[igt-dev] [PATCH i-g-t v2 01/11] tests/amdgpu/amd_plane: Introduced 4K MPO test

[Stylon Wang <stylon.wang@amd.com>]

From: Victor Lu <victorchengchi.lu@amd.com>

Tests MPO using a primary plane and an overlay plane with a transparent
cutout.

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
---
 tests/amdgpu/amd_plane.c | 158 +++++++++++++++++++++++++++++++++++++++
 tests/amdgpu/meson.build |   1 +
 2 files changed, 159 insertions(+)
 create mode 100644 tests/amdgpu/amd_plane.c

diff --git a/tests/amdgpu/amd_plane.c b/tests/amdgpu/amd_plane.c
new file mode 100644
index 00000000..64273330
--- /dev/null
+++ b/tests/amdgpu/amd_plane.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "igt.h"
+
+/* Common test data. */
+typedef struct data {
+	igt_display_t display;
+	igt_plane_t *primary;
+	igt_plane_t *overlay;
+	igt_output_t *output;
+	igt_pipe_t *pipe;
+	igt_pipe_crc_t *pipe_crc;
+	drmModeModeInfo *mode;
+	enum pipe pipe_id;
+	int fd;
+	int w;
+	int h;
+} data_t;
+
+static void test_init(data_t *data)
+{
+	igt_display_t *display = &data->display;
+
+	/* It doesn't matter which pipe we choose on amdpgu. */
+	data->pipe_id = PIPE_A;
+	data->pipe = &data->display.pipes[data->pipe_id];
+
+	igt_display_reset(display);
+
+	data->output = igt_get_single_output_for_pipe(display, data->pipe_id);
+	igt_require(data->output);
+
+	data->mode = igt_output_get_mode(data->output);
+	igt_assert(data->mode);
+
+	data->primary =
+		igt_pipe_get_plane_type(data->pipe, DRM_PLANE_TYPE_PRIMARY);
+	data->overlay =
+		igt_pipe_get_plane_type(data->pipe, DRM_PLANE_TYPE_OVERLAY);
+
+	data->pipe_crc = igt_pipe_crc_new(data->fd, data->pipe_id,
+					  INTEL_PIPE_CRC_SOURCE_AUTO);
+
+	igt_output_set_pipe(data->output, data->pipe_id);
+
+	data->w = data->mode->hdisplay;
+	data->h = data->mode->vdisplay;
+}
+
+static void test_fini(data_t *data)
+{
+	igt_pipe_crc_free(data->pipe_crc);
+	igt_display_reset(&data->display);
+}
+
+static void draw_color_alpha(igt_fb_t *fb, int x, int y, int w, int h,
+		             double r, double g, double b, double a)
+{
+	cairo_t *cr = igt_get_cairo_ctx(fb->fd, fb);
+	igt_paint_color_alpha(cr, x, y, w, h, r, g, b, a);
+	igt_put_cairo_ctx(cr);
+}
+
+/*
+ * Compares a white 4K reference FB against a white 4K primary FB and a
+ * white 4K overlay with an RGBA (0, 0, 0, 0) cutout in the center.
+ */
+static void test_mpo_4k(data_t *data)
+{
+	igt_fb_t r_fb, p_fb, o_fb;
+	igt_crc_t ref_crc, new_crc;
+	igt_display_t *display = &data->display;
+	int cutout_x, cutout_y, cutout_w, cutout_h;
+
+	test_init(data);
+
+	/* Skip if not 4K resolution. */
+	igt_skip_on(!(data->mode->hdisplay == 3840 &&
+		    data->mode->vdisplay == 2160));
+
+	cutout_x = cutout_w = 1280;
+	cutout_y = cutout_h = 720;
+
+	igt_create_color_fb(data->fd, data->w, data->h, DRM_FORMAT_XRGB8888,
+			    0, 1.00, 1.00, 1.00, &r_fb);
+	igt_create_color_fb(data->fd, data->w, data->h, DRM_FORMAT_XRGB8888,
+			    0, 1.00, 1.00, 1.00, &p_fb);
+	igt_create_fb(data->fd, data->w, data->h, DRM_FORMAT_ARGB8888,
+		      0, &o_fb);
+	draw_color_alpha(&o_fb, 0, 0, o_fb.width, o_fb.height, 1.00, 1.00, 1.00, 1.00);
+	draw_color_alpha(&o_fb, cutout_x, cutout_y, cutout_w, cutout_h,
+			 0.00, 0.00, 0.00, 0.00);
+
+	igt_plane_set_fb(data->primary, &r_fb);
+	igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
+
+	igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc);
+
+	igt_plane_set_fb(data->primary, &p_fb);
+	igt_plane_set_fb(data->overlay, &o_fb);
+	igt_display_commit_atomic(display, 0, NULL);
+
+	igt_pipe_crc_collect_crc(data->pipe_crc, &new_crc);
+
+	igt_assert_crc_equal(&ref_crc, &new_crc);
+
+	test_fini(data);
+	igt_remove_fb(data->fd, &o_fb);
+	igt_remove_fb(data->fd, &p_fb);
+	igt_remove_fb(data->fd, &r_fb);
+}
+
+igt_main
+{
+	data_t data;
+
+	igt_skip_on_simulation();
+
+	memset(&data, 0, sizeof(data));
+
+	igt_fixture
+	{
+		data.fd = drm_open_driver_master(DRIVER_AMDGPU);
+
+		kmstest_set_vt_graphics_mode();
+
+		igt_display_require(&data.display, data.fd);
+		igt_require(data.display.is_atomic);
+		igt_display_require_output(&data.display);
+	}
+
+	igt_subtest("test-mpo-4k") test_mpo_4k(&data);
+
+	igt_fixture
+	{
+		igt_display_fini(&data.display);
+	}
+}
diff --git a/tests/amdgpu/meson.build b/tests/amdgpu/meson.build
index 5216e194..3531151b 100644
--- a/tests/amdgpu/meson.build
+++ b/tests/amdgpu/meson.build
@@ -17,6 +17,7 @@ if libdrm_amdgpu.found()
 			  'amd_link_settings',
 			  'amd_vrr_range',
 			  'amd_mode_switch',
+			  'amd_plane',
 			]
 	amdgpu_deps += libdrm_amdgpu
 endif
-- 
2.33.1