diff options
Diffstat (limited to 'src/gui/opengl/qopenglfunctions.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglfunctions.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gui/opengl/qopenglfunctions.cpp b/src/gui/opengl/qopenglfunctions.cpp index 88dd897820..8ddb693e73 100644 --- a/src/gui/opengl/qopenglfunctions.cpp +++ b/src/gui/opengl/qopenglfunctions.cpp @@ -289,8 +289,12 @@ static int qt_gl_resolve_features() if (extensions.match("GL_OES_texture_npot")) features |= QOpenGLFunctions::NPOTTextures | QOpenGLFunctions::NPOTTextureRepeat; - if (ctx->format().majorVersion() >= 3 || extensions.match("GL_EXT_texture_rg")) - features |= QOpenGLFunctions::TextureRGFormats; + if (ctx->format().majorVersion() >= 3 || extensions.match("GL_EXT_texture_rg")) { + // Mesa's GLES implementation (as of 10.6.0) is unable to handle this, even though it provides 3.0. + const char *renderer = reinterpret_cast<const char *>(ctx->functions()->glGetString(GL_RENDERER)); + if (!(renderer && strstr(renderer, "Mesa"))) + features |= QOpenGLFunctions::TextureRGFormats; + } return features; } else { // OpenGL |