KMS can support a lot of different plane formats that are not being tested
by the current chamelium tests.

Add some preliminary tests to exert the RGB formats exposed by the KMS
planes.

Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
---
 tests/Makefile.am             |   1 +
 tests/Makefile.sources        |   5 +
 tests/kms_chamelium_formats.c | 305 ++++++++++++++++++++++++++++++++++++++++++
 tests/meson.build             |   1 +
 4 files changed, 312 insertions(+)
 create mode 100644 tests/kms_chamelium_formats.c

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8472a6bf0a73..becc23de895b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -17,6 +17,7 @@ endif
 if HAVE_CHAMELIUM
 TESTS_progs += \
        kms_chamelium \
+       kms_chamelium_formats \
        $(NULL)
 endif
 
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index c27226fc96c9..8476b63a245c 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -280,6 +280,11 @@ kms_chamelium_SOURCES = \
        helpers_chamelium.h \
        helpers_chamelium.c
 
+kms_chamelium_formats_SOURCES = \
+       kms_chamelium_formats.c \
+       helpers_chamelium.h \
+       helpers_chamelium.c
+
 testdisplay_SOURCES = \
        testdisplay.c \
        testdisplay.h \
diff --git a/tests/kms_chamelium_formats.c b/tests/kms_chamelium_formats.c
new file mode 100644
index 000000000000..6d61f2fa34d8
--- /dev/null
+++ b/tests/kms_chamelium_formats.c
@@ -0,0 +1,305 @@
+/*
+ * Copyright © 2016 Red Hat 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 (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:
+ *    Lyude Paul <ly...@redhat.com>
+ */
+
+#include "config.h"
+#include "helpers_chamelium.h"
+#include "igt.h"
+
+#include <fcntl.h>
+#include <pixman.h>
+#include <string.h>
+
+struct formats {
+       uint32_t                drm_fmt;
+       pixman_format_code_t    pixman_fmt;
+} formats_map[] = {
+       { DRM_FORMAT_XRGB8888, PIXMAN_x8r8g8b8 },
+       { DRM_FORMAT_ARGB8888, PIXMAN_a8r8g8b8 },
+       { DRM_FORMAT_ABGR8888, PIXMAN_a8b8g8r8 },
+       { DRM_FORMAT_RGB565, PIXMAN_r5g6b5 },
+       { DRM_FORMAT_BGR565, PIXMAN_b5g6r5 },
+       { DRM_FORMAT_ARGB1555, PIXMAN_a1r5g5b5 },
+       { DRM_FORMAT_XRGB1555, PIXMAN_x1r5g5b5 },
+};
+
+static pixman_image_t *paint_ar24_pattern(size_t width, size_t height)
+{
+       uint32_t colors[] = { 0xff000000,
+                             0xffff0000,
+                             0xff00ff00,
+                             0xff0000ff,
+                             0xffffffff };
+       unsigned i, j;
+       uint32_t *data;
+
+       data = malloc(width * height * sizeof(*data));
+       igt_assert(data);
+
+       for (i = 0; i < height; i++)
+               for (j = 0; j < width; j++)
+                       *(data + i * width + j) = colors[((j / 64) + (i / 64)) 
% 5];
+
+       return pixman_image_create_bits(PIXMAN_a8r8g8b8, width, height,
+                                       data, width * 4);
+}
+
+static void free_pattern(pixman_image_t *pattern)
+{
+       void *data = pixman_image_get_data(pattern);
+
+       pixman_image_unref(pattern);
+       free(data);
+}
+
+static pixman_image_t *pattern_to_fb(pixman_image_t *pattern, struct igt_fb 
*fb,
+                                    pixman_format_code_t pixman_fmt)
+{
+       pixman_image_t *converted;
+       void *ptr;
+
+       igt_assert(fb->is_dumb);
+
+       ptr = kmstest_dumb_map_buffer(fb->fd, fb->gem_handle, fb->size,
+                                     PROT_READ | PROT_WRITE);
+       igt_assert(ptr);
+
+       converted = pixman_image_create_bits(pixman_fmt, fb->width, fb->height,
+                                            ptr, fb->stride);
+       pixman_image_composite(PIXMAN_OP_ADD, pattern, NULL, converted,
+                              0, 0, 0, 0, 0, 0, fb->width, fb->height);
+
+       return converted;
+}
+
+static pixman_image_t *convert_frame_format(pixman_image_t *src,
+                                           int format)
+{
+       pixman_image_t *converted;
+       unsigned int w = pixman_image_get_width(src);
+       unsigned int h = pixman_image_get_height(src);
+       void *data = malloc(w * h * 4);
+
+       memset(data, 0, w * h * 4);
+       converted = pixman_image_create_bits(format, w, h, data,
+                                            PIXMAN_FORMAT_BPP(format) / 8 * w);
+       pixman_image_composite(PIXMAN_OP_ADD, src, NULL, converted,
+                              0, 0, 0, 0, 0, 0, w, h);
+       return converted;
+}
+
+#define PIXEL_MASK     0x00f8f8f8
+
+static bool format_compare_pixels(void *reference, void *frame,
+                                 size_t height, size_t width)
+{
+       uint32_t *ref_frame = reference;
+       uint32_t *new_frame = frame;
+       unsigned int h, w;
+
+       for (h = 0; h < height; h++) {
+               for (w = 0; w < width; w++) {
+                       uint32_t *ref = ref_frame + h * width + w;
+                       uint32_t m_ref = *ref & PIXEL_MASK;
+                       uint32_t *new = new_frame + h * width + w;
+                       uint32_t m_new = *new & PIXEL_MASK;
+
+                       if (m_new != m_ref) {
+                               igt_info("pix %d:%d mismatch: 0x%08x vs 
0x%08x\n",
+                                        h, w, m_ref, m_new);
+                               return false;
+                       }
+               }
+       }
+
+       return true;
+}      
+
+static bool format_compare_frames(pixman_image_t *reference,
+                                 struct chamelium_frame_dump *frame,
+                                 uint32_t format, int index)
+{
+       pixman_image_t *frame_bgr, *frame_ar24;
+       bool match;
+
+       frame_bgr = pixman_image_create_bits(PIXMAN_b8g8r8,
+                                            frame->width, frame->height,
+                                            (uint32_t *)frame->bgr,
+                                            PIXMAN_FORMAT_BPP(PIXMAN_b8g8r8) / 
8 * frame->width);
+       /*
+        * Convert the reference image into the same format as the chamelium
+        * image
+        */
+
+        frame_ar24 = convert_frame_format(frame_bgr, PIXMAN_a8r8g8b8);
+
+       match = format_compare_pixels(pixman_image_get_data(reference),
+                                     pixman_image_get_data(frame_ar24),
+                                     frame->height, frame->width);
+
+       pixman_image_unref(frame_ar24);
+       pixman_image_unref(frame_bgr);
+
+       return match;
+}
+
+static void
+test_display_frame_dump(data_t *data, struct chamelium_port *port)
+{
+       igt_output_t *output;
+       igt_plane_t *primary;
+       drmModeConnector *connector;
+       int i;
+
+       reset_state(data, port);
+
+       output = prepare_output(data, port);
+       connector = chamelium_port_get_connector(data->chamelium, port, false);
+       primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
+       igt_assert(primary);
+
+       for (i = 0; i < connector->count_modes; i++) {
+               drmModePlanePtr plane = primary->drm_plane;
+               drmModeModeInfo *mode;
+               pixman_image_t *pattern;
+               int j;
+
+               mode = &connector->modes[i];
+               if (!(mode->type & DRM_MODE_TYPE_PREFERRED))
+                       continue;
+
+               pattern = paint_ar24_pattern(mode->hdisplay, mode->vdisplay);
+               igt_assert(pattern);
+
+               for (j = 0; j < plane->count_formats; j++) {
+                       uint32_t format = plane->formats[j];
+                       struct formats *format_map = NULL;
+                       pixman_image_t *patternfb;
+                       struct igt_fb fb;
+                       int fb_id, k;
+
+                       for (k = 0; k < ARRAY_SIZE(formats_map); k++)
+                               if (formats_map[k].drm_fmt == format)
+                                       format_map = &formats_map[k];
+
+                       if (!format_map)
+                               continue;
+
+                       igt_info("Using mode %ux%u with format %s\n",
+                                mode->hdisplay, mode->vdisplay,
+                                igt_format_str(format));
+
+                       fb_id = igt_create_fb(data->drm_fd,
+                                             mode->hdisplay,
+                                             mode->vdisplay,
+                                             format_map->drm_fmt,
+                                             LOCAL_DRM_FORMAT_MOD_NONE,
+                                             &fb);
+                       igt_assert(fb_id > 0);
+
+                       patternfb = pattern_to_fb(pattern, &fb,
+                                                 format_map->pixman_fmt);
+                       enable_output(data, port, output, mode, &fb);
+                       chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 5);
+
+                       for (k = 0; k < 5; k++) {
+                               struct chamelium_frame_dump *frame;
+                               bool match;
+
+                               frame = 
chamelium_read_captured_frame(data->chamelium, k);
+                               match = format_compare_frames(pattern, frame, 
format, k);
+                               chamelium_destroy_frame_dump(frame);
+
+                               igt_info("Frame %d/5: %s\n",
+                                        k + 1, match ? "passed" : "failed");
+                       }
+
+                       pixman_image_unref(patternfb);
+                       igt_remove_fb(data->drm_fd, &fb);
+               }
+
+               free_pattern(pattern);
+       }
+
+       drmModeFreeConnector(connector);
+}
+
+#define for_each_port(p, port)            \
+       for (p = 0, port = data.ports[p]; \
+            p < data.port_count;         \
+            p++, port = data.ports[p])
+
+#define connector_subtest(name__, type__)                    \
+       igt_subtest(name__)                                  \
+               for_each_port(p, port)                       \
+                       if (chamelium_port_get_type(port) == \
+                           DRM_MODE_CONNECTOR_ ## type__)
+
+static data_t data;
+
+igt_main
+{
+       struct chamelium_port *port;
+       int edid_id, alt_edid_id, p;
+
+       igt_fixture {
+               igt_skip_on_simulation();
+
+               data.drm_fd = drm_open_driver_master(DRIVER_ANY);
+               data.chamelium = chamelium_init(data.drm_fd);
+               igt_require(data.chamelium);
+
+               data.ports = chamelium_get_ports(data.chamelium,
+                                                &data.port_count);
+
+               edid_id = chamelium_new_edid(data.chamelium,
+                                            igt_kms_get_base_edid());
+               alt_edid_id = chamelium_new_edid(data.chamelium,
+                                                igt_kms_get_alt_edid());
+               data.edid_id = edid_id;
+               data.alt_edid_id = alt_edid_id;
+
+               /* So fbcon doesn't try to reprobe things itself */
+               kmstest_set_vt_graphics_mode();
+
+               igt_display_init(&data.display, data.drm_fd);
+               igt_require(data.display.is_atomic);
+       }
+
+       igt_subtest_group {
+               igt_fixture {
+                       require_connector_present(
+                           &data, DRM_MODE_CONNECTOR_HDMIA);
+               }
+
+               connector_subtest("hdmi-frame-dump", HDMIA)
+                       test_display_frame_dump(&data, port);
+       }
+
+       igt_fixture {
+               igt_display_fini(&data.display);
+               close(data.drm_fd);
+       }
+}
diff --git a/tests/meson.build b/tests/meson.build
index 2a1e6f19e374..98365c33e3ce 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -244,6 +244,7 @@ endif
 if chamelium.found()
        test_progs += [
                'kms_chamelium',
+               'kms_chamelium_formats',
        ]
        test_deps += chamelium
 endif
-- 
2.14.3

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