2 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "gles3-graphics-memory.h"
22 #include <dali/integration-api/gl-abstraction.h>
23 #include <dali/integration-api/gl-defines.h>
26 #include <dali/internal/graphics/common/graphics-interface.h>
27 #include "egl-graphics-controller.h"
29 namespace Dali::Graphics::GLES
31 Memory3::Memory3(const Graphics::MapBufferInfo& mapInfo, EglGraphicsController& controller)
32 : mController(controller)
34 mMapBufferInfo = mapInfo;
35 mMapObjectType = MapObjectType::BUFFER;
38 Memory3::Memory3(const Graphics::MapTextureInfo& mapInfo, EglGraphicsController& controller)
39 : mController(controller)
41 mMapTextureInfo = mapInfo;
42 mMapObjectType = MapObjectType::TEXTURE;
50 void* Memory3::LockRegion(uint32_t offset, uint32_t size)
52 auto gl = mController.GetGL();
54 if(mMapObjectType == MapObjectType::BUFFER)
56 auto buffer = static_cast<GLES::Buffer*>(mMapBufferInfo.buffer);
58 if(buffer->IsCPUAllocated())
61 mMappedPointer = Ptr(buffer->GetCPUAllocatedAddress()) + offset;
65 // @TODO: trashing vertex binding, better find target that is rarely used
66 buffer->Bind(Graphics::BufferUsage::VERTEX_BUFFER);
68 ptr = gl->MapBufferRange(GL_ARRAY_BUFFER, GLintptr(mMapBufferInfo.offset), GLsizeiptr(mMapBufferInfo.size), GL_MAP_WRITE_BIT);
71 return mMappedPointer;
77 void Memory3::Unlock(bool flush)
79 auto gl = mController.GetGL();
81 if(mMapObjectType == MapObjectType::BUFFER && mMappedPointer)
83 auto buffer = static_cast<GLES::Buffer*>(mMapBufferInfo.buffer);
84 if(!buffer->IsCPUAllocated())
86 buffer->Bind(Graphics::BufferUsage::VERTEX_BUFFER);
87 gl->UnmapBuffer(GL_ARRAY_BUFFER);
96 mMappedPointer = nullptr;
104 } // namespace Dali::Graphics::GLES