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/*
* Copyright © 2017 Red Hat.
* Copyright © 2017 Valve 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.
*/
#include "main/imports.h"
#include "main/mtypes.h"
#include "main/externalobjects.h"
#include "st_context.h"
#include "st_cb_memoryobjects.h"
#include "state_tracker/drm_driver.h"
#include "pipe/p_context.h"
#include "pipe/p_screen.h"
static struct gl_memory_object *
st_memoryobj_alloc(struct gl_context *ctx, GLuint name)
{
struct st_memory_object *st_obj = ST_CALLOC_STRUCT(st_memory_object);
if (!st_obj)
return NULL;
_mesa_initialize_memory_object(ctx, &st_obj->Base, name);
return &st_obj->Base;
}
static void
st_memoryobj_free(struct gl_context *ctx,
struct gl_memory_object *obj)
{
_mesa_delete_memory_object(ctx, obj);
}
static void
st_import_memoryobj_fd(struct gl_context *ctx,
struct gl_memory_object *obj,
GLuint64 size,
int fd)
{
struct st_memory_object *st_obj = st_memory_object(obj);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct winsys_handle whandle;
whandle.type = DRM_API_HANDLE_TYPE_FD;
whandle.handle = fd;
whandle.offset = 0;
whandle.layer = 0;
whandle.stride = 0;
st_obj->memory = screen->memobj_create_from_handle(screen,
&whandle,
obj->Dedicated);
#if !defined(_WIN32)
/* We own fd, but we no longer need it. So get rid of it */
close(fd);
#endif
}
void
st_init_memoryobject_functions(struct dd_function_table *functions)
{
functions->NewMemoryObject = st_memoryobj_alloc;
functions->DeleteMemoryObject = st_memoryobj_free;
functions->ImportMemoryObjectFd = st_import_memoryobj_fd;
}
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