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

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output: always use hardware cursors if available
master
emersion 7 years ago committed by GitHub
parent 2959fcce1a 6b3eac37f1
commit caf9f9022c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 119 additions and 146 deletions
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33
backend/drm/drm.c
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@ -538,8 +538,8 @@ static void drm_connector_transform(struct wlr_output *output,
} }
static bool drm_connector_set_cursor(struct wlr_output *output, static bool drm_connector_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height, struct wlr_texture *texture, int32_t hotspot_x, int32_t hotspot_y,
int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) { bool update_texture) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output; struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
struct wlr_drm_renderer *renderer = &drm->renderer; struct wlr_drm_renderer *renderer = &drm->renderer;
@ -568,11 +568,6 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_HEIGHT, &h); ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_HEIGHT, &h);
h = ret ? 64 : h; h = ret ? 64 : h;
if (width > w || height > h) {
wlr_log(L_INFO, "Cursor too large (max %dx%d)", (int)w, (int)h);
return false;
}
if (!init_drm_surface(&plane->surf, renderer, w, h, if (!init_drm_surface(&plane->surf, renderer, w, h,
GBM_FORMAT_ARGB8888, 0)) { GBM_FORMAT_ARGB8888, 0)) {
wlr_log(L_ERROR, "Cannot allocate cursor resources"); wlr_log(L_ERROR, "Cannot allocate cursor resources");
@ -613,14 +608,22 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
wlr_output_update_needs_swap(output); wlr_output_update_needs_swap(output);
} }
if (!update_pixels) { if (!update_texture) {
// Don't update cursor image // Don't update cursor image
return true; return true;
} }
plane->cursor_enabled = buf != NULL; plane->cursor_enabled = false;
if (texture != NULL) {
int width, height;
wlr_texture_get_size(texture, &width, &height);
if (width > (int)plane->surf.width || height > (int)plane->surf.height) {
wlr_log(L_ERROR, "Cursor too large (max %dx%d)",
(int)plane->surf.width, (int)plane->surf.height);
return false;
}
if (buf != NULL) {
uint32_t bo_width = gbm_bo_get_width(plane->cursor_bo); uint32_t bo_width = gbm_bo_get_width(plane->cursor_bo);
uint32_t bo_height = gbm_bo_get_height(plane->cursor_bo); uint32_t bo_height = gbm_bo_get_height(plane->cursor_bo);
@ -636,13 +639,6 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
struct wlr_renderer *rend = plane->surf.renderer->wlr_rend; struct wlr_renderer *rend = plane->surf.renderer->wlr_rend;
struct wlr_texture *texture = wlr_texture_from_pixels(rend,
WL_SHM_FORMAT_ARGB8888, stride, width, height, buf);
if (texture == NULL) {
wlr_log(L_ERROR, "Unable to create texture");
return false;
}
wlr_renderer_begin(rend, plane->surf.width, plane->surf.height); wlr_renderer_begin(rend, plane->surf.width, plane->surf.height);
wlr_renderer_clear(rend, (float[]){ 0.0, 0.0, 0.0, 0.0 }); wlr_renderer_clear(rend, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture(rend, texture, plane->matrix, 0, 0, 1.0f); wlr_render_texture(rend, texture, plane->matrix, 0, 0, 1.0f);
@ -653,8 +649,9 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
swap_drm_surface_buffers(&plane->surf, NULL); swap_drm_surface_buffers(&plane->surf, NULL);
wlr_texture_destroy(texture);
gbm_bo_unmap(plane->cursor_bo, bo_data); gbm_bo_unmap(plane->cursor_bo, bo_data);
plane->cursor_enabled = true;
} }
if (!drm->session->active) { if (!drm->session->active) {

10
backend/wayland/backend.c
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@ -164,8 +164,16 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
goto error_registry; 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, 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"); wlr_log(L_ERROR, "Could not initialize EGL");
goto error_egl; goto error_egl;
} }

97
backend/wayland/output.c
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@ -9,6 +9,7 @@
#include <wayland-client.h> #include <wayland-client.h>
#include <wlr/interfaces/wlr_output.h> #include <wlr/interfaces/wlr_output.h>
#include <wlr/render/wlr_renderer.h> #include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/wayland.h" #include "backend/wayland.h"
#include "util/signal.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, static bool output_set_cursor(struct wlr_output *_output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height, struct wlr_texture *texture, int32_t hotspot_x, int32_t hotspot_y,
int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) { bool update_texture) {
struct wlr_wl_output *output = struct wlr_wl_output *output =
(struct wlr_wl_output *)_output; (struct wlr_wl_output *)_output;
struct wlr_wl_backend *backend = output->backend; struct wlr_wl_backend *backend = output->backend;
@ -82,76 +83,47 @@ static bool output_set_cursor(struct wlr_output *_output,
output->cursor.hotspot_x = hotspot_x; output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y; output->cursor.hotspot_y = hotspot_y;
if (!update_pixels) { if (!update_texture) {
// Update hotspot without changing cursor image // Update hotspot without changing cursor image
update_wl_output_cursor(output); update_wl_output_cursor(output);
return true; 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) { if (output->cursor.surface == NULL) {
wlr_log(L_INFO, "cannot set cursor: no wl_shm or wl_pointer");
return false;
}
if (!output->cursor.surface) {
output->cursor.surface = 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 (texture != NULL) {
if (output->cursor.buf_size != size) { int width, height;
if (output->cursor.buffer) { wlr_texture_get_size(texture, &width, &height);
wl_buffer_destroy(output->cursor.buffer);
}
if (size > output->cursor.buf_size) { if (output->cursor.egl_window == NULL) {
if (output->cursor.pool) { output->cursor.egl_window =
wl_shm_pool_destroy(output->cursor.pool); wl_egl_window_create(surface, width, height);
output->cursor.pool = NULL;
munmap(output->cursor.data, output->cursor.buf_size);
}
} }
wl_egl_window_resize(output->cursor.egl_window, width, height, 0, 0);
if (!output->cursor.pool) { EGLSurface egl_surface =
int fd = os_create_anonymous_file(size); wlr_egl_create_surface(&backend->egl, output->cursor.egl_window);
if (fd < 0) {
wlr_log_errno(L_INFO,
"creating anonymous file for cursor buffer failed");
return false;
}
output->cursor.data = mmap(NULL, size, PROT_READ | PROT_WRITE, wlr_egl_make_current(&backend->egl, egl_surface, NULL);
MAP_SHARED, fd, 0);
if (output->cursor.data == MAP_FAILED) {
close(fd);
wlr_log_errno(L_INFO, "mmap failed");
return false;
}
output->cursor.pool = wl_shm_create_pool(backend->shm, fd, size); float matrix[9];
close(fd); wlr_matrix_projection(matrix, width, height, WL_OUTPUT_TRANSFORM_NORMAL);
}
output->cursor.buffer = wl_shm_pool_create_buffer(output->cursor.pool, wlr_renderer_begin(backend->renderer, width, height);
0, width, height, stride, WL_SHM_FORMAT_ARGB8888); wlr_renderer_clear(backend->renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });
output->cursor.buf_size = size; wlr_render_texture(backend->renderer, texture, matrix, 0, 0, 1.0);
} wlr_renderer_end(backend->renderer);
memcpy(output->cursor.data, buf, size); wlr_egl_swap_buffers(&backend->egl, egl_surface, NULL);
wl_surface_attach(output->cursor.surface, output->cursor.buffer, 0, 0); wlr_egl_destroy_surface(&backend->egl, egl_surface);
wl_surface_damage(output->cursor.surface, 0, 0, width, height); } else {
wl_surface_commit(output->cursor.surface); wl_surface_attach(surface, NULL, 0, 0);
wl_surface_commit(surface);
}
update_wl_output_cursor(output); update_wl_output_cursor(output);
return true; return true;
@ -166,16 +138,9 @@ static void output_destroy(struct wlr_output *wlr_output) {
wl_list_remove(&output->link); wl_list_remove(&output->link);
if (output->cursor.buf_size != 0) { if (output->cursor.egl_window != NULL) {
assert(output->cursor.data); wl_egl_window_destroy(output->cursor.egl_window);
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.surface) { if (output->cursor.surface) {
wl_surface_destroy(output->cursor.surface); wl_surface_destroy(output->cursor.surface);
} }

17
include/backend/wayland.h
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@ -40,25 +40,22 @@ struct wlr_wl_output {
struct wlr_output wlr_output; struct wlr_output wlr_output;
struct wlr_wl_backend *backend; struct wlr_wl_backend *backend;
struct wl_list link;
struct wl_surface *surface; struct wl_surface *surface;
struct wl_callback *frame_callback;
struct zxdg_surface_v6 *xdg_surface; struct zxdg_surface_v6 *xdg_surface;
struct zxdg_toplevel_v6 *xdg_toplevel; struct zxdg_toplevel_v6 *xdg_toplevel;
struct wl_egl_window *egl_window; struct wl_egl_window *egl_window;
struct wl_callback *frame_callback; EGLSurface egl_surface;
uint32_t enter_serial;
struct { struct {
struct wl_shm_pool *pool;
void *buffer; // actually a (client-side) struct wl_buffer *
uint32_t buf_size;
uint8_t *data;
struct wl_surface *surface; struct wl_surface *surface;
struct wl_egl_window *egl_window;
int32_t hotspot_x, hotspot_y; int32_t hotspot_x, hotspot_y;
} cursor; } cursor;
uint32_t enter_serial;
void *egl_surface;
struct wl_list link;
}; };
struct wlr_wl_input_device { struct wlr_wl_input_device {

5
include/wlr/interfaces/wlr_output.h
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@ -13,9 +13,8 @@ struct wlr_output_impl {
int32_t height, int32_t refresh); int32_t height, int32_t refresh);
void (*transform)(struct wlr_output *output, void (*transform)(struct wlr_output *output,
enum wl_output_transform transform); enum wl_output_transform transform);
bool (*set_cursor)(struct wlr_output *output, const uint8_t *buf, bool (*set_cursor)(struct wlr_output *output, struct wlr_texture *texture,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x, int32_t hotspot_y, bool update_texture);
int32_t hotspot_x, int32_t hotspot_y, bool update_pixels);
bool (*move_cursor)(struct wlr_output *output, int x, int y); bool (*move_cursor)(struct wlr_output *output, int x, int y);
void (*destroy)(struct wlr_output *output); void (*destroy)(struct wlr_output *output);
bool (*make_current)(struct wlr_output *output, int *buffer_age); bool (*make_current)(struct wlr_output *output, int *buffer_age);

97
types/wlr_output.c
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@ -245,6 +245,9 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend, void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
const struct wlr_output_impl *impl, struct wl_display *display) { const struct wlr_output_impl *impl, struct wl_display *display) {
assert(impl->make_current && impl->swap_buffers && impl->transform); assert(impl->make_current && impl->swap_buffers && impl->transform);
if (impl->set_cursor || impl->move_cursor) {
assert(impl->set_cursor && impl->move_cursor);
}
output->backend = backend; output->backend = backend;
output->impl = impl; output->impl = impl;
output->display = display; output->display = display;
@ -691,6 +694,28 @@ static void output_cursor_update_visible(struct wlr_output_cursor *cursor) {
cursor->visible = visible; cursor->visible = visible;
} }
static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
struct wlr_texture *texture = cursor->texture;
if (cursor->surface != NULL) {
texture = cursor->surface->texture;
}
struct wlr_output_cursor *hwcur = cursor->output->hardware_cursor;
if (cursor->output->impl->set_cursor && (hwcur == NULL || hwcur == cursor)) {
if (hwcur != cursor) {
assert(cursor->output->impl->move_cursor);
cursor->output->impl->move_cursor(cursor->output,
(int)cursor->x, (int)cursor->y);
}
if (cursor->output->impl->set_cursor(cursor->output, texture,
cursor->hotspot_x, cursor->hotspot_y, true)) {
cursor->output->hardware_cursor = cursor;
return true;
}
}
return false;
}
bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor, bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height, const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y) { int32_t hotspot_x, int32_t hotspot_y) {
@ -706,33 +731,26 @@ bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
cursor->hotspot_y = hotspot_y; cursor->hotspot_y = hotspot_y;
output_cursor_update_visible(cursor); output_cursor_update_visible(cursor);
struct wlr_output_cursor *hwcur = cursor->output->hardware_cursor; wlr_texture_destroy(cursor->texture);
if (cursor->output->impl->set_cursor && (hwcur == NULL || hwcur == cursor)) { cursor->texture = NULL;
if (cursor->output->impl->move_cursor && hwcur != cursor) {
cursor->output->impl->move_cursor(cursor->output, cursor->enabled = false;
(int)cursor->x, (int)cursor->y); if (pixels != NULL) {
cursor->texture = wlr_texture_from_pixels(renderer,
WL_SHM_FORMAT_ARGB8888, stride, width, height, pixels);
if (cursor->texture == NULL) {
return false;
} }
int ok = cursor->output->impl->set_cursor(cursor->output, pixels, cursor->enabled = true;
stride, width, height, hotspot_x, hotspot_y, true);
if (ok) {
cursor->output->hardware_cursor = cursor;
return true;
} }
if (output_cursor_attempt_hardware(cursor)) {
return true;
} }
wlr_log(L_DEBUG, "Falling back to software cursor"); wlr_log(L_DEBUG, "Falling back to software cursor");
output_cursor_damage_whole(cursor); output_cursor_damage_whole(cursor);
cursor->enabled = pixels != NULL;
if (!cursor->enabled) {
return true; return true;
}
wlr_texture_destroy(cursor->texture);
cursor->texture = wlr_texture_from_pixels(renderer, WL_SHM_FORMAT_ARGB8888,
stride, width, height, pixels);
return cursor->texture != NULL;
} }
static void output_cursor_commit(struct wlr_output_cursor *cursor) { static void output_cursor_commit(struct wlr_output_cursor *cursor) {
@ -745,15 +763,15 @@ static void output_cursor_commit(struct wlr_output_cursor *cursor) {
cursor->width = cursor->surface->current->width * cursor->output->scale; cursor->width = cursor->surface->current->width * cursor->output->scale;
cursor->height = cursor->surface->current->height * cursor->output->scale; cursor->height = cursor->surface->current->height * cursor->output->scale;
if (cursor->output->hardware_cursor != cursor) { if (output_cursor_attempt_hardware(cursor)) {
output_cursor_damage_whole(cursor);
} else {
// TODO: upload pixels
struct timespec now; struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now); clock_gettime(CLOCK_MONOTONIC, &now);
wlr_surface_send_frame_done(cursor->surface, &now); wlr_surface_send_frame_done(cursor->surface, &now);
return;
} }
// Fallback to software cursor
output_cursor_damage_whole(cursor);
} }
static void output_cursor_handle_commit(struct wl_listener *listener, static void output_cursor_handle_commit(struct wl_listener *listener,
@ -789,11 +807,9 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
cursor->hotspot_y = hotspot_y; cursor->hotspot_y = hotspot_y;
if (cursor->output->hardware_cursor != cursor) { if (cursor->output->hardware_cursor != cursor) {
output_cursor_damage_whole(cursor); output_cursor_damage_whole(cursor);
} } else {
assert(cursor->output->impl->set_cursor);
if (cursor->output->hardware_cursor == cursor && cursor->output->impl->set_cursor(cursor->output, NULL,
cursor->output->impl->set_cursor) {
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0,
hotspot_x, hotspot_y, false); hotspot_x, hotspot_y, false);
} }
return; return;
@ -801,15 +817,6 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
output_cursor_reset(cursor); output_cursor_reset(cursor);
// Disable hardware cursor for surfaces
// TODO: support hardware cursors
if (cursor->output->hardware_cursor == cursor &&
cursor->output->impl->set_cursor) {
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0, 0, 0,
true);
cursor->output->hardware_cursor = NULL;
}
cursor->surface = surface; cursor->surface = surface;
cursor->hotspot_x = hotspot_x; cursor->hotspot_x = hotspot_x;
cursor->hotspot_y = hotspot_y; cursor->hotspot_y = hotspot_y;
@ -826,7 +833,10 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
cursor->width = 0; cursor->width = 0;
cursor->height = 0; cursor->height = 0;
// TODO: if hardware cursor, disable cursor if (cursor->output->hardware_cursor == cursor) {
assert(cursor->output->impl->set_cursor);
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, true);
}
} }
} }
@ -857,9 +867,7 @@ bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
return true; return true;
} }
if (!cursor->output->impl->move_cursor) { assert(cursor->output->impl->move_cursor);
return false;
}
return cursor->output->impl->move_cursor(cursor->output, (int)x, (int)y); return cursor->output->impl->move_cursor(cursor->output, (int)x, (int)y);
} }
@ -889,8 +897,7 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
if (cursor->output->hardware_cursor == cursor) { if (cursor->output->hardware_cursor == cursor) {
// If this cursor was the hardware cursor, disable it // If this cursor was the hardware cursor, disable it
if (cursor->output->impl->set_cursor) { if (cursor->output->impl->set_cursor) {
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0, 0, cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, true);
0, true);
} }
cursor->output->hardware_cursor = NULL; cursor->output->hardware_cursor = NULL;
} }

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