drmdevice.cpp File Reference

DRM Device. More...

#include <cerrno>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <cinttypes>
#include <vector>
#include <fcntl.h>
#include <unistd.h>
#include <assert.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <drm_fourcc.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "drmdevice.h"
#include "drmplane.h"
#include "logger.h"
#include "videorender.h"

Go to the source code of this file.

Macros
#define	MAX_DRM_DEVICES   64

Functions
static int	get_resources (int fd, drmModeRes **resources)
static int	TestCaps (int fd)
	Test drm capabilities.
static int	FindDrmDevice (drmModeRes **resources)
	Find and open a suitable device with the wanted capabilities.
static drmModeConnector *	FindDrmConnector (int fd, drmModeRes *resources)
	Find a suitable connector, preferably a connected one.
static void	drm_fb_destroy_callback (struct gbm_bo *bo, void *data)
	Callback function to destroy a drm buffer which stays in the gbm_bo's user data.
	__attribute__ ((weak)) union gbm_bo_handle gbm_bo_get_handle_for_plane(struct gbm_bo *bo
static int32_t	FindCrtcForEncoder (const drmModeRes *resources, const drmModeEncoder *encoder)
	Find the CRTC_ID for the given encoder.

Variables
PFNEGLGETPLATFORMDISPLAYEXTPROC	get_platform_display = NULL
PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC	get_platform_surface = NULL
static const EGLint	context_attribute_list []
int	plane

Detailed Description

DRM Device.

This file defines cDrmDevice, which keeps some functions to interact with the DRM (display) system.

Copyright

2018 by zille. All Rights Reserved.

2025 - 2026 by Andreas Baierl. All Rights Reserved.

License

AGPL-3.0-or-later

Definition in file drmdevice.cpp.