109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
|
|
* 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:
|
|
* Chris Wilson <chris@chris-wilson.co.uk>
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include "../bitmap.h"
|
|
|
|
#include "sna.h"
|
|
#include "sna_render.h"
|
|
#include <memory.h>
|
|
|
|
#if DEBUG_STREAM
|
|
#undef DBG
|
|
#define DBG(x) ErrorF x
|
|
#endif
|
|
|
|
int sna_static_stream_init(struct sna_static_stream *stream)
|
|
{
|
|
stream->used = 0;
|
|
stream->size = 64*1024;
|
|
|
|
stream->data = malloc(stream->size);
|
|
return stream->data != NULL;
|
|
}
|
|
|
|
static uint32_t sna_static_stream_alloc(struct sna_static_stream *stream,
|
|
uint32_t len, uint32_t align)
|
|
{
|
|
uint32_t offset = ALIGN(stream->used, align);
|
|
uint32_t size = offset + len;
|
|
|
|
if (size > stream->size) {
|
|
/*
|
|
do
|
|
stream->size *= 2;
|
|
while (stream->size < size);
|
|
|
|
stream->data = realloc(stream->data, stream->size);
|
|
*/
|
|
dbgprintf("%s: EPIC FAIL\n", __FUNCTION__);
|
|
return 0;
|
|
}
|
|
|
|
stream->used = size;
|
|
return offset;
|
|
}
|
|
|
|
uint32_t sna_static_stream_add(struct sna_static_stream *stream,
|
|
const void *data, uint32_t len, uint32_t align)
|
|
{
|
|
uint32_t offset = sna_static_stream_alloc(stream, len, align);
|
|
memcpy(stream->data + offset, data, len);
|
|
return offset;
|
|
}
|
|
|
|
void *sna_static_stream_map(struct sna_static_stream *stream,
|
|
uint32_t len, uint32_t align)
|
|
{
|
|
uint32_t offset = sna_static_stream_alloc(stream, len, align);
|
|
return memset(stream->data + offset, 0, len);
|
|
}
|
|
|
|
uint32_t sna_static_stream_offsetof(struct sna_static_stream *stream, void *ptr)
|
|
{
|
|
return (uint8_t *)ptr - stream->data;
|
|
}
|
|
|
|
|
|
struct kgem_bo *sna_static_stream_fini(struct sna *sna,
|
|
struct sna_static_stream *stream)
|
|
{
|
|
struct kgem_bo *bo;
|
|
|
|
DBG(("uploaded %d bytes of static state\n", stream->used));
|
|
|
|
bo = kgem_create_linear(&sna->kgem, stream->used);
|
|
if (bo && !kgem_bo_write(&sna->kgem, bo, stream->data, stream->used)) {
|
|
// kgem_bo_destroy(&sna->kgem, bo);
|
|
return NULL;
|
|
}
|
|
|
|
free(stream->data);
|
|
LEAVE();
|
|
return bo;
|
|
}
|