Erro with qt quick(no show correctly)

onek24

How are you trying to display your QML application or what are you using as your viewer?

lukasbady

Hi, thanks for the reply ....

First I rode with QT (IDE) - did not work, then ran from the command line (qmlviewer), also did not work ...

Both cases the screen is transparent

onek24

Did it display any errors or any messages in your output-box? Could you post them in that case?

JKSH

Hi,

What is your operating system?

Are you using a physical machine or a virtual machine?

What is your graphics card?

lukasbady

In my output-box show:

Starting C:\Qt\Qt5.1.1\5.1.1\msvc2010\bin\qmlscene.exe C:/Users/Thiago/teste/teste.qml
class QWindowsEGLStaticContext *__cdecl QWindowsEGLStaticContext::create(void): Could not initialize egl display: error 12289

QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( color ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( pixelSize ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( pixelSize ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( textureScale ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( color ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( alphaMin ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( alphaMax ): shader program is not linked

lukasbady

[quote author="JKSH" date="1392080718"]Hi,

What is your operating system?

Are you using a physical machine or a virtual machine?

What is your graphics card?[/quote]

Windows 7
physical machine
I no have graphics card, just on-borard video

lukasbady

[quote author="onek24" date="1392063115"]Did it display any errors or any messages in your output-box? Could you post them in that case?[/quote]

In my output-box show:

Starting C:\Qt\Qt5.1.1\5.1.1\msvc2010\bin\qmlscene.exe C:/Users/Thiago/teste/teste.qml
class QWindowsEGLStaticContext *__cdecl QWindowsEGLStaticContext::create(void): Could not initialize egl display: error 12289

QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( color ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( pixelSize ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( pixelSize ): shader program is not linked
QOpenGLFunctions created with non-current context
QSGMaterialShader: Shader compilation failed:
“”
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( textureScale ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( color ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( alphaMin ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( alphaMax ): shader program is not linked

onek24

Well, i would say the problem is that you've got no graphics-card, but i could be wrong.

JKSH

Qt requires support for OpenGL 2 or higher. If you only have an onboard graphics chip, then you probably don't have this OpenGL support.

Try using the non-OpenGL version of Qt instead: Go to http://qt-project.org/downloads and download a package that doesn't contain "OpenGL" in its name.

lukasbady

Thanks by all answer, i will do some tests.....all answer was of great help...

This is very common trouble with computers of little quality( in Brazil exists many )

If you guys find more answers, please inform me

Thanks....

onek24

You're welcome. I'll see what i can find but the problem is probably the non-opengl support. Just try it out without open-gl and it should work out fine. Otherwise you still can use QtQuick 1.0 which doesn't support OpenGL by itself.

lukasbady

This problem was corrected in Qt 5.4

http://blog.qt.digia.com/blog/2014/11/27/qt-weekly-21-dynamic-opengl-implementation-loading-in-qt-5-4/

lukasbady

This problem was corrected in Qt 5.4

http://blog.qt.digia.com/blog/2014/11/27/qt-weekly-21-dynamic-opengl-implementation-loading-in-qt-5-4/