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Commit dcedc99b authored by Stan Iliev's avatar Stan Iliev Committed by android-build-merger
Browse files

DO NOT MERGE: Use GL_LINEAR filter when drawing scaled TextureView 

am: 93ac4012

Change-Id: I969216b071ab42b9fa14ce3cfcd2b99a3ecc002c
parents 05f984a1 93ac4012

libs/hwui/DeferredLayerUpdater.cpp

+3 −2
Original line number Diff line number Diff line
@@ -133,9 +133,10 @@ void DeferredLayerUpdater::doUpdateTexImage() { 
        bool forceFilter = false;

        sp<GraphicBuffer> buffer = mSurfaceTexture->getCurrentBuffer();

        if (buffer != nullptr) {

            mLayer->setBufferSize(buffer->getWidth(), buffer->getHeight());

            // force filtration if buffer size != layer size

            forceFilter = mWidth != static_cast<int>(buffer->getWidth()) ||

                          mHeight != static_cast<int>(buffer->getHeight());

            forceFilter = mWidth != static_cast<int>(mLayer->getBufferWidth()) ||

                          mHeight != static_cast<int>(mLayer->getBufferHeight());

        }



#if DEBUG_RENDERER

libs/hwui/Layer.h

+12 −0
Original line number Diff line number Diff line
@@ -94,6 +94,15 @@ public: 
     */

    void postDecStrong();



    inline void setBufferSize(uint32_t width, uint32_t height) {

        mBufferWidth = width;

        mBufferHeight = height;

    }



    inline uint32_t getBufferWidth() const { return mBufferWidth; }



    inline uint32_t getBufferHeight() const { return mBufferHeight; }



protected:

    Layer(RenderState& renderState, Api api, sk_sp<SkColorFilter>, int alpha,

          SkBlendMode mode);
@@ -145,6 +154,9 @@ private: 
     */

    mat4 transform;



    uint32_t mBufferWidth = 0;



    uint32_t mBufferHeight = 0;

};  // struct Layer



};  // namespace uirenderer

libs/hwui/pipeline/skia/LayerDrawable.cpp

+10 −2
Original line number Diff line number Diff line
@@ -46,6 +46,11 @@ bool LayerDrawable::DrawLayer(GrContext* context, SkCanvas* canvas, Layer* layer 
    sk_sp<SkImage> layerImage;

    const int layerWidth = layer->getWidth();

    const int layerHeight = layer->getHeight();

    const int bufferWidth = layer->getBufferWidth();

    const int bufferHeight = layer->getBufferHeight();

    if (bufferWidth <= 0 || bufferHeight <=0) {

        return false;

    }

    if (layer->getApi() == Layer::Api::OpenGL) {

        GlLayer* glLayer = static_cast<GlLayer*>(layer);

        GrGLTextureInfo externalTexture;
@@ -57,7 +62,7 @@ bool LayerDrawable::DrawLayer(GrContext* context, SkCanvas* canvas, Layer* layer 
        // this is anticipated to have is that for some format types if we are not bound as an OES

        // texture we may get invalid results for SKP capture if we read back the texture.

        externalTexture.fFormat = GL_RGBA8;

        GrBackendTexture backendTexture(layerWidth, layerHeight, GrMipMapped::kNo, externalTexture);

        GrBackendTexture backendTexture(bufferWidth, bufferHeight, GrMipMapped::kNo, externalTexture);

        layerImage = SkImage::MakeFromTexture(context, backendTexture, kTopLeft_GrSurfaceOrigin,

                                              kPremul_SkAlphaType, nullptr);

    } else {
@@ -76,7 +81,7 @@ bool LayerDrawable::DrawLayer(GrContext* context, SkCanvas* canvas, Layer* layer 
        flipV.setAll(1, 0, 0, 0, -1, 1, 0, 0, 1);

        textureMatrixInv.preConcat(flipV);

        textureMatrixInv.preScale(1.0f / layerWidth, 1.0f / layerHeight);

        textureMatrixInv.postScale(layerWidth, layerHeight);

        textureMatrixInv.postScale(bufferWidth, bufferHeight);

        SkMatrix textureMatrix;

        if (!textureMatrixInv.invert(&textureMatrix)) {

            textureMatrix = textureMatrixInv;
@@ -95,6 +100,9 @@ bool LayerDrawable::DrawLayer(GrContext* context, SkCanvas* canvas, Layer* layer 
        paint.setAlpha(layer->getAlpha());

        paint.setBlendMode(layer->getMode());

        paint.setColorFilter(layer->getColorSpaceWithFilter());

        if (layer->getForceFilter()) {

            paint.setFilterQuality(kLow_SkFilterQuality);

        }



        const bool nonIdentityMatrix = !matrix.isIdentity();

        if (nonIdentityMatrix) {