diff options
Diffstat (limited to 'src/plugins/platforms/glxconvenience/qglxconvenience.cpp')
| -rw-r--r-- | src/plugins/platforms/glxconvenience/qglxconvenience.cpp | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/src/plugins/platforms/glxconvenience/qglxconvenience.cpp b/src/plugins/platforms/glxconvenience/qglxconvenience.cpp index 7cee3e2ea1..eb0f6a6604 100644 --- a/src/plugins/platforms/glxconvenience/qglxconvenience.cpp +++ b/src/plugins/platforms/glxconvenience/qglxconvenience.cpp @@ -43,6 +43,10 @@ #include <QtCore/QVector> +#ifndef QT_NO_XRENDER +#include <X11/extensions/Xrender.h> +#endif + enum { XFocusOut = FocusOut, XFocusIn = FocusIn, @@ -84,14 +88,15 @@ QVector<int> qglx_buildSpec(const QPlatformWindowFormat &format, int drawableBit spec[i++] = GLX_ALPHA_SIZE; spec[i++] = (format.alphaBufferSize() == -1) ? 1 : format.alphaBufferSize(); } - spec[i++] = GLX_ACCUM_RED_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); - spec[i++] = GLX_ACCUM_GREEN_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); - spec[i++] = GLX_ACCUM_BLUE_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); + if (format.accum()) { + spec[i++] = GLX_ACCUM_RED_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); + spec[i++] = GLX_ACCUM_GREEN_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); + spec[i++] = GLX_ACCUM_BLUE_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); - if (format.alpha()) { - spec[i++] = GLX_ACCUM_ALPHA_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); + if (format.alpha()) { + spec[i++] = GLX_ACCUM_ALPHA_SIZE; spec[i++] = (format.accumBufferSize() == -1) ? 1 : format.accumBufferSize(); + } } - } else { spec[i++] = GLX_RENDER_TYPE; spec[i++] = GLX_COLOR_INDEX_BIT; //I'm really not sure if this works.... spec[i++] = GLX_BUFFER_SIZE; spec[i++] = 8; @@ -136,8 +141,17 @@ GLXFBConfig qglx_findConfig(Display *display, int screen , const QPlatformWindow if (reducedFormat.alpha()) { int alphaSize; glXGetFBConfigAttrib(display,configs[i],GLX_ALPHA_SIZE,&alphaSize); - if (alphaSize > 0) - break; + if (alphaSize > 0) { + XVisualInfo *visual = glXGetVisualFromFBConfig(display, chosenConfig); +#if !defined(QT_NO_XRENDER) + XRenderPictFormat *pictFormat = XRenderFindVisualFormat(display, visual->visual); + if (pictFormat->direct.alphaMask > 0) + break; +#else + if (visual->depth == 32) + break; +#endif + } } else { break; // Just choose the first in the list if there's no alpha requested } |