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Merge pull request #936 from emersion/full-hardware-cursors

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output: always use hardware cursors if available
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emersion 2018-05-04 19:00:45 +01:00 • committed by GitHub
commit caf9f9022c
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 120 additions and 147 deletions
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10
backend/wayland/backend.c
View file

@ -164,8 +164,16 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
goto error_registry;
}
static EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, 1,
EGL_NONE,
};
if (!wlr_egl_init(&backend->egl, EGL_PLATFORM_WAYLAND_EXT,
backend->remote_display, NULL, WL_SHM_FORMAT_ARGB8888)) {
backend->remote_display, config_attribs, WL_SHM_FORMAT_ARGB8888)) {
wlr_log(L_ERROR, "Could not initialize EGL");
goto error_egl;
}

97
backend/wayland/output.c
View file

@ -9,6 +9,7 @@
#include <wayland-client.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include "backend/wayland.h"
#include "util/signal.h"
@ -72,8 +73,8 @@ static void output_transform(struct wlr_output *_output,
}
static bool output_set_cursor(struct wlr_output *_output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) {
struct wlr_texture *texture, int32_t hotspot_x, int32_t hotspot_y,
bool update_texture) {
struct wlr_wl_output *output =
(struct wlr_wl_output *)_output;
struct wlr_wl_backend *backend = output->backend;
@ -82,77 +83,48 @@ static bool output_set_cursor(struct wlr_output *_output,
output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y;
if (!update_pixels) {
if (!update_texture) {
// Update hotspot without changing cursor image
update_wl_output_cursor(output);
return true;
}
if (!buf) {
// Hide cursor
if (output->cursor.surface) {
wl_surface_destroy(output->cursor.surface);
munmap(output->cursor.data, output->cursor.buf_size);
output->cursor.surface = NULL;
output->cursor.buf_size = 0;
}
update_wl_output_cursor(output);
return true;
}
if (!backend->shm || !backend->pointer) {
wlr_log(L_INFO, "cannot set cursor: no wl_shm or wl_pointer");
return false;
}
if (!output->cursor.surface) {
if (output->cursor.surface == NULL) {
output->cursor.surface =
wl_compositor_create_surface(output->backend->compositor);
wl_compositor_create_surface(backend->compositor);
}
struct wl_surface *surface = output->cursor.surface;
uint32_t size = stride * height;
if (output->cursor.buf_size != size) {
if (output->cursor.buffer) {
wl_buffer_destroy(output->cursor.buffer);
if (texture != NULL) {
int width, height;
wlr_texture_get_size(texture, &width, &height);
if (output->cursor.egl_window == NULL) {
output->cursor.egl_window =
wl_egl_window_create(surface, width, height);
}
wl_egl_window_resize(output->cursor.egl_window, width, height, 0, 0);
if (size > output->cursor.buf_size) {
if (output->cursor.pool) {
wl_shm_pool_destroy(output->cursor.pool);
output->cursor.pool = NULL;
munmap(output->cursor.data, output->cursor.buf_size);
}
}
EGLSurface egl_surface =
wlr_egl_create_surface(&backend->egl, output->cursor.egl_window);
if (!output->cursor.pool) {
int fd = os_create_anonymous_file(size);
if (fd < 0) {
wlr_log_errno(L_INFO,
"creating anonymous file for cursor buffer failed");
return false;
}
wlr_egl_make_current(&backend->egl, egl_surface, NULL);
output->cursor.data = mmap(NULL, size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (output->cursor.data == MAP_FAILED) {
close(fd);
wlr_log_errno(L_INFO, "mmap failed");
return false;
}
float matrix[9];
wlr_matrix_projection(matrix, width, height, WL_OUTPUT_TRANSFORM_NORMAL);
output->cursor.pool = wl_shm_create_pool(backend->shm, fd, size);
close(fd);
}
wlr_renderer_begin(backend->renderer, width, height);
wlr_renderer_clear(backend->renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture(backend->renderer, texture, matrix, 0, 0, 1.0);
wlr_renderer_end(backend->renderer);
output->cursor.buffer = wl_shm_pool_create_buffer(output->cursor.pool,
0, width, height, stride, WL_SHM_FORMAT_ARGB8888);
output->cursor.buf_size = size;
wlr_egl_swap_buffers(&backend->egl, egl_surface, NULL);
wlr_egl_destroy_surface(&backend->egl, egl_surface);
} else {
wl_surface_attach(surface, NULL, 0, 0);
wl_surface_commit(surface);
}
memcpy(output->cursor.data, buf, size);
wl_surface_attach(output->cursor.surface, output->cursor.buffer, 0, 0);
wl_surface_damage(output->cursor.surface, 0, 0, width, height);
wl_surface_commit(output->cursor.surface);
update_wl_output_cursor(output);
return true;
}
@ -166,16 +138,9 @@ static void output_destroy(struct wlr_output *wlr_output) {
wl_list_remove(&output->link);
if (output->cursor.buf_size != 0) {
assert(output->cursor.data);
assert(output->cursor.buffer);
assert(output->cursor.pool);
wl_buffer_destroy(output->cursor.buffer);
munmap(output->cursor.data, output->cursor.buf_size);
wl_shm_pool_destroy(output->cursor.pool);
if (output->cursor.egl_window != NULL) {
wl_egl_window_destroy(output->cursor.egl_window);
}
if (output->cursor.surface) {
wl_surface_destroy(output->cursor.surface);
}