lib/drmtest: extract gem_create

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

lib/drmtest.c

@@ -188,3 +188,17 @@ void gem_sync(int fd, uint32_t handle)
 	gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
 }
 
+uint32_t gem_create(int fd, int size)
+{
+	struct drm_i915_gem_create create;
+	int ret;
+
+	create.handle = 0;
+	create.size = size;
+	ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
+	assert(ret == 0);
+	assert(create.handle);
+
+	return create.handle;
+}
+

lib/drmtest.h

@@ -44,3 +44,4 @@ void gem_read(int fd, uint32_t handle, uint32_t offset, void *buf, uint32_t size
 void gem_set_domain(int fd, uint32_t handle,
 		    uint32_t read_domains, uint32_t write_domain);
 void gem_sync(int fd, uint32_t handle);
+uint32_t gem_create(int fd, int size);