forked from bartvdbraak/blender
164 lines
3.8 KiB
C++
164 lines
3.8 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __DEVICE_H__
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#define __DEVICE_H__
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#include <stdlib.h>
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#include "device_memory.h"
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#include "util_list.h"
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#include "util_string.h"
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#include "util_thread.h"
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#include "util_types.h"
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#include "util_vector.h"
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CCL_NAMESPACE_BEGIN
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class Progress;
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/* Device Types */
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enum DeviceType {
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DEVICE_NONE,
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DEVICE_CPU,
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DEVICE_OPENCL,
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DEVICE_CUDA,
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DEVICE_NETWORK,
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DEVICE_MULTI
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};
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class DeviceInfo {
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public:
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DeviceType type;
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string description;
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string id;
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int num;
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bool display_device;
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bool advanced_shading;
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vector<DeviceInfo> multi_devices;
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DeviceInfo()
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{
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type = DEVICE_CPU;
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id = "CPU";
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num = 0;
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display_device = false;
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advanced_shading = true;
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}
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};
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/* Device Task */
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class DeviceTask {
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public:
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typedef enum { PATH_TRACE, TONEMAP, SHADER } Type;
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Type type;
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int x, y, w, h;
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device_ptr rng_state;
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device_ptr rgba;
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device_ptr buffer;
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int sample;
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int resolution;
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int offset, stride;
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device_ptr shader_input;
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device_ptr shader_output;
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int shader_eval_type;
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int shader_x, shader_w;
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DeviceTask(Type type = PATH_TRACE);
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void split(list<DeviceTask>& tasks, int num);
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void split(ThreadQueue<DeviceTask>& tasks, int num);
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void split_max_size(list<DeviceTask>& tasks, int max_size);
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};
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/* Device */
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class Device {
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protected:
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Device() {}
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bool background;
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string error_msg;
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public:
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virtual ~Device() {}
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/* info */
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DeviceInfo info;
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virtual const string& error_message() { return error_msg; }
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/* regular memory */
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virtual void mem_alloc(device_memory& mem, MemoryType type) = 0;
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virtual void mem_copy_to(device_memory& mem) = 0;
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virtual void mem_copy_from(device_memory& mem,
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int y, int w, int h, int elem) = 0;
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virtual void mem_zero(device_memory& mem) = 0;
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virtual void mem_free(device_memory& mem) = 0;
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/* constant memory */
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virtual void const_copy_to(const char *name, void *host, size_t size) = 0;
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/* texture memory */
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virtual void tex_alloc(const char *name, device_memory& mem,
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bool interpolation = false, bool periodic = false) {};
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virtual void tex_free(device_memory& mem) {};
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/* pixel memory */
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virtual void pixels_alloc(device_memory& mem);
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virtual void pixels_copy_from(device_memory& mem, int y, int w, int h);
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virtual void pixels_free(device_memory& mem);
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/* open shading language, only for CPU device */
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virtual void *osl_memory() { return NULL; }
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/* load/compile kernels, must be called before adding tasks */
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virtual bool load_kernels(bool experimental) { return true; }
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/* tasks */
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virtual void task_add(DeviceTask& task) = 0;
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virtual void task_wait() = 0;
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virtual void task_cancel() = 0;
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/* opengl drawing */
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virtual void draw_pixels(device_memory& mem, int y, int w, int h,
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int dy, int width, int height, bool transparent);
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#ifdef WITH_NETWORK
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/* networking */
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void server_run();
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#endif
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/* static */
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static Device *create(DeviceInfo& info, bool background = true, int threads = 0);
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static DeviceType type_from_string(const char *name);
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static string string_from_type(DeviceType type);
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static vector<DeviceType>& available_types();
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static vector<DeviceInfo>& available_devices();
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};
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CCL_NAMESPACE_END
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#endif /* __DEVICE_H__ */
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