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// Copyright 2012 Francisco Jerez
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#include "core/memory.hpp"
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#include "core/resource.hpp"
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#include "util/u_format.h"
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using namespace clover;
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memory_obj::memory_obj(clover::context &ctx, cl_mem_flags flags,
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size_t size, void *host_ptr) :
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context(ctx), _flags(flags),
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_size(size), _host_ptr(host_ptr) {
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if (flags & (CL_MEM_COPY_HOST_PTR | CL_MEM_USE_HOST_PTR))
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data.append((char *)host_ptr, size);
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memory_obj::~memory_obj() {
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while (_destroy_notify.size()) {
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_destroy_notify.top()();
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_destroy_notify.pop();
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memory_obj::operator==(const memory_obj &obj) const {
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memory_obj::destroy_notify(std::function<void ()> f) {
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_destroy_notify.push(f);
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memory_obj::flags() const {
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memory_obj::size() const {
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memory_obj::host_ptr() const {
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buffer::buffer(clover::context &ctx, cl_mem_flags flags,
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size_t size, void *host_ptr) :
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memory_obj(ctx, flags, size, host_ptr) {
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buffer::type() const {
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return CL_MEM_OBJECT_BUFFER;
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root_buffer::root_buffer(clover::context &ctx, cl_mem_flags flags,
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size_t size, void *host_ptr) :
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buffer(ctx, flags, size, host_ptr) {
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root_buffer::resource(command_queue &q) {
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// Create a new resource if there's none for this device yet.
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if (!resources.count(&q.device())) {
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auto r = (!resources.empty() ?
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new root_resource(q.device(), *this,
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*resources.begin()->second) :
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new root_resource(q.device(), *this, q, data));
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resources.insert(std::make_pair(&q.device(),
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std::unique_ptr<root_resource>(r)));
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return *resources.find(&q.device())->second;
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sub_buffer::sub_buffer(root_buffer &parent, cl_mem_flags flags,
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size_t offset, size_t size) :
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buffer(parent.context(), flags, size,
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(char *)parent.host_ptr() + offset),
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parent(parent), _offset(offset) {
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sub_buffer::resource(command_queue &q) {
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// Create a new resource if there's none for this device yet.
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if (!resources.count(&q.device())) {
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auto r = new sub_resource(parent().resource(q), {{ offset() }});
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resources.insert(std::make_pair(&q.device(),
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std::unique_ptr<sub_resource>(r)));
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return *resources.find(&q.device())->second;
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sub_buffer::offset() const {
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image::image(clover::context &ctx, cl_mem_flags flags,
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const cl_image_format *format,
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size_t width, size_t height, size_t depth,
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size_t row_pitch, size_t slice_pitch, size_t size,
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memory_obj(ctx, flags, size, host_ptr),
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_format(*format), _width(width), _height(height), _depth(depth),
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_row_pitch(row_pitch), _slice_pitch(slice_pitch) {
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image::resource(command_queue &q) {
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// Create a new resource if there's none for this device yet.
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if (!resources.count(&q.device())) {
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auto r = (!resources.empty() ?
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new root_resource(q.device(), *this,
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*resources.begin()->second) :
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new root_resource(q.device(), *this, q, data));
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resources.insert(std::make_pair(&q.device(),
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std::unique_ptr<root_resource>(r)));
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return *resources.find(&q.device())->second;
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image::format() const {
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image::width() const {
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image::height() const {
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image::depth() const {
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image::pixel_size() const {
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return util_format_get_blocksize(translate_format(_format));
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image::row_pitch() const {
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image::slice_pitch() const {
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image2d::image2d(clover::context &ctx, cl_mem_flags flags,
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const cl_image_format *format, size_t width,
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size_t height, size_t row_pitch,
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image(ctx, flags, format, width, height, 0,
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row_pitch, 0, height * row_pitch, host_ptr) {
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image2d::type() const {
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return CL_MEM_OBJECT_IMAGE2D;
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image3d::image3d(clover::context &ctx, cl_mem_flags flags,
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const cl_image_format *format,
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size_t width, size_t height, size_t depth,
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size_t row_pitch, size_t slice_pitch,
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image(ctx, flags, format, width, height, depth,
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row_pitch, slice_pitch, depth * slice_pitch,
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image3d::type() const {
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return CL_MEM_OBJECT_IMAGE3D;