Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 1 | /* |
Georgios Pinitas | 40f51a6 | 2020-11-21 03:04:18 +0000 | [diff] [blame] | 2 | * Copyright (c) 2018-2020 Arm Limited. |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/runtime/GLES_COMPUTE/GCBufferAllocator.h" |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #include "arm_compute/core/GLES_COMPUTE/OpenGLES.h" |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 28 | #include "arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h" |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 29 | |
| 30 | #include <cstddef> |
| 31 | |
Georgios Pinitas | ceff0f9 | 2018-03-19 19:57:01 +0000 | [diff] [blame] | 32 | namespace arm_compute |
| 33 | { |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 34 | void *GCBufferAllocator::allocate(size_t size, size_t alignment) |
| 35 | { |
| 36 | ARM_COMPUTE_UNUSED(alignment); |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 37 | |
| 38 | auto *gl_ssbo_name = new GLuint; |
| 39 | ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, *gl_ssbo_name)); |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 40 | ARM_COMPUTE_GL_CHECK(glBufferData(GL_SHADER_STORAGE_BUFFER, static_cast<GLsizeiptr>(size), nullptr, GL_STATIC_DRAW)); |
| 41 | ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0)); |
| 42 | |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 43 | return reinterpret_cast<void *>(gl_ssbo_name); |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | void GCBufferAllocator::free(void *ptr) |
| 47 | { |
| 48 | ARM_COMPUTE_ERROR_ON(ptr == nullptr); |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 49 | auto *gl_ssbo_name = reinterpret_cast<GLuint *>(ptr); |
| 50 | ARM_COMPUTE_GL_CHECK(glDeleteBuffers(1, gl_ssbo_name)); |
| 51 | delete gl_ssbo_name; |
Michalis Spyrou | 9e9cbaf | 2018-03-15 14:41:34 +0000 | [diff] [blame] | 52 | } |
Georgios Pinitas | 99d4095 | 2018-04-23 16:26:46 +0100 | [diff] [blame] | 53 | |
| 54 | std::unique_ptr<IMemoryRegion> GCBufferAllocator::make_region(size_t size, size_t alignment) |
| 55 | { |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 56 | ARM_COMPUTE_UNUSED(alignment); |
Georgios Pinitas | 40f51a6 | 2020-11-21 03:04:18 +0000 | [diff] [blame] | 57 | return std::make_unique<GCBufferMemoryRegion>(size); |
Georgios Pinitas | 99d4095 | 2018-04-23 16:26:46 +0100 | [diff] [blame] | 58 | } |
Georgios Pinitas | ceff0f9 | 2018-03-19 19:57:01 +0000 | [diff] [blame] | 59 | } // namespace arm_compute |