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xserver/hw/kdrive/ephyr/ephyrdri.c

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/*
* Xephyr - A kdrive X server thats runs in a host X window.
* Authored by Matthew Allum <mallum@openedhand.com>
*
* Copyright © 2007 OpenedHand Ltd
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of OpenedHand Ltd not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. OpenedHand Ltd makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors:
* Dodji Seketeli <dodji@openedhand.com>
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include <X11/Xdefs.h>
#include <xcb/xf86dri.h>
#include "hostx.h"
#include "ephyrdri.h"
#define _HAVE_XALLOC_DECLS
#include "ephyrlog.h"
#include "dixstruct.h"
#include "pixmapstr.h"
#ifndef TRUE
#define TRUE 1
#endif /*TRUE*/
#ifndef FALSE
#define FALSE 0
#endif /*FALSE*/
Bool
ephyrDRIQueryDirectRenderingCapable(int a_screen, Bool *a_is_capable)
{
xcb_connection_t *conn = hostx_get_xcbconn();
Bool is_ok = FALSE;
xcb_xf86dri_query_direct_rendering_capable_cookie_t cookie;
xcb_xf86dri_query_direct_rendering_capable_reply_t *reply;
EPHYR_RETURN_VAL_IF_FAIL(a_is_capable, FALSE);
EPHYR_LOG("enter\n");
cookie = xcb_xf86dri_query_direct_rendering_capable(conn,
hostx_get_screen());
reply = xcb_xf86dri_query_direct_rendering_capable_reply(conn, cookie, NULL);
if (reply) {
is_ok = TRUE;
*a_is_capable = reply->is_capable;
free(reply);
}
EPHYR_LOG("leave. is_capable:%d, is_ok=%d\n", *a_is_capable, is_ok);
return is_ok;
}
Bool
ephyrDRIOpenConnection(int a_screen,
drm_handle_t * a_sarea, char **a_bus_id_string)
{
xcb_connection_t *conn = hostx_get_xcbconn();
Bool is_ok = FALSE;
xcb_xf86dri_open_connection_cookie_t cookie;
xcb_xf86dri_open_connection_reply_t *reply;
EPHYR_RETURN_VAL_IF_FAIL(a_bus_id_string, FALSE);
EPHYR_LOG("enter. screen:%d\n", a_screen);
cookie = xcb_xf86dri_open_connection(conn, hostx_get_screen());
reply = xcb_xf86dri_open_connection_reply(conn, cookie, NULL);
if (!reply)
goto out;
*a_sarea = reply->sarea_handle_low;
if (sizeof(drm_handle_t) == 8) {
int shift = 32;
*a_sarea |= ((drm_handle_t) reply->sarea_handle_high) << shift;
}
*a_bus_id_string = malloc(reply->bus_id_len + 1);
if (!*a_bus_id_string)
goto out;
memcpy(*a_bus_id_string, xcb_xf86dri_open_connection_bus_id(reply), reply->bus_id_len);
*a_bus_id_string[reply->bus_id_len] = '\0';
is_ok = TRUE;
out:
free(reply);
EPHYR_LOG("leave. bus_id_string:%s, is_ok:%d\n", *a_bus_id_string, is_ok);
return is_ok;
}
Bool
ephyrDRIAuthConnection(int a_screen, drm_magic_t a_magic)
{
xcb_connection_t *conn = hostx_get_xcbconn();
int screen = hostx_get_screen();
xcb_xf86dri_auth_connection_cookie_t cookie;
xcb_xf86dri_auth_connection_reply_t *reply;
Bool is_ok = FALSE;
EPHYR_LOG("enter\n");
cookie = xcb_xf86dri_auth_connection(conn, screen, a_magic);
reply = xcb_xf86dri_auth_connection_reply(conn, cookie, NULL);
is_ok = reply->authenticated;
free(reply);
EPHYR_LOG("leave. is_ok:%d\n", is_ok);
return is_ok;
}
Bool
ephyrDRICloseConnection(int a_screen)
{
xcb_connection_t *conn = hostx_get_xcbconn();
int screen = hostx_get_screen();
EPHYR_LOG("enter\n");
xcb_xf86dri_close_connection(conn, screen);
EPHYR_LOG("leave\n");
return TRUE;
}
Bool
ephyrDRIGetClientDriverName(int a_screen,
int *a_ddx_driver_major_version,
int *a_ddx_driver_minor_version,
int *a_ddx_driver_patch_version,
char **a_client_driver_name)
{
xcb_connection_t *conn = hostx_get_xcbconn();
int screen = hostx_get_screen();
xcb_xf86dri_get_client_driver_name_cookie_t cookie;
xcb_xf86dri_get_client_driver_name_reply_t *reply;
Bool is_ok = FALSE;
EPHYR_RETURN_VAL_IF_FAIL(a_ddx_driver_major_version
&& a_ddx_driver_minor_version
&& a_ddx_driver_patch_version
&& a_client_driver_name, FALSE);
EPHYR_LOG("enter\n");
cookie = xcb_xf86dri_get_client_driver_name(conn, screen);
reply = xcb_xf86dri_get_client_driver_name_reply(conn, cookie, NULL);
if (!reply)
goto out;
*a_ddx_driver_major_version = reply->client_driver_major_version;
*a_ddx_driver_minor_version = reply->client_driver_minor_version;
*a_ddx_driver_patch_version = reply->client_driver_patch_version;
*a_client_driver_name = malloc(reply->client_driver_name_len + 1);
if (!*a_client_driver_name)
goto out;
memcpy(*a_client_driver_name,
xcb_xf86dri_get_client_driver_name_client_driver_name(reply),
reply->client_driver_name_len);
(*a_client_driver_name)[reply->client_driver_name_len] = '\0';
is_ok = TRUE;
EPHYR_LOG("major:%d, minor:%d, patch:%d, name:%s\n",
*a_ddx_driver_major_version,
*a_ddx_driver_minor_version,
*a_ddx_driver_patch_version, *a_client_driver_name);
out:
free(reply);
EPHYR_LOG("leave:%d\n", is_ok);
return is_ok;
}
Bool
ephyrDRICreateContext(int a_screen,
int a_visual_id,
CARD32 ctxt_id, drm_context_t * a_hw_ctxt)
{
xcb_connection_t *conn = hostx_get_xcbconn();
int screen = hostx_get_screen();
Bool is_ok = FALSE;
xcb_xf86dri_create_context_cookie_t cookie;
xcb_xf86dri_create_context_reply_t *reply;
ctxt_id = xcb_generate_id(conn);
EPHYR_LOG("enter. screen:%d, visual:%d\n", a_screen, a_visual_id);
cookie = xcb_xf86dri_create_context(conn, screen, a_visual_id, ctxt_id);
reply = xcb_xf86dri_create_context_reply(conn, cookie, NULL);
if (!reply)
goto out;
*a_hw_ctxt = reply->hw_context;
is_ok = TRUE;
out:
free(reply);
EPHYR_LOG("leave:%d\n", is_ok);
return is_ok;
}
Bool
ephyrDRIDestroyContext(int a_screen, int a_context_id)
{
xcb_connection_t *conn = hostx_get_xcbconn ();
int screen = hostx_get_screen();
EPHYR_LOG("enter\n");
xcb_xf86dri_destroy_context(conn, screen, a_context_id);
EPHYR_LOG("leave\n");
return TRUE;
}
Bool
ephyrDRICreateDrawable(int a_screen,
int a_drawable, drm_drawable_t * a_hw_drawable)
{
Bool is_ok = FALSE;
xcb_connection_t *conn = hostx_get_xcbconn();
int screen = hostx_get_screen();
xcb_xf86dri_create_drawable_cookie_t cookie;
xcb_xf86dri_create_drawable_reply_t *reply;
EPHYR_LOG("enter\n");
cookie = xcb_xf86dri_create_drawable(conn, screen, a_drawable);
reply = xcb_xf86dri_create_drawable_reply(conn, cookie, NULL);
if (!reply)
goto out;
*a_hw_drawable = reply->hw_drawable_handle;
is_ok = TRUE;
out:
free(reply);
EPHYR_LOG("leave. is_ok:%d\n", is_ok);
return is_ok;
}
Bool
ephyrDRIDestroyDrawable(int a_screen, int a_drawable)
{
EPHYR_LOG("enter\n");
EPHYR_LOG_ERROR("not implemented yet\n");
EPHYR_LOG("leave\n");
return FALSE;
}
Bool
ephyrDRIGetDrawableInfo(int a_screen,
int a_drawable,
unsigned int *a_index,
unsigned int *a_stamp,
int *a_x,
int *a_y,
int *a_w,
int *a_h,
int *a_num_clip_rects,
drm_clip_rect_t ** a_clip_rects,
int *a_back_x,
int *a_back_y,
int *a_num_back_clip_rects,
drm_clip_rect_t ** a_back_clip_rects)
{
Bool is_ok = FALSE;
xcb_connection_t *conn = hostx_get_xcbconn();
int screen = hostx_get_screen();
xcb_xf86dri_get_drawable_info_cookie_t cookie;
xcb_xf86dri_get_drawable_info_reply_t *reply = NULL;
EphyrHostWindowAttributes attrs;
EPHYR_RETURN_VAL_IF_FAIL(a_x && a_y && a_w && a_h
&& a_num_clip_rects, FALSE);
EPHYR_LOG("enter\n");
memset(&attrs, 0, sizeof(attrs));
if (!hostx_get_window_attributes(a_drawable, &attrs)) {
EPHYR_LOG_ERROR("failed to query host window attributes\n");
goto out;
}
cookie = xcb_xf86dri_get_drawable_info(conn, screen, a_drawable);
reply = xcb_xf86dri_get_drawable_info_reply(conn, cookie, NULL);
if (!reply) {
EPHYR_LOG_ERROR ("XF86DRIGetDrawableInfo ()\n");
goto out;
}
*a_index = reply->drawable_table_index;
*a_stamp = reply->drawable_table_stamp;
*a_x = reply->drawable_origin_X;
*a_y = reply->drawable_origin_Y;
*a_w = reply->drawable_size_W;
*a_h = reply->drawable_size_H;
*a_num_clip_rects = reply->num_clip_rects;
*a_clip_rects = calloc(*a_num_clip_rects, sizeof(drm_clip_rect_t));
memcpy(*a_clip_rects, xcb_xf86dri_get_drawable_info_clip_rects(reply),
*a_num_clip_rects * sizeof(drm_clip_rect_t));
EPHYR_LOG("host x,y,w,h: (%d,%d,%d,%d)\n", *a_x, *a_y, *a_w, *a_h);
if (*a_num_clip_rects) {
free(*a_back_clip_rects);
*a_back_clip_rects = calloc(*a_num_clip_rects, sizeof(drm_clip_rect_t));
memmove(*a_back_clip_rects,
*a_clip_rects, *a_num_clip_rects * sizeof(drm_clip_rect_t));
*a_num_back_clip_rects = *a_num_clip_rects;
}
EPHYR_LOG("num back clip rects:%d, num clip rects:%d\n",
*a_num_clip_rects, *a_num_back_clip_rects);
*a_back_x = *a_x;
*a_back_y = *a_y;
*a_w = attrs.width;
*a_h = attrs.height;
is_ok = TRUE;
out:
EPHYR_LOG("leave. index:%d, stamp:%d, x,y:(%d,%d), w,y:(%d,%d)\n",
*a_index, *a_stamp, *a_x, *a_y, *a_w, *a_h);
free(reply);
return is_ok;
}
Bool
ephyrDRIGetDeviceInfo(int a_screen,
drm_handle_t * a_frame_buffer,
int *a_fb_origin,
int *a_fb_size,
int *a_fb_stride,
int *a_dev_private_size, void **a_dev_private)
{
Bool is_ok = FALSE;
xcb_connection_t *conn = hostx_get_xcbconn ();
int screen = hostx_get_screen();
xcb_xf86dri_get_device_info_cookie_t cookie;
xcb_xf86dri_get_device_info_reply_t *reply;
EPHYR_RETURN_VAL_IF_FAIL(conn, FALSE);
EPHYR_LOG("enter\n");
cookie = xcb_xf86dri_get_device_info(conn, screen);
reply = xcb_xf86dri_get_device_info_reply(conn, cookie, NULL);
if (!reply)
goto out;
*a_frame_buffer = reply->framebuffer_handle_low;
if (sizeof(drm_handle_t) == 8) {
int shift = 32;
*a_frame_buffer |= ((drm_handle_t)reply->framebuffer_handle_high) << shift;
}
*a_fb_origin = reply->framebuffer_origin_offset;
*a_fb_size = reply->framebuffer_size;
*a_fb_stride = reply->framebuffer_stride;
*a_dev_private_size = reply->device_private_size;
*a_dev_private = calloc(reply->device_private_size, 1);
if (!*a_dev_private)
goto out;
memcpy(*a_dev_private,
xcb_xf86dri_get_device_info_device_private(reply),
reply->device_private_size);
is_ok = TRUE;
out:
free(reply);
EPHYR_LOG("leave:%d\n", is_ok);
return is_ok;
}
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