0,0 → 1,117 |
/* |
* 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 "sna.h" |
#include "sna_render.h" |
#include "brw/brw.h" |
|
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); |
} |
|
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, 0); |
if (bo && !kgem_bo_write(&sna->kgem, bo, stream->data, stream->used)) { |
// kgem_bo_destroy(&sna->kgem, bo); |
return NULL; |
} |
|
free(stream->data); |
|
return bo; |
} |
unsigned |
sna_static_stream_compile_wm(struct sna *sna, |
struct sna_static_stream *stream, |
bool (*compile)(struct brw_compile *, int), |
int dispatch_width) |
{ |
struct brw_compile p; |
|
brw_compile_init(&p, sna->kgem.gen, |
sna_static_stream_map(stream, |
256*sizeof(uint32_t), 64)); |
|
if (!compile(&p, dispatch_width)) { |
stream->used -= 256*sizeof(uint32_t); |
return 0; |
} |
|
assert(p.nr_insn*sizeof(struct brw_instruction) <= 256*sizeof(uint32_t)); |
|
stream->used -= 256*sizeof(uint32_t) - p.nr_insn*sizeof(struct brw_instruction); |
return sna_static_stream_offsetof(stream, p.store); |
} |