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/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT
* HOLDERS 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.
*
* Authors:
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#ifndef _GBM_DRI_INTERNAL_H_
#define _GBM_DRI_INTERNAL_H_
#include <xf86drm.h>
#include <string.h>
#include <sys/mman.h>
#include "gbmint.h"
#include "c11/threads.h"
#include <GL/gl.h> /* dri_interface needs GL types */
#include "GL/internal/dri_interface.h"
struct gbm_dri_surface;
struct gbm_dri_bo;
struct gbm_dri_visual {
uint32_t gbm_format;
int dri_image_format;
struct {
int red;
int green;
int blue;
int alpha;
} rgba_shifts;
struct {
unsigned int red;
unsigned int green;
unsigned int blue;
unsigned int alpha;
} rgba_sizes;
bool is_float;
};
struct gbm_dri_device {
struct gbm_device base;
void *driver;
char *driver_name; /* Name of the DRI module, without the _dri suffix */
__DRIscreen *screen;
__DRIcontext *context;
mtx_t mutex;
const __DRIcoreExtension *core;
const __DRIdri2Extension *dri2;
const __DRI2fenceExtension *fence;
const __DRIimageExtension *image;
const __DRIswrastExtension *swrast;
const __DRI2flushExtension *flush;
const __DRIconfig **driver_configs;
const __DRIextension **loader_extensions;
const __DRIextension **driver_extensions;
__DRIimage *(*lookup_image)(__DRIscreen *screen, void *image, void *data);
void *lookup_user_data;
__DRIbuffer *(*get_buffers)(__DRIdrawable * driDrawable,
int *width, int *height,
unsigned int *attachments, int count,
int *out_count, void *data);
void (*flush_front_buffer)(__DRIdrawable * driDrawable, void *data);
__DRIbuffer *(*get_buffers_with_format)(__DRIdrawable * driDrawable,
int *width, int *height,
unsigned int *attachments, int count,
int *out_count, void *data);
int (*image_get_buffers)(__DRIdrawable *driDrawable,
unsigned int format,
uint32_t *stamp,
void *loaderPrivate,
uint32_t buffer_mask,
struct __DRIimageList *buffers);
void (*swrast_put_image2)(__DRIdrawable *driDrawable,
int op,
int x,
int y,
int width,
int height,
int stride,
char *data,
void *loaderPrivate);
void (*swrast_get_image)(__DRIdrawable *driDrawable,
int x,
int y,
int width,
int height,
char *data,
void *loaderPrivate);
struct wl_drm *wl_drm;
const struct gbm_dri_visual *visual_table;
int num_visuals;
};
struct gbm_dri_bo {
struct gbm_bo base;
__DRIimage *image;
/* Used for cursors and the swrast front BO */
uint32_t handle, size;
void *map;
};
struct gbm_dri_surface {
struct gbm_surface base;
void *dri_private;
};
static inline struct gbm_dri_device *
gbm_dri_device(struct gbm_device *gbm)
{
return (struct gbm_dri_device *) gbm;
}
static inline struct gbm_dri_bo *
gbm_dri_bo(struct gbm_bo *bo)
{
return (struct gbm_dri_bo *) bo;
}
static inline struct gbm_dri_surface *
gbm_dri_surface(struct gbm_surface *surface)
{
return (struct gbm_dri_surface *) surface;
}
static inline void *
gbm_dri_bo_map_dumb(struct gbm_dri_bo *bo)
{
struct drm_mode_map_dumb map_arg;
int ret;
if (bo->image != NULL)
return NULL;
if (bo->map != NULL)
return bo->map;
memset(&map_arg, 0, sizeof(map_arg));
map_arg.handle = bo->handle;
ret = drmIoctl(bo->base.gbm->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
if (ret)
return NULL;
bo->map = mmap(0, bo->size, PROT_WRITE,
MAP_SHARED, bo->base.gbm->fd, map_arg.offset);
if (bo->map == MAP_FAILED) {
bo->map = NULL;
return NULL;
}
return bo->map;
}
static inline void
gbm_dri_bo_unmap_dumb(struct gbm_dri_bo *bo)
{
munmap(bo->map, bo->size);
bo->map = NULL;
}
#endif
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