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vc4: Detect and report kernel support for branching.

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This commit is contained in:
Eric Anholt 2016-03-10 15:18:31 -08:00
parent 16985eb308
commit 83b8ca58e1
1 changed files with 12 additions and 2 deletions
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14
src/gallium/drivers/vc4/vc4_screen.c
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@ -32,6 +32,8 @@
#include "util/u_format.h"
#include "util/ralloc.h"
#include <xf86drm.h>
#include "vc4_drm.h"
#include "vc4_screen.h"
#include "vc4_context.h"
#include "vc4_resource.h"
@ -502,9 +504,17 @@ vc4_supports_branches(struct vc4_screen *screen)
{
#if USE_VC4_SIMULATOR
return true;
#else
return false;
#endif
struct drm_vc4_get_param p = {
.param = DRM_VC4_PARAM_SUPPORTS_BRANCHES,
};
int ret = drmIoctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &p);
if (ret != 0)
return false;
return p.value;
}
struct pipe_screen *