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st/dri: Allow dri users to query also driver options

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There will be situations where we want to control, for example, the
GLX behaviour based on applications and drivers. So allow DRI users access
to the driver options.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Thomas Hellstrom 2017-05-05 05:49:50 -07:00
parent 7d67cbefe0
commit ff2978b449
1 changed files with 64 additions and 1 deletions
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65
src/gallium/state_trackers/dri/dri2.c
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@ -1678,6 +1678,69 @@ static const __DRI2interopExtension dri2InteropExtension = {
.export_object = dri2_interop_export_object
};
/**
* \brief the DRI2ConfigQueryExtension configQueryb method
*/
static int
dri2GalliumConfigQueryb(__DRIscreen *sPriv, const char *var,
unsigned char *val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->optionCache, var, DRI_BOOL))
return dri2ConfigQueryExtension.configQueryb(sPriv, var, val);
*val = driQueryOptionb(&screen->optionCache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension configQueryi method
*/
static int
dri2GalliumConfigQueryi(__DRIscreen *sPriv, const char *var, int *val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->optionCache, var, DRI_INT) &&
!driCheckOption(&screen->optionCache, var, DRI_ENUM))
return dri2ConfigQueryExtension.configQueryi(sPriv, var, val);
*val = driQueryOptioni(&screen->optionCache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension configQueryf method
*/
static int
dri2GalliumConfigQueryf(__DRIscreen *sPriv, const char *var, float *val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT))
return dri2ConfigQueryExtension.configQueryf(sPriv, var, val);
*val = driQueryOptionf(&screen->optionCache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension struct.
*
* We first query the driver option cache. Then the dri2 option cache.
*/
static const __DRI2configQueryExtension dri2GalliumConfigQueryExtension = {
.base = { __DRI2_CONFIG_QUERY, 1 },
.configQueryb = dri2GalliumConfigQueryb,
.configQueryi = dri2GalliumConfigQueryi,
.configQueryf = dri2GalliumConfigQueryf,
};
/*
* Backend function init_screen.
*/
@ -1687,7 +1750,7 @@ static const __DRIextension *dri_screen_extensions[] = {
&dri2FlushExtension.base,
&dri2ImageExtension.base,
&dri2RendererQueryExtension.base,
&dri2ConfigQueryExtension.base,
&dri2GalliumConfigQueryExtension.base,
&dri2ThrottleExtension.base,
&dri2FenceExtension.base,
&dri2InteropExtension.base,