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From d22509cd41f9d44d9e66522307e30ad4ae4bace0 Mon Sep 17 00:00:00 2001
From: Meng Mingming <mingming.meng@nxp.com>
Date: Mon, 16 Jan 2017 10:23:13 +0800
Subject: [PATCH 3/5] MGS-1783: xwld: Add clone mode support for multi display
Support more than two displays to show the same contents
Upstream Status: Inappropriate [i.MX specific]
Date: May 16, 2016
Signed-off-by: Yong Gan <yong.gan@nxp.com>
---
src/compositor-fbdev.c | 18 +++++++++++++++---
src/compositor-fbdev.h | 1 +
src/main.c | 1 +
3 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/src/compositor-fbdev.c b/src/compositor-fbdev.c
index cff9513..0a05e7d 100644
--- a/src/compositor-fbdev.c
+++ b/src/compositor-fbdev.c
@@ -61,6 +61,8 @@ struct fbdev_backend {
struct udev_input input;
int use_pixman;
int use_g2d;
+ int clone_mode;
+ char *clone_device;
uint32_t output_transform;
struct wl_listener session_listener;
NativeDisplayType display;
@@ -521,6 +523,8 @@ fbdev_output_create(struct fbdev_backend *backend,
goto out_hw_surface;
} else if(backend->use_g2d) {
const char *g2d_device = device;
+ if (backend->clone_mode)
+ g2d_device = backend->clone_device;
if (g2d_renderer->output_create(&output->base,
backend->compositor->wl_display, g2d_device) < 0) {
@@ -797,6 +801,8 @@ fbdev_backend_create(struct weston_compositor *compositor, int *argc, char *argv
backend->prev_state = WESTON_COMPOSITOR_ACTIVE;
backend->use_pixman = !(param->use_gl || param->use_g2d);
backend->use_g2d = param->use_g2d;
+ backend->clone_mode = param->clone_mode;
+ backend->clone_device = param->device;
backend->output_transform = param->output_transform;
weston_setup_vt_switch_bindings(compositor);
@@ -837,12 +843,17 @@ fbdev_backend_create(struct weston_compositor *compositor, int *argc, char *argv
displays[dispCount][k] = '\0';
dispCount++;
- for(i= 0; i < dispCount; i++){
- if (fbdev_output_create(backend, x, y, displays[i]) < 0)
+ if(backend->clone_mode){
+ if (fbdev_output_create(backend, x, y, displays[0]) < 0)
goto out_launcher;
- x += container_of(backend->compositor->output_list.prev,
+ } else {
+ for(i= 0; i < dispCount; i++){
+ if (fbdev_output_create(backend, x, y, displays[i]) < 0)
+ goto out_launcher;
+ x += container_of(backend->compositor->output_list.prev,
struct weston_output,
link)->width;
+ }
}
} else {
gl_renderer = weston_load_module("gl-renderer.so",
@@ -896,6 +907,7 @@ config_init_to_defaults(struct weston_fbdev_backend_config *config)
config->device = "/dev/fb0"; /* default frame buffer */
config->use_gl = 0;
config->use_g2d = 0;
+ config->clone_mode = 0;
config->output_transform = WL_OUTPUT_TRANSFORM_NORMAL;
}
diff --git a/src/compositor-fbdev.h b/src/compositor-fbdev.h
index 32a8598..a28ef3b 100644
--- a/src/compositor-fbdev.h
+++ b/src/compositor-fbdev.h
@@ -41,6 +41,7 @@ struct weston_fbdev_backend_config {
char *device;
int use_gl;
int use_g2d;
+ int clone_mode;
uint32_t output_transform;
};
diff --git a/src/main.c b/src/main.c
index 5d0bdc4..18fe5e0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -871,6 +871,7 @@ load_fbdev_backend(struct weston_compositor *c, char const * backend,
{ WESTON_OPTION_STRING, "device", 0, &config.device },
{ WESTON_OPTION_INTEGER, "use-gl", 0, &config.use_gl },
{ WESTON_OPTION_INTEGER, "use-g2d", 0, &config.use_g2d },
+ { WESTON_OPTION_BOOLEAN, "clone-mode", 0, &config.clone_mode },
};
parse_options(fbdev_options, ARRAY_LENGTH(fbdev_options), argc, argv);
--
2.7.4
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