diff options
| author | Laszlo Agocs <laszlo.agocs@qt.io> | 2018-11-05 15:57:22 +0100 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@qt.io> | 2019-08-14 15:40:27 +0200 |
| commit | 1be4f6c32c9846a2343f94628ba9704cf22ec5b1 (patch) | |
| tree | 54e5d40c201d74a221447ce265ccc27ad032061b /src/plugins | |
| parent | 3d56572fe7c5111aa984e358d3c9a8c41ae87e56 (diff) | |
Avoid querying unknown RESET_NOTIFICATION_STRATEGY value on GL < 4.0
Fixes: QTBUG-55759
Change-Id: Ie2758859a6862a214691a5011761bf549a31a93e
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsglcontext.cpp | 11 | ||||
| -rw-r--r-- | src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp | 12 |
2 files changed, 14 insertions, 9 deletions
diff --git a/src/plugins/platforms/windows/qwindowsglcontext.cpp b/src/plugins/platforms/windows/qwindowsglcontext.cpp index e95eaef420..1063432dcc 100644 --- a/src/plugins/platforms/windows/qwindowsglcontext.cpp +++ b/src/plugins/platforms/windows/qwindowsglcontext.cpp @@ -876,10 +876,6 @@ QWindowsOpenGLContextFormat QWindowsOpenGLContextFormat::current() result.options |= QSurfaceFormat::DeprecatedFunctions; if (value & GL_CONTEXT_FLAG_DEBUG_BIT) result.options |= QSurfaceFormat::DebugContext; - value = 0; - QOpenGLStaticContext::opengl32.glGetIntegerv(RESET_NOTIFICATION_STRATEGY_ARB, &value); - if (value == LOSE_CONTEXT_ON_RESET_ARB) - result.options |= QSurfaceFormat::ResetNotification; if (result.version < 0x0302) return result; // v3.2 onwards: Profiles @@ -889,6 +885,13 @@ QWindowsOpenGLContextFormat QWindowsOpenGLContextFormat::current() result.profile = QSurfaceFormat::CoreProfile; else if (value & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT) result.profile = QSurfaceFormat::CompatibilityProfile; + if (result.version < 0x0400) + return result; + // v4.0 onwards + value = 0; + QOpenGLStaticContext::opengl32.glGetIntegerv(RESET_NOTIFICATION_STRATEGY_ARB, &value); + if (value == LOSE_CONTEXT_ON_RESET_ARB) + result.options |= QSurfaceFormat::ResetNotification; return result; } diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp index f26f698e76..5e5fefca90 100644 --- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp +++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp @@ -163,10 +163,12 @@ static void updateFormatFromContext(QSurfaceFormat &format) format.setOption(QSurfaceFormat::StereoBuffers); if (format.renderableType() == QSurfaceFormat::OpenGL) { - GLint value = 0; - glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &value); - if (value == GL_LOSE_CONTEXT_ON_RESET_ARB) - format.setOption(QSurfaceFormat::ResetNotification); + if (format.version() >= qMakePair(4, 0)) { + GLint value = 0; + glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &value); + if (value == GL_LOSE_CONTEXT_ON_RESET_ARB) + format.setOption(QSurfaceFormat::ResetNotification); + } if (format.version() < qMakePair(3, 0)) { format.setOption(QSurfaceFormat::DeprecatedFunctions); @@ -175,7 +177,7 @@ static void updateFormatFromContext(QSurfaceFormat &format) // Version 3.0 onwards - check if it includes deprecated functionality or is // a debug context - value = 0; + GLint value = 0; glGetIntegerv(GL_CONTEXT_FLAGS, &value); if (!(value & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)) format.setOption(QSurfaceFormat::DeprecatedFunctions); |