[Intel-gfx] [PATCH 1/2] tests: Exercise new API for using a LUT with the execbuffer

[Chris Wilson]

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/Makefile.am      |    1 +
 tests/gem_lut_handle.c |  109 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 tests/gem_lut_handle.c

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 18f7148..16d187f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -37,6 +37,7 @@ TESTS_progs = \
 	gem_exec_blt \
 	gem_exec_faulting_reloc \
 	gem_readwrite \
+	gem_lut_handle \
 	gem_mmap \
 	gem_mmap_offset_exhaustion \
 	gem_hangcheck_forcewake \
diff --git a/tests/gem_lut_handle.c b/tests/gem_lut_handle.c
new file mode 100644
index 0000000..64676f2
--- /dev/null
+++ b/tests/gem_lut_handle.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright © 20012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chris Wilson <chris at chris-wilson.co.uk>
+ *
+ */
+
+/* Exercises the basic execbuffer using theh andle LUT interface */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include "drm.h"
+#include "i915_drm.h"
+#include "drmtest.h"
+
+#define MI_BATCH_BUFFER_END	(0xA<<23)
+#define BATCH_SIZE		(1024*1024)
+
+#define LOCAL_I915_EXEC_HANDLE_LUT (1<<11)
+
+#define USE_LUT 0x1
+#define BROKEN 0x2
+
+static int exec(int fd, uint32_t handle, unsigned int flags)
+{
+	struct drm_i915_gem_execbuffer2 execbuf;
+	struct drm_i915_gem_exec_object2 gem_exec[1];
+	struct drm_i915_gem_relocation_entry gem_reloc[1];
+
+	gem_reloc[0].offset = 1024;
+	gem_reloc[0].delta = 0;
+	gem_reloc[0].target_handle =
+		!!(flags & USE_LUT) ^ !!(flags & BROKEN) ? 0 : handle;
+	gem_reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
+	gem_reloc[0].write_domain = 0;
+	gem_reloc[0].presumed_offset = 0;
+
+	gem_exec[0].handle = handle;
+	gem_exec[0].relocation_count = 1;
+	gem_exec[0].relocs_ptr = (uintptr_t) gem_reloc;
+	gem_exec[0].alignment = 0;
+	gem_exec[0].offset = 0;
+	gem_exec[0].flags = 0;
+	gem_exec[0].rsvd1 = 0;
+	gem_exec[0].rsvd2 = 0;
+
+	execbuf.buffers_ptr = (uintptr_t)gem_exec;
+	execbuf.buffer_count = 1;
+	execbuf.batch_start_offset = 0;
+	execbuf.batch_len = 8;
+	execbuf.cliprects_ptr = 0;
+	execbuf.num_cliprects = 0;
+	execbuf.DR1 = 0;
+	execbuf.DR4 = 0;
+	execbuf.flags = flags & USE_LUT ? LOCAL_I915_EXEC_HANDLE_LUT : 0;
+	i915_execbuffer2_set_context_id(execbuf, 0);
+	execbuf.rsvd2 = 0;
+
+	return drmIoctl(fd,
+			DRM_IOCTL_I915_GEM_EXECBUFFER2,
+			&execbuf);
+}
+
+int main(int argc, char **argv)
+{
+	uint32_t batch[2] = {MI_BATCH_BUFFER_END};
+	uint32_t handle;
+	int fd;
+
+	fd = drm_open_any();
+
+	handle = gem_create(fd, 4096);
+	gem_write(fd, handle, 0, batch, sizeof(batch));
+
+	do_or_die(exec(fd, handle, 0));
+	do_or_die(exec(fd, handle, USE_LUT));
+
+	assert(exec(fd, handle, BROKEN) == -1 && errno == ENOENT);
+	assert(exec(fd, handle, USE_LUT | BROKEN) == -1 && errno == ENOENT);
+
+	return 0;
+}
-- 
1.7.10.4