Supports cube map images in scene-loader

[platform/core/uifw/dali-toolkit.git] / dali-scene-loader / public-api / environment-definition.cpp

diff --git a/dali-scene-loader/public-api/environment-definition.cpp b/dali-scene-loader/public-api/environment-definition.cpp
index 16c8e2c..9b09b65 100644 (file)
--- a/dali-scene-loader/public-api/environment-definition.cpp
+++ b/dali-scene-loader/public-api/environment-definition.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,37 +15,63 @@
  *
  */
 
+// EXTERNAL INCLUDES
+#include <dali/devel-api/adaptor-framework/environment-variable.h>
+#include <dali/devel-api/adaptor-framework/image-loading.h>
+
 // INTERNAL INCLUDES
 #include "dali-scene-loader/public-api/environment-definition.h"
 #include "dali-scene-loader/public-api/utils.h"
+#include "dali-scene-loader/public-api/cube-map-loader.h"
+
+namespace
+{
+#define TOKEN_STRING(x) #x
+std::string GetDaliImagePath()
+{
+  return (nullptr == DALI_IMAGE_DIR) ? Dali::EnvironmentVariable::GetEnvironmentVariable(TOKEN_STRING(DALI_IMAGE_DIR)) : DALI_IMAGE_DIR;
+}
+} // unnamed namespace
 
 namespace Dali
 {
 namespace SceneLoader
 {
+namespace
+{
+const std::string PRE_COMPUTED_BRDF_TEXTURE_FILE_NAME = "brdfLUT.png";
+}
 
 EnvironmentDefinition::RawData
-  EnvironmentDefinition::LoadRaw(const std::string& environmentsPath) const
+EnvironmentDefinition::LoadRaw(const std::string& environmentsPath) const
 {
   RawData raw;
-  auto loadFn = [&environmentsPath](const std::string& path, CubeData& cd) {
-    if (path.empty())
+  auto    loadFn = [&environmentsPath](const std::string& path, CubeData& cd) {
+    if(path.empty())
     {
       cd.data.resize(6);
-      for (auto& face : cd.data)
+      for(auto& face : cd.data)
       {
-        face.push_back(PixelData::New(new uint8_t[3]{ 0xff, 0xff, 0xff }, 3, 1, 1, Pixel::RGB888, PixelData::DELETE_ARRAY));
+        face.push_back(PixelData::New(new uint8_t[3]{0xff, 0xff, 0xff}, 3, 1, 1, Pixel::RGB888, PixelData::DELETE_ARRAY));
       }
     }
     else if(!LoadCubeMapData(environmentsPath + path, cd))
     {
-      ExceptionFlinger(ASSERT_LOCATION) << "Failed to load cubemap texture from '" <<
-        path << "'.";
+      ExceptionFlinger(ASSERT_LOCATION) << "Failed to load cubemap texture from '" << path << "'.";
     }
   };
 
   loadFn(mDiffuseMapPath, raw.mDiffuse);
   loadFn(mSpecularMapPath, raw.mSpecular);
+
+  if(mUseBrdfTexture)
+  {
+    Devel::PixelBuffer pixelBuffer = LoadImageFromFile(GetDaliImagePath() + PRE_COMPUTED_BRDF_TEXTURE_FILE_NAME);
+    if(pixelBuffer)
+    {
+      raw.mBrdf = Devel::PixelBuffer::Convert(pixelBuffer);
+    }
+  }
   return raw;
 }
 
@@ -54,18 +80,24 @@ EnvironmentDefinition::Textures EnvironmentDefinition::Load(RawData&& raw) const
   Textures textures;
 
   // This texture should have 6 faces and only one mipmap
-  if (!raw.mDiffuse.data.empty())
+  if(!raw.mDiffuse.data.empty())
   {
     textures.mDiffuse = raw.mDiffuse.CreateTexture();
   }
 
   // This texture should have 6 faces and 6 mipmaps
-  if (!raw.mSpecular.data.empty())
+  if(!raw.mSpecular.data.empty())
   {
     textures.mSpecular = raw.mSpecular.CreateTexture();
   }
+
+  if(raw.mBrdf)
+  {
+    textures.mBrdf = Texture::New(TextureType::TEXTURE_2D, raw.mBrdf.GetPixelFormat(), raw.mBrdf.GetWidth(), raw.mBrdf.GetHeight());
+    textures.mBrdf.Upload(raw.mBrdf);
+  }
   return textures;
 }
 
-}
-}
+} // namespace SceneLoader
+} // namespace Dali