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Commit 12910542 authored by Rajulu Ponnada's avatar Rajulu Ponnada
Browse files

frameworks: support for disabling extended tile rendering 

extended tile rendering to be disabled or enabled using property

Change-Id: I62ca839702569155a8ca3572e933d46ec4381866
parent db0e69ef

libs/hwui/OpenGLRenderer.cpp

+9 −1
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ namespace uirenderer { 


#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST)



#define PROPERTY_DISABLE_EXTENDED_TILING "debug.hwui.disable_extiling"

///////////////////////////////////////////////////////////////////////////////

// Globals

///////////////////////////////////////////////////////////////////////////////
@@ -131,6 +132,7 @@ OpenGLRenderer::OpenGLRenderer(): 
    mFrameStarted = false;

    mCountOverdraw = false;

    mExtendedTiling = false;

    mExTilingDisabled = true;

    mScissorOptimizationDisabled = false;

}
@@ -148,6 +150,12 @@ void OpenGLRenderer::initProperties() { 
    } else {

        INIT_LOGD("  Scissor optimization enabled");

    }



    if (property_get(PROPERTY_DISABLE_EXTENDED_TILING, property, "true")) {

        mExTilingDisabled = !strcasecmp(property, "true");

        INIT_LOGD("  Extended Tiling %s",

                mExTilingDisabled ? "disabled" : "enabled");

    }

}



///////////////////////////////////////////////////////////////////////////////
@@ -220,7 +228,7 @@ status_t OpenGLRenderer::startFrame(bool useExTiling) { 
    if (!mSuppressTiling) {

        startTiling(mSnapshot, true);

    }

    else if (useExTiling){

    else if (useExTiling && !mExTilingDisabled){

        startTilingEx(mSnapshot);

    }

libs/hwui/OpenGLRenderer.h

+2 −0
Original line number Diff line number Diff line
@@ -1121,6 +1121,8 @@ private: 


    //tiling to avoid unresolves when set

    bool mExtendedTiling;

    //extended tiling disabled or not

    bool mExTilingDisabled;



    // If true, this renderer will setup drawing to emulate

    // an increment stencil buffer in the color buffer