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tests: drm-writeback-screenshot: Test client dmabuf support

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Which is not supported with Pixman, thus test the GL and VK renderers.

This ensures the code-path for directly forwarding client-allocated
dmabufs to the writeback connector works as expected.

Signed-off-by: Robert Mader <robert.mader@collabora.com>
This commit is contained in:
Robert Mader 2025-07-18 12:15:49 +02:00
parent e6b67d2c72
commit 722f0a2664
1 changed files with 32 additions and 6 deletions
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38
tests/drm-writeback-screenshot-test.c
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@ -30,14 +30,38 @@
#include "weston-output-capture-client-protocol.h"
#include "weston-test-assert.h"
struct setup_args {
struct fixture_metadata meta;
enum weston_renderer_type renderer;
enum client_buffer_type buffer_type;
};
static const struct setup_args my_setup_args[] = {
{
.meta.name = "Pixman",
.renderer = WESTON_RENDERER_PIXMAN,
.buffer_type = CLIENT_BUFFER_TYPE_SHM,
},
{
.meta.name = "GL - dmabuf",
.renderer = WESTON_RENDERER_GL,
.buffer_type = CLIENT_BUFFER_TYPE_DMABUF,
},
{
.meta.name = "Vulkan - dmabuf",
.renderer = WESTON_RENDERER_VULKAN,
.buffer_type = CLIENT_BUFFER_TYPE_DMABUF,
},
};
static enum test_result_code
fixture_setup(struct weston_test_harness *harness)
fixture_setup(struct weston_test_harness *harness, const struct setup_args *arg)
{
struct compositor_setup setup;
compositor_setup_defaults(&setup);
setup.backend = WESTON_BACKEND_DRM;
setup.renderer = WESTON_RENDERER_PIXMAN;
setup.renderer = arg->renderer;
setup.shell = SHELL_TEST_DESKTOP;
setup.logging_scopes = "log,drm-backend";
@ -47,7 +71,7 @@ fixture_setup(struct weston_test_harness *harness)
return weston_test_harness_execute_as_client(harness, &setup);
}
DECLARE_FIXTURE_SETUP(fixture_setup);
DECLARE_FIXTURE_SETUP_WITH_ARG(fixture_setup, my_setup_args, meta);
static void
draw_stuff(pixman_image_t *image)
@ -79,7 +103,7 @@ draw_stuff(pixman_image_t *image)
}
TEST(drm_writeback_screenshot) {
const struct setup_args *args = &my_setup_args[get_test_fixture_index()];
struct client *client;
struct buffer *buffer;
struct buffer *buffer_for_second_screenshot;
@ -116,7 +140,7 @@ TEST(drm_writeback_screenshot) {
testlog("Taking a screenshot\n");
screenshot = client_capture_output(client, client->output,
WESTON_CAPTURE_V1_SOURCE_WRITEBACK,
CLIENT_BUFFER_TYPE_SHM);
args->buffer_type);
test_assert_ptr_not_null(screenshot);
buffer_destroy(screenshot);
@ -135,7 +159,7 @@ TEST(drm_writeback_screenshot) {
testlog("Taking another screenshot\n");
second_screenshot = client_capture_output(client, client->output,
WESTON_CAPTURE_V1_SOURCE_WRITEBACK,
CLIENT_BUFFER_TYPE_SHM);
args->buffer_type);
test_assert_ptr_not_null(screenshot);
/* load reference image */
@ -151,6 +175,7 @@ TEST(drm_writeback_screenshot) {
clip.y = 100;
clip.width = 100;
clip.height = 100;
client_buffer_util_maybe_sync_dmabuf_start(second_screenshot->buf);
match = check_images_match(second_screenshot->image, reference, &clip, NULL);
testlog("Screenshot %s reference image\n", match? "equal to" : "different from");
if (!match) {
@ -160,6 +185,7 @@ TEST(drm_writeback_screenshot) {
pixman_image_unref(diffimg);
free(fname);
}
client_buffer_util_maybe_sync_dmabuf_end(second_screenshot->buf);
pixman_image_unref(reference);
buffer_destroy(second_screenshot);