[Libreoffice-commits] core.git: Branch 'feature/opengl-canvas-rework' - canvas/source

[Michael Jaumann]

 canvas/source/opengl/ogl_canvascustomsprite.cxx |   15 +++++++++------
 canvas/source/opengl/ogl_canvastools.cxx        |    9 ++++++---
 2 files changed, 15 insertions(+), 9 deletions(-)

New commits:
commit 50f1e7e71bc59cec9c1afee473a94ff49c6de32a
Author: Michael Jaumann <meta_dev at yahoo.com>
Date:   Fri Feb 27 10:46:49 2015 +0000

    don't try to render with no vertices
    
    Change-Id: I42a5c21b32771fcff1fd148b55cad2d697648409

diff --git a/canvas/source/opengl/ogl_canvascustomsprite.cxx b/canvas/source/opengl/ogl_canvascustomsprite.cxx
index 7acaceb..be4372e 100644
--- a/canvas/source/opengl/ogl_canvascustomsprite.cxx
+++ b/canvas/source/opengl/ogl_canvascustomsprite.cxx
@@ -218,14 +218,17 @@ namespace oglcanvas
                                 aSpriteSizePixel.x,
                                 aSpriteSizePixel.y)));
 
-                    std::vector<glm::vec2> vertices;
-                    vertices.reserve(rTriangulatedPolygon.count());
-                    for( sal_uInt32 i=0; i<rTriangulatedPolygon.count(); i++ )
+                    if(rTriangulatedPolygon.count()!=0)
                     {
-                        const ::basegfx::B2DPoint& rPt( rTriangulatedPolygon.getB2DPoint(i) );
-                        vertices.push_back(glm::vec2(rPt.getX(), rPt.getY()));
+                        std::vector<glm::vec2> vertices;
+                        vertices.reserve(rTriangulatedPolygon.count());
+                        for( sal_uInt32 i=0; i<rTriangulatedPolygon.count(); i++ )
+                        {
+                            const ::basegfx::B2DPoint& rPt( rTriangulatedPolygon.getB2DPoint(i) );
+                            vertices.push_back(glm::vec2(rPt.getX(), rPt.getY()));
+                        }
+                        pRenderHelper->renderVertexTex( vertices, fWidth, fHeight,  color, GL_TRIANGLES);
                     }
-                    pRenderHelper->renderVertexTex( vertices, fWidth, fHeight,  color, GL_TRIANGLES);
                 }
                 else
                 {
diff --git a/canvas/source/opengl/ogl_canvastools.cxx b/canvas/source/opengl/ogl_canvastools.cxx
index 6490cff..3c09f96 100644
--- a/canvas/source/opengl/ogl_canvastools.cxx
+++ b/canvas/source/opengl/ogl_canvastools.cxx
@@ -48,7 +48,8 @@ namespace oglcanvas
                 vertices.push_back(glm::vec2(rPt.getX(),rPt.getY()));
             }
 
-            renderHelper->renderVertexConstColor(vertices, color, GL_TRIANGLES);
+            if(vertices.size() !=0)
+                renderHelper->renderVertexConstColor(vertices, color, GL_TRIANGLES);
         }
     }
 
@@ -72,7 +73,8 @@ namespace oglcanvas
                 const ::basegfx::B2DPoint& rPt( rTriangulatedPolygon.getB2DPoint(i) );
                 vertices.push_back(glm::vec2(rPt.getX(),rPt.getY()));
             }
-            renderHelper->renderTextureTransform( vertices, nWidth, nHeight,  color, GL_TRIANGLES, transform);
+            if(vertices.size()!=0)
+                renderHelper->renderTextureTransform( vertices, nWidth, nHeight,  color, GL_TRIANGLES, transform);
         }
     }
 
@@ -102,7 +104,8 @@ namespace oglcanvas
                     const ::basegfx::B2DPoint& rPt( rPolygon.getB2DPoint( j % nPts ) );
                     vertices.push_back(glm::vec2(rPt.getX(),rPt.getY()));
                 }
-                renderHelper->renderVertexConstColor(vertices, color, GL_LINE_STRIP);
+                if(vertices.size()!=0)
+                    renderHelper->renderVertexConstColor(vertices, color, GL_LINE_STRIP);
             }
         }