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 "egl-graphics-controller.h"
28 namespace Dali::Graphics::GLES
30 Memory3::Memory3(const Graphics::MapBufferInfo& mapInfo, EglGraphicsController& controller)
31 : mController(controller)
33 mMapBufferInfo = mapInfo;
34 mMapObjectType = MapObjectType::BUFFER;
37 Memory3::Memory3(const Graphics::MapTextureInfo& mapInfo, EglGraphicsController& controller)
38 : mController(controller)
40 mMapTextureInfo = mapInfo;
41 mMapObjectType = MapObjectType::TEXTURE;
49 void* Memory3::LockRegion(uint32_t offset, uint32_t size)
51 auto gl = mController.GetGL();
53 if(mMapObjectType == MapObjectType::BUFFER)
55 auto buffer = static_cast<GLES::Buffer*>(mMapBufferInfo.buffer);
57 if(buffer->IsCPUAllocated())
60 return Ptr(buffer->GetCPUAllocatedAddress()) + offset;
64 // @TODO: trashing vertex binding, better find target that is rarely used
65 buffer->Bind(Graphics::BufferUsage::VERTEX_BUFFER);
67 ptr = gl->MapBufferRange(GL_ARRAY_BUFFER, mMapBufferInfo.offset, mMapBufferInfo.size, GL_MAP_WRITE_BIT);
70 return mMappedPointer;
76 void Memory3::Unlock(bool flush)
78 auto gl = mController.GetGL();
80 if(mMapObjectType == MapObjectType::BUFFER && mMappedPointer)
82 auto buffer = static_cast<GLES::Buffer*>(mMapBufferInfo.buffer);
83 if(!buffer->IsCPUAllocated())
85 buffer->Bind(Graphics::BufferUsage::VERTEX_BUFFER);
86 gl->UnmapBuffer(GL_ARRAY_BUFFER);
101 } // namespace Dali::Graphics::GLES