http://bugs.freedesktop.org/show_bug.cgi?id=15297
Summary: Bug opengl (incorect display)
Product: Mesa
Version: 6.5
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: high
Component: Drivers/DRI/Unichrome
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
Created an attachment (id=15594)
--> (http://bugs.freedesktop.org/attachment.cgi?id=15594)
BugOpenshrome
Please look attachment
Incorect display Xtree (if use vesa drv - ok, openchrome - no display) , for
example code :
main.cpp
#include <qapplication.h>
#include "myglwidget.h"
int main(int argc,char** argv)
{
QApplication app(argc,argv);
MyGLWidget myglw;
myglw.setFixedSize(500,500);
myglw.show();
app.setMainWidget(&myglw);
return app.exec();
}
myglwidget.h
#ifndef _myglwidget_h_
#define _myglwidget_h_
#include <qgl.h>
class MyGLWidget:public QGLWidget
{
Q_OBJECT
protected:
virtual void paintGL();
virtual void initializeGL();
virtual void resizeGL(int nWidth,int nHeight);
};
#endif //_myglwidget_h_
myglwidget.cpp
#include "myglwidget.h"
void MyGLWidget::initializeGL()
{
qglClearColor(white);
}
void MyGLWidget::resizeGL(int nWidth,int nHeight)
{
glViewport(0,0,(GLint)nWidth,(GLint)nHeight);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0,100,0,100,-1,1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void MyGLWidget::paintGL()
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0,0.0,0.0);
glEnable(GL_LINE_STIPPLE);
GLint linepattern=0xFF18;
glLineStipple(2,linepattern);
glLineWidth(2.0f);
glBegin(GL_LINE_LOOP);
glVertex2f(5,5);
glVertex2f(5,95);
glVertex2f(95,95);
glVertex2f(95,5);
glEnd();
glDisable(GL_LINE_STIPPLE);
glColor3f(0.5,0.2,0.2);
glBegin(GL_TRIANGLES);
glVertex2f(50,90);
glVertex2f(46,10);
glVertex2f(54,10);
glVertex2f(30,10);
glVertex2f(50,15);
glVertex2f(70,10);
glEnd();
glColor3f(0.0,1.0,0.0);
glEnable(GL_POLYGON_STIPPLE);
GLubyte rightpattern[]=
{
0xFF,0xF0,0xFF,0xFF,
0xFF,0x0F,0xFF,0x0F,
0xFF,0xFF,0xF0,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xFF,0xFF,0xF0,
0xFF,0x0F,0xFF,0x0F,
0xF0,0xFF,0xFF,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xF0,0xFF,0xFF,
0xFF,0x0F,0xFF,0x0F,
0xFF,0xFF,0xF0,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xFF,0xFF,0xF0,
0xFF,0x0F,0xFF,0x0F,
0xF0,0xFF,0xFF,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xF0,0xFF,0xFF,
0xFF,0x0F,0xFF,0x0F,
0xFF,0xFF,0xF0,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xFF,0xFF,0xF0,
0xFF,0x0F,0xFF,0x0F,
0xF0,0xFF,0xFF,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xF0,0xFF,0xFF,
0xFF,0x0F,0xFF,0x0F,
0xFF,0xFF,0xF0,0xFF,
0x0F,0xFF,0x0F,0xFF,
0xFF,0xFF,0xFF,0xF0,
0xFF,0x0F,0xFF,0x0F,
0xF0,0xFF,0xFF,0xFF,
0x0F,0xFF,0x0F,0xFF
};
glPolygonStipple(rightpattern);
glBegin(GL_TRIANGLES);
glVertex2f(50,70);
glVertex2f(60,70);
glVertex2f(50,90);
glVertex2f(50,50);
glVertex2f(70,50);
glVertex2f(50,80);
glVertex2f(50,30);
glVertex2f(80,30);
glVertex2f(50,70);
glEnd();
GLubyte leftpattern[]=
{
0xFF,0xFF,0x0F,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0x0F,0xFF,0xFF,
0xFF,0xF0,0xFF,0xF0,
0x0F,0xFF,0xFF,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0xFF,0xFF,0x0F,
0xFF,0xF0,0xFF,0xF0,
0xFF,0xFF,0x0F,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0x0F,0xFF,0xFF,
0xFF,0xF0,0xFF,0xF0,
0x0F,0xFF,0xFF,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0xFF,0xFF,0x0F,
0xFF,0xF0,0xFF,0xF0,
0xFF,0xFF,0x0F,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0x0F,0xFF,0xFF,
0xFF,0xF0,0xFF,0xF0,
0x0F,0xFF,0xFF,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0xFF,0xFF,0x0F,
0xFF,0xF0,0xFF,0xF0,
0xFF,0xFF,0x0F,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0x0F,0xFF,0xFF,
0xFF,0xF0,0xFF,0xF0,
0x0F,0xFF,0xFF,0xFF,
0xF0,0xFF,0xF0,0xFF,
0xFF,0xFF,0xFF,0x0F,
0xFF,0xF0,0xFF,0xF0
};
glPolygonStipple(leftpattern);
glBegin(GL_TRIANGLES);
glVertex2f(40,70);
glVertex2f(50,70);
glVertex2f(50,90);
glVertex2f(30,50);
glVertex2f(50,50);
glVertex2f(50,80);
glVertex2f(20,30);
glVertex2f(50,30);
glVertex2f(50,70);
glEnd();
glDisable(GL_POLYGON_STIPPLE);
}
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