diff options
Diffstat (limited to 'src/glx/glxcmds.c')
| -rw-r--r-- | src/glx/glxcmds.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c index f6eb07df192..7c66c9bf82f 100644 --- a/src/glx/glxcmds.c +++ b/src/glx/glxcmds.c @@ -224,6 +224,33 @@ ValidateGLXFBConfig(Display * dpy, GLXFBConfig fbconfig) return NULL; } +/** + * Verifies context's GLX_RENDER_TYPE value with config. + * + * \param config GLX FBConfig which will support the returned renderType. + * \param renderType The context render type to be verified. + * \return True if the value of context renderType was approved, or 0 if no + * valid value was found. + */ +Bool +validate_renderType_against_config(const struct glx_config *config, + int renderType) +{ + switch (renderType) { + case GLX_RGBA_TYPE: + return (config->renderType & GLX_RGBA_BIT) != 0; + case GLX_COLOR_INDEX_TYPE: + return (config->renderType & GLX_COLOR_INDEX_BIT) != 0; + case GLX_RGBA_FLOAT_TYPE_ARB: + return (config->renderType & GLX_RGBA_FLOAT_BIT_ARB) != 0; + case GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: + return (config->renderType & GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT) != 0; + default: + break; + } + return 0; +} + _X_HIDDEN Bool glx_context_init(struct glx_context *gc, struct glx_screen *psc, struct glx_config *config) |