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Commit 3ff70dea authored by Maciej Suminski's avatar Maciej Suminski
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Changed non-shader primitives to GL_TRIANGLES.

parent 790e4c6a
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Showing with 119 additions and 64 deletions
common/gal/opengl/opengl_gal.cpp
View file @ 3ff70dea
......@@ -387,13 +387,18 @@ void OPENGL_GAL::blitMainTexture( bool aIsClearFrameBuffer )
glMatrixMode( GL_PROJECTION );
glPushMatrix();
glLoadIdentity();
glBegin( GL_QUADS );
glBegin( GL_TRIANGLES );
glTexCoord2i( 0, 1 );
glVertex3i( -1, -1, 0 );
glTexCoord2i( 1, 1 );
glVertex3i( 1, -1, 0 );
glTexCoord2i( 1, 0 );
glVertex3i( 1, 1, 0 );
glTexCoord2i( 0, 1 );
glVertex3i( -1, -1, 0 );
glTexCoord2i( 1, 0 );
glVertex3i( 1, 1, 0 );
glTexCoord2i( 0, 0 );
glVertex3i( -1, 1, 0 );
glEnd();
......@@ -432,7 +437,7 @@ inline void OPENGL_GAL::selectShader( int aIndex )
void OPENGL_GAL::drawRoundedSegment( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint,
double aWidth, bool aStroke, bool aGlBegin )
{
VECTOR2D l = (aEndPoint - aStartPoint);
VECTOR2D l = ( aEndPoint - aStartPoint );
double lnorm = l.EuclideanNorm();
double aspect;
......@@ -463,7 +468,7 @@ void OPENGL_GAL::drawRoundedSegment( const VECTOR2D& aStartPoint, const VECTOR2D
selectShader( 0 );
if( aGlBegin )
glBegin( GL_QUADS );
glBegin( GL_QUADS ); // shader
glNormal3d( aspect, 0, 0 );
glTexCoord2f( 0.0, 0.0 );
......@@ -506,10 +511,13 @@ inline void OPENGL_GAL::drawLineQuad( const VECTOR2D& aStartPoint, const VECTOR2
VECTOR2D point3 = aEndPoint + perpendicularVector;
VECTOR2D point4 = aEndPoint - perpendicularVector;
glBegin( GL_QUADS );
glBegin( GL_TRIANGLES );
glVertex3d( point1.x, point1.y, layerDepth );
glVertex3d( point2.x, point2.y, layerDepth );
glVertex3d( point4.x, point4.y, layerDepth );
glVertex3d( point1.x, point1.y, layerDepth );
glVertex3d( point4.x, point4.y, layerDepth );
glVertex3d( point3.x, point3.y, layerDepth );
glEnd();
}
......@@ -687,21 +695,21 @@ void OPENGL_GAL::DrawPolyline( std::deque<VECTOR2D>& aPointList )
}
// Now draw the fan
glBegin( GL_TRIANGLE_FAN );
glBegin( GL_TRIANGLES );
SWAP( angle1, >, angle2 );
for( double a = angle1; a < angle2; )
{
glVertex3d( lastPoint.x, lastPoint.y, layerDepth );
glVertex3d( lastPoint.x + adjust * sin( a ),
lastPoint.y - adjust * cos( a ), layerDepth );
SWAP( angle1, >, angle2 );
a += M_PI / 32;
if(a > angle2)
a = angle2;
glVertex3d( lastPoint.x + adjust * sin( angle1 ),
lastPoint.y - adjust * cos( angle1 ), layerDepth );
for( double a = angle1 + M_PI / 32; a < angle2; a += M_PI / 32 )
{
glVertex3d( lastPoint.x + adjust * sin( a ),
lastPoint.y - adjust * cos( a ), layerDepth );
}
glVertex3d( lastPoint.x + adjust * sin( angle2 ),
lastPoint.y - adjust * cos( angle2 ), layerDepth );
glEnd();
break;
}
......@@ -744,7 +752,6 @@ void OPENGL_GAL::DrawPolyline( std::deque<VECTOR2D>& aPointList )
{
point1 = lastPoint + perpendicularVector1;
point3 = lastPoint + perpendicularVector2;
}
VECTOR2D point2 = point1 - lastStartEndVector;
......@@ -767,10 +774,17 @@ void OPENGL_GAL::DrawPolyline( std::deque<VECTOR2D>& aPointList )
double limit = MITER_LIMIT * lineWidth;
VECTOR2D mp1 = point1 + ( limit / lineLengthA ) * lastStartEndVector;
VECTOR2D mp2 = point3 - ( limit / lineLengthB ) * startEndVector;
glBegin( GL_TRIANGLE_FAN );
glBegin( GL_TRIANGLES );
glVertex3d( lastPoint.x, lastPoint.y, layerDepth );
glVertex3d( point1.x, point1.y, layerDepth );
glVertex3d( mp1.x, mp1.y, layerDepth );
glVertex3d( lastPoint.x, lastPoint.y, layerDepth );
glVertex3d( mp1.x, mp1.y, layerDepth );
glVertex3d( mp2.x, mp2.y, layerDepth );
glVertex3d( lastPoint.x, lastPoint.y, layerDepth );
glVertex3d( mp2.x, mp2.y, layerDepth );
glVertex3d( point3.x, point3.y, layerDepth );
glEnd();
......@@ -778,10 +792,13 @@ void OPENGL_GAL::DrawPolyline( std::deque<VECTOR2D>& aPointList )
else
{
// Insert two triangles for the mitered edge
glBegin( GL_TRIANGLE_FAN );
glBegin( GL_TRIANGLES );
glVertex3d( lastPoint.x, lastPoint.y, layerDepth );
glVertex3d( point1.x, point1.y, layerDepth );
glVertex3d( miterPoint.x, miterPoint.y, layerDepth );
glVertex3d( lastPoint.x, lastPoint.y, layerDepth );
glVertex3d( miterPoint.x, miterPoint.y, layerDepth );
glVertex3d( point3.x, point3.y, layerDepth );
glEnd();
}
......@@ -819,7 +836,7 @@ void OPENGL_GAL::DrawRectangle( const VECTOR2D& aStartPoint, const VECTOR2D& aEn
{
selectShader( 0 );
glColor4d( fillColor.r, fillColor.g, fillColor.b, fillColor.a );
glBegin( GL_QUADS );
glBegin( GL_QUADS ); // shader
glNormal3d( 1.0, 0, 0);
glTexCoord2f(0.0, 0.0);
glVertex3d( aStartPoint.x, aStartPoint.y, layerDepth );
......@@ -834,15 +851,14 @@ void OPENGL_GAL::DrawRectangle( const VECTOR2D& aStartPoint, const VECTOR2D& aEn
glVertex3d( diagonalPointB.x, diagonalPointB.y, layerDepth );
glEnd();
}
if(isStrokeEnabled)
{
glBegin(GL_QUADS);
glBegin( GL_QUADS ); // shader
drawRoundedSegment(aStartPoint, diagonalPointA, lineWidth, true, false );
drawRoundedSegment(aEndPoint, diagonalPointA, lineWidth, true, false );
drawRoundedSegment(aStartPoint, diagonalPointB, lineWidth, true, false );
drawRoundedSegment(aEndPoint, diagonalPointB, lineWidth, true, false );
glEnd();
}
......@@ -868,10 +884,13 @@ void OPENGL_GAL::DrawRectangle( const VECTOR2D& aStartPoint, const VECTOR2D& aEn
if( isFillEnabled )
{
glColor4d( fillColor.r, fillColor.g, fillColor.b, fillColor.a );
glBegin( GL_QUADS );
glBegin( GL_TRIANGLES );
glVertex3d( aStartPoint.x, aStartPoint.y, layerDepth );
glVertex3d( diagonalPointA.x, diagonalPointA.y, layerDepth );
glVertex3d( aEndPoint.x, aEndPoint.y, layerDepth );
glVertex3d( aStartPoint.x, aStartPoint.y, layerDepth );
glVertex3d( aEndPoint.x, aEndPoint.y, layerDepth );
glVertex3d( diagonalPointB.x, diagonalPointB.y, layerDepth );
glEnd();
}
......@@ -919,12 +938,22 @@ void OPENGL_GAL::DrawCircle( const VECTOR2D& aCenterPoint, double aRadius )
glTranslated( aCenterPoint.x, aCenterPoint.y, 0.0 );
glScaled( aRadius, aRadius, 1.0 );
glBegin( GL_QUAD_STRIP );
glBegin( GL_TRIANGLES );
for( std::deque<VECTOR2D>::const_iterator it = unitCirclePoints.begin();
it != unitCirclePoints.end(); it++ )
{
glVertex3d( it->x * innerScale, it->y * innerScale, layerDepth );
glVertex3d( it->x * outerScale, it->y * outerScale, layerDepth );
double v0[] = { it->x * innerScale, it->y * innerScale };
double v1[] = { it->x * outerScale, it->y * outerScale };
double v2[] = { ( it + 1 )->x * innerScale, ( it + 1 )->y * innerScale };
double v3[] = { ( it + 1 )->x * outerScale, ( it + 1 )->y * outerScale };
glVertex3d( v0[0], v0[1], layerDepth );
glVertex3d( v1[0], v1[1], layerDepth );
glVertex3d( v2[0], v2[1], layerDepth );
glVertex3d( v1[0], v1[1], layerDepth );
glVertex3d( v3[0], v3[1], layerDepth );
glVertex3d( v2[0], v2[1], layerDepth );
}
glEnd();
......@@ -988,7 +1017,6 @@ void OPENGL_GAL::DrawArc( const VECTOR2D& aCenterPoint, double aRadius, double a
VECTOR2D startEndPoint = startPoint + endPoint;
VECTOR2D middlePoint = 0.5 * startEndPoint;
glPushMatrix();
glTranslated( aCenterPoint.x, aCenterPoint.y, layerDepth );
glScaled( aRadius, aRadius, 1.0 );
......@@ -1015,7 +1043,7 @@ void OPENGL_GAL::DrawArc( const VECTOR2D& aCenterPoint, double aRadius, double a
VECTOR2D p( cos( aStartAngle ), sin( aStartAngle ) );
glBegin( GL_QUADS );
glBegin( GL_QUADS ); // shader
for( int i = 0; i < n_points; i++ )
{
VECTOR2D p_next( p.x * cosI - p.y * sinI, p.x * sinI + p.y * cosI );
......@@ -1027,20 +1055,30 @@ void OPENGL_GAL::DrawArc( const VECTOR2D& aCenterPoint, double aRadius, double a
}
else
{
double alphaIncrement = 2 * M_PI / CIRCLE_POINTS;
glColor4d( strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a );
glBegin( GL_QUAD_STRIP );
glBegin( GL_TRIANGLES );
for( double alpha = aStartAngle; alpha < aEndAngle; )
{
double v0[] = { cos( alpha ) * innerScale, sin( alpha ) * innerScale };
double v1[] = { cos( alpha ) * outerScale, sin( alpha ) * outerScale };
double alphaIncrement = 2 * M_PI / CIRCLE_POINTS;
alpha += alphaIncrement;
if( alpha > aEndAngle )
alpha = aEndAngle;
for( double alpha = aStartAngle; alpha < aEndAngle; alpha += alphaIncrement )
{
glVertex2d( cos( alpha ) * innerScale, sin( alpha ) * innerScale );
glVertex2d( cos( alpha ) * outerScale, sin( alpha ) * outerScale );
}
double v2[] = { cos( alpha ) * innerScale, sin( alpha ) * innerScale };
double v3[] = { cos( alpha ) * outerScale, sin( alpha ) * outerScale };
glVertex3d( v0[0], v0[1], layerDepth );
glVertex3d( v1[0], v1[1], layerDepth );
glVertex3d( v2[0], v2[1], layerDepth );
glVertex2d( cos( aEndAngle ) * innerScale, sin( aEndAngle ) * innerScale );
glVertex2d( cos( aEndAngle ) * outerScale, sin( aEndAngle ) * outerScale );
glVertex3d( v1[0], v1[1], layerDepth );
glVertex3d( v3[0], v3[1], layerDepth );
glVertex3d( v2[0], v2[1], layerDepth );
}
glEnd();
......@@ -1054,21 +1092,22 @@ void OPENGL_GAL::DrawArc( const VECTOR2D& aCenterPoint, double aRadius, double a
if( isFillEnabled )
{
glColor4d( fillColor.r, fillColor.g, fillColor.b, fillColor.a );
glBegin( GL_TRIANGLE_FAN );
glVertex2d( middlePoint.x, middlePoint.y );
double alphaIncrement = 2 * M_PI / CIRCLE_POINTS;
double alpha;
glColor4d( fillColor.r, fillColor.g, fillColor.b, fillColor.a );
for( double alpha = aStartAngle; alpha < aEndAngle; alpha += alphaIncrement )
glBegin( GL_TRIANGLES );
for( alpha = aStartAngle; ( alpha + alphaIncrement ) < aEndAngle; )
{
glVertex2d( middlePoint.x, middlePoint.y );
glVertex2d( cos( alpha ), sin( alpha ) );
alpha += alphaIncrement;
glVertex2d( cos( alpha ), sin( alpha ) );
}
glVertex2d( middlePoint.x, middlePoint.y );
glVertex2d( cos( alpha ), sin( alpha ) );
glVertex2d( endPoint.x, endPoint.y );
glEnd();
}
......@@ -1080,8 +1119,7 @@ struct OGLPOINT
{
OGLPOINT() :
x( 0.0 ), y( 0.0 ), z( 0.0 )
{
}
{}
OGLPOINT( const char* fastest )
{
......@@ -1090,8 +1128,7 @@ struct OGLPOINT
OGLPOINT( const VECTOR2D& aPoint ) :
x( aPoint.x ), y( aPoint.y ), z( 0.0 )
{
}
{}
OGLPOINT& operator=( const VECTOR2D& aPoint )
{
......@@ -1159,7 +1196,7 @@ void OPENGL_GAL::DrawCurve( const VECTOR2D& aStartPoint, const VECTOR2D& aContro
std::deque<VECTOR2D> pointList;
double t = 0.0;
double dt = 1.0 / (double)CURVE_POINTS;
double dt = 1.0 / (double) CURVE_POINTS;
for( int i = 0; i <= CURVE_POINTS; i++ )
{
......@@ -1334,17 +1371,25 @@ void OPENGL_GAL::computeUnitArcs()
void OPENGL_GAL::computeUnitCircle()
{
double valueX, valueY;
displayListCircle = glGenLists( 1 );
glNewList( displayListCircle, GL_COMPILE );
glBegin( GL_TRIANGLE_FAN );
glVertex2d( 0, 0 );
glBegin( GL_TRIANGLES );
// Compute the circle points for a given number of segments
// Insert in a display list and a vector
for( int i = 0; i < CIRCLE_POINTS + 1; i++ )
for( int i = 0; i < CIRCLE_POINTS; i++ )
{
double valueX = cos( 2.0 * M_PI / CIRCLE_POINTS * i );
double valueY = sin( 2.0 * M_PI / CIRCLE_POINTS * i );
glVertex2d( 0, 0 );
valueX = cos( 2.0 * M_PI / CIRCLE_POINTS * i );
valueY = sin( 2.0 * M_PI / CIRCLE_POINTS * i );
glVertex2d( valueX, valueY );
unitCirclePoints.push_back( VECTOR2D( valueX, valueY ) );
valueX = cos( 2.0 * M_PI / CIRCLE_POINTS * ( i + 1 ) );
valueY = sin( 2.0 * M_PI / CIRCLE_POINTS * ( i + 1 ) );
glVertex2d( valueX, valueY );
unitCirclePoints.push_back( VECTOR2D( valueX, valueY ) );
}
......@@ -1359,11 +1404,14 @@ void OPENGL_GAL::computeUnitSemiCircle()
displayListSemiCircle = glGenLists( 1 );
glNewList( displayListSemiCircle, GL_COMPILE );
glBegin( GL_TRIANGLE_FAN );
glVertex2d( 0, 0 );
for( int i = 0; i < CIRCLE_POINTS / 2 + 1; i++ )
glBegin( GL_TRIANGLES );
for( int i = 0; i < CIRCLE_POINTS / 2; i++ )
{
glVertex2d( cos( 2.0 * M_PI / CIRCLE_POINTS * i ), sin( 2.0 * M_PI / CIRCLE_POINTS * i ) );
glVertex2d( 0, 0 );
glVertex2d( cos( 2.0 * M_PI / CIRCLE_POINTS * i ),
sin( 2.0 * M_PI / CIRCLE_POINTS * i ) );
glVertex2d( cos( 2.0 * M_PI / CIRCLE_POINTS * ( i + 1 ) ),
sin( 2.0 * M_PI / CIRCLE_POINTS * ( i + 1 ) ) );
}
glEnd();
......@@ -1500,31 +1548,35 @@ void OPENGL_GAL::DrawCursor( VECTOR2D aCursorPosition )
glDisable( GL_TEXTURE_2D );
glColor4d( cursorColor.r, cursorColor.g, cursorColor.b, cursorColor.a );
glBegin( GL_QUADS );
glBegin( GL_TRIANGLES );
glVertex3f( (int) ( aCursorPosition.x - cursorSize / 2 ) + 1,
(int) ( aCursorPosition.y ), depthRange.x );
glVertex3f( (int) ( aCursorPosition.x + cursorSize / 2 ) + 1,
(int) ( aCursorPosition.y ), depthRange.x );
glVertex3f( (int) ( aCursorPosition.x + cursorSize / 2 ) + 1,
(int) ( aCursorPosition.y + 1 ), depthRange.x );
glVertex3f( (int) ( aCursorPosition.x - cursorSize / 2 ) + 1,
(int) ( aCursorPosition.y ), depthRange.x );
glVertex3f( (int) ( aCursorPosition.x - cursorSize / 2 ) + 1,
(int) ( aCursorPosition.y + 1), depthRange.x );
glVertex3f( (int) ( aCursorPosition.x + cursorSize / 2 ) + 1,
(int) ( aCursorPosition.y + 1 ), depthRange.x );
glVertex3f( (int) ( aCursorPosition.x ),
(int) ( aCursorPosition.y - cursorSize / 2 ) + 1, depthRange.x );
glVertex3f( (int) ( aCursorPosition.x ),
(int) ( aCursorPosition.y + cursorSize / 2 ) + 1, depthRange.x );
glVertex3f( (int) ( aCursorPosition.x ) + 1,
(int) ( aCursorPosition.y + cursorSize / 2 ) + 1, depthRange.x );
glVertex3f( (int) ( aCursorPosition.x ),
(int) ( aCursorPosition.y - cursorSize / 2 ) + 1, depthRange.x );
glVertex3f( (int) ( aCursorPosition.x ) + 1,
(int) ( aCursorPosition.y - cursorSize / 2 ) + 1, depthRange.x );
glVertex3f( (int) ( aCursorPosition.x ) + 1,
(int) ( aCursorPosition.y + cursorSize / 2 ) + 1, depthRange.x );
glEnd();
// Blit the current screen contents
......@@ -1559,11 +1611,14 @@ void OPENGL_GAL::DrawGridLine( const VECTOR2D& aStartPoint, const VECTOR2D& aEnd
glColor4d( gridColor.r, gridColor.g, gridColor.b, gridColor.a );
// Draw the quad for the grid line
glBegin( GL_QUADS );
glBegin( GL_TRIANGLES );
double gridDepth = depthRange.y * 0.75;
glVertex3d( point1.x, point1.y, gridDepth );
glVertex3d( point2.x, point2.y, gridDepth );
glVertex3d( point4.x, point4.y, gridDepth );
glVertex3d( point1.x, point1.y, gridDepth );
glVertex3d( point4.x, point4.y, gridDepth );
glVertex3d( point3.x, point3.y, gridDepth );
glEnd();
}
......
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