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Add multi-monitor support to KMS/DRM.

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This commit is contained in:
Themaister 2014-04-06 15:10:39 +02:00
parent 99bc686266
commit 36575fe407
1 changed files with 29 additions and 1 deletions
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30
gfx/context/drm_egl_ctx.c
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@ -273,7 +273,10 @@ static void free_drm_resources(void)
static bool gfx_ctx_init(void *data) static bool gfx_ctx_init(void *data)
{ {
int i; int i;
unsigned monitor_index;
int gpu_index = 0; int gpu_index = 0;
unsigned monitor = max(g_settings.video.monitor_index, 1);
const char *gpu; const char *gpu;
if (g_inited) if (g_inited)
return false; return false;
@ -305,6 +308,27 @@ nextgpu:
goto nextgpu; goto nextgpu;
} }
// Enumerate all connectors.
monitor_index = 0;
RARCH_LOG("[KMS/EGL]: Found %d connectors.\n", g_resources->count_connectors);
for (i = 0; i < g_resources->count_connectors; i++)
{
drmModeConnectorPtr conn = drmModeGetConnector(g_drm_fd, g_resources->connectors[i]);
if (conn)
{
bool connected = conn->connection == DRM_MODE_CONNECTED;
RARCH_LOG("[KMS/EGL]: Connector %d connected: %s\n", i, connected ? "yes" : "no");
RARCH_LOG("[KMS/EGL]: Connector %d has %d modes.\n", i, conn->count_modes);
if (connected && conn->count_modes > 0)
{
monitor_index++;
RARCH_LOG("[KMS/EGL]: Connector %d assigned to monitor index: #%u.\n", i, monitor_index);
}
drmModeFreeConnector(conn);
}
}
monitor_index = 0;
for (i = 0; i < g_resources->count_connectors; i++) for (i = 0; i < g_resources->count_connectors; i++)
{ {
g_connector = drmModeGetConnector(g_drm_fd, g_resources->connectors[i]); g_connector = drmModeGetConnector(g_drm_fd, g_resources->connectors[i]);
@ -312,7 +336,11 @@ nextgpu:
if (!g_connector) if (!g_connector)
continue; continue;
if (g_connector->connection == DRM_MODE_CONNECTED && g_connector->count_modes > 0) if (g_connector->connection == DRM_MODE_CONNECTED && g_connector->count_modes > 0)
break; {
monitor_index++;
if (monitor_index == monitor)
break;
}
drmModeFreeConnector(g_connector); drmModeFreeConnector(g_connector);
g_connector = NULL; g_connector = NULL;