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author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-04-13 11:44:41 +0200 |
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committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-10-14 20:41:49 +0000 |
commit | 8ec98fc2dc40237730f99af099dffe2920ef5bcc (patch) | |
tree | 4ff2f527cfc39858b242191d1763fc3adf9b50ca /src/platformsupport/eglconvenience | |
parent | 1192c463db34e3f69be4d9ef976246ce265143a3 (diff) |
Fix launching with depth 30 XOrg
Our fallback logic for inexact matches was not very good at accepting
better suggestions.
Change-Id: I40fb78bf583171105725156148e4a2245fb81354
Reviewed-by: Gatis Paeglis <gatis.paeglis@qt.io>
Diffstat (limited to 'src/platformsupport/eglconvenience')
-rw-r--r-- | src/platformsupport/eglconvenience/qxlibeglintegration.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/platformsupport/eglconvenience/qxlibeglintegration.cpp b/src/platformsupport/eglconvenience/qxlibeglintegration.cpp index 565dbfb11b..ac743e1e38 100644 --- a/src/platformsupport/eglconvenience/qxlibeglintegration.cpp +++ b/src/platformsupport/eglconvenience/qxlibeglintegration.cpp @@ -91,21 +91,21 @@ VisualID QXlibEglIntegration::getCompatibleVisualId(Display *display, EGLDisplay int visualRedSize = qPopulationCount(chosenVisualInfo->red_mask); int visualGreenSize = qPopulationCount(chosenVisualInfo->green_mask); int visualBlueSize = qPopulationCount(chosenVisualInfo->blue_mask); - int visualAlphaSize = chosenVisualInfo->depth == 32 ? 8 : 0; + int visualAlphaSize = chosenVisualInfo->depth - visualRedSize - visualBlueSize - visualGreenSize; - const bool visualMatchesConfig = visualRedSize == configRedSize - && visualGreenSize == configGreenSize - && visualBlueSize == configBlueSize - && visualAlphaSize == configAlphaSize; + const bool visualMatchesConfig = visualRedSize >= configRedSize + && visualGreenSize >= configGreenSize + && visualBlueSize >= configBlueSize + && visualAlphaSize >= configAlphaSize; // In some cases EGL tends to suggest a 24-bit visual for 8888 // configs. In such a case we have to fall back to XGetVisualInfo. if (!visualMatchesConfig) { visualId = 0; qCDebug(lcXlibEglDebug, - "EGL suggested using X Visual ID %d (%d %d %d depth %d) for EGL config %d" + "EGL suggested using X Visual ID %d (%d %d %d %d depth %d) for EGL config %d" "(%d %d %d %d), but this is incompatible", - (int)visualId, visualRedSize, visualGreenSize, visualBlueSize, chosenVisualInfo->depth, + (int)visualId, visualRedSize, visualGreenSize, visualBlueSize, visualAlphaSize, chosenVisualInfo->depth, configId, configRedSize, configGreenSize, configBlueSize, configAlphaSize); } } else { |