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authorEric Anholt <eric@anholt.net>2016-01-22 18:04:29 -0800
committerEric Anholt <eric@anholt.net>2016-02-08 16:34:13 -0800
commit4880e13d04c005c1d7918b4499be45704dea9aca (patch)
tree02d277294735d598688d7d2257de506afe1a9fc3 /lib
parent7f421acb60793f5b25a8af5f668197331ba09d2a (diff)
igt: Add a helper function for getting a VC4 BO that's been drawn to.
v2: Use do_ioctl(). Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Daniel Stone <daniels@collabora.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile.sources2
-rw-r--r--lib/igt_vc4.c103
-rw-r--r--lib/igt_vc4.h29
3 files changed, 134 insertions, 0 deletions
diff --git a/lib/Makefile.sources b/lib/Makefile.sources
index 49998680..8a8143f2 100644
--- a/lib/Makefile.sources
+++ b/lib/Makefile.sources
@@ -16,6 +16,8 @@ libintel_tools_la_SOURCES = \
igt_gt.h \
igt_stats.c \
igt_stats.h \
+ igt_vc4.c \
+ igt_vc4.h \
instdone.c \
instdone.h \
intel_batchbuffer.c \
diff --git a/lib/igt_vc4.c b/lib/igt_vc4.c
new file mode 100644
index 00000000..9b8f8055
--- /dev/null
+++ b/lib/igt_vc4.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright © 2016 Broadcom
+ *
+ * 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.
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <signal.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+
+#include "drmtest.h"
+#include "igt_aux.h"
+#include "igt_core.h"
+#include "igt_vc4.h"
+#include "ioctl_wrappers.h"
+#include "intel_reg.h"
+#include "intel_chipset.h"
+#include "vc4_drm.h"
+#include "vc4_packet.h"
+
+#if NEW_CONTEXT_PARAM_NO_ERROR_CAPTURE_API
+#define LOCAL_CONTEXT_PARAM_NO_ERROR_CAPTURE 0x4
+#endif
+
+/**
+ * SECTION:igt_vc4
+ * @short_description: VC4 support library
+ * @title: VC4
+ * @include: igt.h
+ *
+ * This library provides various auxiliary helper functions for writing VC4
+ * tests.
+ */
+
+/**
+ * igt_vc4_get_cleared_bo:
+ * @size: size of the BO in bytes
+ * @clearval: u32 value that the buffer should be completely cleared with
+ *
+ * This helper returns a new BO with the given size, which has just been
+ * cleared using the render engine.
+ */
+uint32_t igt_vc4_get_cleared_bo(int fd, size_t size, uint32_t clearval)
+{
+ /* A single row will be a page. */
+ uint32_t width = 1024;
+ uint32_t height = size / (width * 4);
+ struct drm_vc4_create_bo create = {
+ .size = size,
+ };
+ struct drm_vc4_submit_cl submit = {
+ .color_write = {
+ .hindex = 0,
+ .bits = VC4_SET_FIELD(VC4_RENDER_CONFIG_FORMAT_RGBA8888,
+ VC4_RENDER_CONFIG_FORMAT),
+ },
+
+ .color_read = { .hindex = ~0 },
+ .zs_read = { .hindex = ~0 },
+ .zs_write = { .hindex = ~0 },
+ .msaa_color_write = { .hindex = ~0 },
+ .msaa_zs_write = { .hindex = ~0 },
+
+ .bo_handles = (uint64_t)(uintptr_t)&create.handle,
+ .bo_handle_count = 1,
+ .width = width,
+ .height = height,
+ .max_x_tile = ALIGN(width, 64) / 64 - 1,
+ .max_y_tile = ALIGN(height, 64) / 64 - 1,
+ .clear_color = { clearval, clearval },
+ .flags = VC4_SUBMIT_CL_USE_CLEAR_COLOR,
+ };
+
+ igt_assert_eq_u32(width * height * 4, size);
+
+ do_ioctl(fd, DRM_IOCTL_VC4_CREATE_BO, &create);
+
+ do_ioctl(fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit);
+
+ return create.handle;
+}
diff --git a/lib/igt_vc4.h b/lib/igt_vc4.h
new file mode 100644
index 00000000..46220345
--- /dev/null
+++ b/lib/igt_vc4.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright © 2016 Broadcom
+ *
+ * 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.
+ */
+
+#ifndef IGT_VC4_H
+#define IGT_VC4_H
+
+uint32_t igt_vc4_get_cleared_bo(int fd, size_t size, uint32_t clearval);
+
+#endif /* IGT_VC4_H */