dali/internal/graphics/gles-impl/gles3-graphics-memory.cpp

   1 /*
   2  * Copyright (c) 2024 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include "gles3-graphics-memory.h"
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/integration-api/gl-abstraction.h>
  23 #include <dali/integration-api/gl-defines.h>
  24
  25 // INTERNAL INCLUDES
  26 #include <dali/internal/graphics/common/graphics-interface.h>
  27 #include "egl-graphics-controller.h"
  28
  29 namespace Dali::Graphics::GLES
  30 {
  31 Memory3::Memory3(const Graphics::MapBufferInfo& mapInfo, EglGraphicsController& controller)
  32 : mController(controller)
  33 {
  34   mMapBufferInfo = mapInfo;
  35   mMapObjectType = MapObjectType::BUFFER;
  36 }
  37
  38 Memory3::Memory3(const Graphics::MapTextureInfo& mapInfo, EglGraphicsController& controller)
  39 : mController(controller)
  40 {
  41   mMapTextureInfo = mapInfo;
  42   mMapObjectType  = MapObjectType::TEXTURE;
  43 }
  44
  45 Memory3::~Memory3()
  46 {
  47   Unlock(true);
  48 }
  49
  50 void* Memory3::LockRegion(uint32_t offset, uint32_t size)
  51 {
  52   if(auto gl = mController.GetGL())
  53   {
  54     if(mMapObjectType == MapObjectType::BUFFER)
  55     {
  56       auto buffer = static_cast<GLES::Buffer*>(mMapBufferInfo.buffer);
  57
  58       if(buffer->IsCPUAllocated())
  59       {
  60         using Ptr      = char*;
  61         mMappedPointer = Ptr(buffer->GetCPUAllocatedAddress()) + offset;
  62       }
  63       else
  64       {
  65         gl->BindBuffer(GL_COPY_WRITE_BUFFER, buffer->GetGLBuffer());
  66         void* ptr      = nullptr;
  67         ptr            = gl->MapBufferRange(GL_COPY_WRITE_BUFFER, GLintptr(mMapBufferInfo.offset), GLsizeiptr(mMapBufferInfo.size), GL_MAP_WRITE_BIT);
  68         mMappedPointer = ptr;
  69       }
  70       return mMappedPointer;
  71     }
  72   }
  73   return nullptr;
  74 }
  75
  76 void Memory3::Unlock(bool flush)
  77 {
  78   if(auto gl = mController.GetGL())
  79   {
  80     if(mMapObjectType == MapObjectType::BUFFER && mMappedPointer)
  81     {
  82       auto buffer = static_cast<GLES::Buffer*>(mMapBufferInfo.buffer);
  83       if(!buffer->IsCPUAllocated())
  84       {
  85         gl->BindBuffer(GL_COPY_WRITE_BUFFER, buffer->GetGLBuffer());
  86         gl->UnmapBuffer(GL_COPY_WRITE_BUFFER);
  87       }
  88     }
  89
  90     if(flush)
  91     {
  92       Flush();
  93     }
  94
  95     mMappedPointer = nullptr;
  96   }
  97 }
  98
  99 void Memory3::Flush()
 100 {
 101   // TODO:
 102 }
 103
 104 } // namespace Dali::Graphics::GLES