** Branch linked: lp:ubuntu/wily-proposed/ubuntu-ui-toolkit -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-ui-toolkit in Ubuntu. https://bugs.launchpad.net/bugs/1458694
Title: [vivid-overlay] unity8 fails to start on the emulator Status in Canonical System Image: Fix Committed Status in ubuntu-ui-toolkit package in Ubuntu: Fix Committed Status in unity8 package in Ubuntu: Fix Committed Bug description: phablet@ubuntu-phablet:~$ system-image-cli -i current build number: 140 device name: generic_x86 channel: ubuntu-touch/rc-proposed/ubuntu last update: 2015-05-25 12:02:10 version version: 140 version ubuntu: 20150525 version device: 20150210 version custom: 20150525 When starting unity8 (this started at image 136, probably when mir 0.13 landed): phablet@ubuntu-phablet:~$ cat ./.cache/upstart/unity8.log () [1432595001.896139] mirplatform: Found graphics driver: dummy [1432595001.898447] mirplatform: Found graphics driver: android qtmir.mir: MirServer created [1432595003.675225] Server: Starting [1432595003.679331] Loader: Loading modules from: /usr/lib/i386-linux-gnu/mir/server-platform [1432595003.679501] Loader: Loading module: /usr/lib/i386-linux-gnu/mir/server-platform/graphics-dummy.so [1432595003.680673] Loader: Loading module: /usr/lib/i386-linux-gnu/mir/server-platform/input-stub.so [1432595003.681107] <WARNING> Loader: Failed to load module: /usr/lib/i386-linux-gnu/mir/server-platform/input-stub.so (error was:/usr/lib/i386-linux-gnu/mir/server-platform/input-stub.so: undefined symbol: _ZN3mir6events10make_eventExx17MirKeyboardActionjij) [1432595003.684868] Loader: Loading module: /usr/lib/i386-linux-gnu/mir/server-platform/graphics-android.so.2 [1432595003.685014] mirplatform: Found graphics driver: dummy [1432595003.685211] mirplatform: Found graphics driver: android [1432595003.685416] Platform Loader: Selected driver: android (version 0.13.0) qtmir.mir: PromptSessionListener::PromptSessionListener - this= PromptSessionListener(0x9679764) qtmir.mir: SessionListener::SessionListener - this= SessionListener(0x9676d24) qtmir.mir: MirShell::MirShell [1432595003.883766] DisplayServer: Mir version 0.13.0 QtCompositor::setAllWindowsExposed true qtmir.clipboard: D-Bus registration successful. Mode argument was not provided or was set to an illegal value. Using default value of --mode= "full-greeter" Cannot create window: no screens available With version 135 it starts fine, but not fully functional, giving this error: QOpenGLShader::compile(Fragment): 0:2(12): warning: extension `GL_OES_standard_derivatives' unsupported in fragment shader 0:2(1): error: #extension directive is not allowed in the middle of a shader *** Problematic Fragment shader source code *** #extension GL_OES_standard_derivatives : enable // Enable dFdy() on OpenGL ES 2. #define lowp #define mediump #define highp // Copyright © 2015 Canonical Ltd. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation; version 3. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. // // Author: Loïc Molinari <loic.molin...@canonical.com> // Static flow control (branching on a uniform value) is fast on most GPUs (including ultra-low // power ones) because it allows to use the same shader execution path for an entire draw call. We // rely on that technique here (also known as "uber-shader" solution) to avoid the complexity of // dealing with a multiple shaders solution. // FIXME(loicm) Validate GPU behavior with regards to static flow control. uniform sampler2D shapeTexture; uniform sampler2D sourceTexture; uniform lowp vec2 dfdtFactors; uniform lowp vec2 opacityFactors; uniform lowp float sourceOpacity; uniform lowp float distanceAA; uniform bool textured; uniform mediump int aspect; varying mediump vec2 shapeCoord; varying mediump vec4 sourceCoord; varying lowp vec4 backgroundColor; const mediump int FLAT = 0x08; // 1 << 3 const mediump int INSET = 0x10; // 1 << 4 void main(void) { lowp vec4 shapeData = texture2D(shapeTexture, shapeCoord); lowp vec4 color = backgroundColor; // FIXME(loicm) Would be better to use a bitfield but bitwise ops have only been integrated in // GLSL 1.3 (OpenGL 3) and GLSL ES 3 (OpenGL ES 3). if (textured) { // Blend the source over the current color. // FIXME(loicm) sign() is far from optimal. Call texture2D() at beginning of scope. lowp vec2 axisMask = -sign((sourceCoord.zw * sourceCoord.zw) - vec2(1.0)); lowp float mask = clamp(axisMask.x + axisMask.y, 0.0, 1.0); lowp vec4 source = texture2D(sourceTexture, sourceCoord.st) * vec4(sourceOpacity * mask); color = vec4(1.0 - source.a) * color + source; } // Get screen-space derivative of texture coordinate t representing the normalized distance // between 2 pixels. dFd*() unfortunately have to be called outside of branches in order to work // correctly with VMware's "Gallium 0.4 on SVGA3D". lowp vec2 derivatives = vec2(dFdx(shapeCoord.t), dFdy(shapeCoord.t)); lowp float dfdt = dfdtFactors.x != 0.0 ? derivatives.x : derivatives.y; if (aspect == FLAT) { // Mask the current color with an anti-aliased and resolution independent shape mask built // from distance fields. lowp float distanceMin = abs(dfdt) * -distanceAA + 0.5; lowp float distanceMax = abs(dfdt) * distanceAA + 0.5; color *= smoothstep(distanceMin, distanceMax, shapeData.b); } else if (aspect == INSET) { // The vertex layout of the shape is made so that the derivative is negative from top to // middle and positive from middle to bottom. lowp float shapeSide = dfdt * dfdtFactors.y <= 0.0 ? 0.0 : 1.0; // Blend the shape inner shadow over the current color. The shadow color is black, its // translucency is stored in the texture. lowp float shadow = shapeData[int(shapeSide)]; color = vec4(1.0 - shadow) * color + vec4(0.0, 0.0, 0.0, shadow); // Get the anti-aliased and resolution independent shape mask using distance fields. lowp float distanceMin = abs(dfdt) * -distanceAA + 0.5; lowp float distanceMax = abs(dfdt) * distanceAA + 0.5; lowp vec2 mask = smoothstep(distanceMin, distanceMax, shapeData.ba); // Get the bevel color. The bevel is made of the top mask masked with the bottom mask. A // gradient from the bottom (1) to the middle (0) of the shape is used to factor out values // resulting from the mask anti-aliasing. The bevel color is white with 60% opacity. lowp float bevel = (mask.x * -mask.y) + mask.x; // -ab + a = a(1 - b) lowp float gradient = clamp((shapeSide * -shapeCoord.t) + shapeSide, 0.0, 1.0); bevel *= gradient * 0.6; // Mask the current color then blend the bevel over the resulting color. We simply use // additive blending since the bevel has already been masked. color = (color * vec4(mask[int(shapeSide)])) + vec4(bevel); } gl_FragColor = color * opacityFactors.xxxy; } *** shader compilation failed: "" Adb is broken because of bug 1458043, so use the following workaround to get it to work again: $ sudo ubuntu-emulator create --channel=ubuntu-touch/rc-proposed/ubuntu test_x86 --use-raw-disk $ mkdir -p /tmp/mount1 /tmp/mount2 $ sudo mount ~/.local/share/ubuntu-emulator/test_x86/sdcard.img /tmp/mount1 $ sudo mount /tmp/mount1/system.img /tmp/mount2 $ sudo vi /tmp/mount2/var/lib/lxc/android/pre-start.d/20-no-default-prop-adb #! /bin/sh # Avoid changing the the property when running on the emulator if ! grep -q "qemu=1" /proc/cmdline; then sed -i '/^persist.sys.usb.config=.*/d' $LXC_ROOTFS_PATH/default.prop || true fi $ sudo umount /tmp/mount2 $ sudo umount /tmp/mount1 To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1458694/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
