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Add solid-color rendering to swaybg

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This commit is contained in:
Drew DeVault 2018-03-27 15:25:25 -04:00
parent eccf0b2598
commit 632bb948b7
11 changed files with 550 additions and 39 deletions
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27
wayland/buffers.c
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@ -50,11 +50,8 @@ static const struct wl_buffer_listener buffer_listener = {
.release = buffer_release
};
static struct buffer *create_buffer(struct window *window, struct buffer *buf,
int32_t width, int32_t height, int32_t scale, uint32_t format) {
width *= scale;
height *= scale;
static struct buffer *create_buffer(struct wl_shm *shm, struct buffer *buf,
int32_t width, int32_t height, uint32_t format) {
uint32_t stride = width * 4;
uint32_t size = stride * height;
@ -65,7 +62,7 @@ static struct buffer *create_buffer(struct window *window, struct buffer *buf,
return NULL; // never reached
}
void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
struct wl_shm_pool *pool = wl_shm_create_pool(window->registry->shm, fd, size);
struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
buf->buffer = wl_shm_pool_create_buffer(pool, 0,
width, height, stride, format);
wl_shm_pool_destroy(pool);
@ -101,34 +98,30 @@ static void destroy_buffer(struct buffer *buffer) {
memset(buffer, 0, sizeof(struct buffer));
}
struct buffer *get_next_buffer(struct window *window) {
struct pool_buffer *get_next_buffer(struct wl_shm *shm,
struct pool_buffer pool[2], uint32_t width, uint32_t height) {
struct buffer *buffer = NULL;
int i;
for (i = 0; i < 2; ++i) {
if (window->buffers[i].busy) {
for (size_t i = 0; i < sizeof(pool) / sizeof(pool[0]); ++i) {
if (buffers[i].busy) {
continue;
}
buffer = &window->buffers[i];
buffer = &buffers[i];
}
if (!buffer) {
return NULL;
}
if (buffer->width != window->width || buffer->height != window->height) {
if (buffer->width != width || buffer->height != height) {
destroy_buffer(buffer);
}
if (!buffer->buffer) {
if (!create_buffer(window, buffer,
window->width, window->height, window->scale,
if (!create_buffer(shm, buffer, width, height,
WL_SHM_FORMAT_ARGB8888)) {
return NULL;
}
}
window->cairo = buffer->cairo;
window->buffer = buffer;
return buffer;
}