Commit 32784ea1 authored by Maciej Suminski's avatar Maciej Suminski
Browse files

Added possibility of adding multiple vertices to VBO_ITEM at once

parent bce9f685

common/gal/opengl/opengl_gal.cpp

+10 −22
Original line number Diff line number Diff line
@@ -651,28 +651,16 @@ void OPENGL_GAL::DrawSegment( const VECTOR2D& aStartPoint, const VECTOR2D& aEndP 
        VECTOR2D v3( aEndPoint.x - ( aWidth * cos( beta ) / 2.0 ),

                     aEndPoint.y + ( aWidth * sin( beta ) / 2.0 ) );



        // First triangle

        GLfloat newVertex1[] = { v0.x, v0.y, layerDepth,

                                 strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a };

        GLfloat newVertex2[] = { v1.x, v1.y, layerDepth,

                                 strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a };

        GLfloat newVertex3[] = { v2.x, v2.y, layerDepth,

                                 strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a };



        // Second triangle

        GLfloat newVertex4[] = { v0.x, v0.y, layerDepth,

                                 strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a };

        GLfloat newVertex5[] = { v2.x, v2.y, layerDepth,

                                 strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a };

        GLfloat newVertex6[] = { v3.x, v3.y, layerDepth,

                                 strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a };



        curVboItem->PushVertex( newVertex1 );

        curVboItem->PushVertex( newVertex2 );

        curVboItem->PushVertex( newVertex3 );

        curVboItem->PushVertex( newVertex4 );

        curVboItem->PushVertex( newVertex5 );

        curVboItem->PushVertex( newVertex6 );

        // Two triangles

        GLfloat newVertices[] = {

            v0.x, v0.y, layerDepth, strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a,

            v1.x, v1.y, layerDepth, strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a,

            v2.x, v2.y, layerDepth, strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a,

            v0.x, v0.y, layerDepth, strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a,

            v2.x, v2.y, layerDepth, strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a,

            v3.x, v3.y, layerDepth, strokeColor.r, strokeColor.g, strokeColor.b, strokeColor.a

        };

        curVboItem->PushVertices( newVertices, 6 );

    }



    if( isFillEnabled )

common/gal/opengl/vbo_item.cpp

+32 −3
Original line number Diff line number Diff line
@@ -61,7 +61,7 @@ void VBO_ITEM::PushVertex( const GLfloat* aVertex ) 
    if( m_vertices )

    {

        // Copy all previous vertices data

        memcpy( newVertices, m_vertices, ( m_size ) * VertSize );

        memcpy( newVertices, m_vertices, m_size * VertSize );

        delete m_vertices;

    }

    m_vertices = newVertices;
@@ -73,7 +73,7 @@ void VBO_ITEM::PushVertex( const GLfloat* aVertex ) 
    if( m_indices )

    {

        // Copy all previous vertices data

        memcpy( newIndices, m_indices, ( m_size ) * IndSize );

        memcpy( newIndices, m_indices, m_size * IndSize );

        delete m_indices;

    }

    m_indices = newIndices;
@@ -88,7 +88,36 @@ void VBO_ITEM::PushVertex( const GLfloat* aVertex ) 


void VBO_ITEM::PushVertices( const GLfloat* aVertex, GLuint aSize )

{

    // FIXME to be done

    int newSize = m_size + aSize;

    GLfloat* newVertices = new GLfloat[newSize * VertStride];

    GLuint*  newIndices  = new GLuint[newSize * IndStride];



    // Handle new vertices

    if( m_vertices )

    {

        // Copy all previous vertices data

        memcpy( newVertices, m_vertices, ( m_size ) * VertSize );

        delete m_vertices;

    }

    m_vertices = newVertices;



    // Add the new vertex

    memcpy( &newVertices[m_size * VertStride], aVertex, aSize * VertSize );



    // Handle new indices

    if( m_indices )

    {

        // Copy all previous vertices data

        memcpy( newIndices, m_indices, ( m_size ) * IndSize );

        delete m_indices;

    }

    m_indices = newIndices;



    // Add the new vertex

    for( int i = m_size; i < newSize; ++i )

        m_indices[i] = m_offset + i;



    m_size += aSize;

    m_isDirty = true;

}

include/gal/opengl/vbo_item.h

+1 −0
Original line number Diff line number Diff line
@@ -96,6 +96,7 @@ private: 
    ///< Packed by 7 floats for each vertex: {X, Y, Z, R, G, B, A}

    GLfloat* m_vertices;



    ///< Indices of vertices

    GLuint*  m_indices;



    ///< Offset and size of data in VBO.