Fetch xcb_render_pictformat_t at startup

This commit is contained in:
emersion 2017-11-02 16:59:57 +01:00
parent 3f4ad47421
commit bb76f52640
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 35 additions and 23 deletions

View File

@ -1175,7 +1175,7 @@ static void xwm_get_visual_and_colormap(struct wlr_xwm *xwm) {
}
if (visualtype == NULL) {
wlr_log(L_DEBUG, "no 32 bit visualtype\n");
wlr_log(L_DEBUG, "No 32 bit visualtype\n");
return;
}
@ -1188,8 +1188,36 @@ static void xwm_get_visual_and_colormap(struct wlr_xwm *xwm) {
xwm->visual_id);
}
static void xwm_get_render_format(struct wlr_xwm *xwm) {
xcb_render_query_pict_formats_cookie_t cookie =
xcb_render_query_pict_formats(xwm->xcb_conn);
xcb_render_query_pict_formats_reply_t *reply =
xcb_render_query_pict_formats_reply(xwm->xcb_conn, cookie, NULL);
xcb_render_pictforminfo_t *formats =
xcb_render_query_pict_formats_formats(reply);
int len = xcb_render_query_pict_formats_formats_length(reply);
xcb_render_pictforminfo_t *format = NULL;
for (int i = 0; i < len; ++i) {
if (formats[i].depth == 32) {
format = &formats[i];
break;
}
// TODO: segfaults when not found
}
if (format == NULL) {
wlr_log(L_DEBUG, "No 32 bit render format");
return;
}
xwm->render_format_id = format->id;
}
void xwm_set_cursor(struct wlr_xwm *xwm, const uint8_t *pixels, uint32_t stride,
uint32_t width, uint32_t height, int32_t hotspot_x, int32_t hotspot_y) {
if (!xwm->render_format_id) {
wlr_log(L_ERROR, "Cannot set xwm cursor: no render format available");
return;
}
if (xwm->cursor) {
xcb_free_cursor(xwm->xcb_conn, xwm->cursor);
}
@ -1201,29 +1229,9 @@ void xwm_set_cursor(struct wlr_xwm *xwm, const uint8_t *pixels, uint32_t stride,
xcb_create_pixmap(xwm->xcb_conn, depth, pix, xwm->screen->root, width,
height);
xcb_render_query_pict_formats_cookie_t cookie =
xcb_render_query_pict_formats(xwm->xcb_conn);
xcb_generic_error_t *err = NULL;
xcb_render_query_pict_formats_reply_t *reply =
xcb_render_query_pict_formats_reply(xwm->xcb_conn, cookie, &err);
xcb_render_pictforminfo_t *formats =
xcb_render_query_pict_formats_formats(reply);
int len = xcb_render_query_pict_formats_formats_length(reply);
xcb_render_pictforminfo_t *format = NULL;
for (int i = 0; i < len; ++i) {
if (formats[i].depth == depth) {
format = &formats[i];
break;
}
// TODO: segfaults when not found
}
if (format == NULL) {
wlr_log(L_ERROR, "Cannot find %d-bit depth render format", depth);
return;
}
xcb_render_picture_t pic = xcb_generate_id(xwm->xcb_conn);
xcb_render_create_picture(xwm->xcb_conn, pic, pix, format->id, 0, 0);
xcb_render_create_picture(xwm->xcb_conn, pic, pix, xwm->render_format_id,
0, 0);
xcb_gcontext_t gc = xcb_generate_id(xwm->xcb_conn);
xcb_create_gc(xwm->xcb_conn, gc, pix, 0, NULL);
@ -1280,6 +1288,7 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
xwm_get_resources(xwm);
xwm_get_visual_and_colormap(xwm);
xwm_get_render_format(xwm);
uint32_t values[] = {
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |

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@ -1,5 +1,7 @@
#ifndef XWAYLAND_INTERNALS_H
#define XWAYLAND_INTERNALS_H
#include <xcb/render.h>
#include <wayland-server-core.h>
#include <wlr/xwayland.h>
@ -49,6 +51,7 @@ struct wlr_xwm {
xcb_window_t window;
xcb_visualid_t visual_id;
xcb_colormap_t colormap;
xcb_render_pictformat_t render_format_id;
xcb_cursor_t cursor;
struct wlr_xwayland_surface *focus_surface;