeff == *dstCoeff && srcAIsOne); 308 (kSA_GrBlendCoeff == *dstCoeff && srcAIsOne);
310 bool dstCoeffIsZero = kZero_GrBlendCoeff == *dstCoeff || 309 bool dstCoeffIsZero = kZero_GrBlendCoeff == *dstCoeff ||
311 (kISA_GrBlendCoeff == *dstCoeff && srcAIsOne); 310 (kISA_GrBlendCoeff == *dstCoeff && srcAIsOne);
312 311
313 bool covIsZero = !this->isCoverageDrawing() && 312 bool covIsZero = !this->isCoverageDrawing() &&
314 !this->hasCoverageVertexAttribute() && 313 !this->hasCoverageVertexAttribute() &&
315 0 == this->getCoverage(); 314 0 == this->getCoverageColor();
316 // When coeffs are (0,1) there is no reason to draw at all, unless 315 // When coeffs are (0,1) there is no reason to draw at all, unless
317 // stenciling is enabled. Having color writes disabled is effectively 316 // stenciling is enabled. Having color writes disabled is effectively
318 // (0,1). The same applies when coverage is known to be 0. 317 // (0,1). The same applies when coverage is known to be 0.
319 if ((kZero_GrBlendCoeff == *srcCoeff && dstCoeffIsOne) || covIsZero) { 318 if ((kZero_GrBlendCoeff == *srcCoeff && dstCoeffIsOne) || covIsZero) {
320 if (this->getStencil().doesWrite()) { 319 if (this->getStencil().doesWrite()) {
321 return kDisableBlend_BlendOptFlag | 320 return kDisableBlend_BlendOptFlag |
322 kEmitCoverage_BlendOptFlag; 321 kEmitCoverage_BlendOptFlag;
323 } else { 322 } else {
324 return kSkipDraw_BlendOptFlag; 323 return kSkipDraw_BlendOptFlag;
325 } 324 }
326 } 325 }
327 326
328 // check for coverage due to constant coverage, per-vertex coverage, or cove rage stage 327 // check for coverage due to constant coverage, per-vertex coverage, or cove rage stage
329 bool hasCoverage = forceCoverage || 328 bool hasCoverage = forceCoverage ||
330 0xffffffff != this->getCoverage() || 329 0xffffffff != this->getCoverageColor() ||
331 this->hasCoverageVertexAttribute() || 330 this->hasCoverageVertexAttribute() ||
332 fCoverageStages.count() > 0; 331 fCoverageStages.count() > 0;
333 332
334 // if we don't have coverage we can check whether the dst 333 // if we don't have coverage we can check whether the dst
335 // has to read at all. If not, we'll disable blending. 334 // has to read at all. If not, we'll disable blending.
336 if (!hasCoverage) { 335 if (!hasCoverage) {
337 if (dstCoeffIsZero) { 336 if (dstCoeffIsZero) {
338 if (kOne_GrBlendCoeff == *srcCoeff) { 337 if (kOne_GrBlendCoeff == *srcCoeff) {
339 // if there is no coverage and coeffs are (1,0) then we 338 // if there is no coverage and coeffs are (1,0) then we
340 // won't need to read the dst at all, it gets replaced by src 339 // won't need to read the dst at all, it gets replaced by src
(...skipping 126 matching lines...) Expand 10 before | Expand all | Expand 10 after
467 fDrawState->fColorStages[s].saveCoordChange(&fSavedCoordChanges[i]); 466 fDrawState->fColorStages[s].saveCoordChange(&fSavedCoordChanges[i]);
468 fDrawState->fColorStages[s].localCoordChange(coordChangeMatrix); 467 fDrawState->fColorStages[s].localCoordChange(coordChangeMatrix);
469 } 468 }
470 469
471 int numCoverageStages = fDrawState->numCoverageStages(); 470 int numCoverageStages = fDrawState->numCoverageStages();
472 for (int s = 0; s < numCoverageStages; ++s, ++i) { 471 for (int s = 0; s < numCoverageStages; ++s, ++i) {
473 fDrawState->fCoverageStages[s].saveCoordChange(&fSavedCoordChanges[i]); 472 fDrawState->fCoverageStages[s].saveCoordChange(&fSavedCoordChanges[i]);
474 fDrawState->fCoverageStages[s].localCoordChange(coordChangeMatrix); 473 fDrawState->fCoverageStages[s].localCoordChange(coordChangeMatrix);
475 } 474 }
476 } 475 }
OLDNEW
« no previous file with comments | « src/gpu/GrDrawState.h ('k') | src/gpu/GrDrawTarget.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698