void GrClipMaskManager::mergeMask(GrTexture* dstMask, GrTexture* srcMask, SkRegion::Op op, const GrIRect& dstBound, const GrIRect& srcBound) { GrDrawState* drawState = fGpu->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->setEffect(0, GrTextureDomainEffect::Create(srcMask, sampleM, GrTextureDomainEffect::MakeTexelDomain(srcMask, srcBound), GrTextureDomainEffect::kDecal_WrapMode, false))->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 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 GrTextContext) // && edge rendering (kEdgeEffectStage in GrContext) kPathMaskStage = GrPaint::kTotalStages, }; GrRect dstRect = GrRect::MakeLTRB( SK_Scalar1 * rect.fLeft, SK_Scalar1 * rect.fTop, SK_Scalar1 * rect.fRight, SK_Scalar1 * rect.fBottom); // We want to use device coords to compute the texture coordinates. We set our matrix to be // equal to the view matrix followed by a translation so that the top-left of the device bounds // maps to 0,0, and then a scaling matrix to normalized coords. We apply this matrix to the // vertex positions rather than local coords. SkMatrix maskMatrix; maskMatrix.setIDiv(texture->width(), texture->height()); maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop)); maskMatrix.preConcat(drawState->getViewMatrix()); GrAssert(!drawState->isStageEnabled(kPathMaskStage)); drawState->setEffect(kPathMaskStage, GrSimpleTextureEffect::Create(texture, maskMatrix, false, GrEffect::kPosition_CoordsType))->unref(); target->drawSimpleRect(dstRect); drawState->disableStage(kPathMaskStage); }
void GrClipMaskManager::drawTexture(GrTexture* target, GrTexture* texture) { GrDrawState* drawState = fGpu->drawState(); GrAssert(NULL != drawState); // no AA here since it is encoded in the texture drawState->setRenderTarget(target->asRenderTarget()); GrMatrix sampleM; sampleM.setIDiv(texture->width(), texture->height()); drawState->sampler(0)->reset(sampleM); drawState->createTextureEffect(0, texture); GrRect rect = GrRect::MakeWH(SkIntToScalar(target->width()), SkIntToScalar(target->height())); fGpu->drawSimpleRect(rect, NULL); drawState->disableStage(0); }