status_t Layer::setBuffers( uint32_t w, uint32_t h, PixelFormat format, uint32_t flags) { // this surfaces pixel format PixelFormatInfo info; status_t err = getPixelFormatInfo(format, &info); if (err) { ALOGE("unsupported pixelformat %d", format); return err; } // the display's pixel format const DisplayHardware& hw(graphicPlane(0).displayHardware()); uint32_t const maxSurfaceDims = min( hw.getMaxTextureSize(), hw.getMaxViewportDims()); // never allow a surface larger than what our underlying GL implementation // can handle. if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h)); return BAD_VALUE; } PixelFormatInfo displayInfo; getPixelFormatInfo(hw.getFormat(), &displayInfo); const uint32_t hwFlags = hw.getFlags(); mFormat = format; mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false; mOpaqueLayer = (flags & ISurfaceComposer::eOpaque); mCurrentOpacity = getOpacityForFormat(format); mSurfaceTexture->setDefaultBufferSize(w, h); mSurfaceTexture->setDefaultBufferFormat(format); mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); int useDither = mFlinger->getUseDithering(); if (useDither) { if (useDither == 2) { mNeedsDithering = true; } else { // we use the red index int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); mNeedsDithering = (layerRedsize > displayRedSize); } } else { mNeedsDithering = false; } return NO_ERROR; }
status_t Layer::setBuffers( uint32_t w, uint32_t h, PixelFormat format, uint32_t flags) { // this surfaces pixel format PixelFormatInfo info; status_t err = getPixelFormatInfo(format, &info); if (err) return err; // the display's pixel format const DisplayHardware& hw(graphicPlane(0).displayHardware()); uint32_t const maxSurfaceDims = min( hw.getMaxTextureSize(), hw.getMaxViewportDims()); // never allow a surface larger than what our underlying GL implementation // can handle. if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { return BAD_VALUE; } PixelFormatInfo displayInfo; getPixelFormatInfo(hw.getFormat(), &displayInfo); const uint32_t hwFlags = hw.getFlags(); mFormat = format; mWidth = w; mHeight = h; mReqFormat = format; mReqWidth = w; mReqHeight = h; mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; mNeedsBlending = (info.h_alpha - info.l_alpha) > 0; // we use the red index int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); mNeedsDithering = layerRedsize > displayRedSize; mSurface = new SurfaceLayer(mFlinger, this); return NO_ERROR; }
status_t Layer::setBuffers( uint32_t w, uint32_t h, PixelFormat format, uint32_t flags) { // this surfaces pixel format PixelFormatInfo info; status_t err = getPixelFormatInfo(format, &info); if (err) { ALOGE("unsupported pixelformat %d", format); return err; } uint32_t const maxSurfaceDims = min( mFlinger->getMaxTextureSize(), mFlinger->getMaxViewportDims()); // never allow a surface larger than what our underlying GL implementation // can handle. if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h)); return BAD_VALUE; } mFormat = format; mSecure = (flags & ISurfaceComposerClient::eSecure) ? true : false; mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false; mOpaqueLayer = (flags & ISurfaceComposerClient::eOpaque); mCurrentOpacity = getOpacityForFormat(format); mSurfaceTexture->setDefaultBufferSize(w, h); mSurfaceTexture->setDefaultBufferFormat(format); mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); int displayMinColorDepth; int layerRedsize; switch (mFlinger->getUseDithering()) { case 0: mNeedsDithering = false; break; case 1: displayMinColorDepth = mFlinger->getMinColorDepth(); // we use the red index layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); mNeedsDithering = (layerRedsize > displayMinColorDepth); break; case 2: mNeedsDithering = true; break; } return NO_ERROR; }