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-rw-r--r--example/rotation.c219
1 files changed, 0 insertions, 219 deletions
diff --git a/example/rotation.c b/example/rotation.c
deleted file mode 100644
index 84137078..00000000
--- a/example/rotation.c
+++ /dev/null
@@ -1,219 +0,0 @@
-#define _POSIX_C_SOURCE 199309L
-#define _XOPEN_SOURCE 500
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include <strings.h>
-#include <unistd.h>
-#include <wayland-server.h>
-#include <wayland-server-protocol.h>
-#include <xkbcommon/xkbcommon.h>
-#include <GLES2/gl2.h>
-#include <wlr/render/matrix.h>
-#include <wlr/render/gles2.h>
-#include <wlr/render.h>
-#include <wlr/backend.h>
-#include <wlr/session.h>
-#include <wlr/types/wlr_keyboard.h>
-#include <math.h>
-#include "shared.h"
-#include "cat.h"
-
-struct sample_state {
- struct wl_list config;
- struct wlr_renderer *renderer;
- struct wlr_surface *cat_texture;
-};
-
-struct output_data {
- float x_offs, y_offs;
- float x_vel, y_vel;
-};
-
-struct output_config {
- char *name;
- enum wl_output_transform transform;
- struct wl_list link;
-};
-
-static void handle_output_frame(struct output_state *output, struct timespec *ts) {
- struct compositor_state *state = output->compositor;
- struct sample_state *sample = state->data;
- struct output_data *odata = output->data;
- struct wlr_output *wlr_output = output->output;
-
- int32_t width, height;
- wlr_output_effective_resolution(wlr_output, &width, &height);
-
- wlr_renderer_begin(sample->renderer, wlr_output);
-
- float matrix[16];
- for (int y = -128 + (int)odata->y_offs; y < height; y += 128) {
- for (int x = -128 + (int)odata->x_offs; x < width; x += 128) {
- wlr_surface_get_matrix(sample->cat_texture, &matrix,
- &wlr_output->transform_matrix, x, y);
- wlr_render_with_matrix(sample->renderer,
- sample->cat_texture, &matrix);
- }
- }
-
- wlr_renderer_end(sample->renderer);
-
- long ms = (ts->tv_sec - output->last_frame.tv_sec) * 1000 +
- (ts->tv_nsec - output->last_frame.tv_nsec) / 1000000;
- float seconds = ms / 1000.0f;
-
- odata->x_offs += odata->x_vel * seconds;
- odata->y_offs += odata->y_vel * seconds;
- if (odata->x_offs > 128) odata->x_offs = 0;
- if (odata->y_offs > 128) odata->y_offs = 0;
-}
-
-static void handle_output_add(struct output_state *output) {
- struct output_data *odata = calloc(1, sizeof(struct output_data));
- odata->x_offs = odata->y_offs = 0;
- odata->x_vel = odata->y_vel = 128;
- output->data = odata;
- struct sample_state *state = output->compositor->data;
-
- struct output_config *conf;
- wl_list_for_each(conf, &state->config, link) {
- if (strcmp(conf->name, output->output->name) == 0) {
- wlr_output_transform(output->output, conf->transform);
- break;
- }
- }
-}
-
-static void handle_output_remove(struct output_state *output) {
- free(output->data);
-}
-
-static void update_velocities(struct compositor_state *state,
- float x_diff, float y_diff) {
- struct output_state *output;
- wl_list_for_each(output, &state->outputs, link) {
- struct output_data *odata = output->data;
- odata->x_vel += x_diff;
- odata->y_vel += y_diff;
- }
-}
-
-static void handle_keyboard_key(struct keyboard_state *kbstate,
- xkb_keysym_t sym, enum wlr_key_state key_state) {
- // NOTE: It may be better to simply refer to our key state during each frame
- // and make this change in pixels/sec^2
- // Also, key repeat
- if (key_state == WLR_KEY_PRESSED) {
- switch (sym) {
- case XKB_KEY_Left:
- update_velocities(kbstate->compositor, -16, 0);
- break;
- case XKB_KEY_Right:
- update_velocities(kbstate->compositor, 16, 0);
- break;
- case XKB_KEY_Up:
- update_velocities(kbstate->compositor, 0, -16);
- break;
- case XKB_KEY_Down:
- update_velocities(kbstate->compositor, 0, 16);
- break;
- }
- }
-}
-
-static void usage(const char *name, int ret) {
- fprintf(stderr,
- "usage: %s [-d <name> [-r <rotation> | -f]]*\n"
- "\n"
- " -o <output> The name of the DRM display. e.g. DVI-I-1.\n"
- " -r <rotation> The rotation counter clockwise. Valid values are 90, 180, 270.\n"
- " -f Flip the output along the vertical axis.\n", name);
-
- exit(ret);
-}
-
-static void parse_args(int argc, char *argv[], struct wl_list *config) {
- struct output_config *oc = NULL;
-
- int c;
- while ((c = getopt(argc, argv, "o:r:fh")) != -1) {
- switch (c) {
- case 'o':
- oc = calloc(1, sizeof(*oc));
- oc->name = optarg;
- oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
- wl_list_insert(config, &oc->link);
- break;
- case 'r':
- if (!oc) {
- fprintf(stderr, "You must specify an output first\n");
- usage(argv[0], 1);
- }
-
- if (oc->transform != WL_OUTPUT_TRANSFORM_NORMAL
- && oc->transform != WL_OUTPUT_TRANSFORM_FLIPPED) {
- fprintf(stderr, "Rotation for %s already specified\n", oc->name);
- usage(argv[0], 1);
- }
-
- if (strcmp(optarg, "90") == 0) {
- oc->transform += WL_OUTPUT_TRANSFORM_90;
- } else if (strcmp(optarg, "180") == 0) {
- oc->transform += WL_OUTPUT_TRANSFORM_180;
- } else if (strcmp(optarg, "270") == 0) {
- oc->transform += WL_OUTPUT_TRANSFORM_270;
- } else {
- fprintf(stderr, "Invalid rotation '%s'\n", optarg);
- usage(argv[0], 1);
- }
- break;
- case 'f':
- if (!oc) {
- fprintf(stderr, "You must specify an output first\n");
- usage(argv[0], 1);
- }
-
- if (oc->transform >= WL_OUTPUT_TRANSFORM_FLIPPED) {
- fprintf(stderr, "Flip for %s already specified\n", oc->name);
- usage(argv[0], 1);
- }
-
- oc->transform += WL_OUTPUT_TRANSFORM_FLIPPED;
- break;
- case 'h':
- case '?':
- usage(argv[0], c != 'h');
- }
- }
-}
-
-int main(int argc, char *argv[]) {
- struct sample_state state = { 0 };
- wl_list_init(&state.config);
- parse_args(argc, argv, &state.config);
-
- struct compositor_state compositor = { 0 };
- compositor.data = &state;
- compositor.output_add_cb = handle_output_add;
- compositor.output_remove_cb = handle_output_remove;
- compositor.output_frame_cb = handle_output_frame;
- compositor.keyboard_key_cb = handle_keyboard_key;
- compositor_init(&compositor);
-
- state.renderer = wlr_gles2_renderer_init();
- state.cat_texture = wlr_render_surface_init(state.renderer);
- wlr_surface_attach_pixels(state.cat_texture, WL_SHM_FORMAT_ABGR8888,
- cat_tex.width, cat_tex.height, cat_tex.pixel_data);
-
- compositor_run(&compositor);
-
- wlr_surface_destroy(state.cat_texture);
- wlr_renderer_destroy(state.renderer);
-
- struct output_config *ptr, *tmp;
- wl_list_for_each_safe(ptr, tmp, &state.config, link) {
- free(ptr);
- }
-}
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