void GrClipMaskManager::mergeMask(GrTexture* dstMask, GrTexture* srcMask, SkRegion::Op op, const GrIRect& dstBound, const GrIRect& srcBound) { GrDrawState* drawState = fGpu->drawState(); GrAssert(NULL != drawState); SkMatrix oldMatrix = drawState->getViewMatrix(); drawState->viewMatrix()->reset(); drawState->setRenderTarget(dstMask->asRenderTarget()); setup_boolean_blendcoeffs(drawState, op); SkMatrix sampleM; sampleM.setIDiv(srcMask->width(), srcMask->height()); drawState->stage(0)->setEffect( GrTextureDomainEffect::Create(srcMask, sampleM, GrTextureDomainEffect::MakeTexelDomain(srcMask, srcBound), GrTextureDomainEffect::kDecal_WrapMode))->unref(); fGpu->drawSimpleRect(SkRect::MakeFromIRect(dstBound), NULL); drawState->disableStage(0); drawState->setViewMatrix(oldMatrix); }
void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, GrDrawTarget* target, const GrIRect& rect) { GrDrawState* drawState = target->drawState(); GrDrawState::AutoDeviceCoordDraw adcd(drawState); if (!adcd.succeeded()) { return; } enum { // the SW path renderer shares this stage with glyph // rendering (kGlyphMaskStage in GrBatchedTextContext) kPathMaskStage = GrPaint::kTotalStages, }; GrAssert(!drawState->isStageEnabled(kPathMaskStage)); drawState->stage(kPathMaskStage)->reset(); drawState->createTextureEffect(kPathMaskStage, texture); SkScalar w = SkIntToScalar(rect.width()); SkScalar h = SkIntToScalar(rect.height()); GrRect maskRect = GrRect::MakeWH(w / texture->width(), h / texture->height()); const GrRect* srcRects[GrDrawState::kNumStages] = { NULL }; srcRects[kPathMaskStage] = &maskRect; GrRect dstRect = GrRect::MakeLTRB( SK_Scalar1 * rect.fLeft, SK_Scalar1 * rect.fTop, SK_Scalar1 * rect.fRight, SK_Scalar1 * rect.fBottom); target->drawRect(dstRect, NULL, srcRects, NULL); drawState->disableStage(kPathMaskStage); }
void GrTextContext::flushGlyphs() { if (NULL == fDrawTarget) { return; } GrDrawState* drawState = fDrawTarget->drawState(); if (fCurrVertex > 0) { // setup our sampler state for our text texture/atlas drawState->stage(kGlyphMaskStage)->reset(); GrAssert(GrIsALIGN4(fCurrVertex)); GrAssert(fCurrTexture); GrTextureParams params(SkShader::kRepeat_TileMode, false); drawState->createTextureEffect(kGlyphMaskStage, fCurrTexture, SkMatrix::I(), params); if (!GrPixelConfigIsAlphaOnly(fCurrTexture->config())) { if (kOne_GrBlendCoeff != fPaint.getSrcBlendCoeff() || kISA_GrBlendCoeff != fPaint.getDstBlendCoeff() || fPaint.hasColorStage()) { GrPrintf("LCD Text will not draw correctly.\n"); } // setup blend so that we get mask * paintColor + (1-mask)*dstColor drawState->setBlendConstant(fPaint.getColor()); drawState->setBlendFunc(kConstC_GrBlendCoeff, kISC_GrBlendCoeff); // don't modulate by the paint's color in the frag since we're // already doing it via the blend const. drawState->setColor(0xffffffff); } else { // set back to normal in case we took LCD path previously. drawState->setBlendFunc(fPaint.getSrcBlendCoeff(), fPaint.getDstBlendCoeff()); drawState->setColor(fPaint.getColor()); } int nGlyphs = fCurrVertex / 4; fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer()); fDrawTarget->drawIndexedInstances(kTriangles_GrPrimitiveType, nGlyphs, 4, 6); fDrawTarget->resetVertexSource(); fVertices = NULL; fMaxVertices = 0; fCurrVertex = 0; GrSafeSetNull(fCurrTexture); } drawState->disableStages(); fDrawTarget = NULL; }