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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,249 @@ | ||
| /* | ||
| Copyright 2024 Jay Sorg | ||
| 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. | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | ||
| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| NVidia Grid RandR | ||
| */ | ||
|
|
||
| #if defined(HAVE_CONFIG_H) | ||
| #include "config_ac.h" | ||
| #endif | ||
|
|
||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
|
|
||
| /* this should be before all X11 .h files */ | ||
| #include <xorg-server.h> | ||
| #include <xorgVersion.h> | ||
|
|
||
| /* all driver need this */ | ||
| #include <xf86.h> | ||
| #include <xf86_OSproc.h> | ||
|
|
||
| #include "rdp.h" | ||
| #include "rdpMisc.h" | ||
|
|
||
| #define NV_GRID_MAX_OUTPUTS 4 | ||
| #define NV_GRID_MAX_CMD 256 | ||
| #define NV_GRID_OP_MAX 16 | ||
| #define NV_GRID_END_CMD_MAX 2048 | ||
| #define NV_GRID_CMD_FILE ".xrdp_grid_xrandr.sh" | ||
|
|
||
| #define LOG_LEVEL 1 | ||
| #define LLOGLN(_level, _args) \ | ||
| do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0) | ||
|
|
||
| struct monitor_t | ||
| { | ||
| int flags; | ||
| int pad0; | ||
| int x; | ||
| int y; | ||
| int w; | ||
| int h; | ||
| }; | ||
|
|
||
| struct monitors_t | ||
| { | ||
| int monitor_count; | ||
| int pad0; | ||
| struct monitor_t monitors[NV_GRID_MAX_OUTPUTS]; | ||
| char newmodes[NV_GRID_MAX_OUTPUTS][NV_GRID_MAX_CMD]; | ||
| char addmodes[NV_GRID_MAX_OUTPUTS][NV_GRID_MAX_CMD]; | ||
| char setmodes[NV_GRID_MAX_OUTPUTS][NV_GRID_MAX_CMD]; | ||
| }; | ||
|
|
||
| struct cmd_file_t | ||
| { | ||
| char filename[NV_GRID_MAX_CMD]; | ||
| char cmd[NV_GRID_END_CMD_MAX]; | ||
| }; | ||
|
|
||
| /******************************************************************************/ | ||
| static int | ||
| rdpRandRGridUpdateCmds(struct monitors_t *monitors) | ||
| { | ||
| int index; | ||
| int x; | ||
| int y; | ||
| int w; | ||
| int h; | ||
| int clk; | ||
| char output_name[NV_GRID_OP_MAX]; | ||
|
|
||
| for (index = 0; index < NV_GRID_MAX_OUTPUTS; index++) | ||
| { | ||
| snprintf(output_name, sizeof(output_name), "DVI-D-%d", index); | ||
| if (index < monitors->monitor_count) | ||
| { | ||
| x = monitors->monitors[index].x; | ||
| y = monitors->monitors[index].y; | ||
| w = monitors->monitors[index].w; | ||
| h = monitors->monitors[index].h; | ||
| clk = w * h * 60 / 1000000; | ||
| snprintf(monitors->newmodes[index], | ||
| sizeof(monitors->newmodes[index]), | ||
| "xrandr --newmode %dx%d_%s " | ||
| "%d %d %d %d %d %d %d %d %d\n", | ||
| w, h, output_name, clk, | ||
| w, w, w, w, h, h, h, h); | ||
| snprintf(monitors->addmodes[index], | ||
| sizeof(monitors->addmodes[index]), | ||
| "xrandr --addmode %s %dx%d_%s\n", | ||
| output_name, w, h, output_name); | ||
| snprintf(monitors->setmodes[index], | ||
| sizeof(monitors->setmodes[index]), | ||
| "--output %s --mode %dx%d_%s --pos %dx%d", | ||
| output_name, w, h, output_name, x, y); | ||
| } | ||
| else | ||
| { | ||
| snprintf(monitors->setmodes[index], 256, "--output %s --off", | ||
| output_name); | ||
| } | ||
| } | ||
| return 0; | ||
| } | ||
|
|
||
| /******************************************************************************/ | ||
| static int | ||
| rdpRandRGridWriteString(int fd, const char *str) | ||
| { | ||
| int to_write; | ||
| int written; | ||
|
|
||
| to_write = strlen(str); | ||
| written = write(fd, str, to_write); | ||
| if (written != to_write) | ||
| { | ||
| LLOGLN(0, ("rdpRandRGridWriteString: write failed fd %d written %d " | ||
| "to_write %d", fd, written, to_write)); | ||
| return 1; | ||
| } | ||
| return 0; | ||
| } | ||
|
|
||
| /******************************************************************************/ | ||
| static int | ||
| rdpRandRGridUpdateRunCmds(struct monitors_t *monitors) | ||
| { | ||
| int index; | ||
| struct cmd_file_t *cmd_file; | ||
| char *env; | ||
| int fd; | ||
|
|
||
| cmd_file = g_new0(struct cmd_file_t, 1); | ||
| if (cmd_file == NULL) | ||
| { | ||
| LLOGLN(0, ("rdpRandRGridUpdateRunCmds: alloc failed")); | ||
| return 1; | ||
| } | ||
| env = getenv("HOME"); | ||
| if (env == NULL) | ||
| { | ||
| LLOGLN(0, ("rdpRandRGridUpdateRunCmds: getenv HOME failed")); | ||
| free(cmd_file); | ||
| return 1; | ||
| } | ||
| snprintf(cmd_file->filename, sizeof(cmd_file->filename), | ||
| "%s/%s", env, NV_GRID_CMD_FILE); | ||
| fd = open(cmd_file->filename, O_WRONLY | O_CREAT | O_TRUNC, | ||
| S_IRUSR | S_IWUSR); | ||
| if (fd == -1) | ||
| { | ||
| LLOGLN(0, ("rdpRandRGridUpdateRunCmds: open %s failed", | ||
| cmd_file->filename)); | ||
| free(cmd_file); | ||
| return 1; | ||
| } | ||
| rdpRandRGridWriteString(fd, "#!/bin/sh\n"); | ||
| rdpRandRGridWriteString(fd, "sleep 2\n"); | ||
| for (index = 0; index < NV_GRID_MAX_OUTPUTS; index++) | ||
| { | ||
| rdpRandRGridWriteString(fd, monitors->newmodes[index]); | ||
| } | ||
| for (index = 0; index < NV_GRID_MAX_OUTPUTS; index++) | ||
| { | ||
| rdpRandRGridWriteString(fd, monitors->addmodes[index]); | ||
| } | ||
| strcpy(cmd_file->cmd, "xrandr"); | ||
| for (index = 0; index < NV_GRID_MAX_OUTPUTS; index++) | ||
| { | ||
| strcat(cmd_file->cmd, " "); | ||
| strcat(cmd_file->cmd, monitors->setmodes[index]); | ||
| } | ||
| strcat(cmd_file->cmd, "\n"); | ||
| rdpRandRGridWriteString(fd, cmd_file->cmd); | ||
| close(fd); | ||
| snprintf(cmd_file->cmd, sizeof(cmd_file->cmd), | ||
| "sh %s&", cmd_file->filename); | ||
| LLOGLN(0, ("rdpRandRGridUpdateRunCmds: running command %s", | ||
| cmd_file->cmd)); | ||
| System(cmd_file->cmd); | ||
| free(cmd_file); | ||
| return 0; | ||
| } | ||
|
|
||
| /******************************************************************************/ | ||
| int | ||
| rdpRandRGridSetRdpOutputs(rdpPtr dev) | ||
| { | ||
| int index; | ||
| int x; | ||
| int y; | ||
| int w; | ||
| int h; | ||
| int rv; | ||
| struct monitors_t *monitors; | ||
|
|
||
| monitors = g_new0(struct monitors_t, 1); | ||
| if (monitors == NULL) | ||
| { | ||
| return 1; | ||
| } | ||
| if (dev->monitorCount > 0) | ||
| { | ||
| monitors->monitor_count = min(dev->monitorCount, NV_GRID_MAX_OUTPUTS); | ||
| for (index = 0; index < monitors->monitor_count; index++) | ||
| { | ||
| x = dev->minfo[index].left; | ||
| y = dev->minfo[index].top; | ||
| w = dev->minfo[index].right - dev->minfo[index].left + 1; | ||
| h = dev->minfo[index].bottom - dev->minfo[index].top + 1; | ||
| monitors->monitors[index].x = x; | ||
| monitors->monitors[index].y = y; | ||
| monitors->monitors[index].w = w; | ||
| monitors->monitors[index].h = h; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| monitors->monitor_count = 1; | ||
| monitors->monitors[0].w = dev->width; | ||
| monitors->monitors[0].h = dev->height; | ||
| } | ||
| rv = rdpRandRGridUpdateCmds(monitors); | ||
| if (rv == 0) | ||
| { | ||
| rv = rdpRandRGridUpdateRunCmds(monitors); | ||
| } | ||
| free(monitors); | ||
| return rv; | ||
| } |
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