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Commit 181d0a6c authored by Romain Guy's avatar Romain Guy
Browse files

Don't apply AA to rects with no rotation/perspective. 

Change-Id: I21138d4d0589cc28f1dcffb8b675cd81a9900e24
parent 59a12cae

libs/hwui/Matrix.cpp

+4 −0
Original line number Diff line number Diff line
@@ -67,6 +67,10 @@ bool Matrix4::isPureTranslate() { 
            ALMOST_EQUAL(data[kScaleX], 1.0f) && ALMOST_EQUAL(data[kScaleY], 1.0f);

}



bool Matrix4::isSimple() {

    return mSimpleMatrix;

}



void Matrix4::load(const float* v) {

    memcpy(data, v, sizeof(data));

    mSimpleMatrix = false;

libs/hwui/Matrix.h

+1 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ public: 
    }



    bool isPureTranslate();

    bool isSimple();



    bool changesBounds();

libs/hwui/OpenGLRenderer.cpp

+2 −3
Original line number Diff line number Diff line
@@ -1478,8 +1478,7 @@ void OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int 
 * within that boundary region and how far into the region it is.

 */

void OpenGLRenderer::drawAARect(float left, float top, float right, float bottom,

        int color, SkXfermode::Mode mode)

{

        int color, SkXfermode::Mode mode) {

    float inverseScaleX = 1.0f;

    float inverseScaleY = 1.0f;

    // The quad that we use needs to account for scaling.
@@ -1935,7 +1934,7 @@ void OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 
    }



    int color = p->getColor();

    if (p->isAntiAlias()) {

    if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) {

        drawAARect(left, top, right, bottom, color, mode);

    } else {

        drawColorRect(left, top, right, bottom, color, mode);