//
// Copyright 2012 Francisco Jerez
//
// 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 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 "core/resource.hpp"
#include "core/memory.hpp"
#include "pipe/p_screen.h"
#include "util/u_sampler.h"
#include "util/u_format.h"
using namespace clover;
namespace {
class box {
public:
box(const resource::vector &origin, const resource::vector &size) :
pipe({ (int)origin[0], (int)origin[1],
(int)origin[2], (int)size[0],
(int)size[1], (int)size[2] }) {
}
operator const pipe_box *() {
return &pipe;
}
protected:
pipe_box pipe;
};
}
resource::resource(clover::device &dev, memory_obj &obj) :
device(dev), obj(obj), pipe(NULL), offset() {
}
resource::~resource() {
}
void
resource::copy(command_queue &q, const vector &origin, const vector ®ion,
resource &src_res, const vector &src_origin) {
auto p = offset + origin;
q.pipe->resource_copy_region(q.pipe, pipe, 0, p[0], p[1], p[2],
src_res.pipe, 0,
box(src_res.offset + src_origin, region));
}
void *
resource::add_map(command_queue &q, cl_map_flags flags, bool blocking,
const vector &origin, const vector ®ion) {
maps.emplace_back(q, *this, flags, blocking, origin, region);
return maps.back();
}
void
resource::del_map(void *p) {
erase_if([&](const mapping &m) {
return static_cast<void *>(m) == p;
}, maps);
}
unsigned
resource::map_count() const {
return maps.size();
}
pipe_sampler_view *
resource::bind_sampler_view(command_queue &q) {
pipe_sampler_view info;
u_sampler_view_default_template(&info, pipe, pipe->format);
return q.pipe->create_sampler_view(q.pipe, pipe, &info);
}
void
resource::unbind_sampler_view(command_queue &q,
pipe_sampler_view *st) {
q.pipe->sampler_view_destroy(q.pipe, st);
}
pipe_surface *
resource::bind_surface(command_queue &q, bool rw) {
pipe_surface info {};
info.format = pipe->format;
info.writable = rw;
if (pipe->target == PIPE_BUFFER)
info.u.buf.last_element = pipe->width0 - 1;
return q.pipe->create_surface(q.pipe, pipe, &info);
}
void
resource::unbind_surface(command_queue &q, pipe_surface *st) {
q.pipe->surface_destroy(q.pipe, st);
}
root_resource::root_resource(clover::device &dev, memory_obj &obj,
command_queue &q, const std::string &data) :
resource(dev, obj) {
pipe_resource info {};
if (image *img = dynamic_cast<image *>(&obj)) {
info.format = translate_format(img->format());
info.width0 = img->width();
info.height0 = img->height();
info.depth0 = img->depth();
} else {
info.width0 = obj.size();
info.height0 = 1;
info.depth0 = 1;
}
info.target = translate_target(obj.type());
info.bind = (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_COMPUTE_RESOURCE |
PIPE_BIND_GLOBAL |
PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE);
pipe = dev.pipe->resource_create(dev.pipe, &info);
if (!pipe)
throw error(CL_OUT_OF_RESOURCES);
if (!data.empty()) {
box rect { {{ 0, 0, 0 }}, {{ info.width0, info.height0, info.depth0 }} };
unsigned cpp = util_format_get_blocksize(info.format);
q.pipe->transfer_inline_write(q.pipe, pipe, 0, PIPE_TRANSFER_WRITE,
rect, data.data(), cpp * info.width0,
cpp * info.width0 * info.height0);
}
}
root_resource::root_resource(clover::device &dev, memory_obj &obj,
root_resource &r) :
resource(dev, obj) {
assert(0); // XXX -- resource shared among dev and r.dev
}
root_resource::~root_resource() {
device().pipe->resource_destroy(device().pipe, pipe);
}
sub_resource::sub_resource(resource &r, const vector &offset) :
resource(r.device(), r.obj) {
this->pipe = r.pipe;
this->offset = r.offset + offset;
}
mapping::mapping(command_queue &q, resource &r,
cl_map_flags flags, bool blocking,
const resource::vector &origin,
const resource::vector ®ion) :
pctx(q.pipe) {
unsigned usage = ((flags & CL_MAP_WRITE ? PIPE_TRANSFER_WRITE : 0 ) |
(flags & CL_MAP_READ ? PIPE_TRANSFER_READ : 0 ) |
(flags & CL_MAP_WRITE_INVALIDATE_REGION ?
PIPE_TRANSFER_DISCARD_RANGE : 0) |
(!blocking ? PIPE_TRANSFER_UNSYNCHRONIZED : 0));
p = pctx->transfer_map(pctx, r.pipe, 0, usage,
box(origin + r.offset, region), &pxfer);
if (!p) {
pxfer = NULL;
throw error(CL_OUT_OF_RESOURCES);
}
}
mapping::mapping(mapping &&m) :
pctx(m.pctx), pxfer(m.pxfer), p(m.p) {
m.pctx = NULL;
m.pxfer = NULL;
m.p = NULL;
}
mapping::~mapping() {
if (pxfer) {
pctx->transfer_unmap(pctx, pxfer);
}
}
mapping &
mapping::operator=(mapping m) {
std::swap(pctx, m.pctx);
std::swap(pxfer, m.pxfer);
std::swap(p, m.p);
return *this;
}