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// SPDX-License-Identifier: MIT
/*
* Copyright © 2024 Arthur Grillo
*/
#include "igt.h"
#define FRAME_COUNT 100
#define NUM_FBS 2
struct rect_t {
int x, y;
int width, height;
};
struct plane_t {
igt_plane_t *base;
struct rect_t rect;
uint32_t format;
struct igt_fb fbs[NUM_FBS];
};
struct kms_t {
struct rect_t crtc;
struct plane_t primary;
struct plane_t overlay_a;
struct plane_t overlay_b;
struct plane_t writeback;
};
struct data_t {
int fd;
igt_display_t display;
igt_output_t *wb_output;
drmModeModeInfo *mode;
struct kms_t kms;
};
static void plane_setup(struct plane_t *plane, int index)
{
igt_plane_set_size(plane->base, plane->rect.width, plane->rect.height);
igt_plane_set_position(plane->base, plane->rect.x, plane->rect.y);
igt_plane_set_fb(plane->base, &plane->fbs[index]);
}
static void gen_fbs(struct data_t *data)
{
struct kms_t *kms = &data->kms;
drmModeModeInfo *mode = igt_output_get_mode(data->wb_output);
for (int i = 0; i < NUM_FBS; i++) {
igt_create_color_fb(data->fd, kms->primary.rect.width, kms->primary.rect.height,
kms->primary.format, DRM_FORMAT_MOD_LINEAR,
!i, i, i,
&kms->primary.fbs[i]);
igt_create_color_fb(data->fd, kms->overlay_a.rect.width, kms->overlay_a.rect.height,
kms->overlay_a.format, DRM_FORMAT_MOD_LINEAR,
i, !i, i,
&kms->overlay_a.fbs[i]);
igt_create_color_fb(data->fd, kms->overlay_b.rect.width, kms->overlay_b.rect.height,
kms->overlay_b.format, DRM_FORMAT_MOD_LINEAR,
i, i, !i,
&kms->overlay_b.fbs[i]);
kms->writeback.rect.width = mode->hdisplay;
kms->writeback.rect.height = mode->vdisplay;
igt_create_fb(data->fd, kms->writeback.rect.width, kms->writeback.rect.height,
kms->writeback.format, DRM_FORMAT_MOD_LINEAR,
&kms->writeback.fbs[i]);
}
}
static igt_output_t *find_wb_output(struct data_t *data)
{
for (int i = 0; i < data->display.n_outputs; i++) {
igt_output_t *output = &data->display.outputs[i];
if (output->config.connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK)
continue;
return output;
}
return NULL;
}
static void set_crtc_size(struct data_t *data)
{
drmModeModeInfo *mode;
struct rect_t *crtc = &data->kms.crtc;
for_each_connector_mode(data->wb_output) {
mode = &data->wb_output->config.connector->modes[j__];
if (mode->hdisplay == crtc->width && mode->vdisplay == crtc->height) {
igt_output_override_mode(data->wb_output, mode);
return;
}
}
igt_assert_f(0, "CRTC size %dx%d not supported\n", crtc->width, crtc->height);
}
static struct kms_t default_kms = {
.crtc = {
.width = 4096, .height = 2160,
},
.primary = {
.rect = {
.x = 101, .y = 0,
.width = 3639, .height = 2160,
},
.format = DRM_FORMAT_XRGB8888,
},
.overlay_a = {
.rect = {
.x = 201, .y = 199,
.width = 3033, .height = 1777,
},
.format = DRM_FORMAT_XRGB16161616,
},
.overlay_b = {
.rect = {
.x = 1800, .y = 250,
.width = 1507, .height = 1400,
},
.format = DRM_FORMAT_ARGB8888,
},
.writeback = {
.rect = {
.x = 0, .y = 0,
// Size is to be determined at runtime
},
.format = DRM_FORMAT_XRGB8888,
},
};
igt_simple_main
{
struct data_t data = {0};
enum pipe pipe = PIPE_NONE;
struct timespec then, now;
double elapsed;
data.kms = default_kms;
data.fd = drm_open_driver_master(DRIVER_ANY);
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_display_reset(&data.display);
data.wb_output = find_wb_output(&data);
igt_require(data.wb_output);
for_each_pipe(&data.display, pipe) {
igt_debug("Selecting pipe %s to %s\n",
kmstest_pipe_name(pipe),
igt_output_name(data.wb_output));
igt_output_set_pipe(data.wb_output, pipe);
break;
}
set_crtc_size(&data);
gen_fbs(&data);
data.kms.primary.base = igt_output_get_plane_type(data.wb_output, DRM_PLANE_TYPE_PRIMARY);
data.kms.overlay_a.base = igt_output_get_plane_type_index(data.wb_output,
DRM_PLANE_TYPE_OVERLAY, 0);
data.kms.overlay_b.base = igt_output_get_plane_type_index(data.wb_output,
DRM_PLANE_TYPE_OVERLAY, 1);
igt_assert_eq(igt_gettime(&then), 0);
for (int i = 0; i < FRAME_COUNT; i++) {
int fb_index = i % NUM_FBS;
plane_setup(&data.kms.primary, fb_index);
plane_setup(&data.kms.overlay_a, fb_index);
plane_setup(&data.kms.overlay_b, fb_index);
igt_output_set_writeback_fb(data.wb_output, &data.kms.writeback.fbs[fb_index]);
igt_display_commit2(&data.display, COMMIT_ATOMIC);
}
igt_assert_eq(igt_gettime(&now), 0);
elapsed = igt_time_elapsed(&then, &now);
igt_info("Time spent in the loop with %d frames: %lfs.\n", FRAME_COUNT, elapsed);
igt_display_fini(&data.display);
drm_close_driver(data.fd);
}
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