commit a3cbd06872b2f9ee9253e5879f590ff1b9eaf365
author Miklos Vajna <vmiklos@collabora.co.uk> Fri Apr 27 15:39:32 2018 +0200
committer Miklos Vajna <vmiklos@collabora.co.uk> Fri Apr 27 16:54:34 2018 +0200
tree 92de279580518b81054873662926950723a2b89a
parent b78ab482911356ef282f7fd40a4509320608a203

tdf#116365 vcl opengl: respect max texture size when creating textures

I can't reproduce the crash, but the image in the bugdoc is a large one
(23100 x 1364 pixels) and it was black for me. It's rendered correctly
now.

Change-Id: I72c395af12ef88cf1352602492b84e1dcd04ed14
Reviewed-on: https://gerrit.libreoffice.org/53555
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

vcl/opengl/salbmp.cxx

diff --git a/vcl/opengl/salbmp.cxx b/vcl/opengl/salbmp.cxx
index 69c6c54..caade8c 100644
--- a/vcl/opengl/salbmp.cxx
+++ b/vcl/opengl/salbmp.cxx
@@ -171,6 +171,15 @@ bool OpenGLSalBitmap::Create( const Size& rSize, sal_uInt16 nBits, const BitmapP
    mnBits = nBits;
    mnWidth = rSize.Width();
    mnHeight = rSize.Height();

    // Limit size to what GL allows, so later glTexImage2D() won't fail.
    GLint nMaxTextureSize;
    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &nMaxTextureSize);
    if (mnWidth > nMaxTextureSize)
        mnWidth = nMaxTextureSize;
    if (mnHeight > nMaxTextureSize)
        mnHeight = nMaxTextureSize;

    return false;
}