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Fix hardware cursors scale & transform

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This commit is contained in:
emersion 2018-05-09 19:58:18 +01:00
parent 8e831cd416
commit 13098a18ea
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GPG key ID: 0FDE7BE0E88F5E48
5 changed files with 49 additions and 19 deletions
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19
backend/drm/drm.c
View file

@ -538,7 +538,8 @@ static void drm_connector_transform(struct wlr_output *output,
}
static bool drm_connector_set_cursor(struct wlr_output *output,
struct wlr_texture *texture, int32_t hotspot_x, int32_t hotspot_y,
struct wlr_texture *texture, int32_t scale,
enum wl_output_transform transform, int32_t hotspot_x, int32_t hotspot_y,
bool update_texture) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
@ -581,15 +582,12 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
return false;
}
enum wl_output_transform transform = output->transform;
wlr_matrix_projection(plane->matrix, plane->surf.width,
plane->surf.height, transform);
plane->surf.height, output->transform);
}
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_box_transform(&hotspot, transform,
wlr_box_transform(&hotspot, wlr_output_transform_invert(output->transform),
plane->surf.width, plane->surf.height, &hotspot);
if (plane->cursor_hotspot_x != hotspot.x ||
@ -617,6 +615,8 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
if (texture != NULL) {
int width, height;
wlr_texture_get_size(texture, &width, &height);
width = width * output->scale / scale;
height = height * output->scale / scale;
if (width > (int)plane->surf.width || height > (int)plane->surf.height) {
wlr_log(L_ERROR, "Cursor too large (max %dx%d)",
@ -639,9 +639,14 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
struct wlr_renderer *rend = plane->surf.renderer->wlr_rend;
struct wlr_box cursor_box = { .width = width, .height = height };
float matrix[9];
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, plane->matrix);
wlr_renderer_begin(rend, plane->surf.width, plane->surf.height);
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_with_matrix(rend, texture, matrix, 1.0);
wlr_renderer_end(rend);
wlr_renderer_read_pixels(rend, WL_SHM_FORMAT_ARGB8888, bo_stride,

33
backend/wayland/output.c
View file

@ -72,16 +72,20 @@ static void output_transform(struct wlr_output *_output,
output->wlr_output.transform = transform;
}
static bool output_set_cursor(struct wlr_output *_output,
struct wlr_texture *texture, int32_t hotspot_x, int32_t hotspot_y,
static bool output_set_cursor(struct wlr_output *wlr_output,
struct wlr_texture *texture, int32_t scale,
enum wl_output_transform transform, int32_t hotspot_x, int32_t hotspot_y,
bool update_texture) {
struct wlr_wl_output *output =
(struct wlr_wl_output *)_output;
struct wlr_wl_output *output = (struct wlr_wl_output *)wlr_output;
struct wlr_wl_backend *backend = output->backend;
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
wlr_box_transform(&hotspot, wlr_output_transform_invert(wlr_output->transform),
output->cursor.width, output->cursor.height, &hotspot);
// TODO: use output->wlr_output.transform to transform pixels and hotpot
output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y;
output->cursor.hotspot_x = hotspot.x;
output->cursor.hotspot_y = hotspot.y;
if (!update_texture) {
// Update hotspot without changing cursor image
@ -98,6 +102,11 @@ static bool output_set_cursor(struct wlr_output *_output,
if (texture != NULL) {
int width, height;
wlr_texture_get_size(texture, &width, &height);
width = width * wlr_output->scale / scale;
height = height * wlr_output->scale / scale;
output->cursor.width = width;
output->cursor.height = height;
if (output->cursor.egl_window == NULL) {
output->cursor.egl_window =
@ -110,12 +119,20 @@ static bool output_set_cursor(struct wlr_output *_output,
wlr_egl_make_current(&backend->egl, egl_surface, NULL);
struct wlr_box cursor_box = {
.width = width,
.height = height,
};
float projection[9];
wlr_matrix_projection(projection, width, height, wlr_output->transform);
float matrix[9];
wlr_matrix_projection(matrix, width, height, WL_OUTPUT_TRANSFORM_NORMAL);
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, projection);
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_render_texture_with_matrix(backend->renderer, texture, matrix, 1.0);
wlr_renderer_end(backend->renderer);
wlr_egl_swap_buffers(&backend->egl, egl_surface, NULL);

1
include/backend/wayland.h
View file

@ -55,6 +55,7 @@ struct wlr_wl_output {
struct wl_surface *surface;
struct wl_egl_window *egl_window;
int32_t hotspot_x, hotspot_y;
int32_t width, height;
} cursor;
};

1
include/wlr/interfaces/wlr_output.h
View file

@ -14,6 +14,7 @@ struct wlr_output_impl {
void (*transform)(struct wlr_output *output,
enum wl_output_transform transform);
bool (*set_cursor)(struct wlr_output *output, struct wlr_texture *texture,
int32_t scale, enum wl_output_transform transform,
int32_t hotspot_x, int32_t hotspot_y, bool update_texture);
bool (*move_cursor)(struct wlr_output *output, int x, int y);
void (*destroy)(struct wlr_output *output);

14
types/wlr_output.c
View file

@ -695,9 +695,13 @@ static void output_cursor_update_visible(struct wlr_output_cursor *cursor) {
}
static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
int32_t scale = cursor->output->scale;
enum wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
struct wlr_texture *texture = cursor->texture;
if (cursor->surface != NULL) {
texture = cursor->surface->texture;
scale = cursor->surface->current->scale;
transform = cursor->surface->current->transform;
}
struct wlr_output_cursor *hwcur = cursor->output->hardware_cursor;
@ -708,7 +712,7 @@ static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
(int)cursor->x, (int)cursor->y);
}
if (cursor->output->impl->set_cursor(cursor->output, texture,
cursor->hotspot_x, cursor->hotspot_y, true)) {
scale, transform, cursor->hotspot_x, cursor->hotspot_y, true)) {
cursor->output->hardware_cursor = cursor;
return true;
}
@ -810,7 +814,7 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
} else {
assert(cursor->output->impl->set_cursor);
cursor->output->impl->set_cursor(cursor->output, NULL,
hotspot_x, hotspot_y, false);
1, WL_OUTPUT_TRANSFORM_NORMAL, hotspot_x, hotspot_y, false);
}
return;
}
@ -835,7 +839,8 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
if (cursor->output->hardware_cursor == cursor) {
assert(cursor->output->impl->set_cursor);
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, true);
cursor->output->impl->set_cursor(cursor->output, NULL, 1,
WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, true);
}
}
}
@ -897,7 +902,8 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
if (cursor->output->hardware_cursor == cursor) {
// If this cursor was the hardware cursor, disable it
if (cursor->output->impl->set_cursor) {
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, true);
cursor->output->impl->set_cursor(cursor->output, NULL, 1,
WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, true);
}
cursor->output->hardware_cursor = NULL;
}