| /* |
| * Copyright (c) 2017-2018 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * 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. |
| */ |
| |
| #ifndef __ARM_COMPUTE_GCSCHEDULER_H__ |
| #define __ARM_COMPUTE_GCSCHEDULER_H__ |
| |
| #include "arm_compute/core/GLES_COMPUTE/IGCKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class IGCKernel; |
| |
| /** Provides global access to a OpenGL ES context and command queue. */ |
| class GCScheduler |
| { |
| public: |
| /** Access the scheduler singleton. |
| * |
| * @return The scheduler |
| */ |
| static GCScheduler &get(); |
| |
| /** Initialises the context and command queue used by the scheduler to default values |
| * and sets a default device and kernel path for the @ref GCKernelLibrary. |
| */ |
| void default_init(); |
| |
| /** Schedule the execution of the passed kernel if possible. |
| * |
| * @param[in] kernel Kernel to execute. |
| * @param[in] flush (Optional) Specifies if the command queue will be flushed after running the kernel. |
| */ |
| void dispatch(IGCKernel &kernel, bool flush = true); |
| |
| /** Initialises the display and context to be used by the scheduler. |
| * |
| * @param[in] dpy The EGL display connection |
| * @param[in] ctx The EGL rendering context |
| */ |
| void init(EGLDisplay dpy, EGLContext ctx); |
| |
| /** Defines a barrier ordering memory transactions. */ |
| void memory_barrier(); |
| |
| /** Get the target GPU. |
| * |
| * @return The target GPU. |
| */ |
| GPUTarget get_target() const |
| { |
| return _target; |
| } |
| |
| /** Accessor to set target GPU to be used by the scheduler. |
| * |
| * @param[in] target The target GPU. |
| */ |
| void set_target(GPUTarget target) |
| { |
| _target = target; |
| } |
| |
| private: |
| /** Constructor */ |
| GCScheduler(); |
| /** Destructor */ |
| ~GCScheduler(); |
| /** Prevent instances of this class from being copied */ |
| GCScheduler(const GCScheduler &) = delete; |
| /** Prevent instances of this class from being copied */ |
| GCScheduler &operator=(const GCScheduler &) = delete; |
| |
| /** Set up EGL context */ |
| void setup_context(); |
| |
| /** Flag to ensure symbols initialisation is happening before Scheduler creation */ |
| static std::once_flag _initialize_symbols; |
| |
| EGLDisplay _display; /**< Underlying EGL Display. */ |
| EGLContext _context; /**< Underlying EGL Context. */ |
| |
| GPUTarget _target; |
| }; |
| } |
| #endif /* __ARM_COMPUTE_GCSCHEDULER_H__ */ |