9e01abf777
lower than 1.3, since we're not officially supporting these. We're already not providing CUDA binaries for these, so better make it clear when compiling from source too.
143 lines
3.4 KiB
C++
143 lines
3.4 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_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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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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enum MemoryType {
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MEM_READ_ONLY,
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MEM_WRITE_ONLY,
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MEM_READ_WRITE
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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, DISPLACE } 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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device_ptr displace_input;
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device_ptr displace_offset;
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int displace_x, displace_w;
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DeviceTask(Type type = PATH_TRACE);
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void split(ThreadQueue<DeviceTask>& tasks, int num);
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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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virtual bool support_full_kernel() = 0;
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/* info */
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virtual string description() = 0;
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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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size_t offset, size_t size) = 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 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(DeviceType type, 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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};
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CCL_NAMESPACE_END
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#endif /* __DEVICE_H__ */
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