mirror of
https://gitlab.freedesktop.org/emersion/libliftoff.git
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b08bbaa5e6
This allows callers to change only one of those, without the other. Also rename importance to priority and func to handler.
261 lines
7.7 KiB
C
261 lines
7.7 KiB
C
#include <assert.h>
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#include <unistd.h>
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#include <libliftoff.h>
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#include <stdio.h>
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#include <string.h>
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#include "libdrm_mock.h"
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static struct liftoff_layer *add_layer(struct liftoff_output *output,
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int x, int y, int width, int height)
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{
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uint32_t fb_id;
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struct liftoff_layer *layer;
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layer = liftoff_layer_create(output);
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fb_id = liftoff_mock_drm_create_fb(layer);
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liftoff_layer_set_property(layer, "FB_ID", fb_id);
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liftoff_layer_set_property(layer, "CRTC_X", x);
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liftoff_layer_set_property(layer, "CRTC_Y", y);
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liftoff_layer_set_property(layer, "CRTC_W", width);
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liftoff_layer_set_property(layer, "CRTC_H", height);
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liftoff_layer_set_property(layer, "SRC_X", 0);
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liftoff_layer_set_property(layer, "SRC_Y", 0);
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liftoff_layer_set_property(layer, "SRC_W", width << 16);
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liftoff_layer_set_property(layer, "SRC_H", height << 16);
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return layer;
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}
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static int test_prop_default(const char *prop_name)
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{
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struct liftoff_mock_plane *mock_plane_with_prop,
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*mock_plane_without_prop;
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int drm_fd;
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struct liftoff_device *device;
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struct liftoff_output *output;
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struct liftoff_layer *layer;
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drmModeAtomicReq *req;
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bool ok;
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int ret;
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mock_plane_without_prop = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
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mock_plane_with_prop = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
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/* Value that requires the prop for the plane allocation to succeed */
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uint64_t require_prop_value;
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/* Value that doesn't require the prop to be present */
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uint64_t default_value;
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if (strcmp(prop_name, "alpha") == 0) {
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require_prop_value = (uint16_t)(0.5 * 0xFFFF);
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default_value = 0xFFFF; /* opaque */
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} else if (strcmp(prop_name, "rotation") == 0) {
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require_prop_value = DRM_MODE_ROTATE_180;
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default_value = DRM_MODE_ROTATE_0;
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} else {
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fprintf(stderr, "no such test: default-%s\n", prop_name);
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return 1;
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}
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/* We need to setup mock plane properties before creating the liftoff
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* device */
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drmModePropertyRes prop = {0};
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strncpy(prop.name, prop_name, sizeof(prop.name) - 1);
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liftoff_mock_plane_add_property(mock_plane_with_prop, &prop);
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drm_fd = liftoff_mock_drm_open();
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device = liftoff_device_create(drm_fd);
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assert(device != NULL);
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output = liftoff_output_create(device, liftoff_mock_drm_crtc_id);
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layer = add_layer(output, 0, 0, 1920, 1080);
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liftoff_mock_plane_add_compatible_layer(mock_plane_without_prop, layer);
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/* First test that the layer doesn't get assigned to the plane without
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* the prop when using a non-default value */
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req = drmModeAtomicAlloc();
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liftoff_layer_set_property(layer, prop.name, require_prop_value);
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ok = liftoff_output_apply(output, req, 0);
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assert(ok);
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ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
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assert(ret == 0);
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assert(liftoff_layer_get_plane_id(layer) == 0);
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drmModeAtomicFree(req);
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/* The layer should get assigned to the plane without the prop when
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* using the default value */
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req = drmModeAtomicAlloc();
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liftoff_layer_set_property(layer, prop.name, default_value);
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ok = liftoff_output_apply(output, req, 0);
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assert(ok);
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ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
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assert(ret == 0);
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assert(liftoff_layer_get_plane_id(layer) != 0);
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drmModeAtomicFree(req);
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/* The layer should get assigned to the plane with the prop when using
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* a non-default value */
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liftoff_mock_plane_add_compatible_layer(mock_plane_with_prop, layer);
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req = drmModeAtomicAlloc();
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liftoff_layer_set_property(layer, prop.name, require_prop_value);
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ok = liftoff_output_apply(output, req, 0);
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assert(ok);
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ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
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assert(ret == 0);
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assert(liftoff_layer_get_plane_id(layer) != 0);
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drmModeAtomicFree(req);
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liftoff_device_destroy(device);
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close(drm_fd);
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return 0;
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}
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/* Checks that a fully transparent layer is ignored. */
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static int test_ignore_alpha(void)
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{
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struct liftoff_mock_plane *mock_plane;
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drmModePropertyRes prop = {0};
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int drm_fd;
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struct liftoff_device *device;
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struct liftoff_output *output;
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struct liftoff_layer *layer;
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drmModeAtomicReq *req;
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bool ok;
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int ret;
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mock_plane = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_PRIMARY);
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strncpy(prop.name, "alpha", sizeof(prop.name) - 1);
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liftoff_mock_plane_add_property(mock_plane, &prop);
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drm_fd = liftoff_mock_drm_open();
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device = liftoff_device_create(drm_fd);
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assert(device != NULL);
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output = liftoff_output_create(device, liftoff_mock_drm_crtc_id);
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layer = add_layer(output, 0, 0, 1920, 1080);
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liftoff_layer_set_property(layer, "alpha", 0); /* fully transparent */
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liftoff_mock_plane_add_compatible_layer(mock_plane, layer);
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req = drmModeAtomicAlloc();
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ok = liftoff_output_apply(output, req, 0);
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assert(ok);
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ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
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assert(ret == 0);
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assert(liftoff_mock_plane_get_layer(mock_plane) == NULL);
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drmModeAtomicFree(req);
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liftoff_device_destroy(device);
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close(drm_fd);
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return 0;
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}
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static int test_immutable_zpos(void) {
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struct liftoff_mock_plane *mock_plane1, *mock_plane2;
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drmModePropertyRes prop = {0};
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uint64_t prop_value;
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int drm_fd;
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struct liftoff_device *device;
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struct liftoff_output *output;
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struct liftoff_layer *layer1, *layer2;
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drmModeAtomicReq *req;
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bool ok;
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int ret;
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mock_plane1 = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
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mock_plane2 = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
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strncpy(prop.name, "zpos", sizeof(prop.name) - 1);
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prop.flags = DRM_MODE_PROP_IMMUTABLE;
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prop.count_values = 1;
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prop.values = &prop_value;
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/* Plane 2 is always on top of plane 1, and this is immutable */
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prop_value = 1;
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liftoff_mock_plane_add_property(mock_plane1, &prop);
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prop_value = 2;
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liftoff_mock_plane_add_property(mock_plane2, &prop);
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drm_fd = liftoff_mock_drm_open();
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device = liftoff_device_create(drm_fd);
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assert(device != NULL);
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output = liftoff_output_create(device, liftoff_mock_drm_crtc_id);
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layer1 = add_layer(output, 0, 0, 256, 256);
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layer2 = add_layer(output, 128, 128, 256, 256);
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/* All layers are compatible with all planes */
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liftoff_mock_plane_add_compatible_layer(mock_plane1, layer1);
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liftoff_mock_plane_add_compatible_layer(mock_plane1, layer2);
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liftoff_mock_plane_add_compatible_layer(mock_plane2, layer1);
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liftoff_mock_plane_add_compatible_layer(mock_plane2, layer2);
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/* Layer 2 on top of layer 1 */
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liftoff_layer_set_property(layer1, "zpos", 42);
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liftoff_layer_set_property(layer2, "zpos", 43);
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req = drmModeAtomicAlloc();
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ok = liftoff_output_apply(output, req, 0);
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assert(ok);
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ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
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assert(ret == 0);
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assert(liftoff_mock_plane_get_layer(mock_plane1) == layer1);
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assert(liftoff_mock_plane_get_layer(mock_plane2) == layer2);
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drmModeAtomicFree(req);
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/* Layer 1 on top of layer 2 */
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liftoff_layer_set_property(layer1, "zpos", 43);
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liftoff_layer_set_property(layer2, "zpos", 42);
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req = drmModeAtomicAlloc();
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ok = liftoff_output_apply(output, req, 0);
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assert(ok);
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ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
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assert(ret == 0);
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assert(liftoff_mock_plane_get_layer(mock_plane1) == layer2);
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assert(liftoff_mock_plane_get_layer(mock_plane2) == layer1);
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drmModeAtomicFree(req);
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liftoff_device_destroy(device);
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close(drm_fd);
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return 0;
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}
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int main(int argc, char *argv[]) {
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const char *test_name;
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liftoff_log_set_priority(LIFTOFF_DEBUG);
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if (argc != 2) {
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fprintf(stderr, "usage: %s <test-name>\n", argv[0]);
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return 1;
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}
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test_name = argv[1];
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const char default_test_prefix[] = "default-";
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if (strncmp(test_name, default_test_prefix,
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strlen(default_test_prefix)) == 0) {
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return test_prop_default(test_name + strlen(default_test_prefix));
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} else if (strcmp(test_name, "ignore-alpha") == 0) {
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return test_ignore_alpha();
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} else if (strcmp(test_name, "immutable-zpos") == 0) {
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return test_immutable_zpos();
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} else {
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fprintf(stderr, "no such test: %s\n", test_name);
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return 1;
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}
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}
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