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#include "radeon_priv.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_double_list.h"
#include "pipebuffer/pb_buffer.h"
#include "pipebuffer/pb_bufmgr.h"
struct radeon_bo_pb {
struct pb_buffer b;
struct radeon_bo *bo;
struct radeon_bo_pbmgr *mgr;
struct list_head maplist;
};
extern const struct pb_vtbl radeon_bo_pb_vtbl;
static INLINE struct radeon_bo_pb *radeon_bo_pb(struct pb_buffer *buf)
{
assert(buf);
assert(buf->vtbl == &radeon_bo_pb_vtbl);
return (struct radeon_bo_pb *)buf;
}
struct radeon_bo_pbmgr {
struct pb_manager b;
struct radeon *radeon;
struct list_head buffer_map_list;
};
static INLINE struct radeon_bo_pbmgr *radeon_bo_pbmgr(struct pb_manager *mgr)
{
assert(mgr);
return (struct radeon_bo_pbmgr *)mgr;
}
static void radeon_bo_pb_destroy(struct pb_buffer *_buf)
{
struct radeon_bo_pb *buf = radeon_bo_pb(_buf);
if (buf->bo->data != NULL) {
LIST_DEL(&buf->maplist);
radeon_bo_unmap(buf->mgr->radeon, buf->bo);
}
radeon_bo_decref(buf->mgr->radeon, buf->bo);
FREE(buf);
}
static void *
radeon_bo_pb_map_internal(struct pb_buffer *_buf,
unsigned flags)
{
struct radeon_bo_pb *buf = radeon_bo_pb(_buf);
if (buf->bo->data != NULL)
return buf->bo->data;
if (flags & PB_USAGE_DONTBLOCK) {
uint32_t domain;
if (radeon_bo_busy(buf->mgr->radeon, buf->bo, &domain))
return NULL;
}
if (radeon_bo_map(buf->mgr->radeon, buf->bo)) {
return NULL;
}
LIST_ADDTAIL(&buf->maplist, &buf->mgr->buffer_map_list);
return buf->bo->data;
}
static void radeon_bo_pb_unmap_internal(struct pb_buffer *_buf)
{
(void)_buf;
}
static void
radeon_bo_pb_get_base_buffer(struct pb_buffer *buf,
struct pb_buffer **base_buf,
unsigned *offset)
{
*base_buf = buf;
*offset = 0;
}
static enum pipe_error
radeon_bo_pb_validate(struct pb_buffer *_buf,
struct pb_validate *vl,
unsigned flags)
{
/* Always pinned */
return PIPE_OK;
}
static void
radeon_bo_pb_fence(struct pb_buffer *buf,
struct pipe_fence_handle *fence)
{
}
const struct pb_vtbl radeon_bo_pb_vtbl = {
radeon_bo_pb_destroy,
radeon_bo_pb_map_internal,
radeon_bo_pb_unmap_internal,
radeon_bo_pb_validate,
radeon_bo_pb_fence,
radeon_bo_pb_get_base_buffer,
};
static struct pb_buffer *
radeon_bo_pb_create_buffer(struct pb_manager *_mgr,
pb_size size,
const struct pb_desc *desc)
{
struct radeon_bo_pbmgr *mgr = radeon_bo_pbmgr(_mgr);
struct radeon *radeon = mgr->radeon;
struct radeon_bo_pb *bo;
uint32_t domain;
bo = CALLOC_STRUCT(radeon_bo_pb);
if (!bo)
goto error1;
pipe_reference_init(&bo->b.base.reference, 1);
bo->b.base.alignment = desc->alignment;
bo->b.base.usage = desc->usage;
bo->b.base.size = size;
bo->b.vtbl = &radeon_bo_pb_vtbl;
bo->mgr = mgr;
LIST_INITHEAD(&bo->maplist);
bo->bo = radeon_bo(radeon, 0, size,
desc->alignment, NULL);
if (bo->bo == NULL)
goto error2;
return &bo->b;
error2:
FREE(bo);
error1:
return NULL;
}
static void
radeon_bo_pbmgr_flush(struct pb_manager *mgr)
{
/* NOP */
}
static void
radeon_bo_pbmgr_destroy(struct pb_manager *_mgr)
{
struct radeon_bo_pbmgr *mgr = radeon_bo_pbmgr(_mgr);
FREE(mgr);
}
struct pb_manager *radeon_bo_pbmgr_create(struct radeon *radeon)
{
struct radeon_bo_pbmgr *mgr;
mgr = CALLOC_STRUCT(radeon_bo_pbmgr);
if (!mgr)
return NULL;
mgr->b.destroy = radeon_bo_pbmgr_destroy;
mgr->b.create_buffer = radeon_bo_pb_create_buffer;
mgr->b.flush = radeon_bo_pbmgr_flush;
mgr->radeon = radeon;
LIST_INITHEAD(&mgr->buffer_map_list);
return &mgr->b;
}
void radeon_bo_pbmgr_flush_maps(struct pb_manager *_mgr)
{
struct radeon_bo_pbmgr *mgr = radeon_bo_pbmgr(_mgr);
struct radeon_bo_pb *rpb, *t_rpb;
LIST_FOR_EACH_ENTRY_SAFE(rpb, t_rpb, &mgr->buffer_map_list, maplist) {
radeon_bo_unmap(mgr->radeon, rpb->bo);
LIST_DEL(&rpb->maplist);
}
LIST_INITHEAD(&mgr->buffer_map_list);
}
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