From df3103622b7de05f4e35b22a2c94b4a46eab4efc Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Wed, 14 Nov 2018 13:16:56 +0000 Subject: COMPMID-1088: Use IMemoryRegion in interfaces where possible -Simplifies import memory interface -Changes the used of void** handles with appropriate interfaces. Change-Id: I5918c855c11f46352058864623336b352162a4b7 --- src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp | 96 +++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp (limited to 'src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp') diff --git a/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp b/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp new file mode 100644 index 0000000000..45fd6e8944 --- /dev/null +++ b/src/runtime/GLES_COMPUTE/GCMemoryRegion.cpp @@ -0,0 +1,96 @@ +/* + * Copyright (c) 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. + */ +#include "arm_compute/runtime/GLES_COMPUTE/GCMemoryRegion.h" + +#include "arm_compute/core/Error.h" + +namespace arm_compute +{ +IGCMemoryRegion::IGCMemoryRegion(size_t size) + : IMemoryRegion(size), _mapping(nullptr), _ssbo_name(0) +{ +} + +const GLuint &IGCMemoryRegion::gc_ssbo_name() const +{ + return _ssbo_name; +} + +void *IGCMemoryRegion::buffer() +{ + return _mapping; +} + +void *IGCMemoryRegion::buffer() const +{ + return _mapping; +} + +GCBufferMemoryRegion::GCBufferMemoryRegion(size_t size) + : IGCMemoryRegion(size) +{ + ARM_COMPUTE_GL_CHECK(glGenBuffers(1, &_ssbo_name)); + ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, _ssbo_name)); + ARM_COMPUTE_GL_CHECK(glBufferData(GL_SHADER_STORAGE_BUFFER, static_cast(size), nullptr, GL_STATIC_DRAW)); + ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0)); +} + +GCBufferMemoryRegion::~GCBufferMemoryRegion() +{ + ARM_COMPUTE_GL_CHECK(glDeleteBuffers(1, &_ssbo_name)); +} + +void *GCBufferMemoryRegion::ptr() +{ + return nullptr; +} + +void *GCBufferMemoryRegion::map(bool blocking) +{ + ARM_COMPUTE_ERROR_ON(_mapping != nullptr); + ARM_COMPUTE_UNUSED(blocking); + + ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, _ssbo_name)); + void *p = ARM_COMPUTE_GL_CHECK(glMapBufferRange(GL_SHADER_STORAGE_BUFFER, 0, static_cast(size()), GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)); + _mapping = reinterpret_cast(p); + + return _mapping; +} + +void GCBufferMemoryRegion::unmap() +{ + ARM_COMPUTE_ERROR_ON(_mapping == nullptr); + + ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, _ssbo_name)); + ARM_COMPUTE_GL_CHECK(glUnmapBuffer(GL_SHADER_STORAGE_BUFFER)); + ARM_COMPUTE_GL_CHECK(glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0)); + _mapping = nullptr; +} + +std::unique_ptr GCBufferMemoryRegion::extract_subregion(size_t offset, size_t size) +{ + ARM_COMPUTE_UNUSED(offset, size); + return nullptr; +} +} // namespace arm_compute \ No newline at end of file -- cgit v1.2.1