[Libreoffice-commits] core.git: chart2/source

[Markus Mohrhard]

 chart2/source/view/main/OpenGLRender.cxx |   14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

New commits:
commit 54e66cba3b7691ce4acf7fac947241058faf0fc3
Author: Markus Mohrhard <markus.mohrh...@collabora.co.uk>
Date:   Tue Feb 18 23:33:38 2014 +0100

    avoid calling glew repeatedly
    
    This saves us about 10% of the rendering time.
    
    Change-Id: I3ea7f1849500b025830b44c5175d79ad04aff362

diff --git a/chart2/source/view/main/OpenGLRender.cxx 
b/chart2/source/view/main/OpenGLRender.cxx
index 83d68bd..9b4cd8d 100755
--- a/chart2/source/view/main/OpenGLRender.cxx
+++ b/chart2/source/view/main/OpenGLRender.cxx
@@ -84,6 +84,7 @@ int static checkGLError(const char *file, int line)
     return retCode;
 }
 
+static bool bGlewInit = false;
 
 #define CHECK_GL_ERROR() checkGLError(__FILE__, __LINE__)
 
@@ -235,11 +236,16 @@ GLfloat texCoords[] = {
 int OpenGLRender::InitOpenGL(GLWindow aWindow)
 {
     glWin = aWindow;
-    glewExperimental = GL_TRUE;
-    if (glewInit() != GLEW_OK)
+    if(!bGlewInit)
     {
-        SAL_WARN("chart2.opengl", "Failed to initialize GLEW");
-        return -1;
+        glewExperimental = GL_TRUE;
+        if (glewInit() != GLEW_OK)
+        {
+            SAL_WARN("chart2.opengl", "Failed to initialize GLEW");
+            return -1;
+        }
+        else
+            bGlewInit = true;
     }
 
     // These guys don't just check support but setup the vtables.
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