[Libreoffice-commits] core.git: Branch 'libreoffice-5-0' - vcl/opengl

[Tomaž Vajngerl]

 vcl/opengl/gdiimpl.cxx |   25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

New commits:
commit e1ab783539b495e12fc769ac493db3f5cebec106
Author: Tomaž Vajngerl <tomaz.vajng...@collabora.co.uk>
Date:   Tue Jun 30 18:07:41 2015 +0900

    opengl: draw rectangle lines with only one glDrawArrays call
    
    Change-Id: I33e065fe6c084d0bed04ee99c447004fe573278a
    Reviewed-on: https://gerrit.libreoffice.org/16859
    Reviewed-by: Caolán McNamara <caol...@redhat.com>
    Tested-by: Caolán McNamara <caol...@redhat.com>

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 2526cde..f56dd4a 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -1195,13 +1195,24 @@ void OpenGLSalGraphicsImpl::drawRect( long nX, long nY, 
long nWidth, long nHeigh
 
     if( UseSolid( mnLineColor ) )
     {
-        const long nX1( nX );
-        const long nY1( nY );
-        const long nX2( nX + nWidth );
-        const long nY2( nY + nHeight );
-        const SalPoint aPoints[] = { { nX1, nY1 }, { nX2, nY1 },
-                                     { nX2, nY2 }, { nX1, nY2 } };
-        DrawLines( 4, aPoints, true ); // No need for AA.
+        GLfloat fX1 = OPENGL_COORD_X(nX);
+        GLfloat fY1 = OPENGL_COORD_Y(nY);
+        GLfloat fX2 = OPENGL_COORD_X(nX + nWidth);
+        GLfloat fY2 = OPENGL_COORD_Y(nY + nHeight);
+
+        GLfloat pPoints[16];
+
+        pPoints[0] = fX1;
+        pPoints[1] = fY1;
+        pPoints[2] = fX2;
+        pPoints[3] = fY1;
+        pPoints[4] = fX2;
+        pPoints[5] = fY2;
+        pPoints[6] = fX1;
+        pPoints[7] = fY2;
+
+        mpProgram->SetVertices(pPoints);
+        glDrawArrays(GL_LINE_LOOP, 0, 4);
     }
 
     PostDraw();

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