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C++ GrDrawState::isColorWriteDisabled方法代码示例

本文整理汇总了C++中GrDrawState::isColorWriteDisabled方法的典型用法代码示例。如果您正苦于以下问题:C++ GrDrawState::isColorWriteDisabled方法的具体用法?C++ GrDrawState::isColorWriteDisabled怎么用?C++ GrDrawState::isColorWriteDisabled使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GrDrawState的用法示例。


在下文中一共展示了GrDrawState::isColorWriteDisabled方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: internalDrawPath

bool GrDefaultPathRenderer::internalDrawPath(const SkPath& path,
                                             GrPathFill fill,
                                             GrDrawTarget* target,
                                             bool stencilOnly) {

    GrMatrix viewM = target->getDrawState().getViewMatrix();
    GrScalar tol = GR_Scalar1;
    tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, path.getBounds());

    int vertexCnt;
    int indexCnt;
    GrPrimitiveType primType;
    GrDrawTarget::AutoReleaseGeometry arg;
    if (!this->createGeom(path,
                          fill,
                          tol,
                          target,
                          &primType,
                          &vertexCnt,
                          &indexCnt,
                          &arg)) {
        return false;
    }

    GrAssert(NULL != target);
    GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kPreserve_ASRInit);
    GrDrawState* drawState = target->drawState();
    bool colorWritesWereDisabled = drawState->isColorWriteDisabled();
    // face culling doesn't make sense here
    GrAssert(GrDrawState::kBoth_DrawFace == drawState->getDrawFace());

    int                         passCount = 0;
    const GrStencilSettings*    passes[3];
    GrDrawState::DrawFace       drawFace[3];
    bool                        reverse = false;
    bool                        lastPassIsBounds;

    if (kHairLine_GrPathFill == fill) {
        passCount = 1;
        if (stencilOnly) {
            passes[0] = &gDirectToStencil;
        } else {
            passes[0] = NULL;
        }
        lastPassIsBounds = false;
        drawFace[0] = GrDrawState::kBoth_DrawFace;
    } else {
        if (single_pass_path(path, fill)) {
            passCount = 1;
            if (stencilOnly) {
                passes[0] = &gDirectToStencil;
            } else {
                passes[0] = NULL;
            }
            drawFace[0] = GrDrawState::kBoth_DrawFace;
            lastPassIsBounds = false;
        } else {
            switch (fill) {
                case kInverseEvenOdd_GrPathFill:
                    reverse = true;
                    // fallthrough
                case kEvenOdd_GrPathFill:
                    passes[0] = &gEOStencilPass;
                    if (stencilOnly) {
                        passCount = 1;
                        lastPassIsBounds = false;
                    } else {
                        passCount = 2;
                        lastPassIsBounds = true;
                        if (reverse) {
                            passes[1] = &gInvEOColorPass;
                        } else {
                            passes[1] = &gEOColorPass;
                        }
                    }
                    drawFace[0] = drawFace[1] = GrDrawState::kBoth_DrawFace;
                    break;

                case kInverseWinding_GrPathFill:
                    reverse = true;
                    // fallthrough
                case kWinding_GrPathFill:
                    if (fSeparateStencil) {
                        if (fStencilWrapOps) {
                            passes[0] = &gWindStencilSeparateWithWrap;
                        } else {
                            passes[0] = &gWindStencilSeparateNoWrap;
                        }
                        passCount = 2;
                        drawFace[0] = GrDrawState::kBoth_DrawFace;
                    } else {
                        if (fStencilWrapOps) {
                            passes[0] = &gWindSingleStencilWithWrapInc;
                            passes[1] = &gWindSingleStencilWithWrapDec;
                        } else {
                            passes[0] = &gWindSingleStencilNoWrapInc;
                            passes[1] = &gWindSingleStencilNoWrapDec;
                        }
                        // which is cw and which is ccw is arbitrary.
                        drawFace[0] = GrDrawState::kCW_DrawFace;
//.........这里部分代码省略.........
开发者ID:bunhere,项目名称:skia,代码行数:101,代码来源:GrDefaultPathRenderer.cpp

示例2: internalDrawPath

bool GrDefaultPathRenderer::internalDrawPath(const SkPath& path,
                                             const SkStrokeRec& origStroke,
                                             GrDrawTarget* target,
                                             bool stencilOnly) {

    SkMatrix viewM = target->getDrawState().getViewMatrix();
    SkTCopyOnFirstWrite<SkStrokeRec> stroke(origStroke);

    SkScalar hairlineCoverage;
    if (IsStrokeHairlineOrEquivalent(*stroke, target->getDrawState().getViewMatrix(),
                                     &hairlineCoverage)) {
        uint8_t newCoverage = SkScalarRoundToInt(hairlineCoverage *
                                                 target->getDrawState().getCoverage());
        target->drawState()->setCoverage(newCoverage);

        if (!stroke->isHairlineStyle()) {
            stroke.writable()->setHairlineStyle();
        }
    }

    SkScalar tol = SK_Scalar1;
    tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, path.getBounds());

    int vertexCnt;
    int indexCnt;
    GrPrimitiveType primType;
    GrDrawTarget::AutoReleaseGeometry arg;
    if (!this->createGeom(path,
                          *stroke,
                          tol,
                          target,
                          &primType,
                          &vertexCnt,
                          &indexCnt,
                          &arg)) {
        return false;
    }

    SkASSERT(NULL != target);
    GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kPreserve_ASRInit);
    GrDrawState* drawState = target->drawState();
    bool colorWritesWereDisabled = drawState->isColorWriteDisabled();
    // face culling doesn't make sense here
    SkASSERT(GrDrawState::kBoth_DrawFace == drawState->getDrawFace());

    int                         passCount = 0;
    const GrStencilSettings*    passes[3];
    GrDrawState::DrawFace       drawFace[3];
    bool                        reverse = false;
    bool                        lastPassIsBounds;

    if (stroke->isHairlineStyle()) {
        passCount = 1;
        if (stencilOnly) {
            passes[0] = &gDirectToStencil;
        } else {
            passes[0] = NULL;
        }
        lastPassIsBounds = false;
        drawFace[0] = GrDrawState::kBoth_DrawFace;
    } else {
        if (single_pass_path(path, *stroke)) {
            passCount = 1;
            if (stencilOnly) {
                passes[0] = &gDirectToStencil;
            } else {
                passes[0] = NULL;
            }
            drawFace[0] = GrDrawState::kBoth_DrawFace;
            lastPassIsBounds = false;
        } else {
            switch (path.getFillType()) {
                case SkPath::kInverseEvenOdd_FillType:
                    reverse = true;
                    // fallthrough
                case SkPath::kEvenOdd_FillType:
                    passes[0] = &gEOStencilPass;
                    if (stencilOnly) {
                        passCount = 1;
                        lastPassIsBounds = false;
                    } else {
                        passCount = 2;
                        lastPassIsBounds = true;
                        if (reverse) {
                            passes[1] = &gInvEOColorPass;
                        } else {
                            passes[1] = &gEOColorPass;
                        }
                    }
                    drawFace[0] = drawFace[1] = GrDrawState::kBoth_DrawFace;
                    break;

                case SkPath::kInverseWinding_FillType:
                    reverse = true;
                    // fallthrough
                case SkPath::kWinding_FillType:
                    if (fSeparateStencil) {
                        if (fStencilWrapOps) {
                            passes[0] = &gWindStencilSeparateWithWrap;
                        } else {
//.........这里部分代码省略.........
开发者ID:AOSC-Dev,项目名称:Pale-Moon,代码行数:101,代码来源:GrDefaultPathRenderer.cpp

示例3: onDrawPath

void GrDefaultPathRenderer::onDrawPath(GrDrawState::StageMask stageMask,
                                       bool stencilOnly) {

    GrMatrix viewM = fTarget->getDrawState().getViewMatrix();
    GrScalar tol = GR_Scalar1;
    tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, fPath->getBounds());
    GrDrawState* drawState = fTarget->drawState();

    // FIXME: It's really dumb that we recreate the verts for a new vertex
    // layout. We only do that because the GrDrawTarget API doesn't allow
    // us to change the vertex layout after reserveVertexSpace(). We won't
    // actually change the vertex data when the layout changes since all the
    // stages reference the positions (rather than having separate tex coords)
    // and we don't ever have per-vert colors. In practice our call sites
    // won't change the stages in use inside a setPath / removePath pair. But
    // it is a silly limitation of the GrDrawTarget design that should be fixed.
    if (tol != fPreviousSrcTol ||
        stageMask != fPreviousStages) {
        if (!this->createGeom(tol, stageMask)) {
            return;
        }
    }

    GrAssert(NULL != fTarget);
    GrDrawTarget::AutoStateRestore asr(fTarget);
    bool colorWritesWereDisabled = drawState->isColorWriteDisabled();
    // face culling doesn't make sense here
    GrAssert(GrDrawState::kBoth_DrawFace == drawState->getDrawFace());

    int                         passCount = 0;
    const GrStencilSettings*    passes[3];
    GrDrawState::DrawFace       drawFace[3];
    bool                        reverse = false;
    bool                        lastPassIsBounds;

    if (kHairLine_PathFill == fFill) {
        passCount = 1;
        if (stencilOnly) {
            passes[0] = &gDirectToStencil;
        } else {
            passes[0] = NULL;
        }
        lastPassIsBounds = false;
        drawFace[0] = GrDrawState::kBoth_DrawFace;
    } else {
        if (single_pass_path(*fTarget, *fPath, fFill)) {
            passCount = 1;
            if (stencilOnly) {
                passes[0] = &gDirectToStencil;
            } else {
                passes[0] = NULL;
            }
            drawFace[0] = GrDrawState::kBoth_DrawFace;
            lastPassIsBounds = false;
        } else {
            switch (fFill) {
                case kInverseEvenOdd_PathFill:
                    reverse = true;
                    // fallthrough
                case kEvenOdd_PathFill:
                    passes[0] = &gEOStencilPass;
                    if (stencilOnly) {
                        passCount = 1;
                        lastPassIsBounds = false;
                    } else {
                        passCount = 2;
                        lastPassIsBounds = true;
                        if (reverse) {
                            passes[1] = &gInvEOColorPass;
                        } else {
                            passes[1] = &gEOColorPass;
                        }
                    }
                    drawFace[0] = drawFace[1] = GrDrawState::kBoth_DrawFace;
                    break;

                case kInverseWinding_PathFill:
                    reverse = true;
                    // fallthrough
                case kWinding_PathFill:
                    if (fSeparateStencil) {
                        if (fStencilWrapOps) {
                            passes[0] = &gWindStencilSeparateWithWrap;
                        } else {
                            passes[0] = &gWindStencilSeparateNoWrap;
                        }
                        passCount = 2;
                        drawFace[0] = GrDrawState::kBoth_DrawFace;
                    } else {
                        if (fStencilWrapOps) {
                            passes[0] = &gWindSingleStencilWithWrapInc;
                            passes[1] = &gWindSingleStencilWithWrapDec;
                        } else {
                            passes[0] = &gWindSingleStencilNoWrapInc;
                            passes[1] = &gWindSingleStencilNoWrapDec;
                        }
                        // which is cw and which is ccw is arbitrary.
                        drawFace[0] = GrDrawState::kCW_DrawFace;
                        drawFace[1] = GrDrawState::kCCW_DrawFace;
                        passCount = 3;
//.........这里部分代码省略.........
开发者ID:Anachid,项目名称:mozilla-central,代码行数:101,代码来源:GrDefaultPathRenderer.cpp


注:本文中的GrDrawState::isColorWriteDisabled方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。