diff options
| author | Jonathan Liu <net147@gmail.com> | 2012-10-26 22:53:56 +1100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-10-26 15:25:32 +0200 |
| commit | 8900bc778f326e6b22ecfceb0b0b64394f3510fb (patch) | |
| tree | d960ae85724f39228968bb5ee6464686bf8f5691 /src/opengl/gl2paintengineex | |
| parent | 5bddaf76e027a4688a9f26a6a6b3fa80e0903cb7 (diff) | |
QGLTextureGlyphCache: Fix text rendering artifacts on NVIDIA
Check GL_VENDOR to test whether using NVIDIA graphics. On Linux,
GL_VERSION and GL_VENDOR contains "NVIDIA". On Windows, only
GL_VENDOR contains "NVIDIA".
Task-number: QTBUG-27658
Change-Id: I5e74d07ecb9522d1a86ac2953415a51bbdbe8c49
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
Diffstat (limited to 'src/opengl/gl2paintengineex')
| -rw-r--r-- | src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp index 469ac59dcf..ec2f1b02af 100644 --- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp +++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp @@ -339,8 +339,8 @@ void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph, QFixed sub if (!ctx->d_ptr->workaround_brokenAlphaTexSubImage_init) { // don't know which driver versions exhibit this bug, so be conservative for now - const QByteArray versionString(reinterpret_cast<const char*>(glGetString(GL_VERSION))); - ctx->d_ptr->workaround_brokenAlphaTexSubImage = versionString.indexOf("NVIDIA") >= 0; + const QByteArray vendorString(reinterpret_cast<const char*>(glGetString(GL_VENDOR))); + ctx->d_ptr->workaround_brokenAlphaTexSubImage = vendorString.indexOf("NVIDIA") >= 0; ctx->d_ptr->workaround_brokenAlphaTexSubImage_init = true; } |