Commit 8932388d authored by Jonas Ådahl's avatar Jonas Ådahl Committed by Georges Basile Stavracas Neto

backend/native: Move some KMS utilities to its own file

They are not strictly related to any of the KMS objects, and should be
reusable without adding a dependency on the non-meta-kms-* files in
meta-kms-*.

#548
!525
parent 2238c9f1
......@@ -24,19 +24,11 @@
#include "backends/native/meta-crtc-kms.h"
#include <drm_fourcc.h>
#include <drm_mode.h>
#include "backends/meta-backend-private.h"
#include "backends/native/meta-gpu-kms.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms-plane.h"
/* added in libdrm 2.4.95 */
#ifndef DRM_FORMAT_INVALID
#define DRM_FORMAT_INVALID 0
#endif
#define ALL_TRANSFORMS_MASK ((1 << META_MONITOR_N_TRANSFORMS) - 1)
typedef struct _MetaCrtcKms
......@@ -49,39 +41,6 @@ typedef struct _MetaCrtcKms
MetaKmsPlane *primary_plane;
} MetaCrtcKms;
/**
* meta_drm_format_to_string:
* @tmp: temporary buffer
* @drm_format: DRM fourcc pixel format
*
* Returns a pointer to a string naming the given pixel format,
* usually a pointer to the temporary buffer but not always.
* Invalid formats may return nonsense names.
*
* When calling this, allocate one MetaDrmFormatBuf on the stack to
* be used as the temporary buffer.
*/
const char *
meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
uint32_t drm_format)
{
int i;
if (drm_format == DRM_FORMAT_INVALID)
return "INVALID";
G_STATIC_ASSERT (sizeof (tmp->s) == 5);
for (i = 0; i < 4; i++)
{
char c = (drm_format >> (i * 8)) & 0xff;
tmp->s[i] = g_ascii_isgraph (c) ? c : '.';
}
tmp->s[i] = 0;
return tmp->s;
}
gboolean
meta_crtc_kms_is_transform_handled (MetaCrtc *crtc,
MetaMonitorTransform transform)
......
......@@ -31,15 +31,6 @@
#include "backends/native/meta-gpu-kms.h"
#include "backends/native/meta-kms-crtc.h"
typedef struct _MetaDrmFormatBuf
{
char s[5];
} MetaDrmFormatBuf;
const char *
meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
uint32_t format);
gboolean meta_crtc_kms_is_transform_handled (MetaCrtc *crtc,
MetaMonitorTransform transform);
......
......@@ -39,6 +39,7 @@
#include "backends/native/meta-crtc-kms.h"
#include "backends/native/meta-kms-connector.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms-utils.h"
#include "backends/native/meta-kms.h"
#include "backends/native/meta-launcher.h"
#include "backends/native/meta-output-kms.h"
......@@ -523,24 +524,6 @@ meta_gpu_kms_get_mode_from_drm_mode (MetaGpuKms *gpu_kms,
return NULL;
}
float
meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *mode)
{
float refresh = 0.0;
if (mode->htotal > 0 && mode->vtotal > 0)
{
/* Calculate refresh rate in milliHz first for extra precision. */
refresh = (mode->clock * 1000000LL) / mode->htotal;
refresh += (mode->vtotal / 2);
refresh /= mode->vtotal;
if (mode->vscan > 1)
refresh /= mode->vscan;
refresh /= 1000.0;
}
return refresh;
}
static MetaCrtcMode *
create_mode (const drmModeModeInfo *drm_mode,
long mode_id)
......
......@@ -81,8 +81,6 @@ MetaCrtcMode * meta_gpu_kms_get_mode_from_drm_mode (MetaGpuKms *gpu_k
gboolean meta_drm_mode_equal (const drmModeModeInfo *one,
const drmModeModeInfo *two);
float meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *mode);
MetaGpuKmsFlipClosureContainer * meta_gpu_kms_wrap_flip_closure (MetaGpuKms *gpu_kms,
MetaCrtc *crtc,
GClosure *flip_closure);
......
/*
* Copyright (C) 2013-2019 Red Hat
* Copyright (c) 2018 DisplayLink (UK) Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "backends/native/meta-kms-utils.h"
#include <drm_fourcc.h>
#include <glib.h>
/* added in libdrm 2.4.95 */
#ifndef DRM_FORMAT_INVALID
#define DRM_FORMAT_INVALID 0
#endif
float
meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *drm_mode)
{
float refresh = 0.0;
if (drm_mode->htotal > 0 && drm_mode->vtotal > 0)
{
/* Calculate refresh rate in milliHz first for extra precision. */
refresh = (drm_mode->clock * 1000000LL) / drm_mode->htotal;
refresh += (drm_mode->vtotal / 2);
refresh /= drm_mode->vtotal;
if (drm_mode->vscan > 1)
refresh /= drm_mode->vscan;
refresh /= 1000.0;
}
return refresh;
}
/**
* meta_drm_format_to_string:
* @tmp: temporary buffer
* @drm_format: DRM fourcc pixel format
*
* Returns a pointer to a string naming the given pixel format,
* usually a pointer to the temporary buffer but not always.
* Invalid formats may return nonsense names.
*
* When calling this, allocate one MetaDrmFormatBuf on the stack to
* be used as the temporary buffer.
*/
const char *
meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
uint32_t drm_format)
{
int i;
if (drm_format == DRM_FORMAT_INVALID)
return "INVALID";
G_STATIC_ASSERT (sizeof (tmp->s) == 5);
for (i = 0; i < 4; i++)
{
char c = (drm_format >> (i * 8)) & 0xff;
tmp->s[i] = g_ascii_isgraph (c) ? c : '.';
}
tmp->s[i] = 0;
return tmp->s;
}
/*
* Copyright (C) 2018 DisplayLink (UK) Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_KMS_UTILS_H
#define META_KMS_UTILS_H
#include <stddef.h>
#include <stdint.h>
#include <xf86drmMode.h>
typedef struct _MetaDrmFormatBuf
{
char s[5];
} MetaDrmFormatBuf;
float meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *drm_mode);
const char * meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
uint32_t drm_format);
#endif /* META_KMS_UTILS_H */
......@@ -30,6 +30,7 @@
#include "backends/meta-crtc.h"
#include "backends/native/meta-kms-connector.h"
#include "backends/native/meta-kms-utils.h"
#include "backends/native/meta-crtc-kms.h"
#include "meta-default-modes.h"
......
......@@ -62,6 +62,7 @@
#include "backends/native/meta-drm-buffer-gbm.h"
#include "backends/native/meta-drm-buffer.h"
#include "backends/native/meta-gpu-kms.h"
#include "backends/native/meta-kms-utils.h"
#include "backends/native/meta-monitor-manager-kms.h"
#include "backends/native/meta-renderer-native-gles3.h"
#include "backends/native/meta-renderer-native.h"
......
......@@ -614,6 +614,8 @@ if have_native_backend
'backends/native/meta-kms-plane.h',
'backends/native/meta-kms-private.h',
'backends/native/meta-kms-types.h',
'backends/native/meta-kms-utils.c',
'backends/native/meta-kms-utils.h',
'backends/native/meta-kms.c',
'backends/native/meta-kms.h',
'backends/native/meta-renderer-native-gles3.c',
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment